Surface Water Supply 

of the United Stares 

1947

Part 12. Pacific Slope Basins in Washington 

and Upper Columbia River Basin

Prepared under the direction of C. G. PAULSEN, Chief Hydraulic Engineer 

GEOLOGICAL SURVEY WATER-SUPPLY PAPER 1092

Prepared in cooperation with the States 

of Idaho, Montana, and Washington and 

other agencies

SMs copy is PUBLIP PROPFRTV . ,

*>* r^oved fvj . THl/rtfl | Y and ig net tb

POSSES- »,' ";;, ^official files. PR ,VATE

Sec!" ?^ U '^^FUL (R. S. Sup, Vol. 2, pp. 380,

UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1950
UNITED STATES DEPARTMENT OF THE INTERIOR 

Oscar L. Chapman, Secretary

GEOLOGICAL SURVEY 

W. E. Wrather, Director

For sale by the Superintendent of Documents, U. S. Government Printing Office 

Washington 25, U. C.
PREFACE

This report was prepared by the Geological Survey in cooperation 

with the States of Idaho, Montana, and Washington and other 

agencies by personnel of the Water Resources Division under the 

direction of:

C. G. Paulsen____________________Chief Hydraulic Engineer 

J. V. B. Wells__________________Chief, Surface Water Branch 

B. J. Peterson_________________Chief, Annual Reports Section

District Engineers (Surface Water)

T. R. Newell__________________________.__Boise, Idaho 

A. H. Tuttle_____________________________Helena, Mont. 

F. M. Veatch___________________________Tacoma, Wash.
CONTENTS

Page

Scope of work........................................................................ 1

Definition of terms.................................................................. 1

Explanation of data.................................................................. 2

Accuracy of field data and computed results.......................................... 5

Publications......................................................................... £>

Records of discharge collected by agencies other than the Geological Survey.......... 11

Cooperation.......................................................................... 12

Division of work..................................................................... 12

Gaging-station records...................... ........................................ 13

Pacific slope basins north of Columbia River....................................... 13

Naselle River Basin.............................................................. 13

Naselle River near Naselle, Wash............................................... 13

Nemah River Basin................................................................ 14

North Nemah River near South Bend, Wash........................................ 14

North River Basin................................... ............................ 16

North River near Raymond, Wash................................................. 16

Little North River near Cosmopolis, Wash....................................... 17

Newskah Creek Basin.............................................................. 19

Newskah Creek near Aberdeen, Wash.............................................. 19

Charlies 'Creek Basin............................................................. 21

Charlies Creek near Aberdeen, Wash............................................. 21

Chehalis River Basin............................................................. 23

Chehalis River near Doty, Wash................................................. 23

Chenalis River near Grand Mound, Wash.......................................... 24

Chehalis River at South Elma, Wash............................................. 25

Elk Creek near Doty, Wash...................................................... 26

South Fork Chehalis River at Boistfort, Wash................................... 27

Newaukum River near Onalaska, Wash............................................. 28

Newaukum River near Chehalis, Wash............................................. 29

Skookumchuck River near Centralia, Wash........................................ 30

Lincoln Creek near Rochester, Wash............................................. 31

Black River at Little Rock, Wash............................................... 32

Rock Creek at Cedarville, Wash................................................. 33

Porter Creek at Porter, Wash................................................... 34

Cloquallum River at Elma, Wash........................................ , ........ 35

Satsop River near Satsop, Wash................................................. 36

East Pork Satsop River near Matlock, Wash...................................... 37

Bingham Creek near Matlock, Wash............................................... 39

Wynoochee River at Oxbow, near Aberdeen, Wash.................................. 40

Wynoochee River below Black Creek, near Montesano, Wash........................ 41

Humptulips River Basin........................................................... 42

Huenptulips River near Humptulips, Wash......................................... 42

Quinault River Basin..................................................... I....... 43

Quinault River at Quinault Lake, Wash.......................................... 43

Queets River Basin............................................................... 44

Queets River near Clearwater, Wash............................................. 44

Clearwater River neap Clearwater, Wash......................................... 45

Hoh River Basin.................................................................. 46

Hoh River near Spruce, Wash.................................................... 46

Quillayute River Basin........................................................... 47

Soleduck River near Pairholm, Wash............................................. 47

Elwha River Basin................................................................ 48

Elwha River at McDonald Bridge, near Port Angeles, Wash........................ 48

Dungeness River Basin............................................................ 49

Dungeness River near Sequim, Wash.......................... i................... 49

Dosewallips River Basin.......................................................... 50

Dosewallips River nsar Brinnon, Wash........................................... 50

Duckabush River Basin............................................................ 51

Duckabush River near Brinnon, Wash............................................. 51

Skokomish River Basin............................................................ 52

North Fork Skokomish River below Staircase Rapids, near Hoodsport, Wash........ 52

North Fork Skokomish River near Potlatch, Wash................................. 53

Skokomish River near Potlatch, Wash............................................ 54

South Fork Skokomish River near Potlatch, Wash................................. 55

South Fork Skokomish River near Union, Wash.................................... 56

Union River Basin................................................................ 57

Union River near Bremerton, Wash............................................... 57

Union River near Belfair, Wash................................................. 58

Mission Creek Basin.............................................................. 59

Mission Lake near Bremerton, Wash.............................................. 59

Mission Creek near Bremerton, Wash............................................. 60

Mission Creek near Belfair, Wash............................................... 61

Tahuya River Basin............................................................... 62

Tahuya River near Bremerton, Wash.............................................. 62

Tahuya River near Bel fair, Wash................................................ 63

Tahuya River near Tahuya, Wash................................................. 64

Gold Creek near Bremerton,>Wash................................................ 65

Panther Lake near Bremerton^Jfash.............................................. G6

Panther Creek near Bremerton, Wash............................................. 67
VI CONTENTS

Gaging-station records--Continued.

Pacific slope basins north of Columbia River--Continued. Page

Dewatto Creek Basin............................................................. 67

Dewatto Creek near Dewatto, Wash.............................................. 67

Anderson Creek Basin. ...................... t .................................... 67

Anderson Creek near Holley, Wash.............................................. 67

Stavis Creek Basin.............................................................. 67

Stavia Creek near Seabeck, Wash............................................... 67

Dogfish Creek Basin............................................................. 68

Dogfish Creek near Poulsbo, Wash.............................................. 68

Clear Creek Basin............................................................... 68

Clear Creek near Silverdale, Wash. ............................................. 68

Chico Creek Basin............................................................... 68

Kitsap Lake near Bremerton, Wash.............................................. 68

Chico Creek near Bremerton, Wash.............................................. 69

Wildcat Lake near Bremerton, Wash............................................. 69

Blackjack Creek Basin........................................................... 70

Blackjack Creek at Port Orchard, Wash......................................... 70

Burley Creek Basin.............................................................. 70

Burley Creek at Burley, Wash.................................................. 70

Minter Creek Basin.............................................................. 70

Huge Creek near Wauna, Wash................................................... 70

Deschutes River Basin........................................................... 71

Deschutes River near Olympia, Wash............................................ 71

Nisqually River Basin........................................................... 72

Nisqually River near National, Wash........................................... 72

Alder Reservoir at Alder, Wash................................................ 73

Nisqually River at La Grande, Wash............................................ 74

Nisqually River near McKenna, Wash............................................. 75

Mineral Creek near Mineral, Wash.............................................. 76

Mashel River near- La Grande, Wash............................................. 77

Ohop Creek near Eatonville, Wash.............................................. 78

Tanwax Creek near McKenna, Wash............................................... 79

Chambers Creek Basin............................................................ 80

Chambers Creek below Leach Creek, near Steilacoom, Wash....................... 80

Puyallup River Basin............................................................ 81

Puyallup River near Electron, Wash............................................ 81

Puyallup River at Electron, Wash.............................................. 82

Puyallup River near Orting, Wash.............................................. 83

Puyallup River at Alderton, Wash.............................................. 84

Puyallup River at Puyallup, Wash.............................................. 85

Kapowsin Creek near Kapowsin, Wash............................................ 86

Carbon River near Fairfax, Wash............................................... 87

White River at Greenwater, Wash............................................... 88

Mud Mountain Reservoir near Buckley, Wash..................................... 89

White River near Buckley, Wash................................................ 90

Stuck River near Sumner, Wash................................................. 91

Greenwater River at Greenwater, Wash.......................................... 92

Clark Creek at Puyallup, Wash................................................. 93

Duwamish River Basin............................................................ 94

Green River near Lester, Wash................................................. 94

Green River near Palmer, Wash................................................. 95

Green River near Black Diamond, Wash.......................................... 96

Green River near Auburn, Wash................................................. 97

Snow Creek near Lester, Wash.................................................. 98

Friday Creek near Lester, Wash................................................ 99

Smay Creek near Lester, Wash.................................................. 100

Charley Creek near Eagle Gorge, Wash.......................................... 101

Bear Creek near Eagle Gorge, Wash............................................. 102

Newaukum Creek near Black Diamond, Wash....................................... 103

Big Soos Creek near Auburn, Wash.............................................. 104

Lake Washington Basin,.......................................................... 105

North Fork Cedar Hiver near Lester, Wash...................................... 105

Cedar River below Bear Creek, near Cedar Falls, Wash.......................... 106

Cedar Hiver near Cedar Falls, Wash............................................ 107

Cedar Hiver at Cedar Falls, Wash.............................................. 108

Cedar River near Landsberg, Wash.............................................. 109

Cedar River at Renton, Wash 110

South Fork Cedar River near Lester, Wash...................................... Ill

Rex River near Cedar Falls, Wash.............................................. 112

Rock Creek near Landsberg, Wash............................................... 113

Hock Creek near Maple Valley, Wash............................................ 114

May Creek near Renton, Wash................................................... 115

Issaquah Creek near Issaquah, Wash............................................ 116

Sammamish Lake near Redmond, Wash............................................. 118

Sammamish River near Redmond, Wash............................................ 119

Sammamish River at Bothell, Wash.............................................. 120

Bear Creek near Hedmond, Wash................................................. 121

Bear Creek at Redmond, Wash................................................... 122

North Creek near Bothell, Wash................................................ 123

McAleer Creek near Bothell, Wash.............................................. 124

Snohomish River Basin........................................................... 125

South Fork Skykomish River near Skyko.-nish, Wash............................... 125

South Fork Skykomish River near Index, Wash................................... 126

Skykomish River near Gold Bar, Wash........................................... 127

Snohomish River at Snohomish, Wash............................................ 128
CONTENTS VII

Caging-station records--Continued.

Pacific slope basins north of Columbia River Continued.

Snohomish River Basin Continued. Page

Beckler River near Skykomish, Wash............................................. 129

North Pork Skykomish River at Index, Wash...................................... 130

Wallace River at Gold Bar, Wash................................................ 131

Olney Creek near Go Id Bar, Wash................................................ 132

May Creek near Gold Bar, Wash.................................................. 133

Sultan River near Startup, Wash................................................ 134

McCoy Creek near Sultan, Wash.................................................. 135

Woods Creek near Munroe, Wash.................................................. 136

Roesiger Creek near Machias, Wash.............................................. 137

Snoqualmie River near Tolt, Wash............................................... 138

North Pork Snoqualmie River near Snoqaalmie Palls, Wash........................ 139

South Pork Snoqualmie River at North Bend, Wash................................ 140

Raging River near Pall City, Wash.............................................. 141

Patterson Creek near Pall City, Wash........................................... 142

Griffin Creek near Tolt, Wash.................................................. 143

Tolt River near Tolt, Wash..................................................... 144

Cherry Creek near Duvall, Wash................................................. 14b

Pilchuck River near Granite Palls, Wash........................................ 146

Little Pilchuck Creek near Lake Stevens, Wash.................................. 147

Lake Stevens at Lake Stevens, Wash............................................. 148

Stevens Creek at Lake Stevens, Wash............................................ 149

Dubuque Creek near Lake Stevens, Wash.......................................... 150

Wood Creek near Everett, Wash.................................................. 151

Quilceda Creek near Marysvllle, Wash........................................... 152

Stillaguamish River Basin........................................................ 153

South Pork Stillaguamish River near Granite Palls, Wash........................ 153

South Pork Stillaguamish River above Jim Creek, near Arlington, Wash........... 164

Jim Creek near Arlington, Wash. ........ f ....................................... 155

North Pork Stillaguamish River near Arlington, Wash............................ 157

Skagit River Basin............................................................... 158

Skagit River near Hope, British Columbia....................................... 158

Ross Reservoir near Newhalem, Wash............................................. 159

Skagit River at Newhale.n, Wash................................................. 160

Skagit River at Marblemount, Wash.............................................. 161

Skagit River near Concrete, Wash............................................... 163

Skagit River near Mount Vernon, Wash........................................... 164

Reservoirs in Skagit River Basin, Wash......................................... 165

Lightning Creek near Newhalem, Wash............................................ 166

Beaver Creek near Newhalem, Wash............................................... 167

Ruby Creek near Newhalem, Wash................................................. 168

Granite Creek near Newhalem, Wash.............................................. 169

Thunder Creek near Newhalem, Wash.............................................. 170

Stetattle Creek near Newhalem, Wash............................................ 171

Bacon Creek near Marblemount, Wash............................................. 172

Cascade River at Marblemount, Wash............................................. 173

Jordan Creek at Marblemount, Wash..................... ........................ 174

Sauk River above Whitechuck River, near Darrington, Wash....................... 175

Sauk River near Sauk, Wash..................................................... 176

Suiattle River near Mansford, Wash............................................. 177

Jackman Creek near Concrete, Wash.............................................. 178

Baker River at Concrete, Wash.................................................. 179

Finney Creek near Concrete, Wash............................................... 180

Alder Creek near Hamilton, Wash. ..... .^......................................... 181

Day Creek near Lyman, Wash..................................................... 182

East Pork Nookachamps Creek near Clear Lake, Wash.............................. 183

Samish River Basin............................................................... 184

Sa-nish River near Burlington, Wash. ............................................ 184

Friday Creek near Burlington, Wash............................................. 185

Whatcom Creek Basin.............................................................. 186

Whatcom Creek below hatchery, near Bellingham, Wash............................ 186

Nooksack River Basin............................................................. 187

Nooksack River above Cascade Creek, near Glacier, Wash......................... 187

Nooksack River at Deming, Wash................................................. 189

Nooksack River near Lynden, Wash............................................... 190

South Pork Nooksack River near Wickersham, Wash................................ 191

Upper Columbia River Basin......................................................... 192

Columbia River main stem......................................................... 192

Columbia River at Birchbank, British Columbia.................................. 192

Columbia River at international boundary....................................... 193

Franklin D. Roosevelt Lake at Grand Coulee Dam, Wash........................... 194

Columbia River at Grand Coulee Dam, Wash....................................... 195

Columbia River at Trinidad, Wash............................................... 196

Kootenai River Basin............................................................. 197

Kootenay River at Newgate, British Columbia.................................... 197

Kootenai River at Libby, Mont.................................................. 198

Kootenai River at Leonia, Idaho................................................ 199

Kootenai River at Boom Camp, near Bonners Ferry, Idaho......................... 200

Kootenai River at Bonners Perry, Idaho......................................... 201

Kootenai River near Bonners Ferry, Idaho....................................... 203

Kootenai River at Klockmann Ranch, near Bonners Perry, Idaho................... 204

Kootenai River near Copeland, Idaho ............................................ 206

Kootenai River at Porthill, Idaho.............................................. 207

Kootenay Lake at Kuskonook, British Columbia................................... 209

Fortine Creek near Trego, Mont................................................. 210
VIII CONTENTS

Gaging-station records Continued.

Upper Columbia River Basin--Continued.

Kootenai River Basin--Continued. Page

Lake Creek at Troy, Mont....................................................... 211

Boulder Creek near Leonia, Idaho............................................... 212

Moyie River at Eastport, Idaho................................................. 213

Moyie River at Eileen, Idaho................................................... 214

Deep Creek at Moravia, Idaho................................................... 215

Long Canyon Creek near Porthill, Idaho......................................... 216

Smith Creek near Porthill, Idaho............................................... 217

Boundary Creek near Porthill, Idaho............................................ 218

Pend Oreille River Basin......................................................... 219

Clark Fork above Missoula, Mont................................................ 219

Clark Fork below Missoula, Mont................................................ 220

Clark Fork at Tarkio, Mont..................................................... 221

Clark Fork at St. Regis, Mont.................................................. 222

Clark Fork near Plains, Mont................................................... 223

Clark Fork near Heron, Mont.................................................... 224

Pend Oreille Lake at Hope, Idaho............................................... 225

Pend Oreille River below Z Canyon, near Metaline Falls, Wash................... 226

Smaller reservoirs in Pend Oreille River Basin, Mont........................... 227

Flint Creek near Southern Cross, Mont.......................................... 228

Flint Creek at Maxville, Mont.................................................. 229

Flint Creek near Maxville, Mont................................................ 230

Trout Creek above main 3anal, near Philipsburg, Mont........................... 231

Trout Creek near Southern Cross, Mont.......................................... 232

Boulder Creek at Maxville, Mont................................................ 233

Middle Fork Rook Creek near Philipsburg, Mont.................................. 234

Blackfoot River near Helmville, Mont........................................... 235

Blackfoot R iver near Ovando, Mont.............................................. 236

Blackfoot R iver near Bonner, Mont............................................... 237

Nevada Creek above reservoir, near Finn, Mont.................................. 238

Nevada Creek near Helmville, Mont.............................................. 239

Douglas Creel: near Helmville, Mont............................................. 240

West Fork Bitterroot River near Conner, Mont................................... 241

Bitterroot River near Darby, Mont.............................................. 242

East Fork Bitterroot River at Conner, Mont..................................... 243

Rook Creek near Darby, Mont.................................................... 244

Blodgett Creek near Corvallis, Mont............................................ 245

Fred Burr Creek near Victor, Mont.............................................. 246

Bear Creek near Victor, Mont................................................... 247

Burnt Fork Creek near Stevensville, Mont....................................... 248

Flathead River at Flathead, British Columbia................................... 249

Flathsad River near Columbia Falls, Mont....................................... 2bO

Flathead River at Columbia Falls, Mont......................................... 251

Plathead Lake at Somers, Mont.................................................. 252

Flathead River near Poison, Mont............................................... 253

Middle Fork Flathead River at Essex, Mont...................................... 254

Middle Fork Flathead River at Belton, Mont..................................... 255

Middle Fork Flathead River near Belton, Mont................................... 256

Bear Creek near Essex, Mont.................................................... 257

Skyland Creek near Essex, Mont................................................. 258

South Fork Flathead River near Columbia Falls, Mont............................. 259

Stillwater River near Whitefish, Mont.......................................... 260

Logan Creek at Tally Lake, near Whitefish, Mont................................ 261

Whitefish Creek near Kalispell, Mont ... ^ ...................................... 262

Ashley Creek near Kalispell, Mont.............................................. 263

Swan River near Big Fork, Mont................................................. 264

Priest Lake at outlet, near Coolin, Idaho...................................... 265

Priest River at outlet of Priest Lake, near Coolin, Idaho...................... 266

Priest River near Priest River, Idaho.......................................... 267

Kettle River Basin............................................................... 268

Kettle River near Ferry, Wash.................................................. 268

Kettle River near Laurier, Wash................................................ 269

Myers Creek near Myncaster, British Columbia................................... 270

Colville River Basin............................................................. 271

Colville River at Kettle Falls, Wash........................................... 271

Mill Creek near Colville, Wash................................................. 272

Spokane River Basin.............................................................. 273

Coeur d'Alene near Priohard, Idaho............................................. 273

Coeur d 1 Alene River at Enaville, Idaho......................................... 274

Coeur d'Alene River near Cataldo, Idaho........................................ 275

Coeur d'Alene Lake at Coeur d'Alene, Idaho..................................... 276

Spokane River at Post Palls, Idaho............................................. 277

Spokane River at Spokane, Wash................................................. 278

Spokane River at Long Lake, Wash............................................... 279

St. Joe River at Calder, Idaho................................................. 280

St. Maries River at Lotus, Idaho............................................... 281

Hayden Creek near Hayden Lake, Idaho........................................... 282

Hayden Lake at Hayden Lake, Idaho.............................................. 283

Hayden Lake Irrigation District diversion near Hayden Lake, Idaho,............. 284

Rathdrum Prairie Canal at Huetter, Idaho. .......1 .............................. 285

Spokane Valley Farms Co.'s canal at Post Falls, Idaho.......................... 286

Little Spokane River at Dartford, Wash......................................... 287

Okanogan River Basin............................................................. 288

Okanagan River at Okanagan Falls, British Columbia............................. 288

Osoyoos Lake near Oroville, Wash............................................... 289

Okanogan River at Oroville, Wash............................................... 290
CONTENTS IX

Gaging-station records Continued.

Upper Columbia River Basin--Continued.

Okanogan River Basin Continued. Page

Okanogan River near Tonasket, Wash............................................ 291

Similkameen River near Nighthawk, Wash........................................ 292

Methow River Basin.............................................................. 293

Methow River at Twisp, Wash................................................... 293

Chelan River Basin.............................................................. 294

Stehekin River at Stehekin, Wash.............................................. 294

Lake Chelan at Chelan, Wash................................................... 295

Chelan River at Chelan, Wash.................................................. 296

Railroad Creek at Lucerne, Wash............................................... 297

Pine Canyon Creek Basin......................................................... 298

Pine Canyon Creek near Waterville, Wash....................................... 298

Wenatchee River Basin........................................................... 299

Wenatchee Lake near Plain, Wash............................................... 299

Wenatchee River below Wenatchee Lake, Wash.................................... 300

Wenatchee River at Plain, Wash................................................ 301

Wenatchee River at Peshastin, Wash............................................ 302

Chiwawa River near Plain, Wash................................................ 303

Icicle Creek above Snow Creek, near Leavenworth, Wash......................... 304

Crab Creek Basin................................................................ 305

Crab Creek at Irby, Wash...................................................... 305

Crab Creek near Moses Lake, Wash.............................................. 306

Moses Lake at Moses Lake, Wash................................................ 307

Crab Creek near Warden, Wash.................................................. 308

Crab Creek near Smyrna, Wash.................................................. 309

Park Lake near Coulee City, Wash.............................................. 310

Park Creek below Park Lake, near Coulee City, Wash............................ 311

Blue Lake near Coulee City, Wash.............................................. 312

Lenore Lake near Soap Lake, Wash.............................................. 312

Soap Lake near Soap Lake, Wash................................................ 312

Rocky Ford Creek near Ephrata , Wash........................................... 313

Yakima River Basin.............................................................. 314

Yakima River near Martin, Wash................................................ 314

Yakima River at Cle Elum, Wash................................................ 315

Yakima River at Umtanum, Wash................. ............................... 316

Yakima River near Parker, Wash.................................... ........... 317

Yakima River at Kiona, Wash................................................... 318

Reservoirs in Yakima River Basin.............................................. 319

Kachess River near Easton, Wash............................................... 321

Cle Elum River near Roslyn, Wash.............................................. 322

Teanaway River near Cle Elum, Wash............................................ 323

Naches River below Tieton River, near Naches, Wash............................ 324

Bumping River near Nile, Wash... ............................................. 325

American'River near Nile, Wash................................................ 326

Tieton River at Tieton Dam, near Naches, Wash................................. 327

Tieton River at headworks of Tieton Canal, near Naches, Wash.................. 328

North Fork Ahtanum Creek near Tampico, Wash................................... 329

South Fork Ahtanum Creek at Conrad Ranch, near Tampico, Wash.................. 330

Miscellaneous discharge measurements ................................................ 331

Index............................................................................... 343

ILLUSTRATION

Page 

Figure 1. Columbia River at Trinidad, Wash.; A, Recording gage shelter and stilling

well; B, East cable tower............................................... 3
SURFACE WATER SUPPLY OF PACIFIC SLOPE BASINS IN WASHINGTON AND UPPER COLUMBIA RIVER

BASINS, 1947

SCOPE OF WORK

This volume Is one of a series of 14 reports presenting results of measurements of 

stage and flow made on streams, lakes, and reservoirs in the United States during the 

water year ending September 30, 1947. The work was begun in 1888 in connection with 

special studies relating to Irrigation. Measurements of the flow of stream? and of the 

stage and contents of lakes and reservoirs have been made at about 11,100 gsging stations 

in the 48 States and also at many in the Territories of Alaska and Hawaii. In July 1947, 

5,810 gaging stations, including those in Hawaii, were being maintained by the Geological 

Survey and cooperating organizations. Miscellaneous discharge measurements were made 

during the water year at many other points.

In the execution of the work many State and private organizations have ccoperated, 

either by furnishing data or by assisting in collecting data. Cooperation cf the first 

kind is acknowledged in connection with the description of each station affected; cooperation of the second kind is acknowledged, under the heading "Cooperation," in the introductory matter that precedes the gaging-station records in each volume. In the present 

volume, the section on cooperation of the second kind appears on page 12.

DEFINITION OP TERMS

The units in which stream-flow data are presented in this report and other terms used 

herein are defined as follows:

"Second-feet" is an abbreviation for "cubic feet per second." A second-foot is the 

rate of discharge of a stream whose channel is 1 square foot in cross-sectional area and 

whose average velocity is 1 foot per second.

"Second-feet per square mile" is the average number of cubic feet of wate" flowing per 

second from each square mile of area drained, on the assumption that the runoff is distributed uniformly both as regards time and area.

"Runoff in inches" is the depth to which an area would be covered if all the water 

draining from it in a given period were uniformly distributed on its surface. It is used 

for comparing runoff with rainfall, Which is usually expressed in inches.

An "acre-foot" is the quantity of water required to cover an acre to the depth of 

1 foot and is equivalent to 43,560 cubic feet. The term is commonly used in connection 

with storage for irrigation.

"Second-foot-day" Is the volume of water represented by a flow of 1 seconi-foot for 24 

hours. It is equivalent to 86,400 cubic feet, 1.983471 acre-feet, or 646,317 gallons and 

represents a runoff of 0.0372 inch from 1 square mile.

"Stage-discharge relation" is an abbreviation for the term "relation between gage height 

and discharge."

"Control" is a term used to designate a feature downstream from the gage that determines the .stage-discharge relation at the gage. This feature may be a natural section, 

a reach of the channel, or an artificial structure.

1
2 SURFACE WATER SUPPLY, 1947, PART 12

"Contents" is a term applied to the volume of water in a reservoir. It is computed on 

the basis of a level pool and does not include bank storage unless otherwise Indicated.

EXPLANATION OP DATA

The base data collected at gaging stations consist of records of stage, measurements 

of discharge, and general information used to supplement the records of stage and discharge 

measurements in determining the daily flow. The records of stage are obtained either from 

direct readings on a nonrecording gage or from a water-stage recorder that gives a continuous record of the fluctuations. Measurements of discharge are made with a current 

meter by the general methods outlined in standard textbooks on the measurement of river 

discharge. Typical structures in use at gaging stations are shown in figrre 1.

Rating tables giving the discharge for any stage are prepared from the discharge measurements. The application of the daily mean gage height to those rating tables gives the 

daily mean discharge, from which the monthly and the yearly mean discharge are computed. 

If the stage-discharge relation is subject to change because of frequent or continual 

change in the physical features that form the control, the daily mean discharge is determined by the "shifting-control method," in which correction factors based on individual discharge measurements and notes by engineers and observers are used in applying the 

gage heights to the rating tables. At times the stage-discharge relation for a station 

may be temporarily changed by the presence of aquatic growth or debris on the control. 

For such times the daily mean discharge is computed by what is essentially the "shiftingcontrol" method, described above.

At some gaging stations the stage-discharge relation is affected by backwater from 

reservoirs, tributary streams, or other sources, which necessitates the uae of the "slope 

method," in which the slope or fall in a reach of the stream is a factor In the determination of discharge. Information requisite for determining the slope or fall Is obtained 

by means of an auxiliary gage set at some distance from the base gage. At some stations 

the stage-discharge relation is affected by changing stage, and for them the rate of 

change of stage is used as a factor In the determination of discharge.

At most gaging stations In the northern part of the United States and at some in the 

mountainous regions of other parts the stage-discharge relation is affected by Ice during 

the winter, which makes It impossible to compute the discharge in the usuil manner. Discharge for periods of ice effect Is computed on the basis of the gage-height record and 

occasional winter discharge measurements, consideration being given to ths available Information on temperature and precipitation, notes by gage observers and engineers, and 

comparable records of discharge for stations in the same or nearby basins. For those 

stations at which the stage-discharge relation Is affected by ice, the days Included In 

the periods of ice effect either are indicated in the table by symbols referring to a 

footnote that states this fact or are given In a general note following t^e table. The 

days on which discharge measurements were made during or between periods of Ice effect, 

shortly before the first period, or shortly after the last period are similarly indicated 

by a footnote.

For most of the gaging stations on streams in the area covered by this report the data 

presented comprise a description of the station, a table showing the daily discharge of
EXPLANATION OF DATA

B> a

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H 

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O
4 SURFACE WATER SUPPLY, 1947, PART 12

the stream, and a table of monthly and yearly discharge and runoff. Skeleton rating 

tables are published for all stations except those at which the dally discharge for the 

greater part of the year was determined by the shifting-control method, the slope method, 

or other special methods.

The description of the station gives the type of gage, Its latitude and longitude as 

determined from the best available maps, and Information In regard to diversions that 

decrease the flow at the gage, artificial regulation from pondage or storage, and the 

accuracy of the records. Under "Average discharge" Is given the average discharge for the 

number of years Indicated. It is given only for stations for which there are 10 or more 

complete years of record. Under "Extremes" are given the maximum discharge and gage 

height; the minimum discharge If there Is little or no regulation; the minimum dally discharge If there Is exteneive regulation (also the minimum discharge if useful); and the 

minimum gage height (unless It is of no Importance). Unless otherwise qualified, the 

maximum discharge corresponds to the crest stage, obtained by use of a water-stage 

recorder or a nonrecording gage read at the time of the crest. Likewise the minimum discharge represents the lowest stage, unless otherwise qualified. Selected peak discharges 

with the times of their occurrence are given, below the table of monthly discharge, for 

some stations. This supplementary information is generally omitted for a station at which 

the drainage area of the stream Is less than 10 or more than 10,000 square miles or at 

which, on most days, the peak dlecharge exceeds the mean discharge by less than 10 percent

For stations equipped with water-stage recorders, except those on streams subject to 

sudden or rapid fluctuation, the table gives the discharge corresponding to the daily mean 

gage height. For stations subject to such fluctuation the dally mean gage height may not 

indicate the true daily mean discharge, which must be obtained by averaging the discharge 

for parts of the day or by using the discharge Integrator, an Instrument for obtaining the 

daily mean discharge from a continuous gage-height graph and containing as an essential 

element a curve representing the stage-discharge relation at the station. For stations 

equipped with nonrecording gages, the table of dally discharge gives the discharge corresponding to either once-daily readings of the gage, the mean of twice-daily readings, or 

the mean gage height determined from gage-height graphs based on gage readings. For 

periods of rapidly changing stage, the daily mean discharge is determined from gage-height 

graphs based on gage readings, the frequency of which is stated in the station description.

In the table of monthly discharge the column headed "Second-foot-days" gives the sum 

for each month of the figures given in the table of dally discharge. The column headed 

"Maximum" gives the maximum daily discharge, not the momentary discharge when the water 

surface was at crest stage. Likewise, In the column headed "Minimum" the quantity given 

is the minimum daily discharge. The column headed "Mean" gives the average flow in cubic 

feet per second during the month.

For most gaging stations on lakes and reservoirs the data presented comprise a description of the station and a monthly stannary table of stage and contents. For some reservoirs a table showing dally contents is given. A skeleton table of capacity at given 

stages is usually given in the first report In which data for a station are published 

but is omitted from succeeding reports.
SURFACE WATER SUPPLY, 1947, PART 12 5

ACCURACY OP FIELD DATA AND COMPUTED RESULTS

The accuracy of stream-flow data depends primarily on (1) the permanency of the stagedischarge relation or, if the control is unstable, the frequency of discharge measurements 

and (2) the accuracy of observations of stage, measurements of flow, and interpretation of 

records.

The station description gives a statement in regard to the general accurrcy of the 

records. "Excellent" indicates that, in general, the error in the daily records is 

believed to be less than 5 percent; "good," less than 10 percent; "fair," less than 15 percent; and "poor," probably more than 15 percent. The records of monthly anc" yearly mean 

discharge and runoff are, in general, more accurate than the daily records.

Yield at some stations as indicated by monthly means may vary widely froir natural yield, 

owing to diversion, consumption, regulation by storage, increase or decrease in evaporation 

due to artificial causes, or other factors. For such stations figures of "recond-feet per 

square mile" and "runoff in inches" are not published unless storage or diversion records 

are included indicating the extent of the regulation or diversion or unless satisfactory 

adjustments can be made for changes in contents or reservoirs or for other changes incident 

to use and control. Evaporation from a reservoir is not included in the adjustments for 

changes in reservoir contents, unless its inclusion is Indicated. Even at those stations 

where adjustments are made, in some instances large errors in computed yield's may occur 

when relatively large negative adjustments are applied or when evaporation Is large In 

comparison with the observed discharge. Figures of second-feet per square rile and 

runoff in inches are also omitted if the drainage area includes large noncortrlbutlng 

areas or if the average annual rainfall over the drainage area is less than 20 inches.

Many gaging stations on streams in the irrigated areas of the United States are situated above most of the diversions from those streams, and therefore the discharge recorded 

does not show the water supply available for further development, as prior aoproprlatlons 

below the station must first be satisfied.

The table of monthly discharge presents in summary the distribution of the flow past the 

station. The table of daily discharge affords opportunity for more detailed studies of the 

variation in flow. As further observations In each succeeding year may be expected to 

throw new light on data previously published, It should be borne in mind that such data are 

subject to revision in succeeding water-supply papers.

PUBLICATIONS

The results of stream-flow measurements are now published annually In 14 parts, each 

part covering an area whose boundaries coincide with natural drainage features as indicated 

below:

Part 1. North Atlantic slope basins (St. John River to York River).

2. South Atlantic slope and eastern Gulf of Mexico basins (James River to 

	Mississippi River).

3. Ohio River Basin.

4. St. Lawrence River Basin.

5. Hudson Bay and upper Mississippi River Basins.

6. Missouri River Basin.

7. Lower Mississippi River Basin.

8. Western Gulf of Mexico basins.

9. Colorado River Basin.

10. The Great Basin.

11. Pacific slope basins in California.

12. Pacific slope basins In Washington and upper Columbia River Basin.

13. Snake River Basin.

14. Pacific slope basins In Oregon and lower Columbia River Basin.
6 SURFACE WATER SUPPLY, 1947, PART 12

Water-supply papers and other publications of the Geological Survey containing data on 

the water resources of the United States may be obtained or consulted as erplained below.

1. Copies may be purchased at nominal cost from the Superintendent of rocuments, 

Government Printing Office, Washington, D. C., who will, on application, furnish lists 

giving prices.

2. Sets of the reports may be consulted in the libraries of the principal cities in 

the United States.

3. Sets are available for consultation in the offices of the water resources division of 

the Geological Survey as follows:

East of the Mississippi River:

Albany, N. Y., 528 Federal Building.

Asheville, N. C., 280 Post Office Building.

Atlanta, Ga., 411 Grand Theater Building.

Augusta, Maine, 420 Statehouse.

Baton Rouge, La., 538 Florida Street.

Boston, Mass., 939 Post Office Building.

Champaign, 111., 605 South Nell Street.

Charleston, W. Va., 408 Union Building.

Charlottesville, Va., Cabell Hall, University of Virginia.

Chattanooga, Term., 442 Post Office Building.

College Park, Md., 106 Engineering Building, University of Maryland.

Columbia, S. C.,207 Creason Building.

Columbus, Ohio, 404 Engineering Experiment Station, Ohio State University.

Harrisburg, Pa., 490 Education Building.

Hartford, Conn., 203 Federal Building.

Indianapolis, Ind., yil West Washington Street.

Jackson, Miss., ao8 Millsaps Building.

Knoxville, Term., 337 Post Office Building.

Louisville, Ky., 531 Federal Building.

Madison, Wis., 666 State Office Building.

Montgomery, Ala., 507 Post Office Building.

Morgantown, W. Va., 407 Mineral Industries Building.

New Philadelphia, Ohio, Muskingum Watershed Conservancy District Building.

Ocala, Fla., 302 Post Office Building.

Pittsburgh, Pa., 515 Plaza Building.

Raleigh, N. C., 908 Capitol Club Building.

St. Paul, Minn., 1427 New Post Office Building.

Trenton, N. J., 228 Federal Building.

Washington, D. C., general Services Administration Building

Williamsburg, Ky., State Highway Building.

West of the Mississippi River:

Albuquerque, N. Mex., 723 North Second Street.

Austin, Tex., 302 West Fifteenth Street.

Bismarck, N. Dak., 7 Eltinge Building.

Boise, Idaho, 429 Federal Building.

Denver, Colo., 126 New Customhouse.

Fort Smith, Ark., 6 Post Office Building.

Helena, Mont., 408 Federal Building.

Honolulu, Hawaii, 225 Federal Building.

Idaho Falls, Idaho, 204 Federal Building.

Iowa City, Iowa, 508 Hydraulic Laboratory, University of Iowa.

Lincoln, Nebr., 510 Rudge-Guenzel Building.

Los Angeles, Calif., 429-F United States Post Office and Courthouse.

Oklahoma City, Okla., 201 Council Building.

Pierre, S. Dak., 301 Federal Building.

Portland, Oreg., 606 Post Office Building.

Rolla, Mo., 211 Ramssy Building.

St. Louis, Mo., 1004 New Federal Building.

Salt Lake City, Utah, 303 Federal Building.

San Francisco, Calif., 702 Appraisers Building.

Santa Fe, N. Mex., 204 United States Courthouse.

Tacoma, Wash., 207 Federal Building.

Topeka, Kans., 305 Federal Building.

Tucson, Ariz., 210 Post Office Building.

A list of Geological Survey publications may be obtained by applying to the Director, 

Geological Survey, Washington, D. C.

Prior to publication, records of discharge in provisional form for individual stations 

may usually be obtained from the district offices listed above.
PUBLICATIONS

Early records of the flow of streams in the United States are publishsd in the reports 

listed below. In many of these reports records for years earlier than those Indicated 

have been included for- some streams.

Stream-flow data for the years 1884-1901, In reports of the Geological Survey 

(A « Annual Report; B » Bulletin; W . Water-Supply Paper)

Report

10th A, pt. 2

B 131........ 

16th A, pt. 2 

B 140........

W 11

18th A, pt. 4 

W 15.........

W 16.........

19th A, pt. 4 

W 27

W 28.........

W 35 to 39 ...

H 65, 66..... 

H 75.........

Character of data

Descriptive information only.

Descriptions, measurements, gage heights, and ratings. ....... 

Descriptive information only. 

Descriptions, measurements, gage heights, ratings, and 

monthly discharge.

Descriptions, measurements ratings, and monthly discharge...

of the Mississippi River and Missouri River and tributaries above Kansas River. 

Descriptions, measurements and gage heights of stream west 

of the Mississippi River except Missouri River and tributaries above Kansas River. 

Descriptions, measurements, ratings, and monthly discharge.

the Mississippi River, and Missouri River and tributaries. 

Measurements, ratings, and gage heights of streams west of 

the Mississippi River, except Missouri River and tributaries .

Descriptions, measurements, gage heights, and ratings. .......

Descriptions, measurements, gage heights, and ratings. ....... 

Monthly discharge ............................................

Year

1893-94 . 

1S95.

1895-96.

1897. 

1897.

1898.

1899.

1901. 

1901.

Papers on surface water supply containing records from 1899 to date, groped by years 

and drainage basins, are listed by number on page 8. The data for any particular gaging 

station will, in general, be found In the reports covering the years during which the 

station was maintained. For example, the data for 1910 to 1920 for any station In the 

area covered by part 3 are published in Water-Supply Papers 233, 303, 323, 3'?, 403, 433, 

453, 473, and 503, which contain records for the Ohio River Basin for those years. <

The records at most of the stations discussed in these reports extend ove*1 a series of 

years. Miscellaneous measurements at many points other than regular gaging stations have 

been made each year and are published under "Miscellaneous discharge measurements" at the 

end of each report, the streams and points of measurement listed appearing In the same 

relative order as the streams and gaging stations in the body of the report. An index of 

the records obtained prior to 1904 has been published in Water-Supply Paper 119.

Each of the reports on surface water supply for the year 1939, issued as Water-Supply 

Papers 871 to 884 (see table on p. 8), contains, for the area covered by that report, a 

summary of yearly discharge at gaging stations at which 10 or more complete years of record 

have been collected. These summaries are available also as separate reprints.

903681 0-50-2
Numbers of water-supply papers containing results of stream measurements, 1

Year

1899 a... 

1900 g... 

1901..... 

1903 ..... 

1903.....

1905..... 

1906..... 

1907-8... 

1909.....

1910. .... 

1911..... 

1912..... 

1913..... 

1914.....

1915. .... 

1916..... 

1917..... 

1918..... 

1919-20..

1921. .... 

1923.....

1923..... 

1924..... 

1925.....

1926.. . . . 

1927..... 

1928..... 

1929..... 

1930.....

1931. .... 

1932 ..... 

1933..... 

1934..... 

1935.....

1936.. .. . 

1937..... 

1938..... 

1939..... 

1940.....

1941.. . . . 

1942 ..... 

1943.....

1944..... 

1945.....

1946. .... 

1947... . .

1

35 

47, h48 

65, 75 

82 

97

0165, p!66, q!67 

0201, p202, q203 

241 

261

281 

301 

321 

351 

381

401 

431 

451 

471 

501

541 

561

581 

601

641 

661 

681 

696

711 

726 

741 

756 

781

801 

821 

851 

871 

891

951 

971 

1001 

lOil

1051

i<m

b35, 36 

48 

65, 75 

b82, 83 

b97, 98

q!67, 168 

q203, 204 

242 

262

28Z 

302 

322 

352

382

402 

432 

452 

472 

502

542 

562 

582 

602

642 

662 

682 

697

712 

727 

742 

757 

782

802 

822 

852 

872 

892

952 

972 

1002 

1032

1052 

in<5?

3

36 

48, 149 

65, 75 

83 

98

169 

205 

243 

263

283 

303 

323 

353 

383

403 

433 

453 

473 

503

543 

563 

583 

603

643 

663 

683 

698

713 

728 

743 

758 

783

803 

823 

853 

873 

893

953 

973 

1003 

1033

1053 

li"><53

41 Sff"

49 

65, 75 

m82, 83 

97

170 

206 

244 

264

284 

304 

324

354- 

384

404 

434 

454 

474 

504

544 

564 

584 

604

644 

664 

684 

699

714 

729 

744 

759 

784

804 

824 

854 

874 

894

954 

974 

1004 

1034

1054 

10<34

5

36 

49 

k65, 66, 75 

k83, 85 

k98, 99, nlOO

171 

207 

245 

265

285 

305 

325 

355 

385

405 

435 

455 

475 

505

525 

545 

565 

585 

605

625

645 

665 

685 

700

715 

730 

745 

760 

785

8O5 

825 

855 

875 

895

925 

955 

975 

1005 

1035

1055

10S5

e

036, 37 

49, J50 

66, 75 

84 

99

172 

208 

246 

266

286 

306 

326 

356 

386

406 

436 

456 

476 

506

526 

546 

566 

586 

606

626 

646 

666 

686 

701

7l6 

731 

746 

761 

786

8O6 

826 

856 

876 

896

926 

956 

976 

1006 

1036

1056 

11<W

7

37 

50 

k65, 66, 75 

k83, 84 

k98, 99

k!69, 173 

k205, 209 

247 

267

287 

307 

327 

357 

387

407 

437 

457 

477 

507

527 

547 

567 

587 

607

627 

647 

667 

687 

702

717 

732 

747 

762 

787

807 

827 

857 

877 

897

927

957 

977 

1007 

1037

1057

10qi

 

a toeing tables and inlex Co <ater-iuppi -i, 

contained in Water-Supply Paper 39. Monthly discharge for 1899 in 21st Annual Report, part 4. 

b James River only. h 

c Oallatin River. i 

d Green and Gunnison Rivers and Colorado River above J

Gunnison River.

e Mojave River only. k 

f Kings and Kern Rivers and south Pacific slope basins, m

racing saoies ana in-jex to /ater-Juppiy 

contained in Water-Supply Paper 52. Mo

for 1900 In 22d Annual Report, part 4.

Wissahickon and Sohuylkill Rivers to Jam

Scloto River.

Loup, Platte, and Elkhorn Rivers and tri

Platte River.

Tributaries of Mississippi River from ea

Lake Ontario and tributaries to St. Lawr
PUBLICATIONS

Reports have been published that are compilations of records for various a^eas, usually 

a single State or drainage basin. These reports contain records previously p-tblished 

(some of which have been revised), as well as some records not contained In the annual 

series of water-supply papers. The following table gives the numbers and titles of these 

reports, arranged alphabetically, some by States and some by drainage basins.

Reports containing compilations of records of discharge by States and drainage basins

Report

STATE 

Alabama, Water powers of, with an appendix on stream measurements In 

Mississippi. 

California, Water resources of, part 1, Stream measurements In Sacramento River Basin. 

California, Water resources of, part 2, Stream measurements in San 

Joaquin River Basin. 

California, Water resources of, part 3, Stream measurements in the Great 

Basin and Pacific Coast river basins.

California, southern. Surface water supply of Pacific slope basins in.... 

California, Surface water supply of minor San Francisco Bay, northern 

Pacific, and Great basins in.

DRAINAGE BASIK

Colorado River (Ariz., Colo., N. Hex., Utah, Wyo.) and its utilization... 

Colorado River, upper (Colo., Utah), and its utilization. ................ 

Colorado River Basin (Ariz., Calif., Colo., Utah, Wyo.), Surface waters 

at base stations in. 

Colorado River Basin (Ariz., Calif., Nev., M. Hex., Utah), Surface waters 

at stations on tributaries ir. lower. 

Columbia River Basin, upper (Mont., Idaho), Surface waters of ............

Green River (Colo., Utah, Wyo.) wl its utilization. .....................

Mew-Kanawha River Basin (M. C., Va., W. Va.), Surface water supply of....

Potomac River Basin (D. C., Md., W. Va. )................................. 

Rio Qrande Basin (Colo., H. Hex., Tex.), Water resources of ..............

St. Mary River. See St. Mary and Milk Rivers; Missouri and St. Mary 

River Basin. 

Sevier Lake Basin (Utah), Utilization of surface water resources of...... 

Susquehanna River Basin (Pa., Md.) Hydrography of ........................

Period

1895-1903 

1887-1912 

1878-1912 

1891-1912

1894-1927 

1895-1927

1P7Q 1919

1919-*5

1888-1914 

1897-1927 

1891-1938

1886-1938 

1893-1938

1894-1926

1895-1920

3895-1906 

18&9-1913

1889-1937 

1890-1904

Water-Supply 

Paper

107 

298 

299 

300

636-E 

SJ7-A

395 

617 

918

1049 

916

618 

198

E36

192 

358

9?0 

109

Records of discharge have been published also in State reports. Some of these are 

not contained in the publications of the Geological Survey or are revisions cf records 

previously published in its water-supply papers. The following table contains a list of 

these reports.

State reports containing compilations of records of discharge

State

Colorado ......

Connecticut . . .

Period

1881-1935

1900-1927 

1912-33

1908 11

Report

Water resources of Colorado, Appendix 2, 

Data on stream-gaging stations of 

Colorado. 1

vols. 1 and 2, Stream-flow data of 

Colorado. 

Bull. 44, Water resources of Connecticut...

and flood flow relating to Iowa streams..

resources of Iowa.

Issued by

State Planning Commission, 

Water Conee-vatlon Board, 

State engineer. 

Do.

State Geological and Natural 

History Sui-'ey.

Department of Conservation.

Do.

Do.

1 Contains records of yearly discharge only.
10

SURFACE WATER SUPPLY, 1947, PART 1° 

State reports containing compilations of records of discharge Continued

State

Do.........

Kentucky... ... 

Louisiana.. ...

Do.........

Minnesota.. .. . 

Missouri... ... 

Do.........

Nebraska ......

New Hampshire. 

New Jersey. ...

New Mexico.... 

North Carolina

DO...V.....

North Dakota.. 

Do.........

Oregon

Pennsylvania..

Rhode Island..

South Carolina

Washington... . 

Wisconsin. ....

Period

1924-28

1910-20 

1903-38

1909-12 

1857-1926 

1927-39

1894-1914

1889-1922 

1892-1928

1888-1925 

1889-1923

1866-1945

1919-21 

1882-1938

1890-1911

1929-41

1884-1946

1878-1933 

1888-1914

Report

Report of Division of Water Resources......

Surface waters of Kentucky. ................

Qeol. Bull. 16, Surface water supply of 

Louisiana.

major streams In Maryland.

waters of Maryland and the Potomac 

River Basin. 

Water-resources Investigation of Minnesota. 

Vol. 20, 2d series, Water resources of 

Missouri. 

Vol. £6, 2d series, Surface waters of 

Missouri.

sources of Montana. 

1st hydrographlc report ....................

Annual and statistical report, vol. 12..... 

Bull. 33, Surface water supply of Mew 

Jersey.

New Jersey.

New Jersey. 

Surface water supply of New Mexico. ........ 

Bull. 34, Discharge records of North 

Carolina streams.

Carolina streams. 2 

Hydrologic Data on the Neuse River Basin.

Basin.

Basin. 

Report to Qovernor of North Dakota on 

flood control. 

Surface water in North Dakota ..............

records of Ohio.

flow-duration tables.

Oregon.

Oregon .

Oregon .

Oregon. 

Report of the Water Supply Commission of 

Pennsylvania.

water supply of South Carolina.

(Potomac, Rappahannock, and York River 

Basins).

(James River Basin).

(Roanoke and Chovran River Basins ) .

(New, Tennessee, and Big Sandy River 

Basins). 

Bull. 5, Monthly and yearly summaries of 

hydrometrlc data. 

1st report of Railroad Commission of Wisconsin to Legislature on water powers.

Issued by

State Board of Agriculture.

Kentucky Geological Survey. 

Department of Conservation.

Water Resources Commission.

and Water Resources. 

State Drainage Commission.

Missouri Bureau of Qeology 

and Mines. 

Missouri Geological Survey 

and Water Resources.

ment Station. 

Bureau of Water Power j Irrigation, and Drainage .

Public Service Commission. 

Department of Conservation 

and Development.

Office of the State Engineer. 

Department of Conservation 

and Development .

Do. 

Do.

State chief engineer. 

State Planning Board.

Commission.

Ohio State University.

Division o" Conservation 

and Natural Resources.

Ohio State University.

Do.

Water Supply Commission of 

Pennsylvania .

Waters. 

Department o* Public Works.

South Carolina Research, 

Planning and Development 

Board.

mission. 

Do.

Do.

Do.

Department o<" Conservation 

and Development . 

Railroad Conrnlsslon of WlsZ Contains records of maximum and minimum dally, weekly, and monthly discharge and yearly mean 

discharge.

3 Includes records of discharge for all stations in North Carolina in the Tennessee River Basin.

Note.- In addition to the records contained In the reports listed above, the folloving states 

have Issued annual or blennjal reports in which are contained records of discharge: California, 

Colorado, Connecticut, Idaho, Indiana, Kansas, Maine, Missouri, Montana, Nebraska, Nevada, New 

Mexico, New York (also New York City Board of Water Supply and city of Rochester), North Dakota, 

Oregon, Pennsylvania, Rhode Island, Washington, and Wyoming.
RECORDS OP DISCHARGE COLLECTED BY AGENCIES OTHER THAN THE GEOLOGICAL SURVEY 11

The reports listed In the foregoing tables contain the customary records of discharge 

collected during the systematic operation of gaging stations. Detailed inforrnation on 

the stage and discharge of many streams during major floods has been included in special 

reports on these floods published by the Geological Survey. The more recent of these 

special reports also contain other pertinent hydrologlc information and analyses and compilations of data relating to earlier noteworthy floois. The following list gives the numbers and titles of these reports:

Water-Supply 

Paper

88

98

96 

147 

168 

334 

426

487

488 

520- G 

636-C 

771 

'73-E 

796-B 

796-C 

 796-G

798

799

800

816

836-A

838

848

843

844

847

867

869

914

966

967-A

967-B

967-C

994

997 

1046 

1066 

1080

T11., Tltle 

The Passaic flood of 1902. 

The Passaic flood of 1903.

Destructive floods In the United States In 1903. 

Destructive floods In the United States in 1904. 

Destructive floods In the United States in 1905. 

The Ohio Valley flood of March-April 1913. 

Southern California floods of January 1916. 

The Arkansas River flood of June 3-5, 1921. 

The floods In central Texas in September 1921. 

Some floods In the Rocky Mountain region. 

The New England flood of November 1927. 

Floods in the United States, magnitude and frequency. 

The New York State flood of July 1935.

Flood on Republican and Kansas Rivers, May and June 1935. 

Flood in La Canada Valley, Calif., January 1, 1934. 

Major Texas floods of 1935.

The floods of March 1936, part 1, New England rivers.

The floods of March 1936, part 2, Hudson River to 3usquehanna River region. 

The floods of March 1936, part 3, Potomac, James, and upper Ohio Rivers. 

Major Texas floods of 1936.

Stages and flood discharges of the Connecticut River at Hartford, Conn. 

Floods of Ohio and Mississippi Rivers, January-February, 1937. 

Floods in Canadian and Pecos River Basins of New Mexico, May and June 1937. 

Floods of December 1937 in northern California. 

Floods of March 1938 in southern California.

Maximum discharges at stream-measurement stations through September 1938. 

Hurricane floods of September 1938. 

Flood of August 1935 in Musklngum River Basin, Ohio. 

Texas floods of 1938 and 1939. 

Minor floods of 1938 in North Atlantic States.

Floods of September 1939 in Colorado River Basin below Boulder (Hoover) Dam. 

Flood of July 5, 1939, in eastern Kentucky. 

Flood of August 21, 1939, in town of Baldwin, Maine. 

Cloudburst floods in Utah, 1850 to 1938. 

Floods In Colorado. 

Texas floods of 1940.

Floods of August 1940 in the southeastern £tatee. 

Floods of May-June 1948 in Columbia River Basin.

The following table contains a list of gaging stations for the area covered by this 

report at which records of dally discharge were collected during the water year October 

1946 to September 1947 by agencies other than the Geological Survey. The records for 

these stations are not contained In the publications of the Geological Survey except as 

noted.

Records of discharge collected by agencies other than the Geological Survey

Stream

Reservation drain. ....

Toppenlsh Creek. ......

Do ................. 

Lake Whatcom. .........

Do.. .......... ....

Location

Alfalfa, Wash. .........

Creek, near Toppenlsh, 

Wash.

Near Fort Slmcoe, Wash.

Near Alfalfa, wash. ... 

Belllngham, Wash. ......

Ellensburg, Wash. ......

Period

1912-47

1909-47

1932-47 

1923-47

1910-15, 

1940-47 

1937-47

Collected by

Office of Indian Affairs..

... .do. ...................

. . . .do. ................... 

City of Bellingham. ... ...

Remarks

tUnpubllshed 

since 1923.

since 1924.

tUnpubllshed 

since 1924. 

Unpublished. 

Unpublished.

since 1915. 

Unpublished.

t Records for earlier years published In water-supply papers of Geological Survey.

Note.- Records of dally discharge for many canals and drains In Washington for 1S47 and earlier 

years have been collected by the Bureau of Reclamation and the Office of Indian Affairs of the United 

States Department of the Interior, in connection with irrigation and drainage projects. These 

records have not been published. The Northern Rocky Mountain Forest and Range Experiment Station 

collects records of runoff from an area of 960 acres on Benton Creek near Priest Rive , Idaho.
12 SURFACE WATER SUPPLY, 1947, PART 12

COOPERATION

The work in the several States was done under cooperative agreements with the organizations listed below:

Idaho: Idaho Department of Reclamation, H. R. Kulp, State reclamation 

engineer.

Montana: Office of State Engineer, P. E. Buck; State Water Conservation 

Board.

Washington: State Department of Conservation and Development, Art Carton, 

director, and C. J. Bartholet, consultant engineer for the department; State 

Department of Fisheries, Hilo Moore, director; State Department of Game, D. W. 

Clarke, director; State Department of Highways, Clarence Shain, director; 

Washington State Capitol Committee, Gov. M. C. Wallgren, chairman; cities of 

Aberdeen, Bellingham, Bremerton, Cosmopolis, tverett, Seattle, Tacoma, and 

Waterville; Intercounty River Improvement Commssion; Snohomish County Public 

Utilities District No. 1; and Skagit and Whatcom Counties.

Financial assistance was furnished by the Corps of Engineers, United States Army, for 

the operation of four gaging stations in Idaho, six in Montana, and twelve in Washington.

Acknowledgment of financial assistance in collecting records published herein is due to 

the United States Department of State and the Bureau of Reclamation and the Office of 

Indian Affairs of the United States Department of Interior. Assistance was also furnished 

by the Soil Conservation Service of the United States Department of Agriculture and the 

Weather Bureau of the United States Department of Conrnerce. Acknowledgment is due to the 

Forest Service of the United States Department of Agriculture and the Weather Bureau for 

furnishing special reports of watershed conditions and precipitation records.

Full cooperation exists between this organization and the Dominion Water and Power 

Bureau Department of Mines and Resources, Canada. On waters adjacent to the international 

boundary certain stations are maintained jointly by the United States and Canada'under the 

terms of the Boundary Waters Treaty of 1909, and others are maintained under a subsequent 

agreement between the two Governments. The records from all these stations are obtained 

in such a manner as to be equally acceptable and available in either country. These 

stations are herein designated "international gaging stations."

Assistance in collecting the records was also rendered by the following organizations: 

Idaho: Washington Water Power Co. 

Montana: .Montana Power Co.

Washington: Crown Zellerbach Corporation; Electric Land Co.; Puget Sound Power 

& Light Co.; Rayonier, Inc.; and Washington Water Power Co.

DIVISION OF WORK

The stream-gaging work was conducted by the water resources division of the Geological 

Survey Carl G. Paulsen, chief hydraulic engineer and Joseph V. B. Wells, chief of the 

surface water branch. The data for the stations in the- several States were collected and 

prepared for publication under supervision of district engineers as follows: In Idaho 

and for Clark Pork-near Heron, Mont., T. 'R. Newell; in Montana (except for station noted), 

A. H. Tuttle; in Washington, P. M. Veatch.

The records were reviewed and the manuscript prepared for publication under the direction of B. J. Peterson, chief, annual reports section.
GAGING-STATION RECORDS 13

Pacific slope basins north of Columbia River 

NASELLE RIVER BASIN

Naselle River near Naselle, Wash.

Location.- Staff gage, lat. 46°22'25", long. 123°44'45", in SWij sec. 1, T. 10 N., R. 9 W. 

TylnTTes upstream from Salmon Creek and 3§ miles east of Naselle.

Drainage area.- 55 square miles.

Records available.- May 1929 to September 1947.

Average discharge.- 18 years, 414 second-feet.

Extremes.- Maximum discharge during year, 5,800 second-feet Dec. 11 (gage height, 11.25 

feet, from graph based on gage readings); minimum observed, 38 second-feet Oct. 16-18.

1929-47: Maximum discharge observed, 10,400 second-feet Jan. 22, 1935 (gage 

height, 15.9 feet, from floodmarks), from rating curve extended above 3,000 secondfeet; minimum observed, 22 second-feet Oct. 6, 7, 1929; minimum gage height observed, 

1.72 feet Aug. 29, 1935.

Remarks.- Records good. Gage read twice daily. No diversion or regulation.

Rating table, water year 1946-47 (gage height, In feet,

and discharge, in second-feet)

(Shifting-control method used Oct. 1-22,

Apr. 10 to June 9, Sept. 9-30)

1.9 32 3.5 500 7.0 2.45O 

2.1 69 4.0 715 8.0 3,150 

2.3 120 4.5 960 9.0 3,900 

2.6 2O4 5.0 1,220 1O.O 4,7OO 

3.0 330 6.0 1,820

Discharge, In second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

44 

47 

65 

51 

65

49 

65 

56 

51 

47

44 

44 

44 

44 

41

38 

38 

38 

69 

500

353 

465 

465 

1,580 

1,760

1,110 

760 

580 

540 

520 

602

Nov.

648 

560 

482 

428 

390

397 

340 

307 

3OO 

291

271 

250 

237 

222 

204

190 

380 

935 

810. 

625

602 

2,870 

2,520 

2,06O 

1,940

1,700 

2,940 

1,640 

1,140 

835

Dec.

692 

715 

935 

1,520 

1,520

1,110 

1,110 

1,310 

1,280 

1,760

4,620 

3,080 

2,870 

2,180 

1,700

1,190 

910 

692 

560 

482

431 

383 

340 

307

278

259 

253

228 

210 

195 

190

Jan.

195 

175 

164 

158 

161

169 

153 

158 

153 

380

343 

428 

370 

317

281

259 

250 

465 

760 

580

785 

1,060 

1,700 

2,240 

3,580

2,870 

1,520 

985 

738 

625 

500

Feb.

1,310 

3,660 

1,700 

1,010 

760

648 

540 

465

407 

370

387 

885 

1,520 

3,430 

2,120

1,190 

860 

648 

52O 

448

390 

346 

304 

278 

253

234

216 

201

 _*>. Secondon foot-days

Octo 

Nove 

Decs

Ca

Janu 

Febr 

Hare 

Apri 

May 

June 

July 

Augu 

Sept

Wa

mber ......................

lendar year 1946 ......

10,175 

26,514 

33,310

190,169

1 ................ ....

ember ....................

22,522 

25,100 

8,171 

9,102 

3,666 

4,395 

3,494 

1,738 

2,414

ter year 1946-47..... .... 150,601

Mar.

187 

198 

246 

231 

195

178 

192

213 

333 

738

648 

500 

424 

380 

327

291 

265 

246 

225 

210

201 

201 

190

222 

187

169 

155 

147 

153 

158 

161

Maximum

1.76C 

2.94C 

4.62C

4.62C

3.58C 

3.66C 

738 

602

2 1C 

276 

169 

11C

265

4,620

Apr.

246 

234 

204 

275 

278

317 

291 

333 

320 

602

465 

400 

350 

307

278

250 

253 

317 

424 

394

343 

307 

275 

262 

237

219 

204 

201 

291 

225

May

210 

201 

190

172 

164

155 

150 

144

123 

136

125 

117 

117 

112

112

112 

104 

107 

128 

104

92 

92

86 

82 

82

79 

76 

76

74 

72 

72

Minimum

38 

190 

190

32

153 

201 

147 

201 

72 

82 

79 

41 

40

38

June

86 

97 

117 

92

82 

110 

158 

278 

198

164 

136 

117 

110 

99

213 

184 

164 

142 

142

142 

131 

120 

110 

107

147 

275 

234 

187

167

1947

July

150 

136 

128 

117 

110

110 

99 

94

89

86

99 

136 

131

131

169

164 

131 

120 

112 

104

97 

89 

89 

104 

110

99 

86 

131 

110 

84 

79

Per 

Mean square

mile

328 5.96 

884 16.1 

1,075 19.5

521 9.47

727 13.2 

896 16.3 

264 4.80 

303 5.51 

118 2.15 

146 2.65 

113 2.05 

56.1 1.02 

80.5 1.46

413 7.51

Aug.

74 

72 

69 

65

62

60 

62 

110 

79 

65

60 

60 

58 

56 

51

54 

54 

51 

47 

47

46 

44 

44 

42

42

41 

41 

41 

41 

44 

56

Sept

44 

41 

40 

41 

41

47 

158 

175 

265 

172

125 

104 

94

84

76

82 

74

67 

67 

62

62 

58 

56 

56 

54

54 

54 

54 

58 

49

Runoff

Inches

6.88 

17.93 

22.52

128,59

15.23 

16.97 

5.53 

6.15 

2.49 

2.97 

2.36 

1.18 

1.63

101.83

Acre-feet

20,180 

52,590 

66,070

377,200

44,670 

49,790 

16,210 

18,050 

7,270 

8,720 

6,930 

3,450 

4,790

298,700
14 NEMAH RIVER BASIN

North Neman River near South Bend, Wash.

Location.- Water-stage recorder, lat. 46°29'30", long. 123°50'00", in SE^sec. 30, T. 12

 M., H. 3 W., 500 feet downstream from Finn Creek, 5 miles upstream from mouth, and 12 

miles south of South Bend.

Drainage area.- 18.0 square miles.

Records available.- February 1946 to September 1947.

Extreir.es.- 1946: Maximum discharge during period February to September, 1,000 second-

 feet t'eb. 5 (gage height, 6.40 feet); minimum, 12 second-feet Sept. 11, 12 (gage height, 

1.54 feet) .

1946-47: Maximum discharge during water year, 1,550 second-feet Dec. 11 (gage 

height, 8.21 feet); minimum, 11 second-feet Oct. 18, 19 (gage height, 1.53 feet).

Remarks. - Records good except those for periods of shifting control, whicl- are fair. No 

diversion or regulation.

1.5

1.7 

2.0

Rating tables, Febr'.ary 1946 to September 1947, except periods 

of shifting control (gage height, In feet, 

and discharge, In second-feet)

Feb. 4, 1946, to Dec. 10, 1946

2.6 13E

3.0 199

2.5 295

4.0 195

4.5 500

5.0 625

5.5 750

Dec. 11, 1946, to Sept. 30, 1947

2.0 

2.3 

2.6

3.0 157

3.5 264

4.0 379

4.5 500

5.0 625

6.0 880

7.3 1,270

Dnd-feet, 1946-47

Daj

I

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct. NOT. Dec. Jan. Feb.

a420

a570

a410

a265

623

748

448

295

244

210

" 173

158

146

135

126

118

1*0

118

111

120

128

148

365

432

375

275

545

415

-

_

-

Mar.

305

325

265

221

197

190

172

159

148

140

178

238

230

284

345

275

210

192

167

151

138

137

140

153

212

240

£26

194

176

154

137

Apr.

129

118

113

106

103

98

104

128

145

324

512

365

225

159

128

110

96

88

82

89

84

73

68

64

61

65

58

59

82

68

-

May

62

59

55

52

50

48

47

47

44

43

40

38

37

37

34

33

32

30

29

27

26

27

26

26

25

35

35

44

38

32

29

June

27

28

32

23

33

34

31

41

40

34

31

28

27

39

56

58

47

42

39

36

34

42

41

73

78

71

62

67

83

93

-

July

88

78

71

62

58

5E

5]

82

7E

62

59

53

5C

48

5f

49

45

43

41

3?

3e

35

34

32

31

3C

29

28

2F

23

2e

Aug.

27

25

24

23

24

25

22

22

21

20

20

22

22

22

22

20

18.5

17

16

15.5

15.5

15.5

14.5

14.5

14.5

14

14

13.5

14

16

15.5

Sept.

14

13.5

13.5

15

35

19

17

15.5

14

12.5

12.5

12.5

14

23

50

48

29

22

20

19

20

17.5

16

14.5

14

14

13.5

12.5

13.5

20

-

a No gage-height record; discharge comp ited )n basis of record! for North Riv 

Naselle River near Naselle.

Note.- Shlfcing-control method used Feb 9 to Apr. 10, May 9 to June 1.

Raymond and
NEMAH RIVER BASIN 15

Discharge, In second-feet, of North Nemah River near South Bend, Wash., 1946-47--r!ontinued

1946-47

Day

1

2

3

4

S

6

f

8

9

10

11

12

13

14

15

16

IT

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

14.5

17.5

19

25

21

17

22

20

18.5

16

14.5

14

14

14.5

13.5

12.5

12.5

12

25

109

67

82

82

478

360

223

148

113

113

114

135

Nor.

146

122

106

94

90

94

84

78

78

77

72

68

64

60

55

52

125

260

203

154

204

750

650

512

415

565

550

355

253

183

-

Dec.

156

153

192

315

325

232

265

335

335

544

1,270

750

675

562

462

333

251

202

171

148

136

124

112

103

97

92

90

82

78

75

78

Jan.

77

70

68

65

70

69

64

62

64

120

106

122

106

96

88

84

80

147

161

144

163

233

426

475

830

625

344

229

179

167

144

Feb.

418

910

414

262

194

157

134

117

105

96

112

202

298

550

379

249

183

149

129

115

103

96

87

80

74

70

68

85

_

_

-

Mar.

62

64

74

68

60

57

69

66

134

205

148

118

102

91

81

74

70

68

62

60

62

60

57

35

56

53

50

48

55

54

51

Apr.

75

61

59

73

75

77

70

80

82

134

105

92

78

70

65

59

64

73

103

90

77

70

65

62

56

53

49

50

62

50

-

Hay

47

47

43

41

39

38

36

35

36

34

33

32

30

28

28

29

28

33

34

28

27

23

25

24

24

23

22

22

22

21

22

June

24

24

30

31

25

23

29

60

56

50

41

36

34

31

30

62

44

40

37

41

36

34

33

30

31

56

84

65

53

46

-

July

42

39

37

34

34

34

31

29

28

27

33

39

33

29

32

28

26

25

24

24

23

22

22

28

34

28

24

28

25

23

22

Aug.

21

21

20

20

18.5

18.5

20

24

21

19

19

18.5

18

17

18

18

17

16.5

16.5

15.5

15

15

15

15

14.5

14.5

14.5

14.5

14.5

15.5

15

Sept.

14

13

13

13

13

18.5

32

32

38

26

22

20

18.5

17

17

19

17

16.5

15.5

15

15

14

13

13

13

13

13

12.5

12.5

12.5

-

Peak discharge.- Nov. 22 (11 a.m.) 970 sec. -ft.; Dec. 11 (9 a.m.) 1,550 sec. -ft. 

.m.) 1,060 sea. -ft. ; Feb. 2 (! a.m.) 1,270 sec. -ft. 

Note . - Shifting-control method used Feb. 15 to May 12.

Monthly discharge, in second-feet, 1946-47

Jan. 25 (11:30

Month

March. ........................

May

July. .........................

March.........................

April................ .........

May

Secondfoot-days

8,256 

6,319 

3,902 

1,187 

1,376 

1,495 

589.5 

574.5

-

2,347.0 

6,319 

8,743

-

5,678 

5,816 

2,344 

2,182 

957 

1,216 

907 

540.0 

521.5

37,570.5

Maximum

748 

345 

512 

62 

93 

88 

27 

50

-

478 

750 

1,270

-

830 

910 

205 

134 

47 

84 

42 

24 

38

1,270

Minimum

111 

137 

58 

25 

27 

26 

13.5 

12.5

-

12 

52 

75

-

62 

65 

48 

49 

21 

23 

22 

14.5 

12.5

12

Mean

295

204 

130 

38.3 

45.9 

48.2 

19.0 

19.2

-

75.7 

211 

282

-

183 

208 

75.6 

72.7 

30.9 

40.5 

29.3 

17.4 

17.4

103

Per 

square 

mile

16.4 

11.3 

7.22 

2.13 

2.55 

2.68 

1.06 

1.07

-

4.21 

11.7 

15.7

-

10.2 

11.6 

4.20 

4.04 

1.72 

2.25 

1.63 

.967 

.967

5.72

Runoff

Inches

17.06 

13.06 

8.06 

2.45 

2.84 

3.09 

1.22 

1.19

-

4.85 

13.06 

18.06

-

11.73 

12.02 

4.84 

4.51 

1.98 

2.51 

1.87 

1.12 

1.08

77.63

Acre-feet

16,380 

12,530 

7,740 

2,350 

2,730. 

2,970 

1,170 

1,140

47,010

4,660 

12,530 

17,340

-

11,260 

11,540 

4,650 

4,330 

1.9UJ 

2,410 

1,800 

1,070 

1,030

74,520
NORTH RIVER BASIN

North River near Raymond, Wash.

Location.- Water-stage recorder, lat. 46°49', long. 123°51', in sec. 6, T. 15 N., R. 9 

W. , l£ miles upstream from Salmon Creek and 10 miles northwest of Rayirond.

Drainage area.- 219 square miles.

Records available.- August 1927 to September 1947.

Average discharge.- 20 years, 901 second-feet.

Extremes.- Maximum discharge during year, 7,660 second-feet Jan. 27 (gage height, 7.46 

feet); minimum, 48 second-feet Sept. 26-30 (gage height, 1.27 feet).

1927-47: Maximum discharge, 35,000 second-feet Dec. 10, 1933 (gage height, 15.8 

feet, from floodmarks), from rating curve extended above 6,300 second-feet; minimum, 

24 second-feet Sept. 17, 1938 (gage height, 1.18 feet).

Remarks.- Records excellent. No diversion or regulation.

Rating table, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

1.5

1.7

2.0

52 

83 

12f' 

190 1,

285

405

640

4.0 1,550

4.5 2,130

5.0 2,900

5.5 3,750

6.0 4,650

6.5 5,600

7.0 6,600

7.4 7,440

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

78

81

96

97

97

88

90

83

83

83

73

70

69

69

67

66

66

62

78

270

440

510

455

1,120

1,500

1,350

972

656

522

48S

540

Nov.

626

704

577

482

430

425

374

344

324

310

302

285

268

254

244

232

260

546

1,120

997

880

2,420

4,650

4,840

4,740

3,580

3,660

3,410

2,420

1,820

-

Dec.

1,500

1,350

1,660

2,000

2,570

2,570

2,130

2,060

2,200

3,500

5,800

6,600

6,200

5,600

5,030

4,020

2,900

2,130

1,720

1,450

1,300

1,180

1,030

907

840

776

728

664

60S

558

522

Jan.

522

504

466

435

425

445

445

400

387

605

872

961

970

840

728

648

626

907

1,450

1,500

1,350

1,720

2,340

4,020

6,600

7,440

7,020

4,260

2,420

1,820

1,550

Month

October .......................

November ......... ..... .... .

December . . ..................

Calendar year 1946 ...... .

January ........ . ............

February ....... . ............

March .... ...... . . . ..... .

April . . ............. ........

Ktav may ...........................

June ...... ...................

July .........................

August ........... . .......

September ........ .........

Water year 1946 47 ..........

Feb.

1,960

6,200

6,600

4,440

2,500

1,820

1,500

1,300

1,130

1,010

1,010

1,400

1,880

5,800

5,030

3,410

2,200

1,660

1,350

1,200

1,060

943

864

784

720

664

3615

a565

_

-

Secondfoot-days

10,219

41,524

72,100

369,758

54,676

59,615

19,474

20,217

7,094

6 , 292

3 , 842

2 , 234

2,204

299,491

Mar

516

510

546

546

504

460

466

546

712

988

1,400

1,350

1,080

916

816

728

640

598

546

510

499

504

494

472

477

440

400

382

382

455

591

Maximum

1,500

4,840

6,600

6,600

7,440

6,600

1,400

1,060

400

405

196

101

162

7,440

Apr.

656

832

776

760

840

792

752

720

800

1,050

1,060

916

816

712

633

564

528

546

736

808

704

591

522

488

460

440

410

400

455

450

-

May

400

396

360

332

313

299

288

282

282

268

250

?38

229

220

214

214

208

214

220

214

199

182

170

158

148

140

134

132

130

130

130

Minimum

62

232

522

62

387

565

400

130

136

52

48

48

June

138

155

178

168

172

158

196

278

405

392

296

238

199

175

162

217

260

264

203

196

182

172

155

142

136

168

214

254

229

185

-

Mean

330

1,384

2,326

1,013

1,764

2,129

674

229

210

124

72.1

73.5

821

July

160

142

134

128

124-

120

112

110

10 J

97

10S

19?

180

150

136

13?

13C

12C

107

97

96

88

87

101

107

112

116

142

142

148

120

Per

square 

mile

1.51

6.32

10.6

4.63

8 . 05

9.72

2.87

3 . 08

1.05

959

.566

.336

3.75

Aug.

101

92

85

81

80

78

87

92

92

96

88

83

78

75

72

72

67

70

66

64

61

61

60

56

55

54

54

52

52

55

55

Sept.

58

60

58

56

54

77

103

112

158

162

138

110

87

78

73

70

66

62

62

60

55

52

52

51

49

49

48

48

48

48

-

Runoff

Inches Acre-feet

1.74 20,270

7 . 05 82, 360

12.24 143,000

62.80 733,400

9 . 28 108 , 400

10.12 118,200

3.31 38,630

3.43 40,100

1.20 14,070

1.07 12,480

.65 7,620

.38 4,430

.37 4,370

50.84 593,900
NORTH RIVER BASIN 17

Little North River near Cosmopolis, Wash.

Location.- Water-stage recorder, lat. 46°54'30", long. 123°43'00", in NW^NWi sec. 5, T. 

is N. , R. 8 W., If miles upstream from mouth and 4^ miles southeast of Cosmopolis.

Drainage area.- 20.3 square miles.

Records available.- November 1945 to September 1947.

Extremes.- 1945-46: Maximum discharge during period November to September, 872 second- 

 feet Dec. 29 (gage height, 9.81 feet); minimum, 1.8 second-feet Sept. 11, 12 (gage

height, 1.86 feet).

1946-47: Maximum discharge during water year, 1,010 second-feet Jan. 26 (gage

height, 11.00 feet); minimum, 2.6 second-feet Sept. 29 (gage height, 1.90 feet).

Remarks . - Records good except those for periods of shifting control, which are fair, and 

those for periods of no gage-height record, which are poor. No diversion or regulation.

Discharge, in second-feet, 1945-47 

1945-46

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

IS

17

IS

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct. HOT.

a40

65

58

47

42

42

42

39

43

70

95

89

103

231

255

243

261

334

309

207

145

106

82

72

90

235

320

189

220

360

-

Dec.

Z73

213

207

213

207

437

358

252

177

135

121

109

93

83

74

67

59

54

50

48

59

65

86

92

83

81

126

628

803

609

373

Jan.

285

249

231

451

519

304

347

341

237

\n

139

115

97

84

75

72

69

66

65

61

68

159

177

385

276

195

149

127

116

105

153

Feb.

189

321

279

201

253

539

398

273

195

153

127

106

94

89

78

70

69

67

61

59

62

64

140

Z31

285

231

403

437

-

-

-

Mar.

273

267

237

183

151

133

121

107

97

88

94

140

125

123

171

153

137

119

104

90

80

75

72

84

137

249

231

183

143

115

95

Apr.

82

72

67

60

54

51

48

51

62

120

372

373

231

165

124

103

85

74

67

63

67

58

51

47

44

42

40

40

52

47

May

41

38

55

34

32

30

28

27

26

25

24

22

21

20

20

19

18

18

17

16

15

16

15

14

14

15

15

16

14

13

12

June

12

12

12

12

11

13

14

15

14

13

12

11

10

15

32

33 ' 22

18

15

14

13

12

13

17

22

23

21

22

31

32

-

July

28

25

22

20

18

17

16

20

25

21

18

16

14

14

16

17

15

13

12

11

10

9.3

8.6

8.2

8.0

7.8

7.4

7.1

7.1

6.7

6.5

Aug.

6.7

6.4

5.8

5.6

5.6

5.3

5.1

4.9

4.7

4.4

4.4

4.4

4.6

4.7

4.6

4.6

4.4

3.7

3.6

3.4

3.6

2.8

2.8

2.8

2.6

2.4

2.5

2.6

2.5

2.6

2.6

Sept.

2.6

2.6

2.8

2.8

3.1

2.9

2.9

2.9

2.5

2.2

1.9

2.0

2.2

2.8

7.6

20

14

8.6

6.2

5.3

4.9

4.4

3.7

3.4

3.1

2.6

2.5

2.4

2.4

3.7

-

a Mo gage-height record; discharge computed on basis of records for nearby streams.
18 NORTH RIVER BASIN

Discharge, in second-feet, of Little North River near Ooamopolla, Wash., 1945-47--Continued

1946-47

Das

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Got.

3.6

4.4

6.0

6.4

6.0

5.6

6.2

6.4

6.0

5.1

4.4

3.9

3.7

3.6

3.4

3.2

3.1

3.1

4.9

38

52

40

48

148

207

121

76

56

46

42

43

NOT.

58

53

45

41

37

36

32

30

28

28

26

24

22

21

20

20

24

61

66

61

65

300

600

450

350

300

500

310

230

180

-

Dec.

140

110

150

230

250

170

220

220

350

600

820

540

480

370

280

230

190

150

120

100

90

80

72

64

52

52

48

45

41

38

35

Jan.

35

32

29

27

29

29

28

27

26

54

71

73

71

64

57

53

52

81

147

121

123

152

281

516

790

849

398

237

165

131

106

Feb.

198

882

488

255

165

127

103

85

75

68

74

151

225

633

478

249

165

122

95

79

69

62

55

50

45

44

40

38

_

-

Mar.

35

35

37

35

32

30

32

37

45

88

94

80

70

63

57

52

47

43

40

38

38

39

36

36

34

31

30

28

28

46

43

Apr.

58

68

58

58

55

54

50

54

58

78

79

71

63

58

51

46

43

45

60

60

51

47

43

40

37

34

32

31

37

34

Hay

32

30

28

26

24

22

21

20

20

19

18

17

16

15

15

IS

15

15

16

15

14

13

12

11

11

10

9.7

9.5

9.3

9.5

9.1

June

11

14

14

12

11

10

13

20

36

27

20

17

14

13

12

19

21

18

15

14

14

13

12

11

11

13

22

23

18

15

July

13

12

12

11

11

10

9.9

9.3

8.4

8.0

8.2

13

13

11

11

9.7

9.3

8.4

7.6

7.1

6.7

6.5

6.5

7.4

8.0

11

9.5

12

11

9.5

8.2

Aug.

7.4

6.7

6.4

6.0

5.6

5.5

6.4

6.9

7.8

7.3

6.7

6.0

5.6

5.3

5.3

5.3

5.1

4.9

.9

.6

.6

.6

.4

.4

.2

.0

.9

.9

.9

.9

.4

Sept.

4.0

3.9

3.9

3.9

3.9

5.3

6.9

8.0

9.1

8.0

6.2

5.5

4.9

4.6

4.0

4.0

3.7

4.7

. 4.0

3.4

3.2

3.1

3.2

3.1

3.1

2.9

3.1

3.1

2.8

2.8

-

Peak discharge.- Jan. 26 (1 a.m.) 1,010 sec.-ft.; Feb. 2 (3 p.m.) 949 sec.-ft.; Feb. 14 (6:30 

p.m.) 718 sec.-ft.

Note.- No gage-height record Nov. 22 to Jan. 6; discharge computed on basis of high-water mark in 

well and records for North Nemah River near South Bend and Charlies Creek near Aberdeen. Shiftingcontrol method used Oct. 1-24, Mar. 2 to May 13, Aug. 16 to Sept. 14.

Monthly discharge, in second-feet, 1945-47

March. ........................

Hay

October 1946 .................

Hay

July..........................

Secondfoot-days

126 7

820

39

4 09

32 5

Per

mile

6 95

i

Ir ches

81

_ _

lunoff

Aore-feet

12 ' 570

63,090
NEWSKAH CREEK BASIN 

Newskah Creek near Aberdeen, Wash.

19

Location.- Water-stage recorder, lat. 46°54 I 40", long. 123°49 I 20", Ih SE^SE^ sec. 32, T. 

17 H., R. 9 W., 3j miles upstream from mouth and 4 miles south of Aberdeen.

Drainage area .- 8.0 square miles.

Records available.- October 1945 to September 1947.

Extremes.- 1945-46: Maximum discharge during water year, 387 second-feet Dec. 28 (gage 

 height, 6.84 feet); minimum, 1.6 second-feet Sept' 9-12, 28 (gage height, 2.15 feet).

1946-47: Maximum discharge during water year not determined, occurred sometime during period of no gage-height record Jan. 25; minimum, 2.0 second-feet Oct. 16-19 (gage 

height, 2.18 feet).

Remarks.- Records good except those for periods of no gage-height record, which are poor. 

Mo diversion or regulation.

Rating table, October 1945 to September 1947 (gage height, in feet,

and discharge, in second-feet) 

(Shifting-control method usefl Dec. 12, 1946 to Mar. 14, 1947)

2.1 

2.3 

2.5 

2.7 

3.0

0.8

5.0

12

3.3 

3.6 

4.0 

4.5 

5.0

118

164

212

5.5 

6.0 -7.0

264

315

405

Discharge, in second-feet, 1945-47

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

4.5

4.4

4.2

4.1

3.9

3.6

3.6

3.6

3.6

3.4

3.6

3.6

3.6

3.6

3.6

3.6

3.9

3.6

9.6

6.0

5.7

12

7.8

8.2

48

79

46

30

24

25

22

Nov.

26

63

44

39

34

33

30

26

40

78

71

63

92

174

136

122

114

146

110

78

60

46

37

37

70

200

127

86

127

132

Dec.

106

84

94

84

111

181

118

86

 67

54

60

48

42

36

31

27

24

21

19

20

30

36

64

56

46

49

83

340

217

146

122

Jan.

101

98

90

233

155

106

150

118

88

71

58

49

44

39

36

37

36

44

40

37

49

106

120

179

101

76

62

56

52

49

93

Feb.

101

127

99

77

1S6

188

122

87

75

64

54

46

43

38

33

30

37

32

30

32

40

46

155

197

136

100

197

127

_

_

-

Mar.

93

114

82

68

59

54

46

42

37

34

48

61

50

65

76

62

55

46

40

35

31

31

31

39

88

113

98

71

56

43

37

Apr.

28

30

27

24

22

20

20

25

f40

100

275

140

90

65

49

42

36

32

30

30

32

27

26

24

22

22

18

20

24

22

-

Hay

20

18

18

17

16

16

14

14

14

13

11

11

11

10

10

9.5

9.0

8.5

8.5

8.5

8.5

8.5

8.2

7.8

8.5

8.2

8.2

10

8.9

8.2

7.8

June

7.1

8.5

8.2

7.1

7.1

10

8.2

9.2

9.2

8.2

7.8

7.1

7.1

12

17

14

11

10

9.2

8.9

8.5

8.9

9.6

16

14

14

12

18

24

22

-

July

20

18

14

14

13

12

11

17

15

13

11

11

10

10

12

10

8.9

8.5

8.2

7.8

7.1

6.8

6.4

6.0

6.0

5.7

5.4

5.0

5.4

5.0

4.7

Aug.

5.0

4.2

4.2

3.9

4.2

3.9

3.6

3.4

3.1

2.8

2.8

3.1

3.1

3.1

2.8

2.8

2.3

2.3

2.3

2.2

2.2

2.0

2.2

2.2

2.2

2.2

2.2

2.0

2.0

2.3

2.3

Sept.

2.2

2.0

2.2

2.2

2.2

2.0

1.8

1.7

1.6

1.6

1.6

1.8

2.6

4.5

7.1

6.8

3.4

2.3

2.2

2.3

3.1

2.2

1.8

1.8

1.8

1.7

1.7

1.6

1.7

3.6

-

Peak discharge.- Nov. 26 (11:45 a.m.) 352 sec.-ft.; Dec. 28 (3:30 to 4 p.m.) 387 sec.-ft.; Jan. 4 

(1 p.m.) 305 sec.-ft.; Jan. 23 (11:3O p.m.) 295 sec.-ft.} Feb. 5 (4:30 p.m.) 275 sec.-ft.

f Computed on basis of partly estimated gage-height record.

Mote.- No gage-height record Oct. 1-4, Mar. 11 to Apr. 8, Apr. 1O to May 20; discharge computed 

on basis of 1 discharge measurement, recorded range in stage, and records for nearby streams.
20 NEWSKAH CREEK BASIN

Discharge, in second-feet, of Mewskah Creek near Aberdeen, Wash., 1945-47 Continued

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oot.

2.6

3.1

5.

7.

4.

3.

5.

4.

3..

2 -

2.

2 .

2.

2 .

2.

2.0

2.0

2.0

5.0

52

24

33

37

172

99

57

36

27

24

26

33

Nov.

36

28

25

22

20

22

18

16

16

16

15

14

13

1311 '

11

17

40

31

31

38

346

311

190

120

100

275

120

78

54

-

Dec.

45

54

110

130

110

60

65

80

70

275

399

228

207

164

118

91

71

56

45

38

37

33

29

26

24

£4

22

20

18

16

16

Jan.

16

15

14

13

15

15

13

13

13

46

39

44

36

31

27

25

24

70

71

60

67

116

194

232

395

260

170

110

80

70

60

Feb.

200

370

210

150

105

80

64

55

48

45

70

110

160

200

130

85

60

. 45

40

34

34

27

25

23

21

20

19

18

_

_

-

Mar.

16

17

18

16

15

14

18

18

32

59

49

40

34

30

27

24

22

20

19

18

20

18

18

18

16

15

15

14

17

22

19

Apr.

33

27

24

27

28

27

24

28

30

54

39

33

28

25

22

20

20

23

45

34

27

26

23

22

20

17

16

18

23

17

Hay

17

16

15

14

13

13

12

12

11

11

10

9.2

9.2

8.5

9.2

8.2

11

11

8.5

7.8

7.4

7.1

6.8

6.4

6.4

6.0

6.0

6.0

5.7

6.0

June

7.1

7.1

7.8

7.1

6.4

6.0

12

30

33

20

15

14

12

11

10

20

18

12

11

13

10

10

9.2

8.5

8.2

14

16

12

11

10

July

9.6

8.9

8.5

7.8

7.4

7.4

7.1

6.8

6.8

6.4

8.5

20

15

12

13

11

9.6

8.9

8.5

8.2

7.4

7.1

7.8

11

10

8.9

7.8

11

9.2

7.8

7.1

Aug.

6.8

6.4

6.4

6.0

5.7

5.4

7.4

8.2

7.1

6.0

5.7

5.4

5.0

4.7

4.7

4.7

4.5

4.2

4.2

3.9

3.9

3.9

3.6

3.6

3.4

3.4

3.4

3.4

3.4

4.2

3.6

Sept.

3.4

3.4

3.4

3.4

3.1

7.1

11

10

14

7.8

6.4

5.7

5.0

5.0

4.7

5.7

4.7

4.2

3.9

3.9

3.6

3.9

3.6

3.6

3.6

3.9

3.6

3.6

3.6

3.6

Peak discharge.- Nov. 22 (12:15 n.m.l 486 sec. -ft.: Dec. 11 (5:30 a.m.) 48B sec. -ft.

Note.- No gage-height record Nov. 24-26, Nov. 28 to Dec. 9, Jan. 26 to Feb. 14; discharge computed

on basis of records for Charlies Creek near Aberdeen.

Monthly discharge, in second-feet, 1945-46

Month

March....... ..................

April.................... .....

May...........................

Water year 1945-46 .........

October 1946 ....... .........

Calendar year 1946

March. ........................

May. ..........................

Water year 1946-47 .........

Second 

foot-days

391.3 

2,441 

2,502

-

2,573 

2,479 

1,805 

1,362 

349.8 

333.9 

307.9 

88.9 

75.1

14,708.9

685.6 

2,047 

2,681

14,788.2

2,354 

2,448 

698 

800 

302.4 

381.4 

286.5 

152.2 

152.4

12,988.5

Maximum

79 

200 

340

-

233

197 

114 

275 

20 

24 

20 

5.0 

7.1

340

172 

346 

399

399

395 

370 

59 

54 

17 

33 

20 

8.2 

14

399

Minimum'

3.4 

26 

19

-

36 

30 

31 

18 

7.8 

7.1 

4.7 

2.0 

1.6

1.6

2.0 

11 

16

1.6

13 

18 

14 

16 

5.7 

6.0 

6.4 

3.4 

3.1

2.0

Mean

12.6 

81.4 

80.7

-

83.0 

88.5 

58.2 

45.4 

11.3 

11.1 

9.93 

2.87 

2.50

40.3

22.1 

68.2 

86.5

40.5

75.9 

87.4 

22.5 

26.7 

9.75 

12.7 

9.24 

4.91 

5.08

35.6

Per 

square 

mile

1.58 

10.2 

10.1

-

10.4 

11.1 

7.28 

5.68 

1.41 

1.39 

1.24 

.359 

.312

5.04

2.76 

8.52 

10.8

5.06

9.49 

10.9 

2.81 

3.34 

1.22 

1.59 

1.16 

.614 

.635

4.45

Runoff

Inches

1.82 

11.35 

11.63

-

11.96 

11.52 

8.39 

6.33 

1.63 

1.55 

1.43 

.41 

.35

68.37

3.19 

9.52 

12.46

68.74

10.94 

11.38 

3.24 

3.72 

1.41 

1.77 

1.33 

.71 

.71

60.38

Ao re- feet

776 

4,840 

4,960

-

5,10f 

4.92L 

3,580 

2,700 

694 

662 

611 

176 

149

29,170

1,360 

4,060 

5,320

29,330

4,670 

4,860 

1,380 

1,590 

600 

756 

568 

302 

302

25,770
CHARLIES CREEK BASIN 21

Charlies Creek near Aberdeen, Wash.

Location.- Water-stage recorder, lat. 46°56'25", long. 123°48'10", In SW£ sec. 21, T. 17

 N., R. 9 W., 2 miles upstream from mouth and 2 miles south of Aberdeen.

Drainage area.- 5.V square miles,

Records available.- October 1945 to September 1947.

Extremes.- 1945-46: Maximum discharge during period October to September, 241 second-feet

 Dec. 28 (gage height, 8.06 feet); minimum, 0.3 second-foot Sept. 11

1946-47: Maximum discharge during water year, 436 second-feet Feb. 2 (gage height, 

11.17 feet); minimum, 0.8 second-foot Aug. 27.

Remarks.- Records fair. No diversion or regulation.

Discharge, in second-feet, 1945-47 

1945-46

Day

1

2

3

4

5

6

7

8

3

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

_

-

_

_

-

_

-

-

_

-

_

_

-

-

-

.

-

-

-

-

.

-

-

12

26

46

25

21

19

20

19

NOT.

20

35

26

25

23

25

23

22

27

49

44

39

48

96

82

75

64

88

69

48

38

31

27

29

49

119

78

53

75

80

-

Deo.

64

51

57

53

61

106

69

50

41

34

37

34

30

28

26

24

23

22

21

21

26

28

42

41

31

32

49

1S7

139

86

72

Jan.

60

55

50

143

94

60

82

67

51

42

35

31

29

27

25

26

26

*27

27

26

31

56

67

98

58

43

36

34

31

31

44

Feb.

51

67

54

43

90

104

70

51

43

39

34

31

29

d28

d27

d26

d28

d26

d25

d26

d28

29

73

104

80

58

112

78

-

-

-

liar.

55

67

51

42

36

34

31

29

27

26

32

37

32

39

46

38

35

30

28

26

24

24

24

27

53

64

55

43

35

29

26

Apr.

22

23

22

21

20

19

19

24

26

67

129

80

50

38

31

28

25

24

22

22

23

20

19

18

17

17

16

17

18

17

-

May

16

15

15

14

13

13

12

12

11

11

10

10

9.8

9.6

9.2

8.8

8.4

8.2

7.8

7.8

7.6

7.8

7.5

7.4

7.6

7.8

7.5

9.4

8.0

7.5

7.6

June

7.6

8.4

8.4

8.0

8.1

10

9.2

11

11

9.3

8.8

8.2

7.4

11

15

12

10

9.2

8.6

7.8

7.1

6.6

7.2

11

10

9.3

8.7

12

15

15

-

July

14

12

11

9.2

8.4

7.4

6.8

10

9.0

7.6

7.4

6.8

6.8

6.5

7.8

7.6

6.5

6.1

5.3

5.0

5.0

4.9

4.S

4.9

4.8

4.9

4.6

4.4

4.1

4.0

4.0

Aug.

4.1

3.9

3.5

3.7

4.0

4.4

.3.8

3.7

3.7

3.5

3.5

3.5

3.7

3.7

3.4

3.4

3.1

3.0

2.8

2.5

2.5

2.2

2.1

2.1

1.9

1.9

1.8

1.7

1.7

1.9

1.9

Sept.

1.6

1.3

1.3

1.4

1.3

1.2

1.2

1.1

1.0

.8

.5

.8

1.3

1.9

3.4

3.9

2.4

2. 1

1.8

2.2

3.1

2.4

1.9

l.S

1.7

1.9

1.8

1.6

1.5

3.0

-

d Doubtful gage-height record: discharge computed on basis of partly estimated gage-feight record.
CHARLIES CREEK BASIN 

Discharge, in second-feet, of Charlies, Creek near Aberdeen, Wash. , 1945-47 Continued

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

2.2

2.8

4.4

4.3

3.9

2.6

4.0

3.8

3.2

2.8

2.5

2.4

2.5

2.4

2.2

2.0

2.2

2.1

3.8

16

9.6

14

14

42

32

23

18

16

16

16

18

Nov.

20

18

17

17

16

17

16

16

15

16

15

15

14

14

14

14

18

26

24

25

26

140

104

72

51

42

104

53

34

25

-

Dec.

21

23

47

63

50

35

37

47

43

87

216

109

96

80

64

50

39

32

27

25

24

22

19

18

17

die

d!5

d!4

d!4

d!3

d!3

Jan.

d!2

d!2

dll

dlO

dll

dll

9.8

9.2

9.2

24

21

24

21

18

17

16

15

32

34

29

31

47

79

104

233

110

63

44

36

31

27

Feb.

126

228

74

48

37

31

27

25

23

22

30

55

93

132

70

48

37

31

27

25

23

22

20

19

18

18

17

16

_

_

-

Mar.

16

16

16

15

14

14

16

16

26

39.

31

27

23

21

19

17

16

15

14

13

15

14

14

15

13

12

11

11

12

19

13

Apr.

21

17

15

17

17

16

15

17

18

27

22

20

18

16

14

14

14

16

27

22

19

17

16

14

13

12

12

13

18

14

Hay

14

14

12

11

10

9.3

8.6

8.2

8.7

8.0

7.4

7.4

6.9

6.5

5.9

6.9

5.8

8.2

9.4

6.8

5.9

5.7

5.2

5.0

4.9

4.8

4.5

4.4

3.7

3.3

3.1

June

4.3

4.6

7.5

6.5

5.2

4.4

8.6

16

18

12

9.9

8.6

7.2

6.4

6.1

12

9.2

8.0

6.8

7.5

6.4

5.9

5.5

5.0

4.8

9.3

13

9.2

7.4

6.8

July

6.4

5.9

5.2

5.7

4.9

5 4

5.7

5.5

5.5

5.4

6.6

11

9.2

7.6

8.2

7.5

6.5

5.8

5.8

5.8

5.4

4.9

5.5

8.0

7.6

7.2

5.9

7.5

6.5

5.8

5.4

Aug.

5.0

4.9

4.5

4.1

4.1

4.0

4.5

5.7

5.4

4.5

4.3

4.0

3.4

3.3

3.2

3.0

2.6

2.6

2.5

2.4

2.3

2.2

2.0

1.9

1.8

1.6

1.6

1,7

1.8

2.4

2.5

Sept.

2.2

2.0

2.0

2.0

2.0

2.9

5.2

4.8

5.8

4.5

3.9

3.8

3.8

3.8

3.9

4.3

4.0

3.9

3.8

3.8

3.8

3.7

3.7

3.7

3.4

3.5-

3.7

3.3

3.3

3.2

d Doubtful gage-height record; discharge computed on basis of partly estimated gage-height record

Monthly discharge, in second-feet, 1945-47

Month

December . . . . . . .....

May...........................

September. ....................

The pe.riod ..................

September. ....................

Water year 1946-47 ........

Secondfoot-days

188 

1,507 

1,595

1"

1,512 

1,454 

1,145 

894 

307.3 

290. 9 

211.7 

92.6 

53.3

-

290.7 

998 

1,376

8,625.5

1,151.2 

1,342 

533 

510- 

225.5 

242.1 

199.7 

99.8 

107.7

7,075.7

Maximum

46 

119

197

r

143 

112 

67 

129 

16 

15 

14 

4.4 

3.9

-

42

140

216

216

233

228 

39 

27 

14 

18 

11 

5.7 

5.8

233

Minimum

12

20 

21

-

25

25 

24 

16 

7.4 

6.6 

4.0 

1.7 

.5

-

2.0 

14 

13

.5

9.2

16 

11 

12 

3.1 

4.3 

4.9 

1.6 

2.0

1.6

Me-S,

23.5 

50.2 

51.5

-

48.8 

51.9 

36.9 

29.8 

9.91 

9.70 

6.83 

2.99 

1.78

-

9.38 

33.3 

44.4

23.6

37.1 

47.9 

17.2 

17.0 

7.27 

8.07 

6.44 

3.22 

3.59

19.4

Per 

square 

mile

4.12 

8.81 

9.04

r -

8.56 

9.11 

6.47 

5.23 

1.74 

1.70 

1.20 

.525 

.312

-

1.65 

5.84 

7.79

4.14

6.51 

8.40 

3.02 

2.98 

1.28 

1.42 

1.13 

.565 

.630

3.40

Runoff

Inches

1.23 

9.83 

10.41

-

9.87 

9.49 

7.47 

5.83 

2.00 

1.90 

1.38 

.60 

.35

-

1.90 

6.51 

8.98

56.28

7.51 

8.76 

3.48 

3.33 

1.47 

1.58 

1.30 

.65 

.70

46.17

Acre-feet

373 

2,990 

3,160

-

3,000 

2,880 

2,270 

1,770 

610 

577 

420 

184 

106

18,340

577 

1,980 

2,730

17 , 100

2,280 

2,660 

1,060 

1,010 

447 

480 

396. 

198 

314

14,030
CHEHALIS RIVER BASIN 23

Chehalis River near Doty, Wash.

Location.- Staff gage, lat. 46°37'00", long. 123°16'40", In NW£ sec. 14, T. 13 N., R. 5 

w., 1? miles upstream from Elk Creek, lj miles south of Doty, and Z\ miles north of 

Pe Ell.

Drainage area.- 113 square miles.

Records available.- October 1939 to September 1947.

Extremes.- Maximum discharge observed "during year, 9,980 second-feet Feb. 2 (gage height, 

12.28 feet); minimum observed, 29 second-i'eet Aug. 27, Sept. 4, 5, 6 (gage height, 

0.93 foot).

1939-47: Maximum discharge, 18,100 second-feet Feb. 7, 1945 (gage height, 17.80 

feet, water over gage, discharge based on observer's estimate of maximum gage height); 

minimum observed, 22 second-feet Aug. 18, 19, 20, 21, 26, 1940, but may have been 

less during period Oct. 1-3, 1939, before gage was Installed.

Remarks.- Records good. Gage read twice dally. No diversion or regulation.

Rating tables, water year 1946-47 (gage height, In feet,

and discharge, In second-feet) 

(Shifting-control method us^d Mar. 26 to June 16)

Oct. 1 to Feb. 2 Feb. 3 to Sept. 3O

1.0 39 2.5 510 6.0 2,980 

1.2 62 3.0 800 7.0 3,830 

1.4 99 3.5 1,130 8.0 4,730 

1.7 177 4.0 1,480 9.0 5,730 

2.0 281 5.0 2,180 10.0 6,880

Discharge, in second- feet, water year October

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29

30 

31

Oct.

50 

49 

52 

58 

61

57 

54 

52 

50 

49

49 

47 

45 

45 

45

43 

42 

42 

50 

410

537 

927 

800 

800 

863

678 

564 

484 

434 

510 

459

Nov.

678 

537 

434 

342 

281

262 

226 

212 

196 

196

183 

168 

157 

151 

148

143 

154 

1,760 

1,550 

1,200

1,060 

3,140 

4,370 

3,650 

2,660

2,500 

3,920 

2,340 

1,690 

1,410

Dec.

1,200 

993 

1,130 

2,740 

3,300

1,970 

1,620 

1,480 

1,760 

2,110

4,280 

3,470 

3,920 

2,980 

2,660

1,970 

1,340 

993 

800 

678

592 

537 

459 

410 

387

364 

342 

301 

301 

262 

844

Jan.

244 

237 

226 

216 

209

212 

193 

183 

187 

387

410 

364 

342 

301 

321

262 

262 

262 

564 

564

738 

927 

1,480 

3,650 

6,060

4,550 

2,180 

1,410 

993 

800 

649

Feb.

1,340 

6,280 

2,580 

1,620 

1,130

927 

800 

710 

625 

545

625 

1,760 

2,500 

4,190 

2,820

1,830 

1,270 

993 

770 

653

545 

494 

445 

398 

354

332 

312 

292

unnth SecondMonth foot-days

Oote 

Hove 

Decs

Ca

Janu 

Febi 

Hare 

Apr! 

May 

June 

Julj 

Augu 

Sept

ffa

lendar year 1946 

ary

8,406 

35,718 

45,593

245,079

1 .........................

ember .....................

29,383 

37,140 

13,130 

11,661 

4.-O66 

4,213 

2,263 

1,131 

2,499

ter.year 1946-47 .......... 195, 203

Mar.

273 

273 

312 

354 

312

292 

292 

312 

494 

1,550

1,410 

927 

710 

598 

469

421 

375 

332 

312 

292

273 

254 

254 

292 

273

2S4 

232 

215 

208 

292 

273

Maximum

927 

4,370 

4,280

5,020

6,060 

6,280 

1,550 

770 

240 

354 

116 

46 

445

6,280

Apr.

494 

545 

445 

445 

445

494 

494 

469 

519 

770

625 

545 

445 

398 

354

312 

292 

312 

312 

332

332 

292 

273 

 254 

236

225 

211 

205 

332 

254

1.0 36 2. 

1.2 65 2. 

1.4 104 3. 

1.7 185 

Note . - Same as 

ing table above

1946 to September

Hay

240 

222

808 

195 

182

176 

167 

161 

164 

152

144 

136 

131 

131 

126

118 

116 

114 

114 

109

104 

98 

94 

89 

89

85

81 

79 

81 

79 

81

Minimum

42 

143 

244

37

183 

292 

208 

205 

79 

85 

48 

30 

30

30

June

85 

96 

100 

100 

100

114 

111 

225 

354 

273

195 

164 

147 

133 

126

136 

152 

136 

126 

121

114 

104 

98 

89 

85

100 

185 

173 

150 

121

Mean

271 

1,191 

1,471

671

948 

1,326 

424 

389 

131 

140 

73.0 

36.5 

83.3

535

0 292 

5 519 

0 800

prec^d3.0 feet

1947

July

106 

98 

91 

87 

83

81 

79 

74 

69 

65

67 

116 

91 

79 

87

87 

74 

69 

65 

62

59 

55 

55 

55 

59

62 

63 

63 

62 

52 

48

Per 

square 

mile

2.40 

10.5 

13.0

5.94

8.39 

11.7 

3.75 

3.44 

1.16 

1.24 

.646 

.323 

.737

4.73

Aug.

46 

46 

46 

44

41

39 

40 

42 

41 

41

39 

39

37 

36 

35

36 

36 

36 

34 

33

32 

32 

32 

32 

32

30 

30 

30 

30 

32 

32

Sept.

30 

30 

30 

30 

30.

X 

164 

445 

312 

192

133 

104

87 

76 

67

65 

63 

59 

52 

52

48 

46 

44 

44 

42

44

44 

46 

44 

44

Runoff

Inct es

2.77 

11.76 

15.01

80.68

9.67 

12.22 

4.32 

3.84 

1.34 

1.39 

.74 

.37 

.82

64.25

Acre-feet

16,670 

70,850 

90 , 430

486,100

58,280 

73,670 

26,040 

23,130 

8,060 

8,360 

4,490 

2,240 

4,960

387,200

903681 O- 50 - 3
24 CHEHALIS RIVER BASIN

Chehalis River near Grand Mound, Wash.

Location.- Water-stage recorder, lat. 46°46'35", long. 123°02'05", in NE£ ssc. 22, T. 15 

N. , K. 3 W., at Meadow, lj miles southwest of Grand Mound and 6 miles do-«istream from 

Skookumchuck River. Datum of gage is 123.27 feet above mean sea level, datum of 1929.

Drainage area.- 897 square miles.

Hecords available.- October 1928 to September 1947.

Average discharge"?- 19 years, S.536 second-feet.

Extremes.- Maximum discharge during year, 24,200 second-feet Jan. 26 (gage height, 14.57 

feet); minimum, 138 second-feet Aug. 28, 29 (gage height, 2.27 feet).

1928-47: Maximum discharge, 48,400 second-feet Dec. 29, 1937 (gage height, 18.39 

feet); minimum, 108 second-feet Sept. 24, 1938.

Remarks.- Records good except those for periods of shifting control, which are fair, and 

those for periods of no gage-height record, which are poor. Cities of Centralia and 

Chehalis divert about 15 second-feet from Newaukum River, a tributary, for municipal 

use. No regulation.

3.3 

3.6

Rating tables, water year 1946-47, except periods of shifting 

(gage height, In feet, and discharge, In second-feet]

Oct. 1 to Jan. 26

182

258

350

460

677

950

4.0 

4.5

5.0 

5.5 

6.0 

7.0

1,360

1,910

2,510

3,160

3,820

5,220

8.O 6,670

10.0 10,400

12.0 15,500

14.0 22,000

3.0 

3.3

140

210

300

420

570

830

5.0 

5.5 

6.0

27 to Sept. 30

1,120

1,540

2,120

2,750

3,400

4,100

7.0

8.0

10.0

12.0

14.2

5,500

6,900

10,300

15,600

23,400

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

23O

230

240

240

240

230

240

250

240

230

220

220

?90

220

210

210

210

210

210

220

700

2,100

2,200

2,300

2,700

3,600

4,000

3,000

2,600

2,390

2,210

Nov.

2,770

3,030

2,390

1,910

1,580

1,390

1,290

1,220

1,130

1,050

1,000

922

846

792

747

712

703

f4,310

12,500

8,700

7,700

5,780

11,300

15,500

16,700

14,600

11,800

11,300

9^960

7,310

-

Dec.

5,780

4,800

4,380

4,660

8,000

11,000

12,000

9,000

7,500

9,500

14,400

21,300

21,300

20,200

19,500

17,000

11,800

8,130

6,220

5,080

4,240

3,680

3,100

2,700

2,450

2,270

2,210

2,030

1,800

1,690

1,580

Jan.

1,580

1,520

1,390

1,280

1,240

1,320

1,280

1,210

1,160

1,420

2,900

2,903

2,900

2,510

2,030

1,860

1,740

1,800

3,250

3,680

3,960

4,800

5,500

9,490

14,600

22.0OO

22,000

15,000

9,370

7,040

5,640

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March ..... ...................

April ..... .............. ....

May ...................... ....

June ...... .............. ....

July ..........................

August ........................

Septembe r .....................

Water year 1946 47 ..........

Feb.

5,290

14,900

23,000

16,200

9,700

6,620

5,080

4,240

3,540

3,080

2,820

3,860

6,500

10,800

12,800

10,300

7,800

6,060

4,940

4,100

3,540

3,140

2,820

2,490

2,300

2,120

2,000

1,880

_

-

Secondfoot-days

32 32O

160^942

249,300

1,204,351

158,370

181 , 92O

79,650

72,100

22,010

16,073

5 329

8^590

995,893

Mar.

1,760

1,760

1,820

2,240

2,000

1,760

1,760

1,940

2.00O

4,580

7,970

6,690

5,220

4,100

3,340

2,880

2,490

2,240

2,000

1,820

1,760

1,760

1,650

1,700

1,880

1,650

1,540

1,430

1,430

2,120

2,360

Maximum

4,000

16,700

21,300

21,300

22,000

23 ,OOO

7,970

3,960

1,300

1,000

455

234

930

23,000

Apr.

2,490

3,270

2,880

2,620

2,620

2,750

2,620

2,680

3,540

3,680

3,960

3,340

2,880

2,490

2,240

2,000

1,880

2,120

2,240

2,880

2,560

2,180

1,880

1,700

1,600

1,480

1,380

1,280

1,380

1,480

-

May

1,300

1,230

1,140

1,050

1,OOO

950

893

866

848

812

776

749

704

695

668

642

642

*U8

618

618

586

546

522

498

476

455

427

414

420

427

420

Minimum

210

703

1,580

186

1,160

1 ,' 430

1 j 280

414

354

230

140

143

140

June

402

455

483

455

462

'48

469

522

852

l.OOO

830

668

562

490

441

441

659

668

562

498

462

414

390

372

360

354

479

695

634

546

-

Mean

1,043

5,365

8,042

3,300

5,109

2*569

2,403

710

536

30O

172

286

2,728

July

455

414

396

372

354

336

324

306

280

270

265

280

318

300

280

300

318

280

265

238

234

230

234

238

246

255

250

280

360

336

275

Per

square 

mile

1.16

5.98

8.97

3.68

5.70

7.24

2.86

2.68

.792

.598

.334

192

!si9

3.04

Aug.

234

218

202

198

198

194

178

178

178

190

178

170

178

178

170

167

170

174

167

164

158

155

155

152

146

143

143

140

140

146

167

Sept.

.167

164

152

146

143

146

161

487

930

902

594

441

366

300

275

260

250

246

234

226

218

210

202

198

198

194

190

198

194

198

-

Runoff

Imhes Acre-feet

1.34 64,110

6.67 319,200

10.34 494,500

49.91 2,389,000

6.57 314,100

7.54 360,800

3.30 158,000

2.99 143,000

.91 43,660

.67 31,880

.39 18,420

.22 10,570

.36 17,040

41.30 1,975,000

Peak discharge.- Nov. 19 (12 m.) 13,60O sec.-ft.; Nov. 25 (4 p.m.) 16,700 sec.-ft.5 Dec. 12 

(5 p.m.) 22,000 sec.-ft.; Jan. 26 (lO to 11 p.m.) 24,200 sec.-ft.; Feb. 3 (9 to 10 a.m.) 24,1 

ft.; Feb. 15 (4 to 6 a.m.) 13,300 sec--ft.

f Computed on basis of partly estimated gage-height record.

100 sec.-

. .. -.

f Computed on basis of partly estimated gage-height

Note.- Ho gage-height record Oct'. 1-29, Nov. 20, 21, l);c . 5-1O; discharge computed on basis of 

recorded range In stage and records for nearby streams. Shifting-control method ussd Feb. 4-14, 

May 16 to Sept. 21.
CHEHALIS RIVER BASIN 25

Chehalls River at South Elma, Wash.

Location.- Water-stage recorder, lat. 46°49«00", long. 123°24'40", In NE^NE^ sec. 10, T. 

IV N., R. 6 W., at county bridge at South Elma, 1.1 mile downstream from Cloquallum 

Creek. Prior to Apr. 1, 1947, wire-weight gage at site 200 feet downstream at same 

datum.

Drainage area.- 1,420 square miles.

Records available.- July 1942 to December 1944 (fragmentary), October 1946 tc September 

1947.

Extremes.- Maximum discharge observed during year, 28,000 second-feet Jan. 26 (gage 

neignt, 74.62 feet); minimum recorded, 262 second-feet Aug. 29, 30, Sept. 6 (gage 

height, 55.62 feet).

1942-44, 1945-46: Maximum discharge observed, that of Jan. 26. 1947: irinimum 

observed, 202 second-feet Sept. 12, 1944 (gage height, 55.43 feet).

Tlemarks.- Records good except those for periods of shifting control, rapidly changing 

stages, or no gage-height record, which are fair. Gage read twice daily Oct. 25 to 

Mar. 31. Cities of Centralia and Chehalis divert approximately 15 second-feet from 

Newaukum River, a tributary, for municipal use. No regulation.

Rating table, water year 1946-47, except period of shifting-control 

(gage height, in feet, and discharge, in second-feet)

55.6 250 60.0 4,270 

56.0 520 62.0 6,600 

56.3 730 65.0 10,800 

57.0 1,300 68.0 15,700 

58.0 2,200 74.2 27,800

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

300 

310 

320 

320 

320

310 

320 

330 

320 

300

290 

290 

290 

290 

280

280 

280 

280 

280 

300

1,400 

2,800 

3,000 

3,100 

3,610

4,820 

5,280 

4,050 

5,400 

2,800 

2,800

Nov.

2,900 

3,720 

3,300 

2,700 

2,300

1,750 

1,840 

1,750 

1,660 

1,520

1,480 

1,390 

1,260 

1,170 

1,170

1,130 

1,750 

2,060 

6,990 

10,500

7,770 

7,900 

13,4OQ 

18,600 

20,400

20,400 

19,200 

16,800 

14,800 

11,300

Dec.

8,740 

7,640 

7,250 

8,180 

11,800

14,800 

15,400 

12,700 

10,200 

12,600

18 , 600 

20,700 

25,500 

27,800 

27,400

25,300 

22,900 

17,300 

11,800 

8,800

7,250 

6,120 

5,280 

4,490 

4,050

3,610 

3,500 

3,400 

3,000 

2,800 

2,500

Jan.

2,600 

2,600 

2,250 

2,160 

2,110

2,110 

2,110 

2,020 

1,840 

2,250

3,200 

3,610 

4,160 

3,830 

 5,200

2,900 

2,600 

2,900 

4,490 

5,520

5,520 

7,250 

9,900 

15,000 

20,700

27,800 

27,600 

27,400 

23,100 

13,700 

10,500

Month

Octc 

Move 

Dece

Cs

Jam 

Febi 

Marc 

Apri 

May 

June 

Julj 

Augl 

Sept

W:

nber ......................

lendar year 

ary

.

st ........................

ember ......... ...........

iter year 1946-47 ..........

Feb.

9,160 

18 , 300 

22,100 

24,500 

23,300

16,100 

10 , 800 

8,460 

6,990 

6,000

5,640 

6,860 

9,900 

19,200 

21,500

19,800 

15,900 

11,800 

9,020 

7,380

6,360 

4,270 

3,830 

4,380 

4,050

3,830 

3,610 

3,400

Secondfcot-days

43,070 

202,910 

361,490

-

246,930 

306,440 

122,360 

102,360 

39,136 

28,305 

18,225 

10,565 

12,857

1,494,648

Mar.

3,200 

3,200 

3,200 

3,200 

3,200

3,000 

3,000 

3,610 

3,720 

4,710

8,460 

9,600 

7,900 

6,240 

5,280

4,490 

4,050 

3,720 

3,400 

3,100

3,000 

3,000 

3., 000 

2,900 

3,000

2,800 

2,700 

2,450 

2,500 

2,900 

3,830

Maximum

5,280 

20,400 

27,800

-

27,800 

24,500 

9,600 

5,400 

2,200 

1,390 

842 

527 

1,130

27,800

Apr.

4,000 

4,200 

3,800 

3,200 

3,000

3,000 

2,900 

3,500 

4,500 

5,160

5,400 

5,040 

4,380 

3 X940 

3,500

3,200 

3,000 

3,000 

3,400 

3,610

3,720 

3,300 

3,000 

2,800 

2,600

2,4UO 

2,250 

2,110 

2,200 

2,250

May

2,200 

2,060 

1,930 

1,840 

1,750

1,660 

1,570 

1,520 

1,480 

1,390

1,340 

1,300 

1,260 

1,210 

1,170

1,170 

1,130 

1,130 

1,130 

1,090

1,050 

1,010 

970 

930 

898

858 

826 

813 

810 

810 

826

June

842 

866 

898 

930 

914

898 

898 

1,030 

1,170 

1,390

1,340 

1,170 

1,020 

930 

866

906 

946 

1,090 

994 

922

858 

826 

778 

738 

709

746 

786 

922 

1,000 

922

Minimum Mean

280 1,389 

1,130 6,764 

2,500 11,660

1,840 7,965 

3,400 10,940 

2,450 3,947 

2,110 3,412 

810 1,262 

709 944 

464 588 

262 341 

262 429

262 4,095

1947

July

842 

770 

730 

709 

681

660 

632 

611 

590 

562

555 

562 

569 

583 

583

583 

569 

562 

527 

506

478 

464 

464 

464 

492

527 

534 

576 

618 

625 

597

Per 

square 

mile

0.978 

4.76 

8.21

-

5.61 

7.70 

2.78 

2.40 

.889 

.665 

.414 

.240 

.302

2.88

Aug.

527 

478 

443 

415 

394

380 

366 

366 

373 

373

366 

366 

359 

352 

345

331 

324 

324 

/ 317 

310

304 

E98 

286 

280 

280

274 

268 

268 

268 

262 

268

Sept.

274 

280 

286 

286 

274

262 

338 

443 

874 

1,130

994 

754 

625 

548 

478

436 

415 

394 

373 

359

338 

324 

310 

304 

292

286 

286 

292 

298 

304

Runoff

Inches Acre-feet

1.13 85,430 

5.31 402,500 

9.47 717,000

-

6.47 489,800 

B.C3 607,800 

3.20 242,700 

2. £8 203,000 

1.C2 77,630 

.74 56,140 

.48 36,150 

.?8 20,960 

.34 25,500

39.15 2,965,000
26 CHEHALIS RIVER BASIN

Elk Creek near Doty, Wash.

Location.- Water-stage recorder, lat. 46°37'40", long. 123° 19"50", in NEj- sec. 8, T. 13 

«., K. 5 W., half a mile upstream from Nine Creek, 1 mile upstream from Deer Creek, 

and 2| miles west of Doty.

Drainage area.- 46.7 square miles.

Records available.- July 1942 to October 1943 (fragmentary), July 1944 to September 1947.

Extremes.- Maximum discharge during year, 1,820 second-feet Dec. 11 (gage height, 7.06 

reetj, from rating curve extended above 1,200 second-feet; minimum, 12.5 second-feet 

Aug. 26 (gage height, 1.95 feet).

1942-47: Maximum discharge, that of Dec. 11, 1946; minimum, 8.6 second-feet Sept. 9- 

11, 1944.

Remarks.- Records good. No diversion or regulation.

Rating table, water year 1946-47 (gage height, In feet, 

and discharge, In second-feet)

1.9 11 2.8 92 4.5 570 

2.0 14 3.0 128 5.0 790 

2.2 24 3.3 191 5.5 1,020 

2.4 40 3.6 263 6.0 1,270 

2.6 63 4.0 385 6.6 1,570

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

24 

21 

21 

21 

23

21 

24 

27 

23 

21

19 

18.5 

18.5 

18.5 

18

17.5 

17.5 

17.5 

19 

74

87 

84 

94 

207 

472

279 

219 

150 

122

148 

136

Nov.

200 

163 

126 

104 

89

83 

77 

73 

69 

70

64 

61 

57 

55 

52

50 

75 

426 

374 

253

209 

806 

1,200 

1,120 

678

472 

490 

402 

354 

293

Dec.

253 

240 

271 

542 

812

490 

3(34 

371 

438 

632

1,540 

1,240 

1,100 

97O 

902

632 

472 

402 

338 

299

268 

236 

209 

189 

178

171 

165 

150 

136 

128 

124

Jan.

132 

118 

109 

104 

107

115 

106 

99 

95 

161

212 

202

176 

146 

126

120 

120 

152 

248 

216

246 

243 

347 

590 

1,040

1,250 

678 

455 

357 

311 

263

Feb.

453 

1,420 

790 

490 

378

317 

271 

240 

216 

196

196 

260 

508 

1,090 

745

490 

382 

317 

271 

240

216 

198 

180 

163 

152

142 

134 

124

£££.

Octo 

Hove 

Decs

Ca

Janu 

Febr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

Wa

Isndar year 1945 ......

ary

462 

545 

262

67,055

h ......................... 4

1 ......................... 3,

ember .....................

644 

579 

139 

229 

365 

206 

673.5 

479.5 

520

ter year 1946-47 .......... 56,104

Peak discharge.- »

13:3O a.m. ) 1,57O se

ov. 23 (12:30 a.m.) 1,3 

c.-ft.; Feb. 2 (6 a.m.

Mar.

118 

118 

132 

128 

111

104 

117 

132 

140 

246

293 

238 

198 

173 

154

140 

128 

118 

111 

106

104 

106 

102 

113 

106

95 

90 

86 

89 

134 

109

Maximum

472 

1,200 

1,540

1,540

1,250 

1,420 

293 

142 

74 

67 

54 

19 

39

1,540

Apr.

126 

132 

115 

122 

122

124 

115 

124 

132 

142

132 

117 

109 

102 

95

89 

90 

109 

128 

134

115 

100 

94 

89 

84

82

76 

74 

82 

74

May

74 

7O 

63 

61 

58

56 

53 

53 

53 

51

49 

46 

43 

42 

40

40 

40 

38 

42 

42

39 

36 

33 

35 

32

30 

30 

29 

29 

29 

29

June

36 

35 

34 

34 

33

36 

36 

52

67 

58

51 

40 

36 

33 

31

53 

56 

44 

40 

40

37 

34 

31 

29 

26

36 

55 

46 

36 

31

Minimum Mean

17.5 79.4 

50 285 

124 460

14 184

95 279 

124 378 

86 134 

74 108 

29 44.0 

26 40.2 

16 21.7 

13 15.5 

13.5 17.3

13 154

1947

July

27 

2f 

2f 

24 

Z1

21 

21 

2C

18.5

18.5 

20 

19.5 

19.5 

20

22 

19 

17.5 

17.5 

17

16.5 

16,5 

16 

16.5 

17

22 

20 

54 

36 

24 

20

Per 

square 

mile

1.70 

6.10 

9.85

3.94

5.97 

8.09 

2.87 

2.31 

.942 

.861 

.465 

.332 

.370

3.30

Aug.

19 

18 

18 

17 

16.5

16.5 

16 

17 

18 

16.5

16 

16 

15 

15 

15

15.5 

15.5 

15.5 

15

14

14 

13.5 

13.5 

13.5 

13

13 

13 

13 

14 

17 

17

Sept.

15.5 

14.5 

14 

14 

14

15 

19.5 

32 

39 

30

22 

19 

18 

17 

15.5

16 

16.5 

15.5 

15 

15

14 

14 

13.5 

13.5 

13.5

13.5 

13.5 

15 

17 

15.5

Runoff

Inches

1.96 

6.80 

11.36

53.39

6.88 

8.42 

3.30 

2.57 

1.09 

.96 

.54 

.38 

.41

44.67

Acre-fest

4,880 

16,950 

28,290

133,000

17,150 

20,980 

8,210 

6,400 

2,710 

2,390 

1,340 

951 

1,030

111,300

JO sec. -ft. i Dec. 11 (5:30 p.m.) 1,82O sec. -ft.; Jan. 26 

1,570 sec. -ft.; Feb. 14 (2:3O p.m.) 1,170 sec. -ft.
CHEHALIS RIVER BASIN 27

South Fork Chehalis River at Bolstfort, Wash.

Location.- Water-stage recorder, lat. 46°32'45", long. 123°07'55", in NW^NWi ?ec. 13, T. 

12 N., R. 4 W., a quarter of a mile south of Boistfort and 6 miles upstream from mouth.

Drainage area.- 49.2 square miles.

Records available.- July 1942 to October 1943 (fragmentary), July 1944 to September 1947.

Extremes.- Maximum discharge during year, 2,720 second-feet Feb. 2 (gage heigft, 8.39 

I'eet), from rating curve extended above 1,400 second-feet; minimum, 7.5 second-feet 

Aug. 27-29 (gage height, 1.90 feet).

1942-47: Maximum discharge recorded, 4,680 second-feet Feb. 7, 1945 (g?ge height, 

11.57 feet), from rating curve extended above 1,400 second-feet; minimum, 2.5 secondfeet Sept. 14, 1944 (gage height, 1.67 feet).

Remarks.- Records good except those below 12 second-feet and those above 1,000 secondreet, which are fair. Small diversions for irrigation. No regulation.

Rating table, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

1.9 7.5 3.0 173 5.0 980 

2.1 20 3.3 263 5.5 1,220 

2.3 40 3.6 380 6.O 1,470 

2.5 68 4,0 540 6.8 1,870 

2.7 104 4.5 755 7.7 2,340

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29

30 

31

Oct.

12 

14.5 

15 

17 

16.5

16.5 

16 

17 

18 

15

13.5 

12.5 

12.5 

12.5 

12.5

12 

11.5 

12 

12.5 

40

104 

108 

132 

114 

117

117 

153 

114 

89 

98 

93

Nov.

143 

134 

104 

87 

75

65 

60 

56 

52 

49

48 

44 

41 

39 

38

37 

43 

715 

794 

408

336 

811 

1,140 

1,270 

935

845 

980 

778 

560 

432

Dec.

340 

312 

3OO 

554 

1,100

710 

540 

665 

620 

822

1,420 

1,270 

1,620 

1,370 

1,170

800 

560 

424 

344 

285

346 

212 

184 

163 

148

134 

125 

114 

106 

98 

94

Jan.

93 

87 

80 

72 

59

56 

62

66 

66 

87

134 

139 

127 

108 

94

94 

89 

94

170 

156

195 

246 

344 

932 

1,640

2,080 

912 

580 

424 

372 

296

Feb.

553 

2,320 

1,150 

620 

468

380 

320 

278 

243 

215

215 

328 

770 

1,100 

822

600 

468 

376 

356 

267

230 

206 

184 

166 

150

139 

127 

119

if~_*v. Second 

Month foot-days

Goto 

Hove 

Dece

Ca

Janu 

Febi 

Hare 

Apri 

Hay 

June 

July 

Augu 

Sept

Wa

nber ...................... le

,548 

,119 

,950

lender year 1946 ......... 83,529.4

ary . c

h.. ....................... E

1 "

ember .....................

,954 

,170 

,364 

,814 

,365 

,049 

529 

316.1 

421.2

ter year 1946-47 .......... 65,599.3

Mar.

114 

112 

141 

166 

132

119 

119 

125 

186 

520

520 

388 

304 

250 

212

181 

160 

146 

134 

123

119 

112 

104 

127 

117

102 

96 

91 

93 

134 

117

Maximum

153 

1,270 

1,620

1,670

2,080 

2,320 

520 

227 

78 

82 

24 

12.5 

46

2,320

Apr.

125 

136 

123 

130 

136

156 

143 

148 

173 

227

227

200 

173 

153 

136

123 

114 

110 

114

117

102 

94 

89 

85 

82

76 

71 

70 

96 

85

May

78 

70 

64 

62 

60

58 

54 

53 

52 

49

48 

46 

46 

45 

44

43 

41 

40 

39 

39

37 

34 

32 

31 

30

28 

28 

28 

29 

29 

28

June

33 

40 

36 

34 

36

36 

32

37 

82 

66

48 

41 

37 

33 

30

33 

41 

34 

31 

29

28 

25 

24 

24 

22

23 

32 

31 

27 

24

Minimum Mean

11.5 49.9 

37 371 

94 547

7.5 229

56 321 

119 470 

91 173 

70 127 

28 44.0 

22 35.0 

13 17.1 

7.5 10.2 

8.0 14.0

7.5 180

1947

July

23 

21 

20 

21 

19.5

18.5 

18.0 

18 

17 

16

15 

20 

20 

17 

16.5

17 

16.5 

15 

14.5 

13.5

13 

13 

13 

13 

13.5

15 

16.5 

19.5 

24 

18 

13.5

Per 

square 

nile

1.01 

7.54 11.:

4.65

6.52 

9.55 

3.52 

2.58 

.894 

.711 

.348 

.207 

.285

3.66

*ug.

12.5 

12.5 

11.5 

11 

11

11 

11 

10.0

11 

11

11 

11 

11.5 

10.0 

10.0

10.0 

10.0 

10.0 

9.7 

9.2

9.2 

9.2 

9.7 

9.7 

9.7

9.2 

7.5 

8.0 

8.0 

10.0 

11

Sept.

10.0 

10.0 

8.6 

9.2 

8.6

8.6 

16.5 

46 

46 

40

24 

16.5 

14.5 

12.5 

12

11 

10.0 

10.0 

9.7 

9.2

9.2 

9^2 

4.6 

3.6 

8.0

8.0 

8.6 

9.2 

9.2 

9.7

Runoff

Inches

1.17 

8.40 

12.81

63.13

7.52 

9.96 

4.05 

2.8") 

1.03 

.79 

.40 

.24 

.3?

49.57

Acre-feet

3,070 

22,050 

33,620

165,700

19,740 

26,120 

10,640 

7,560 

2,710 

2,080 

1,050 

627 

835

130,100

Peak discharge.- Jan. 26 (3:30 a.m.) 2,610 sec.-ft.; Feb. 2 (2 p.m.) 2,720 see.-ft
28 CHEHALIS RIVER BASIN 

Newaulcum River near Onalaska, Wash.

Location.- Water-stage recorder, lat. 46°34'35", long. 122°41'00", on line between sees. 

zu ana 33, T. 13N..R. IE.,0.9 mile upstream from Lost Creek and if miles east of 

Onalaska.

Drainage area.- 40.8 square miles.

Records available.- July 1942 to October 1943 (fragmentary), July 1944 to September 1947.

Extremes.- Maximum discharge during year, 3,810 second-feet Dec. 11 (gage height, 8.40 

reet); minimum, 28 second-feet Aug. 25-28, Sept. 5, 6.

1942-47: Maximum discharge, that of Dec. 11, 1946; minimum, 21 seccnd-feet Sept. 6, 

8-12, 1944.

Remarks.- Records excellent except those for periods of shifting-control, which are good, 

and those for periods of no gage-height record, which are fair. No diversion*or 

regulation.

Discharge, in second-feet, water year October 1946 to September 1J47

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26

27 

28 

29 

30 

31

Oct.

38 

34 

34 

49 

47

38 

55 

48 

40 

37

35 

34 

34 

34 

33

33

33 

32 

40 

212

167 

181 

258 

444 

962

696 

449 

265 

239 

252 

249

Nov.

337 

252 

204 

172 

153

158 

148 

134 

124 

126

111 

103 

98 

92 

87

82 

208 

1,210 

S96 

362

268 

486 

391 

440 

449

472 

564 

417 

330 

262

Dec.

216 

196 

180 

289 

696

496 

374 

374 

456 

1,420

3,060 

1,850 

1,610 

1,500 

1,350

827 

594 

467 

395 

333

300 

268 

242 

222 

207

204 

194 

180 

168 

158 

155

Jan.

150 

141 

134 

130 

132

130 

126 

122 

122 

250

300 

260 

220 

170 

150

135 

130 

225 

320 

270

310 

340 

500 

800 

1,400

1,150 

700 

470 

390 

330 

292

Month

Goto 

Nove 

Dece

Ca

Janu 

Febr 

Hare 

Apri 

Hay 

June 

July 

Augu 

Sept

Wa

mber ......................

lendar year 1946 

ary

ember .....................

ter year 1946-47 ..........

Feb.

562 

1,380 

748 

515 

404

341 

303 

275 

252 

236

239 

246 

318 

440 

426

341

286 

252 

230 

213

199 

185 

178 

168 

160

155 

148 

144

Seoondfoot-days

5,102 

8,936 

18,981

89,245

10,299 

9,344 

6,049 

7,455 

2,326 

2,193 

1,348 

979 

1,543

74,555

Mar.

139 

146 

198 

196 

168

170 

168 

175 

218 

559

555 

353 

272 

233 

204

185 

168. 

153 

144 

134

146 

148 

134 

148 

134

126 

117 

113 

120 

160 

165

Maximum

962 

1,210 

3,060

3,060

1,400 

1,380 

559 

463 

124 

118 

70 

36 

191

3,060

Apr.

307 

252 

210 

216 

246

262 

233 

342 

386 

400

330

275 

236 

210 

188

170 

263 

289 

463 

404

296 

233 

199 

178 

162

153 

144 

139 

141

128

May

124 

117 

109 

105 

100

96 

92 

90 

92 

84

80 

77 

75 

72 

70

72 

70 

69 

70 

66

63 

60 

57 

53 

52

51 

51 

53 

53 

52 

51

Minimum

32 

82 

155

32

122 

144 

113 

128 

51 

44 

34 

28 

28

28

June

56 

59 

59 

56 

56

57 

63 

94 

118 

107

87 

70 

62 

56 

51

112 

102 

82 

72 

62

55 

51 

49 

46 

44

72 

113 

117 

90 

75

Mean

165 

298 

612

245

332 

334 

195 

248 

75.0 

73.1 

43.5 

31.6 

51.4

204

July

66 

59 

56 

53 

49

47 

43 

42 

40 

39

42 

42 

40 

39 

55

43 

39 

37 

36 

35

34 

34 

35 

36 

38

38 

37 

70 

48

37

Per 

square 

mile

4.04 

7.30 

15.0

6.00

8.14 

8.19 

4.78 

6.08 

1.84 

1.79 

1.07 

.775 

1.26

5.00

Aug.

36 

36 

36 

36 

34

33 

33 

33 

33 

32

33 

33 

31 

31 

32

33

32 

31 

30 

29

29 

29 

29 

29 

28

28 

28 

29 

29 

33 

31

Sept.

29 

29 

29 

29 

28

31 

86 

153 

191 

107

74 

62 

52 

47 

44

46 

42 

40 

39 

38

37 

36 

35 

34 

34

34 

34 

35 

34 

34

Runoff

Inches

4.65 

8.15 

17.30

81.36

9.39 

8.52 

5.51 

6.80 

2.12 

2.00 

1.23 

.89 

1.41

67.97

Peak discharge.- Nov. 18 (3:15 p.m.) 1,910 sec. -ft.; Dec. 11 (9 a.m.) 3,810 sec. -ft.;

Ac re- feet

10,120 

17,720 

37,650

177,000

20, 430 

18,530 

12,000 

14,790 

4,610 

4,350 

2,670 

1,940 

3,060

147,900

Feb. 2

(7 a.m.) 1,910 sec.-ft.

Note.- No gage-height record Jan. 10-30; discharge computed on basis of recorded range in stage 

and records for Skookumchuek River near Centralia. Shifting-control method used Oct. 26 to Mar. 11, 

June 6 to Sept. 30.
CHEHALIS RIVER BASIN 

Newaukum River near Chehalis, Wash.

29

Location.- Staff .gage, lat. 46°36'10", long. 122°56'45", ^n line between sees. 9 and 16, 

T. 13 N., R. 2 W., 2.2 miles southeast of Chehalis and 3.4 miles upstream from mouth.

Drainage area.- 159 square miles.

Records available.- March 1929 to September 1931, July 1942 to September 1947.

Extremes.- Maximum discharge observed during year, 5,400 second-feet Dec. 11 (gage height, 

J.2.5U feet), from rating curve extended above 2,800 second-feet on basis of velocityarea studies and logarithmic plotting; minimum observed, 34 second-feet Aug. 26, 27 

(gage height, 1.04 feet).

1929-31, 1942-47: Maximum discharge observed, that of Dec. 11, 1946; minimum observed, 27 second-feet Sept. 23, 1930.

Remarks.- Records good except those for period of shifting control, which are fair. Gage 

read twice daily except Oct. 29, Mar. 1, 29, June 22, when gage was read once daily. 

Cities of Chehalis and Centralia divert about 15 second-feet for municipal use. No 

regulation.

Rating table, water year 1946-47, except period of shifting control 

(gage height, in feet, and discharge, in second-feet)

1.0 32 2.0 188 4.0 835 8.O 2.7OO 

1.2 45 2.5 323 5.O 1,24O 9.0 3,260 

1.4 66 3.O 48O 6.O 1,700 10.0 3,83O 

1.7 119 3.5 655 7.0 2,20O 11.6 4,810

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

Z

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

69 

61 

52 

75 

97

88 

97 

81 

70 

62

59 

56 

54 

52

51

50 

50 

49 

56 

176

280 

383 

655 

1,080 

1,320

955 

690 

620 

550 

725 

550

Nov.

620 

550 

480 

447 

399

353 

323 

308 

280 

252

226 

252 

239 

213 

200

176 

480 

3,200 

2,920 

1,120

1,500 

2,500 

2,050 

1,900 

1,750

1,600 

1,460 

1,240 

1,040 

915

Dec.

760 

690 

760 

1,420 

1,700

1,500 

1,320 

1,240 

1,200 

2,350

4,810 

4,310 

3,420 

2,870 

2,250

1,370 

1,280 

1,280 

995 

760

655 

515 

480 

447 

415

399 

383 

353 

323 

308 

294

Jan.

266 

252 

239 

226 

239

252 

226 

239 

308 

447

690 

725 

690 

585 

480

383 

308 

323

447 

725

1,080 

1,280 

1,750 

2,980 

3,310

3,650 

2,450 

1,460 

1,080 

1,040 

915

Feb.

1,160 

4,430 

3,090 

1,500 

875

760 

655 

620 

585 

550

515 

690 

1,240 

1,500 

1,280

1,040 

875 

725 

620 

550

480 

415 

368 

353 

338

323

308 

294

Month

Octo 

Hove 

Deee

Ca

Janu 

Febr 

Marc 

Apr! 

Mav

June 

July 

Augu 

Sept

Wa

ber. ....................................

lendar year 1946

1.......................................

ter year 1946-47 .......................

Mar.

280 

3364 

447 

415 

383

353 

308 

266 

515 

1,080

1,500 

1,080 

795 

655 

550

515 

447 

368 

353 

308

294 

480 

655 

585 

480

415 

368 

323 

294 

a474 

a655

Apr.

835 

725 

585 

585 

550

655 

550 

655 

1,080 

995

835 

690 

585 

480 

415

368 

383 

585 

835 

835

620 

515 

415 

383 

338

308 

280 

266 

294 

252

Secondfoot-days

9,213 

28,993 

40,857

218,742

29,045 

26,139 

16,005 

16,897 

4,033 

3,447 

2,114 

1,302 

2,140

180,185

May

239 

226 

200 

188 

176

176 

164 

152 

152 

152

141 

137 

132 

128 

123

121 

123 

119 

117 

109

105 

99 

97 

90 

85

81 

80 

81 

81 

81 

78

Maximum

1,320 

3,200 

4,810

4,810

3,650 

4,430 

1,500 

1,080 

239 

200 

105 

54 

252

4,810

June

81 

90 

88 

88 

88

95 

88 

121 

200 

176

123 

109 

97 

95 

83

115 

188 

141 

128 

109

97 

88 

88

81 

74

90 

176 

188 

141 

121

July

105 

94 

88 

83 

78

75 

72 

66 

62 

61

64 

75 

65 

61 

72

75 

61 

56 

54 

53

50 

49 

51 

53 

61

64 

59 

83 

92 

63 

64

Aug.

54 

50 

49 

49

47

44 

44 

44 

45 

44

44 

45 

44 

42 

42

44 

44 

42 

40 

38

37 

37 

37 

36 

36

34 

34 

35 

37 

39 

45

Sept.

39 

37 

37 

36 

36

37 

72 

213 

252 

176

121 

95 

80 

70 

64

61 

61 

56 

54 

52

50

49. 

49 

49 

47

49 

49 

49 

50 

50

Mini, Hear *£**£

49 297 18,270 

176 966 57,510 

294 1,318 81,040

44 599 433,900

226 937 57,610 

294 934 51,850 

266 516 31,750 

252 563 33,510 

78 13C 8,000 

74 llf 6,840 

49 6F.2 4,190 

34 4F.O 2,580 

36 71.3 4,240

34 494 357,400

a No gage-height record; discharge interpolated.

Note.- Oct. 21, 24-26, 30, Nov. 17-23, Dec. 5, 9-16, Jan. 21, 26-28, Feb. 1-4, Mar. 9, 10, 

computed from graph based on gage readings. Shifting-control method used Sept. 9-30.
30 CHEHALIS RIVER BASIN

Skookumchuck River near Centralia, Wash.

Location.- Water-stage recorder, lat. 46°"47 I 15", long. 122°42'45", in SW£NW£ sec. 17, T. 

ib M., R. IE., half a mile upstream from Bloody Run Creek, 4j miles upstream from 

Thompson Creek, and 12 miles northeast of Centralia. Datum of gage is 300.0 feet above 

mean sea level (river-profile survey).

Drainage area.- 60 square miles.

Records available.- April 1929 to September 1931, October 1939 to Septembe- 1947.

Extremes.- Maximum discharge during year, 3,880 second-feet Dec. 11 (gage height, 46.27 

feet); minimum, 25 second-feet Aug. 26-28, Sept. 3, 4, 6.

1929-31, 1939-47: Maximum discharge, that of Dec. 11, 1947; minimum, 18 second-feet 

Oct. 27-30, 1944.

Remarks.- Records good except those for periods of shifting control, which are fair. No 

diversion or regulation.

Rating tables, water year 1946-47, except periods of shifting control- 

(gage height, in feet, and-discharge, In second-feet)

Oct. 1 to Feb. 13 Feb. 14 to Sept. 30

39.8 24 41.1 305 43.5 1,730 39.6 21 

40.0 41 41.5 493 44. O 2.08O . 39.8 35 

40.2 62 42.0 765 44.7 2,600 4O.O 55 

4O.5 105 42.5 1,060 45.4 3,160 40.2 80 

40.8 186 43.0 1,380 4O.5 129

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

.21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

41 

33 

32 

35 

49

37 

45 

48 

38 

33

32 

30 

30 

30 

29

29 

28 

28 

35 

179

177 

197 

255 

231 

600

493 

395 

255 

201 

231 

281

Nov.

488 

331 

243 

197 

170

163

150 

134 

118 

120

109 

102 

95 

91 

87

84 

21O 

1,520 

940 

556

419 

1,030 

1,060 

1,030 

880

820 

940 

765 

594 

483

Dec.

414 

386 

409 

961 

1,620

910 

704 

710 

765 

1,420

3,160 

2,010 

2,010 

1,870 

1,660

1,000, 

738 

572 

463 

369

314 

276 

235 

197 

176

166 

153 

131 

118 

109 

105

Jan.

100 

91 

85 

81 

85

87 

80 

77 

74 

199

227 

212 

166 

129 

111

105 

98 

225

433 

314

395 

443 

714 

1,530 

2,700

2,000 

1,030 

710 

567 

478 

409

Feb.

773 

2,460 

1,030 

661 

509

419 

363 

331 

301 

271

2SO 

362 

701 

910 

704

555 

455 

392 

342 

295

263 

232 

215 

198 

184

173 

163 

154

u» » + v. Sscond 

Month foot-days

Octc 

Hove 

Dece

Ca

Janu 

Febi 

Marc 

Apr! 

May 

June 

July 

Augu 

Sept

Wa

mber ......................

lendar year 1946

£LX*y

. . 1

ember .....................

4,157 

13,929 

24,131

13,078

13,955 

13,696 

7,025 

7,592 

2,200 

1,937 

1,321 

904 

1,141

ter year 1946-47 .......... 91,988

Mar.

147 

149 

195 

211 

176

163 

163 

163 

201 

646

699

500 

396 

328 

275

239 

215 

193 

173 

166

161 

166 

149 

166 

151

143 

131 

125 

125 

161 

149

Maximum

600 

1,520 

3,160

3,160

2,700 

2,460 

699 

470 

116 

103 

65 

35 

125

3,160

Apr.

321 

333 

271 

251 

239

251 

235 

305 

382 

470

440 

364 

299 

251 

215

190 

195 

181 

334 

351

279 

228 

195 

176 

159

143 

135 

129 

145 

125

May

116 

106 

103 

98 

92

90 

88 

84 

84 

80

79 

77 

74 

71 

68

68 

67 

65 

 66 

62

59 

56 

55 

53 

52

50 

48 

48 

48 

47 

46

June

48 

53 

47 

45 

45

44 

50 

74 

95 

92

74 

62 

55 

52 

50

84 

95 

a80 

65 

60

55 

52 

50 

45 

44

73 

103 

95 

80 

71

Minimum Mean

28 134

84 464 

105 778

27 310

74 450 

154 489 

125 227 

125 253 

46 71.0 

44 64.6 

35 42.6 

25 29.2 

25 38.0

25 252

Peak discharge.- Nov. 18 (2:30 p.m.) 2,360 see. -ft.; Dec. 5 (2 a.m.) 2

40. 8 201 

41.1 315 

41.5 505 

42.0 765 

42.3 940

1947

July

es

£6 

E4 

El 

47

45 

44 

42 

41 

40

42 

46 

41 

40 

48

44 

40 

38 

37 

36

26 

35

*c;

35

TQ

37 

36 

56 

44 

37 

35

Per 

square 

mile

2.23 

7.73 

13.0

5.17

7.50 

8.15 

3.78 

4.22 

1.18 

1.08 

.710 

.487 

.633

4.20

08O sec

Aug.

35 

33 

33 

33 

32_

31 

30 

31 

31 

30

31 

33 

31 

29 

29

31 

29 

28 

27 

27

27 

27 

26 

26 

26

25 

25 

25 

26 

29 

28

Sept.

26 

26 

25 

25 

26

26 

48 

110 

125 

77

54 

43 

38 

35 

33

33 

32 

31 

29 

29

28 

27 

27 

27 

27

27 

27 

27 

27 

26

Runoff

Inches

2.58 

8.63 

14.96

70.08

8.65 

8.49 

4.35 

4.71 

1.36 

1.20 

.82 

.56 

.71

57.02

Acre-feet

8,250 

27,630 

47,860

224,300

27,68O 

27,170 

13,930 

15,060 

4,360 

3,840 

2,620 

1,790 

2,260

182,400

-ft.; Dee. 11

(10:30 a.m. ) 37880 sec.-ft.; Jan. 24 (ll a.m.) 1,840 sec.-ft.; Jan. 25 (l p.m.) 3,640 sec.-ft.; 

Feb. 2 (6 a.m.) 3,640 sec.-ft.

a No gage-height record; discharge interpolated.

Note.- Shifting-control method used Oct. 27 to Nov. 18, Dec. 15 to Jan. 25, Feb. 2-13.
CHEHALIS RIVER BASIN 

Lincoln Creek near Rochester, Wash.

31

Location.- Water-stage recorder, lat. 46°44'10", long. 123°10'40", in SW&SW£ sec. 34, T. 

lit K., R. 4 W., If miles downstream from confluence of North and South Porks and 7 

miles southwest of Rochester. Prior to Apr. 1, 1947, staff gage at same site and 

datum.

Drainage area.- 20.9 square miles.

Records available.- July 1942 to October 1943 (fragmentary), June 1944 to September 1947.

Extremes.- Maximum discharge observed during year, 923 second-feet Jan. 25 (gage height, 

J.3.50 feet); minimum discharge, 0.8 second-foot Aug. 7 (gage height, 0.89 foot).

1942-47: Maximum discharge observed, that of Jan. 25, 1947; minimum observed, 0.4 

second-foot Aug. 23, 1945.

Remarks.- Records good except those for periods of shifting control, which are fair. Gage 

read twice daily Oct. 1 to Mar. 31. No regulation. Small diversion during summer for 

Irrigation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

3.6

2.9

2.9

2.9

3.0

3.0

2.7

3.2

' 3.4

2.3

2.3

2.3

2.3

2.3

2.0

1.8

2.0

2.1

3.4

17.5

17

20

24

g50

g90

g63

51

40

33

38

31

Nov.

63

50

42

35

30

28

24

22

20

22

19

17.5

16.5

16

15.5

15.5

g24

g!25

g!05

85

g81

g!90

g428

g630

432

344

g313

g229

g!96

154

-

Dec.

130

120

gllO

g222

313.

222

g!72

172

222

g306

g571

g508

g640

g544

448

g306

g215

166

130

gllO

85

76

68

59

55

51

44

38

35

31

30

Jan.

30

27

25

22

25

24

22

20

19.5

35

46

59

51

44

40

38

38

g72

95

95

105

H0

\1z

g336

g740

g660

g360

g229

g!66

130

105

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January ....

February ......................

March .........................

April .........................

may ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

gl84

g610

g328

g!90

136

125

105

g90

76

68

68

95

g236

g400

g384

g264

g!78

148

120

105

90

76

68

59

55

51

48

44

-

-

Seoondfoot-days

524.9

3,772.0

6,199

27,894.7

3,940.5

4,401

1,671

1 495 '539.0 336 7

20l!o

50.6

82.4

23,213.1

Mar.

42

42

44

42

38

36

40

40

55

115

120

100

90

81

72

63

55

51

48

44

46

42

40

44

40

38

33

32

32

59

47

Maximum

90

630

640

640

740

610

120

71

18

19 E

3^4

12.5

740

Apr.

f51

51

49

61

59

59

55

65

65

71

65

61

57

53

49

45

46

47

59

55

49

45

41

39

37

34

32

32

33

30

Hay

29

27

26

25

24

22

22

21

20

19.5

19

19

18.5

18

17.5

17.5

17

16.5

17

16

15

13.5

12.5

11.5

11

10.5

10

10.5

11.5

11

10.5

Minimum

1*8

15.5

30

1.4

19 44' 5

32

30

10

5.6

1.0 

.9

.9

.9

June

13.5

12

12

11.5

12

15

12

16

18

14.5

12

10.5

9.4

8.9

8.9

13

12

10

9.4

9.4

8.9

7.8

7.2

6.7

5.6

10

15

12.5

12.5

10.5

Mean

16 . 9

126

200

76 4

127

15753 9

49. 8

17.4

11.2 6 48

1 63

2!?5

63.6

July

8.9

8.9

8.4

8.4

7.8

7.8

7.8

6.7

6.7

6.7

6.2

8.4

5.6

5.2

5.6

7.2

3.9

3.9

4.3

6.2

2.6

1.0

1.1

1.1

1.1

3.9

3.4

19.5

16.5

11

5.2

Per 

square 

mile

809

6. 03

9.57

3. 66

6. 08

7.51

2 58

. 833

.536

.310

 078

.132

3.04

Aug.

2.6

1.2

1.3

1.3

1.0

1.0

.9

2.6

3.4

2.2

1.7

3.0

2.6

2.2

1.7

3.0

2.2

1.7

1.3

1.3

1.3

1.2

L.I

1.2

1.0

.9

L.O

.9

1.3

1.2

1.3

Sept.

1.2

.9

' 1.0

1.0

1.1

1.2

4.7

12.5

10.5

8.9

5.2

3.9

3.0

2.6

2.2

2.2

2.6

1.7

1.3

1.2

1.2

1.1

1.1

1.0

.9

1.1

1.1

1.3

3.0

1.7

Runoff

Incl es

6 71

Il!o3

49. S3

7.01

2^97

. 96

.60

.36 

.09

.15

41.30

Acre- feet

1,040

7,480

12,300

55,330

7 , 820

8,730

3,310 

2,970

1,070 

668

399

100

163

46,050

f Computed on basis of partly estimated gage-height record.

g Computed from graph based on gage readings.

Note.- Shifting-control method used Oct. 1 to Mar. 26, June 29 to Aug. 8, Aug. 22 to Sept.
32 CHEHALIS RIVER BASIN

Black River at Little Rock, Wash.

Location.- Water-stage recorder, lat. 46°54'10", long. 123°01'20", in NE^SV'i sec. 2, T. 

ib n., R. 3 W., at bridge crossing in Little Rock 0.4 mile upstream from Beaver Creek.

Drainage area.- 64 square miles.

Records available.- July 1942 to October 1943 (fragmentary), June 1944 to September 1947.

Extremes.- Maximum discharge during year, 1,220 second-feet Jan. 25; msximi-m gage height, 

BTSTTTeet Jan. 26; minimum discharge, 9.1 second-feet Aug. 25-29, Sept. 1. 4-6.

1942-47: Maximum discharge, that of Jan. 25, 1947; minimum observed, 5.3 secondfeet Sept. 9, 1944 {gage height,'1.30 feet).

Remarks.- Records good except those for periods of shifting control, which are fair. No 

diversion or regulation.

Rating tables, water year 1946-47, except periods of shifting oontr-)! 

(gage height, In feet, and discharge, In second-feet;

Oct. 1 to Dec. 10 Dec. 11 to Sept. 30

1.4 9.9 2.6 169 1.7 8.6 2.9 146 5.0 680 

1.6 24 2.9 231 1.9 19 3.2 2OO 5.5 830 

1.8 46 3.2 300 2.1 35 3.6 296 6.0 a8U 

2.0 70 3.6 405 2.3 58 4.0 400 6.5 1,130 

2.3 115 4.1 545 2.6 100 4.5 536

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4

5

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

14 

12 

12 

12 

13

13 

14 

15 

14 

12

12 

12 

11 

11 

11

11 

10 

10 

13 

54

60 

66 

55 

80 

130

106 

93 

67 

56 

52 

49

Nov.

70 

63 

52 

44 

38

35 

33 

33 

30 

32

28 

26 

24 

23 

22

21 

32

98 

105 

98

89 

176 

339 

526 

511

463 

406 

364 

295 

226

Dec.

182 

162 

143 

165 

239

219 

194 

224 

245 

428

'710 

770 

860 

830 

800

680 

564 

468 

387 

335

286 

278 

222 

202 

186

176 

169 

167 

151 

143 

138

Jan.

138 

132 

126 

121 

122

133 

126 

121 

120 

164

180 

190 

175 

151 

135

126 

124 

143 

 198 

196

220 

244 

374 

650 

950

1,120 

950 

770 

606 

494 

414

Feb.

414 

785 

770 

650 

522

440 

374 

322 

291 

261

258 

284 

387 

636 

636

536 

440 

374 

322 

284

251 

229 

209 

194 

182

173 

162 

156

u«.«h Second 

Honth foot-days

Octc 

Hove

Dace

Ca

Janu 

Febr 

Kara 

Apri 

Hay 

June 

Julj 

Augu 

Sept

Wa

mber ...................... 10

,100 

,302 

,723

lendar year 1946 ......... 58 ,378

ary ........ 9

1 ......................... 3

ember .....................

,713 

,542 

,787 

,612 

,601 

027 

507 

358 

412.2

ter year 1946-47 .......... 48,684.2

Mar.

149 

149 

160 

157 

149

143 

149 

166 

176 

241

264 

234 

204 

184 

167

157 

149 

141 

135 

130

132 

132 

128 

138 

133

126 

116 

112 

110 

130 

126

Maximum

130 

526 

860

860

1,120 

785 

264 

167 

96 

66 

21 

15 

38

1,120

Apr.

132 

128 

121 

127 

124

121 

116 

135 

157 

167

157 

143 

132 

121 

114

106 

109 

110 

136 

138

126 

114 

106 

103

97

92 

88 

88 

106 

98

May

96 

88 

81

75 

72

68 

67 

64 

62 

59

56 

54 

53 

51 

50

50 

47 

47 

47 

44

13 

59 

37 

35 

32

32 

30 

30 

31

31 

30

June

33 

44 

38 

40 

42

40 

38 

57 

66 

50

39 

35 

30 

29 

29

43 

40 

33 

30 

26

25 

24 

23 

21 

20

29 

30 

27 

24 

22

Minimum Mean

10 35 . 5 

21 143 

138 346

9.5 160

120 313 

156 376 

110 154 

88 120 

30 51.6 

20 34.2 

12 16.4 

10 11.5 

9.1 13.7

9.1 133

July

20 

19 

19 

19 

18

17 

16

15 

15 

15

15 

19 

17 

15 

16

16 

15 

13 

13 

12

13 

12 

12 

15 

17

20 

19 

21 

21

17 

0.6

Per

square 

Bile

0.555 

2.23 

5.41

2.50

4.89 

5.88 

2.41 

1.88 

.806 

.534 

.256 

.180 

.214

2.09

Aug.

15 

14 

13 

13 

12

12 

12 

13 

13

12

13 

13 

13 

12 

11

11 

11 

11 

11 

11

10 

10 

10 

10 

10

10 

10 

10 

10 

11 

11

Sept.

11 

11 

10 

9.1 

9.1

10 

17 

30 

38 

26

19 

15 

13 

13 

12

11 

11 

11 

11 

11

11 

11 

11 

11 

11

11 

11 

12 

13 

12

Runoff

Inches

O.B4

2 50 

6.23

33.92

5.64 

6.13 

2.7b 

2.10 

.93 

.60 

.29 

.21 

.24

20.29

Acre-feet

2,180 

8,530 

21,270

115,800

19,270 

20,910 

9,490 

7,160 

3,180 

2,040 

1,010 

710 

818

96,570

Note.- Shifting-control method used Oct. 1 to Jan. 26.
CHEHALIS RIVER BASIN 33

Rook Creek at Cedarville, Wash.

Location.- Water-stage recorder, lat. 46°52'05", long. 123°18'25", in SWfc3W£ sec. 15, T. 

 16 N.. R. 5 W., 0.2 mile dovmstream from Williams Creek, 1 mile west of Cedarville, 

and It miles upstream from mouth.

Drainage area.- 24.8 square miles.

Records available.- July 1942 to October 1943 (fragmentary), June 1944 to September 1947.

Extremes.- Maximum discharge during year, 1,310 second-feet Feb. 2 (gage height, 11.72 

reet), from rating curve extended above 800 second-feet; minimum, 1.5 second-feet 

Sept. 26.

1942-47: Maximum discharge, 1,440 second-feet Feb. 7, 1945 (gage height, 12.55 

feet), from rating curve extended above 500 second-feet; minimum, 0.3 second-foot 

Sept. 25, 1946.

Revisions.- The maximum discharges for the water years 1945 and 1946 hive been 

revised to 1,440 second-feet Feb. 7, 1945 (gage height, 12.55 feet), and 1,000 secondfeet Dec. 28, 1945 (gage height, 10.04 feet], superseding figures published in WaterSupply Papers 1042 and 1062, respectively,

Remarks.- Records good except those below 15 second-feet and those for period of no gageheight record, which are fair. No diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Dsy

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

1.6 

1.6 

1.9 

2.1 

2.8

2.3 

2.5 

3.O 

2.8 

2.3

2.2 

2.1 

1.8 

1.8 

1.8

1.8 

1.8 

1.7 

2.3 

20

27 

24 

23 

52 

84

49 

31 

21 

18 

20 

20

Nov.

40 

35 

27

22 

18

17 

15 

12 

11 

12

12 

10 

9.7 

9.4 

8.7

8.4 

15 

110 

96 

77

75 

278 

408 

554 

326

246 

272 

240 

182 

145

Dec.

123 

114 

110 

228 

347

234 

176 

201 

240 

417

760 

547 

517 

445 

375

286 

220 

176 

148 

127

111 

96 

86 

7O 

60

57 

54 

47 

42 

40 

39

Jan.

42 

36 

33 

31 

32

35 

32 

29 

28 

55

76 

101 

95 

80 

68

62 

58 

82 

164 

148

151 

170 

269 

520 

969

748 

361 

240 

182 

152 

126

Month

Goto 

Hove 

Deoe

Ca

Janvj 

Febt 

Hare 

Apri 

May 

June 

Julj 

Augu 

Sept

We

Bber ......................

lendar year 1948 .........

lary

ember .....................

ter year 1946-47 ..........

Feb.

229 

984 

409 

260 

188

152 

129 

110 

95 

84

83 

98 

193 

583 

392

246 

188 

152 

128 

110

95 

84 

76 

68 

62

58 

53 

49

Secondfoot-daye

429.2 

3,291.2 

6,493

30,249.2

5,175 

5,358 

2,034 

2,042 

454.5 

362.7 

166.1 

86.9 

98.9

25,991.5

Mar.

46 

46 

47 

43 

39

37 

46 

61 

64 

154

176 

140 

116 

98 

84

75 

67 

61 

56 

51

51 

50 

46 

47 

43

39 

37 

35 

37 

69 

73

Maximum

84 

554 

760

760

969 

984 

176 

112 

32 

28 

11 

4.5 

10

984

Apr.

75 

83 

79 

90 

84

83

78 

88 

94 

112

110 

101 

89 

79 

70

63 

58 

55

64 

64

55 

51 

47 

47 

41

38 

35 

34 

41 

34

llay

32 

28 

26 

24 

22

21 

20 

19 

18 

17

16 

15 

14 

14 

14

14 

13 

12 

14 

12

11 

9.7 

9.1 

8.1 

7.8

7.1 

6.5 

7.1 

7.8 

7.5 

7.8

Miniaum

1.6 

8.4 

J9

.4

28 

49 

35 

34 

6.5 

6.0 

3.2 

1.6 

1.6

1.6

June

14 

13 

12 

15 

12

13 

12 

23 

28 

21

15 

12 

9.7 

8.1 

7.5

13 

14 

10 

9.1 

10

9.1 

8.1 

771 

6.5 

6.0

10 

14 

13 

9.7 

7.8

Mean

13.8 

110 

209

82.9

167 

191 

65.6 

68.1 

14.7 

12.1 

5.36 

2.80 

3.30

71.2

July

6.2 

5.5 

5.0 

5.0 

4.2

4.0 

3.8 

3.7 

3.5 

3.5

3.2 

6.0 

4.0 

4.5 

6.5

7.8 

6.2 

5.8 

5.5 

5.2

4.8 

4.2 

3.8 

4.0 

4.5

5.0 

4.8 

10 

11 

8.4 

6.5

Per 

square 

mile

0.556 

4.44 

8.43

3.34

6.73 

7.70 

2.65 

2.75 

.593 

.488 

.216 

.113 

.133

2.87

Aug.

4.5 

3.3 

2.5 

2.3 

2.2

2.1 

2.8 

4.2 

4.0 

3.3

3.0 

2.5 

2.3 

2.3 

2.3

3.0 

3.5 

3.7 

3.5 

3.3

3.2 

3.2 

2.8 

2.5 

2.1

2.0 

1.7 

1.6 

1.7 

2.3 

3.2

Sept.

2.5 

1.8 

1.8 

1.8 

1.8

1.9 

4.0 

6.5 

10 

9.7

8.5 

5.0 

3.8 

3.2 

2.6

2.8 

3.7 

3.3 

3.0 

2.6

2.5 

2.2 

2.1 

2.0 

1.9

1.6 

1.6 

2:0 

2.5 

2.2

Runoff

Inches

0.64 

4.94 

9.74

4-5.37

7.76 

8.03 

3.05 

3.06 

.68 

.54 

.25 

.13 

.15

3^.97

Peak discharge.- Jan. 25 (5:30 p.m.) 1,290 sec. -ft.; Feb. 2 (7 a.m.) 1,310 Bee. -ft.

Acre-feet

851 

6,530 

12,880

60,000

10,260 

10,630 

4,030 

4,050 

901 

719 

329 

172 

196

51,550

Note.- Ho gage-height record Dec. 24 to Jan. 8; discharge computed on basis of recorded range In 

stage and records for Elk Creek near Doty.
34 CHEHALIS RIVER BASIN

Porter Creek at Porter, Wash.

Location.- Water-stage recorder, lat. 46°57'00", long. 123°17'30", in Nfi£ sec. 22, T. 17 

M., R. 5 W., 1 mile northeast of Porter and if miles upstream from mouth.

Drainage area.- 35.9 square miles.

Records available.- July 1942 to October 1943 (fragmentary), June 1944 to September 1947.

Extremes.- Maximum discharge during year not determined, occurred during period of no 

gage-height record in January or February; minimum, 8.4 second-feet Aug. 25, 26.

1942-47: Maximum discharge recorded, 1,360 second-feet Feb. 7, 1945 (gage height, 

7.03 feet); minimum recorded, 4.R second-feet Sept. 11, 1944.

Remarks.- Records good except those for periods of shifting control or no gage-height 

record, which are fair. Small diversion for irrigation during simmer months. Uu 

regulation.

Rating table, water year 1946-47, except periods of shifting 

(gage height, he In feet, and discharge, In second-feet)

2.0 

2.2

6.4

12.5

23

38

56

2.4 

2.7 

3.0 

3.3 

3.6

116

168

231

303

4.0 

4.5 

5.0 

5.5 

6.1

413

567

732

905

1,120

Discharge, in second-feet, water year October 1946 to September 19*7

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

14.5

13.5

14

15.5

16

14

20

16.5

14

13

12.5

12

12.5

12.5

12

11.5

12

12.5

17.5

108

63

97

65

224

304

172

128

89

82

77

86

Nov.

117

89

75

65

58

57

56

53

51

53

47

44

41

40

38

37

76

159

98

85

115

607

735

711

583

473

520

398

329

276

Dec.

247

254

245

421

428

329

303

329

356

672

975

800

800

749

632

473

384

316

280

247

227

207

182

168

158

151

139

122

115

106

108

Jan.

102

90

85

82

97

8S

78

75

73

100

200

250

230

200

170

150

140

180

300

270

290

320

450

800

1,300

1,000

600

450

400

350

300

Month

October .......................

November ......................

December ......................

Calend&r year 1946 .........

January .......................

February ......................

March .........................

April .........................

May ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

500

1,300

1,000

600

450

350

250

200

170

150

160

200

500

900

700

500

400

300

250

200

178

158

144

130

121

112

106

99

_

-

Secondfoot-clays

1,761

6,087

10,923

54,034

9,221

10,128

4,078

2,956

1 125

'870.5

486

357.6

422.5

48,415.6

Mar.

94

97

110

97

85

83

127

151

212

384

303

231

192

164

144

130

121

110

103

97

112

105

98

105

90

83

77

74

85

121

93

Maximum

304

735

975

975

1,300

1,300

384

170

68

69

31

18 . 5

43

1,300

Apr.

119

103

94

103

99

93

87

144

144

170

139

121

108

97

85

78

83

96

140

110

93

83

78

75

69

64

61

64

87

69

-

May

68

59

54

52

49

46

45

45

44

41

40

37

36

36

36

40

35

35

36

32

30

27

24

23

22

20

21

22

24

23

23

Minimum

11.5

37

106

11.5

73

99

74

61

20

16

11.5

8 . 6

S.9

8.6

June

26

28

26

30

29

25

28

6S

62

36

29

26

23

22

21

41

32

26

23

22

19.5

19

18.5

16.5

16

44

42

29

22

20

-

Mean

56.8

203

352

148

297

362

132

98.5

36 . 3

29 0

15.7

11.5

14.1

133

July

18

16.5

17

16.5

15.5

15.5

15

14

13.5

13

14.5

17

16

14.5

20

18.5

14

12.5

14

12.5

12

11.5

12

14.5

16.5

IS

15.5

31

19.5

14

12.5

Per 

square 

mile

1.58

5.65

9.81

4.12

8 . £7

10.1

2^74

1.01

. 803

.437

.320

.363

3.70

Aug.

12

12

12

12

10.5

11

16

18.5

16

12.5

13.5

12.5

11.5

10.5

10.5

12

12

11.5

10.5

10

10

9.6

9.6

S.3

8.6

8.6

9.3

9.6

10

14

12

Sept.

9.6

8.9

9.6

10.5

10.5

13.5

27

32

43

26

18.5

15.5

14.5

13

12

13

12.5

11.5

10.5

10.5

10

9.6

9.3

8.9

9.6

10.5

10.5

10.5

11

10.5

~

Runoff

Iiches

1.82

6.31

11.32

55.99

S.55

10.45

4.22

3.06

1.17

.90

.50

.37

.44

50. 15

Acre-feet

3,490

12,070

21,670

107,200

18 , 290

20,090

8,090

5,860

1 750

964

70S

838

96,030

Hote.- No gage-height record Jan. 10 to Feb. 20; discharge computed on basis of records for Rock 

Creek at Cedarville. Shifting-control method used Oct. 1 to Nov. 23, Dec. 14 to Jan. 9.
CHEHALIS RIVER BASIN 35

Cloquallum River at Elma, Wash.

Location.- Water-stage recorder, lat. 47°00'20", long. 123°23'10", in S^NWi s?c. 36, T. 

IB w., R. 6 W., half a mile east of Elma and 1.8 miles downstream from Wildcat Creek.

Drainage area.- 66 square miles.

Records available.- July 1942 to October 1943 (fragmentary), July 1944 to September 1947.

Extremes.- Maximum discharge during year, 3,290 second-feet Jan. 25 (gage height, 9.53 

reet); minimum, 19 second-feet Aug. 25 (gage height, 1.95 feet).

1942-47: Maximum discharge recorded, that of Jan. 25, 1947; minimum, 6.8 secondfeet (regulated) Sept. 15, 1945 (gage height, 1.43 feet).

Remarks.- Records good. Several small diversions on minor tributaries above station and 

some regulation by log pond on Wildcat Creek.

Bating tables, water year 1946-47 (gage height, in feet, 

and discharge in second-feet)

Oct. 1 to Jan. 25 Jan. 26 to Sept. 30

2.2 23 3.3 219 5.5 1,000 1.9 15 3.1 237 6. 

2,4 46 3.6 291 6.0 1,250 2.1 32 3.5 345 6. 

2.6 77 4.0 403 6.5 1,520 2.3 5S 4.0 490 7. 

2.8 114 4.5 570 7.5 2,060 2.5 93 4.5 655 7. 

3.0 154 5.0 775 8.5 2,660 2.7 137 5.0 855 

2.9 186 5.5 1,060

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24

25

26 

27 

28 

29

30

31

Oct.

30 

29

31 

34 

34

31 

42 

40 

33 

31

29 

27 

27 

27 

26

26 

27 

26 

36 

142

120 

126 

110 

195 

195

148 

128 

104 

97 

95 

99

Nov.

142 

120 

104 

95 

86

86 

82 

75 

74 

75

69 

66 

63 

60 

58

58 

75 

167 

144 

138

138 

460 

685 

865 

708

625 

865 

645 

465 

356

Dec.

301 

330 

328 

465 

535

403 

347 

353 

403 

867

1,460 

1,150 

1,400 

1,150 

888

605 

465 

385 

336 

299

286 

276 

242 

224 

212

206 

197 

184 

1Y.S 

164 

164

Jan.

167 

154 

146 

142 

148

154 

142 

138 

138 

228

226 

264 

237 

215

193

184 

186 

354 

482 

382

391 

668 

1,250 

1,750 

2,570

2,200 

1,290 

915 

715 

620 

505

Feb.

762 

1,970 

1,220

S55 

655

568 

505 

460 

416 

388

446 

550 

620 

1,810 

1,240

815 

602 

490 

431 

388

345 

312 

282 

258 

242

227 

208 

201

Month Second- Montl1 foot-days

Goto 

MOTS 

Decs

Ca

Jami 

Febr 

Hare 

Apr! 

Hay 

June 

July 

Augu 

Sept

Wa

bar .......................

jaber ......................

2,145 

7,649 

14,798

Isndar year 1946 ......... 95,032

ary . ......... 1

1 .........................

embsr .....................

17,154 

17,266 

6,982 

6,100 

2,431 

1,734 

1,083 

763 

781

ter year 1946-47 .......... 78,886

Mar.

191 

194 

208 

191 

181

174 

232 

274 

276 

460

431

156 

304 

268 

242

221 

206 

194 

184 

174

188

184 

178 

214 

186

171 

166 

159 

168 

221 

186

Maximum

195 

865 

1,460

1,690

2,570 

1,970 

460 

362 

139 

99 

55 

30 

60

2,570

Apr.

232

208 

196 

219 

204

194 

181 

287 

301 

362

309 

268 

234 

211 

194

176 

174 

176 

247 

211

188 

174 

161

151 

144

137 

128 

150 

164

139

May

139

126 

116 

106 

99

97 

93 

89 

87 

82

84 

80 

76 

76

74

76 

72 

76 

78 

72

68 

63 

60 

58 

57

55 

54 

55 

54 

54 

55

Minimum

26 

58

164

24

138 

201 

159 

128 

54 

38 

28 

20 

21

20

June

76 

74 

71 

69 

63

57 

61 

87 

99 

69

57 

54 

50 

48 

47

66 

60 

54 

48 

47

44 

43 

42 

40 

38

61 

63 

55 

48 

43

Mean

69.2 

255 

477

260

553 

617 

225 

203 

78.4 

57.8 

34.9 

24.6 

26.0

216

July

40 

40 

39 

39 

37

37 

36 

34 

33 

32

36 

42 

39 

34 

40

38 

32 

30 

30 

29

2a

28 

28 

29 

30

33 

33

55 

40 

33 

29

Per 

square 

mile

1.05 

3.86 

7.23

3.94

8.38 

9.35 

3.41 

3.08 

1.19 

.876 

.529 

.373 

.394

3.27

0 1,290 

5 1,540 

5 2,080 

8 2,300

Aug.

28 

28 

28 

28

26

26 

28 

30 

29 

27

27 

26 

26 

25 

24

24 

25 

24 

23 

23

22 

22

21 

21 

21

20 

21 

21 

21 

24 

24

Sept.

21 

21 

21 

22 

21

25 

42 

54 

60 

39

31 

28 

25 

24 

23

23 

23 

22 

21 

21

21 

21 

21 

21 

21

22 

22 

21 

22 

22

Runoff

Inches

1.21 

4.31 

8.34

53.56

9.67 

9.73 

3.93 

3.44 

1.37 

.98 

.61 

.43 

.44

44.46

Acre-feet

4,250 

15,170 

29.350

188,500

34,020 

34,250 

13,850 

12,100 

4,820 

3,440 

2,150 

1,510 

1,550

156,500

Peak discharge.- Jan. 25 (6 p.m.) 3,290 sec.-ft.; Feb. 2 (9 a.m.) 2,240 sec.-ft.
CHEHALIS RIVER BASIN

 Satsop River near Satsop, Wash.

Location.- Water-stage recorder, lat. 47°00 I 05", long. 123°29'40", in sec. 36, T. 18 N.,

K. v w., 1 mile west of Satsop and lj miles upstream from mouth. Datuir of gage is at

mean sea level, datum of 1929. 

Drainage area.- 315 square miles. 

Kecords available.- March 1929 to September 1947. 

Average discharge.- 18 years, 1,856 second-feet. 

Extremes.- Maximum discharge during year, 24,000 second-feet Jan. 25 (elevation, 34.00

feet Oct. 16, 18, 19 (elevation, 22.93 feet).

1929-47: Maximum discharge observed, 52,500 second-feet Jan. 22, 1S35 (elevation,

38.9 feet, from floodmarks), from rating curve extended above 17,000*second-feet;

minimum discharge, 166 second-feet Sept. 21, 1938. 

Remarks.- Records excellent except those for period of shifting control, which are good,

and those for period of no gage-height record, which are poor. No diversion or

regulation.

Rating tables, water year 1946-47, except period of shifting control 

(gage height, in feet, and discharge, in second-feet)

Oct. 1 to Jan. 25 Jan. 26 to Sept. 30

22.9 208 25.0 1,900 

23.1 270 25.5 2,66O 

23.3 345 26.0 3,520 

23.6 495 26.5 4,450 

24.0 770 27.0 5,450 

24.5 1,260 28.0 7.6OO

Discharge, in s

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23

24 

25

26

27 

28 

29 

30 

31

Oct.

241 

244 

251 

251 

244

238 

251 

257 

244 

232

226 

226 

226 

223

220

220 

220 

217 

238 

1,120

1,530 

1,710 

1,760 

2,190 

2,040

1,580 

1.2OO 

990 

887 

806 

815

Nov.

1,310 

1,140 

1,000 

896 

815

833 

770 

722 

669 

662

641 

600 

594 

581 

543

531 

574 

887 

851 

824

842 

3,200 

6,500 

6,940 

6,500

6,720 

9,120 

6,500 

4,850 

3,700

Dec.

2,990 

4,260 

5,660 

7,160 

6,290

4,450 

4,260 

5,660 

4,750 

8,060

10,200 

7,600 

9,470 

7,380 

5,660

4,360 

3,520 

2,990 

2,660 

2,340

2,190 

2,040 

1,830 

1,700 

1,600

1,500 

1,420 

l,3ir. 

1,23 ) 

1,140 

1,120

29.0 9,950 23.7 249 26. O 3,110 3O 

30.0 12,600 24.0 410 26.5 4,020 31 

31.0 15,300 24.5 885 27. 0 5,060 33 

32.0 18,100 25.0 1,560 28.0 7,260 

25.5 2,310 29.0 9,560

eoond-feet, water year October 1946 to September 19*7

Jan.

1 

1

1

1

2 

1

1 

1

1

1 

1 

2 

4 

3

3 

7 

11 

13 

17

15 

8 

5 

4 

3 

3

Month

Goto 

Hove 

Dece

Ca

Jami 

Febi 

Hare 

Apr! 

May 

June 

Julj 

Augu 

Sept

ffa

lendar year 1946 .........

ary

r

ember .....................

ter year 1946-47 ..........

Peak discharge.- Dec. 11 (9 s

(10:50 a.m.) 11,400 sec. -ft.} 1

120 

040 

000 

914 

932

990 

905 

851 

806 

600

040 

900 

670 

50O 

330

280 

320 

480 

750 

340

430 

670 

000 

900 

400

000 

410 

940 

640 

820 

280

Feb.

3,820

11,500 

7,260 

5,060 

4,020

3,540 

3,280 

3,030 

2,870 

2,710

3,450 

9,000 

11,200 

19,200 

11,500

7,040 

5,060 

4,020 

3,280 

2,950

2,630 

2,390 

2,160 

1,960 

1,830

1,700 

1,580 

1,480

Secondfoot-days

21,097 

70,315 

126,800

751,255

126,258 

139,520 

49,640 

53,060 

26,495 

16,663 

14,316 

8,757 

10,682

663,603

Mar.

1,410 

1,340 

1,360 

1,270 

1,180

1,150 

1,290 

1,360 

1,740 

3,200

3,450 

2,710 

2,310 

2,080 

1,880

1,860 

1,580 

1,450 

1,380 

1,280

1,290 

1,290 

1,240 

1,430 

1,360

1,270 

1,200 

1,140 

1,170 

1,520 

1,450

Maximum

2,190 

9,120 

10,200

13,500

17,400 

19,200 

3,450 

3,110 

1,840 

1,340 

1,170 

340 

1,020

19,200

Apr.

1,800 

1,900 

1,680 

1,660 

1,590

1,590 

1,490 

1,840 

2,240 

3,110

3,030 

2,550 

2,160 

1,940 

1,720

1,530 

1,480 

1,450 

2,160 

2,240

1,860 

1,640 

1,450 

1,350 

1,270

1,170 

1,100 

1,050 

1,460 

1,550

May

1,840 

1,830 

1,590 

1,420 

1,290

1,180 

1,110 

1,050 

998 

910

885 

828 

782 

770 

728

749 

686 

676 

718 

665

627 

589 

570 

553 

536

502 

494 

494 

485 

478 

462

June

502 

510 

502 

519 

494

448 

462 

608 

1,340 

948

728 

636 

570 

528 

502

580 

589 

510 

485 

470

455 

470 

462 

455 

448

519 

536 

485 

462 

440

Minimum Mean

217 681 

531 2,344 

1,120 4,090

217 2,058

806 4,073 

1,480 4,983 

1,140 1,601 

1,050 1,769 

462 855 

440 555 

352 462 

249 282 

249 356

217 1,818

.m.) 11,000 sec. -ft.; Jan. 25 (9:30 p.m.) 

eb. 14 (8 a.m.) 20,400 sec. -ft.

July

425 

410 

404 

397

397

397 

390 

378 

378 

358

371 

494 

1,170 

862 

676

618 

544 

485 

462 

432

410 

397 

390 

390 

390

390 

384 

40* 

390 

371 

353

Per 

square 

mile

2.16 

7.44 

13.0

6.53

12.9 

15.8 

5.08 

5.62 

2.71 

1.76 

1.47 

.895 

1.13

5.77

24,000

.0 12,000 

.5 15,800 

.0 19,800

Aug.

340 

335

330 

320 

310

305 

305 

310 

305 

295

295 

295 

290 

286 

286

281 

281 

277 

267 

263

258 

258 

254 

254 

249

249 

249 

249 

249 

254 

258

Sept.

249 

249 

249 

281 

263

263 

485 

544 

1,020 

782

553 

425 

390 

352 

340

325 

315

305 

300 

290

286 

a286 

a280 

a275 

a270

a270 

a265 

a260 

a260 

a250

Runoff

Inches

2.49 

8.30 

14.97

88.70

14.91 

16.47 

5.86 

6.26 

3.13 

1.97 

1.69 

1.03 

1.26

78.34

363. -ft.

Acre-feet

41,850 

139,500 

251,500

1,490,000

250,400 

276,700 

98,460 

105,200 

52,550 

33,050 

28,400 

17,370 

21,190

1,316,000

j Feb. 2

a No gage-height record; discharge computed on basis of recorded range In stage and records for 

Wynoochee River below Black Creek, near Montesano.

Note.- Shifting-control method used Feb. 14 to Mar. lo.
CHEHALIS RIVER BASIN 37

East Fork Satsop River near MatlocJc, Wash.

Location.- Water-stage recorder, lat. 47°09'40", long. 123°22'00", in NE^SE^ sec. 1, T. 

19 H. , R. 6 W., 2? miles upstream from Bingham Creek and 5| miles southeas-t of 

Matlock.

Drainage area.- 23.7 square miles.

Records available.- November 1945 to October 1947 (discontinued).

Extremes.- 1945-46: Maximum discharge during period November to September, 885 secondreet uec. 28 (gage height, 6.47 feet); minimum, 47 second-feet Sept. 26.

1946-47: Maximum discharge during period October 1946 to October 1947, 1,470 secondfeet Jan. 25 (gage height, 8.13 feet); minimum, 40 second-feet Sept. 1-3.

Remarks.- Records good except those above 800 second-feet, which are fair. No diversion 

or regulation.

Rating table, Nov. 29, 1945, to Oct. 15, 1947 (gage height, in feet,

and discharge, in second-feet) 

(Shifting-control method used July 28 to Oct. 12, 1947)

2.3 

2.5 

2.7 

3.0 

3.3

71

114

163

5.0 

5.5

213

262

325

442

580

6.0 730

6.6 920

7.3 1,160

charge, in second-feet, 1S45-47 

1945-46

Daj

1

2

3

4

5

5

7

8

9

10

11

12

13

14

15

16

17

16

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct. Nor.

_

_

_

_

-

.

_

_

_

-

.

_

_

_

-

.

_

_

_

-

_

_

_

-

_

_

344

355

Dec.

302

283

289

283

295

566

469

325

272

252

234

208

187

170

160

146

138

133

127

128

165

168

173

170

158

172

290

757

685

469

403

Jan.

366

403

3SO

510

442

325

469

390

302

28 &

257

240

220

207

195

207

210

197

180

175

197

267

356

625

42S

302

267

252

246

227

267

Feb.

267

309

283

257

308

580

469

334

295

283

262

246

234

234

220

203

213

211

199

195

220

234

355

403

355

309

5S5

496

_

_

-

Bar.

378

390

334

289

278

278

257

240

227

213

227

272

246

240

257

234

246

240

220

207

1&5

1S2

197

310

246

302

383

252

234

220

203

Apr.

ISO

180

172

165

160

154

151

158

177

246

670

610

366

283

357

240

220

308

200

313

227

205

188

178

170

173

165

165

188

170

-

Uay

154

149

144

138

135

132

128

127

125

124

119

117

116

114

112

109

108

104

103

101

101

98

97

95

94

94

92

94

91

88

88

June

87

87

87

84

84

85

83

85

87

83

80

7S

78

88

97

90

81

78

76

74

72

76

7E

7&

7S

78

72

80

94

91

~

July

85

79

75

72

71

70

70

85

90

78

74

70

6S

68

70

6S

67

66

66

64

63

63

63

62

62

61

61

61

61

60

60

Aug.

60

59

58

58

58

58

58

57

57

56

56

56

56

55

55

54

54

54

54

54

53

S3

S3

53

54

52

52

S3

52

52

52

Sept.

52

52

52

51

51

50

50

50

49

49

49

50

50

51

52

52

50

49

48

48

48

48

48

48

48

48

48

48

48

49

"

Peak discharge. - 

700 sec.-ft.: Apr.

Dec. 28 (5:30 p.m.) 885 

11 (8 p.m.) 790 sec.-ft.

24 (7 a.m.) 655 sec.-ft.; Feb. 27 (4 p.m.)
38 CHEHALIS RIVER BASIN

Discharge, In second-feet, of East Pork Satsop River near Matlock, Wash., 1945-47 Continued

1946-47

Das

1

2

3

4

5

5

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

49

49

49

49

49

48

51

49

48

48

48

48

48

48

48

48

48

48

52

74

66

71

69

81

75

66

62

59

59

57

60

Nov.

68

62

60

59

58

58

56

55

55

55

54

53

53

52

51

50

56

71

67

67

67

176

257

295

366

355

519

344

278

240

-

Dec.

208

234

246

289

295

252

234

234

246

384

552

456

580

456

344

278

246

220

200

183

178

173

160

148

140

133

127

122

117

112

112

Jan.

109

104

101

98

101

104

98

94

94

141

143

153

136

124

112

109

117

184

246

210

220

407

745

820

1,150

888

524

366

289

272

246

Feb.

288

730

482

317

272

257

240

227

213

210

246

334

519

955

625

403

302

267

246

227

213

202

187

178

170

161

156

149

-

-

-

Mar.

144

144

148

140

136

133

143

148

168

252

234

197

177

165

154

146

140

125

128

125

128

128

127

141

133

125

120

116

119

133

124

Apr.

128

120

116

124

125

119

114

141

151

185

165

146

136

128

122

117

117

119

148

f!38

fl!9

114

10 S

103

101

100

97

100

116

117

-

May

117

108

100

95

94

' 91

90

88

87

84

84

81

81

80

79

79

78

79

79

76

75

74

74

72

71

71

75

72

70

69

70

June

75

74

74

72

70

69

70

76

76

70

67

66

64

63

63

69

67

63

63

62

62

61

61

61

60

66

63

63

62

60

-

July

59

58

58

58

58

57

56

56

55

55

57

58

57

55

56

55

54

54

54

53

53

5Z

5?.

54

54

515

54

54

5!>

5?.

51

Aug.

50

49

49

49

48

49

48

48

48

48

48

47

46

46

46

46

44

44

44

44

44

43

42

42

42

42

41

41

41

42

41

Sept.

41

40

41

41

41

45

49

51

51

44

43

42

42

42

41

42

41

42

42

42

42

42

43

43

42

41

41

42

42

42

-

Peak discharge.- Dec. 13 ( 1 to 2 a.m.) 610 sec. -ft.; Jan. 24 (2:30 a.m.) 920 sec. -ft.; Jan. 25

(4:30 p.m.} 1,470 sec. -ft.; Feb. 2 (9:30 a.m.) 790 sec. -ft.; Feb. 14 (10:30 a.m.) 1,060 sec. -ft.

f Computed on basis of partly estimated gage-height record.

Day

Oct. 1

2

3

4

5

6

7

8

Discharge

43

66

68

55

49

47

46

48

Day

Oct. 9

10

11

12

13

14

15

Discharge

49

50

50

48

48

48

57

Monthly discharge, in seeond-feet, 1945-47

Month

DBCeflibBr 1945

Calendar year

April.........................

November

March.........................

May...........................

iJun6

July..........................

August. ...... .

Water year 1946-47 .........

October 1-15, 1947. ...........

Secondfoot-days

8,577

-

9,409 

8,569 

7,807 

6,849 

3,491 

2,473 

2,135 

1,706 

1,486

-

1,724 

4,048 

7,659

57,356

8,505 

8,776 

4,541 

3,735 

2,543 

1,992 

1,706 

1,402 

1,283

47,914

Maximum

757

-

625 

595 

390 

670 

154 

97 

90 

60 

52

-

81 

510 

580

670

1,150 

955 

252 

185 

117 

76 

59 

50 

51

1,150

-

Minimum

127

- '

175 

195 

192 

151 

88 

72 

60 

52 

48

-

48 

50 

112

48

94 

149 

116 

97 

69 

60 

51 

41 

40

40

-

Mean

277

-

304 

306 

252 

228 

113 

82.4 

68.9 

55.0 

49.5

-

55.6 

135 

247

157

274 

313 

146 

124 

82.0 

66.4 

55.0 

45.2 

42.8

131

-

Per 

square 

mile

11.7

-

12.8 

12.9 

10.6 

9.62 

4.77 

3.48 

2.91 

2.32 

2.09

-

2.35 

5.70 

10.4

6.62

11.6 

13.2 

6.16 

5.23 

3.46 

2.80 

2.32 

1.91 

1.81

5.53

-

Runoff

Inches

13.46

-

14.76 

13.45 

12.25 

10.75 

5.48 

3.88 

3.35 

2.68 

2.33

-

2.71

6.35 

12.02

90.01

13.35 

13.77 

7.13 

5.86 

3.99 

3.13 

2.68 

2.20 

2.01

75.20

-

Acre-feet

17,010

-

18,660 

17,000 

15>480 

13,580 

6,920 

4,910 

4,230 

3,380 

2,950

104,100

3,420 

8,030 

15,190

113,800

16,870 

17,410 

9,010 

7,410 

5,040 

3,550 

3,380 

2,780 

2,540

95,030

1,530
CHEHALIS RIVER BASIN 39

Bingham Creek near Matlock, Wash.

Location.- Water-stage recorder, lat. 47°09'40", long. 123°23'50", in SE^- sec. 2, T. 19 

iJ., K. 6 W., if miles upstream from mouth and 5^ miles south of Matlock.

Records available.- April 1946 to September 1947.

Extremes.- Maximum discharge during year, 2,250 second-feet Jan. 25 (gage height, 6.40 

reet); minimum, 19 second-feet Oct. 15 (gage height, 2.04 feet).

1946-47: Maximum discharge, that of Jan. 25, 1947; minimum, that of Oct. 15, 1946.

Remarks.- Records excellent. No diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

16 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

22 

22 

22 

22 

22

22 

23 

22 

22 

21

20 

20 

20 

20 

20

20 

20 

20 

22 

41

32 

36 

36 

46 

44

39 

35 

34 

34 

32 

38

Nov.

46 

44 

 44 

42 

42

42 

41 

39 

38 

38

36 

35 

35 

34 

34

32 

35 

42

41 

41

42 

127 

202 

284 

348

404 

514 

433 

335

273

Dec.

236 

250 

276 

357 

364

308 

290 

338 

335 

518

690 

582 

715 

582 

453

370 

314 

273 

247 

228

217 

204 

191 

181

174

166 

159 

151 

144 

139 

137

Jan.

132 

128 

123 

119 

121

123 

116 

112 

107 

149

149 

156 

144 

135 

130

128 

135 

197 

273 

245

259

481 

790 

1,100 

1,690

1,440 

790 

586 

449 

387 

338

Feb.

364 

690 

550 

429 

370

338 

317 

299 

282 

270

299 

500 

802 

1,770 

1,110

665 

505 

414 

357 

320

290 

270 

250 

236 

223

209 

196 

191

Month

Octo 

Hove

Dece

Ca

Janu 

Febr 

Marc 

Aprl 

May.

June 

July 

Augu 

Sept

Wa

lendar year

ter year 1946-47 .......................

Peak discharge.- Dec. 11 (8 a.m.) 740 sec.

Mar.

181 

178 

174 

166 

159

154 

156 

154 

176 

217

212 

199 

189 

176 

168

161 

154 

147 

142 

137

137 

132 

130 

139 

130

126 

119 

116 

119 

121 

119

Apr.

123 

121 

119 

121 

121

116 

112 

128 

135

171

166 

154 

144 

137 

130

123 

121 

121 

144 

135

130 

123 

119 

114 

110

107 

105 

107 

121 

123

Secondfoot-days

849 

3,743 

9,589

-

11,232 

12,516 

4,788 

3,801 

2,678 

1,684 

1,202 

872 

761

53,715

May

126 

121 

119 

114 

110

105 

101 

99 

96 

92

90 

88 

86 

86 

84

84 

82 

82 

79 

77

75 

75 

71 

69 

67

67 

65 

65 

67 

67 

69

Maximum

46 

514 

715

-

1,690 

1,770 

217 

171 

126 

71

. 4S 

32 

34

1,770

-ft.; Dec. 13 (4 to 5 a.

June

71 

67 

67 

67 

63

62 

60 

65 

67 

62

58 

58

56 

54 

52

58 

54 

54 

52 

50

50 

50

49 

49 

47

52 

49 

47 

47 

47

Minimum

July

20 

32 

137

-

107 

191 

116 

105 

65 

47 

32 

25 

22

20

46 

46 

46 

44 

44

42

41 

41 

39 

39

42 

44 

41 

39 

39

39 

38 

38 

38

36

36 

35 

35 

34 

34

35 

35 

36 

34 

34 

32

Aug.

32 

32 

32 

31 

31

31 

31 

31 

30 

30

30 

30 

29 

29 

29

28 

28 

26 

26 

26

26 

26 

26 

26 

25

25 

25 

25 

25 

26 

25

Mean

27.4 

125 

309

-

362 

447 

154 

127 

86.4 

56.1 

38.8 

28.1 

25.4

147

m.) 765 sec. -ft. ; Jan

Sept.

25 

25 

26 

26 

25

29 

34 

32 

34 

29

28 

26 

26 

25 

.25

25 

24 

24 

24 

24

23 

23 

23 

22 

23

23 

22 

22 

22 

22

Runoff In 

acre-feet

1,680 

7,420 

19,020

-

22,280 

24,830 

9,500 

7,540 

5,310 

3,340 

2,380 

1,730 

1,510

106,500

. 25 (10

903681 O - 50 - 4
CHEHALIS RIVER BASIN

Wynooohee River at Oxbow, near Aberdeen, Wash.

Location.- Water-stage recorder, lat. 47°20', long. 123°39' , in SW^SWi sec. 1, T. 21 N., 

R. 8 W. , at Oxbow, 25 miles northeast of Aberdeen. Prior to Sept. 4, 1947, at site 

! § miles downstream at different datum.

Drainage area.- About 65 square miles (uncertain because of inadequate ma">s ) . 

Records available.- May 1925 to September 1947. 

Average discharge.- 22 years, 753 second-feet.

Extremes.- Maximum discharge during year, 9,750 second-feet Feb. 13 (gage height, 22.50 

feet, site and datum then in use); minimum not determined, occurred sometime during 

period of no gage-height record.

1925-47: Maximum discharge, 18,000 second-feet Jan. 22, 1935 (gage height, 30.3 

feet, from floodmarks, site and datum then in use), from rating curve extended above 

5,300 second-feet; minimum, 76 second-feet Sept. 23, 1930.

Remarks . - Records good except those for periods of no gage-height record, which are 

poor. No diversion or regulation.

Rating table, water year 1946-47 (gage height, in feet,

and discharge, In second-feet 

(Shifting-control method used Sept. 4-3o)

2.0 114 5.0 574 12.5 3,13O 

2.4 149 6.0 820 14.0 3,930 

2.8 188 7.0 1,070 16.0 5,130 

3.2 234 8.0 1,370 18.0 6,400 

3.7 305 9.5 1,820 20. Q 7,800 

4.3 412 11.0 2,420

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

131 

131 

131 

126 

126

122 

136 

131 

126 

122

118 

118 

114 

114 

113

112 

112 

115 

120 

450

570 

620 

640 

780 

760

590 

490 

430 

380 

330 

310

Nov.

490 

440 

390 

350 

360

330 

310 

290 

260 

260

250 

240 

240 

230 

230

220 

230 

35O 

330 

310

320 

2,000 

2,700 

2,500 

2,600

2,600 

2,500 

2,400 

1,700 

1,400

Dac.

1,700 

2,100 

2,600 

2,200 

1,700

1,600 

1.5OO 

2,300 

1,900 

3,700

2,800 

3,600 

2,500 

2,000 

1,730

1,400 

1,160 

995 

895 

820

820 

770 

670 

622 

586

550 

514 

478 

444 

444 

412

Jan.

392 

373 

355 

346 

346

338 

321 

305 

313

1,000

695 

550 

455 

412 

382

373 

392 

963 

945 

695

1,190 

2,900 

3,670 

5,360 

6,320

3,580 

1,960 

1,460 

1,160 

995 

845

Feb.

1,060 

3,770 

1,600 

1,190 

995

945 

895 

870 

820 

920

2,400 

6,190 

7,590 

7,240 

3,380

2,150 

1,640

1,340 

1,130 

995

920 

845 

770 

720 

670

622 

574 

538

Month

Octo 

Nove 

Dece

Ca

Janu 

Pebr 

Marc 

Aprl

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

502 

502 

538 

490 

455

433

455 

444 

586 

1,220

1,070 

795 

695 

670 

646

622 

622 

574 

526 

490

502 

466 

466 

514 

466

422 

402 

392 

422 

586 

550

Apr.

1, 

1

Seeondfoot-days

8,668 

26,830 

45,510

286,635

39,391 

52,779 

17,523 

19,829 

12,534 

9,875 

10,698 

5,125 

6,030

254,792

Peak discharge.- Jan. 24 (2 a.m.) 7,800 see. -ft.; Jan.

9,750 sec. -ft. 

Note.- No gage-height record Oct. 18 to Dee. 14, July

of recorded range in stage and records for Satsop River

745 

622 

538 

502 

502

502 

502 

670 

745 

020

870 

720 

670 

646 

622

574 

550 

598 

250 

895

695 

610 

550 

514 

478

455 

444 

500 

895 

945

May

1,020 

895 

745 

646 

586

538 

514 

478 

444 

412

392 

373 

355 

346 

338

338 

313 

321 

321 

297

289 

282 

274 

274 

267

260 

260 

254 

240 

234 

228

Maximum

780 

2,700

3,700

5,680

6,320 

7,590 

1,220 

1,250 

1,020 

1,050 

993 

205 

883

7,590

June

240 

240 

247 

234 

222

216 

234 

893 

1,050 

586

433 

373 

338 

313 

289

338 

313 

282

267 

260

247 

240 

234 

228 

228

313

289 

260 

240 

228

July

222 

222 

216 

216 

222

228 

216 

210 

210 

210

338 

973 

970

670

598 

502 

422 

373 

330

237 

274 

230 

254 

234

2i7 

234 

234 

228 

216 

210

Aug.

205 

205 

200 

200 

195

195 

195 

195 

190 

180

175 

175 

170 

165 

165

160 

155 

150 

150 

145

145 

140 

140 

140 

140

140 

140 

140 

140 

145 

145

Minimum Mean

112 280 

220 894 

412 1,468

112 785

305 1,271 

538 1,885 

392 565 

444 661 

228 404 

216 329 

210 345 

140 165 

115 201

112 698

Sept.

140 

140 

140 

131 

128

155 

335 

380 

883 

400

346 

236 

204 

182 

170

163 

163 

155 

151 

144

144 

140 

137 

131 

128

125 

125 

121

118 

115

Runoff In 

acre-feet

17,190 

53,220 

90,270

568,500

78,130 

104,700 

34,760 

39,330 

24,860 

19,590 

21,220 

10,170 

11,960

505,400

25 (4 p.m.) 7,660 sec. -ft. Feb. 13 (9 p.m.)

31 to Sept. 3; discharge computed on basis 

near Satsop.
CHEHALIS RIVER BASIN 41

Wynoochee River below Black Creek, near Montesano, Wash.

Location.- Water-stage recorder, lat. 47°00'35", long. 123°39'00", in NW^-NWi see. 35, T. 

18 H., R. 8 W., at county road bridge 500 feet downstream from Black Creek and 2j miles 

northwest of Montesano. Prior to July 9, 1947, wire-weight gage at site £00 feet upstream at same datum.

Records available.- July 1942 to September 1947.

Extremes.- Maximum discharge observed during year, 15,800 second-feet Feb. 14 (gage height, 

Ml.19 feet), from rating curve extended above 8,100 second-feet; minimum observed, 65 

seoond-feet Oct. 18 (gage height, 69.16 feet).

1942-47: Maximum discharge observed, 16,600 second-feet Feb. 8, 1945 (gage height, 

82.65 feet); minimum observed, 51 second-feet Sept. 11, 1944.

Remarks.- Records good except those for periods of no gage-height record or shifting oontrol, which are fair. Wire-weight gage read once or twice daily Oct. 1 to July 8. City 

of Aberdeen diverts about 56 second-feet continuously 1-J- miles above station. No regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

13 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

105 

105 

116 

119 

105

96 

105 

119 

116 

99

93 

93 

96 

87 

70

70 

75 

68 

99 

305

720 

1,920 

1,700 

2,270 

2,030

1,590 

1,270 

890 

800 

680 

640

Nov.

1,130 

980 

845 

680 

505

640 

605 

535 

500 

470

440 

410 

400 

380 

360

350 

400 

600 

570 

57O

g980 

g3,390 

6,260 

g5,280 

g5,140

gS.140 

65,840 

g4,860 

3,910 

3,910

Dec.

3,780 

4.04O 

g5,840 

6,820 

5,000

g3,650 

4,170 

4,440 

3,780 

g7,240

8,950 

g6,260 

g7,380 

4,860 

4,040

3,000 

2,510 

2,150 

1,480 

1,270

1,480 

1,370 

1,270 

1,120 

1,100

1,070 

935 

845 

760 

720 

720

Jan.

680 

605 

605 

640 

605

570 

535 

535 

680 

1,700

1,480 

1,170 

1,070 

935 

845

800 

800 

1,270 

1,810 

1,810

2,030 

5,000 

g7,520 

10,000 

gl 1,600

9,600 

g5,700 

g3,390 

2,900 

2,700 

2,300

Month

Octo 

Move 

Deee

Ca

Janu 

Febr 

Marc 

Apr! 

May

June 

July 

Augu 

Sept

Wa

Feb.

2,700 

g8,220 

g4,720 

3,400 

2,400

1,920 

2,030 

1,900 

1,800 

1,70O

g2,390 

g6,820 

9,250 

g!4,100 

7,800

5,000 

g3,520 

2,630 

2,270 

1,920

1,700 

1,480 

1,270 

1,150 

1,050

960 

890 

845

lendar year 1946

ter year 1946-47 .......................

Mar.

820 

800 

820 

760 

845

720 

760 

900 

,270 

,480

,700 

,480 

,270 

,120 

,070

1,020 

935 

890 

800

760

720 

760 

720

760 

760

680 

640 

605 

640 

935 

1,020

Apr.

1,020 

1,070 

1,020 

935 

890

845 

845 

935 

1,270 

1,920

1,920 

1,480 

1,370 

1,120 

1,020

935 

935 

935 

1,370 

1,270

1,120 

1,070 

960 

900 

845

760 

760 

935 

1,120 

'l,270

Secondfoot-days

16,651 

56,170 

102,050

533,432

81,885 

95,835 

28,460 

32,845 

18,345 

12,868 

10,228 

4,302 

6,305

465,944

May

1,480 

1,270 

1,120 

1,020 

935

845 

800 

760 

680 

620

570 

570 

535 

500 

500

520 

470 

470 

470 

440

410 

380 

369 

358 

347

336 

330 

320 

315 

310 

295

Maximum

2,270 

6,260 

8,950

8,950

1 1 , 600 

14,100 

1,700 

1,9£0 

1,480 

1,590 

1,120 

202 

708

14,100

June

342 

336 

347 

358 

310

280 

300 

605 

1,590 

935

680 

535 

440 

410 

410

470 

470 

380 

350 

320

280 

290 

280 

270 

260

340 

380 

330 

295 

275

July

260 

250 

245 

240 

235

200 

170 

144 

126 

119

130 

366 

1,120 

760 

570

640 

5OO 

440 

380 

347

320 

295 

285 

295 

290

285 

260 

255 

250 

235 

£16

Minimum

68 

350 

720

68

535 

845 

605 

760 

295 

260 

119 

99 

96

68

Aug.

202 

194 

189 

180 

172

164 

168 

172 

168 

160

152 

152 

148 

140 

133

133 

130 

126 

122 

119

116 

112 

112 

112 

108

105 

102 

102 

99 

105 

105

Mean

537 

1,872 

3,29?

1,461

2,641 

3,423 

918 

1,093 

59? 

423 

33 > 

133 

210

1,277

Sept.

99 

99 

96 

119 

112

116 

275 

358 

708 

640

410 

325 

275

240 

216

198 

189 

194 

172 

160

148 

144 

140 

133 

130

130 

12E izz119 

116

Runoff In 

acre-feet

33,030 

111,400 

202 , 400

1,058,000

162,400 

190,100 

56,450 

65,150 

36,390 

25,520 

20,290 

8,530 

12,510

924,200

g Computed from graph based on gage readings.

Note.- No gage-height record Nov. 13-18, Dec. 25, Jan. 24, 26, Jan. 29 to Feb. 1, Feb."4, 5, 8, £ 

16, 21, 24-26, Mar. 1, 3, 8, Apr. 23, 24, May 10, 16, June 6, 7, 19-24, 26, July 6, 7; discharge 

computed on basis of records for Satsop River near Satsop. Shifting-control method used Feb. 15 to 

Sept. 30.
HUMPTULIPS RIVER BASIN

Huraptullps River near Humptulips, Wash.

Location.- Staff gage, lat. 47°13'45", long. 123°56'30", in NE& sec. 17, T. 20 N., R. 10 

w., at. abandoned bridge site, 1 mile southeast of Humptulips, 2.5 miles upstream from 

Stevens Creek, and 3^ miles downstream from Forks. Datum of gage is 117.4 feet above 

mean sea level (river-profile survey).

Drainage area.- 125 square miles.

Records available.- May 1933 to January 1935, July 1942 to September 1947.

Extremes.- Maximum discharge observed during year, 15,200 second-feet Jan. 25 (gage 

height, 9.62 feet), from rating curve extended above 10,000 second-feet; minimum 

observed, 142 second-feet Oct. 16-18.

1933-35, 1942-47: Maximum discharge, 21,200 second-feet Jan. 22, 1935 (gage 

height, 12.7 feet, from floodmarks), from rating curve extended above £,500 secondfeet; minimum observed, 82 second-feet Sept. 11, 1944 (gage height, 0.83 foot).

Remarks.- Records fair except those above 10,000 second-feet, which are pcor. Gage read 

twire daily. No diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 194V

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

. 30

31

Oct.

165

168

168

165

168

160

177

171

160

155

152

150

150

145

145

145

145

145

162

970

925

1,660

1,350

2,220

2,890

1,660

1,150

840

800

640

640

Nov.

1,250

880

720

640

570

640

540

510

430

480

450

400

400

378

378

355

400

680

540

510

510

g2,890

g4 , 950

4,570

g4,760

g4,390

g6,580

4,210

3,360

2,220

-

Dec.

1,770

4,210

7,020

6,370

4,030

2,890

3,200

3,520

g3,520

g7,460

g8,370

g5,740

6,160

4,390

3,040

2,220

1,880

1,550

1,450

1,250

1,250

1,200

1,020

925

880

840

760

720

640

605

605

Jan.

605

540

510

480

540

540

480

480

450

1,990

1,350

1,150

970

760

680

680

800

g2,100

g2,740

gl,770

g2,220

g6,370

g8,370

310,500

g!2,600

gS,570

4,570

3,040

2,470

1,990

1,660

Month

October .......................

November ......................

December ... ..................

Calendar year 1946 .........

January .......................

February ......................

March .........................

April .........................

Hay m ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

1,990

g7,020

g3,690

2,470

1,990

. 1,830

1,770

1,660

1,550

1,550

2,340

g7,680

9,550

512,000

6,370

3,690

2,600

2,100

1,880

1,550

1,450

1,350

1,200

1,100

1,020

925

840

800

_

_

-

Secondfoot-days

18,741

49,641

89,485

494,145

81,575

84,015

25,740

32,190

16 , 480

12,408

13,023

6 , 329

8,462

438,089

Mar.

760

720

760

720

640

605

720

680

925

1,770

1,880

1,450

1,150

970

880

800

760

720

640

605

640

640

630

880

760

680

60S

570

570

840

720

Maximum

2,890

6 , 580

8,370

9,170

12 1 600

12,000

1 »880

2,740

1,450

I

CCrt 

f OOtJ

1,350

262

1,250

12,600

Apr.

970

880

760

800

800

840

800

1,150

1,250

2,100

1,660

1,350

1,100

970

840

800

760

925

2,740

1,660

1,200

1,020

880

80O

720

640

605

570

1,250

1,350

May

1,450

1,350

1,100

970

800

720

680

640

570

540

510

480

450

425

425

425

400

400

425

378

355

355

332

310

310

310

290

270

270

270

270

Minimum

145

355

605

145

450

800

570

570

270

270

250

171

168

145

June

310

310

310

310

270

270

270

400

1,550

800

570

450

425

378

355

400

400

378

355

332

310

310

290

270

270

400

480

480 400'

355

Mean

605

2J887

1,354

2

sloOl

1,073

532

414

420

204

282

1,200

July

33?

31Q

31Q

310

290

3D

291

270

262

250

290

760

1,350

760

760

720

570

480

4?5

4CO

378

355

332

355

332

332

s:o

330

310

2?0

270

Per 

square 

mile

4.84

13 . 2

23.1

10 . 8

21.0

24.0

6 , 64

8 58

4. 26

3.31

3* 36

1

C?-z bo

2.26

9.60

Aug.

262

254

246

238

238

230

230

242

286

216

212

209

209

202

202

198

195

192

189

189

186

183

183

177

174

174

171

171

171

183

177

Sept.

171

168

168

216

183

189

480

450

1,250

570

425

355

310

270

254

242

230

223

216

209

202

202

195

192

189

186

186

183

177

171

Runoff

Inches

5.58

14.77

26.62

147.00

24.27

25* 00

7.66

9 58

4!90

3 69

3 S7

1* 88

2.52

130.34

Acre-feet

37,170

177^500

980 y 100

161,800

166 > 600

51,050

fi3 ° * 850ori

24J610

12 550

16^780

868,900

g Computed from graph based on gage readings.
QUINAULT RIVER BASIN 

Juinault River at Quinault Lake, Wash.

43

Location.- Water-stage recorder, lat. 47°27'30", long. 123°53'30", in sec. 25, T. 23 N., 

R1 1U W. , at outlet of Quinault Lake and 4 miles southwest of Quinault.

Drainage area.- 264 square miles.

Records available.- October 1911 to September 1947.

Average discharge.- 36 years, 2,661 second-feet.

Extremes.- Maximum discharge during year, 27,100 second-feet Feb. 14 (gage height, 14.63 

reet); minimum, 381 second-feet Oct. 18 (gage height, 2.18 feet).

1911-22, 1924-32, 1933-47: Maximum discharge, 37,000 second-feet Dec. 12, 1921 

(gage height, 16.3 feet, datum then in use), from rating curve extended above 25,000 

second-feet; minimum, 276 second-feet Sept. 12, 1944 (gage height, 1.96 fest).

Remarks.- Records excellent except those for period of shifting control, which are good, 

and those for period of no gage-height record, which are fair. Slight natural regulation by Quinault Lake. No diversion.

Rating table, water year 1946-47, except period of shifting control 

(gage height, in feet, and discharge, in second-feet)

4.0

341

445

630

940

1,400

1,920

4.5 

5.0 

5.5 

6.0 

7.0 

8.0

2,530

3,250

4,040

4,880

6,700

8,700

9.0

10.0

11.0

12.0

13.0

14.3

10,800

13,100

15,700

18,600

21,800

26,100

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

528

522

509

509

503

486

480

480

462

457

445

440

429

418

413

402

396

386

423

716

1,350

2,030

2,600

3,180

4,370

3,960

3,100

2,460

2,090

1,810

1,700

Nov.

1,810

1,700

1,600

1,450

1,400

1,400

1,350

1,300

1,210

1,180

1,130

1,070

976

958

900

860

876

1,040

1,070

1,040

1,010

1,960

6,050

6,510

6,130

6,320

8,300

8,700

7,700

5,940

-

Dec.

4,540

5,940

9,960

13,500

10,800

7,900

6,700

6,900

6,320

9,540

12,600

10,600

11,000

9,750

7,500

5,760

4,710

3,880

3,320

2,950

2,810

2,670

2,460

2,270

2,150

2,090

1,920

1,810

1,700

1,650

1,550

Jan.

1,500

1,400

1,350

1,300

1,300

1,300

1,210

1,180

1,150

1,630

2,030

1,980

1,810

1,600

1,500

1,450

1,400

1,760

2,340

2,270

2,460

4,470

7,300

12,900

14,300

13,200

8,700

6,130

4,540

3,720

3,100

Month

October ...... ................

November ......................

December ......................

Calendar year 1946 ....... .

January ..................... .

February . ........... ........

March ............... ....... .

April ....................... . May ............... .^ ..........

June ........................ .

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

2,880

6,160

5,940

4,540

3,720

3,180

2,810

2,670

2,530

2,530

3,800

13,100

20,900

26,100

17,700

10,800

7,500

5,760

4,710

3,880

3,320

3,100

2,810

2,670

2,400

2,270

2,150

2,030

_

-

Secondfoot-days

38,054

82,940

177,250

1,080,056

112,280

171,960

61 ,810

72,990

69 , 600

58,610

42,830

21 , 284

20,436

930,044

Mar.

1,920

1,810

1,810

1,760

1,700

1,600

1,600

1,550

1,550

1,920

2,400

2,400

2,270

2,210

2,210

2,270

2,400

2,460

2,460

2,340

2,340

2,270

2,210

2,150

1,980

1,860

1,700

1,600

1,550

1,700

1,810

Maximum

4,370

8,700

13,500

13,500

14,300

26,100

2,460

4,280

3,720

3,880

2,100

994

1,300

26,100

Apr.

2,030

2,090

1,920

1,860

1,810

1,810

1,810

1,810

1,920

2,210

2,340

2,270

2,150

2,210

2,340

2,400

2,530

2,740

3,800

4,280

3,720

3,100

2,740

2,460

2,270

2,210

2,270

2,270

2,670

2,950

-

May

3,250

3,720

3,560

3,180

2,880

2,670

2,670

2,600

2,460

2,340

2,210

2,150

2,030

1,920

1,810

1,810

1,760

1,700

1,760

1,760

1,810

1,810

1,810

1,860

1,980

2,030

2,150

2,150

2,030

1,920

1,810

Minimum

386

360

1,550

386

1,150

2,030

1,550

1,810

1,700

1,450

1,030

515

468

386

June

1,810

1,810

1,700

1,700

1,600

1,600

1,600

2,130

3,880

3,720

3,100

2,530

2,210

2,030

1,810

1,810

1,860

1,810

1,700

1,650

1,550

1,450

1,450

1,450

1,450

1,650

2,200

2,000

1,750

1,600

-

Mean

1,228

2,765

5,718

2,959

3,622

6,141

1,994

2 433

2|245

1 954

T ' ^ft?

687

681

2,548

July

1,500

1,500

1,400

1,400

1,400

1,300

1,200

1,100

1,050

1,050

1,500

2,100

1,800

1,600

1,800

1,700

1,600

1,500

1,400

1,300

1,250

1,200

1,200

1,400

1,500

1,300

1,200

1,200

1,250

1,100

1,030

Per

square 

mile

4.65

10.5

21.7

11.2

13.7

23 3

7.55

9.22

8.50

7.40

5.23

2.60

2.58

9.65

Aug.

994

949

932

908

860

836

804

804

780 

772

748

724

708

693

679

658

651

637

624

604

578

565

559

553

546

522

522

515

515

522

522

Sept.

509

509

522

534

528

553

693

844

1,210

1,300

1,210

1,070

958

868

788

724

693

637

617

578

559

553

540

515

503

497

491

491

474

468

-

Runoff

Inche-s

5.3S

11.63

24,97

152.13

15.8?

24. 2£ 8.7"

10.213

9.80

8. 26

6 . 03

3.00

2.88

131.01

Acre feet

75,480

164,500

351,600

2,142,000

222,700

341,100

122,600

144,800

138,000

116,300

84, 950

42,220

40,530

1,845,000

Peak discharge.- Nov. 27 (7 a.m.) 9,540 sec.-ft. ; Dec. 4 (12:30 p.m.) 13,800 sec.-ft.; Dec. 11 

(I2m.j 13,100 see.-ft.; Jan. 25 (10 p.m.) 15,700 sec.-ft.; Feb. 14 (1 p.m.) 27,100 sec.-ft.

Note.- Ho gage-height record June 26 to July 30; discharge computed on basis of recorded range In 

stage and records for Queets River near Clearwater. Shifting-control method used Feb. 25 to Apr. 19.
QUEETS RIVER BASIN

Queets River near Clearwater, Wash.

Location.- Water-stage recorder, lat. 47°32', long. 124°19', in SW£ sec. 36, T. 24 N., R. 

13 w., on Quinault Indian Reservation, 2 miles downstream from Clearwater River and 

4 miles southwest of Clearwater. Datum of gage is 14.5 feet above mean sea level 

(river-profile survey).

Drainage area.- 454 square miles.

Rec'jrds available.- September 1930 to September 1947.

Average discharge.- 17 years, 4,087 second-feet.

Extremes.- Maximum discharge during year, 55,700 second-feet Jan. 25 (gage height, 20.02 

feet), from rating curve extended above 31,000 second-feet; minimum, 448 second-feet 

let. 18, 19 (gage height, 5.57 feet).

1930-47: Maximum discharge, 100,000 second-feet Jan. 22, 1935 (gage height, 27.0 

feet, present datum, from floodmarks), from rating curve extended abovs 31,000 secondfeet; minimum, 368 second-feet Sept. 9, 1944; minimum gage height, 3.53 feet, present 

datum, Oct. 11, 1932.

Remarks.- Records good except those for period of shifting control, which are fair, and 

those for periods of no gage-height record, which are poor. No diversion or regulation.

Rating table, water year 1946-47, except period of shifting control 

(gage height, In feet, and discharge, In second-feet)

5.5 395 7.5 2,930 12.0 15,400 

5.7 550 8.0 3,860 13.0 19,300 

6.0 820 8.5 4,880 14.0 23,400 

6.3 1,140 9.0 6,020 15.0 27,900 

6.6 1,500 10.0 8,670 16.0 32,800 

7.0 2,080 11.0 11,800 17.1 38,600 

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

689

635 

592 

644 

671

576 

635 

698 

610 

558

542 

526 

502 

510 

494

478 

470 

462 

673 

2,320

2,420 

4,040 

4,060 

7,810 

9,000

4,780 

3,380 

2,570 

2,400 

2,240 

2,800

Nov.

J.720 

2,660 

2,160 

1,920 

1,810

2,240 

1,810 

1,600 

1,560 

1,710

1,470 

1,330 

1,250 

1,180 

1,140

1,080 

1,540 

2,480 

1,810 

1,600

1,500 

12,100 

15,700 

12,400 

14,600

14,100 

16,800 

12,200 

10,200 

6,760

Dec.

5,440 

13,400

26,100 

20,000 

12,600

8,960 

16,400 

14,800 

12,600 

27,300

26,100 

15,400 

15', 500 

10,200 

7,820

6,020 

4,990 

4,360 

3,960

3,670

3,760 

3,670 

3,110 

2,840 

2,660

2,480 

2,400 

2,080 

2,000 

1,840 

1,820

Jan.

1,810 

1,640 

1,510 

1,450 

1,680

1,820 

1,490 

1,370 

1,360 

6,800

4,260 

3,670 

2,750 

2,320 

2,000

2,080 

2,570 

10,000 

7,200 

4,880

7,280 

20,800 

23,300 

26,000 

38,300

19,400 

10,200 

7,280 

5,550 

4,780 

3,960

Feb.

6,950

24,600 

8,960 

6,020 

4,990

4,560 

4,260

4,060 

3,760 

3,860

7,880 

27,300

33,900 

38,500 

16,600

9,870 

7,020 

5,660 

4,780 

4,060

3,760 

3,580 

3,200 

2,930 

2,750

2,400 

2,240 

2,080

unnth SeoondMonth foot-days

Ootc 

Move 

Dece

Ca

Jam: 

Febi 

Marc 

Apri 

May 

June 

Julj 

Align 

Sept

WE

 ber ......................

lendar year 194 

&ry

I..... - 1 -

i

ember .....................

58,785 

152,410 

284,280

568,572

229,510 

250,530 

71,710 

106,890 

73,570 

76,900 

64,650 

26,108 

30,973

ter year 1946-47 .......... 1,426,316

Mar.

1,920 

1,810 

2,000 

1,900 

1,650

1,570 

1,640 

1,670 

2,190 

4,960

4,990 

3,670 

3,200 

2,930 

2,750

2,570 

2,480 

2,320 

2,080 

1,930

2,240 

2,320 

1,930 

2,320 

2,000

1,720 

1,580 

1,510 

1,540 

2,240 

2,080

Maximum

9,000 

16,800 

27.30C

29,600

38,300 

38,500 

4,990 

9,800 

6,000 

7,000 

5,140 

1,230 

4,250

38,500

Apr.

3,290 

2,660 

2,240 

2,480 

2,480

2,930 

2,600 

2,700 

3,300 

3,800

4,500 

3,700 

3,200 

3,000 

2,930

2,660 

2,660 

3,670 

9,800 

6,020

4,460 

3,670 

3,200 

2,930 

2,660

2,480 

2,480 

4,090 

5,300 

5,000

May

5,400 

6,000 

5,000 

4,000 

3,500

3,000 

2,600 

2,400 

2,300 

2,100

2,000 

1,900 

1,850 

fl,780 

fl,740

1,700 

1,600 

1,600 

1,600 

1,650

1,650 

1,700 

1,700 

1,750 

1,800

1,900 

2,000 

2,000 

1,850 

1,750 

1,750

June

1, 

1, 

1, 

1, 

1,

1, 

1, 

3, 

7, 

6,

5, 

4, 

3, 

3, 

2,

2, 

2, 

2, 

1, 

1,

1, 

1, 

1, 

1, 

1,

2, 

3, 

2, 

2, 

1,

Minimum Mean

4S2 1,896 

1,060 5,080 

1,820 9,170

462 4,297

1,360 7,404 

2,080 8,948 

1,510 2,313 

2,240 3,563 

1,600 2,373 

1,500 2,563 

1,180 2,085 

600 842 

550 1,032

462 3,908

Peak discharge.- Jan. 25 (12 m.) 55.700 sec. -ft.: Feb. 13 (10:30 p.m.l

700 

650 

600 

550 

500

500 

500 

500 

000 

500

600 

500 

700 

000 

100

100 

100 

000 

900 

800

700 

600 

550 

530 

540

460 

290 

570 

080 

780

1947

July

1, 

1,

1, 

1, 

1,

1, 

1, 

1, 

1, 

1,

2,

5, 

4, 

3, 

4,

3, 

2, 

2, 

2, 

1,

1, 

1, 

1, 

1, 

2,

1, 

1, 

1, 

1, 

1, 

1,

Per 

square 

Bile

4.18 

11.2 

20.2

9.46

16.3

19.7. 

5.09 

7.85 

5.23 

5.65 

4.59 

1.85 

2.27

8.61

46,600

6FO 

630 

530 

4FO 

500

670 

380 

250 

180 

180

480 

140 

560 

110 

060

580 

840 

480 

240 

930

780 

650 

5150 

8*0 

080

6^0 5"0 

500 

570 

3'30 

210

Aug.

1,230 

1,200 

1,170 

1,140 

1,030

1,000 

983 

1,040 

983 

910

890 

890 

870 

840 

830

810 

792 

780 

760 

740

720 

720 

700 

680 

660

640 

630 

620 

610 

610 

600

Sept.

590 

580 

600 

610 

640

740 

1,400 

3,200 

3,100 

4,250

2,000 

f 1,040 

f983 

940 

890

830 

770 

720 

680 

660

620 

600 

590 

580 

570

570 

560 

560 

550 

550

Runoff

Inches

4.a2

12.48 

33.29

128.51

18.80 

20.52 

5.87 

8.76 

6.03 

6.30 

5.30 

2.14 

2.54

116. 8E

sec. -ft.

Acre-feet

116,600 

302,300 

563,900

3,111,000

455,200 

496,900 

142,200 

212,000 

145,900 

152,500 

128,200 

51,780 

61,430

2,829,000

f Computed on basis of partly estimated gage-height record.

Note,- No gage-height record Apr. 7-14, Apr. 30 to May 13, May 16 to June 23, Aug. 18 to Sept. 11, 

Sept. 14-30; discharge computed on basis of recorded range in stage and records t:"" Quinault River 

at Quinault Lake. Shifting-control method used Feb. 15 to Apr. 19, Sept. 12, 13.
QUEETS RIVER BASIN 

Clearwater River near Olearwater, Wash.

45

Location.- Water-stage recorder, lat. 47°35', long. 124°18', in lot 4, sec. 18, T. 24 

M., K. 12 W., lj miles north of Clearwater and 3 miles upstream from mouth, Datum of 

gage is 60.0 feet above mean sea level, unadjusted.

Drainage area,- 140 cquare miles.

Records available.- July 1937 to September 1947. October 1931 to September 1932 at site 

a quarter or a mile upstream.

Average discharge.- 11 years (1931-32, 1937-47), 1,180 second-feet.

Extremes.- Maximum discharge during year not determined, probably occurred sometime in 

February during period of no gage-height record; minimum, 58 second-feet Aug. 28 (gage 

height, 5.27 feet), apparently the result of flash dam operation.

1931-32, 1937-47: Maximum discharge, 29,200 second-feet Oct. 28, 1937 (gage 

height, 14.90 feet), from rating curve extended above 6,800 second-feet by velocityarea study; discharge may have been higher Feb. 7, 1945, when water-stage recorder 

was not operating; minimum, that of Aug. 28, 1947.

Discharge known to have been greater Jan. 21 or 22', 1935 (stage and discharge not 

determined).

Remarks.- Records good except those for periods of no gage-height record, which are poor. 

Ho diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

162

147

140

158

170

143

170

178

150

140

133

130

123

123

116

113

113

113

243

658

586

988

1,260

2..680

2.68O

1,530

992

775

690

629

910

Nov.

1,120

813

678

578

536

629

527

463

471

510

440

396

367

347

321

3O2

561

775

570

518

502

3,740

5,260

4,500

5,380

3,720

5,810

3,810

3,000

2,150

-

Dec.

1,790

4,510

8,800

5,400

3,500

2,800

3,100

3.00O

3,200

8,000

7,400

4,800

4,300

3,000

2,OOO

1,600

1,300

1,100

980

930

940

860

760

680

610

600

560

520

480

450

420

Jan.

400

380

f360

360

390

360

350

340

340

1,600

900

700

550

470

440

430

450

2,500

1,600

1,000

2,100

3,500

6,000

7,500

8,000

5,200

3,500

2,300

1,800

1,400

1,100

Month

October .......................

November ......................

December .......................

Calendar year 1946 .........

January .......................

February ......................

llaroh .........................

April .........................

May ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

2,300

5,500

3,500

1,600

1,200

1,100

J.,000

950

900

1,100

7,000

10 , 000

11,000

9,500

6,000

3,000

2,000

1,500

1,200

f 1,030

950

900

880

820

750

680

640

300

_

-

Secondfoot-days

17,143

48,788

78,390

460,076

56,320

77,600

16,090

24,399

18,448

1.4,867

16,950

6 , 228

7,193

£82,416 

Mar.

560

520

480

450

440

430

420

420

440

620

600

550

560

580

6OO

640

660

620

600

560

600

580

520

500

480

440

400

380

440

480

520

Maximum

2,680

5,810

8,800

12,800

8,000

11,000

660

3,220

2,040

1,600

1,850

296

1,030

11,000

Apr.

580

480

430

400

410

400

390

450

560

660

600

550

580

620

650

599

617

890

3,220

1,810

1,310

1,030

860

740

644

590

522

730

1,530

1,540

-

May

2,040

1,890

1,400

1,100

920

790

682

626

599

529

481

451

416

389

371

430

359

395

410

410

350

300

330

360

390

400

400

350

310

270

300

Minimum

113

302

420

102

340

600

380

390

270

215

250

138

135

113

June

330

320

320

350

380

400

380

900

1,600

1 , 100

800

550

430

360

300

320

320

310

270

240

220

215

250

f286

f286

700

1,400

700

450

380

-

Mean

553

1,626

2,529

1,260

1,817

2,771

519

813

595

496

547

201

240

1,048

July

370

360

340

320

330

340

300

280

26O

250

700

1,850

1,600

850

1,200

900

750

640

560

520

470

44O

410

400

410

400

370

340

320

340

330

Per 

square 

mile

3.95

11.6

18.1

9.00

13.0

19.8

3.71

5.81

4.25

3.54

3.91

1.44

1.71

7.49

Aug.

296

2 86

'75

'60

245

240

t

'35

65

'45

226

221 '.21

'12

'04

195

190

;

;

IBS

78

L75

171

167

L63

L63

L59

156

156

152

; L38

L52

L48

148

Sept.

145

135

178

204

175

206

530

458

1,030

458

330

275

245

221

208

204

190

178

171

167

163

159

156

152

148

145

145

141

138

138

-

Rrnoff

Inches

4.55

12.96

20.82

122.20

14.96

20.61

4.27

6.48

4.90

3.95

4. 50

lies

1.91

101.56

Acre feet

34,000

96,770

155,500

912,600

111,700

153,900

31,910

48,390

36,590

29,490

33,620

12,350

14,270

758,500

f Computed on basis of partly estimated gage-height record.

Note.- No gage-height record Dec. 3 to Jan. 2, Jan. 4 to Feb. 19, Feb. 21 to Apr. 14, Kay 20 to 

June 23, June 26 to July 29; discharge computed on basis of recorded range in stage and records 

for nearby streams.
46 HOH RIVER BASIN

Hoh River near Spruce, Wash.

Location.- Water-stage recorder, lat. 47°48'20", long. 1

R. 11 W., 1 mile downstream from Maple Creek, 2^ miles downstream from Spruce, and 5

miles downstream from South Fork. 

Drainage area.- 193 square miles. 

Records available.- August 1926 to September 1947. 

Average discharge.- 21 years, 1,913 second-feet. 

Extremes.- Maximum discharge during year, 15,700 second-feet Feb. 13 (gage height, 12.79

feet); from rating curve extended above 10,000 second-feet; minimum, 400 second-feet

Oct. 18, 19 (gage height, 0.68 foot).

1926-47: Maximum discharge, 40,000 second-feet Nov. 5, 1934 (gage height, 21.2

feet, from high-water mark in gage structure), from rating curve extended above 10,000

second-feet on basis of velocity-area studies {gage observer noted water higher on this

day than at any other time during his 43 years of residence on the bank of the stream);

minimum, 247 second-feet Nov. 14, 15, 1929; minimum gage height, that of Oct. 18, 19,

1946. 

Remarks.- Records good. No diversion or artificial regulation. Large diurnal fluctuation

during summer months caused by melting of glaciers at source.

Rating tables, water year 1946-47 (gage height, in feet,

and discharge, in second-feet) 

(Shifting-control method used Sept. 6-3O)

Oct. 1 to June 8 June 9 to Sept. 30

0.7 400 3.0 1,260 8.O 6,550 1.2 556 3.5 1 

1.0 460 3.5 1,550 9.0 8,190 1.5 655 4.0 1 

1.3 532 4.0 1,890 10.0 9,95O 2.0 84O 5.0 Z 

1.6 622 5.0 2,680 11.0 11.9OO 2.5 1,080 6.3 4 

2.O 770 6.0 3,720 12. O 13,900 3.O 1.32O 

2.5 1,000 7.0 5,040

Discharge, in second- f eet , water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26

27 

28 

29

30 

31

Oct.

590 

532 

494 

494 

482

460 

506 

494 

460 

450

439 

439 

439 

460 

439

419 

410 

400 

460 

1,120

950 

1,500 

1,340 

2,630 

3,980

1,960 

1,370 

1,080 

950 

856 

1,030

Nov.

1,100 

902 

812

750 

730

856 

730 

674 

674 

730

656 

622 

590 

575 

5RO

532

711 

750 

856 

622

590 

4,610 

5,480 

3,380 

3,490

3,380 

6,360 

4,620 

3,600 

2,630

Dec.

2,470 

5,250 

8,920 

7,820 

4,980

3,720

4,350 

4,350 

4,460 

8,260

8,770 

6,320 

6,710 

4,760 

3,600

2,870

2,420 

2,180 

1,960 

1,890

1,890 

1,750 

1,580 

1,460 

1,370

1,340 

1,260 

1,200 

1,100 

1,020 

1,OOO

Jan.

950 

902 

856 

812 

879

834 

77O 

750 

750 

1,790

1,320 

1,120 

1,000 

879 

834

834 

856 

1,680 

1,610 

1,370

1,960 

3,840 

6,310 

8,470 

9,380

6,100 

3,960 

2,970 

2,500 

2,180 

1,890

Month

Octo 

Hove 

Deee

Ca

Janu 

Febr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

ffa

bar .......................

mber ......... ..... ......

lendftr year 1946 .........

ary

h ............... ......

st ........................

ember .....................

ter year 1946-47 ..........

Feb.

2,910 

6,260 

3,270 

2,590 

2,260

2,180 

2,100 

2,030 

1,890 

2,100

5,490 

12,300 

13,000 

12,000 

6,710

4,480 

3,380 

2,870 

2,500 

2,180

2,030

1,890 

1,820 

1,680 

1,520

1,400 

1,320 

1,230

Secondfoot-days

27,633 

52,422 

110,830

736,247

70,356 

105,390 

35,719 

44,895 

50,780 

52,930 

46,710 

28,943 

24,679

653,287

Mar.

1,150 

1,120 

1,120 

1,050 

975

926 

926 

379 

950 

1,610

1,520 

1,290 

1,290 

1,290 

1,320

1,340 

1,400 

1,370 

1,260 

1,200

1,320 

1,320 

1,180 

1,150 

1,020

926 

879 

856 

902 

1,080 

1,100

Maximum

3,980 

6,360 

8,920

8,920

9,380

13,000

1,610 

3,180

2,870 

4,080 

3,170 

1,290 

1,660

13,000

Apr.

1,340 

1,300 

1,020 

975 

1,000

1,000 

950 

1,050 

1,120 

1,640

1,430 

1,290 

1,320 

1,460 

1,550

1,550

1,690 

2,030 

3,180 

2,340

1,820

1,550 

1,430 

1,370 

1,320

1,340 

1,460 

1,520 

1,960 

2,100

May

2,870 

2,870 

2,340 

1,960 

1,750

1,750 

1,890 

1,820 

1,750 

1,520

1,400 

1,370 

1,320 

1,210 

1,180

1,180 

1,100 

1,100 

1,320 

1,340

1,400 

1,370 

1,370 

1,640 

1,820

1,890 

1,960 

1,820 

1.S80 

1,460 

1,430

Minimum

400 

532 

1,000

400

750 

1,230 

856 

950 

1,100 

1,290 

1/080 

7O8 

572

400

June

1,490 

1,430 

1,320 

1,290 

1,290

1,370 

1,550

3,360 

4,080 

2,870

2,000 

1,720 

1,600 

1,540 

1,400

1,790 

1,860 

1,660 

1,540 

1,420

1,320 

1,340 

1,420 

1,540 

1,600

2,060 

2,400 

1,790 

1,480 

1,400

Mean

891 

1,747 

3,575

2,017

2,270 

3,764 

1,152 

1,496 

1,638 

1,764 

1,571 

934 

823

1,790

July

1,420 

1,450 

1,370 

1,290 

1,450

1,600 

1,370 

1,210 

1,180 

1,210

1,720 

3,170 

2,970 

2,2^0 

2,530

2,160 

1,830 

1,730 

1,720 

1,540

1,4-?0 

1,310 

1,260 

1,3?0 

1,260

1,140 

1.C80 

1,180 

1,160 

1,110 

1,110

Per 

square 

mile

4.62 

9.05 

18.5

10.5

11.8 

19.5 

5.97 

7.75 

8.49 

9.14 

8.14 

4.84 

4.26

9.27

,600 

,930 

,770 

,180

Aug.

1,160 

1,260 

1,290 

1,240 

1,080

989

989 

1,040 

966 

922

922 

922 

966 

966 

989

989 

944 

901 

840 

763

726 

708 

726 

763 

782

820 

860 

860 

860 

360 

840

Sept.

820 

820 

840 

989 

901

882 

1,290 

944 

1,660 

1,040

901 

860 

801 

726 

708

744 

690 

621 

588 

572

638 

744 

763 

763 

726

726 

744 

726 

726 

726

Runoff

Inches

5.32 

10.10 

21.36

141.87

13.56 

20.31 

6.88 

8.65 

9.79 

10.20 

9.39 

5.58 

4.76

125.90

Acre- feet

54,810 

104,000 

219,800

1,460,000

139,500 

209,000 

70,850 

89,050 

100,700 

105,000 

96,610 

57,410 

48,950

1,296,000
QUILLAYUTE RIVER BASIN 

Soleduck River near Fairholm, Wash.

47

Location.- Water-stage recorder, lat. 48°02'30", long. 123°57'30", in lot 4, sec. 35, T. 

30 N., R. 10 W., 300 feet downstream from South Fork, 2.5 miles southwest of Falrholm, 

and 17 miles east (revised) of Beaver.

Drainage area.- 84 square miles.

Records available.- October 1917 to September 1921, October 1933 to September 1947.

Average discharge.- 18 years, 594 second-feet.

Extremes.- Maximum discharge during year, 8,160 second-feet Feb. 13 (gage height, 8.60 

 feet), from rating curve extended above 5,500 second-feet; minimum, 64 second-feet

Sept. 30.

1917-21, 1933-47: Maximum discharge, 24,300 second-feet Dec. 21, 1933 (gage height,

14.9 feet), from rating curve extended above 5,000 second-feet; minimum, 51 second-feet

Sept. 11, 12, 19i4 (gage height, 1.07 feet).

Remarks.- Records good. No diversion or regulation.

Rating tables, water year 1946-47 (gage height, in feet, 

and discharge, In second-feet)

Oct. 1 to Feb. 13 Feb. 14 to Sept. 30

1.4 62

1.6 93

1.8 133

2.0 178

2.3 257

2.6 354

3.0 520

3.5 790

4.0 1,120

4.5 1,550

5.0 2,040

5.5 2,610

6.0 3,260

6.5 3,990

7.0 4,810

7.7 6,160

2.3 

2.6

253

354

1.4 54

1.7 98

2.0 166

Note.- Same as preceding 

table above 2.6 feet.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

102 

95 

90 

93 

91

86 

102 

95 

88 

83

79 

78 

76 

76 

75

73 

73 

72 

81 

202

£57 

459 

380 

596 

811

403 

281 

229 

213 

198 

273

Nov.

297 

232 

208 

198 

193

221

203 

183 

196 

229

193 

178 

169 

162 

155

148

237 

237 

193 

178

171 

1,680 

1,770 

1,020 

1,220

1,160 

2,560 

1,640 

1,280 

915

Dec.

766 

2,040 

3,920 

3,150 

1,790

1,320 

1,470 

1,460 

1,740 

3,580

3,410 

2,230 

2,180 

1,500 

1,120

882 

766 

680 

642 

626

636 

595 

535 

511 

479

470 

435 

403 

380 

358 

350

Jan.

333 

319 

310 

297 

316

297 

278 

266 

266 

672

465 

391

347 

313 

303

303 

313 

624 

585 

479

719

1,610 

2,530 

3,750 

3,800

2,120 

1,240 

948

772 

670 

580

Month

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Hare 

Apr! 

May 

June 

Julj 

Augu 

Sept

Wa

lendar year 1946 

ary

ember .....................

ter year 1946-47 ..........

Feb.

924 

2,390 

1,120 

820 

730

686 

648 

636 

615 

714

2,180 

5,660 

5,940 

5,030 

2,480

1,500 

1,160 

980 

850 

760

702 

664 

653 

600 

550

515 

483 

457

Second 

foot-days

5,910 

17,426 

40,424

233,632

26,216 

40,447 

13,339 

15,163 

14,944 

12,667 

8,151 

3,392 

2,670

200,749

Mar.

431 

415 

415 

387 

369

350 

350 

340 

350 

520

515 

457 

461 

470 

506

545 

565 

535 

492

470

506 

502 

427 

415 

380

344 

333 

319 

336 

411 

423

Maximum

811 

2,560 

3,920

3,920

3,800 

5,940 

565 

1,090 

979 

915 

444 

161 

216

5,940

Apr.

452 

380 

350 

340 

347

340 

336 

372 

403 

555

488 

465 

506 

545

555

525 

580 

658 

1,090 

766

590 

511 

470 

440 

431

444 

479 

497

600 

648

May

979 

915 

686 

580 

535

540 

585 

565 

545 

470

435 

431 

399 

369 

361

384 

358 

358 

415 

403

407 

380 

391 

423 

483

483 

492 

444 

387 

365 

376

Minimum

72 

148 

350

72

266 

457 

319 

336 

358 

305 

169 

81 

65

65

June

384 

372 

358 

372 

407

415 

399

656 

915 

680

511

452 

427 

399 

376

427 

427 

387 

369 

350

326 

322 

333 

340 

330

419 

492

387 

330 

305

Mean

191 

581 

1,304

640

846 

1,445

430 

505 

482 

422 

263 

109 

89.0

550

July

305 

302 

288 

272 

285

288 

256 

238 

228 

225

266 

444 

411

322 

372

344 

299 

279 

265 

244

234 

219 

210 

219 

216

202 

188 

196 

193 

174 

169

Per 

square 

mile

2.27 

6.92 

15.5

7.62

10.1 

17.2 

5.12 

6.01 

5.74 

5.02 

3.13 

1.30 

1.06

6.55

A'lg.

161 

154 

151 

146 

139

136 

132 

136 

127 

120

123 

116 

112 

110

102

102 

98 

96 

96 

95

93 

91 

90 

88 

84

83 

83 

81 

81 

83 

83

Sept.

78 

78 

78 

83 

81

95 

151 

118 

216 

154

116 

100 

95 

84 

83

81 

78 

76 

74 

72

70 

70 

7O 

69 

68

68 

68 

66 

65 

65

Runoff

Inches

2.6?

7.73 

17.90

103.44

11.61 

17.91 

5.91 

6.71 

6.62 

5.61 

3.61 

1.50 

1.18

88.90

Peak discharge.- Dec. 3 (7 a.m.) 4,990 sec. -ft. ; Jan. 24 (2 a.m.) 5,360 sec. -ft.; Jan.

Acre feet

11,720 

34,560 

80,180

463,400

52,000 

80,230 

26,460 

30,080 

29,640 

25,120 

16,170 

6,730 

5,300

398, ZOO

25 (2 p.m.)

4,810 see.-ft.; Feb. 13 (6:30 p.m.) 8,160 sec.-ft.
46 ELWHA RIVER BASIN 

Elwha River at McDonald Bridge, near Port ftngeles, Wash.

Location.- Water-stage recorder, lat. 48°03'20", long. 123°34'55", in NE^NWij sec. 33, T. 30 

w., K. 7 W., at site of McDonald Bridge (now removed), half a mile upstream from Little 

River, 7 miles upstream from mouth, and 8 miles southwest of Port Angeles. Datum of 

gage is 200.00 feet above mean sea level, datum of 1929.

Drainage area.- 262 square miles.

Records available.- October 1897 to December 1901, October 1918 to September 1947.

average discharge?- 33 years, 1,413 second-feet (adjusted for storage since April 1927).

Extremes.- Maximum discharge during year, 13,000 second-feet (regulated) Feb. 13 (gage 

Height, 17.48 feet); minimum, 53 second-feet (regulated) Sept. 23, 24, 28 (gage height, 

8.14 feet); minimum daily, 98 second-feet (regulated) Sept. 1.

1897-1901, 1918-47: Maximum discharge, 26,700 second-feet Dec. 21, 1933 (gage height, 

10.5 feet, site and datum then in use, from floodmarks), computed on basis of spillway 

and turbine records at Lake Mills; minimum daily, 10 second-feet (regulated Oct. 3, 

1938.

Remarks.- Records good. Flow regulated by Lake Mills on Elwha River, lat. 48°00 | 05", long. 

iai!"36'00" 4 miles north of Elwha, which was completed in 1927 for development of 

power. Usable capacity, 38,650 acre-feet at elevation 610 feet. Change .in contents 

determined from 12 p.m. elevations based on twice-daily staff-gage readings. Flow diverted through Glines Canyon powerhouse and returned to river above gage.

Cooperation.- Lake Mills gage heights furnished by Crown Zellerbach Corp.

Rating tables, water year 1946-47 (gage height, in feet,

and discharge, in second-feet) 

(Shifting-control method used June 22 to Sept. 30)

Oct. 1 to Feb. 18 Feb. 19 to Sept. 30

8.4 164 10.0 1,370 

8.7 321 10.5 1,870 9.0 528 11.0 2,400

9.3 761 11.5 2,950 

9.6 1,010 12.0 3,550

Discharge, in second- feet.

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

428 

428 

512 

525 

480

410 

422 

553 

438 

394

360 

438 

550 

500 

512

382 

350 

354 

310 

168

396 

491 

490 

673 

962

1,070 

1,030 

804 

929 

777 

684

Nov.

630 

562 

608 

563 

679

578 

590 

569 

498 

618

513 

567 

458 

354 

242

432 

448 

526 

530 

362

490 

621 

677 

761 

1,000

1,380 

2,780 

2,170 

1,970 

1,370

Month

Octo 

Hove 

Dece

Cal

Janu 

Febr 

Hare 

Apri 

Hav

June 

July 

Augu 

Sept

Wat

mber. ...........

endar year 1946 

ary

ember. ..........

er year 1946-47

Dec.

1,260 

2,390 

4,930 

5,480 

3,320

2,420

2,210 

2,070 

1,970 

3,500

4,840 

3,550 

3,910 

3,460 

2,680

2,180 

1,820 

1,730 

1,510 

1,510

1,510 

1,470 

1,470 

1,070 

993

1,340 

1,200 

1,180 

1,040 

946 

904

Jan.

826 

859 

902 

879 

658

768 

699 

794 

764 

880

906 

964 

746 

754

712

692 

685 

1,060 

1,040 

980

868 

972 

2,430 

4,480 

4,300

3,320

2,300 

2,140 

1,610 

1,550 

1,330

13.0 4,860 8.3 87 10.0 

14.0 6,410 8.6 186 10.5 

15.0 8,150 8.9 325 11.0 

16.6 11,200 9.2 502 11.7 

9.5 715

water year October 1946 to September 1947

Feb.

1,730 

3,200 

1,950 

1,680 

1,620

1,550 

1,320 

1,370 

1,210 

1,330

3,160 

8,660 

9,860 

11,200 

6,780

4,910 

3,530 

3,460 

2,270 

2,280

1,960 

1,830 

1,800 

1,620

1,510

1,420 

1,370 

1,310

Mar.

,210 

,210 

,210 

,210 

,080

970 

938 

915 

927 

986

969 

992 

980 

956 

866

958 

1,400 

1,590 

1,460 

1,390

1,400 

1,550 

1,350 

1,380 

1,110

1,100 

1,090 

1,060 

1,040 

1,090 

1,080

Observed

Discharge in 

second-feet

Maximum

1,070 

2,780 

5,480

5,480

4,480 

11,200 

1,590 

2,010 

2,520 

2,980 

1,530 

818 

563

11,200

Minimum

168 

242 

904

217

658 

1,210 

866 

689 

1,160 

934 

625 

298 

98

98

Mean

543 

785 

2,254

1,531

1,351 

3,068 

1,144 

1,198 

1,856 

1,582 

1,065 

544 

345

1,300

Runoff 

in 

acre-feet

33,360 

46,700 

138,600

1 , 108 , 000

83 , 040 

170,400 

70,350 

71,270 

114,100 

94,120 

65,490 

33,450 

20,510

941,400

Apr.

1,080 

1,060 

1,090 

1,040 

994

946 

984 

1,010 

1,000 

823

838 

846 

689 

904 

1,050

1,030 

1,120 

1,650 

2,010 

1,780

1,430 

1,310 

1,300 

1,280 

1,270

1,190 

1,440 

1,610 

1,690 

1,470

Bay

1,850 

2,390 

2,050 

1,720 

1,690

1,710 

2,090 

2,200 

2,070 

1,830

1,720 

1,690 

1,480 

1,460 

1,460

1,450 

1,380 

1,160 

1,330 

1,510

1,790 

1,610 

1,680 

2,020 

2,520

2,500 

2,520 

2,480 

2,260 

2,050 

1,860

Change in

contents 

in 

Lake Mills 

(acre-feet)

-1,610 

+4,450 

-470

-80

+550

-40 

-430 

+430 

-260 

+260 

-510 

-520 

-250

+1,600

June

1,850 

1,780 

1,660 

1,510 

1,650

1,720 

1,690 

2,400 

2>980 

2,130

1,660 

1,350 

1,590 

1,480 

1,330

1,470 

1,730 

1,590 

1,480 

1,390

1,240 

934 

1,210 

1,510 

1,630

1,560 

1,560 

1,170 

1,080 

1,120

Jul""

1,160 

1,480 

1,530 

700 

958

1,100 

1,170 

1,C50 

1.C60 

1,070

1,070 

1,4-70 

I,f20 

1,?50 

1,310

1,210 

1,130 

1,140 

1,160 

1,060

1,070 

1,020 

914 

906 

832

860 

750 

810 

836 

795 

625

1,120 

1,610 

2,160 

3,010

Aug.

632 

764 

800 

818 

727

704 

654 

604 

628 

535

598 

512 

522 

555 

700

569 

373 

477 

458 

612

476 

428 

371 

298 

434

436 

367 

352

444 

560 

455

Sept.

98 

467 

370 

262 

312

400 

476 

563 

510 

551

520 

410 

398 

305 

349

307 

303

304 

276

415

188 

292 

262 

270

284

256 

266 

227 

344 

353

Adjusted for change in 

reservoir contents

Runoff 

in 

acre- fee

Discharge in 

second-feet

t Mean

31,750 516 

51,150 860 

138,100 2,246

1,108,000 1,531

83,590 1,359 

170,400 3,068 

69,920 1,137 

71,700 1,205 

113,800 1,851 

94,380 1,586 

64,980 1,057 

32,930 536 

20,260 340

943,000 1,302

Per 

square 

mile

1.97 

3.28 

8.57

5.84

5.19 

11.7 

4.34 

4.60 

7.06 

6.05 

4.03 

2.05 

1.30

4.S7

Runoff

inches

2.27 

3.66 

9.88

79.33

5.98 

12.19 

5.00 

5.13 

8.14 

6.75 

4.65 

2.36 

1.45

67.46
DUNGENESS RIVER BASIN 49

Dungeness River near Sequim, Wash.

Location.- Water-stage recorder, lat. 48°00'40", long. 123°07'50", in SW£SE£ sec. 12, T. 

ay N., R. 4 W., three-quarters of a mile upstream from Canyon Creek, 4j miles southwest of Sequim, and llf miles upstream from mouth.

Drainage area.- 156 square miles.

Records available.- June 1937 to September 1947. July 1897 to July 1898 at site about 2 

miles downstream; June 1923 to September 1930 at site half a mile downstream.

Average discharge.- 17 years (1923-30, 1937-47), 323 second-feet.

Extremes.- Maximum discharge during year, 2,530 second-feet Feb. 12 (gage height, 5.48 

feet)"; minimum, 91 second-feet Nov. 15, 16 (gage height, 2.60 feet).

1897-98, 19£3-30, 1937-47: Maximum discharge, 5,380 second-feet Dec. 28, 1937 

(gage height, 6.85 feet), from rating curve extended above 1,500 second-fe'st; minimum observed, 77 second-feet Sept. 10, 1928.

Remarks.- Records good. No diversion or regulation.

Rating tables, water year 1946-47(gage height, in feet, 

and discharge, in second-feet)

Oct. 1 to Feb. 11 Feb. 12 to Sept. 30

2.6 91 3.6 421 2.7 1O4 3.5 380 4.6 1,260 

2.8 133 4.0 665 2.9 148 3.8 560 4.8 1,500 

3.0 188 4.4 1,020 3.2 244 4.2 860 5.2 2,05O 

3.3 291

Discharge, in second- feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6

7 

8 

9 

10

11 

12 

13

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

138 

131 

126 

126 

122

115 

131 

128 

115 

110

108 

106 

106 

108 

104

100 

99 

97 

97 

157

149 

151 

138 

174 

295

201 

156 

138 

141 

133 

133

Nov.

131

117 

115 

117 

117

119 

112 

110 

112 

117

104 

102 

100 

99 

97

95 

104 

115 

99 

99

93 

391 

510 

295 

240

220 

404 

352 

284 

230

Dec.

214 

340 

703 

893 

582

421 

335 

299 

265 

287

490 

437 

457 

437 

379

319 

284 

265 

258 

258

276 

265 

258 

244 

234

234 

227 

198 

191 

191 

185

Jan.

182

168 

185 

207 

165

156 

154 

151 

151 

191

185 

174 

159 

141 

174

185 

156 

171 

168 

154

154 

210 

307 

711 

966

758 

525 

412 

344 

307 

265

Feb.

339 

953 

479 

374 

327

303 

287 

272 

261 

258

529 

1,830 

2,050 

2,050 

1,490

960 

712 

630 

567 

508

465 

430 

413 

386 

370

350 

330 

321

 _ .. SecondMonth foot-days

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Hare 

Apri 

May 

June 

July 

Augu 

Sept

Wa

raber ......................

4,133 

5,200 

0,426

lendar year 1946 ......... 126,346

ary

ember .....................

8,336 

8,244 

9,472 

0,415 

9,293 

6,544 

0,728 

5,759 

3,908

ter year 1946-47 .......... 122,458

Mar.

303 

294 

290 

273 

256

248 

248 

244 

240 

248

237 

226 

230 

248 

273

321 

375 

391 

391 

391

408 

408 

380 

340 

316

290 

281 

277 

294 

391 

360

Maximum

295 

510 

893

1,020

996 

2,050 

408 

508 

923 

896 

483 

256 

179

2,050

Apr.

335

312 

294 

285 

260

a 250 

a 245 

a240 

a240 

a240

230 

230 

248 

299 

386

424 

483 

477 

459 

424

380 

360 

350 

345 

350

396 

483 

508 

441 

441

May

489 

780 

690 

595 

560

574 

698 

728 

675 

581

554 

560 

554 

502 

489

459 

435 

418 

453 

514

574 

560 

567 

675 

742

804 

896 

923 

804 

742 

698

Minimum

97 

93 

185

93

141 

258 

226 

230 

418 

360 

237 

138 

110

93

June

652 

645

595 

581 

581

581 

660 

896 

804 

638

547 

521 

534 

502 

471

534 

581 

547 

534 

459

430 

453 

495 

540 

560

567 

508 

408 

360 

360

Mean

133 

173 

336

346

269 

652 

306 

347 

622 

551 

346 

186 

130

336

July

391 

413 

386 

380 

418

435 

370 

345 

340 

350

386 

483 

477 

430 

424

370 

345 

375 

370 

330

312

303 

281 

273 

260

244 

237 

264 

244 

244 

248

Per 

square 

mile

0.853 

1.11 

2.15

2.22

1.72 

4.18 

1.96 

2.22 

3.99 

3.53 

2.22 

1.19 

.833

2.15

Aig.

244 

248 

252 

256 

240

219 

219 

222 

212 

198

195

189 

186 

186 

189

189 

186 

179 

173

162

151 

143 

143 

141 

138

141 

146 

148 

151 

159 

154

Sept.

146 

143 

141 

150 

148

143 

179 

150 

150 

143

136 

129 

131 

124 

122

129 

124 

118 

114 

110

110 

114 

122 

120 

120

120 

120 

118 

118 

116

Runoff

Inches

0.99 

1.24 

2.49

30.12

1.99 

4.35 

2.26 

2.48 

4.60 

3.94 

2.56 

1.37 

.93

29.20

Acre-feet

8,200 

10,310 

20,680

250,600

16,530 

36,190 

18,790 

20,660 

38,270 

32,810 

21,280 

11,420 

7,750

242,900

Peak discharge.- Dec. 4 (4 a.m.) 1,020 see. -ft.; Jan. 25 (6 p.m.) 1,350 sec. -ft.; Feb. 2 (2:30

a No gage-height record; discharge computed on basis of records for Dosewallips River nesr Brinnon.
50 DOSEWALLIPS RIVER BASIN

Dosewallips River near Brinnon, Wash.

Location.- Water-stage recorder, lat. 47°43', long. 123°00' , in SW& sec. 24, T. 26 N,, R. 

aw., half a mile upstream from Corrigenda ranger station, 5| miles northwest of 

Brinnon, and 7-| wiles upstream from mouth.

Drainage area.- 94 square miles.

Records available.- October 1930 to September 1947.

Average discharge.- 17 years, 443 second-feet.

Extremes.- Maximum discharge during year, 3,650 second-feet Feb. 12 (gage height, 6.14 

reet); minimum, 93 second-feet Nov. 16 (gage height, 1.82 feet).

1930-47: Maximum discharge, 10,900 second-feet Nov. 5, 1934 (gage height, 9.57 

feet), from rating curve extended above 4,500 second-feet; minimum, 65 second-feet 

Dec. 4, 1936 (gage height, 1.71 feet).

Remarks.- Records excellent. No diversion or regulation.

Rating tables, water year 1946-47 (gage height, In feet, 

and discharge, In second-feet)

Oct. 1 to Feb. 12 Feb. 13 to Sept. 30

1.8 89 2.7 335 4.5 1,520 1.8 88 2.1 331 4.5 1,500 

£.0 129 3.0 462 5.0 2,050 2.0 127 3.0 457 5.0 2,040 

2.2 177 3.5 725 5.8 3,110 2.Z 173 3.5 715 5.6 2,820 

2.4 233 4.0 1,080 2.4 229 4.0 1,060

Discharge, in second-feet, water year October 194S to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

147 

134 

131 

131 

127

125 

131 

129 

125 

121

118 

114

116 

118 

112

108 

106 

104 

110 

259

203 

264 

199 

326 

479

252 

193 

162 

160 

147 

147

Nov.

145 

131 

129 

127 

127

134 

127 

123 

123 

123

110 

108 

106 

106 

±02

97 

112 

123 

108

110

108 

570 

790 

413 

351

563 

794 

580 

467 

367

Dec.

351 

667 

1,720 

1,740 

988

677 

548 

476 

430 

593

955 

753 

932 

816 

633

514 

444 

400 

379 

367

371 

347 

355 

305 

305

302 

288 

271 

258 

248 

245

Jan.

239 

227 

224 

213

216

207 

201 

199 

199 

236

221 

210 

199 

177 

182

185 

180 

213 

207 

196

199 

288 

460 

961 

970

822 

594 

476 

409 

367 

328

Month fS«

Goto 

Nove 

Decs

Ca

Janu 

Febr 

Marc 

Apr! 

May 

June 

Julj 

Augu 

Sept

Wa

mber ......................

lendftr year 1946 

a>ry .

Feb.

348 

621 

462 

404 

379

367 

343 

331 

313

305

959 

3,010 

2,720 

2,820 

1,710

1,140 

889 

733 

649 

580

520 

486 

462 

444

421

399 

378 

362

ond-

-days

5,098 

7,174 

17,683

 182,915

st

ember .....................

10,005 

22,555 

11,815 

12,704 

21,807 

17,603 

10,846 

5,690 

3.961

ter year 1946-47 .......... 146,941

Mar

343 

335 

327 

316

298

287 

280 

270 

280 

327

316 

291 

287 

316

366

444 

540 

570 

545 

535

545 

540

471 

426 

387

362 

339 

331 

350 

404 

i87

Maximum

479 

794 

1,740

1,740

970 

3,010 

570 

627 

1,020 

1,060 

565 

257 

230

3,010

Apr.

378 

354 

335 

320 

301

287 

277 

277 

274 

270

260 

263 

301 

404 

525

575 

627 

610 

600 

525

452 

426 

421 

421 

430

505 

605 

616 

570 

495

May

626 

910 

775 

671 

644

693 

847 

854

727 

649

S10 

622 

610 

545 

515

491 

462 

457 

520 

605

678 

649 

676 

820 

910

924 

1,020 

931 

889 

769 

710

Minimum

104 

97 

245

97

177 

305 

270 

260 

457 

383 

235 

134 

101

97

June

676 

S54 

610 

605 

595

600 

721 

1,050 

924 

693

595 

575 

580 

535 

481

605 

627 

580 

535 

457

448 

481 

525 

565 

575

590 

515 

426 

387 

383

Mean

164 

239 

570

501

323 

806 

3E! 

423 

703 

587 

350 

184 

132

403

Peak discharge.- Dec. 4 (2:30 a.m.) 2,170 sec. -ft.; Feb. 12 (8:30 a.m.)

July '

412 

416 

399 

387 

416

412 

362 

347 

339 

343

3?5 

5P5

510 

426 

421

374 

354 

370 

358 

320

305 

298 

280 

263 

257

2i37 

263 

2 ISO 

241 

235 

251

Per 

square 

mile

1.74 

2.54 

6.06

5.33

3.44 

8.57 

4.05 

4.50 

7.48 

C.24 

3.72 

1.96 

1.40J

4.29

3,650 E

Aug.

254 

254 

257 

P54 

229

212 

212 

209 

200 

186

184 

181 

184 

192 

195

195

192 

176 

166 

151

145 

142 

136 

134 

140

147 

151 

151 

151 

161 

149

Sept

145 

145 

147 

163 

147

147 

230 

156 

200 

154

136 

131 

129 

119 

115

125 

115 

107 

105 

101

105 

115 

121 

117 

115

113 

115 

115 

115 

113

Runoff

Inches

2.02 

2.84 

7.00

72.37

3.96 

8.92 

4.67 

5.03 

8.63 

6.96 

4.29 

2.25 

1.57

58.14

ec.-ft.;

Acre-feet

10,110 

14,230 

35/070

362,800

19,840 

44,740 

23,430 

25,200 

43,250 

34,920 

21,510 

11,290 

7,860

291,400

Feb. 13

(8 p.m.) 3,340 sec. -ft.
DUCKABUSH RIVER BASIN 

Duckabush River near Brinnon, Wash.

51

Location.- Water-stage recorder, lat. 47°41<00", long. 123°00'40", in SW^SWi sec. 1, T. 

25 N., R. 3 W., 4j miles upstream from mouth and 5 miles west of Brinnon.

Drainage area.- 66 square miles.

Records available.- June 1938 to September 1947. August 1910 to December 1911 at practlcaiiy same site but different datum, published as Duckabush River near Duckabush.

Extremes.- Maximum discharge during year, 5,370 secnnd-feet Feb. 12 (gage height, 7.54 

f'eerj; minimum, 58 second-feet Oct. 19, Sept. 30 (gage height, 1.46 feet).

1910-11, 1938-47: Maximum discharge, 6,080 second-feet Dec. 15, 1939, Dec. 2, 1941 

(gage height, 8.07 feet); minimum, 45 second-feet Oct. 26, 28, 29, 1942 (gage height, 

1.56 feet).

Remarks.- Records good except those for periods of no gage-height record, which are poor. 

No diversion or regulation.

Rating table, water year 1946-47 (gage height, In feet, 

and discharge, In second-feet)

1.4 50 2.6 318 5.0 2,000 

1.6 78 3.0 481 6.0 3,230 

1.8 111 3.5 718 6.7 4,200 

2.0 150 4.0 1,030 

2.3 222 4.5 1,470

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

V 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

83 

80 

78 

76 

75

74 

80 

78 

75 

72

69

66 

64 

64 

63

62 

60 

59 

68 

295

248 

455 

257 

335 

398

217 

168 

140 

130 

119 

119

Nov.

124 

111 

104 

99 

97

106 

99 

94 

91 

89

83 

80 

80 

76 

74

72 

36 

108 

92 

89

89 

a 800 

al.100 

580 

521

534 

al,EOO 

a 800 

aS40 

a 450

Dec.

a 410 

a9OO 

a2,300 

a2,400 

al,250

a900 

584 

534 

485 

a 700

al,250 

al.OOO 

al,200 

a 900 

a700

516 

429 

379 

340 

318

318 

297 

270 

251 

245

242 

234 

219 

201 

196 

194

Jan.

182 

170 

163 

157 

152

150 

146 

146 

142 

199

186 

170 

' 154 

132 

130

138 

132 

168 

172 

154

165 

263 

531 

1,050 

1,140

856 

566 

433 

351 

308 

257

Feb.

318 

762 

477 

375 

344

329 

311 

294 

267 

257

1,540 

4,200 

3,640 

3,480 

1,740

1,020 

770 

638 

548 

481

429 

395 

379 

359 

336

314 

290 

277

Month Second- Montft foot-days

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Ua.ro 

Apri 

May 

June 

July 

Augu 

Sept

Wa

nber ......................

lendar year 1946 

ary .

1 .........................

st ........................

ember .....................

4,227 

8,468 

20,162

56,802

9,063 

24,570 

9,220 

8,695 

12,495 

0,479 

5,592 

2,971 

2,318

ter year 1946-47. ......... 118,260

Mar.

261 

251 

245 

242 

228

219 

212 

206 

242 

395

344 

286 

280 

308 

344

379 

433 

437 

399 

379

371 

359 

325 

290 

270

245 

228 

222 

236 

304 

280

Maximum

455

1,200 

2,400

2,400

1,140 

t,200 

437 

441 

561 

764 

311 

128 

148

4,200

Apr.

270 

254 

239 

222 

219

212 

201 

204 

206 

217

201 

199 

217 

277 

351

367 

399 

412 

441 

371

304 

283 

280 

277 

280

314 

371 

387 

395 

325

May

395 

507 

450 

399 

375

399

490 

499 

433 

375

355 

367 

371 

325 

311

297 

283 

280 

322 

351

387 

371 

387 

459 

503

512 

561 

512 

437 

403 

379

June

383 

367 

363 

351 

329

325 

416 

764 

677 

477

387 

359 

351 

322 

294

367 

383 

344 

314 

270

254 

261 

273 

297 

294

322 

283 

231 

214 

204

Minimum Mean

59 136 ' 

72 282 

194 650

59 430

130 292 

257 878 

206 297 

199 290 

280 403 

204 349 

126 180 

76 95.8 

58 77.3

58 324

1947

July

217 

217 

204 

201 

206

201 

182 

177 

174 

172

196 

311 

273 

225 

222

196 

184 

189 

174 

161

152 

150 

144 

140 

134

128 

130 

148 

132 

126 

126

Per 

square 

mile

2.06 

4.27 

9.85

6.52

4.42 

13.3 

4.50 

4.39 

6.11 

5.29 

2.73 

1.45 

1.17

4.91

Peak discharge.- Feb. 12 (7:30 to 8 a.m.) 5,370 sec. -ft.; Feb. 13 (6:30 p.m.)

Aug.

124 

126 

128 

126 

117

111 

109 

111 

106 

101

97 

97 

96 

96 

96

96 

94 

92 

89 

88

81 

80 

80 

78 

76

76 

78 

80 

80 

81 

81

Sept.

78 

75 

75 

78 

78

83 

148 

106 

128 

108

92 

36 

80 

76 

74

76 

76 

70 

64 

63

62 

62 

62 

62 

60

60 

60 

59 

59 

58

Runoff

Inches

2.38 

4.77 

11.36

88.3<5

5.11 

13.8» 

5.20 

4.90 

7.0' 

5.90 

3.15 

1.67 

1.31

66.6?

Acre-feet

8,380 

16,800 

39,990

311,000

17,980 

48,730 

18,290 

17,250 

24,780 

20,780 

11,090 

5,890 

4,600

234,600

4,620 sec. -ft.

a No gage-height record; discharge computed on basis of records for North Fork Skokomish River 

below Staircase Rapids, near Hoodsport.
SKOKOMISH RIVER BASIN

North Fork Skokomish River below Staircase Rapids, near Hoodsport, Wash.

Location.- Water-stage recorder, lat. 47°30'55", long. 123°19'45", In NW£ sec. 4, T. 23 

N., K. 5 W., three-quarters of a mile upstream from Lake Cushman, 2 miles upstream 

from Dry Creek, and ll£ miles northwest of Hoodsport.

Drainage area.- 60 square miles.

Records available.- July 1924 to September 1947.

Average discharge.- 23 years, 454 second-feet.

Extremes.- Maximum discharge during year, 5,580 second-feet Feb. 12, 13; maximum gage 

height, 8.02 feet Feb. 13; minimum discharge, 58 second-feet Oct. 18, 19, Sept. 30 

(gage height, 1.63 feet).

1924-47: Maximum discharge, 23,300 second-feet Nov. 5, 1934 (gage height, 14.4 

feet, from floodmarks), from rating curve extended above 3,200 second-feet; minimum 

recorded, 16 second-feet Sept. 2.3, 1930 (gage height, 1.12 feet).

Remarks.- Records good. No diversion or regulation.

Rating bable, water year, 1946-47 (gage height, In feet, 

and discharge, In second-feet)

1.6 54 2.9 381 5.0 1,820 

1.8 82 3.2 510 5.5 2,310 

2.0 117 3.6 730 6.0 2,870 

2.3 186 4.0 1,000 7.5 4,840 

2.6 273 4.5 1,390

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

80 

80

79 

79 

76

72 

88

79 

73 

68

67 

67 

66 

64 

62

60 

59 

58 

122

619

414 

874 

492 

605 

560

329 

251 

213 

194 

178 

198

Nov.

191 

168 

161 

161 

164

181 

159 

147 

140 

138

128 

121 

115 

113 

108

104 

157 

161 

134 

125

123 

1,390 

1,500 

718 

853

902 

2,350 

1,350 

1,040 

712

Dec.

662 

1,540 

3,480 

2,740 

1,470

1,110 

1,070 

1,000 

952 

1,730

1,860 

1,430 

1,600 

1,260 

930

730 

610 

545 

496 

465

478 

444 

402 

377 

366

366 

336 

314 

297 

280 

ZT&

Jan.

264 

248 

239 

230 

233

219 

213 

210 

205 

353

267 

239 

219

194

197

200 

194 

270 

248 

225

280 

535 

1,050 

1,900 

1,510

1,180 

754 

575 

483 

422 

373

Feb.

492 

1,280 

664 

520 

470

444 

422 

402 

385 

471

2,290 

4,700 

4,560 

4,100 

2,010

1,430 

1,110 

930 

797 

712

640 

590 

560 

525 

488

461 

426

402

u~n+v> Second 

Month foot-days

Ooto 

Nova 

Deoe

Ca

Janu 

Pebr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

Wa

mber ...................... 2

lendar year 194E 

ary

?r

1

1 ......................... i

ember .....................

6,326 

3,814 

9,616

2,447

3,729 

2,281 

2,648 

2,309 

2,398 

9,429 

5,902 

2,886 

2,519

ter year 1946-47 .......... 153,857

Peak discharge.- S

(7 a.m.) 5,580 sec.-

Mar.

377 

373 

373 

354 

329

311 

304 

293 

325 

501

448 

381 

381 

422 

478

545 

610 

590 

535 

510

510 

470 

422 

381 

343

318 

304 

397 

343 

435 

385

Maximum

874 

2,350 

3,480

3,480

1,900 

4,700 

610 

7OO 

605 

990 

534 

134 

233

4,700

Apr.

418 

351 

318 

304 

297

283 

280 

307 

318 

370

332 

329 

366 

452 

510

506 

515 

520

700

510

418 

381 

373 

366 

358

402 

444 

498 

600 

483

May

6OO 

605 

525

474 

448

483 

535 

495 

435 

389

370 

381 

370 

332 

314

314 

300 

304 

325 

329

347 

332 

351 

410 

422

426 

435 

389 

339 

314 

304

June

336 

314 

332 

297 

276

270 

362 

990 

666 

431

347 

314 

30O 

280 

264

336 

297 

273 

258 

236

230 

233 

233 

239 

236

258 

233 

208 

194 

186

Minimum Mean

58 204 

104 460 

276 955

58 555

194 443 

385 1,153 

293 408 

280 410 

300 400 

186 314 

132 190 

72 93.1 

58 84.0

58 422

1947

July

189 

186 

181 

176 

174

168 

159 

154 

150 

150

202 

534 

373 

254 

267

228 

20E 

191 

181 

166

161 

154 

150 

154 

147

138 

143 

161 

143 

134 

132

Per 

square 

mile

3.40

7.67 

15.9

9.25

7.38 

19.2 

6.80 

6.83 

6.67 

5.23 

3.17 

1 ,55 

1.40

7.03

ov. 27 (6 a.m.) 5,740 sec. -ft.; Dec. 3 (6:30 a.m.) 4,560 sec 

ft.; Feb. 13 (7 p.m.) 5,580 sec. -ft.

Aug.

134 

130 

125 

119 

11 Z

106 

108 

106 

101 

97

97 

97 

94 

96

97

92 

89 

87 

84 

80

79 

79 

79 

78 

76

74 

74 

74 

73 

76 

72

Sept.

68 

<58 

68 

68

67

106 

176 

130 

233 

134

104 

94 

85 

80 

76

74 

72 

68 

66 

63

66 

66 

66 

63 

62

60 

60 

59 

59 

58

Runoff

Inches

3.92 

8.56 

18.36

125.49

8.51

20.01 

7.84 

7.63 

7.68 

5.84 

3.66 

1.79 

1.56

95.36

Acre-feet

12,550 

27,400 

58,740

401,500

27,230 

64,030 

25,090 

24,410 

24,590 

18,700 

11,710 

5,720 

5,000

305,200

.-ft.; Feb. 12
SKOKOMISH RIVER BASIN 

North Fork Skokomish River near Potlatch, Wash.

53

Location.- Water-stage recorder, lat. 47°20', long. 123°14', in NE^-NWi sec. 7, 21 N., R. 

4 W., on left bank, three-quarters of a mile upstream from mouth and 6 miles southwest of Potlatch.

Records available.- March 1944 to September 1947.

Extremes (regulated).- Maximum discharge during year, 1,730 second-feet Feb. 14 (gage 

height, ti.UU 1'eet); minimum, 4.4 second-feet Sept. 1.

1944-47: Maximum discharge, 2,160 second-feet Feb. 7, 1945 (gage height, 6.49 

feet), from rating curve extended above 1,200 second-feet; minimum, 3.2 second-feet 

Sept. 10, 11, 1944.

Remarks.- Records good except those for periods of shifting-control, which are fair, and 

those below 10 second-feet, which are poor. Flow completely regulated by Cushman 

Reservoirs Nos. 1 and 2.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

Z 

3 

4

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

7.9 

7.9 

8.4 

7.9 

7.9

7.9 

9.0 

9.6 

9.6 

9.0

9.6 

10 

10 

11 

10

10 

11.5

11.5 

16 

56

35 

71 

46 

42 

32

23 

19.5 

17 

17 

16

tz

Nov.

26 

20 

18.5 

17.5 

17.5

18.5 

20 

25 

26 

25

24

25 

22 

21 

20

20 

23 

30 

29 

29

32 

189 

333 

172 

193

123 

130 

37 

25 

21

Dec.

15.5 

21 

49 

125

316

206 

193 

300 

244 

324

304 

320 

425 

254 

163

109 

67 

33 

37 

40

44 

47 

49 

55 

58

64 

62 

60 

53 

52 

50

Jan.

47 

44 

42 

40 

40

39 

36 

35 

35 

64

52 

53 

49 

46 

40

40 

39 

77 

97 

83

95 

172 

240 

435 

705

420 

254 

196 

166 

140 

120

Feb.

166 

312 

116 

93 

103

101 

105 

107 

109 

116

162 

435 

733 

1,200 

510

152 

81 

37 

39 

138

116 

33 

9.6 

16 

37

58 

83 

80

Month

Octo 

Move 

Dece

Ca

Janu 

Febri 

Marc 

Apr! 

Mav

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

71 

65 

62 

58 

52

49 

52 

52 

71 

97

95 

85 

76 

71 

67

62 

58 

55 

53 

50

47 

47 

46 

46 

40

37 

35 

33 

35 

39 

36

Apr.

43

37 

36 

36 

37

37 

36 

42 

46 

67

60 

55 

52 

50 

46

43 

42 

40 

49 

40

39 

36 

35 

33 

30

29 

28 

30 

44 

43

Secondfoot -days

581.2 

1,712 

4,139.5

51,137.1

3,941 

5,247.6 

1,742 

1,241 

688.5 

487.0 

378.3 

223.4 

284.7

20,666.2

May

46 

42 

39 

37 

34

34 

32 

29 

27 

25

24

23 

19 

17 

17

16 

15.5 

15.5 

14.5 

14.5

14 

14 

13 

14 

14.5

15.5 

15.5 

15.5 

16 

17 

18.5

Maximum

71 

333 

425

1,110

705 

1,200 

97 

67 

46 

27 

21 

10.5 

21

1,200

June

20 

18.5 

19.5 

18.5 

18.5

18.5 

19.5 

27 

22 

19.5

19.5 

17.5 

14.5 

15.5 

14.5

18.5 

17.5 

16 

15.5 

14.5

14.5 

13.5 

13.5 

13 

11.5

11.5 

11 

11 

11 

11.5

July

11 

10.5 

10.5 

9.6 

9.6

9.6 

10.5 

10.5 

10.5 

10.5

15.5 

21 

17.5 

14.5 

15.5

12.5 

12.5 

12.5 

11.5 

11.5

12.5 

11.5 

12.5 

12.5

12.5

11.5 

12.5 

12.5 

11.5 

11 

10.5

Minimum

7.9 

17.5 

15.5

7.3

35 

9.6 

33 

28 

13 

11 

9.6 

4.9 

4.4

4.4

Auf.

9.6 

10.5 

10.5 

10.5 

9.0

9.0 

9.0 

9.6 

9.6 

8.4

9.0 

8.4 

6.8 

6.8 

6.8

6.8 

6.8 

6.8 

6.8 

5.8

5.8 

5.3

5.8 

5.3 

4.9

4 .9 

4.9 

4.9 

4.9 

£.3 

4.9

Mean

18.7 

57.1 

134

140

127 

187 

56.2 

41.4 

22. 2 

16.2 

12.2 

7.21 

9.49

56.6

Sept.

 4.4 

5.3 

5.8 

6.3 

5.3

7.9 

21 

14.5 

17

11.5

9.6 

8.4

9.0 

9.8 

9.0

9.6

10.5 

9.6 

9.6 

9.6

9.6 

9.6 

9.6 

9.6 

9.0

9.0 

9.0 

9.0 

9.0 

8.4

Runoff In 

aere-feet

1,150 

3,400 

8,210

101,400

7,820

10,410 

3,460 

2,460 

1,370 

966 

750 

443 

565

41,000

Note.- Shifting-control method used Oct. 1 to Feb. 13, June 16 to Sept. 30.
54 SKOKOMISH RIVER BASIN

Skokomish River near Potlatch, Wash.

Location.- Water-stage recorder, lat. 47° 19 '00", long. 123° 11 '05", in NW^NWi sec. 15, 

T. 21 N. , R. 4 W., half a mile upstream from U. S. Highway 101, 2.8 miles downstream 

from North Pork, 4.7 miles southwest of Potlach, and 5.5 miles upstream from mouth. 

Prior to July 24, 1947, at datum 2.87 feet higher.

Drainage area.- 237 square miles.

Records available.- July 1943 to September 1947;

Extremes (regulated).- Maximum discharge during year, 14,100 second-feet Feb. 14 (gage 

height, 9.59 I'eet) , from rating curve extended above 10,000 second-fe^t; minimum, 

164 second-feet Oct. 17-19 (gage height, 0.12 foot, former datum).

1943-47: Maximum discharge, 16,700 second-feet Feb. 7, 1945 (gage height, 11.21 

feet, former datum), from rating curve extended above 10,000 second-feet; minimum, 

125 second-feet Sept. 14-17, 1944 (gage height, -0.01 foot, former datum).

Remarks.- Records good except those for periods of shifting control, which are fair, 

ana those for periods of faulty intake action, which are poor. In normal years 

practically entire flow of North Fork is diverted at dam No. 2 and returned to sea 

through Cushman power plant No. 2.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

Z 

3 

4

5

6 

7 

8 

9 

10

11 

IE 

13 

14 

15

16 

17 

18 

19 

£0

£1 

22 

£3 

£4 

£5

26 

27 

28 

29 

30 

31

Oct.

178 

180 

182 

180 

178

178 

180 

185 

182 

180

178 

175 

175 

173 

171

169 

167 

164 

173 

738

843 

1,500 

1,280 

1,140 

1,010

811 

652 

547 

492 

438 

451

Nov.

600 

530 

479 

443 

399

394 

373 

354 

336 

318

309 

293 

281 

270 

259

252 

270 

404 

373 

358

354 

1,910 

4,430 

3,280 

3,490

3,700 

6,700 

4,430 

3,490 

2,510

Dec.

2,030 

3,620 

5,980 

6,300 

4,880

3,700 

3,700 

4,130 

3,520 

5,180

5,180 

4,280 

5,340 

4,130 

3,150

2,570 

2,210 

1,580 

1,330 

1,180

1,090 

1,000 

883 

811 

787

771 

771 

747 

715 

668 

652

Jan.

652 

638 

630 

622 

622

615 

565 

565 

537 

760

811 

771 

715 

645 

579

517 

472 

741 

1,140 

924

1,080 

2,430 

3,280 

6,310 

6,860

5,450 

3,150 

2,270 

1,800 

1,480 

1,280

Feb.

1,400 

5,900 

2,890 

2,030 

1,690

1,430 

1,330 

1,230 

1,180 

1,180

2,250 

7,960 

9,150 

12 , 700 

6,740

4,360 

3,420 

2,960 

2,630 

2,390

2,210 

1,910 

1,380 

1,180 

1,080

992

932 

851

Month

Oeto 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Apr! 

May.

June 

July 

Augu 

Sept

Wa

lendar year 1946 

ary

ter year 1946-47 .......................

Mar.

820 

760 

800 

760 

700

680 

7OO 

680 

827 

1,440

1,480 

1,140 

924 

819 

779

747 

731 

723 

715 

699

690 

680 

670 

680 

660

640 

600 

580 

600 

620 

600

Apr.

700 

660 

620 

600 

580

570 

560 

600 

680 

900

800 

820 

680 

650 

630

62O 

610 

64O 

800 

730

660 

610 

580 

550 

530

510 

510 

560 

620 

700

Secondfoot-days

13,250 

41,589 

82,885

464,943

48,911 

85,355 

23,944 

19,280 

15,405 

10,221 

9,192 

6,272 

6,021

362,325

May

850 

820 

740 

690 

650

620 

600 

579 

560 

540

524

504 

492 

466 

460

460 

455 

460 

479 

443

449 

384 

373 

363 

368

358 

344 

354 

354 

344 

322

Maximum

1,500 

6,700 

6,300

7,330

6,860 

12 , 700 

1,480 

900 

85C 

660 

645 

248 

331

12,700

June

326 

331 

331 

322 

313

305 

318 

426

660 

517

438 

389 

373 

336 

331

358 

340 

322 

318 

309

305 

293 

289 

285 

281

285 

289 

281 

277 

273

Jvly

262 

259 

252 

252 

245

245 

245 

238 

232 

238

248 

511 

645 

420 

389

358 

326 

313 

297 

285

273 

273 

266 

270 

27O

270 

262 

270 

270 

256 

252

Aug.

248 

242 

238 

232 

229

229 

226 

226 

220 

217

214 

214 

211 

203 

198

198 

195 

195 

190 

187

185 

185 

182 

180 

178

178 

178 

175 

173 

173 

173

Minimum Mean

164 427 

252 1,386 

652 2,674

164 1,274

472 1,578 

851 3,048 

580 772 

510 643 

322 497 

273 341 

232 297, 

173 202 

169 201

164 993

Sept.

171 

169 

169 

171 

171

178 

248 

242 

331 

289

252 

226 

214 

205 

200

198 

198 

195 

192 

187

185 

185 

185 

182 

180

180 

180 

180 

180 

178

Runoff in 

acre -feet

26,280 

82,490 

164 , 400

922,200

97,010 

169,300 

47,490 

38,240 

30,560 

20,270 

18,230 

12,440 

11,940

718,600

Mote.- Intake action faulty Mar. 1-8, Mar. 21 to Hay 7, May 9, 10; discharge computed on basis of 

records for nearby streams. Mar. 20, May 22 to July 23 computed from staff-gage readings. Shifting-control method used Dec. 14 to Feb. 11, Feb. 16 to June 11, July 24 to Se-5t. 3O.
-SKOKOMISH RIVER BASIN 55

South Fork Skokomish River near Potlatch, Wash.

Location.- Water-stage recorder, lat. 47°24', long. 123°18' , in NVf£ sec. 22, T. 22 N. , R.

b W., at head of canyon, 2 miles downstream from Brown Creek and 1\ miles west of

Potlatch.

Drainage area.- 68 square miles.

Records available.- October 1923 to September 1932, September 1946 to September 1947. 

Average discharge.- 10 years, 520 second-feet.

Extremes.- Maximum discharge during period September 1946 to September 1947, 7,800 seeondi 

 feet Feb. 13 (gage neight, 11.13 feet); minimum, 75 second-feet Oct. 17-19 (gage

height, 0.95 foot).

1923-32, 1946-47: Maximum discharge, 11,500 second-feet probably Feb. 26, 1932

(gage height, 15.1 feet, from high-water marks); minimum, 38 second-feet Sept. 15,

1926. 

Remarks.- Records excellent. No diversion or regulation.

Discharge, in second-feet, 1946-47 

1946

Day

Sept. 1

2

3

4

5

6

7

3

Discharge

a98

a98

a96

94

95

97

94

93

Day

Sept. 9

10

11

12

13

14

15

16

Discharge

90

88

88

94

111

244

162

158

Day

Sept. 17

18

19

20

21

ZZ

23

24

Discharge

129

114

104

103

102

97

93

91

Day

Sept. 25

26

21

26

29

30

31

Discharge

89

88

88

86

85

36

-

a No gage-height record; discharge computed on basis of records for South Fork Skokomish 

River near Union.

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

85

88

89

88

85

84

91

89

85

82

81

80

79

77

77

76

76

75

124

765

538

1,230

828

778

684

484

360

298

263

233

280

NOT.

334

287

251

231

224

239

218

202

190

181

173

1B7

159

154

150

146

192

257

212

196

195

1,830

2,380

1,360

1,720

1,720

3,620

2,300

1,820

1,230

-

Dec.

982

2.300

4,070

3,540

2,060

1,530

1,670

1,700

1.470

2,460

2,300

1,940

2,300

1,980

1,290

1,040

879

753

661

598

598

558

484

450

418

402

373

346

321

310

298

Jan.

287

270

259

249

251

241

227

220

220

544

450

360

310

276

259

249

247

443

558

418

606

1,360

1,980

3,350

3,170

3,170

1-.460

1,100

879

730

618

Feb.

937

3,040

1,420

1,080

905

828

778

753

706

753

2,140

5,330

5,550

5,550

2,530

1,630

1,220

1,000

865

763

692

647

604

563

524

487

452

421

-

-

-

Mar.

392

392

406

378

365

352

352

340

436

988

839

647

543

524

524

505

505

469

436

406

392

378

365

365

327

315

296

285

315

392

365

Apr.

505

452

392

352

352

352

340

392

452

647

583

487

452

436

421

392

3-78

392

628

505

421

365

340

327

303

301

301

325

524

563

-

Hay

669

604

487

421

378

352

340

315

298

280

265

256

250

237

227

227

217

211

217

208

204

198

194

193

194

193

191

185

180

172

170

June

178

177

180

172

163

157

175

485

560

327

265

235

213

200

189

211

196

182

173

166

160

155

152

147

144

163

163

152

144

140

-

July

135

132

129

128

124

126

122

118

117

114

148

484

494

298

276

248

217

194

180

168

160

152

147

147

147

141

136

152

142,

134

129

Aug.

126

122

1EO

117

114

113

111

111

110

109

107

106

103

100

100

99

97

96

95

93

93

92

92

90

89

83

86

86

86

86

85

Sept.

84

34

84

84

82

100

175

142

315

189

147

1E6

116

110

104

102

100

96

93

92

89

89

86

86

85

84

84

82

82

81

-

Peak discharge.- Nov. 27 (8 a.m.) 5,330 sec. -ft.; Dec. 3 (10 a.m.) 5,550 sec. -ft.; Jan. 24 (3 a.ra

5,000 sec. -ft.; Feb. 2 (3 a.-n.) 4,890 sec.^ft.; Feb. 13 (10 p.m.) 7,800 sec. -ft.

Monthly discharge, in second-feet, 1946-47

September 1946 ................

October 1946 .................

Docdfflbor

March.............. ...........

April.........................

May...........................

July..........................

Secondfoot-days

3,155

8,352

1 T 594

244

1,230

85

75

285

105

269

439

Per

mile

1.54

3.96

[

Inches

1.73

4.57

3 351

1 7&

lunoff

Ao re-feet

6,260

16,570

378,000

903681 O - 50 - 5
56 SKOKOMISH RIVER BASIN

South Fork Skokomish River near Union, Wash.

Location.- Water-stage recorder, lat. 47°20'30", long. 123°16'30", in NEj- sec. 2, T. 21 

N., R. 5 W., 2 £ miles upstream from North Fork, 2.5 miles upstream from Vance Creek, 

and 8 miles west of Union.

Drainage area.- 81 square miles.

Records available.- August 1931 to September 1947.

Average discharge.- 16 years, 659 second-feet.

Extremes.- Maximum discharge during year, 8,160 second-feet Feb. 13 (gaga height, 8.47 

reet); minimum, 78 second-feet Sept. 5, 6.

1931-47: Maximum discharge, 21,600 second-feet. Jan. 22, 1935 (gag9 height, 11.0 

feet), from rating curve extended above 11,000 second-feet; minimum, 62 second-feet 

Sept. 18, 1938.

Remarks - Records excellent except those above 2,000 second-feet and tho^c for periods of 

shifting control, which are good. No diversion or regulation.

Rating tables, water year 1946-47, except periods of shifting cortrol 

(gage height, in feet, and discharge, in second-feet)

Oct. 1 to Nov. 22 Nov. 23 to Sept. 3O

3.1 71 4.3 470 3.0 67 4.3 65O 6.5 3,420 

3.3 106 4.6 650 3.2 116 4.6 900 7.0 4,380 

3.5 155 5.0 955 3.4 177 5.0 1,300 7.5 5,490 

3.7 214 5.7 1,640 3.7 296 5.5 1,890 8.O 6,750 

4.0 329 4.0 450 6.O 2,600

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

91 

93 

93 

91 

89

89 

95 

95 

91 

89

89 

87 

87 

87 

85

84 

84 

84

123 

708

573 

1,140 

867 

788 

706

514 

401 

333 

295 

264 

308

Nov.

382 

325 

287 

260 

253

260 

242 

224

211 

202

189 

183 

175 

169 

161

155 

189 

283 

228 

214

211 

1,580 

3,040 

1,890 

2,170

2,230 

4,230 

2,680 

2,160 

1,520

Dec.

1,260 

2,520 

4,480 

4,280 

2,600

1,960 

2,020 

2,090 

1,760 

2,830

2,750 

2,240 

2,600 

2,020 

1,520

1,230 

1,040 

9OO 

810 

730

714

690 

615 

566 

545

510 

486 

450 

428 

405 

329

Jan.

363 

334 

320 

310 

310

292 

279 

270 

274 

627

580 

474 

422 

368 

334

320 

315 

554 

746 

587

741 

1,560 

2,120 

4,180 

4,120

2,860 

1,760 

1,330 

1,080 

927 

819

Feb.

1,020 

3,930 

1,760 

1,330 

1,110

1,020 

972 

927 

882 

891

2,180 

5,980 

6,400 

6,360 

2,980

1,820 

1,390 

1,130 

963 

846

754 

698 

643 

601 

566

524 

504 

474

urmth SecondMonth foot-days

Octo 

Nove 

Dece

Ca

Jami 

Febr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

Wa

lendftr year 1946 

&ry

8,623 

26,303 

47,378

262,573

1 ............... .........

ember .................. . .

29,576 

48,655 

15,572 

13,662 

9,239 

5,952 

5,665 

3,151 

3,347

ter year 1946-47 .......... 217,123

Peak discharge.- N

a.m. ) 5,980 sec. -ft. 

Note.- Shifting-co

Mar.

456 

444 

462 

444 

428

405 

405 

400 

504 

1,050

981 

746 

643 

608 

594

573 

573 

538 

510 

474

456 

433 

422 

422 

384

358 

343 

329 

348 

428 

411

Maximum

1,140 

4,230 

4,480

4,480

4,180 

6,400 

1,050 

666 

643 

550 

480 

130 

293

6,400

Apr.

531 

492 

439 

405 

405

394 

374 

422 

480 

666

622 

545 

498 

474 

468

439

416 

422 

622 

531

450 

405 

374 

353 

338

324 

324 

338 

531 

580

May

643 

608 

524 

450 

405

384 

368 

348 

329 

310

292 

283 

274 

262 

253

249 

241 

237 

241 

233

225 

221 

213

213 

213

213 

213 

2O9 

202 

195 

188

Minimum

84 

155 

329

84

270 

474 

329 

324 

188 

122 

122 

88 

83

83

ov. 27 (8 a.m.) 6,230 sec. -ft.: Dec. 3 (11 

; Jan. 25 (7 p.m.) 5,490 sec. -ft.; Feb. 13 

ntrol method used Nov. 23 to Jan. 23, Feb.

June

199 

199 

202 

195 

181

174 

191 

417 

550 

338

279 

249 

225 

202 

181

199 

181 

161 

148 

145

139 

130 

125 

12E 

122

145 

151 

139 

133 

130

He an

278 

877 

1,528

719

954 

1,738 

502 

455 

298 

198 

183 

102 

112

595

July

130 

130 

128 

128 

128

130 

130 

128 

125 

122

151 

402 

480 

305 

279

257 

233 

206 

199 

184

174 

171 

164 

161 

158

148 

142 

155

145 

139 

133

Per 

square 

mile

3.43 

10.8 

18.9

8.88

11.8 

21.5 

6.20 

5.62 

3.68 

2.44 

2.26 

1.26 

1.38

7.35

Aug.

130 

122 

119 

116 

116

113 

113 

113 

113 

111

108 

106 

103 

100 

100

98 

95 

93 

93 

95

95 

93 

93 

93 

90

90 

88 

88 

88 

88 

88

Sept.

85 

85 

85 

85 

83

100 

184 

145 

293 

202

151 

133 

119 

113 

111

106 

103 

98 

95 

95

93 

90 

88 

88 

88

88 

88 

85 

85 

83

Runoff

Inches

3.96 

12.08 

21.75

120.57

13.58 

22.34 

7.15 

6.27 

4.24 

2.73 

2.60 

1.45 

1.54

99.69

a.m.) 5,860 sec. -ft. j Jan 

(9 p.m.) 8,160 sec. -ft. 

12 to Apr. 30.

Acre-feet

17,100 

52,170 

93,970

520,800

58,660 

96,510 

30,890 

27,100 

18,330 

11,810 

11,240 

6,250 

6,640

430,700

24 (3:30
UNION RIVER BASIN 57

Union River near Bremerton, Wash.

Location.- Water-stage recorder, lat. 47°31'50", long. 122°47'00", in SW^-NE-J- S3c. 34, T. 

<k ff., R. 1 W., 500 feet upstream from county bridge and 7 miles west of Bremerton.

Records available.- October 1945 to September 1947.

Extremes.- Maximum discharge during year, 218 second-feet Feb. 2 (gage height, 3.01 feet): 

minimum, 0.5 second-foot Aug. 25, 26, Sept. 1-3 (gage height, 0.50 foot).

1946-47: Maximum discharge, that of Feb. 2, 1947; minimum, that of Aug. 25, 26, 

Sept. 1-3, 1947.

Remarks.- Records good. No diversion or regulation.

Rating tables, water year 1945-47 (gage height, in feet,

and discharge in second-feet) 

(Shifting-control method used Nov. 23 to Feb. l)

Oct. 1 to Feb. 1 Feb. Z to Sept. 3O

0.6 0.7

.7 1.0

.8 1.5

1.0 3.1

1.2

1.4 

1.6 

1.8

6.2

13

24

41

2.0

2.2

63

88

114

0.5 

.6 

.7

0.5 

1.0 

1.7 

2.8

1.0 

1.2 

1.4 

1.6

5.9

11

1.8 

2.0 

2.3 

2.6

111

154

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

Z 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

0.9 

.9 

.9 

.9 

.9

.8 

1.0 

1.0 

.9 

.8

.8

.8 

.9 

.9

.8

.8 

.9 

.9 

1.6 

3.9

2.9 

5.1 

3.3 

3.0 

2.6

2.3 

2.1 

2.0 

2.1 

2.2 

2.6

Nov.

2.8 

2.4

2.3 

2.2 

2.2

2.4 

2.4 

2.3 

2.2 

2.2

2.1

2.0 

2.0 

2.0 

2.0

2.0 

2.5 

4.0 

3.4 

3.3

3.2 

28 

94

76 

63

54 

80 

63 

40 

29

Dec.

23

34 

50 

61 

56

44 

37 

35 

30 

30

28 

33 

41 

38 

31

24 

19 

16 

14 

12

11 

10 

8.7 

8.1 

7.2

7.5 

8.4 

7.O 

6.4 

6.0 

5.7

Jan.

.8 

.3 

.1 

.9 

.9

.8

.8 

.6 

.6 

.8

.2 

.4 

.8 

.2

.0

6.4 

6.4 

8.1 

8.7 

8.1

9.8 

24 

41 

99

114

83 

50 

34 

25 

19 

16

Feb.

29

142 

62 

58 

28

22 

19 

17 

15 

14

20 

37 

80 

140 

78

47

30 

22 

18 

16

14 

12 

11 

9.8 

9.2

8.3 

7.8 

7.3

Month

Ooto 

Move 

Dace

Ca

Janu 

Febr 

Marc 

Apr!

June 

July 

Augu 

Sept

Ha

ber. ....................................

mber. ...................................

mber. ...................................

lendar year 1946 

ary

h. ......................................

et ......................................

ter year 1946-47 .......................

Mar.

7.O

6.8 

7.3 

7.3 

6.3

5.9

6.6 

7.0 

11 

27

28 

21 

17 

14 

12

11 

9.8 

8.9 

7.8 

7.3

7.0 

6.8 

6.6 

6.6 

5.7

5.3 

5.1 

4.9 

5.5 

5.9 

4.6

Apr.

.3 

.6 

.4 

.4 

.6

.4 

.1

.6 

.1 

.5

.6 

.6 

.3 

.3 

.O

.8 

.3

.8 

.5 

.8

.4

.0 

.8

.7 

.5

.3 

.1 

.5 

.9 

.8

Secondfoot -days

51.5 

576.9 

742.0

4,447.2

641.7 

953.4 

293.0 

131.0 

81.2 

53.6 

29.0 

2O. O 

25.6

3,598.9

May

4.4 

4.3

4.0 

3.7 

3.5

3.4 

3.3 

3.3 

3.1

3.0

2.8 

2.8 

2.8 

2.6 

2.9

2.6 

2.6 

2.6 

2.6 

2.3

2.2 

2.1 

1.9 

1.7 

1.7

1.5 

1.5 

1.5 

1.6 

1.5 

1.4

Maximum

5.1 

94 

61

115

114 

142 

28 

5.9 

4.4 

3.7 

1.6 

.7 

1.8

142

June

1.5 

1.9 

1.5 

1.4 

1.4

1 .4 

1.7 

2.7 

2.7 

3.7

3.0 

2.3 

2.1 

1.9 

1.8

2.1 

1.9 

1.8 

1.7 

1.6

1.5 

1.4 

1.4 

1.3 

1.3

1.3 

1.4 

1.4 

1.3 

1.2

July

Minimum

0.8 

2.0 

5.7

.7

4.6 

7.3 

4.6 

3.1 

1.4 

1.2 

.7 

.5 

.6

.5

.1 

.1 

.1 

.1 

.0

.0 

.0 

.9 

.9 

.8

1.2 

1.6 

l.C 

1.1 

1.1

1.0 

.8 

.8 

.8 

.8

.8 

.8

.8 

.8 

.8

.8 

.8 

.8 

.8 

.7 

.7

Me

Aug.

O.7 

.7 

.7 

.7 

.7

.6 

.6 

.6 

.7 

.7

.7 

.7 

.6 

.6 

.6

.7

.7

.7 

.7

.6 

.6 

.6 

.6 

.6

.5 

.6 

.6 

.6 

.7 

.6

an

1.66 

19.2 

23.9

12.2

20. 7 

34. C 

9.45 

4.37 

2.62 

1.79 

.94 

.65 

.85

9.86

Sept.

0.6 

.6 

.6 

.6 

.B

1.0 

1.6 

1.7 

1.8 

1.1

.9 

.8 

.8 

.7 

.7

1.1 

.9 

.8 

.8 

.8

.7 

.7 

.7 

.7 

.7

.7

.7 

.7 

.8 

.7

Bunoff In 

acre -feet

102 

1,140 

1,470

8,820

1,270 

1,890 

581 

260 

161 

106 

58 

40 

51

7,130
58 UNION RIVER BASIN

Union River near Belfalr, Wash.

Location. - Water-stage recorder, lat. 47°28'20", long. 122°49'40", in NE-j sec. 20, T. 23 

N., K. 1 W., at highway bridge 1 mile north of Belfair and 2 miles upstream from 

mouth.

Records available.- July to September 1947.

Extremes.- Maximum discharge during period, 36 second-feet Sept. 7 (gage height, 1.86 

I'eet); minimum, 13 second-feet Sept. 29 (gage height, 1.44 feet).

Remarks.- Records good. City of Bremerton at times diverts entire low-water flow about 

b miles above station.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

& 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct. Nov. Dec. Jan. Feb.

Month

Oeto 

Nove 

Deee

Ca

Janu 

Febr 

Hare 

Aprl 

May.

June 

July 

Augu 

Sept

Th<

lendar year

' period ............... .........

Mar. Apr.

Secondfoot-days

576 

503 

501

-

May

Maximum

-

22 

17 

26

.

June July

20 

20 

20 

20 

19

19 

19 

19 

18 

18

20 

2Z 

20 

19

19-

18 

18 

18 

19 

18

18 

18 

17 

18 

18

18 

18 

18 

17 

17 

17

Minimum

17 

15 

15

.

Aug.

17 

17 

17 

17

17

17 

16 

16 

16 

16

17 

16 

16 

16 

16

17 

16 

16 

16 

16

16 

16 

16 

16 

16

15 

16 

16

16 

16 

16

Mean

18.6 

16.2 

16.7

_

Sept.

16 

15 

15 

16 

16

20 

26 

21 

22 

18

17 

16 

16 

16 

16

19 

18 

16 

16 

16

15 

15 

15

15 

15

15 

15 

15 

15 

15

Runoff in 

acre -feet

1,140 

998 

994

3.130
MISSION CREEK BASIN 59

Mission Lake near Bremerton, Wash.

Location - Water-stage recorder, lat. 47°32', long. 122°50', in NE^NW^ sec. 32, T. 24 N. 

K. J. w., 300 feet from lake outlet and 9f west of Bremerton.

Records available.- June 1945 to September 1947.

Extremes.- Maximum gage height during year, 5.11 feet Feb. 14; minimum, 1.92 feet 

Sept. 5, 6.

1945-47; Maximum gage height, that of Feb. 14, 1947; minimum, that of Sept. 5, 6, 

1947.

Remarks.- No diversion or regulation.

Gage height, in feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

IS

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Dot.

2.07

2.07

3.07

3.08

3.08

3.08

3.10

2.10

2.10

2.10

2.09

2.09

2.10

2.10

2.09

2.08

2.08

2.08

2.13

2.27

2.33

2.42

3.43

2.45

2.44

2.43

2.43

2.41

2.42

2.42

2.44

Nov.

3.46

3.45

3.44

2.44

2.44

2.44

2.45

2.45

2.44

2.44

2.43

2.42

2.42

2.42

2.41

3.41

2.44

2.53

2.56

2.57

2.58

2.77

3.14

3.48

3.68

3.78

4.05

4.17

4.12

4.01

-

Dec.

3.91

3.93

4.04

4.20

4.39

4.25

4.18

4.13

4.05

3.99

3.92

3.90

3.95

3.94

3.89

3.82

3.74

3.67

3.60

3.54

3.50

3.45

3.59

3.55

3.31

3.27

3.28

3.35

3.21

3.17

3.14

Jan.

3.12

3.09

3.07

3.05

3.03

3.01

2.99

2.98

2.97

3.03

3.05

3.07

3.06

3.04

3.03

3.02

3.01

3.04

3.06

3.06

3.08

3.20

3.36

3.82

4.43

4.75

4.61

4.41

4.33

4.07

3.92

Feb.

3.89

4.62

4.72

4.51

4.31

4.13

4.00

3.87

3.77

3.69

3.71

3.86

4.15

4.96

5.00

4.70

4.44

4.23

4.04

3.90

3.78

3.68

3.59

3.49

3.42

3.36

3.30

3.25

-

-

-

liar.

3.30

3.17

3.16

3.15

3.11

3.08

3.07

3.06

3.11

3.31

3.41

3.44

3.43

3.40

3.37

3.34

3.30

3.37

3.22

3.18

3.15

3.11

3.08

3.07

3.02

2.99

3.95

3.93

2.92

2.95

2.93

Apr.

2.92

2.89

3.87

2.86

2.85

2.83

2.82

2.82

2.83

2.83

2.82

2.81

2.79

3.77

2.75

2.73

2.74

2.74

2.76

2.75

2.73

3.71

3.70

2.68

2.67

2.66

2.64

2.66

2.71

2.69

-

May

3.70

3.69

2.67

2.66

2.64

2.63

2.62

2.61

2.60

2.58

2.57

2.56

2.54

2.53

2.52

2.51

2.50

2.49

2.49

2.48

2.46

3.46

2.45

2.43

2.42

2.41

2.39

2.38

2.38

2.37

2.37

June

2.37

2.37

2.36

2.36

3.35

2.34

2,36

2.43

2.46

2.51

2.53

3.52

2.51

2:50

3.49

2.51

2.50

2.48

2.47

2.45

2.44

2.43

2.42

2.41

2.39

2.38

2.37

2.37

2.36

2.35

-

July

3.34

3.33

2.32

2.31

3.30

2.29

2.37

2.26

2.26

2.25

3.26

2.30

2.29

3.29

2.28

2.28

3.26

2.25

2.24

2.23

Z.ZZ

2.20

2.19

2.18

2.17

2.16

2.16

2.17

2.16

2. IE

3.15

Av«.

3.14

3.14

2.14

2.13

2.12

3.11

2.10

2.10

2.08

2.08

2.07

2.07

2.07

2.06

2.05

2.05

2.04

2.03

3.03

2.02

2.02

2.01

2.01

2.00

1.99

1.99

1.98

1.98

1.98

1.98

1.97

Sept.

1.96

1.95

1.95

1.94

1.93

1.96

2.. 06

2.10

3.13

2.13

2.13

2.13

2.13

2.12

2.11

2.13

3.15

2.14

2.13

2.13

2.12

2.12

2.13

2.13

2.12

3.13

2.12

2.13

2.12

2.12

-
60 MISSION CREEK BASIN 

Mission Creek near Bremerton, Wash.

Location.- Water-stage recorder, lat. 47°32', long. 122°50', In NEtNWf sec. 32, T. 24 N., 

R. 1 W., on Mission Lake, 300 feet upstream from lake outlet and 9f miles west of Bremerton.

Records available.- June 1945 to September 1947.

Extremes.- Maximum discharge during year, 51 second-feet Feb. 14 (gage height, 5.11 feet); 

 no flow Oct. 1-19, July 22 to Sept. 30.

1945-47: Maximum discharge, that of Feb. 14, 1947; no flow at times each year.

Remarks.- Records good. Mo diversion or regulation.

Rating table, water year 1946-47 (gage height, In feet,

and discharge, In second-feet) 

(Shifting-control method used Feb. 14 to Mar. 2)

2.2

2.3

2.4 

2.6 

2.8

.6 

1.5 

2.7

3.0 

3.3

3.6 

3.9 

4.2

4.0 

6.2 

9.2

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

Z

z

4

5

6 

7 

8 

9 

10

11 

12 

13 

14

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

oooo oooo ooooo

Nov.

0.8 

.8

.7 

.7 

.7

.7 

.8 

.8 

.7 

.7

.7 

.6 

.6 

.6 

.6

.6 

.7 

1.2 

1.3 

1.4

1.4 

2.5 

5.0

7.8 

10

12 

18

21 

20 

17

Dec.

15 

15 

18 

22 

24

23

21 

20

18 

17

15 

15 

16 

15 

14

13 

12 

10 

9.2 

8.5

8.0 

7.5 

7.0 

6.6 

6.3

6.0 

6.1 

5.8 

5.5 

5.2 

5.0

Jan.

4.9

4,6 

4.5 

4.4 

4.2

4.1 

4.0 

3.9 

3.8 

4.2

4.4 

4.5 

4.4 

4.3 

4.2

4.2 

4.1 

4.3 

4.4 

4.4

4.6 

5.4 

6.7 

13 

28

37 

33 

27 

22 

18 

15

Feb.

14 

34 

36 

30 

24

20 

17

14 

12 

11

11 

14 

20 

46 

47

40 

32

26 

21 

18

15 

13

11 

9.6 

8.7

8.0 

7.4 

7.0

Month 

Octo 

Move 

Dece

Ca

Janu 

Pebr 

Marc 

Aprl

Ma v

June 

July 

Augu 

Sept

Wa

ber. ....................................

nber. ...................................

Lendar year 1946

ter year 1946-47 .......................

Mar.

6.5 

6.3 

6.2 

6.1 

5.8

5.6 

5.5 

5.4 

5.8 

7.5

8.6 

8.9 

8.7 

8.5 

8.1

.8 

.4 

.2 

.6

.7 

.4 

.4

.0

.7 

.4 

.3 

.2 

.4 

.2

Apr.

4.2 

3.9

3.7 

3.7 

3.5

3.4 

3.3

3.3 

3.3 

3.3

3.3 

3.1 

3.0 

2.9 

2.8

2.6 

2.7 

2.7 

2.7 

2.7

2.5 

2.4 

2.3 

2.2

2.1

2.0 

1.9 

2.0 

2.3 

2.1

Se ondfoo -days

7.2 

130.4 

389.7

2,477. 1

295.5 

566.7 

192.6 

85.9 

35.6 

20.6 

4.2 

0 

0

1 .728.4

May

2.2 

2.1 

1.9 

1.9 

1.8

1.7 

1.6 

1.6 

1.5 

1.4

1.4

1.3 

1.2 

1.2 

1.1

1.1

1.0 

1.0 

1.0 

.9

.9

.8 

.8 

.7 

.6

.6 

.5 

.5 

.5 

.4 

.4

Maximum

0.8 

21 

24

37

37 

47 

8.9 

4.2 

2.2 

1.2 

.4 

0 

0

47

June

0.4 

.4 

.4 

.4 

.4

.4 

.4 

.6 

.8 

1.1

1.2 

1.1

.1 

.0 

.0

.1 

.0 

.9 

.9 

.8

.7 

.7 

.6 

.6 

.5

.5 

.4 

.4 

.4 

.4

Minimum

July

oooooo oo

0 

.6 

5.0

0

3.8 

7.0 

4.2 

1.9 

.4 

.4 

0 

0 

0

0

Aug.

Mean

0.23 

4.35 

12.6

6.79

9.53 

20.2

6.21 

2.86 

1.15 

.69 

.14 

0 

0

4.74

Sept.

Runoff In 

acre-feet

14

259 

773

4,910

586 

1,120 

382 

170 

71 

41 

8.3 

0 

0

3.420
MISSION CREEK BASIN

Mission Creek near Belfair, Wash.

Location.- Water-stage recorder, lat. 47°29 I 20", long. 122 0 51'40", in NW£ sec. 18, T. 23 

N., K. 1 W., 3 miles northwest of Belfair and 5 miles upstream from mouth.

Records available.- October 1945 to September 1947.

Extremes. - Maximum discharge during year, 140 second-feet Feb. 14 (gage height, 4.30 feet); 

minimum, 0.1 second-foot July 16-24, Aug. 31 to Sept. 4.

1945-47: Maximum discharge, that of Feb. 14, 1947; minimum, that of July 16-24, 

Aug. 31 to Sept. 4, 1947.

Remarks.- Records good. No regulation or known diversion.

Rating tables, water year 1946-47 (gage height, in feet,

and discharge, in second-feet)

(Shifting-control method used Oct. 1 to Dec. 4, Mar. 10-17, 

June 29 to Sept. 3O)

Oct. 1 to Feb. 13 Feb. 14 to Sept. 3O

1.2 0.4 1.8 5.S 2.8 39 .0 0.2 1.8 9.5 3.1 60 

1.3 .7 2.0 9.8 3.1 55 .2 1.4 2.O 14 3.4 79 

1.4 1.1 2.2 15 3.4 72 .3 2.2 2.2 2O 3.8 1O5 

1.6 2.6 2.5 25 3.7 93 .4 3.2 2.5 30 4.2 133 

.6 5.8 2.8 44

Discharge, in second-feet, water year October 194S to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

o.

.4 

.4 

.4 

.4 

.4 

.5

Nov.

0.

.4 

1.0 

1.0 

13 

22

26 

45 

47 

40 

32

Dec.

27 

29 

39 

50 

53

46 

41 

37 

31 

30

27 

28 

33 

31 

27

23 

20 

17 

15 

13

12 

' 10 

8.6 

7.8 

6.9

6.7 

6.5 

5.7 

5.0 

4.3 

4.0

Jan.

3.4 

3.0 

2.8 

2.7 

2.6

2.2 

2.1 

1.9 

1.9 

3.2

3.2 

3.4 

3.0 

2.4 

2.4

2.3

2.3 

3.2 

3.4 

3.3

3.7 

8.4 

14 

38 

78

86 

66 

50 

38 

31 

25

Feb.

25 

86 

78 

58 

44

35 

29 

24 

21 

19

21 

30 

53 

133 

112

81 

59 

46 

37 

32

27 

24 

21 

19 

17

15 

13 

12

Month

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl 

May

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

12 

11 

11 

11 

9.8

8.9 

9.4 

9.2 

11 

18

19 

18 

16 

15 

14

13 

12 

11 

10 

9.6

8.9 

8.5 

7.9 

7.5 

7.2

6.6 

6.3 

5.8 

5.9 

6.6 

5.9

Apr.

5.8 

5.3 

4.9 

4.8 

4.6

4.2 

4.0 

4.4 

4.5 

4.9

4.0 

3.6 

3.4 

3.2 

2.9

2.8 

2.8 

2.9 

3.6 

3.3

2.9 

2.6 

. 2.4 

2.2 

2.2

2.1 

1.9 

2.1 

3.4 

2.8

May

2.7 

2.3 

2.1 

1.7 

1.6

1.5 

1.4 

1.2 

1.1 

1.0

1.0 

.9 

.9 

.9 

.9

.9 

.9

.8 

.8 

.8

.7 

.6 

.6 

.6 

.5

.5 

.5

.6 

.6 

.6 

.6

Second- Maximuj, 

foot -days

13.0 -0.6 

235.7 47 

694.5 53

4,360.6 90

1,171 

326.0 

104.5 

31.8 

14.2 

7.2 

6.9 

8.0

86 

133 

19 

5.8 

2.7 

.8 

.4 

.3 

.5

3,105.6 133

June

0.6 

.6 

.6 

.5 

.5

.4 

.5 

.8 

.5

.7

'.5 

.3

Minimum

July

0.3 

.3 

.3 

.3 

.3

.2 

.2 

.2 

.2

.3 

.4 

.3 

.2 

.2

.2 

.2 

.2 

.2

.2 

.2 

.2 

.2 

.2

.2 

.2 

.3 

.2 

.2

A.«.

0.2 

.2 

.2 

.2

.2

.2 

.2 

.2 

.2

.2

.3 

.3 

.2 

.2 

.3

.3 

.3 

.3 

.2 

.2

.2 

.2 

.2 

.2 

.2

.2 

.2 

.2 

.3 

.3 

.1

Sept.

0.1 

.1 

.1 

-1 

.2

.5 

.5 

.4 

.5 

.2

.2 

.2 

.2

.1 

.1

.4 

.3 

.2 

.2

.2

.2 

.2 

.2 

.2 

.3

.4 

.4

.4 

.4 

.5

 __ Runoff In nean acre-feet

0.4 0.42 26 

.4 7. £6 468 

4.0 22. 4 1,380

.3 11. S 8,660

1.9 15. S 977 

12 41.8 2,320 

5.8 10.5 647 

1.9 3.48 207 

.5 1.03 63 

.3 .47 28 

.2 .23 14 

.1 .22 14 

.1 .27- 16

.1 8. SI 6,160
62 TAHUYA RIVER BASIN

Tahuya River near Bremerton, Wash.

Location.- Water-stage recorder, lat. 47°33'00", long. 122°50'30", in SE^SEj; sec. 19, T. 

24 N., R. 1 W., if miles downstream from Tahuya Lake and 10 miles west of Bremerton.

Records available.- May 1945 to September 1947.

Extremes.- Maximum discharge during year, 314 second-feet Feb. 14 (gage height, 4.04 feet); 

minimum, 0.1 second-foot Sept. 22-26.

1945-47: Maximum discharge, that of Feb. 14, 1947; minimum, that of Sept. 22-26, 

1947.

Remarks.- Records good except those for periods of no gage-height record, which are fair. 

Small diversions for domestic use. No regulation.

Rating tables, water year 1946-47 (gage height, In feet,

and discharge, in second-feet)

(Shifting-control method used Oct. 28 to Nov. 5, 

Aug. 19 to Sept. 30)

Oct. 1 to Feb. 1

1.9

2.0

0.2 

1.0 

2.8

2.2 

2.4 

2.7 

3.0 

3.3

120

168

1.5

1.6

1.7

1.8

1.9

Feb. 2 to Sept. 30

0.1

.9

2.8

5.8

10

2.0 

2.2 

2.4 

2.7 

3.0

3.3 178

3.6 230

3.9 286

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2

3 

4 

5

6 

7

e

9 

10

11 

12 

13 

14 

15

16 

17 

16 

19

eo

21 

22

23 

24 

25

26 

27 

26 

29

30 

31

Oct.

1.0 

1.0 

1.0 

.8 

.8

.6 

.8 

.8 

.9 

1.0

1.0 

1.0 

1.0 

1.3 

1.3

1.3 

1.3 

1.3 

2.2 

3.3

2.0 

4.1 

3.3 

3.5 

3.5

3.5 

4.1 

7.8 

7.9 

5.4 

4.7

Nov.

3.5 

3.5 

3.5 

3.3 

2.9

2.8 

3.0 

3.0 

3.0 

3.0

3.0 

3.0 

3.0 

2.8 

2.8

2.8 

3.3 

5.0 

5.0 

4.7

4.7 

16 

92 

122 

110

97 

123 

108 

75 

58

Dec.

45 

54 

73 

88 

90

73 

64 

58 

50 

45

39 

40 

45 

44 

40

35 

31 

28 

25 

23

20 

18 

17 

17 

16

16 

16 

16 

14 

14 

12

Jan.

12 

12 

11 

10 

9.5

9.5 

9.5 

9.0 

9.5 

14

15 

16 

16 

15 

14

13

12 

14 

16 

17

17 

28 

41 

94

170

156 

87 

59 

44 

35 

29

Feb.

36 

203 

134 

83 

58

47 

39 

35 

30 

27

36 

67 

116 

275 

169

92 

65 

49 

38 

32

27 

23 

20 

18 

16

14 

11 

11

Month

Octo 

Move 

Deoe

ca

Janu 

Pebr 

Marc 

Apr! 

Mav

June 

July 

Augu 

Sept

Ma

lendar year 1946 

ary

ter year 1946-47 .......................

Mar.

10 

10 

10

11

10

10 

10 

10 

16 

38

44 

40 

38 

28 

24

20 

18 

17 

15 

14

12 

11 

10 

10 

9.3

7.9 

7.4 

7.0 

7.4 

9.3 

8.4

Apr.

7.7 

7.0 

6.0 

5.8 

5.8

5.6

5.2 

11 

16 

13

10 

8.2 

7.2 

5.6 

5.0

4.7 

4.5 

5.2

6.2 

6.8

7.6 

9.0 

7.0 

5.6

4.7

4.0 

3.2 

3.7 

8.0 

8.6

Secondfoot-days

73.5 

872.6 

1,166

7,556.7

1,014 

1,771 

492.7 

207.9 

139.9 

98.1 

43.2 

14.7 

14.1

5,907.7

May

7.0 

5.8 

5.0 

4.2 

9.0

8.8 

5.4 

3.8 

3.1 

3.1

3.5 

4.5 

4.0 

3.7 

4.0

3.7 

3.7 

3.6 

3.6 

6.6

7.4 

5.4 

4.7 

3.9 

3.9

3.3 

3.1 

3.1 

3.1 

3.1 

2.8

Maximum

7.9 

123 

90

143

170 

275 

44 

16 

9.0 

6.5 

2.4 

.8 

1.7

275

June

2.6 

2.6 

2.6 

2.4 

2.2

2.2 

2.6 

4.7 

4.7 

6.5

5.4 

4.4 

4.2 

3.9 

3.6

3.9 

3.6 

3.3

2.4

2.2

3.6 

3.6 

3.1 

2.8

2.8 

2.6 

2.6 

2.4 

2.4

Minimum

July

2.2 

2.0 

2.2 

2.0

1.8

1.8 

1.6 

1.4 

1.4 

1.2

1.6 

2.4 

 2.0 

1.6 

1.6

1.6 

1.2 

1.1 

1.2 

1.1

.9 

.9

1.2 

1.1 

1.1

1.1 

.5 

.9 

.9 

.8 

.8

0.6 

2.8 

12

.4

9.0 

11 

7.O 

3.2 

2.8 

2.2 

.5 

.2 

.1

.1

Aug.

0.8 

.7 

.7 

.7 

.5

.4 

.4 

.5 

.4 

.4

.7 

.8 

.8 

.7 

.7

.5 

.4 

.4

.3 

.3

.3 

.3 

.4 

.4 

.4

.3 

.2 

.2 

.3 

.4 

.4

Mean

2.37 

29.1 

37.6

20.7

32.7 

63.2 

15.9 

6.93 

4.51 

3.27 

1.39 

.47 

.47

16.2

Sept.

0.3 

.3 

.3 

.3 

.3

.7 

1.4 

.8 

1.2 

.7

.5 

.5 

.4 

.4 

.4

.7 

.4 

.4 

.3 

.2

.2 

.2 

.1 

.1

.1

1.7 

.4 

.4 

.2 

.2

Runoff in 

acre-feet

146 

1,730 

2,310

14,990

2,010 

3,510 

977 

412 

277 

195 

86 

29 

28

11,710

Mote.- No gage-height record Mar. 31 to May 5, May 7, 8, 10-18; discharge computed on basis of 

records for Tahuya River near Bremerton.
TAHUYA RIVER BASIN

Tahuya River near Belfair, Wash.

Location.- Water-stage recorder, lat. 47°29'40", long. 122°54'20", in SE^SE^ see. 10, T. 

23 N., R. 2 W., half a mile downstream from mouth of stream which drains Flaeksmith 

Lake and 5 miles northwest of Belfair.

Records available.- May 1945 to September 1947.

Extremes. - Maximum discharge during year, 622 second-feet Feb. 14 (gage height, 6.23 feet); 

no flow Oct. 10-19.

1945-47: Maximum discharge, that of Feb. 14, 1947; no flow Oct. 5-14, 1945, Oct. ID19, 1946.

Remarks.- Records good. Small diversions for domestic use. No regulation.

Rating tables, water year 1946-47 (gage height, In feet, 

and discharge, In second-feet)

1.4

1.5

1.6 1.0 

5.6

Oct. 1 to Jan. Z5

Z.O 14

Z.3 33

Z.6 61

3.0 105

Jan. 26 to Sept. 30

3.5 

4.0 

4.8

168 

Z40 

.368

1.5

1.6

1.6 

6.9

Z.3

2.6 

3.0 

3.5

4.0 

4.5 

5.0 

5.9

Z27 

308 

395 

563

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

0.1

.1 

.1 

.1 

.1

.1 

.1 

.1 

.1

0

0 

0 

0 

0 

0

0 

0 

0 

0

.6

.3 

.7 

.5 

.5 

.5

.5 

.3 

.4 

.5 

2.9 

4.7

Nov.

5.9 

4.5 

3.6 

3.4 

3.1

Z.9 

Z.9 

2.9 

2.9

2.7

2.4 

2.4 

2.Z 

Z.O 

Z.O

2.0 

Z.Z 

5.0 

7.3 

7.3

6.6 

34 

154 

232 

210

196 

259 

2Z5 

172 

137

Dec.

105 

129 

174 

Z03 

196

168 

152 

152 

132 

116

98 

95 

1Z9 

119 

99

76 

65 

58 

50 

45

4E 

39 

35 

32 

29

28 

29 

28 

Z5 

23 

21

Jan.

21 

20 

18 

17 

17

17 

16 

16 

16 

Z3

Z8 

31 

31 

26 

25

23 

Z2 

26 

31 

3Z

34 

51 

86 

192 

366

344 

194 

146 

115 

100 

75

Feb.

74 

416 

Z83 

164 

1Z6

103 

83 

69 

59 

53

66 

140 

Z36 

563 

365

Z04 

155 

128 

105 

84

69 

58 

49 

4Z 

37

33 

29 

25

Month

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl

June 

July 

Augu 

Sept

Ma

lendar year 1946

ter year 1946-47 .......................

Mar.

24 

Z3

24 

24 

ZZ

ZO 

21 

Z3 

31 

94

118 

96 

86 

68 

55

46 

40 

35 

31

27

25 

23 

20 

19 

18

17 

15

14 

14

17 

15

Apr.

15

14 

12 

12

12

1Z 

11 

19 

Zl

20

17 

15

14 

11 

10

9.4 

8.9 

9.9 

11 

11

12 

14 

10 

8.1 

7.3

6.9 

6.2 

6.6 

12 

12

Secondfoot -days

13.3 

1,695.2 

2,692

16,229.7

2,159 

3,818 

1,105 

360.3 

197.3 

1Z5.6 

Z2.5 

5.5 

4.6

12,198.3

May

ll

10 

8.9 

7.7 

15

14 

11 

8.5

6.6 

5.6

5.6 

5.9 

5.6 

5.2 

5.6

5.Z 

4.9 

4.9 

4.6 

4.6

6.2 

6.9 

5.9 

4.9 

4.3

3.8 

3.5 

3.0 

3.0 

2.8 

Z.6

Maximum

4.7 

259 

203

338

366 

563 

118 

21 

15 

11 

1.6 

.3 

.3

563

June

2.6 

2.6 

2.4 

2.4 

2.2

Z.O 

2.0 

4.3 

8.9 

10

]1 

8.1 

6.6 

5.9 

5.2

5.6 

5.9

4.9 

4.3 

3.5

3.0 

2.8 

2.6 

3.0 

2.8

2.6 

2.4 

2.0 

2.2

1.8

July

.6 

.5 

.3

.2

1.0 

.8 

.7 

.6 

.6

.7 

.7 

.8 

1.0 

.9

.7

.6 

.6 

.6 

.5

.5 

.5 

.5 

.5 

.5

.5 

.4 

.5 

.4 

.3 

.3

Minimum

0 

2.0 

21

0

16 

25 

14 

6.2 

2.6 

1.8 

.3 

.1 

.1

0

Aug.

0.3 

.3 

.3 

.3 

.2

.2 

.2 

.Z 

.2 

.2

.Z

.2 

.2 

,2 

.2

.2 

.2 

.2 

.2 

.Z

.1

.1 

.1 

.1 

.1

.1

.1 

.1

.1 

.1 

.1

Mean

0.43 

56.5 

86.8

44.5

69.6 

136 

35.6 

12.0 

6.36 

4.19 

.73 

.18 

.15

33.4

Sept.

0.1 

.1

.1 

.1 

.1

.1 

.3 

.3 

.3

.2

.2 

.2 

.Z

.1 

.1

.2 

.2 

.Z 

.2 

.2

.Z 

.1

.1 

.1 

.1

.1 

.1 

.1 

.1 

.1

Runoff In 

acre-feet

26 

3,360 

5,340

32,190

4.Z80 

7,570 

2,190 

715 

391 

249 

45 

11 

9.1

24,190
64 TAHUYA RIVER BASIN

Tahuya River near Tahuya, Wash.

Location.- Water-stage recorder, lat. 47°24'20", long. 123°00'20", in SW£ sec. 12, T. 22 

PI., K. 3 W., 2j miles upstream from mouth and 2j miles northeast of Tahuya.

Records available.- July to October 1947 (discontinued).

Extremes.- Maximum discharge during period, 30 second-feet Oct. 2 (gage height, 2.88 feet); 

minimum, 6.9 second-feet Sept. 2, 3 (gage height, 2.55 feet).

Remarks.- Records good. Several small diversions above station for domestic use. No reguDischarge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

July

13

13

13

12

12

11

11

11

11

11

12

14

13

11

12

11

11-

10

9.5

9.5

9.5

9.5

9.5

9.5

9.5

10

10

11

10

9.5

9.5

Month

July

 > »: .............................. .

September ...................................

October 1-14. ...............................

The period. ................. . .......

Aug.

9.5

9.5

9.5

8.9

8.4

8.4

8.9

8.4

8.4

8.9

8.9

8.9

8.4

8.4

8.4

8.4

8.4

8.4

8.9

7.9

8.4

8.4

8.4

8.4

7.4

7.4

7.4

7.4

7.4

7.9

7.9

Sept.

11

19

16

16

13

11

10

9.5

9.5

9.5

11

10

9.5

9.5

9.5

8.4

8.4

8.4

7.9

7.9

8.4

8.4

8.4

8.4

8.9

-

Oct.

8.9

25

19

14

13

11

10

10

14

16

16

14

13

12

-

.

-

-

_

-

.

-

-

-

-

.

-

-

-

-

-

r£E£. ""a 

338.5 14 

260.2 9.5

294.5 19

195.9 25

-

Minimum

9.5 

7.4

7.4

8.9

-

Mean

10.9 

8.39

9.82

14.0

-

Runoff In 

acre-feet

671 

516

584

389

2,160
TAHUYA RIVER BASIN 

Gold Creek near bremerton,' Wash.

65

Location.- Water-stage recorder, lat. 47°33'20", long. 122°48'30", in NE-J-SW^ sec. 21, T. 

 y<4 N. , R. 1 W., about 1 mile upstream from mouth and 7 miles west of Bremerton.

Records available.- October 1945 to September 1947.

Extremes.- Maximum discharge during year, 106 second-feet probably Fob. 2 (gage height, 

5J.Y4 feet, from recorded range in stage); minimum not determined, probably occurred 

during period of doubtful gage-height record July 15 to Aug. 8.

1945-47: Maximum discharge, that of Feb. 2, 1947; minimum, 0.3 second-foot Oct. 2, 

1945 (gage height, 0.75 foot).

Remarks.- Records good except those for periods of doubtful or no gage-height record, which 

are fair. No diversion or regulation above station.

Rating tables, water year 1946-47 (gage height, in feet,

and discharge, in second-feet) 

(Shifting-control method used Oct. 20 to Nov. 22)

Oct. 1 to Feb. 14 Feb. 15 to Sept. 30

0.8 0.5

.9 1.1

1.0 2.0

1.2 5.3

1.4 11

1.8 

2.0 

2.2 

2.4

1.0 

1.2

1.4 

4.7

1.4 

1.6 

1.9

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

0.9 

.7 

.8

.7 

.7

.7 

.9 

.8 

.8

.7

.7 

.7 

.7 

.9 

.7

.7 

.7 

.7 

1.4 

2.5

1.6 

2.3 

1.5 

1.4 

1.1

1.0 

.9 

.9 

1.1 

1.1 

1.4

Nov.

1.4 

1.2 

1.1 

1.1 

1.1

1.2 

1.3 

1.3 

1.3 

1.4

1.3 

1.2 

1.2 

1.2 

1 .1

1.2 

1.5 

3.0 

2.5 

2.2

2.1 

5.9 

38 

38 

25

22 

32 

30 

17 

12

Dec.

9.2 

11 

15 

22 

22

17 

13 

13 

12 

11

10 

10 

13 

13 

12

10 

8.3

7.4 

6.6 

6.3

6.1 

5.6 

5.3 

4.8 

4.8

4.8 

5.3 

4.6 

4.4 

4.1 

4.0

Jan.

3.7 

3.5 

3.4 

3.3 

3.2

3.2 

3.2 

3.2 

3.3 

5.0

4.8 

5.6 

5.2 

5.0 

4.8

4.4 

4.4 

5.4 

5.8 

5.6

6.4

15 

30 

50 

54

37 

30 

20 

14 

11 

10

Feb.

20 

60 

30 

15 

12

10 

9.2 

8.3 

7.7 

7.4

11 

18 

34 

72 

33

18 

14 

11 

10 

9.2

8.0 

7.1 

6.5 

6.3 

5.5

5.0 

4.7 

4.5

Month

Octo 

Move 

Dece

Ca

Janu 

Febr 

Hare 

Apr!

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946 -47 .......................

Mar.

4.2 

4.2 

4.5 

4.5 

3.8

3.8 

4.2 

4.2

5.7 

14

15 

11 

8.9

7.1 

6.0

5.5

5.2 

4.5 

4.5 

4.2

3.8 

3.6 

3.6 

3.6 

3.4

3.0 

3.0 

2.7 

3.2 

3.4 

3.0

Apr.

3.0 

2.8 

2.5 

2.7 

2.7

2.4

2.4 

2.8

3.0 

2.7

£.5 

2.5 

2.3 

£.3 

2.2

2.1 

2.1 

2.4 

2.6 

3.1

2.7 

2.5 

2.3 

2.2

2.1

2.0 

1.9 

2.1 

3.7 

4.0

Secondfoot -days

31.7 

250.8 

295.6

2,186.8

363.4 

457.4 

161.3 

76.6 

47.5 

36.9 

21.4 

17.5 

23.0

1,783.1

May

3.2 

2.5 

2.4

2.1 

2.0

1.7 

1.7 

1.7 

1.6 

1.5

1.6 

1.6 

1.6 

1.5

1.6

1.5 

1.5 

1.5 

1.5 

1.4

1.3 

1.1 

1.1 

1.1 

1.1

1.0 

1.0 

1.0

1.1

1.0 

1.0

Maximum

2.5

38

22

53

54 

72 

15 

4.0 

3.2 

2.5 

1.1 

.7 

1.3

72

June

1.2 

1.5 

1.2 

1.0 

1.0

1.0 

1.1 

1.5 

1.6 

2.5

2.1 

1.6 

1.4 

1.3 

1.1

1.4 

1.3 

1.2 

1.2 

1.1

1.1 

1.0 

1.0 

.9 

.9

.9 

1.0 

1.0 

.9 

.9

July

0.8 

.8 

.8 

.8

.7

.7 

.7 

.7 

.7 

.7

.7 

1.1 

.9 

.8 

.8

.7 

.6

.6

.6 

.6 

.6 

.6 

.6

.6 

.6 

.6 

.6 

.6 

.6

Minimum

0.7 

1.1 

4.0

.4

3.2 

4.5 

2.7 

1.9 

1.0 

.9 

.6 

.5 

.5

.5

Aug.

0.6 

.6 

.6 

.5 

.5

.5 

.5 

.5 

.5

.5

.6 

.6 

.5 

.5 

.5

.5

.6 

.6 

.6 

.6

.6 

.6 

.6 

.6 

.6

.6 

.5 

.6 

.6 

.7 

.6

Hear

1.02 

8.36 

9.54

5.99

11.7 

16.3 

5.20 

2.55 

1.53 

1.23 

.69 

.56 

.77

4.89

Sept.

0.5 

.5 

.5

.6

.6

1.1 

1.3 

1.1 

1.1 

.8

.8 

.7

.7 

.7 

.7

.9

.9

.7 

.7 

.7

.7 

.7 

.7 

.7

.7

.8 

.8 

.8 

.8

.7

Runoff In 

acre-feet

63 

497 

586

4,340

721 

907 

320 

152 

94 

73 

42 

35 

46

3,540

Hote.- No gage-height record Dec. 31 to Feb. 5; discharge computed on basis of recorded range in 

stage and records for stations on nearby streams. Doubtful gage-height record Apr. 12-3O, May 12 to 

June 9, June 11 to July 13, July 15 to Aug. 8; discharge computed on basis of records for stations oh 

nearby streams.
TAHUYA RIVER BASIN 

Panther Lake near Bremerton, Wash.

Location.- Staff gage, lat. 47°31', long. 122°51', in NE^NW^ sec . 6 , T. 23 N. , R 1 W.,

 on south shore of lake, 9 miles southwest of Bremerton. Datum of gage is 490.0 feet

above mean sea level, datum of 1929 (Corps of Engineers bench mark). 

Records available.- March 1945 to September 1947 (fragmentary). 

Extremes.- 1945-47: Maximum water surface elevation observed, 499.10 feet Dec. 29, 1945;

 minimum observed, 496.37 feet Aug. 24, 1945.

Remarks . - No diversion or regulation. Gage read occasionally.

Elevation, In feet, 1946-47

Nov.

Dec.

Feb.

Mar. 

May

5

18

7

17 

5

6.62

7.80

7.96

7.60 

7.31

May

June

July

Aug. 

Sept

9

11

IS

12

11

7.28

7.19

6.90

6.52 

6.40

Note.- Add 490.0 feet to obtain 

Panther Creek near Bremerton, Wash.

Loeat ion. - Water-stage recorder, lat. 47"31'40", long. 12<j°52'00", in NW£ sec. 31, T. 24 

fi., K. 1 W., half a mile downstream from Panther Lake and 11 miles west of Bremerton.

Records available.- June 1945 to September 1947.

Extremes.- Maximum discharge during year, 43 second-feet Feb. 14 (gage height, 2.14 feet); 

no flow Oct. 1-22, May 28 to June 9, July 1 to Sept. 30.

1945-47: Maximum discharge, that of Feb. 14, 1947; no flow at times each year.

Remarks.- Records fair. No known diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3

4 

5

e

7 

8

g

10

11

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

0 

0 

0 

0 

0

0 

0 

0 

0 

0

O 

0 

0 

0 

0

0 

0 

0 

0 

0

0

.1

.2 

.2 

.2

.2

.1 

.1 

.1 

.1 

.1

Nov.

0.1 

.2 

.1 

.1 

.1

.1 

.1 

.1 

.1 

.1

.1 

.1

.1 

.1 

.1

.1 

.1 

.1 

.1 

.1

.1 

2.7 

11 

7.8 

8.4

9.1 

16 

13 

11 

9.5

Dec.

8.4 

11 

15 

17

16

13 

13 

12 

11 

10

9.1 

9.1 

11 

10 

8.4

6.8 

5.3 

4.3 

4.0 

3.2

2.9 

2.3

1.8 

1.4 

1.1

1.0 

1.1 

1.0 

.8 

.7 

.6

Jan.

0.5 

.5 

.4 

.4 

.4

.4 

.4 

.3 

.3 

.6

.8 

.9 

.8 

.6 

.5

.5 

.5 

.7 

.9 

.8

.9 

3.9 

7.0 

15 

28

22 

18 

14 

11 

9.1 

6.8

Feb.

9.3 

29 

19 

15 

12

9.8 

7.8 

5.3 

3.8 

3.0

5.7 

12 

21 

38 

26

20

17 

14 

12 

9.3

7.7 

6.2 

4.8 

4.1 

3.6

3.0 

2.7 

2.6

Month

Octo 

Hove 

Decs

Ca

Janu 

Febr 

Marc 

Apr!

June 

July 

Augu 

Sept

Wa

lendar year 1946 

ary

h. ......................................

St.... ..................................

ter year 1946-47 .......................

Mar.

2.2 

2.1 

2.2 

2.2 

2.1

1.9 

2.1

1.9 

3.0 

7.2

6.0 

4.8 

4.1 

3.5 

3.0

2.7 

2.5 

2.3 

2.1 

1.9

1.8

1.7 

1.6 

1.6 

1.4

1.3

1.1 

1.0

1.1 

1.3 

1.3

Apr.

Secondfoot-days

1.4 

90.7 

212.3

1,190.7

146.9 

3C3.7 

75.0 

25.8 

8.6 

3.2 

0 

0 

0

SS7.R

1.3 

1.2 

1.1 

1.0 

1.0

1.0 

.9

1.0 1.1

1.3

1.2 

1.1 

.9 

.9 

.8

.6 

.6 

.8 

1.0 

.9

.8

.6 

.6 

.6 

.5

.5 

.4 

.4 

.8 

.9

May

0.9 

.9 

.8 

.6 

.6

.5 

.5

.4 

.4 

.4

.3

.3 

.2 

.2 

.2

.2 

.2 

.1

.1 

.1

.1 

.1

.1 

.1

.1

.1 

.1 

0 

0 

0 

0

Maximum

0.2

16 

17

25

28 

3.8 

7.2 

1.3 

.9 

.3 

0 

0 

0

,g

June

0 

0 

0 

0 

0

0

o

0 

0

.1

.2 

.3 

.3 

.2 

.2

.2 

.2 

.2 

.2 

.1

.1 

.1

.1 

.1 

.1

.1 

.1 

.1 

.1 

.1

Minimum

July

0

.1 

.6

0

.3 

2.6 

1.0 

.4 

0 

0 

0 

0 

0

0

Aug.

Mean

0.05 

3.02 

6.85

3.26

4.74 

11.6 

2.42 

.86 

.28 

.11 

0 

0 

0

2.43

Sept.

Runoff m 

acre-feet

2.8

180 

421

2,360

291 

642 

149 

51 

17 

6.3 

0 

0 

0

1 .760
DEWATTO CREEK BASIN 67 

Dewatto Creek near Dewatto, Wash.

Location - Water-stage recorder, lat. 47°28 I 10", long. 123*01'30", in sec. 23, T 23 N 

R. 3w., 1 5 miles upstream from mouth and 2 miles northeast of Dewatto

Records available.- July to September 1947.

Extremes. - Maximum discharge during period, 33 second-feet Sept. 6 (gage height, 2.02 feet)- 

minimum, 11 second-feet Sept. 15 (gage height, 1.62 feet)."

Remarks.- Records good. No known diversion or regulation.

Discharge, in second-feet, July to September 1947

Day

1

Z

5

4

5

6

7

6

July

15

15

15

15

15

15

15

Aug.

13

13

13

13

13

13

13

Sept.

14

14

13

13

13

17

£4

16

Day

9

10

11

1?

IS

14

IS

16

July

14

14

19

23

19

16

16

16

Aug.

13

13

13

14

13

13

13

13

Month

July. ........ ................

September. ....................

The peri

Sept.

18

14

12

12

12

11

11

15

Day

17

Ifl

IS

?0

PI

2?

24

July

15

15

15

15

15

15

al5

alS

Secondfoot-days

409

-

Aug.

14

13

13

13

13

14

13

13

Maximum

23

24

-

Sept.

21

14

12

12

12

12

12

12

Day

sn

Minimum

11

-

July

ai5

al5

ais

15

14

13

13

Mean

13.6

-

Aug.

13

13

13

13

13

14

14

Sept.

12

12

12

12

12

13

Runoff in 

acre-feet

811

2,570

a No gage-height record; discharge interpolated. 

ANDERSON CREEK BASTN 

Anderson Creek near Holley, Wash.

.Location.- Water-stage recorder, lat. 47°34'00" , long. 122°57'30", in Sf sec. 17, T. 24 

N., R. 2 W., half a mile upstream from mouth and 1 mile northeast of Holley.

Records available.- July to October 1947 (discontinued).

Extremes.- Maximum discharge during period, 12 second-feet Oct. 2 (gage height, 1.47 

reet); minimum, 4.8 second-feet July 29-31, Aug. 4; minimum gage height, 1.08 feet 

Sept. 21, 22, 29", 30.

Remarks.- Records good. No known diversion or regulation.

Discharge, in second-feet, July to October 1947

Day

1

2

3

4

5

fi

7

8

July

b.4

5.4

5.4

5.1

5.2

5.1

5.2

5.2

Aug.

5.1

5.1

5.1

4.9

5.1

5.1

5.2

5.2

Sept.

5.7

5.7

5.5

5.7

5.7

6.8

6:6

6.3

Oct.

6.3

9.5

7.4

7.1

6.4

6.1

5.7

-

Day

q

10111?13

14

15

16

July

5.2

5.2

5.5

5.8

5.4

5.4

5.2

5.2

Aug.

5.2

5.2

5.4

5.3

5.4

5.2

5.4

5.2

Sept.

6.4

6.1

6.0

5.8

5.8

6.0

6.0

7.1

Month

July.... ....................... ...........

October 1 -7 ...... .........................

The pei lod. . ............................

Oct.

_

_

,

_

.

_

_

-

Day

17

Ifl

19

20

21

??

?7<

24

July

5.7

5.2

5.2

5.1

5.2

5.2

5.2

5.1

Secondfoot-days

48.5

-

Aug.

5.5!

5.4

5.4

5.2

5.2

5,4

5.4

5.4

Sept.

6.2

6.C

5.8

5.6

5.7

5.7

5.7

5.7

Maximum

9.5

-

Oct.

_

_

_

.

_

-

Day

?.f>

?.&

?7

?8

?S

,10

31

Minimum

5.7

-

July

5.1

5.}!

5.2

5.2

4.9

4.9

4,9

* '«.

5.2

5.4

5.5

5.5

5.7

5.7

5.7

Hear

5 3C

6.93

-

Sept.

5.7

5.7

5.7

5.6

5.7

5.5

_

Oct.

_

_

_

_

_

_

_

Runoff in 

acre-feet

96

1,100

STAVIS CREEK BASIN

Stavis Creek near Seabeck, Wash.

Location.- Water-stage recorder, lat. 47°37'30", long. 122°52'30", in SWi sec. 25, T. 25 N. 

 K. y W., half a mile upstream from mouth and 2 miles west of Seabeck, 

Records available.- July to October 1947 (discontinued).

Extremes.- Maximum discharge recorded during period, 39 second-feet Oct. 15 (discharge 

measurement); minimum, 6.3 second-feet July 20, 21, 29, 30 (gage height, 1.36 feet). 

Remarks.- Records good except those for Oct. 15, which are fair. No known diversion or 

regulation.

Discharge, in second-feet, July to October 1947

Day

1

2

3

4

5

6

7

8

July

a7.5

a7.5

a7.3

a7.2

a7.2

a7.0

a7.0

7.0

Aug.

7.0

7.0

7.0

7.0

7.0

6.6

7.0

7.3

Sept.

7.0

7.3

7.0

7.3

7.3

10

11

8.6

Oct.

7.0

12

7.9

7.6

7.6

7.6

7.6

8.8

Day

q

10

11

1?

13

U

]5

16

July

7.0

7.0

7.9

8.6

7.6

7.3

7.3

7.0

Aug.

7.3

7.0

7.3

7.0

7.0

7.0

7.0

7.3

Sept.

8.3

7.3

7.0

7.0

7.0

6.6

7.0

8.6

Month

Augi

October 1-15. ...............................

The period. ...............................

Oct.

9.3

9.3

8.3

7.9

9.3

9.3

39

-

Day

1ft

?1

?3

24

July

7.0

7.0

6,6

6.6

6.6

6.6

6.6

6.6

Secondfoot -<Jay s

219.2

218.1 

219.3

158.5

-

Aug.

7.0

7.0

7.0

7.6

7.0

7.0

7.0

7.0

Sept.

7.6

7.0

6.6

6.6

6.6

6.6

6.6

6.6

Maximum

8.6

7.3

11

39

-

Oct.

_

-

-

-

-

~

-

-

Day

25

26

27

28

29

30

31

Minimum

6.6

6.6 

6.6

7.0

-

July

7.0

7.0

7.0

7.0

6.6

6.6

7.0

Aug.

7.0

7.C

7.C

7.0

7.0

7.3

7.0

Mean

7.07

7.04 

7.31

10.6

-

Sept.

6.6

6.6

7.0

7.0

7.0

6.6

-

Oct.

_

-

-

_

-

-

-

Runoff In 

acre-feet

435

433

435

314

1,620

a Ho gage-height record; discharge computed on basis of 1 discharge measurement and records for 

stations'oh nearby streams.
68 DOGFISH CREEK BASIN

Dogfish Creek near Poulsbo, Wash.

Location.- Water-stage recorder, lat. 47°45'10", long. 122°38 I 30", in SWJj sec. 11, T. 26 

N., K. 1 E: , half a mile upstream from mouth and 1 mile north of Poulsbc.

Records available.- July to September 1947.

Extremes.- Maximum discharge during period, 7 0 second-feet Sept. 7 (gage height, 1.25 

reetj; minimum, 1.8 second-feet Aug. 1-3 (gage height, 0.64 foot).

Remarks.- Records good. No regulation. Small diversion above station for irrigation.

Discharge, in second-feet, July to September 1947

Day

1

Z

3

4

5

6

7

8

July

2.5

2.7

?.7

?.7

2.6

2.6

2.6

2.5

Aug.

2.

2.

2.

2.

2.

2.

2.

2.

Sept.

?.ri

2.6

2.7

2.7

2.7

3.5

5.4

4.0

Day

9

10

111?

13

14

15

16

July

2.5

2.5

?.7

?,9

2.7

2.6

2.6

2.5

Month

September. ................

The period. .............

Aug.

2.4

2.4

2.5

2.4

2.3

2.2

2.4

2.7

Sept.

4.1

3.7

3.2

2.9

2.8

2.8

2.9

3.2

Secondfoot-days

78.7

91.4

-.

Day

17

18

19

20

21

22

23

24

July

2.

2.

2.

2.

2.

2.

2.

2.

Maximum

2.9

5.4

-

Aug.

2". 6

2.6

2.6

2.5

2.4

2.5

2.5

2.4

Sept.

2.9

2.7

2.7

2.8

2.7

2.7

2.8

2.8

Minimum

2.3

2.2

2.6

-

Day

2b

26

27

28

29

30

31

July

2.4

2.6

2.7

2.7

2.5

2.4

2.4

Mean

2.54

2.51

3.O5

-

Aup.

2.4

2.4

2.4

2.5

2.7

3.6

3,2

Sept.

2.9

2.9

2.8

2.9

2.9

2.9

-

Runoff in 

acre-feet

156

154

181

491

CLEAR CREEK BASIN 

Clear Creek near Silverdale, Wash.

Location.- Water-stage recorder, lat. 47°39'50", long. 122°40'50", at north line sec. 16,

 T. tib N. , R. 1 E., 1 mile upstream from mouth and li miles north of Silverdale.

Records available.- July to October 1947 (discontinued).

Extremes.- Maximum discharge during period, 9.0 second-feet Sept. 6 (gage height, 2.20

 feet);' minimum, 1.5 second-feet July 30 (gage height, 1.46 feet).

Remarks.- Records good. No regulation. Some small diversion above station for irrigation.

Discharge, in second-feet, July to October 1947

Day

' 1

?

3

4

5

6

7

8

July

2.4

2.7

2.7

2.6

2.4

2.6

2.6

2.4

Aug.

2.0

2.1

2.1

2.1

2.0

2.0

2.1

2.3

Sept.

2.

2.

2.

2.

2.

3.

5.2

3.9

Oct.

2.7

5.3

3.8

3.8

3.5

3.2

3.2

3.6

Day

q

10

n

i?1*

14

15

16

July

2.3

2.3

2.7

3.0

2.4

2.4

2.4

2.4

Aug.

2.3

2.3

2.4

2.3

2.1

2.0

2.3

2.4

Sept.

3.8

3.2

2.7

2.7

2.4

2.6

2.6

3.5

Month

October 1-14. ...............................

The period. ...............................

Oct.

4.8

4.9

4.6

3.8

4.4

4.2

-

-

Day

17

1R

19

?0?1??

?3

24

July

2.4

2.4

2.4

2.1

2.1

2.1

2.1

2.3

Secondfoot-days

55.8

-

Aug.

2.4

2.4

2.4

2.3

2.3

2.4

2.4

2.3

Sept.

3.2

2.9

2.7

2.7

2.7

2.7

a2.7

a2.7

Maximum

5.3

-

Oct.

-

-

-

-

-

-

-

-

Day

25

26

27

28

29

30

31

Minimum

2.0

2.7

-

Jul-'

2.3

2.3

2.4

2.6

2.1

2.0

2.1

Aug.

2.3

2.1

2.1

2.3

2.4

3.4

2.9

Mean

2.30

3.99

-

Sept.

a2.7

a2.7

a2.7

a2.7

2.7

2.7

-

Oct.

-

-

-

-

-

-

-

Runoff in 

acre-feet

147

141

172

111

571

CHTOO CREEK BASIN

Kitsap Lake near Bremerton, Wash.

Location.- Staff gage, lat. 47"34 I 40", long. 122°42<30", in SWi sec. 8 T 24 N 

onwest shore 100 feet from outlet and 2 miles west of Bremerton

Records available.- June to September 1947 (fragmentary).

ttxt?\ emf. s .-.' Ma*!""5" gage height observed during period, 1.04 feet June 25; minimum 

U.8U root Aug. 15, 26, 29, Sept. 2,5.

Remarks.- Gage read twice weekly. No diversion or regulation.

Gage height, in feet, June to September 1947

R. IE., 

observed,

Bay

1

5

8

June

-

~

-

-

~

-

"

July

-

-

-

-

-

-

~

0.94

Aug.

0.86

-

-

 * 

.84

-

-

.82

Sept.

-

-

.80

-

-

~

Day

9

10

11

1?

13

14

Ih

16

June

-

-

-

-

-

-

-

-

July

-

-

0.92

-

-

-

Aug.

-

-

-

0.82

-

Sept .,

0.98

-

-

.98

-

-

-

1.00

Day

17

18

19

PI

??

24

June

.

-

-

_

_

-

_

-

July

.

0.92

-

_

_

.88

.88

Aug.

.

-

-

_

.

0.82

_

-

Sept.

1.01

_

.98

_

_

-

.94

Day

m

June

1.04

_

_

_

_

_

,.

July

0.86

_

_

.86

_

Aug.

0.80

.82

.80

Sept.

0.94

.90
CHICO CREEK BASIN 69

Chieo Creek near Bremerton, Wash.

Location.- Water-stage recorder, lat. 47°35 I 30", long. 122°42'30", at north line sec. 8,

T. 24 M., R. IE., half a mile downstream from Dickerson Creek and 2j miles northwest

of Bremerton.

Records available.- July to September 1947. 

Extremes.- Maximum discharge during period, 5.7 second-feet Sept. 7 (gage height, 1.01

reet]; no flow Aug. 31 to Sept. 6. 

Remarks.- Records good. Several small diversions above station for irrigation and domestic

use.

Discharge, in second-feet, July to September 1947

Day

1

2

3

4

5

6

7

8

July

a3.0

a3.0

3.0

2.6

2.4

2.2

2.1

1.9

Aug.

0.7

.7

.6

.5

.4

.3

.3

.3

Sept.

0

0

0

0

0

.6

3.4

2.6 ,

Day

9

10

11

IP

13

14

IK

16

Month

September. .............

The per]

July

1.9

1.8

2.2

3.7

3.0

2.2

2.1

1.8

Aug.

0.4

.4

.4

.4

.2

.2

.3

.5

Sept.

4.2

2.8

2.2

2.1

1.8

1.5

1.5

2.2

Secondfoot-days

9 5

47.4

-

Day

17

IB

IS

?0

?1

??

?3

24

July

1.4

l.b

.4

.2

.2

.2

.2

.1

Maximum

4.2

-

Aug.

0.4

.4

.3

.3

.2

.2

.2

.2

Sept

2.8

2.2

1.9

1.8

1.6

1.6

1.5

1.5

Minimum

0

-

Day

25

26

27

28

29

30

31

July

1.1

1.0

1.1

1.2

1.0

.8

.7

Mean

1.58

-

Aug.

0.1

.1

.1

.1

.1

.1

.1

Sept.

1.4

1.4

1.2

1.2

1.2

1.2

-

Runoff In 

acre-f -«<5t

111

94

224

a No gage-height record; discharge computed on basis of records for nearby 

streams.

Wildcat Lake near Bremerton, Wash

Location.- Staff gage, lat. 47°36'00", long. 122°45'50", in SE£ sec. 2, T. 24 N., R. 1 W. ,

 on north shore 1,000 feet from outlet and 5 miles west of Bremerton.

Records available.- June to September 1947 (fragmentary).

Extremes - Maximum gage height observed during period, 4.S4 feet June 26, July 3; minimum

 observed, 3.94 feet Aug. 27, 28, Sept. 1,4.

Remarks.- Temporary dam at outlet Sept. 15-30. Gage read twice weekly.

Gage height, In feet, June to September 1947

Day

1

2

3

4

5

6

7

8

June

.

_

_

--

_

-

-

-

July

_

-

4.24

-

-

-

4.19

4.19

Aug.

_

_

_

4.03

4.03

_

4.01

-

Sept.

3.94

_

_

3.94

_

-

_

4.02

Day

9

10

11

12

13

14

15

16

June

.

_

_

-

_

_

_

-

July

_

4.16

_

-

_

4.19

_

-

Aug.

_

.

3.99

-

_

3.98

_

-

Sept.

_

_

4.07

-

_

_

4.06

-

Day

17

18

19

20

21

?Z

23

24

June

_

_

_

-

_

_

_

-

July

4.17

_

_

-

4.13

_

4.11

4.10

Aug.

.

3.97

_

-

3.96

-

_

-

Sept.

4.10

4.09

_

-

_

4.09

_

-

Day

25

26

27

28

29

30

31

June

.

4.24

_

_

_

-

_

July

_

_

_

4.10

_

_

4.07

Aug.

3.95

_

3.94

3.94

_

-

_

Sept.

4.10

_

_

-

4.10

4.11

_
BLACKJACK CREEK BASIN

Blackjack Creek at Port Orchard, Wash.

Location.- Water-stage recorder, lat. 47°32'20", long. 122°37'50", in SE£ sec. 26, T. 24 

N ., k. IE., at Port Orchard, a third of a mile upstream from mouth.

Records available.-'July to September 1947.

Extremes.- Maximum discharge during period,.11 second-feet Sept. 16 (gage hsight, 1.49 

reet); minimum, 6.7 second-feet July 25, Sept. 2, 3 (gage height, 1.32 feet).

Remarks.- Records good. Many small diversions above station for irrigation.

Discharge, in second-feet, July to September 1947

Day

2

3

4

5

6

7

8

July

7.8

7.8

7.6

7.6

7.6

7.6

7.6

Aug.

7.

7.

7.

7.

7.

7.6

7.8

Sept.

7.4

6.9

7.6

7.6

8.4

9.5

8.4

Day

10

11

12

13

14

15

16

Month

July... ..................

September. ...............

The peri

July

7.4

7.6

8.6

8.1

8.1

8.1

8.1

Aug.

7.8

7.8

7.8

7.6

7.4

7.6

7.6

Sept.

8.1

7.8

7.6

7.6

7.6

7.6

9.2

Secondfoot-days

238.4 

232 2

241.4

-

Day

18

19

r.o ?.i ?.z

?.7>

24

July

7.8

7.8

7.6

7.6

7.6

7.2

7.4

Maximum

8.6

9.5

-

Aug.

7.6

7.6

7.4

7.4

7.4

7.4

7.4

Mir

Sept.

9.2

8.1

7.8

7.8

8.1

8.1

7.8

7.8

limum

7.1

6,9

-

Day

25 

26

27

28

29

30

31

July

7.1 

7.6

7.6

7.8

7.4

7.4

7.4

Mean

7.69

8.05

-

Aug.

7.1 

7.1

7.4

7.4

7.4

7.6

7.6

Sept.

8.1 

8.1

8.1

8.1

8.1

8.4

-

Runoff in 

acre-feet

473

479

1,410

BURLEY CREEK BASIN

Burley Creek at Burley, Wash.

Location.- Water-stage recorder, lat. 47°24'50", long. 122°37'50", in NE^ sec. 11, T. 22

W., K. IE., at Burley, a quarter of a mile upstream fron mouth. 

Records available.- July to September 1947. 

Extremes.- Maximum discharge during period, 31 second-feet Sept. 6 (gage height, 1.22 feet);

minimum discharge, 11 second-feet July 19-21; minimum gage height, 0.82 foot July 20. 

Remarks.- Records good. No regulation. Several small diversions above station for domestic

use .

Discharge, in second-feet, July to September 1947

Day

1

2

3

4

5

6

7

8

July

13

14

14

14

14

14

13

13

Aug.

14

14

14

14

14

14

14

15

Sept.

13

13

13

13

13

17

22

18

Day

9

10

11

12

13

14

15

16

Month

July.....................

September. ...............

The period. ............

July

13

13

14

15

13

13

16

14

Aug.

14

14

14

13

13

13

14

14

Sept.

19

16

14

14

14

14

14

20

Secondfoot-days

448

-

Day

17

18

19

20

21

22

23

24

July

13

13

13

13

13

13

13

13

Maximum

22

-

Aug.

14

14

14

14

14

14

14

13

Sept.

18

15

14

14

14

14

14

14

Minimum

13

-

Day

25

26

27

28

29

30

31

July

13

1<

1<

1'.

1<

13

1<

Mean

14.9

-

Aug.

13

13

14

14

14

14

14

Sept.

14

14

14

14

14

14

-

Runoff In 

acre -feet

851

889

2,570

WINTER CREEK BASIN

Huge Creek near Wauna, Wash.

Location.- Water-stage recorder, lat. 47°23'20", long. 122°41'50", at north line sec. 20, 

T. a2 N., R. IE., an eighth of a mile upstream from mouth and 2^ miles west of Wauna.

Records available.- July to September 1947.

Extremes.- Maximum discharge during period, 7.5 second-feet Sept. 6 (gage height, 1.39 

reet); minimum, 3.5 second-feet Sept. 1-5 (gage height, 1.25 feet).

Remarks.- Records good. No known diversion or regulation.

Discharge, in second-feet, July to September 1947

Bay

1

?

3

4

5

6

7

8

July

4. 4

4.4

.4

.4

.2

.2

.2

.2

Aug.

r~ Tz 1

.2

' .2

.0

.0

' .2

.2

.0

Sept.

3.7

3.7

3.5

3.5

3.5

4.7

5.8

5.0

Day i

9

10

11

12

13

14

15

16

Month

September. ..............

The period. ...........

Fuly

4.2

4.2

4.7

5.0

4.7

4.4

4.7

4.2

Aug.

4.0

4.0

4.4

4.4

4.4

4.4

4.4

4.7

Sept.

5.0

4.4

4.4

4.2

4.2

4.2

4.2

5.2

Secondfoot-days

130.8

Day

17

18

19

PO

21

??

23

24

July

4.2

4.2

4.2

4.2

4.2

4.2

4.2

4.2

Maximum

5.8

Aug.

4.7

4.4

4.4

4.2

4.2

4.4

4.4

4.4

Sept.

5.0

4.4

4.2

4.2

4.2

4.4

4.4

4.4

Minimum

4.0

3.5

Day

25

26

P7

pa

29

30

31

July

4.2

4.2

4.2

4.4

4.C

3.7

4.0

Mean

4.28

4.24

4.36

Aug. ^ept.

4.2 4.4

4.0 4.4

4.0 4.4

4.2 4.4

4.0 4.4

4.2 4.4

4.0

Runoff In 

acre-feet

261

259

783
DESCHOTES RIVER BASIN 71

Deschutes River neap Olympia, Wash.

Location.- Water-stage recorder, lat. 47°00'40", long. 122°53"40", in NW^SEi sec. 35, T. 

la N., R. 2 W., 1-f miles upstream from mouth and 2i miles south of Olympic.

Drainage area.- 164 square miles.

Records available.- April 1945 to September 1947.

Extremes.- Maximum discharge during year, 3,560 second-feet Jan. 26 (gage height, 7.95 

reetj; minimum, 78 second-feet Sept. 25, 30 (gage height, 2.32 feet).

1945-47: Maximum discharge, that of Jan. 26, 1947; minimum, 66 second-feet Oct. 11, 

1946.

Remarks.- Records good. Small diversions above station for irrigation. No regulation.

Rating tables, water year 1946-47 (gage height, in feet,

and discharge, in second-feet) 

(Shifting-control method used Jan. 26 to June 13)

Oct. 1 to Dec. 12 Dec. 13 to Sept. 30

2.5 

2.7 

3.0 

3.3 

3.6

77

122

211

315

435

4.0 615

4.5 860

5.0 1,130

5.5 1,420

2.3 

2.5 

2.7

3.0 

3.3

75

112

161

253

355

3.6 

4.0 

4.5 

5.0 

5.5

470

640

875

1,140

1,420

6.0 

7.0 

8.0

1,740

2,510

3,460

Note.- Same as following 

table above 5.5 feet.

Discharge, in second-feet, water year October 1946 to Septester 1947

Day

1 

2 

3 

4 

5

6

7

e

9

10

11

12 

13 

14 

15

16 

17 

16 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

92 

98 

94 

94 

92

96 

98 

96 

96 

92

90 

90 

88 

88 

88

88 

88 

85

90 

112

242 

201 

208 

201 

218

280 

308 

256 

214 

225 

245

Nov.

315 

327 

256 

218 

195

189 

179 

173 

164 

158

158 

152 

144 

141 

138

136 

141 

670 

1,600 

760

534 

805 

1,300 

1,130 

938

885 

938 

1,140 

785 

660

Dec.

566 

512 

498 

765

1,700

1,460 

938 

860 

860 

1,070

1,800 

2,570 

2,18" 

1,880 

1,950

1,420 

1,050 

875 

775 

685

640 

582 

530 

498 

470

446 

426 

402 

383 

366 

352

Jan.

344 

334 

317 

303 

303

306 

296 

289 

279 

317

394 

398 

376 

348 

313

310 

303 

320 

474 

474

450

490 

577 

1,100 

1,740

3,060 

1,730 

1,020 

800 

708 

618

Month *£

Octo 

Hove 

Deoe

Ca

Janu 

Febr 

Hare 

Apr! 

May 

Juue 

Julj 

Align 

Sept

Wa

lendar year 194 

ary

1

1

,

ember .....................

Feb.

685 

1,840 

2,020 

1,110 

875

730 

662 

618 

582 

550

534 

582 

730 

1,020 

1,020

825 

685 

618 

554 

502

466 

446 

422 

398 

383

372 

358 

348

ond-

-days

4,453 

15,329 

'9,509

55,632

19,091 

19,935 

11,514 

10,101 

5,564 

4,072 

3,278 

2,760 

2,728

ter year 1946-47 128,334

Mar.

338 

334 

341 

352 

341

330 

341 

341 

344 

466

775 

662 

546 

482 

446

410 

380 

358 

344 

330

320 

317 

306 

306 

300

293 

283 

273 

273 

289 

293

Maximum

308 

1,600 

2,570

2,570

3,060 

2,020 

775 

486 

240 

161 

124 

98 

135

3,060

Apr.

313 

383 

366 

355 

344

344 

341 

348 

369 

406

486 

438 

386 

358 

334

313 

306 

310 

320 

380

366 

338 

313 

296 

283

273 

260 

256 

260 

256

May

240 

234 

227 

221 

212

209 

206 

206 

199 

196

190 

187 

181 

178 

176

173 

170 

170 

167 

167

161 

158 

156 

156 

151

151 

148 

145 

143 

143 

143

Minimum

85 

136 

352

85

279 

348 

273 

256 

143 

114 

96 

84 

78

78

June

148 

145 

145 

140 

140

138

140 

153 

161 

153

151 

145 

140 

130 

128

135 

138 

138 

130 

126

124 

121 

119 

117 

114

119 

126 

140 

138 

130

July

124

121 

119 

114 

112

110 

110 

108 

106 

104

106 

108 

106 

104 

104

104 

102 

100 

100 

98

98 

96 

96 

100 

102

100 

100 

108 

110 

10S 

100

Per 

. Mean square 

mile

144 0.878 

511 3.12 

952 5.80

426 2.60

SIS 3.7S 

712 4.34 

371 2.2S 

337 2.05 

179 1.09 

136 .829 

106 .645 

89.0 .543 

90 . 9 . 554

352 2.15

Peak discharge.- Dec. 12 (8 to 9 a.m.) 2,870 sec. -ft.; Jan. 26 (4 p.m.) 3,5SO

903681 0-50-6

Aug.

98 

96 

96 

94 

92

92 

92 

92

90 

90

92 

92 

92 

90 

89

90 

90 

89 

87 

87

85 

85 

85 

85 

84

84 

84 

84 

84 

85 

85

Sept.

84 

85 

84 

84 

84

85

96 

100 

128 

135

121 

108 

100 

96 

94

90 

89 

87 

85 

85

84 

82 

82 

80 

80

78 

BO 

82 

80 

80

Runoff

Inches

1.01 

3. 43 

6.69

35.31

4.33 

4.5? 

2.61 

2.29 

1.26 

.92 

.74 

.63 

.62

29.10

sec. -ft.

Acre-feet

8,830 

30,400 

58,530

308,700

37,870 

39,540 

22,840 

20,040 

11,040 

8,080 

6,500 

5,470 

5,410

254,600
72 NISQUALLY RIVER BASIN

Nisqually River near National, Wash.

Location.- Water-stage recorder, lat. 46°4fi'50", long. 122°05'00", in SWijSW^ sec. 29, T. 

J.b N. , R. BE., 100 feet downstream from railroad bridge, 1 mile west of National, 2j 

miles wect of Ashford, and 3 miles upstreatn from Mineral Creek.

Drainage area.- 133 square miles.

Records available.- May 1942 to September 1947.

Extremes.- Maximum discharge during year, 7,230 second-feet Dec. 11 (gage height, 10.34 

reot); minimum, 149 second-feet Oct. 18 (gage height, 3.27 feet).

1942-47: Maximum discharge, that of Dee. 11, 1946; minimum not determined, probably 

occurred sometime during period of doubtful gage-height record Oct. 2-30, 1942.

Remarks.- Records good except those for period o*1 shifting control, which are fair. " No 

diversion. Slight regulation at low flow by power plant of Rainier National Park on 

Paradise River.

Rating tables, water year 1946-47, except periods of shifting control 

(gage height, in feet, and discharge, in second-feet)

Oct. 1 to Dec Dec. 12 to Sept. 3O

3-2 131 4.6 680 7.0 2.8OO 3.2 299 4.3 76O 

3.4 185 5.0 965 8.O 3,960 3.4 364 4.6 975 

3.7 281 5.5 1,360 9.2 5,560 3.7 484 5.O 1,290 

4.0 392 6.0 1,800 4.O 624 5.5 1,740 

4.3 518 6.5 2,280

Discharge, in second-feet, water year October 1946 to September 19^7

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

231 

197 

185 

218 

206

185 

215 

194 

177 

174

177 

194 

212 

209 

177

165 

157 

154 

157 

545

465 

444 

486 

1,730 

3,910

1,970 

1,200 

822 

680 

583 

552

Nov.

538 

460 

423 

415 

415

431

427 

396 

388 

431

369 

350 

336 

321 

310

292 

520 

2,600 

2,110 

1,320

1,000 

1,200 

1,200 

1,040 

1,000

1,280 

1,840 

1,660 

1,320 

1,040

Dec.

882 

845 

838 

1,080 

1,400

1,320 

1,160 

1,080 

1,000 

1,480

5,540 

4,360 

4,360 

4,100 

3,250

2,090 

1,560 

1,250 

1,050 

905

810 

752 

673 

648 

610

610 

581 

 538 

506 

475 

471

Jan.

445 

421 

397 

386

405

390 

364 

354 

350 

484

462 

441 

421 

371 

364

379 

354 

361 

361 

350

384

445 

1,170 

2,140 

2,350

2,240 

1,560 

1,210 

940 

810 

752

Feb.

780 

1,380 

1,010 

840

752

699 

648 

624 

605 

590

673 

872 

1,250 

1,940 

1,790

1,470 

1,210 

1,010 

872 

780

725 

699 

648 

624 

595

562 

529 

502

Month SecondMonth foot-days

Goto 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Apri 

May 

June 

Julj 

Augu 

Sept

Wa

lendar year 1946 ...... 

ary

16,971 

25,432 

46,224

321,335

ember .....................

21,861 

24,679 

19,804 

24,808 

27,080 

23,185 

18,634 

13,218 

12,548

ter year 1946-47 .......... 274,444

Peak discharge.- 0

Note.- Shifting-co

Mar.

484 

484

524 

497 

467

441

441 

437

454 

557

585 

567 

557 

581 

673

780 

905 

975 

940

872

9O5 

940 

840 

752 

673

610 

562 

524 

529 

624 

624

Maximum

3,910 

2,600 

5,540

5,540

2,350 

1,940 

975 

1,470 

1,250 

1,130 

752 

543 

648

5,540

Apr.

673 

648 

619 

590

567

557 

524 

543 

552 

648

605 

595 

673 

810 

940

975 

1,090 

1,290 

1,470 

1,420

1,130 

940 

810 

780 

752

810 

905 

1,010 

1,010 

872

Hay

840 

1,010 

1,010 

940 

905

975 

1,090 

1,010 

975 

810

699 

699 

648 

605 

605

624 

624 

624 

725 

780

872 

840 

840 

975 

1,050

1,170 

1,250 1,130- 

1,010 

905 

840

Minimnm

154 

292

471

154

350 

502 

437 

524 

605 

595 

409 

318 

299

154

Jnne

780 

725 

648 

624 

648

699 

810 

1,090 

1,130 

940

752 

725 

725 

673 

614

975 

1,010 

840 

752 

648

595

624 

673 

752

752

940 

940 

780 

673 

648

Mean

547 

848 

1,491

880

705 

881 

639 

827 

874 

773 

601 

426 

418

752

ct. 25 (10:30 a.m.) 5,000 aec.-ft.: Dec. 11 (1 p.m.) 

ntrol method used July 27 to Sept. 30.

July

693

75? 

693 

648 

673

673 

621 

614 

624 

62*

649

673 

673 

673 

649

603 

649 

723 

693 

723

590 

533 

523 

50' 

450

423

403 

52* 

425

423 

462

Per 

square 

mile

4.11 

6.38

11.2

6.62

5.30 

6.62 

4.80 

6.22 

6.57 

5.81 

4.52 

3.20 

3.14

5.65

7,230 s

6.0 2,240 

6.5 2,790 

7.0 3,370 

8.O 4,620

Aug.

450 

488 

543 

529 

498

467 

480 

450 

379 

354

350 

364 

421 

475 

511

480 

437 

450 

409 

371

350 

337 

318 

318 

354

417 

437 

450 

480 

480 

371

Sept.

397 

421 

361 

425 

379

337 

498 

648 

648 

480

390 

386 

382 

337 

368

488

390 

330 

302 

299

333 

437 

462 

445 

445

368 

425 

488 

462 

417

Runoff

Inches

4.75 

7.11 

12.93

89.84

6.11 

6.90 

5.54 

6.94 

7.57 

6. "48 

5.21 

3.70 

3.51

76.75

so. -ft.

Acre-feet

33,660 

50,440 

91,680

637,400

43,360 

48,950 

39,280 

49,210 

53,710 

45,990 

36,960 

26,220 

24,890

544,400
NISQUALLY RIVER BASIN 73

Alder Reservoir at Alder, Wash.

Location.- Water-stage recorder, lat. 46°48'05", long. 122°18'30", in NW£ sec. 9, T. 15 

N., H. 4 E., at Alder Dam on Nisqually River, 1 mile west of Alder and 4f miles upstream from Mashel River. D<*tum of gage is thst used by city of Tacoraa, which is 7.91 

feet below me^n sea level, datum of 1989.

Records available.- November 1944 to September 1947.

Extremes.- Maximum contents during year, 814,090 acre-feet Dec. 14 (gage height, 1,201.12 

 feet]: minimum observed, 181,960 acre-feet Jan. 2?, 23 (gage height, 1,163.18 feet).

1944-47: Maximum contents, that of Dec. 14, 1946; minimum observed (since reservoir 

first filled), 115,350 acre-feet Nov. 14, 1945 (gage height, 1,159.82 feet).

Remarks.- Reservoir is formed by concrete arch dam; storage began Nov. 7, 1944; dam completed in 1945. Capacity, 158,700 acre-feet between gage heights 1,114 feet flower 

limit of operating range) and 1,200 feet (top of spillway gates). Dead storage, 52,100 

acre-feet. Water is used by city of Tacoma for power development. Figures given herein represent total contents.

Capacity table (gage height, In feet, and contents, in acre-feet) 

(Prepared by city of Tacoma from project surveys and maps)

1,10O 

1,110 

1.12O 

1,130

4O.20O 

48,420 

58,070 

69,350

1,140

1,150

1,160

1,170

82,540

97,910

115,690

135,800

1.18O 158,260

1,190 183,270

1,200 210,840

Gage height at 12 p.m., In feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

191.73

191.10

190.42

189. SO

189.19

188.43

187.70

186.91

186.14

185.30

184.46

183.62

182.81

181.95

181. 1O

180.24

179.33

178.45

177.68

177.72

177.60

177.40

177.37

178.18

181.33

182.70

183.20

183.20

183.14

182.94

182.63

Nov.

182. 4O

182.12

181.70

181.06

180.32

179.61

178.91

178.20

177.44

176.81

176.09

175.23

174.31

173.34

172.30

171.29

171.53

176.54

179.39

180.54

180.80

182.00

183.13

184.14

184.90

186.26

188.76

190.46

191.41

191.85

-

Deo.

191.97

191.99

192.31

193.69

196.28

196.88

195.80

194.86

193.48

194.11

199.00

200.27

201. 09

200.56

198.62

195.88

193.09

192.89

192.50

191.29

189.98

188.96

187.30

186.00

184.90

184.21

183.85

183.54

^£3.22

 re. 52

 781 . 96

Jan.

181.86

181.10

180.13

179i26

178.43

177 . 56

176.51

175.43

174.42

173.60

172.90

172.16

171.23

170.19

169.12

168.06

167.03

166.11

165.33

164.34

163.72

163.18

164.89

169.41

175.56

180.55

182.54

183.49

183. 9O

184.02

183.91

Feb.

184.44

188.49

189.24

188.33

186.87

186.07

185.77

185.46

185.10

184.74

184.54

184.82

185.85

188.42

189.58

188.97

187.49

186.28

186.08

186.02

185.87

185.77

185.33

184.81

184.57

184.25

183.70

183.37

-

-

-

Mar.

183.13

182.63

182.09

181.61

181.12

180.47

179.30

179.27

179.00

179.19

179.69

180.11

ISO. 49

180.82

181.46

182.33

182.86

183.31

183.76

184.01

184.14

184.84

185.40

185.37

185.15

184.98

184.86

184.80

185.03

185.50

185.49

Apr.

185.62

185.86

185.93

185.90

185.96

186.54

186.42

186.32

186.38

186.78

187.30

187 . 97

188.75

189.21

189.83

19O.13

190.00

190. O2

190.39

190.68

190.63

190.43

189.98

189.39

188.77

188.21

188.05

187.90

187.96

188.07

-

May

188.33

188.64

189.39

190. O2

190.28

19O.57

190.70

190.98

191.25

191. 7O

192.06

191.73

191.26

191.12

190.97

190.92

190.66

190. ?9

190. 9O

191.06

191.48

191.94

192.36

192. 9O

193.49

193.96

194.53

194.98

195.34

195.66

195.87

June

196.04

196.20

196.26

196.32

196.42

196.51

196.63

197.34

198. OO

198.41

198.63

198.81

198.94

199. O5

199.12

199. 5O

199.79

199.93

200.05

199. 9O

199.93

200.11

200.00

193.68

200.44

200.26

200.18

199.72

199.72

199.80

-

July

200.06

199.84

199.56

199.35

199.44

199.71

199.57

199.52

199. 4O

199.26

199.35

199.55

199.80

199.56

199.43

199.42

199.38

199.38

199.67

199.89

199.65

199. SO

199.31

199.03

198.74

198.83

198.93

198. 7O

198.72

198.73

198.77

Aug.

198.85

198.98

199.16

199.27

199.36

199.46

199.53

199.52

199.53

199.50

199.42

199.43

199.44

199.50

199.56

199.67

199.71

199.73

199.61

199.52

199.28

199.08

199.01

199.01

198.86

198.72

198.57

193.44

198.15

198.10

198.06

Sept.

198.10

197.82

197.58

197.31

196.97

196.64

196.69

196.79

196.88

196. 7Z

196.39

195.91

195.55

195.38

194.91

194.50

193.98

193.56

192.82

192.14

192.03

191.55

191.03

190.51

189.99

189.30

188,72

188.65

188.06

187.41

-

Note.- Add 1,000.00 feet to obtain gage height.

Monthly gage height and contents, water year October 1946 to September 1917

Date

Calendar year 1946....

Water year 1946-47....

Gage height 

(feet)t

1 192 3

-

-

Contents 

(acre-feet)

-

-

Change in contends 

during month 

(acre-feet)

-31,170

+20 520

2R ' R90 '

-12,550

t Gage height and contents at 12 p.m.
74 NISQUALLY RIVER BASIM

Nisqually River at La Grande, Wash.

Location.- Water-stage recorder, lat. 46°50'30", long. 122°19'40", in SE£ sec. 29, T. 16 

N. , K. 4 E., half a mile downstream from city of Tacoma power plant, half a mile northwest of La Grande, and three-quarters of a mile upstream from Mashel River.

Drainage area.- S96 square miles.

Records available.- December 1943 to September 1947. September 1906 to October 1911

(fragmentary), October 1919 to September 1931 at site about 3 miles upstream, published 

as Misqually River near La Grande.

Extremes.- Maximum discharge during year, 11,600 second-feet (regulated) Dec. 14 (gage 

fieignt, 7.97 feet); minimum, 89 second-feet (regulated) July 26 (gage height, 1.57 

feet); minimum daily, 364 second-feet Aug. 3.

1919-31, 1943-47: Maximum discharge, 19,500 second-feet Dec. 12, 1921 (gage height, 

15.6 feet, site and datum then in use); practically no flow on many occasions at site 

near La Grande as result of regulation.

Remarks.- Records good. Flow regulated by city of Tacoma power plant at La Grande beginning in February 1945 and by Alder Reservoir beginning in November 1944 (see p. 73). 

La Grande Reservoir, lat. 46°49'20", long. 1S2°18'10", in SE£ sec. 31, T. 16 M., R. 4 

E., 1 mile southeast of La Grande, completed in 1944; usable storage, 1,050 acre-feet 

between elevations 910 feet (minimum practical head) and 935 feet (normal reservoir 

level). No diversion not returned to river above gage. Water used for power.

Discharge, in second-feet, water year October 1946 tc September 1947

Day

1 

2 

3 

4 

5

6

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25 

26

Zt 

28 

29 

30

31

Oct.

980 

1,170 

1,200 

1,140 

1,040

1,280 

1,280 

1,290 

1,220 

1,300

1,290 

1,270 

1,280 

1,280 

1,290

1,260 

1,300 

1,190 

1,220 

1,190

1,180 

1,180 

1,140 

1,150 

1,180

1,180 

1,160 

1,240 

1,220 

1,250 

1,280

Ncv.

1,270 

1,280 

1,280 

1,540 

1.6OO

1,590 

1,590 

1,540 

1,550 

1,450

1,510 

1,560 

1,580 

1,620 

1,630

1,580 

1,080 

1,630 

1,580 

1,590

1,720 

1,880 

1,740 

1,540 

1,730

1,850 

1,770 

1/770 

1,800 

1,840

Month

Octc 

Move 

Dece

Cal

Janu 

Febr 

Marc 

Apr!

June 

July 

Augu 

Sept

Vat

endar year 1946

u&ry

ember. ..........

er year 1946-47

Dec.

1,800 

1,840 

1,640 

1,450 

1,330

2,720 

4,630 

4,340 

4,630 

3,730

6,900 

9,480 

10,000 

10,200 

10,300

8,070 

6,560 

2,880 

2,620 

3,610

3,360 

2,760 

3,200 

2,920 

2,420

1,990 

1,430 

1,320 

1,260 

1,680 

1,560

Jan.

870 

1,620 

1,710 

1,650 

1,590

1,700 

1,780 

1,760 

1,760 

1,750

1,680 

1,660 

1,790 

1,700 

1,780

1,710 

1,660 

1,650 

1,600 

1,710

1,580 

1,570 

1,480 

1,540 

1,590

1,290 

1,580 

1,660 

1,580 

1,620 

1,530

Feb.

1,590 

1,020 

2,270 

3,450 

3,840

2,820 

1,810 

1,810 

1,730 

1,660

1,790 

1,780 

2,200 

2,460 

3,180

4,250 

4,640 

3,610 

2,090 

1.57P

1,540 

1,420 

1,750 

1,750 

1,490

1,390 

1,530 

1,250

Mar.

1,170 

1,450 

1,590 

1,610 

1,570

1,580 

1,520 

1,370 

1,310 

1,540

1,340 

1,120 

922 

988

714

530 

1,070 

1,140 

1,080 

1,190

1,340 

766 

606 

1,320 

1,360

1,210 

1,050 

926 

606 

481 

1,060

Observed

Discharge in 

second-feet

Maximum

1,300 

1,880 

10,300

10,300

1,790 

4,640 

1,610 

2,050 

1,460 

1,270 

1,200 

850 

1,330

10,300

Minimum

980 

1,080 

1,260

448

870 

1,020 

481 

442 

440 

450 

384 

364 

414

364

Mean

1,214 

1,590 

3,956

1,699

1,618 

2,203 

1,146 

1,355 

779 

742 

741 

482 

921

1,392

Runoff 

in 

acre-feet

74.64C 

94.59C 

243, 20C

1,230,OOC

99.47C 

122, 40C 

70.47C 

80.65C 

47.89C 

44.15C 

45.54C 

29.66C 

54.79C

1.007.00C

Apr.

1,120 

1,000 

1,070 

1,110 

1,060

442 

1,110 

1,200 

1,170 

1,050

876 

485 

444 

928 

906

1,190 

1,920 

2,000 

2,050 

2,010

2,020 

1,860 

1,950 

1,960 

1,970

1,950 

1,460 

1,620 

1,460 

1,270

May

814 

942 

444 

440 

924

880 

1,230 

930 

878 

525

460 

1,340 

1,460 

1,020 

1,070

878 

1,130 

646 

773 

809

590 

458 

462 

458 

462

656 

691 

695 

691 

688 

700

Change in

in Alder 

and La Orande 

Reservoirs 

(acre-feet)

-24,910 

+23,570 

) -24,920

-31,310

+4,740 

-1,250 

+5,420 

+6,430 

+20,710 

+11,310 

-2,880 

-2,060 

-28,610

-12,450

June

694 

727 

670 

617 

450

602 

824 

455 

550 

674

674 

612 

683 

636 

640

686 

794 

794 

792 

856

584 

485 

940 

1,270 

1,120

1,070 

1,100 

473 

879 

906

July

l.O'O 

1,030 

1,2X> 

1,130 

610

447 

832 

732 

9*5 

912

6*52

474 

406 

1,170 

902

618 

758 

722 

412 

314

8'32 

722 

818 

986 

895

500 

497 

730 

470 

4<>0 

^ 447

Aug.

410 

372 

364 

410 

424

406 

448 

488 

420 

446

492 

416 

432 

432 

409

370 

419 

420 

556 

520

650 

612 

394 

374 

542

584 

576 

636 

850 

613 

470

Sept.

414 

701 

710 

836 

872

798 

524 

938 

S95 

958

967 

1,130 

964 

548 

1,010

1,140 

1,020 

1,100 

1,080 

1,120

542

1,170 

1,000 

572 

1,140

1,120 

1,240 

496 

1,330 

1,290

Adjusffed for change in 

reservoir contents

Runoff 

in 

acre-feet

49,730 

118,200 

218,300

1,199,000

104,200 

121,200 

75,890 

87,080 

68,600 

55,430 

42,660 

27,600 

26,180

995,100

Discharge in 

second- feet

Moan

809 

1,986 

3,550

1,656

1,695 

2,182 

1,234 

1,463 

1,116 

932 

694 

449 

440

1,375

Per 

square 

mile

2.7 

6.7 

12.0

5.5

5.7 

7.3 

4.1 

4.9' 

3.7 

3.1. 

2.3' 

1.5 

1.4

4.6!

Runoff

inches

5 3.15 

L 7.49 

13.83

3 75.92

! 6.60 

J 7.68 

r 4.81 

I 5.52 

J 4.35 

5 3.51 

I 2.70 

2 1.75 

3 1.66

5 63.05
NISQUALLY RIVER BASIN 75

Nisqually River near McKenna, Wash.

Location.- Water-stage recorder, lat. 46°51'15", long. 122°27'10", in SE£ sec. 20, T. 16 

N., K. 3 E. , 800 feet downstream from Elbow Creek, three-quarters of a mile upstream 

from Tanwax Creek, and 7.4 miles southeast of McKenna. Datum of gage is 373.6 feet 

above mean sea level (from stadia traverse).

Drainage area.- 445 square miles.

Records available.- August 1941 to September 1947.

Extremes (regulated).- Maximum discharge during year, 17,000 second-feet Dec. 11 (gage 

height, 11.45 feet); minimum, 227 second-feet May 21 (gage height, 3.76 feet); minimum 

daily, 314 second-feet Aug. 3.

1941-47: Maximum discharge, that of Dec. 11, 1946; minimum, 85 second-feet Oct. 19, 

1945 (gage height, 2.57 feet); minimum daily, 176 second-feet Jan. 30, 1945.

Remarks.- Records good. Water diverted above station by Yelm Irrigation District. Major 

portion of flow regulated by Alder Reservoir and city of Tacoma power plant at La 

Grande.

Rating tables, water year 1946-47 (gage height, in feet, 

and discharge, In second-feet)

4.5 980

5.0 1,420

5.5 1,950

6.0 2,570

Oct. 1 to Dec. 15

6.5 3,310

7.0 4,250

7.5 5,340

8.0 6,550

9.0 9,350

10.0 12,500

11.0 15,700

Dec. 16 to Sept. 3T

3.9 295

4.2 474

4.8 918

5.2 1,280

5.8 2,020

6.4 3,040

7.0 4,250

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

18 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

84 

25

86 

27 

26 

29 

30 

31

Oct.

1,050 

1,270 

1,240 

1,270 

1,180

1,380 

1,390 

1,420 

1,330 

1,380

1,390 

1,370 

1,370 

1,420 

1,390

1,390 

1,390 

1,310 

1,330 

1,380

1,530 

1,420 

1,430 

1,600 

2,410

2,120 

1,760 

1,640 

1,560 

1,690 

1,670

Nov.

1,700 

1,630 

1,610 

1,770 

1,860

1,860 

1,870 

1,810 

1,800 

1,820

1,840 

1,830 

1,830 

1,860 

1,860

1,780 

1,360 

4,060 

3,510 

2,710

2,460 

3,650 

3,130 

2,690 

2,620

2,640 

2,600 

2,560 

2,450 

2,400

Dec.

2,320 

2,270 

2,220 

2,260 

3,010

3,700 

5,250 

5,020 

5,210 

5,120

11,900 

14,400 

13,500 

13,800 

14,100

10,900 

8,540 

4,330 

3,510 

4,440

4,200 

3,690 

3,860 

3,450 

3,050

2,650 

2,040 

1,840 

1,760 

2,080 

2,040

Jan.

1,310 

1,970 

2,090 

2,070 

2,030

2,120 

2,220 

2,170 

2,140 

2,330

2,370 

2,280 

2,370 

2 , 2-10 

2,250

2,260 

2,210 

2,170 

2,420 

2,440

2,250 

2,350 

2,880 

3,620 

4,300

4,030 

3,200 

2,880 

2,610 

2,500 

2,380

Feb.

2,520 

3,420 

3,740 

4,470 

4,750

3,690 

2,590 

2,550 

2,490 

2,410

2,520 

 2,550 

3,080 

3,690 

4,020

4,940 

5,300 

4,190 

2,700 

2,150

2,050 

1,920 

2,280 

2,090 

1,890

1,740 

1,880 

1,590

Month

Ooto 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl 

Mav

June 

July 

Augu 

Sept

Ha

lendar year 1946

ter year 1946-47 .......................

Mar.

1,470 

1,770 

1,960 

2,120 

2,020

2,020 

1,920 

1,840 

1,730 

2,130

2,120 

1,750 

1,430 

1,420 

1,150

964 

1,420 

1,510 

1,450 

1,530

1,700 

1,200 

950 

1,660 

1,740

1,570 

1,380 

1,260 

892 

972 

1,620

Apr.

1,700 

1,610 

1,590 

1,630 

1,570

965 

1,620 

1,790 

1,870 

1,810

1,650 

1,090 

986 

1,460 

1,400

1,530 

2,500 

2,670 

2,800 

2,980

2,780 

2,520 

2,540 

2,530 

2,530

2,440 

1,950 

2,010 

1,890 

1,730

Secondfoot -days

45,480 

67,570 

166,460

800,610

76,430 

83,210 

48.P68 

58,141 

28,520 

27,243 

24,650 

15,053 

33,883

675,308

May

1,170 

1,280 

710 

658 

1,180

1,100 

1,440 

1,190 

1,140 

744

642 

1,470 

1,690 

1,240 

1,200

1,040 

1,190 

804 

843 

916

662 

508 

454 

454 

438

624 

724 

743 

746 

743 

777

Maximum

2,410 

4,060 

14,400

14,400

4,300 

5,300 

2,130 

2,980 

1,690 

1,300 

1,270 

885 

1,740

14,400

June

811 

798

754 

743 

740

694 

1,000 

624 

743 

914

887 

848 

812 

790 

748

806 

1,020 

999 

968 

1,190

780 

602 

1,010 

1,270 

1,220

1,110 

1,300 

772 

1,210 

1,080

July

1,150 

1,190 

1,270 

1,190

774

488 

844 

862 

992 

984

747 

509 

438 

1,030 

1,080

750 

787 

799 

412 

398

890 

806 

926 

938 

908

531 

596 

808 

594 

495 

464

Minimum

1,050 

1,360 

1,760

458

1,310 

1,590 

892 

965 

438 

602 

398 

314 

418

314

Aug.

424 

318 

314 

394 

388

375 

420 

498 

396 

392

512 

393 

416 

411 

446

332 

386 

452 

612 

540

673 

686 

418 

317 

572

613 

654 

668 

885 

650 

498

Mean

I,4f7 

2,252 

5,370

2,153

2,465 

2,972 

1,570 

1,938 

920 

908 

795 

486 

1,129

1,850

Sept.

418 

768 

750 

875 

888

876 

668 

1,040 

1,040 

1,080

1,080 

1,830 

1,130 

1,740 

1,200

1,370 

1,300 

1,310 

1,370 

1,310

748 

1,250 

1,310 

1,520 

1,340

1,380 

1,420 

342 

1,390 

1,440

Runoff in 

acre -feet

90,210 

134,000 

330,200

1,588,000

151,600 

165,000 

96,530 

115,300 

56,570 

54,040 

48,890 

29,860 

67,210

1,339,000
76 NISQUALLY RIVER BASIN 

Mineral Greek near Mineral, Wash.

Location.- Water-stage recorder, lat. 46°44'20", long. 122°08'20", in SW£ sec. 35, T. 15 

N. , K . 5 E. , three-eighths of a mile downstream from railroad bridge, 1 mile upstream 

from mouth, and Z\ miles: northeast of Mineral.

Drainage area.- 75 square miles.

Records available.- June 1942 to September 1947.

Extremes.- Maximum discharge during year, 5,240 second-feet Dec. 11 (gage height, 8.25 

feet) , from rating curve extended above 2,700 second-feet; minimum, 31 secon-l-feet Oct. 

18, 19.

1942-47: Maximum discharge, that of Dec. 11, 1946; minimum, 23 second-feet Sept. ID13, 1944.

Remarks. - Records good except those for periods of shifting -control, which are fair, 

diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 1S47

No

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

52 

42 

38 

42 

56

46 

50 

52 

44

38

36 

36 

34 

36 

36

34 

33 

31 

36

360

277 

243 

350 

346 

497

485 

350 

265 

221 

221 

243

Nov.

341 

254 

208 

194 

184

194 

197 

178 

168 

184

162 

150 

135 

129 

124

116 

532 

2,380 

1,520 

865

607 

898 

898 

852 

898

1,180 

1,640 

1,360 

1,000 

754

Dec.

590 

528 

528 

754 

1,360

1,140 

965 

1,000 

965 

1,700

4,180 

4,040 

4,280 

3,600 

3,280

2,000 

1,320 

1,000 

813 

709

638 

584 

538 

496 

477

453 

444 

409 

397 

382 

374

Jan.

359 

351 

340 

333 

333

333 

322 

318 

318 

448

426 

401 

382 

348 

344

344

333 

366 

426 

386

439 

561 

1,240 

2,290 

2,990

2,740 

1,400 

898 

670 

538 

439

Feb.

721 

2,050 

1,140 

858 

696

613

555 

512 

472 

453

544

716 

1,120 

1,920 

1,520

1,100 

839 

670 

538

462

418 

382 

355 

340 

322

304 

£84 

274

un«+v. Second 

Month foot-days

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Hare 

Apri 

May 

June 

July 

Augu 

Sept

Wa

lendar year 1946 

ary ?

ii&ry 2

ember .......... ... ......

4,630 

8,302 

9,944

0,166

1,416 

0,178 

1,207 

1,847 

4,412 

3,282 

2,006 

1,442 

2,046

ter year 1946-47 .......... 140,712

Peak discharge.- N

(11 p.m. ) 4,640 sec. 

Note.- Shlfting-co

Mar.

255

261 

315 

322 

284

264 

261 

271 

294 

486

638 

533 

462 

435 

453

486 

501 

482 

444 

401

382 

370 

336 

333 

301

274 

255 

236 

249 

315 

308

Maximum

497 

2,380 

4,280

4,280

2,990 

2,050 

638 

645 

264 

190 

131 

52 

207

4,280

Apr.

370 

370 

333 

315 

322

326 

301 

322 

344 

533

501 

444 

435 

435 

431

393 

409 

544 

645 

626

507 

4>18 

366 

336 

312

294 

294 

294 

336 

291

May

264 

252 

242 

218 

213

201 

198 

188 

185 

172

159 

149 

140 

135 

131

131 

122

117 

117 

113

1Q8 

104 

100 

94 

88

84

82 

81 

79 

74

71

June

76 

84 

78 

74 

79

74 

82 

154 

172 

159

135 

115 

102 

94 

86

122 

113 

100 

96 

96

86 

81 

76 

74 

74

115 

185 

190 

166 

144

Minimum Mean

31 149 

116 610 

374 1,289

31 494

318 691 

274 731 

236 362 

291 395 

71 142 

74 109 ' 

47 64.7 

41 46.5 

41 68.2

31 386

July

131 

113 

ICO 

£4 

£4

78 

74 

F8 

£4

eo 

es

64 

59 

56 

£6

F4

FO 

£0 

49 

48

47 

48 

47 

48 

4f

54 

F6 

73 

62 

54 

53

Per 

square

mile

1.99 

8.13 

17.2

6.59

9.21 

9.61 

4.83 

5.27 

1.89 

1.45 

.863 

.620 

.909

5.15

Aug.

52 

50 

50 

50 

50

49 

49 

49 

48 

48

49 

50 

48 

47 

47

48 

48 

46 

45 

45

44 

43 

43 

43 

42

42 

42 

41 

42 

46 

46

Sept.

44 

42 

41 

41 

41

42 

94

207 

172 

124

92 

81 

70 

65 

62

65 

62 

60 

58 

55

54 

53 

52 

51 

50

50 

50 

59 

56

53

Runoff

Inches

2.30 

9.08 

19.81

89.37

10.62 

10.01 

5.56 

5.87 

2.19 

1.63 

.99 

.72 

1.01

69.79

Acre-feet

9,180 

36,300 

79,230

357,400

42,480 

40,020 

22,230 

23,500 

8,750 

6,510 

3,980 

2,860 

4,060

279,100

ov. 18 (2:30 p.m.) 3,380 sec. -ft.; Dec. 11 (l p.m.) 5,240 sec. -ft.; Dec. 12 

-ft.j Dec. 14 (11 p.m.) 4,040 sec. -ft.; Jan. 25 (3:30 p.m.) 4,040 sec. -ft. 

ntrol method used Oct. 1 to Nov. 18, Dec. 11 to Sept. 7.
NISQUALLY RIVER BASIN 77

Mashel River near La Grande, Wash.

Location.- Hater-stage recorder, lat. 4.6°51'27", long. 122°18'12", In NEv sec. 21, T. 16 

N., R. 4 E., 2 miles upstream from mouth and 2 miles northeast of La Grands. Datum 

of gage is 619.35 feet above mean sea level, datura of 1929.

Drainage area.- 79 square miles.

Records available.- October 1940 to September 1947.

Extremes.- Maximum discharge during year, 7,980 second-feet Dec. 11 (gage height, 9.30 

reet), from rating curve extended above 3,200 second-feet; minimum, 9.9 second-feet 

(regulated) Sept. 4 (gage height, 1.69 feet).

1940-47: Maximum discharge, that of Dec. 11, 1946; minimum, 7.2 second-feet (regulated) July 6,7, 1945.

Remarks.- Records good except those above 3,000 second-feet or those for periods of

sETTEing control, which are fair. Small diversion for city of Eatonville water supply. 

Some regulation by millpond in Eatonville.

Discharge, in second-feet, water year October 1946 to Septemberi947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

47 

31 

26 

33 

72

44 

51 

65 

46 

35

28 

26 

25 

24 

23

23 

23 

23 

26 

144

2O4 

155 

193 

362 

1,010

602 

343 

235 

202 

245 

222

Nov.

271 

205 

171 

160 

160

163 

176 

168 

150 

235

202 

173 

160 

145 

134

121 

184 

2,440 

1,130 

622

462 

1,300 

890 

674 

542

553 

595 

517 

430 

355

Dec.

283 

279 

287 

712 

1,170

770 

547 

502 

478 

1,030

5,570 

3,160 

2,570 

2,340 

2,300

1,120 

692 

490 

406 

354

321 

296 

267 

245 

225

223 

249 

207 

179 

158 

156

Jan.

153 

131 

122 

115 

136

158 

131 

131 

133 

293

274 

234 

195 

140 

142

158 

147 

212 

306 

247

340 

422 

. 989 

1,840 

2,870

2,260 

952 

577 

406 

337 

269

Month

Octc 

Nove 

Dace

Ca

Jami 

Febi 

Hare 

Apr! 

May 

June 

Julj 

Augu 

Sept

fa

lendar year 1946 

ary

1

ember .....................

ter year 1945-47 ..........

Feb.

454 

2,050 

772 

490 

391

334 

306 

281 

258 

249

290 

376 

637 

895 

648

472 

376 

313 

269 

242

219 

203 

185 

171 

158

147 

135

133

Secondfoot-days

4,588 

13,488 

27,586

116,327

14,823 

11,454 

5,644 

6,946 

2,082 

2,720 

1,330 

602 

928

92,191

Peak discharge.- Nov. 18 (12 m.) 5,420 set

Mar.

119 

108 

146 

186 

143

127 

133 

157 

168 

344

412 

340 

267 

249 

236

224 

203 

180 

160 

140

149 

194 

143 

133 

125

125 

112 

96 

101 

221 

203

Maximum

1,010 

2,440 

5,570

5,570

2,870 

2,050 

412 

416 

120 

200 

101 

32 

106

5,570

Apr.

224 

255

203 

200 

206

246 

221 

255 

290 

378

360 

287 

267 

246 

218

191 

200 

252 

374 

416

293 

227 

186 

165 

143

127 

117 

115 

149 

135

May

120 

110 

96

90 

84

81 

79 

77 

115 

110

94

86 

77 

71 

66

64 

64 

60 

62 

59

52 

46 

43 

42 

39

36 

34 

33 

33 

30 

29

Minimum

23 

121 

156

17

115 

133 

96 

115 

29 

34 

16 

13 

13

13

June

35 

42 

34 

35 

36

62 

49 

99 

157 

160

140 

108 

94 

86 

73

99

125 

108 

94 

92

81 

69 

62 

55 

49

59

143 

2OO 

154 

120

Mean

148 

450 

890

319

478 

409 

182 

232 

67.2 

90.7 

42.9 

19.4 

30.9

253

July

101 

88 

73 

68 

57

55 

52 

49 

43 

39

39 

39 

38 

3i 

16

29 

29 

28

30

26

26 

26 

23 

24 

25

26 

30 

86 

59 

39 

34

Per 

square 

mile

1.87 

5.70 

11.3

4.04

6.05 

5.18 

2.30 

2.94 

.851 

1.15 

.543 

.246 

.391

3.20

Aug.

32 

30 

28

26 

24

23 

22 

22

22 

21

21

22 

20 

19 

18

18 

18 

16 

14 

14

14 

14 

16 

16 

14

14 

13 

13 

13 

23 

22

Sept.

18 

15 

14 

13 

14

16 

18 

90 

106 

73

52 

39 

34 

29 

28

38 

39 

34 

28 

26

25 

22 

21 

20 

20

20 

18 

20

20 

18

Runoff

Inches Ac re- feet

2.16 9,100 

6 . 3.3 26 , 750 

12.93 54,720

54.77 230,700

6.93 29,400 

5 ."33 22,720 

2.63 11,190 

3.27 13,780 

.93 4,130 

1.23 5,400 

.63 2,640 

.23 1,190 

.44 1,840

43.41 182,900

.-ft.; Dee. 11 (12:30 p.m.) 7.980 sec. -ft.; Dec. 15

Note.- Shifting-control method used Nov. 18 to Dec. 1O, Jan. 11-22, Feb. 10-13.
78 NISQUALLY RIVER BASIN

Ohop Creek near Eatonville, Wash.

Location.- Water-stage recorder, lat. 46 0 52'50", long. :.22°16 '38", in SEi~ sec. 10, T. 16 

N. , K. 4 E., 400 feet downstream from Lynch Creek, 600 feet downstrearr from outlet of 

Ohop Lake, and 1 mile northwest of Eatonville. Datum of gage is 519.8 feet above mean 

sea level (from stadia traverse).

Drainage area.- 35.0 square miles.

Records available.- June 1987 to October 1932. September 1941 to Septemter 1947.

Extremes.- Maximum discharge during year, 1,600 second-feet Dec. 11 (gage height, 5.97 

t'eet}; minimum not determined, occurred sometime during period of douttful gage-height 

record in September.

1927-32, 1941-47: Maximum discharge, that of Dec. 11, 1946; minimum, 2.3 secondfeet Aug. 22, 23, 1944.

Remarks.- Records good except those below 20 second-feet, which are fair. No diversion. 

Natural regulation in Ohop Lake.

2.1 10.5

2.3 23

2.5 42

2.7 66

Rating tables, water year 1946-47 (gage height, In feet,

and discharge, In second-feet) 

(Shifting-control method used July 8 to Sept. 12)

Oct. 1 to Dec. 11

2.9 98

3.1 138

3.4 210

3.8 334

4.2 491

4.6 691

5.0 918

5.5 1,250

1.1 

1.3 

1.5 

1.7 

1.9

Dec. 12 to Sept. 30

2.2 

2.5 

2.8 

3.1 

3 . 5

114

165

225

294

400

4.0 

4.5 

5.2

555

738

1 , 100

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

22 

15.5

15 

17 

30

19.5 

22 

28 

20 

16.5

16 

14.5 

13 

12 

14

15.5 

15 

14 

14 

45

52 

42 

43

61 

167

156 

149 

108 

91 

134 

109

Nov.

108 

86 

74 

63 

57

53 

51 

47 

44 

72

70 

61 

53 

48 

44

40 

51 

514 

558 

332

2O5 

348 

327 

244 

197

165

149 

132 

123 

119

Dec.

106 

98 

93 

140 

250

241 

189 

167 

174 

292

1,110 

1,100 

608 

506 

589

400 

306 

284 

256 

232

d!90 

d!60 

d!35 

dl!5 

dlOO

d86 

d85 

d82 

d76 

d72 

68

Jan.

68 

71 

72 

70 

71

73 

71 

71 

71 

100

111 

106 

104 

92 

88

86 

85 

105 

161 

154

188 

212 

284 

345 

429

386 

287 

263 

238 

182 

149

Feb.

163 

272 

225 

186 

161

142 

124 

105 

86 

88

89

91 

95 

91 

84

77 

70 

65 

61 

58

54 

52 

30 

47 

46

45 

42 

39

Mnnth SeCOUdfoot-days

Octo 

Note 

Dece

Ca

Janu 

Febr 

Uaro 

Apri 

May 

June 

July 

Augu 

Sept

Wa

mber . . .................. 8

lendar year 194 

ary

6 ... 35

4

ember .....................

490.5 

435 

310

127.2

793 

708 

829 

764 

600.5 

874.0 

534.8 

315.8 

292.2

ter year 1946-47. ......... 28,946.8

Peak discharge.- N

a No gage-height r 

d Doubtful gage -he 

f Computed on basi

Mar.

36 

36 

46 

71 

61

56 

56 

66 

64 

75

100 

92 

81 

73 

66

59 

54 

50 

46 

43

43 

57 

48 

47 

46

45 

40 

37 

37 

102 

96

Maximum

167 

558 

1,110

1,110

429 

272 

102 

156 

41 

56 

39 

12 

24

1>110

Apr.

96 

111 

96 

92 

95

99 

91 

99 

127 

145

156 

127 

106 

91 

80

70 

68 

70 

130 

138

111 

95 

81 

72 

64

58 

53 

48 

49 

46

May

41 

37 

34 

32 

27

22 

18 

18 

19.5 

20

18.5 

18.5 

18

17 

16.5

17 

17 

17

16.5 

15

14.5 

14.5 

14.5 

14.5 

15

15 

15 

14.5 

14.5 

14.5 

14.5

June

14.5

18 

15 

16 

18

19.5 

23 

49 

51 

53

46 

38 

33 

28 

26

39 

41 

33 

28 

25

19.5 

13.5 

14.5 

14 

14.5

15 

34 

56 

43 

36

Minimum Mean

12 48.1 

40 148 

68 268

6.5 96.2

68 155 

39 96.7 

36 59.0 

46 92.1 

14.5 19.4 

13.5 29.1 

8.4 17.3 

8.8 10.2 

6.0 9.74

6.0 79.3

P

sqv

m:

July

31 

25 

19.5 

16.5 

14.5

14.5 

33 

39 

33 

28

24

21 

18.5 

16 

17

14.5 

12.5 

11.5 

11.5 

11

11 

10.5 

10 

9.6 

9.6

10 

10 

24 

11 

9.2 

8.4

Aug.

8.8 

8.8 

8.8

11 

12

11.5 

12 

12 

11.5 

11.5

11.5 

11.5 

11.5 

11 

10.5

10.5 

10.5 

10 

9.6 

9.6

9.2 

9.2 

9.2 

9.2

9.2

8.8 

8.8 

8.8 

8.8 

10 

10.5

Sept.

9.6 

9.2 

9.2 

8.8 

8.4

8.4 

9.6 

24 

23 

13

11.5 

11 

alO 

a9.5 

a9.0

all 

all 

alO 

a9.0 

aS.O

a7.6 

a7.4 

a7.1 

a7.0 

a6.8

f6.8 

d6.8 

d7.0 

d6.5 

d6.0

er Runoff

l e Inches

1.37 1.58 

4.23 4.71 

7.66 8.83

2.75 37.32

4.43 5.09 

2.76 2.88 

1.69 1.94 

2.63 2.94 

.554 .64 

.831 .93 

.494 .57 

.291 .34 

.278 .31

2.27 30.76

Acre-feet

2,960 

8,800 

16,480

69,660

9.510 

5,370 

3,630 

5,480 

1,190 

1,730 

1,060 

626 

580

57,420

ov. 18 (2:30 p.m.) 746 sec. -ft.; Dec. 11 (9:45 p.m.) 1,600 se;.-ft. 

ecord. 

ight record; discharge computed on basis of records for nearb;r streams, 

s of partly estimated gage-height record.
NISQUALLY RIVER BASIN 79

Tanwax Creek near McKenna, Wash.

Location.- Water-stage recorder, lat. 46°52'00", long. 122°27'10", in KW^NE^ sec. 20, T. 

Ib N. , R. 3 E., a quarter of a mile upstream from mouth and 7 miles southeast of 

IcKenna.

Drainage area.- 27.2 square miles.

Records available.- Kovermber 1944 to September 1947.

Extremes.- Maximum discharge during year, 328 second-feet Dec. 15 (gage height, 3.20 feet); 

minimum, 1.0 second-foot Aug. 28 (gage height, 0.50 foot).

1944-47: Maximum discharge, that of Dee. 15, 1946; minimum, 0.9 second-foot Oct. 6, 

7, 8, 1945.

Remarks.- Records good except those for periods of shifting control, which are fair. No 

diversion. Natural regulation in several lakes.

Rating table, water year 1946-47,: except periods of ,shifting control 

(gage height, in feet, and discharge, in second-feet)

0.5 1.0 l.O 9.4 Z.I 111 

.6 1.7 1.1 13 2.4 164 

.7 2. 3 1.3 21 Z.I 222 

.8 4.4 1.5 33 3.1 306 

.9 6.6 1.8 63

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

2.0 

2.0 

1.8 

2.0 

2.2

2.0 

2.5 

2.2 

2.2 

2.2

2.0 

2.0 

2.0 

2.5 

2.0

1.6 

1.5 

1.5 

1.9 

3.3

6.1 

5.9 

4.5 

4.7 

5.6

11 

16 

11 

9.7 

14 

14

Nov.

12 

10 

10 

8.2 

7.4

6.8 

6.6 

7.4 

14 

13

11 

9.4 

7.6 

6.6 

6.4

7.1 

12 

110 

146 

109

94

111 

132 

118 

108

94 

84

76 

70 

70

Dec.

63 

58 

52 

55 

96

106 

92 

84 

83

91

214 

302 

267 

252 

3O6

240 

192 

159

139 

121

111 

97 

86 

76 

68

63 

61 

56 

51 

46 

42

Jan.

4O 

4O 

36 

32

31

33 

32 

31 

29 

38

50 

47 

46 

41 

38

40 

36 

37 

59 

56

57 

57 

64 

86 

120

148 

13O 

114 

1O1 

88 

76

Feb.

75 

120 

113 

97 

86

76 

69 

59 

55 

50

50 

48 

50 

51 

49

46 

43 

40

37

35

34 

33 

32 

30 

29

27 

25 

25

«°nth foo°t ays

Ooto 

Hove 

Dece

Ca

Janu 

Febi 

Hare 

Apri 

Bay 

June 

Julj 

Augu 

Sept

Wa

mber ...................... 3

lendar year 1946 

ary

14

1

ember .....................

143.9 

,477.5 

,729

,259.4

,833 

,484 

,151 

,175 

403.4 

2O0.2 

80.5 

46.3 

46.4

ter year 1946-47 .......... 11,770.2

Mar.

24 

3O 

36 

43 

4O

36 

36 

39 

39

47

66 

59 

51 

46 

42

39 

36 

f33 

f32 

30

29 

33 

31 

30 

30

29 

27 

26 

25 

42 

45

Maximum

16 

146 

306

3O6

148 

120 

66 

58 

23 

12 

5.2 

2.0 

1.9

3O6

Apr.

48 

53 

56 

47 

45

44 

40 

42 

55 

53

58 

50 

45 

4O 

36

32 

30 

34 

39 

51

43 

38 

34 

30 

27

24 

22 

20 

20 

19

May

17 

22 

23 

21 

19

17 

17 

14 

14 

15

15 14' 

13 

13 

13

12

12 

12

11 

11

1O 

10 

9.4 

8.5 

8.2

7.9 

7.9 

7.9 

7.9 

11 

9.7

June

8.2 

9.1

7.9 

7.4 

7.4

7.1 

8.2 

12 

10 

8.8

8.5 

8.2 

7.1 

6.6 

6.1

7.1

7.6 

6.8 

6.1 

5.4

4.7 

4.7 

4.5 

3.7 

4.0

4.4

4.7 

5.0 

4.7 

4.2

Minimum Mean

1.5 4.64 

6.4 49.2 

42 120

1.4 39.1

29 59.1 

25 53.0 

24 37.1 

19 39.2 

7.9 13.0 

3.7 6.67 

1.9 2 . 60 

1.2 1.49 

1.3 1.55

1.2 32.?

1947

July

3.8 

4.7 

5.2 

3.8 

3.2

2.9 

2.5 

2.5 

2.5 

2.5

2.5 

2.5 

2.5 

2.5 

2.5

2.4 

2.2 

2.8 

2.5 

2.2

2.O 

2.0 

2.0 

2.0 

2.0

2.0 

2.0 

2.2 

2.2 

2.0 

1.9

Per 

square 

mile

0.171 

1.81 

4.41

1.44

2.17 

1.95 

1.36 

1.44 

.478 

.245 

.096 

.055 

.057

1.18

Aug.

1.8 

1.8 

1.9 

2.O

1.7

1.6 

1.6 

1.6 

1.5 

1.6

1.6 

1.5 

1.5 

1.5 

1.5

1.5 

1.4 

1.3 

1.3 

1.3

1.3 

1.4 

1.4 

1.4

1.4

1.3 

1.3 

1.2 

1.3

1.4 

1.4

Sept.

1.4 

1.4 

1.4 

1.3 

1.4

1.4 

1.5 

1.8 

1.9 

1.8

1.6 

1.6 

1.9 

1.6 

1.5

1.5 

1.4 

1.4 

1.4 

1.5

1.5 

1.9 

1.6 

1.5 

1.5

1.5 

1.5. 

1.5 

1.6 

1.6

Runoff

Incher

0.20 

2.02 

5.1?

19.50

2.51 

2.03 

1.57 

1.61 

.55 

.27 

.11 

.OS 

.OS

16. 03

Acre-feet

285 

2,930 

7,400

28,280

3,640 

2,940 

2,280 

2,330 

80O 

397 

160 

92 

92

23,350

f Computed on basis of partly estimated gage-height reeord.

Note.- Shifting-control method used Mar. 25 to July 13, July 29 to Aug. 26.
CHAMBERS CREEK BASIN

Chambers Creek below Leach Creek, near Steilaeoom, Wash.

Lor-at Ion.- Water-stage recorder, lat. 47°1S', long. 122°32', in NE^NEf sec. 27, T. 20 N., 

~R. 2 E., a quarter of a mile downstream from Leach Creek, ij miles downstream from 

outlet of Steilacoom Lake, and 3 miles northeast of Steilacoom.

Records available.- December 1937 to September 1940, July 1943 to September 1947.

Extremes.- Maximum discharge during year, 323 second-feet Feb. 2 (gage height, 2.92 feet); 

minimum, 45 second-feet Oct. 19.

1937-40, 1943-47: Maximum discharge not determined, probably occurred during.,period 

of no gage-height record Feb. 13 to Mar. 6, 1939; minimum, 34 second-feet Aug. 16, 1940, 

Aug. 30, Oct. 25, 1944.

Remarks - Records good except those for period of shifting control, which are fair.

Discharge partly regulated by gates at outlet of Steilacoom Lake. Some diversions for 

domestic use and for irrigation of small garden plots.

Rating tables, water year 1946-47, except period of shifting control 

(gage height, in feet, and dl - harge, in second-feet)

Oct. 1 to Jan. 31 Feb. 1 to Sept. 30

1.2 43 2.0 139 1.1 48 1.9 151 

1.4 61 2.2 170 1.3 68 2.1 183 

1.6 84 2.5 223 1.5 93 2.3 216 

1.8 110 1.7 121 2.7 286

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

49 

49 

49 

49 

49

49 

49 

49 

49 

49

49 

49 

47 

46 

46

46 

47 

46 

48 

57

53

53 

50 

49 

49

49 

49 

49 

49 

49 

62

Nov.

66 

59 

55 

53 

52

51 

50 

50 

49 

49

49 

49 

49 

49 

49

48 

51 

68 

71 

82

77 

97 

97 

96 

90

88 

88 

83 

85 

88

Dec.

88 

89

90 

102 

106

98 

94 

97 

102 

116

123 

138 

148 

167 

187

210 

223 

223 

219 

212

209 

203 

200 

196 

192

192 

191 

184 

182 

177 

175

Jan.

172 

168 

165 

ISO 

160

160 

157 

154 

151 

159

152 

151 

148 

144 

142

140 

139 

146 

144 

140

139 

146 

151 

167 

210

207 

212 

219 

219 

218 

212

Feb.

259 

286 

277 

277 

277

268 

268 

259 

250 

259

259 

250 

259 

259 

250

242 

242 

233 

233 

233

224 

224 

224 

216 

213

211 

206 

204

Month

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Apr!

MAV

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

202 

201 

201 

196 

191

186 

186 

186 

191 

197

189 

186 

186 

185 

181

180 

180 

178 

175 

173

175 

172 

170 

170 

164

162 

162 

162 

164 

177 

169

Apr.

178 

172 

165 

162 

156

156 

156 

169 

165 

172

165 

161 

157 

156 

154

154 

161 

159 

169 

159

154 

153 

153 

148 

146

145 

145 

145 

146 

145

Secondfoot -days

1,532 

1,988 

4,933

48,835

5,152

6,871 

5,597 

4,726 

3,422 

2,644 

2,102 

1,765 

1,661

42,393

May

144 

142 

139 

122 

107

83 

60 

66 

136 

133

128 

124 

122 

120 

118

117 

117 

117 

115 

113

111 

110 

103 

89 

93

97 

97 

99

100 

103 

97

Maximum

62 

97 

223

296

219 

286 

202 

178 

144 

99 

73 

66 

62

286

June

90 

92 

93 

93 

94

94

96 

99 

97 

96

96 

93 

92 

89 

89

95 

92 

90 

89 

89

86 

86 

84 

84 

80

73

73 

73 

73 

73

July

73 

70 

73 

72 

72

12 

70 

66 

66 

66

66 

67 

67 

68 

69

69 

67 

67 

67 

67

f7

ee

66 

67 

66

66 

66 

67 

66 

66 

65

Aug.

65 

66 

65 

62 

61

61 

59 

57 

56 

56

56 

56 

56 

56 

56

56 

56 

56 

55 

55

55 

55 

55 

55 

55

54 

53 

53 

54 

55 

55

Sept.

54 

55 

59

58 

57

59 

61 

62 

60 

58

57 

57 

56 

56 

56

56 

56 

55 

53 

53

53 

53 

53 

52 

52

52 

52 

52 

52 

52

Minimum Mean Sore-f««t

46 49.4 3,040 

48 66.3 3,940 

88 159 9,780

46 134 96,860

139 166 10,220 

204 2t5 13,630 

162 181 11,100 

145 158 9,370 

60 110 6,790 

73 88.1 5,240 

65 67.8 4,170 

53 56.9 3,500 

52 55.4 3,290

46 116 84,070

Note.- Shifting-control method used May 4-8.
PUYALLUP RIVER BASIN 81

Puyallup River near Electron, Wash.

Location. - Water-stage recorder, lat. 46°54'10", long. 122°02 I 00", in NEillWj sec. 3, T. 

ib N., R. 6 E., 1,000 feet upstream from Puget Sound Power & Light Co.'s flume headworks, a quarter of a mile downstream from Mowich River, and 10 miles southeast of 

Electron.

Drainage area.- 93 square miles.

Records available.- October 1908 to September 1926 and October 1944 to September 1947 in 

reports or ueoiogical Survey. October 1908 to September 1933 (monthly discharge only) 

in State Water-Supply Bulletin 5.

Average discharge.- 21 years (1908-26, 1944-47), 504 second-feet.

Extremes.- Maximum discharge during year, 9,160 second-feet Dec. 11 (gage height, 8.75 

reet); minimum, 160 second-feet Oct. 18, 19 (gage height, 2.55 feet).

1908-26, 1944-47: Maximum discharge, that of Dec. 11, 1946; minimum (estimated), 

100 second-feet Dec. 12, 1922, when stage-discharge relation was affected by ice. 

Revisions.- The maximum discharge for the water year 1945 has been revised to 

4,590 second-feet Feb. 7, 1945 (gage height, 7.64 feet), superseding figure published 

in Water-Supply Paper 1012, and the maximum discharge for the water year 1946 has 

been revised to 3,830 second-feet Dec. 28, 1945 (gage height, 7.15 feet) superseding 

figure published in Water Supply Paper 1062.

Remarks.- Records fair. No diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

275 

228 

204 

£35 

225

204 

228 

228 

210 

198

194 

192 

196 

196 

190

176 

164 

162 

170 

672

468 

408 

420 

1,560 

3,650

1,540 

950 

665 

528 

436 

412

Nov.

416 

347 

326 

329 

329

353 

347 

326 

320 

326

296 

281 

269 

260 

250

242 

536 

2,230 

1,260 

830

690 

1,390 

1,080 

860 

740

830 

1,180 

1,020 

770 

640

Dec.

550

560 

536 

640 

770

S10 

528 

524 

550 

1,040

g5,740 

g3,030 

g2,740 

g2,680 

2,260

1,580 

980 

740 

665 

595

536 

508 

460 

440 

416

412 

392

365 

356 

341 

335

Jan

326 

311 

299 

293 

320

303 

290 

290 

284 

444

374 

347 

326 

278 

287

296 

278 

350 

380 

335

365 

456 

1,510 

2,100 

1,800

1,540 

950 

690 

560 

500 

440

Month

Ootc 

Hove 

Dece

Cs

Jant 

Febi 

Marc 

Apr! 

May 

June 

Julj 

Augu 

Sept

Us

lendar year 1946

Tiary

ember .....................

ter year 1946-47 ..........

Feb.

500 

512 

615 

500 

452

424 

404 

384

380 

388

480 

715 

1,020 

1,340

980

740 

620 

536 

476 

432

408 

384 

368 

356 

338

317 

290 

272

Secondfoot-days

15,584 

19,073 

31,879

228,183

17,324 

14,631 

10,720 

15,610 

18,228 

20,182 

15,875 

11,411 

11,289

201,806

Mar.

250 

242

272 

263 

242

230 

228 

230 

230 

284

311

2fi7 

287 

314 

356

412 

460

472 

468

436

464 

580 

484 

428 

384

359 

335 

323 

329 

380 

380

Maximum

3,650 

2,230 

5,740

5,740

2,100 

1,340 

580 

1,120 

860 

1,020 

665 

492 

715

5,740

Apr

371 

359 

338 

329 

332

344 

338 

359 

356 

392

368 

384 

448 

524

615

630 

690 

920 

1,120

1,020

690 

565 

504 

468 

448

440 

520 

580 

630 

528

May

520 

770 

665 

585 

540

610 

690 

635 

740 

580

500 

472 

444

412

396

384 

384 

392 

472 

512

565 

545 

575 

665

770

830 

860 

800 

690 

640 

585

Minimum

162 

242 

335

162

278 

272 

228 

329 

384 

460 

388 

255 

275

162

June

575 

532 

484 

476 

492

560 

640 

890 

950 

920

665 

560 

550 

496 

460

1,020 

992 

770 

665 

605

524 

536 

580 

630 

625

890 

950 

860 

690 

595

Mean

503 

636 

1,028

625

559 

523 

346 

520 

588 

673 

512 

368 

376

553

July

625 

635 

555 

504 

504

492 

456 

452 

484 

488

500 

620 

640 

615 

580

540 

580 

665 

600 

520

488 

464 

444 

416 

388

408 

428 

532 

408 

416 

428

Per 

square 

mile

5.41 

6.84

11.1

6.72

6.01 

5.62 

3.72 

5.59 

6.32 

7.24 

5.51 

3.96 

4.04

5.95

Aug.

416 

452 

492 

468 

420

400

396 

377 

350 

314

326 

353 

380 

412 

424

416 

380 

371 

341 

290

278 

258 

255 

278 

311

344 

365 

374 

396 

424 

350

Sept.

362 

362 

344 

380 

332

308 

508 

590 

715 

480

380 

359

332 

293 

323

468 

365 

f314 

f281 

f275

326 

365 

371 

356 

347

332 

344 

374 

362 

341

Runoff

Inches

6.23 

7.63 

12.73

91.24

6.93 

5.85 

4.23 

6.24 

7.23 

8.07 

6.35 

4.5S 

4.51

80.70

Peak discharge.- Oct. 25 (7:15 a.m.) 5,710 sec. -ft.; Nov. 18 (l p.m.) 3,280 sec. -ft.;

Acre- feet

30,910 

37,830 

63,230

452,600

34,360 

29,020 

21,260 

30,960 

36,150 

40,030 

31,490 

22,630 

22,390

400,300

Dec. 11

(12 m.) 9,160 sec.-ft.j Jan. 24 (6 a.m.) 2,610 sec.-ft.; Feb. 14 (11 a.m. to 12 m.) 1,420 sec.-ft. 

f Computed on basis of partly estimated gage-height record, 

g Computed from graph based on gage readings.
82 PUYALLUP RIVER BASIN

Puyallup River at Electron, Wash.

Location.- Water-stage recorder, lat. 46°59'45", long. 122°10'40", in NE-J sec. 4, T. 17 

N., K. 5 E., a quarter of a mile downstream from Electron Power Plant, three-quarters 

of a mile east of Electron, and 1 mile upstream from Fox Creek.

Records available.- July to October 1946 (discontinued).

Extremes - Maximum discharge during period, 1,410 second-feet (regulated) Oct. 20 (gage 

height, 4.19 feet); minimum, 58 second-feet (regulated) Oct. 16, 19 (ga^e height, 1.48 

feet).

Remarks.- Records excellent. Flow regulated by Puget Sound Power & Light Co.'s power plant. 

Water diverted for power purposes returned to river above station.

Rating table, July to October 1946 (gage height, in feet, 

and discharge, in second-feet)

2.0 143 2.9 460 

2.2 196 3.2 625 

2.4 260 3.5 830 

2 . 6 330

Discharge, in second-feet, July to October 1946

Day

1 

2 

3 

4 

5

6 

7 

8 

9

.10

11 

12 

13 

14

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

July

738 

725

698 

634 

734 

752 

682 

593

Month

Octo 

Nove 

Dece

Ca

Janu 

Pebr 

Hare 

Aprl

Mav

June 

July 

Augu 

Seet 

Octo

Th

lendar year

24-31.1 

st

her \*-£i> 

e period

Aug.

694 

640 

616 

649 

626

581 

441 

436 

509 

567

559 

534 

508 

492 

563

558 

484 

546 

678 

768

712 

664 

6&2 

666 

594

594 

596 

582 

566 

493 

460

Sept.

426 

449 

428 

478 

517

476 

386 

350 

309 

371

400 

385 

406 

408 

a350

a350 

294 

262 

250 

258

247 

219 

269 

322 

332

280 

236 

238 

292 

328

Oct.

270 

208 

180 

222 

231

190 

225 

222 

198 

176

170 

"175 

188 

177 

189

176 

227 

143 

158

695

594 

481 

498

foTt^ys " 

5,556 752 

18,058 768 

10,316 517 

5,993 b95

-

Minimum

593 

436 

219 

143

-

a Ho gage-height record; discharge computed on basis of records for nearby s

Mean

694 

583 

344 

261

-

Runoff In 

acre-feet

11^020 

35,820 

?0.460 

11,890

79.190

tre<uns.
PUYALLUP RIVER BASIN 83

Puyallup River near Orting, Wash.

Location.- Water-stage recorder, lat. 47°02 I 30", long. 122°12'20", in SW£ sec. 17, T. 18 

N., R. 5 E., 4 miles south of Orting and ?|- miles upstream from Carbon Rivsr. Auxiliary water-stage recorder 200 feet upstream and on opposite bank used Dec. 16-31.

Drainage area.- 170 square miles.

Records available.- September 1931 to September 1947.

Average discharge.- 16 years, 684 second-feet.

Extremes.- Maximum discharge during year, 11 200 second-feat Dec. 11 (gage height. 7.87 

reet); minimum, 71 second-feet (regulated) Oct. 16, 17 (gage height, 1.90 feet); minimum daily, 165 second-feet (regulated) Oct. 18.

1931-47: Maximum discharge not determined {occurred Dec. 9 or 10, 1933, when waterstage recorder was not operating); minimum, 53 second-feet (regulated) Mar. 16, 1941; 

minimum daily, 123 second-feet (regulated) Dec. 4, 1936.

Remarks.- Records good except those for periods of shifting-control, which are fair, and 

those for periods of no gage-height record, which are poor. Water diverted for Electron plant of Puget Sound Power & Light Co. returned to river above gage. Some regulation by Electron power plant.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

305 

246 

210 

248 

263

228 

254 

254 

223 

206

201 

209 

200 

198 

188

174 

172 

165 

180 

670

606 

494 

520 

1,680 

5,010

2,180 

1,170 

770 

654 

670 

570

Nov.

60S 

499 

446 

433 

396

414 

420 

366 

332 

426

372 

338 

310 

290 

275

242 

570 

4,240 

2,380 

1,320

885 

2,220 

,860 

,400 

,080

,250 

,650 

,350 

,030 

831

Dec.

678 

654 

615 

822 

1,290

1,040 

804 

751 

813 

1,980

8,200 

4,380 

5,530 

5,160 

4,590

2,570 

1,750 

1,310 

1,100 

929

831 

775 

700 

642 

599

586 

580 

504 

482 

450 

440

Jan.

372 

349 

327 

305 

338

36S 

316 

300 

295 

585

592 

513 

433 

354 

384

446 

420 

466 

840 

615

718 

822 

2,790 

4,380 

4,380

2,970 

1,790 

1,290 

952 

803 

677

Month

Octo 

Hove 

Dece

Ca

Janu 

Febr 

liarc 

Apri 

May 

June 

July 

taiga 

Sept

Wa

lendar year 194 

ary

1 .........................

ember .....................

ter year 1945 47- .........

Feb.

844 

1,790 

1,130 

888 

768

698 

657 

606 

565 

553

632 

880 

1,120 

1,380 

1,160

936 

810 

698 

619 

571

547 

52O 

504 

488 

461

4-27 

410 

397

Secondfoot-days

19,123 

28,223

51,565

308,437

30,188 

21,049 

15,539 

21,043 

20,939 

21,444 

18,404 

12,699 

13,337

271,553

Mar.

382 

384 

442 

479 

435

406 

399 

412 

408 

483

582 

522 

498 

505 

524

565 

619 

619 

594 

559

582 

a 705 

a590 

542 

495

464 

434 

416 

418 

518 

558

Maximum

5, OK 

4,24C 

8,20C

8.20C

4.38C 

1,79C 

705 

1,29C 

904 

1,04C 

70E 

482 

751

8.20C

Apr.

a550 

a520 

a500 

a490 

a500

a520 

a510 

a570 

574 

662

654 

605 

630 

684 

740

747 

810 

1,020 

1,290 

1,240

968 

810 

719 

657 

612

606 

677 

733 

768 

677

May

664 

896 

817 

733 

357

719 

824 

740 

852 

719

612

583 

547 

509 

493

470 

488 

461 

515 

565

625

632 

612 

733 

754

880 

904 

859 

754 

698 

635

Minimum

165 

242 

440

165

295 

397 

382 

490 

461 

536 

418 

316 

338

165

June

625 

619 

553 

547 

553

638 

670 

952 

1,040 

992

754 

638 

606 

582 

536

895 

1,030 

796 

698 

651

571 

536 

565 

SOO 

644

760 

992 

976 

761 

664

Mean

617 

941 

1,663

845

974 

752 

501 

701 

675 

715 

529 

410 

445

744

July

657 

705 

619 

553 

553

542 

498 

479 

504

525

498 

582 

632 

625 

588

536

547 

644 

588 

536

498 

475 

447 

431 

418

422 

418 

552 

458 

430 

444

Per 

square 

mile

3.63 

5.54 

9.78

4.97

5.73 

4.43 

2.95 

4.12 

3.97 

4.21 

3.11 

2.41 

2.62

4.38

Aug.

434 

440 

477 

479 

455

420 

422 

421 

389 

362

366 

390 

408 

434 

461

466 

441 

432 

409 

356

346 

328 

316 

329 

355

392 

409 

414 

440 

482 

426

Sept.

417 

442 

393 

458 

404

374 

503 

703 

751 

610

490 

447 

418 

372 

376

434 

462 

394 

356 

338

374 

424 

440 

413 

412

392 

404 

442 

434 

410

Runoff

Inches

4.18 

6.17 

11.28

67.47

6.60 

4.60 

3.40 

4.60 

4.58 

4.69 

3.59 

2.78 

2.92

59.39

Ao re-feet

37,930 

55,980 

102 , 300

611,800

59,880 

41,750 

30,830 

41,740 

41,530 

42,530 

32,540 

25,190 

26,450

538,600

Peak discharge.- Oct. 25 (ll a.m.) 7.O40 sec. -ft.; Bov. 18 (2 p.m.) 7,040 seo.-ft.; Dec. 11 (8:30

a.m.) 11,200 sec.-ft.; Jan. 25 (11:30 p.m.) 5,790 sec.-ft.

a Ho r.age-height record; discharge computed on basis of 1 discharge measurement, recorded range 

in stage,and records for station near Electron.
84 PUYALLOT RIVER BASIN

Puyallup River at Alderton, Wash.

Location.- Water-stage recorder, lat. 4?°11'05", long. 122 0 13'45", on line between sec. 

25, T. 20 N., R. 4 E., and sec. 30, T. 20 N., R. 5 E., at county bridge No. 78 on State 

Highway 5E, 1 mile north of Alderton, 1 mile south of Sumner, and lj miles upstream 

from Stuck River.

Drainage area.- 438 square miles.

Records available.- October 1914 to February 1927, October 1943 to September 1947.

Average discharge.- 16 years (1914-26, 1943-47), 1,544 second-feet.

Extremes.- Maximum discharge during year, 22,600 second-feet Dec. 11 (gag? height, 56.80 

feet); minimum, 309 second-feet (regulated) Oct. 17, 18 (gage height, 47.70 feet).

1914-27, 1943-47: Maximum discharge, that of Dec. 11, 1946; minimum observed, 228 

second-feet (regulated) Sept. 22, 1924.

Remarks.- Records good except those for periods of shifting control and no gage-height 

record, which are fair. Water diverted for Electron power plant of Puget Sound Power 

& Light Co. and returned to river above gage. Some regulation by Electron power 

plant.

Discharge, in second feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

586 

512 

450 

458 

620

504 

512 

568 

504 

465

435 

450 

435 

458 

420

412 

384 

384 

391 

1,150

1,720 

1,260 

1,260 

3,860 

8,340

4,400 

2,430 

1,700 

1,450 

1,440 

1,290

Nov.

1,460 

1,190 

1,060 

1,030 

952

1,030 

1,120 

974 

910 

1,130

1,040 

920 

850 

792 

754

681 

939 

4,850 

5,620 

3,190

2,280 

3,550 

4,540 

3,550 

2,920

3,280 

3,550 

3,280 

2,760 

2,350

Dec.

2,050 

1,910 

1,770 

2,050 

2,920

2,840 

2,350 

2,350 

2,350 

3,960

16,600 

12,400 

12,400 

10,900 

9,740

5,860 

4,230 

3,280 

2,760 

2,510

2,200 

2,050 

1,770 

1,590 

1,470

1,450 

1,500 

1,290 

1,220 

1,130 

1,110

Jan

1 

1

1

1

1 

1 

1

1

1

1 

1 

2 

1

1

2 

5 

8 

7

7 

4

3

2, 

2,

1

Month

Octo 

Nove 

Dece

Ca

Janu 

Febi 

Hare 

Apr! 

Hay 

June 

July 

Angu 

Sept

Wa

nber ......................

lendar year 1946 .........

ary

h .........................

at ........................

ember .....................

ter year 1946 47 ..........

Peak discharge.- Oct. 25 (Z D

[2:30 a.m.) 

Note.- No

charge measu

110 

010 

950 

950 

950

160 

985 

930 

890 

450

350 

200 

050 

900 

000

150 

100 

200 

000 

500

700 

050 

420 

090 

570

310 

540 

280 

590 

050 

770

Feb.

2,200 

4,540 

3,190 

2,510 

2,050

1,910 

1,700 

1,610 

1,490 

1,470

1,560 

2,050 

2,510 

3,010 

2,760

2,280 

1,910 

1,700 

1,510 

1,390

1,310 

1,250 

1,210 

1,140 

1,110

1,030 

974 

952

Secondfoot-days

39,248 

62,552

122,010

740,360

69,205 

52,326 

38,731 

52,150 

48,630 

50,570 

36,770 

22,350 

24,177

618,719

Mar.

910 

920 

1,010 

1,220 

1,070

974 

963 

1,040 

1,020 

1,200

1,550 

1,400

1,290 

1,260 

1,370

1,450 

1,560 

1,580 

1,450 

1,350

1,340 

1,840 

1,580 

1,340 

1,210

1,150 

1,060 

1,010 

974 

1,210 

1,430

Maximum

8,340 

5,620 

16,600

16,600

8,090 

4,540 

1,840 

3,500 

2,100 

2,840 

1,640 

952 

1,450

16,600

Apr.

1,410 

1,500 

1,380 

1,320 

1,310

1,320 

1,230 

1,270 

1,540 

1,590

1,770 

1,600 

1,580 

1,700 

1,550

1,840 

1,840 

2,400 

3,500 

3,250

2,500 

2,000 

1,800 

1,550 

1,350

1,350 

1,500 

1,700 

1,900 

1,600

May

1,500 

2,100 

1,800 

1,600 

1,500

1,630 

1,840 

1,700 

1,980 

1,840

1,510 

1,540 

1,330 

1,230 

1,190

1,130 

1,140 

1,120 

1,250 

1,410

1,460 

1,500 

1,410 

1,550 

1,770

1,910 

2,050 

1,910 

1,700 

1,590 

1,440

Minimum

384 

681 

1,110'

384

890 

952 

910 

1,230 

1,120 

1,170 

870 

480 

585

384

June

1,460 

1,410 

1,290 

1,290 

1,280

1,490 

1,550 

2,120 

2,350 

2,350

1,770 

1,470 

1,370

1,320 

1,170

1,700 

2,350 

1,840 

1,700 

1,560

1,350 

1,370 

1,290 

1,350 

1,410

1,700 

2,840 

2,670 

2,050 

1,700

Mean

1,266

2,085 

3,936

2,028

2,232 

1,869 

1,249 

1,738 

1,569 

1,686 

1,186 

721 

806

1,695

.m.) 11,500 sec. -ft.; Dec. 11 (4:30 p.m.)

July

1,590 

1,640 

1,550 

1,370 

1,330

1,340 

1,220 

1,150 

1,150 

1,190

1,150 

1,230 

1,220 

1,370 

1,320

1,200 

1,170 

1,330 

1,230 

1,200

1,110 

1,0*0 

930 

910 

830

870 

830 

1,140 

1,010 

910 

900

Per 

square 

mile

2.89

4.76 

8.89

4.63

5.10 

4.27 

2.85 

3.97 

3.58 

3.85 

2.71 

1.65 

1.84

3.87

Aug.

850 

870 

940 

952 

910

820 820' 

802 

764 

672

654 

672 

690 

717 

773

830 

773 

735 

663 

586

560 

520 

504 

480 

520

628 

663 

672 

708 

820 

782

Sept.

690 

717 

645 

708 

672

585 

782 

1,310 

1,450 

1,410

963 

830 

764 

690 

636

764 

890 

792 

654 

611

628 

717 

754 

773 

811

744 

764 

820 

830 

773

Runoff

Inches

3.33 

5:31 

10.36

62.87

5.88 

4.44 

3.29 

4.43 

4.13 

4.29 

3.12 

1.90 

2.05

52.53

Acre-feet

77,850 

124,100 

242,000

1,469,000

137,300 

103,800 

76,820 

103,400 

96,460 

100,300 

72,930 

44,330 

47,950

1,227,000

22,600 s?c.-ft.; Jan. 26

9,740 sec. -ft. 

gage-height record Jan. 11-21, Apr. 18 to May 5; discharge computed on basis of 2 disrements, recorded range in stage, and records for station near Orting. Shifting-control
PUYALLUP RIVER BASIN 85

Puyallup River at Puyallup, Wash.

Location.- Water-stage recorder, lat. 47°1?'20", long. 122°19'30", in NE£ sec. 20, T. 20

 (I. , K. 'IE., 1 mile northwest of Puyallup and 7 miles upstream from mouth. Datum of

gage is at mean sea level, datum of 1929. 

Drainage a:*ea.- 948 square miles. 

Kecoras aw [liable.- May 1914 to September 1947.

Average gfrichargeT- 33 years, 3,193 second-feet (adjusted for storage since October 1934). 

Extremes.- Maximum discharge during year, 33,800 second-feet Dec. 11 (gage height, 25.78

 1'eet); Minimum, 735 second-feet (regulated) Oct. 14 (gage height, 9.00 feet).

1914-47: Maximum discharge, 57,000 second-feet Dec. 10, 1933 (gage height, 31.0 

feet, p-esent datum); minimum, probably less than 350 second-feet (regulated) Nov. 24, 

28, Dec 1, 3-5, 1989. J . .

Remarks.- Records good except those for periods of faulty or no gage-hsight record, which

 are poo1 '. All diverted water returned to river above gage. Large part of flow of

White R .ver diverted into Lake Tapps returned via Stuck River above this station. Records of daily discharge not adjusted for change in contents of Mud Mountain Reservoir 

or Lake Tapps. Lake Tapps, lat. 47°14'20", long. 122°11'30", in sec. 8, T. 20 N., R. 

5 E., completed in 1912, has usable capacity of 50,400 acre-feet between elevations 

505 and 541 feet. Flood water regulated by Mud Mountain Reservoir on White River. 

Some pondage on tributaries and upper Puyallup River.

Cooperation.- Records of change in contents in Mud Mountain Reservoir furnished by Corps

 of Engiileers, and in Lake Tapps by Puget Sound Power & Light Co.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25 

26

27 

28 

29 

30 

31

Oot.

1,190 

1,260 

1,320 

1,210 

1,040

902 

1,230 

1,230 

1,210 

1,250

1.2EO 

902 

848 

1,160 

1,120

1,270 

1,240 

1,410 

928 

1,250

2,430 

1,570 

1,720 

3,410 

10,100

7,510 

4,890 

2,970 

2,670 

3,240 

2,670

Nov.

2,600 

2,210 

1,940 

1,760 

2,120

2,200 

2,290 

2,220 

1,880 

1,950

1,950 

1,870 

1.800 

1,940 

1,730

1,430 

1,560 

7,730 

9,940 

6,250

4,400 

5,490 

6,390 

5,800 

5,310

5,790 

3,790 

7,120 

5,240 

4,520

Month

Ooto 

Nova 

Deoe

Cal

Janu 

Febr 

Maro 

Apri 

Hay.

June 

July 

Augu 

Sept

Wat

endar yet r 1946

st ..............

er year 3946-47

Dec.

4,110 

3,540 

3,370 

3,770 

5,050

4,720 

4,300 

4,120 

3,960 

5,740

22,400 

26 , 300 

25,300 

23,500 

21,400

12,300 

8,510 

6,200 

4,710 

4,210

3,520 

3,800 

3,440 

3,690 

3,310

3,180 

3,230 

3,000 

3,000 

2,750 

2,780

Jan.

2,400 

2,370 

2,300 

2,140 

1,980

2,390 

2,180 

2,250 

2,090 

2,800

3,340 

3,170 

2,740 

2,500 

2,330

2,250 

1,980 

2,190 

3,850 

3,070

3,240 

3,530 

7,660 

13,800 

13,800

15,300 

9,390 

6,270 

5,100 

4,540 

3,790

Feb.

4,000 

6,980 

5,820 

4,750 

4,220

4,050 

3,920 

3,820 

3,790 

3,490

3,560 

4,040 

4,870 

5,490 

5,720

5,450 

4,760 

4,290 

3,720 

3,580

3,380 

3,360 

3,450 

3,110 

2,990

2,920 

2,780 

2,780

Mar.

2,610 

2,370 

2,880 

3,240 

2,810

2,850 

2,820 

2,810 

2,450 

3,290

3,540 

3,320 

2,990 

2,940 

2,860

2,740 

3,570 

3,840 

3,870 

3,680

3,720 

4,160 

3,940 

3,880 

3,080

3,010 

2,860 

2,840 

2,620 

2,950 

3,260

Observed

Discharge in 

seoond-feet

Maximum

10,100 

9,940 

26,300

26,300

15,300 

6,980 

4,160 

7,270 

5,930 

5,050 

3,520 

2,040 

2,780

26,300

Minimum

848 

1,430

2,750

848

1,980 

2,780 

2,370 

2,930 

2,850 

2,500 

1,320 

972 

1,050

848

Mean

2,141 

3,807 

7,523

4,099

4,411 

4,110 

3,156 

3,903 

3,962 

3,808 

2,479 

1,505 

1,642

3,535

Runoff 

in 

acre-feet

131,700 

226,600 

462,600

2,970,000

271,200 

228,300 

194,100 

232,200 

243,600 

226,600 

152,400 

92,510 

97,690

2,560,000

Apr.

3,060 

3,360 

3,240 

3,370 

3,410

3,270 

2,970 

3,060 

3,450 

3,600

3,720 

3,610 

3,410 

3,490 

3,860

3,970 

4,120 

5,310 

6,300 

7,270

5,460 

4,700 

4,040 

3,510 

2,980

2,930 

3,390 

3,860 

4,240 

4,120

May

3,830 

4,300 

4,520 

4,140 

4,030

4,120 

4,620 

4,590 

4,810 

4,720

3,830 

3,510 

3,450 

3,190 

3,070

2,950 

3,120 

3,120 

2,850 

2,910

3,820 

3,400 

3,340 

3,800 

3,920

5,000 

5,840 

5,930 

5,330 

3,550 

3,210

Change In

Lake Tapps 

and 

Mud Mountain 

Reservoir 

(acre-feet)

+3,040 

+170 

-150

+960

-950 

-1,710 

+1,120 

+1,340 

-1,480 

+420 

+718 

+465 

-1,310

+1,680

June

3,020 

3,520 

3,570 

3,550 

3,680

3,740 

3,780 

4,270 

4,690 

4,680

4,710 

4,650 

4,480 

3,040 

2,500

3,030 

4,100 

f3,960 

f3,830 

3,820

3,540 

3,120 

2,920 

3,210 

3,450

3,780 

5,050 

4,970 

4,090 

3,480

July

3,260 

3,450 

3,520 

2,680 

3,020

2,640 

2,770 

2, '780 

2,640 

2,800

2,670 

2,300 

2,190 

2,750 

2,760

2,500 

2,510 

2,680 

2,640 

2,120

2,480 

2,320 

2,180 

2,100 

2,050

1,500 

1,320 

2,170 

2,160 

1,960 

1,920

A 1(5 .

1,850 

1,440 

1,730 

2,040 

1,940

1,840 

1,880 

1,820 

1,200 

1,020

1,560 

1,570 

1,600 

1,600 

1,730

1,360 

1,130 

1,700 

1,730 

1,600

1,390 

1,270 

1,120

972 

1,330

1,350 

1,350 

1,300 

1,440 

1,530 

1,250

Sept.

1,350 

1,600 

1,780 

1,970 

1,800

1,220 

1,150 

2,200 

2,560 

2,780

2,020 

1,890 

1,480 

1,100 

1,490

1,780 

1,750 

1,640 

1,460 

1,180

1,050 

1,440 

1,530 

1,720 

1,680

1,530 

1,470 

1,200 

1,780 

1,650

Adjusted for change In 

reservoir contents

Runoff 

in 

acre-feet

134,700 

226,800 

462,400

2,969,000

270,200 

226,600 

195,200 

233,500 

242,100 

 227,000 

153,100 

92,980 

96,380

2,561,000

Discharrs in 

seoond-feet

Mean

2,191 

3,810 

7,520

4,101

4,394 

4,080 

3,175 

3,924 

3,937 

3,815 

2,490 

1,512 

1,620

3,537

Peak disohaaea.- Oct. 25 (5:30 p.m.) 14,400 sac. -ft.; Dec. 11 (7:30 p.m.) 33,800 sec.

Per 

r<iuare 

mile

2.31 

4.02 

7.93

4.33

4.64 

4.30 

3.35 

4.14 

4.15 

4.02 

2.63 

1.59 

1.71

3.73

Runoff

inches

2.66 

4.49 

9.15

58.72

5.34 

4.48 

3.86 

4.62 

4.79 

4.49 

3.03 

1.84 

1.91

50.66

-ft.; Jan. 26

(12:30 a.m.) 37,300 sec. -ft.

f Computed en basis of partly estimated gage-height record.
86 PUYALLUP RIVER BASIN

Kapowsin Creek near Kapowsin, Wash.

Location.- Water-stage recorder, lat. 46°59'45", long. 122°11'45", in NE£ sec. 5, T. 17

 N., R. 5 E., half a mile downstream from Kapowsin Lake and lj miles east of Kapowsin. 

Datum of gage is 561 feet above mean sea level (from stadia traverse)

Drainage area.- 23 square miles.

Records available.- June 1927 to October 1932, October 1941 to September 1947.

Average discharge.- 11 years, 45.2 second-feet.

Extremes.- Maximum discharge during year, 605 second-feet Dec. 12 (gage height, 5.69 feet);

 minimum, 3.0 second-feet Sept. 1, 2.

1927-32, 1941-47: Maximum discharge, that of Dec. 12, 1946; minimum, 1.2 secondfeet July 30 to Aug. 3, 1945.

Remarks.- Records good except those for period of shifting control, which are fair.

 Natural regulation in Kapowsin Lake. No diversion.

Rating table, water year-1946-47, except period of shifting control 

(gage height, in feet, and discharge, in second-feet)

1.8 3.0 2.7 61 4.5 357 

1.9 5.0 3.0 100 5.0 458 

2.1 10.5 3.3 143 5.6 584 

2.3 21 3.6 190 

2.5 39 4.0 26O

Discharge, in second-f eet . water year October 1946 to September 1947

Day

1 

2 

3

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29

30 

31

Oct.

12 

11.5 

11.5

12 

12

12.5 

13.5 

14 

14 

13.5

13

12.5 

12.5 

12 

12

12 

11.5 

11.5 

12 

15.5

20 

24 

26 

28 

37

63 

76 

68 

65 

69 

72

Nov.

76 

73 

63 

58 

52

49 

48 

47 

41 

43

46 

44 

43 

40 

37

35 

39 

182 

317 

242

171 

161 

195 

180 

155

143 

131 

118 

114 

110

Dec.

97 

89 

81 

90 

140

158 

140 

130 

131 

168

349 

574 

521 

448 

468

377 

279 

205 

160 

134

117 

104 

93 

82

76

71 

71 

68 

63 

58 

56

Jan.

53 

51 

46 

44 

42

44 

44 

42 

41 

50

63 

69 

66 

60 

53

50 

48 

51 

87 

103

100 

104 

144 

209 

270

327 

270 

202 

156 

132 

111

Feb.

114 

187 

187 

148 

125

110 

97 

86 

80 

76

72 

71 

71

72 

69

65 

61 

58 

52 

49

47 

44 

42 

40 

37

36 

34 

33

Month SecondMontn foot-days

Ooto 

Nove 

Dece

Ca

Janu 

Febr 

Maro 

Apr! 

May 

June 

July 

Augu 

Sept

Wa

lendar year 1946 

ary

799

,053 

,598

25,943.1

3

h ......................... i

st ........................

ember .....................

,132 

,163 

,379 

,920 

675.5 

612.5 

393.8 

148.8 

145.1

ter year 1946-47 .......... 20,019.7

Peak discharge. -

479 sec. -ft.; Jan. 

Note.- Shlftlng-c

Mar.

32

32 

36 

43 

44

43 

43 

46 

47 

50

59

62 

62 

58 

54

51 

47 

44 

41 

39

39 

41 

41 

40 

40

39 

37

36 

36 

46 

51

Maximum

76 

317 

574

574

327 

187 

62 

92 

38 

25 

24 

7.9 

5.8

574

Apr.

58 

63 

63

62 

62

62 

60 

65 

71 

80

92 

86 

77 

69 

62

61 

57 

57 

69 

89

82 

73 

65 

59 

53

50 

47 

43 

43 

40

May

38 

36 

33 

32 

30

28 

25 

24 

24 

24

23 

23 

21 

21 

21

21 

19 

18 

18 

17.5

17.5 

16 

15.5 

15.5 

16.5

16.5 

18.5 

16.5 

16 

15.5 

15

June

15.5 

14.5 

14 

15 

14.5

14.5 

16.5 

20 

24 

24

25 

25 

25 

24 

23

24 

24 

24 

23

23

21 

21 

19 

17.5 

15.5

16.5 

18.5

22 

24 

25

Minimum Mean

11.5 25.8 

35 102 

56 181

5.6 71.1

41 101 

33 77.2 

32 44.5 

40 64.0 

15 21.8 

14 20. 4 

7.6 12.7 

3.4 4.80 

3.0 4.84

3.0 54.8

P 

sqi 

m

July

24 

23 

21 

20

18.5 ie

IT. 5 

16.5 

15.5

1*.5 

13 

11.5 

11.5 

11

10.5 

10 

9.9 

9.5 

9.2

8.5 

8.5 

8.5 

7.9 

7.9

7.9 

7.6 

8.5 

8.5 

8.2 

8.2

Aug.

7.9 

7.9 

7.6 

7.4 

7.1

5.8 

5.6 

5.4 

5.2 

5.0

4.7 

4.5 

4.3 

4.1 

4.1

4.1 

4.3 

5.0 

4.5 

4.1

4.0 

3.8 

3.8 

3.6 

3.6

3.6 

4.0 

3.6 

3.4 

3.4 

3.4

Sept.

3.2 

3.0 

3.2 

3.4 

3.4

3.4 

3.6 

4.5 

5.4 

5.2

5.2 

5.2 

5.4 

5.2 

5.2

5.2 

5.2 

5.0 

5.2 

5.2

5.2 

5.6 

5.6 

5.6 

5.8

5. 3 

5.6 

5.4 

5.2 

5.0

er Runoff

le Inches

1.12 1.29 

4.43 4.94 

7.87 9.05

3.09 41.94

4.39 5.06 

3.36 3.50 

1.93 2.23 

7..7B 3.10 

.948 1.09 

.887 .99 

.552 .64 

.209 .24 

.210 .23

2.38 32.36

Acre-feet

1,580 

6,060 

11,100

51,450

6,21O 

4,290 

2,740 

3,810 

1,340 

1,210 

781 

295 

288

39,70O

Nov. 19 (6 a.m.) 327 sec. -ft.; Dec. 12 (11 a.m.) 6O5 sec. -ft.; Dec. 15 (10 a.m.) 

26 (10 a.m.) 337 sec-ft.; Feb. 2 (6-8 p.m.) 212 sec . -f t . 

ontrol method used Apr. 11 to June 6.
PUYALLUP RIVH? BASIN 87

Carbon River near Fairfax, Wash.

Location.- Water-stage recorder, lat. 47°01'30", long. 122°02'00", in SW£ set. 22, T. 18 

N., R. 6 E., H miles northwest of Fairfax and 12 miles upstream from Voights Creek.

Drainage area.- 81 square miles.

Records available.- March 1929 to September 1947. November 1910 to July 1912 at site 

l£ miles upstream, published as Carbon River at Fairfax.

Average discharge.- 18 years (1929-47), 399 second-feet.

Extremes.- Maximum discharge during year, 5,960 second-feet Dec. 11 (gage height, 6.97 

reet), frorr. rating curve extended above 2,400 second-feet; minimum, 119 second-feet 

Oct. 19 (gage height, 1.05 feet).

1910-1-2, 1929-47: Maximum discharge, 8,030 second-feet Dec. 9, 1933 (gage heignt, 

10.2 feet), from rating curve extended above 500 second-feet; minimum, 40 second-feet 

(estimated) Jan. 20, 1930.

Remarks.- Records good. Diversions by lumber industry returned to river above station. 

No regulation.

Rating tables, water year 1946-47 (gage height, In feet,

and discharge. In second-feet) 

(Shifting-control method used Oct. 25 to Jan. 12)

Oct. 1-24 Oct. 25 to Sept. 3O

l.O HO 2.0 421 1.1 127 2.3 6OO 4.5 

1.2 149 2.3 550 1.3 182 2.6 770 5.O 

1.4 202 2.6 699 1.5 247 3.0 1,030 6.0 

1.7 304 3.1 1,040 1.7 322 3.5 1,410 

2.O 452 4.0 1,860

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24

25

26 

27 

28 

29 

30 

31

Oct.

149 

149 

149 

154 

154

141 

132 

136 

134 

130

128 

128 

126 

126 

123

121 

121 

121 

119 

371

372 

275 

279 

976 

2,970

1,120 

628 

462 

393 

355 

351

Nov.

363 

295 

258 

258 

258

318 

299 

265 

265 

287

244 

223 

216 

213 

207

194 

504 

1,730 

1,030 

682

510 

800 

860 

655 

622

770 

890 

740 

606 

490

Dec.

420 

402 

376 

411 

520

462 

420 

429 

471 

1,110

4,300 

2,320 

2,960 

2,220 

1,540

960 

710 

540 

466 

429

406 

397 

359 

330 

318

322 

302 

269 

247 

233 

223

Jan.

210 

194 

179 

173 

210

201 

173 

170 

179 

402

338 

287 

247 

216 

207

2O7 

201 

294 

342 

295

355

510 

1,680 

1,860 

1,620

1,480 

890 

655 

515 

447 

376

Feb.

457 

740 

535 

443 

397

363 

338 

322 

306 

322

376 

540 

638 

638 

616

525 

452 

397 

355 

318

302 

287 

283 

276 

265

247 

233 

216

u~ ih SecondMonth foot-days

Goto 

Hove 

Deoe

Ca

Jam) 

Febi 

Marc 

Apri 

May 

June 

Julj 

Augt

Sept 

Wa

lendar year 1946 ......

&ry

11,093 

15,052 

24,872

173,633

ember .....................

15,113 

11,187 

9,524 

13,589 

17,132 

17,641 

12,924 

6,835 

7,407

ter year 1946-47 .......... 162.369

Peak discharge. -

(10:30 a.m.) 5,960 

903681 O - 50 - 7

Mar.

207 

210 

240 

240 

207

191 

188 

188 

188 

227

247 

233 

240 

279 

338

411 

466 

457 

420 

402

462 

600 

452 

367 

322

287 

261 

251 

258 

334 

351

Maximum

2,970 

1,730 

4,300

4,300

1,860 

740 

600 

925 

740 

995 

575 

279 

550

4,300

Apr.

342 

322 

295 

283 

276

258 

261 

3O6 

318 

359

326 

330 

402 

481 

545

545 

622 

8OO 

925 

330

611 

505 

438 

411 

384

406 

486 

530 

535 

457

May

462 

682 

650 

565 

520

555 

622 

590 

710 

585

476 

452 

429 

397 

380

376 

393 

393 

481 

525

560 

550 

540 

611 

682

740 

740 

710 

616 

590 

550

Minimum

119 

194 

223

119

170 

216 

188 

258 

376 

406 

283 

145 

173

119

June

550 

510 

481 

466 

481

545 

570 

682 

800 

770

525 

452

466 

447 

4O6

635 

740 

644 

595 

535

462 

447 

466 

520 

555

769 

995 

860 

682 

585

Mean

358 

5O2 

802

476

488 

400 

307 

453 

553 

588 

417 

220 

247

445

3ct. 25 (8 a.m.) 4,480 sec. -ft.; Nov. 18 (12:3O p.m.) 

sec. -ft.; Jan. 23 (5:30 p.m.) 2,320 sec .-ft.; Jan. 25

2,380 

2,960 

4,330

1947

July

560 

575 

545 

495 

500

476 

447 

420 

415 

420

420 

443 

462 

466 

466

438 

415 

438 

457 

452

424 

380 

359 

330 

306

287 

283 

314 

330 

310 

291

Per 

square 

mile

4.42 

6.20 

9.90

5.88

6.02 

4.94 

3.79 

5.59 

6.83 

7.26 

5.15 

2.72 

3.05

5.49

Aug.

276 

269 

272 

272 

272

254 

261 

244 

227 

201

207 

216 

223 

230 

247

269 

237 

227 

194 

179

170 

159 

150 

145 

148

165 

185 

207 

220 

279 

230

Sept.

207 

207 

198 

207 

198

182 

239 

424 

550 

429

299 

251 

230 

201 

185

247 

295 

247 

210 

198

191 

173 

227 

244 

237

213 

207 

244 

244 

223

Runoff

Inctes Acre-feet

5.09 22,OOO 

6.91 29,860 

11.42 49,330

79.72 344,400

6.94 29,980 

5.14 22,190 

4.37 18,890 

6.24 26,950 

7.87 33,980 

8.10 34,990 

5.93 25,630 

3.14 13,560 

3.40 14,690

74.55 322,000

2,490 sec. -ft.; Dec. 11 

(9:30 p.m.) 2,010 sec. -ft.
88 PUYALLUP RIVER BASIN

White River at Greenwater, Wash.

Location.- Water-stage recorder, lat. 47°08'50", long. 121°38 I 50", in SE^ sec. 10, T. 19 

U.K. 9 E., three-quarters of a mile southeast of Greenwater, three-quarters of a 

mile upstream from Greenwater River, and 25 miles upstream from Buckley.

Drainage area.- 216 square miles.

Records available.- March 1929 to September 1947. September 1911 to May 1912 (fragmentary) at site 2 miles upstream, published as White River near Enumclaw.

Average discharge.- 18 yearc (1929-47), 787 second-feet.

Extremes.- Maximum discharge during year, 7,460 second-feet Dec. 11 (gage height, 6.98 

feet); minimum, D67 second-feet Oct. 18, 19 (gage height, 2.04 feet).

1911-12, 1929-47: Maximum discharge, 12,100 second-feet Dec. 21, 1933 (gage 

height, 9.38 feet); minimum, 120 second-feet Nov. 2, 1935 (gage height, 1.69 feet).

Remarks.- Records good. No diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 1917

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

370 

335 

321 

345 

340

316 

330 

321

312 

299

291 

299 

295 

203 

291

275 

271 

271 

283 

552

530 

460 

466 

938 

1,670

1,120 

757 

606 

551 

492 

498

Nov.

504 

442 

425 

413

407

431 

425 

396 

391 

407

375 

265 

354 

354

345

335 

526 

1,150 

1,060 

814

680 

870 

1,270 

1,020 

1,020

1,320 

1,560 

1,460 

1,180 

1,010

Dec.

9£>6 

856 

856 

992 

1,040

1,000 

940 

924 

924 

1,290

5,260 

3,420 

4,980 

3,700 

2,420

1,780 

1,460 

1,320 

1,150 

1,080

1,020 

970 

924 

872 

847

830 

806 

734 

695 

657 

650

Jan.

606 

564 

558 

551 

551

537 

511 

492 

492 

672

621 

592 

551 

492 

479

517 

472 

504 

564 

517

524 

621 

1,360 

2,020 

2,410

2,420 

1,670 

1,320 

1,080 

958 

838

Month

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

Wa

lendar year 194£ 

Eiry

ember .....................

ter year 1946-47 ..........

Feb.

830 

1,170 

983 

872 

806

847 

741 

718 

680 

657

695 

1,080 

1,180 

1,360 

1,360

1,220 

1,120 

1,020 

949 

890

822 

798 

790 

781 

741

726 

687 

650

Secondfoot-days

14 , 508 

21,309 

45,307

362,617

26,064 

25,173 

22,774 

29,129 

47,670 

37,410 

25,996 

17,867 

14,425

327,632

Mar

628 

621 

636 

606 

558

551 

544 

530 

537 

544

558 

544 

551 

614 

680

814 

940 

983 

974 

958

1,020 

1,120 

992 

898 

830

773 

726 

687 

687 

830 

830

Max i nun

1,670 

1,560 

5,260

5,260

2.42O 

1,360 

1,130 

1,410 

2,150 

1,720 

1,020 

749 

614

5,260

Apr.

830 

814 

765 

734 

695

672 

650 

680 

680 

687

672 

672 

734 

864 

1,020

1,080 

1,180 

1,320 

1,410 

1,360

1,220 

1,080 

1,030 

1,000 

1,000

1,070 

1,220 

1,360 

1,360 

1,270

May

1,180 

1,510 

1,560 

1,510 

1,510

1,620 

1,840 

1,840 

1,720 

1,510

1,360 

1,320 

1,270 

1,220 

1,220

1,180 

1,140 

1,130 

1,220 

1,360

1,510 

1,560 

1,560 

1,670 

1,840

1,960 

2,150 

2,080 

1,840 

1,720 

1,560

Minimum

271 

335 

650

271

472 

650 

530 

650 

1,130 

898 

578 

436 

380

271

June

1,510 

1,460 

1,360 

1,320 

1,320

1,360 

1,510 

1,720 

1,620 

1,460

1,220 

1,180 

1,180 

1,180 

1,110

1,320 

1,410 

1,270 

1,160 

1,090

1,000 

1,000 

1,050 

1,120 

1,150

1,220 

1,220 

1,060 

932 

898

Mean

468 

710 

1,462

993

841 

899 

735 

971 

1,538 

1,247 

839 

576 

481

898

July

932 

1,020 

992 

963 

974

966 

898 

881 eg^

89T

864 

881 

898 

933 

881

847 

872 

963 

93? 

89T

830 

790 

741 

68T 

573

672 

628 

687 

643 

681 

687

Per 

square 

mile

2.17 

3.29 

6.77

4.60

3.89 

4.16 

3.40 

4.50 

7.12 

5.77 

3.88 

2.67 

2.23

4.16

Aug.

687 

703 

749 

749 

695

628 

626 

614 

571 

544

544 

558 

571

606 

621

614 

606 

571 

544 

492

485 

460 

436 

466 

498

504 

504 

517 

571 

599 

524

Sept.

530 

544 

504 

511

472

442 

544 

530 

614 

544

485 

479 

448 

419 

454

530 

472 

425 

391 

380

419 

479 

511 

466

472

442 

448 

530 

492 

448

Runoff

Inches

2.50 

3.67 

7.80

62.44

4.49 

4.33 

3.92 

5.02 

8.21 

6.44 

4.48 

3.08 

2.48

56.42

Acre-feet

28,780 

42,270 

89,870

719,200

51,700 

49,930 

45,170 

57,780 

94,550 

74,200 

51,560 

35,440 

28,610

649,900

Peak discharge.- Dec. 11 (1:30 p.m.) 7,460 sec. -ft.; Dec. 13 (4 p.m.) 5,400 sec. -ft. j Jan. 25

(9 p.m.) 3,420 sec. -ft.
PUYALLUP RIVER BASIN gg 

Mud Mountain Reservoir ne=ir Buckley, Wash.

Location.- Staff gage. lat. 47°08', long. 1P1-56', in SE£ sec. 8, T. 19 N., R. 7 E., just 

upstream from Mud Mountain Dam on White River, 4| miles southeast of Buckley, and 6 

miles downstream from Clearwater River.

Records available.- October 1944 to September 1947.

Extremes (regulated).- Maximum contents observed during year. 15,420 acre-feet Dec. 11 

(elevation, 1,U63.6 feet): no pool Oct. 1-15, Nov. 6-18, 21, Sept. 21.

Maximum contents observed since dam was completed, that of Dec. 11, 1946.

Remarks - Gage read once daily about noon, more frequently during floods. Reservoir, for 

riooa control, is formed by earth-fill dam. Embankment completed in 1942. Capacity, 

106,000 acre-feet at spillway crest, elevation, 1,215 feet. Storage is not retained 

but is dissipated as soon after a floo-3 as is possible without creating damaging flows 

downstream in order to have the maximum capacity available for any following flood 

which might develop. Storage began on small scale in 1942.

Cooperation.- Records of reservoir elevations and capacity table furnished by Corps of 

Engineers.

ation, In feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

-

-

-

-

-

-

-

-

-

_

-

-

-

-

931.2

931.0

932.0

(a) w

932.0

950.5

972.5

965.0

983.3

(a)

(a)

975.0

976.8

975. -4

975.0

Nov.

975.7

( a

(a)

974.3

969.0

-

-

-

-

-

_

-

-

-

-

_

-

-

973.0

972.0

_

915 0

942.2

933.0

928.2

972.5

973.9

974.0

964.0

969.0

-

Dec.

969.0

962.4

950.9

952.0

964.3

970.4

970.5

970.5

970.5

978.0

1,044.3

1,055.4

1,047.4

1,049.4

1 , 007 . 0

988.8

973.6

978.0

985.3

984.5

984.0

984.0

983.7

982.8

982.7

982.5

982.6

981.4

980.4

980.0

980.0

Jan.

979.0

978.0

978.0

978.0

978.0

978.0

977.5

977.5

977.0

981.2

981.4

981.0

981.0

980.0

979.5

978.0

978.0

979.0

980.0

980.4

980.1

981.8

991.0

991.5

992.4

994.0

982.2

984.0

985.8

969.3

966.6

Feb.

958.8

979.3

975.8

963.6

935.0

935.0

(a)

937.5

936.5

937.0

936.5

947.5

955.4

963.4

974.5

972.4

957.7

943.3

940.7

9S9.1

939.3

939.0

939.2

938.4

938.3

938.3

938.3

9S7.5

-

-

-

liar.

939.5

938.3

938.7

939.8

934.2

934.3

937.8

938.2

936.0

940.2

949.9

950.2

945.4

947.3

955.5

964.0

963.0

960. S

958.3

954.9

952.6

968.9

968.3

957.8

939.6

936.0

941.0

(a)

937.8

949.7

952.6

Apr.

953.0

956.5

952.3

946.5

941.0

939.1

937.3

943.0

948.4

949.5

948.0

942.4

945.7

953.8

963.3

968.6

971.4

974.6

974.8

975.8

973.6

971.9

969.6

963.6

957.5

955.2

961.9

972.0

972.0

972.0

-

Bay

969.8

973.8

974.9

973.8

973.4

973.8

975.4

976.3

976.2

976.2

973.0

970.3

967.4

962.0

956.3

952.7

951.7

947.5

951.0

972.0

978.6

979.0

979.0

979.3

980.3

980.8

982.0

982.1

977.0

977.0

977.0

June

972.5

971.8

970.0

967.5

962.8

964.8

965.3

974.3

973.7

973.6

969.7

965.8

957.9

954.7

947.7

951.6

969.8

968.9

962.0

958.5

949.6

945.1

947.9

944.2

941.2

947.6

959.8

956.4

941.6

936.5

-

July

941.7

946.0

949.5

941.2

940.8

(a)

935.3

937.5

940.8

940.7

952.0

951.9

952.0

956.6

959.5

947.0

953.8

948.5

949.5

947.0

941.2

937.8

937.6

934.5

934.3

935.0

(a)

947.5

945.5

940.4

941.7

Aug.

936.5

937.5

940.0

943.0

956.9

947.4

(a)

936.5

936.2

936.4

936.5

936.6

937.8

940.7

941.7

941.3

941.2

939.0

935.6

923.5

927.0

936.5

H(a)

939.7

940.0

938.3

940.8 5 a

\ a,

Sept.

(a)

943.0

939.7

944.9

(a)

H (a)

956.9

961.4

956.4

923

923

923

(a)

924.0

938.4

927.3

935.3

920.0

945.0

940.7

929.5

927.5

939.5

935.8

920.3

935.5

927.0

919.0

-

a No gage-height record. 

Note.- No pool Oct. 1-15, Nov. 6-18, 21, Sept. 21: water-surface elevation below 902 feet.

Monthly elevation and contents, water year October 1946 to September 1947

Date

Dec. 31. ...............

Calendar year 1946...

A UE? "*!

Sept. 30. ...............

Water year 1946-47...

Elevation 

(feet)t

975.3

979.5

-

920.0

-

Contents 

(acre-feet)

20

1,830

1,470

2,110

-

1,160

1,570

1,670

346

411

107

-

Change in contents 

during month 

(acre-feet)

+1,810

-360

+640

+ i40

-950

-826

+374

+862

+100

-1,320

-2

+65

-304

+87

t Elevation.at 12 p.m. determined from 1 daily observation.
90 PUTALLUP RIVER BASIN

White River near Buckley, Wash.

Location.- Water-stage recorder, lat. 47°09>05", long. 121°57'00", in SW£w£ sec. 8, T. 

J.y N., R. 7 E. , 0.7 mile upstream from Red Creek, 3 miles east of Buckley, and 8 miles 

downstream from Clearwater River. Datura of gage is at mean sea level, datum of 1929.

Drainage area.- 403 square miles.

Kecoras available.- October 1938 to September 1947. October 1928 to November 1933 at 

site a miles upstrearn.

Average discharge.- 14 years, 1,276 second-feet.

Extremes.- Maximum discharge during year, 12,300 second-feet (regulated) Dec. 11 (elevation, 807.70 feet); minimum, 47 second-feet (regulated) Aug. 5 (elevation, 797.66 

feet); minimum daily, 206 second-feet Oct. 19.

1928-33, 1938-47: Maximum discharge, 17,000 second-feet Feb. 26, 1932 (gage height. 

17.5 feet, site and datum then in use), from rating curve extended above 4,000 secondfeet; minimum, 13 second-feet (regulated) Sept. 15, 1943; minimum elevation, 797.86 

feet (regulated) Feb. 12, 1946; minimum daily, 72 second-feet Oct. 13, 1942.

Maximum stage known, 23.4 feet, from floodmarks, in December 1933 at former site of 

gaging station (discharge, 28,000 second-feet, from rating curve extended above 3,000 

second-feet).

Remarks.- Records good except those for periods of shifting control, which are fair. No 

diversion. Flow regulated by Mud Mountain Reservoir for flood control (see preceding 

page).

Cooperation.- Water-stage recorder inspected by employees of Corps of Engineers.

Rating tables, water year 1946-47, except periods of shifting control 

(gage height, in feet, and discharge, In second-feet)

Oct. 1 to Dec. 10 Dec. 11 to Sept.

798.6 188 799.7 480 801.5 1,380 799.6 487 801.5 1,480 

798.8 230 800.0 585 802.0 1,740 800.0 635 8O2.0 1,860 

799.0 276 800.3 710 802.5 2,160 800.5 860 802.5 2,350 

799.2 330 800.6 850 803.0 2,640 801.0 1.14O 803.0 2,900 

799.4 388 801.0 1,070 804.0 3,860

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24

25

26 

27 

28 

29 

30 

31

Oct.

515 

464 

433 

515 

550

480 

498 

498 

464 

433

472 

498 

480 

518 

603

558 

449 

262 

206 

664

1,160 

825 

1,260 

1,480 

3,770

2,530 

1,480 

1,190 

1,040 

950 

900

Nov.

1.040 

900 

825 

800

1,330

845 

778 

710 

688 

778

732 

710 

688 

665 

645

605 

1,070 

2,550 

2,850 

1,900

1,380 

1,600 

2,440 

2,120 

2,160

2,960 

3,450 

3,320 

2,400 

1,980

Month

Octo 

Nove 

Dece

Cal

Janu 

Febr 

Hare 

Apr! 

May. 

June 

July 

Augu 

Sept

Wat

endar year 1946

ember. ..........

er year 1946-47

Deo.

1,740 

1.66C 

1,520 

1,520 

1,660

1.660 

1,700 

1,700 

1.62C 

2,390

10,100 

11,400 

11,200 

11,200 

8,700

4,700 

3,400 

2,840 

2,250 

2,066

1,970 

1,920 

1,790 

1,710 

1,630

1,630 

1,590

1,440 

1,340 

1,240 

1.20C

Jan.

1,170 

1,080 

1,020 

992 

1,020

1,080 

965 

938 

910 

1,240

1,340 

1,240 

1.140 

1.020 

938

965 

938 

987

1,380 

1,200

1,240 

1,470 

3,790 

5,780 

5,890

6,870 

4,190 

2,620 

2,690 

1,840 

1,790

Feb.

1,710 

2,400 

2,150 

2,100 

1,550

1,440 

1,380 

1,300 

1,200 

1,170

1,200 

1,550 

1,920 

2,100 

2,300

2,250 

2,060 

1,750 

1,550 

1,440

1,340 

1,300 

1,300 

1,270 

1,240

1,170 

1,110 

1,020

Mar.

992 

965 

992 

1,140 

965

885 

885

910 

910 

992

1,140 

1,170 

1,110 

1,140 

1,240

1,440 

1,880 

1,840 

1,840 

1,790

1,750 

1,970 

1,970 

1,840 

1,550

1,380 

1,300 

1,200 

1,170 

1,380 

1,480

Observed

Discharge in 

second-feet

Maximum

3,770 

3,450 

11,400

11,400

6,870 

2,400 

1,970 

2,960 

3,080 

2,350 

1,480 

938 

1,110

11,400

Minimum

206 

605 

1,200

206

910 

1,020 

885 

1,300 

1,460 

1,410 

788 

595 

487

206

Mean

843 

1,497 

3,306

1,795

1,927 

1,581 

1,330 

1,876 

2,325 

1,840 

1,081 

743 

702

1,589

Runoff 

in 

acre-feet

51,860 

89,100 

203,300

1,300,000

118,500 

87,810 

81,750 

111,600 

143,000 

109,500 

66,450 

45,660 

41,780

1,150,000

Apr.

1,520 

1,550 

1,550 

1,480 

1,410

1,380 

1,300 

1,410 

1,520 

1,520

1,550 

1,440 

1,480 

1,630 

1,790

1,920 

2,150 

2,620 

2,840 

2,960

2,500 

2,200 

2,060 

1,970 

1,880

1,880 

1,970 

2,200 

2,400 

2,200

Hay

2,060 

2,250 

2,500 

2,400 

2,350

2,450 

2,780 

2,840 

2,900 

2,500

2,200 

2,100 

2,060 

1,970 

1,880

1,840 

1,790 

1,710 

1,750

1,460

2,150 

2,300 

2,250 

2,400 

2,620

2,840 

3,080 

3,020 

2,780 

2,500 

2,350

Change in

in Mud 

Mountain 

Reservoir 

(acre-feet)

+1,810

-360 

+640

+340

-950 

-826 

+374 

+862 

+100 

-1,320 

-2 

+65 

-304

+87

June

2,200 

2,100 

2,020 

1,970 

1,880

1,920 

1,920 

2,350 

2,300 

2,300

2,020 

1,880 

1,790 

1,750 

1,630

1,630 

1,880 

1,880 

1,790 

1,710

1,590 

1,520 

1,480 

1,590 

1,550

1,670 

1,920 

1,920 

1,630 

1,410

July

1,410 

1,480 

1,440 

1,340 

1,340

1,340 

1,200 

1,140 

1,170 

1,170

989 

1,140 

1,140 

1,110 

1,100

982 

1,200 

1,140 

1,140 

1,080

1,020 

93f 

910

810

78f 

81C

86C 

81C 

835

30 

804.0 4,250 

805. C 5,970 

806.0 8,020 

807.4 11,400

Aug.

788 

810 

835 

835 

666

938 

835 

810 

788 

720

720 

742 

765 

788 

810

810 

788 

765 

742 

675

655 

635 

595 

595 

655

675 

655 

675 

698 

765 

788

Sept.

742 

720 

698 

675 

655

595 

675 

765 

910 

1,110

810 

695 

655 

615 

595

753 

675 

675 

555 

487

619 

683 

720 

675 

698

675 

656 

846 

740 

690

Adjusted for change in 

reservoir contents

Runoff 

in 

acre-feet

53,670 

88,740 

203,900

1,300,000

117,600 

86,980 

82,120 

112,500 

143,100 

108,200 

66,450 

45,720 

41,480

1,150,000

Discharge in 

seo-rad-feet

Mean

£73 

1,491 

3,316

1,796

1,813 

1,566 

1,336 

1,891 

2,327 

1,818 

1.C81 

744 

697

1,589

Per 

square 

mile

2.17 

3.70 

8.23

4.46

4.75 

3.89 

3.32 

4.69 

5.77 

4.51 

2.68 

1.85 

1.73

3.94

Runoff

inches

2.50 

4.13 

9.49

60.50

5.47 

4.05 

3.82 

5.23 

6.66 

5.03 

3.09 

2.13 

1.93

53.53

Note.- Shifting-control method used Oct. 14 to Nov. 1, Jan. 26 to Apr. 22, May 28 to Aug. 6.
PUYALL0P RIVER BASIN 

Stuck River near Sumner, Wash.

91

Location.- Water-stage recorder, lat. 47°15'00" long. 122°14'35", in NE^SWf sec. 1, T. 

20 N". , R. 4 E., 3 miles north of Sumner and 4-f miles upstream from mouth.

Records available.- January 1945 to September 1947.

Extremes (regulated).- Maximum discharge during year, 13,100 second-feet Dec. 14 {gage 

neignt, by.74 feet); minimum, 43 second-feet Oct. 19.

1945-47: Maximum discharge, that of Dee. 14, 1946; minimum, that of Oit. 19, 1946.

Remarks.- Records good except those for periods of no gage-height record or shifting control, which are fair. Water diverted above gage to Lake Tapps for Dieringer power 

plants. High flow regulated by Mud Mountain Reservoir.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

72 

70 

70 

74 

77

72 

70 

68 

68 

63

63 

61 

57 

57 

54

. 52 

50 

48 

46 

59

125 

92 

82 

134 

1,840

2.OOO 

954 

260 

114 

105 

92

Nov.

84 

82 

80 

72 

70

74 

77 

72 

72 

80

77 

72 

68 

61 

54

50 

65 

723 

2,480 

1,130

254 

314 

1,020 

955 

820

1,650 

2,450 

3,150 

1,710 

910

Dec.

730 

559 

458 

446 

775

730 

685 

708 

612 

1,500

7,700 

12,200 

11,700 

11,900 

10,700

5,8OO 

3,540 

1,800 

1,090 

840

672 

605 

506 

345 

605

565 

605 

468 

316 

184 

167

Jan.

156 

141 

127 

111 

111

118 

112 

108 

105 

151

168 

139 

120 

110 

104

103 

102 

126 

212 

148

142 

198 

2,100 

4,750 

5,620

8,160 

5,740 

2,920 

1,810 

1,370 

790

Feb.

940 

2,480 

1,750 

1,250 

5O6

302 

228 

214 

565 

241

228 

266 

815 

1,090 

1,380

1,340 

1,180 

740 

449

276

205 

196 

185 

177 

169

163 

151 

149

Month

Octo 

Wove 

Dece

Ca

Janu 

Febr 

Hare 

Aprl 

Hay.

June 

July 

Augu 

Sept

Wa

her........ .............................

lendar year 194E

ter year 1946-47 .......................

Mar.

146 

149 

158 

175 

159

147 

154

169 

173 

235

248 

203 

184 

173 

188

184 

434 

526 

487 

43O

377 

730 

1,290 

1,020

500

344 

299 

276 

276 

326 

314

Apr.

368 

410 

368 

400 

425

400 

320 

350 

370 

400

400 

380 

350 

350 

400

500 

700 

1,000 

1,200 

1,500

1,000 

800 

600 

530 

500

470 

45O 

500 

600 

800

Secondfoot -days

7,049 

18,776 

79,511

345, 775

36,172 

17,635 

10,474 

16,841 

34,165 

17,855 

3,935 

2,291 

2,055

246,759

May

750 

700 

850 

800 

750

900 

1,250 

1,380 

1,450 

1,120

820 

698 

645 

545 

440

341 

305 

335 

425 

341

1,670 

750 

750

820 

1,010

3,150 

3,400 

3,400 

2,600 

950 

820

Maximum

2,000 

3,150 

12,200

12,200

8,160 

2,480 

1,290 

1,500 

3,400 

2,020 

182 

97 

97

12,200

June

750 

680 

592 

545 

485

455

485 

768 

910 

910

1,990 

2,020 

1,650 

455 

314

268 

410 

485 

440 

374

308 

193 

180 

211 

198

211 

455 

530

378 

205

Minimum

July

46 

50 

167

46

102 

149 

146 

320 

305 

180 

93 

52 

54

46

182 

170 

170 

160 

151

153 

144 

137 

137 

132

123 

130 

135 

130 

146

128 

114 

114 

114 

116

112 

108 

105 

101 

101

93 

103 

116 

112 

97 

101

Aug.

97 

93 

97 

95 

93

84 

72 

f78 

80 

76

72 

72 

63 

63 

70

74 

82 

84 

76 

69

65 

59 

61

56 

52

65 

61 

61 

61 

80 

80

Mean

227 

626 

2,565

947

1,167 

630 

338 

561 

1,102 

595 

127 

73.9 

68.5

676

Sept.

63 

61 

56 

61

56

65 

74 

97 

95 

95

80 

67 

65 

54

65

72 

74 

76 

70

61

54 

65 

65 

63 

65

67 

65 

65 

70 

69

Runoff In 

acre-feet

13,980 

37,240 

157,700

685,800

71,750 

34,980 

20,770 

33,400 

67,770 

35,410 

7,800 

4,540 

4,080

489,400

f Computed on basis of partly estimated gage-height record. 

Mote.- No gage-height record Apr. 4 to May 7; discharge computed on basis of recortfs for nearby 

streams. Shifting-control method used Nov. 19 to Dec. 10, Dec. 14 to Jan. 25.
PUYALLUP RIVER BASIN

Greenwater River at Greenwater, Wash.

Location.- Water-stage recorder, lat. 47°09'15", long. 121°38'00", in NW^-NW^- sec. 11, T. 

19 w., R. 9 E., 1 mile upstream from mouth, 1 mile east of Greenwater, and 17 miles 

east of Buckley.

Drainage area.- 74 square miles.

Records available.- May 1929 to September 1947. September 1911 to August 1912 (fragmentary), published as Greenwater River near Enumclaw.

average discharge.- 18 years (1929-47), 191 second-feet.

Extremes.- Maximum discharge during year, 3,520 second-feet Dec. 11 (gage height, 7.50 

reet]; minimum, 32 second-feet Sept. 27 (gage height, 2.14 feet).

1911-12, 1929-47: Maximum discharge, 4,140 second-feet Dec. 9, 1933 (gage height, 

9.24 feet, site and datum then in use), from rating curve extended above 1,000 secondfeet; minimum, 23 second-feet Oct. 7, 1934 (gage height, 2.06 feet).

Remarks.- Records good except those below 80 second-feet, which are fair, and those for 

periods of no gage-height record, which are poor. No diversion or regulation.

Rating tables, water year 1946-47 (gage height, in feet,

and discharge, in second-feet)

(Shifting-control method used Nov. 28 to Dec. 11, 

Aug. 7 to Sept. 30)

Oct. 1 to Dec. 11 Dec. 11 to Sept. 3O

2.2 36 3.1 215 2.1 34 2.9 160 

2.4 58 3.4 320 2.3 54 3.2 246 

2.6 89 3.8 495 2.5 8O 3.5 36O 

2.8 132 2.7 116 3.8 5O7

Discharge, in second- feet, water year October

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

41 

41 

41 

47

51

46 

47 

47 

43 

42

41 

40 

39 

38 

39

39

38 

38 

40 

74

8fi 

fi? 

69 

147

302

241

1R3 

132 

116 

103 

101

Nov.

109 

93 

87 

84 

82

86 

87 

82 

80

86

80 

75 

74 

72 

71

68 

103 

244 

255 

191

154 

150 

185 

191 

297

414 

414

388 

316 

262

Dec.

231 

2O3 

194 

20O 

222

235 

235 

228 

235 

464

2,550 

1,610 

1,890 

1,660 

1,100

745 

547 

444 

378 

344

319 

311 

292 

277 

264

264 

246

230 

214

203 

200

Jan.

186 

176 

170 

165 

163

155 

146 

144 

139 

158

155 

151 

144 

139 

146

133 

131 

137 

146 

139

144 

182 

401 

663 

79R

948 

612 

449

360 

308 

2fiO

Feb.

256 

304 

270 

246 

233

217 

217 

208 

200 

192

189

206 

236 

289 

331

327 

308 

281

260 

24fi

236 

233 

240 

246 

243

230 

214 

197

Month PSe?°!ld" foot-days

Octo 

Move 

Dece

Ca

Janu 

Febr 

Marc 

Apr! 

May 

June 

July 

Augu 

Sept

Wa

her .......................

mber .....................

lendar year 1946 

ary

st ...... .... . . ... .....

ember ... .................

2,394 

4,880 

16,535

96,194

8,146 

6,855 

8,364 

10,230 

12,649 

7,642 

3,454 

1,801 

1,414

ter year 1946-47 ..... .... 84,364

Mar.

189 

183 

192 

189 

176

168 

160 

158 

158 

165

186

183 

189 

214

260

319

391 

415 

410 

405

415 

459 

415

360 

323

289 

270 

250 

250 

304 

319

Maximum

302 

414 

2,550

2,550

948 

S31 

459 

496 

535 

370 

165 

82 

84

2,550

Apr.

319 

315 

296 

281 

267

250 

243 

243 

240 

243

236 

236 

253 

289 

348

364 

405 

459 

475 

496

449

4OO 

369 

352

331

352 

396 

444 

454 

425

4.2 759 

4.6 1,060 

5.0 1,380 

5.5 1,800

1946 to September

May

400 

415 

444 

439 

444

464 

513 

524 

535 

491

439 

396 

364 

344 

327

323 

315 

304 

311 

327

356 

369 

378 

400 

420

459 

470 

470 

430 

4OO 

378

Minimum

38 

68 

194

38

131

189 

158 

236 

304 

170 

83 

47 

38

38

Peak discharge.- Dec. 11 (l p.m.) 3,520 sec. -ft.) Jan. 25 (12

June

350 

370 

340 

310 

3OO

310 

30O 

320 

340 

47O

360 

310 

280 

260 

220

230

230 

210 

200 

195

190 

188 

183 

176 

170

180 

190 

2OO 

185

175

Mean

77.2 

163 

533

264

263 

245 

270 

341 

408 

255 

111 

58.1 

47.1

231

6.0 

6.5

1947

July

165 

16C 

155 

15C 

145

140 

135 

13C 

125 

120

120 

115 

11C 

10E 

10E

102 

10C 

98 

96 

94

92 

92 

9C 

88 

88

9C 

88 

96 

9C 

84 

83

Per 

square 

mile

1.04 

2.20 

7.20

3.57

3.55 

3.31 

3.65 

4.61 

5.51 

3.45 

1.50 

. .785 

.636

3.12

2,230 

2,660

Aug.

82 

76 

74 

73 

69

66 

64 

63 

64 

63

62 

59 

58 

58 

57

57 

54 

53 

53 

52

52 

50 

50 

49 

49

48 

47 

47 

48 

53 

51

Sept.

48 

46 

45 

45 

45

45 

51 

63 

68 

84

58

50 

47 

46 

46

46 

49 

49 

46 

43

43 

41 

40 

59 

39

38 

38 

39 

39 

38

Runoff

Inches

1.20 

2.45 

8.31

48.35

4.09 

3.45 

4.20 

5.14 

6.36 

3.84 

1.74 

.91 

.71

42.40

Acre-feet

4,750 

9,680 

32,800

190,800

16,160 

13,600 

16,590 

20,290 

25,090 

15,160 

6,850 

3,570 

2,800

167,300

p.m ) 1,100 sec. -ft.

range in stage and records for nearby streams.
PUYALLUP RIVER BASIN 93

Clark Creek at Puyallup, Wash.

Location.- Water-stage recorder, lat. 47°10'30", long. 122°19'00", in NE^SE^ sec. 32, T. 

20 N., R. 4 E. , in Puyallup, a quarter of a mile upstream-from mouth of Erst Branch 

and 3 miles upstream from mouth.

Records available.- February 1946 to September 1947.

Extremes.- Maximum discharge during year, 25 second-feet Jan. 25 (gage height, 1.32 feet); 

minimum, 15 second-feet Jan. 7, 8.

1946-47: Maximum discharge, that of .Tan. 25, 1947; minimum, 10 second-feet Feb. 13, 

14, 1946.

Remarks.- Records good except those for periods of no gage-height record, which are fair. 

No diversion or regulation.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13

14

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

18 

18 

18 

18 

18

18 

18 

18 

18 

18

18 

18 

18 

18 

18

18 

17 

17 

18 

18

18 

18 

18 

18 

17

17 

17 

17 

18 

18 

18

Nov.

18 

18 

18 

18 

18

18 

18 

18 

18 

18

18 

18 

18 

18 

18

18 

18 

18 

18 

18

18 

18 

18 

19 

18

18

18 

17

17 

17

Dec.

17 

17 

17 

18 

19

18 

17 

17 

17 

18

18 

19 

20 

22 

20

18 

18 

18 

18

20

19 

19 

19 

18 

18

18 

17 

16 

17 

17 

17

Jan.

18 

17 

17 

16 

16

16 

15

15 

16 

16

17 

17 

17 

17 

17

17 

17

16 

16 

16

16 

17 

17 

18 

22

19 

19 

19 

19 

19 

19

Feb.

19 

19 

19 

19 

19

19 

18

18 

18 

18

18

18 

18 

18 

18

18 

18 

18 

18 

18

18 

18 

18 

18 

18

18 

18 

17

Month

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Ma PC 

Aprl 

May.

June 

July 

Augu

Sept

Wa

lendar year

ter year 1946-47 .......................

Mar.

17 

17 

17 

17 

17

17 

17 

17 

17 

17

17 

17 

17 

17 

17

17 

17 

17 

17 

17

17 

17 

17 

17

17

17 

17 

17 

17 

17 

17

Apr.

17 

17

17 

17 

17

17 

17 

18 

18 

17

18 

18 

18 

18 

18

18 

18 

18 

18 

18

18 

18 

18 

18 

18

18 

18 

18 

18 

18

Secondfoot-days

552 

538 

561

-

533 

509 

527 

532 

591 

600 

646 

651 

626

6,866

May

18 

18 

18 

19

19

19 

19 

19 

19 

19

19 

19 

19 

19 

19

19 

19 

19 

19 

19

19 

19 

19 

19

19

19 

20 

20 

20 

20 

20

Maximum

18 

19

22

-

22 

19 

17 

18 

20 

20 

21 

21 

21

22

June

20 

20 

20 

20 

20

20 

20 

20 

20 

20

20 

20 

20 

20 

20

20 

20 

20 

20 

20

20 

20

20 

20 

20

20 

20 

20 

20 

20

July

20 

20 

20 

20 

20

21 

21 

21

21

El 

21 

21 

21 

21

21 

21 

21 

21 

21

21 

21 

21 

21 

21

21 

21 

21 

21 

21 

21

Minimum

17 

17

16

-

15 

17 

17 

17 

18 

20 

20 

21 

20

15

Aug.

21 

21

21 

21 

21

21 

21 

21 

21 

21

21 

21 

21 

21 

21

21 

21 

21 

21

2] 

21 

21 

21 

21

21 

21 

21 

21 

21 

21

Mean

17.8 

17.9 

18.1

-

17.2 

18.2 

17.0 

17.7 

19.1 

2C.O 

2C.8 

21.0 

2C.9

18.8

Sept.

21 

21 

21 

21 

21

21 

21 

21 

21 

21

21 

21 

21 

21 

21

21 

21 

20

20 

20

20 

21 

21 

21

21

21 

21 

21 

21 

21

Runoff In 

acre -feet

1,090 

1,070 

1,110

-

1,060 

1,010 

1,050 

1,060 

1,170 

1,190 

1,280 

1,290 

1,240

13,620

Note.- No gage-height record Jan. 17-19, Jan. 27 to Mar. 10, May 6, Sept. 5-14; discharge Interpolated".
DUWAMISH RIVER BASIN

Green River near Lester, Wash.

Location.- Water-stage recorder, lat. 47°12'30", long. 121°33'20", in HEvST.v sec. 20, 1. 

20 N., R. 10 E., 1-j miles downstream from McCain Creek and 3 miles west of Lester.

Drainage area.- 104 square miles.

Records available.- October 1945 to September 1947.

Extremes.- Maximum discharge during year, 9,200 second-feet probably Dec. 11 (gage 

height, 12.7 feet, from high-water mark in well), from rating curve extended above 

2,600 second-feet; minimum, 33 second-feet Oct. 18, 19.

1945-47: Maximum discharge, that of Dec. 11, 1946; minimum, 33 second-feet Sept. 

29, Oct. 18, JL9, 1946.

Remarks.- Records good except those below 100 second-feet, which are fair, and those 

ror periods of no gage-height record, which are poor. Ho diversion or regulation.

Rating tables, water year 1946-47 (gage height, In feet, 

and discharge, In second-feet

Oct. 1 to Dec. 10 Dec. 11 to Sept. 30

3.6 30 4.9 239 3.2 30 4.5 226 7.0 1,580 

3.8 45 5.2 339 3.4 47 4.8 304 7.5 2,050 

4.0 64 5.5 466 3.6 70 5.1 397 8.0 2,550 

4.2 89 6.0 747 3.8 96 5.5 545 9.0 3,660 

4.4 121 6.5 1,120 4.0 126 6.0 805 10.5 5,600 

4.6 161 7.0 1,560 4.2 163 6.5 1,160

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26

27 

28 

29 

30 

31

Oct.

38 

37 

36 

45 

50

41 

42 

43 

39 

37

36 

35 

34 

34 

36

35 

34 

34 

36 

97

127 

88 

157 

375 

1,340

780 

460 

332 

273 

227 

216

Nov.

224 

189

172 

157 

150

155 

155 

144 

140 

150

140 

132 

127 

118 

114

109 

142 

307 

321 

258

219 

197 

192 

20Z 

377

988 

828 

754 

596 

486

Dec.

407 

355 

332 

362 

443

486 

495 

486 

542 

1,300

5,400 

3,600 

4,300 

3,100 

2,200

1,600 

1,200 

940 

760 

640

610 

650 

560 

500 

440

390 

350 

320 

300 

280 

260

Jan.

250 

240 

230 

240 

250

230 

220 

210 

210 

298

282 

268 

250 

226 

217

217 

204 

236 

313

273

296 

359 

800 

2,100 

1,900

1,900 

1,400 

1,000 

728 

594 

494

Month f^

Goto 

Nove 

Deoe

Ca

Janu 

Febr 

Marc 

Apri 

Bay 

June 

July 

Augu 

Sept

Wa

lendar year 1946

nary .

ember .....................

Feb.

456 

558 

505 

445 

407

391 

378 

359 

337 

319

307 

310 

371 

673 

919

812 

706 

618 

545 

490

471 

513 

580 

627 

580

513 

460 

414

ond-

-days

5,194 

8,243 

33,608

70,076

16,435 

14,064 

18,601 

21,473 

14,031 

6,588 

3,775 

1,642 

1,699

ter year 1946-47 ........ . 145,353

Mar.

378 

356 

365 

362 

337

310 

296 

279 

282

325

404 

414 

411 

482 

647

884 

1,080 

1,160 

1,080 

1,040

1,040 

1,200 

975 

739 

603

525 

471 

438 

442 

603 

673

Maximum

1,340 

988 

5,400

5,400

2,100 

919 

1,200 

1,280 

734 

343 

243 

75 

133

5,400

Apr.

679 

632 

571 

521 

475

453 

435 

438 

456

513

525 

494 

554 

728 

919

912 

940 

1,200 

1,280 

1,280

975 

763 

658 

613 

594

642 

781 

864 

844 

734

Hay

627 

663 

663 

613 

594

642 

734 

689 

642 

554

475 

435 

397 

368 

346

356 

353 

346 

375 

387

394 

381 

368 

368 

375

375 

365 

334 

296 

268 

248

June

248 

255 

231 

222 

213

217 

208 

245 

263 

284

273 

250 

233 

215 

202

198 

191 

183 

175 

175

165 

159 

152 

146 

142

169 

248 

343 

310 

273

Minimum Mean

34 168 

109 275 

260 1,084

34 466

204 530 

307 502 

279 600 

435 716 

248 453 

142 220 

76 122 

36 53.0 

36 56.6

34 398

July

243 

217 

202 

185 

175

165 

154 

144 

137 

131

128 

126 

118 

115 

115

109 

102 

100 

96 

93

91 

87 

82 

82 

80

87 

86 

91 

82 

76 

76

Per 

square 

mile

1.52 

2.64 

10.4

4.48

5.10 

4.83 

5.77 

6.88 

4.36 

2.12 

1.17 

.510 

.544

3.83

Aug.

75 

70 

69 

69 

65

63 

62 

59 

64 

60

58 

56 

54 

52 

52

52 

49 

48 

48

46

45 

45 

44 

41 

40

38 

36 

36 

41 

57 

48

Sept.

40 

37 

36 

39 

38

39 

52 

88 

124 

133

92 

76 

66 

60 

56

57 

63 

64 

56 

52

48 

46 

45 

43 

43

42 

42 

42 

41 

39

Runoff

Inches

1.86 

2.95 

12.02

6C.84

£.88 

£.03 

6.65 

7.68 

5.02 

2.36 

1.35 

.59 

.61

52.00

Acre-feet

10,300 

16,350 

66,660

337,400

32,600 

27,900 

36,890 

42,590 

27,830 

13,070 

7,490 

3,260 

3,370

288,300

Note.- No gage-height record Dec. 11 to Jan. 9, Jan 

for station near Palmer.

23-28), discharge computed on basis of records
DUWAMISH RIVER BASIN 95

Green River near Palmer, Wash.

Location.- Water-stage recorder, lat. 47°17'40", long. 121° 49 '20", in SWjNW^ sec. 20, T. 

ai N . , R. 8 E., If miles upstream from diversion dam and intake of Tacoma water-supply 

system, 2-j miles downstream from North Fork, and 4 miles southeast of Palmer. Datum 

of gage is 912.6 feet above mean sea level (river-profile survey).

Drainage area.- 231 square miles.

Records available . - October 1931 to September 1947.

Average discharge.- 16 years, 1,017 second-feet.

Extremes.- Maximum discharge during year, 23,200 second-feet Dec. 11 (gage height, 19.95 

feet); minimum, 126 second-feet Oct. 18, 19.

1931-47: Maximum discharge, that of Dec. 11, 1946; minimum, 81 second-feet Sept. 4, 

5, 1934.

Remarks . - Records excellent except those for periods of shifting control or fragmentary 

gage -height record, which are good. No diversion or regulation.

Rating tables, water year 1946-47, except period of shifting control 

(gage height, In feet, and discharge, in second-feet)

Oct. 1 to Jan. 25 Jan. 26 to Sept. 30

4.1 252 6.2 1,080 1O.O 3,830 4.2 131 6.0 89O 10. 0 3,830 

4.3 309 6.6 1,290 11. O 5.02O 4.6 247 6.5 1,160 11.0 5.02O 

4.6 4O2 7.0 1,51O 12.0 6,41O 5.0 4OO 7.O 1,440 12.1 6,560 

5.0 540 7.5 1,800 14. 0 9,790 5.3 54O 8.O 2,070 

5.4 700 8.0 ?,12O 16.0 13.8OO 5.6 69O 9.0 2,840 

5.8 886 9.0 2,88O 18.0 18,30O

Discharge, in second-feet, water year October 1946 tc September 1947

Day

1 

2 

3 

4 

5

6 

7 

8

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

26

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

139 

f!37 

f!37 

157 

185

155 

153 

153 

147 

141

137 

133 

133 

133 

133

129 

128 

126 

133 

436

544 

405 

604

1,490 

3,400

2,380 

1,460 

1,040 

838 

722 

70O

Nov.

745 

636 

577 

522 

504

522 

522 

504 

486

577

522 

486 

469 

435 

422

.396 

879 

1,740 

1,560 

1,180

935 

838 

814

1,040 

1,710

3,130 

3,130 

2,640 

2,120 

1,740

Dec.

1,460 

1,290 

1,210 

1,320 

1,74O

1,800 

1,800 

1,920 

1,920 

f3,110

f 17, 900 

f8,87O 

11,400 

9,810 

6,300

3,830 

2.8OO 

2,260 

1.92O 

1,680

1,510 

1,560 

1,460 

1,340 

1,260

1,240 

1,180 

1,060 

1,010 

935 

886

Jan.

838 

768 

722 

700 

745

745 

678 

657 

636 

876

935 

886 

838 

768 

678

678 

657 

880 

1,260 

1,060

1,210 

1,620 

4,760 

6,860 

6,500

6,520 

3,630 

2,520 

2,000 

1,680 

1,410

Feb.

1,560 

2,210 

1,800 

1,500 

1,35O

1,240 

1,220 

1,130 

1,080 

1,020

1,020 

1.O50 

1,380 

2,440 

2,600

2,280 

1,930 

1,68O 

1.50O 

1,350

1,300 

1,300 

1,380 

1,410 

1,320

1,240 

1,130 

1,050

ifAA+i* Second 

Mcnth foot-days

Octc 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Apri 

Hay 

June 

July 

Augu 

Sept

Wa

 her ......................

16,708 

31,781 

97,781

lendar year 1946 ......... 480,926

ary

ember .....................

54,715 

41,470 

40,819 

48,660 

27,720 

18,418 

12,369 

5,686 

7,356

ter year 1946-47 .......... 403,483

Mar.

968 

915 

968 

968 

890

840 

815 

790 

840 

1,080

1,30O 

1,240 

1,100 

1,220 

1,380

1,680 

1,930 

2,070 

1,930 

1,860

1,860 

2,210 

1,930 

1,620 

1,380

1.24O 

1,100 

1,020 

995

1,270 

1,410

Maximum

3,4OC

3,130 

17,900

17,900

6,860 

2,60(3 

2,210 

2,760 

1,300 

1,270 

765 

264 

520

17,900

Apr.

1,560 

1,560 

1,410 

1,320 

1,240

1,220 

1,160 

1,220 

1,320 

1,560

1,560 

1,440 

1,440 

1,620 

1,800

1,800 

1.86O 

2,280 

2.76O 

2.76O

2,210 

1,800 

1,560 

1,410 

1,320

1,350 

1,500 

1,560 

1,620 

1,440

May

1

1 

1 

1 

1

1 

1 

1 

1 

1

Minimum

126 

396 

886

126

636 

1,020 

790 

1,160 

530 

422 

281 

154 

157

126

,270 

,270 

,270 

,190 

,130

,190 

,3OO 

,270 

,300 

,130

995 

915 

840 

790 

740

765 

740 

740 

765 

765

765 

740 

715 

715 

715

690 

690 

640 

590 

555 

530

June

510 

540 

505

495 

481

510 

505 

610 

690 

765

740 

69O 

6 SO 

575 

535

590 

59O 

540 

520 

510

490 

476 

454 

445 

422

57O 

79O 

1,270 

1.O8O 

890

Mean

539 

1,059

3,154

1,318

1,765 

1,481 

1,317 

1,622 

894 

614 

399 

183 

245

1,105

July

765 

690 

620 

575 

525

500 

476 

454 

432 

4O9

400 

396 

379 

366 

362

350 

334 

330 

322 

314

314 

307 

3O3 

303 

307

307 

307 

338 

311 

292 

281

Per 

square 

mile

2.33 

4.58 

13.7

5.71

7.64 

6.41 

5.70 

7.02 

3.87 

2.66 

1.73 

.792 

1.06

4.78

Aug.

264 

231 

215 

2O9 

203

200 

194 

194 

191 

191

188 

185 

179

177 

177

174 

171 

171 

168 

165

160

157 

157 

154 

154

157 

157 

154 

157 

241 

191

Sept.

168 

160 

157 

157

157

160 

221 

375 

454 

520

387 

330 

311 

267 

218

292 

322 

330 

296 

250

212 

194 

188 

182 

179

179 

177 

174 

171 

168

Runoff

Inchiis

2.69 

5.12

15.74

77.42

8.81 

6.68 

6.57 

7.83 

4.46 

2.97 

1.99 

.92 

1.18

64. ?6

Acre-feet

33,140 

63,040 

193,900

953, 9OO

1O8.5OO 

82,250 

80,960 

96,520 

54,980 

36,530 

24,530 

11,280 

14,590

800,200

f Fragmentary gage-height record; discharge computed from partly estimated gage heights 

Note.- Shifting-control method used Oct. 1-20.
DUWAMISH RIVER BASIN

Green River near Black Diamond, Wash.

Location.- Water-stage recorder, lat. 47°17'00", long. 122°03'30", In NVl£ ssc. 28, T. 21 

N., K. 6 E., at highway bridge three-quarters of a mile upstream from Newaukum Creek 

and 3 miles southwest of Black Diamond. Datum cf gage is 158.5 feet above mean sea 

level (river-profile survey).

Drainage area.- 286 square miles.

Records available.- October 1939 to September 1947.

Extremes.- Maximum discharge during year, 21,100 second-feet Dec. 11 (gage height, 11.24 

reet); minimum, 98 second-feet Aug. 29 (gage height, 1.74 feet).

1939-47: Maximum discharge, that of Dee. 11, 1946; minimum observed, 56 secondfeet Sept. 25, 26, 1940 (gage height, 1.39 feet).

Remarks.- Records good except those for periods of doubtful or no gage-heiglit record, 

which are fair. City of Tacoma diverts about 85 second-feet from river near Palmer, 

several miles above station, for municipal use. No regulation.

Rating table, water year 1946-47, (gage height, In feet, 

and discharge, in second -feet)

1.7 86 2.0 885 6.0 6,470 

1.9 154 3.5 1,420 7.0 8,990 

2.1 245 4.0 2,090 8.0 11,700 

2.3 257 4.5 2,990 9.5 15,900 

2.6 560 5.0 4,100

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

108 

111 

111 

114

167

150 

132 

139 

132 

124

121 

114 

108 

108 

105

105 

105 

102 

102 

224

651 

428 

532 

1,300 

3,370

2,720 

1,550 

1,110 

914 

789 

706

Nov.

815 

706 

643 

582 

546

552 

568 

539 

510 

590

575 

546 

510 

489 

462

425 

652 

1,870 

1,800 

1,320

1,060 

970 

952 

1,090 

1,550

3,530 

3,530 

3,200 

2,420 

1,940

Dec.

1,640 

1,460 

1,320 

1,400 

1,800

1,940 

1,940 

2,090 

2,090 

3,880

15,800 

9,770 

12,800 

11,400 

7,710

5,030 

3,760 

2,990 

2,510 

2,090

1,940 

1,870 

1,800 

1,740 

1,600

1,520 

1,460 

1,320 

1,260 

1,210 

1,180

Jan.

1,160 

1,120 

1,080 

1,060 

1,010

1,030 

l.OOO 

1,000 

990 

1,060

1,120 

1,090 

1,060 

1,030 

1,020

1,020 

1,030 

1,070 

1,540 

1,280

1,380 

1,630 

4,650 

7,460 

6,960

7,460 

4,560 

3,100 

2,420 

2,020 

1,740

Feb.

1,800 

2,600 

2,170 

1,870 

1,660

1,530 

1,470 

1,410 

1,310 

1,230

1,220

1,260 

1,460 

2,510 

2,990

2,600 

2,250 

1,940 

1,740 

1,550

,490 

,490 

,540 

,580 

,540

,410 

,300 

,200

Month

Octo 

Move 

Dece

Ca

Janu 

Febr 

Marc 

Aprl

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

1,100 

1,060 

1,150 

1,150 

1,020

980 

970 

961 

970 

1,150

1,410 

1,400 

1,280 

1,280 

1,460

1,740 

1,940 

2,090 

2,020 

1,940

1,940 

2,340 

2,090 

1,800 

1,520

1,310 

,190 

,100 

,070 

,290 

,430

Apr.

1

1 

1

1

1

1 

1 

1 

1,

1,

1,

1, 

1, 

1, 

1,

1, 

1, 

2,

3J

2,

1, 

1, 

1, 

1,

1, 

1, 

1, 

1,

1,

Secondfoot-days

16,552 

34,953 

110,320

524,661

65,150 

48,120 

44,151 

51,430 

29,720 

19,192 

11,061 

4,320 

5,677

440,646

Peak discharge.- Dec. 11 (12 m. to 2 p.m.) 21,100 sec.

580 

640 

490 

410 

320

280 

240 

300 

430

660

740 

580 

520 

670 

870

870 

870 

340 

890 

100

420 

940 

670 

500 

410

360 

500 

620 

670 

540

May

1,360 

1,350 

1,360 

1,290 

1,220

1,220 

1,320 

1,310 

1,360 

1,240

1,080 

990 

940 

880 

820

80O 

830 

800 

820 

820

820 

800 

770 

750 

750

740 

720 

700 

660 

620 

580

Maximum

3,370 

3,530 

15,800

15,800

7,460 

2,990 

2,340 

3,100 

1,360 

1,180 

797 

197 

503

15,800

June

580 

600 

590 

560 

530

560 

600 

680 

700 

760

8Q 0 

720 

660 

60tf 

560

600 

650 

580 

550 

524

496 

479 

441 

428 

415

503 

764 

1,180 

1,140 

952

July

797 

706 

651 

582 

539

489 

455 

435 

395 

383

363 

357 

345 

333 

328

304 

287 

266 

261 

250

245 

226 

221 

211 

221

216 

226 

245 

282 

235 

207

Aug.

197 

188 

176 

171 

167

163 

158 

154 

150 

150

150 

147 

136 

132 

132

132 

132 

132 

121 

121

121 

121 

121 

114 

111

111 

105 

102 

102 

136 

167

Minimum Me *n

102 534 

435 1,165 

1,180 3,559

102 1,437

990 2,102 

1,200 1,719 

961 1,424 

1,240 1,714 

580 959 

415 640 

207 357 

102 139 

104 189

102 1,207

-ft.; Dec. 13 (12 p.m.) 13,300 se

Sept.

128 

121 

117 

108 

105

105 

128 

256 

333 

503

357 

272 

221 

188 

171

202

235 

250 

216 

193

176 

163 

154 

147 

136

132 

128 

128 

128

176

Runoff in 

acre-feet

32,830 

69,330 

218,800

1,041,000

129,200 

95,440 

87,570 

102,000 

58,950 

38,070 

21,940 

8,570 

11,260

874,000

c.-ft.;

Jan. 24 (2:30 p.m.) 7,960 sec.-ft.; Jan. 26 (3 a.m.) 8,990 sec.-ft.

Note.- Doubtful gage-height record May 13-31; no gage-height record June 1-19; discharge computed 

on basis of record for station near Auburn.
DUWAMISH RIVER BASIN 97

Green River near Auburn, Wash.

Location.- Water-stage recorder, lat. 47°18 I 15", long. 1S3 8 1S'10", in lot 3, sec. 17, T. 

 ai N., R. 5 E., 1-J miles <?ast of Auburn and 2 miles downstream from Big Soos Creek. 

Datum of gage is at mean sea level, datum of 1929.

Drainage area.- 386 square miles.

Records available.- August 1936 to September 1947.

Average discharge.- 11 years, 1,179 second-feet.

Extremes.- Maximum discharge during year, 22,000 second-feet Dec. 11 (elevation, 68.16 

reet); minimum, 164 second-feet Aug. 27, 28, 29.

1936-47: Maximum discharge, that of Dec. 11, 1046; minimum, 113 secord-feet Sept. 

25, 1940; minimum elevation, 54.21 feet Sept. 1-3, 1945.

Remarks.- Records excellent except those for period of no gage-height record, which are 

good. City of Tacoma diverts about 85 second-feet from river near Palmer, several 

miles above station, for municipal use. No regulation.

Rating tables, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

Oct. 1 to Dec. 11 Dec. 12 to Sept. 30

54.2 178 56.0 1,350 61.0 7,180 54.7 146 56.5 1,420 ei.O 

54.5 282 56.5 1,800 62.0 8,700 55.0 248 57.0 1,920 F2.0 

54.7 372 57.0 2,300 63.0 10,400 55.3 419 58. 0 3,000 eS.O 

55.0 538 58.0 3,390 65.2 14,700 55.6 650 59.0 4,220 fS,2 

55.3 748 59.0 4,580 56.0 970 60.0 5,560 

55.6 998 60.0 5,820

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

216 

212 

209 

212 

243

247 

236 

240 

229 

223

209 

206 

203 

203 

200

197 

194 

190 

197 

266

710 

526 

a600 

al.OOO 

a4,300

a3,600 

a2,600 

al,900 

al , 300 

al , 000 

a840

Nov.

8900 

a780 

a69Q 

617 

570

570 

590 

558 

544 

696

652 

584 

551 

520 

496

467 

582 

2,300 

2,250 

1,620

1,300 

1,300 

1,350 

1,480 

1,860

3,750 

3,860 

3,620 

2,840 

2,350

Dec.

1,950 

1,710 

1,580 

1,760 

2,460

2,510 

2,400 

2,560 

2,510 

3,920

14,700 

12,900 

13,200 

14,700 

9,880

5,730 

4,480 

3,600 

3,000 

2,670

2,450 

2,340 

2,230 

2,070 

2,070

1,920 

1,920 

1,770 

1,670 

1,520 

1,470

Jan,

1,420 

1,380 

1,280 

1,240 

1,240

1,330 

1,200 

1,150 

1,120 

1,330

1,520 

1,470 

1,380 

1,240 

1,150

1,150 

1,130 

1,240 

1,870 

1,670

1,720 

1,970 

4,530 

8,050 

7,650

8,620 

5,280 

3,840 

3,000 

2,620 

2,230

Feb.

2,400 

3,720 

3,120 

2,620 

2,280

2,120 

2,020 

1,920 

1,770 

1,720

1,720 

1,720 

1,920 

3,000 

3,480

3,120 

2,670 

2,400 

2,120 

1,970

1,870 

1,820 

1,820 

1,920 

1,820

1,720 

1,620 

1,520

Month

Ooto 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl 

May.

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

1,420 

1,380 

1,470 

1,570 

1,380

1,280 

1,280 

1,330 

1,330 

1,620

1,870 

1,770 

1,670 

1,620 

1,770

1,970 

2,230 

2,400 

2,340 

2,230

2,180 

2,620 

2,400 

2,180 

1,820

1,670 

1,520 

1,420 

1,380 

1,620 

1,720

Apr.

1

1 

1

2 

1

1 

1 

2

2 

2 

2 

3 

3

2 

2

1 

1

1

1 

1 

1 

1

1

Seeondfoot-days

22,708 

40,237 

129,650

641,344

76,020 

61,920 

54,460 

59,320 

34,638 

22,504 

14,034 

6,311 

7,679

529,481

Peak discharge.- Dec. 11 (7 p.m.) 22,000 sec. -ft.; De

870 

970 

820 

720 

670

620 

570 

620 

770 

920

070 

870 

770 

870 

070

070 

,070 

560 

000 

,360

,720 

,230 

,920 

,770 

,670

,620 

,670 

,820 

,920 

,720

May

1,620 

1,520 

1,570 

1,470 

1,420

1,380 

1,470 

1,470 

1,570 

1,420

1,280 

1,200 

1,110 

1,040 

970

954

970 

938 

962 

970

962 

946 

90S 

882 

882

866 

850 

826 

786 

738 

690

Maximum

4,300 

3,860 

14,700

14,700

8,620 

3,720 

2,620 

3,360 

1,620 

1,280 

938 

263 

539

14,700

June

690 

722 

690 

666 

618

666 

698 

810 

850 

914

930 

858 

778 

722 

658

706 

770 

690 

650 

642

626 

570 

539 

508 

485

570 

858 

1,240 

1,280 

1,100

July

938 

842 

762 

714 

6SO

602 

570 

531 

500 

470

463 

470 

441 

426 

441

400 

374 

354 

348 

343

326 

314 

303 

297 

303

297 

308 

320 

348 

297 

282

7,020 

8,620 

10,400 

14,700

Aug.

263 

253 

248 

244 

240

223 

215 

215

219 

215

215 

211 

207 

200 

200

200 

200 

196 

193 

185

185 

182 

178 

175 

171

171 

168 

168 

171 

200 

200

Minimum Mean

190 733 

467 1,341 

1,470 4,182

190 1,757

1,120 2,452 

1,520 2,211 

1,280 1,757 

1,570 1,977 

690 1,117 

485 750 

282 453 

168 204 

166 256

166 1,451

a. 14 (6 to 7:30 a.m.) 15,800 sec

Sept.

203 

185 

171 

168 

166

168 

189 

292 

393 

539

434 

343 

297 

258 

240

263 

343 

320 

297 

258

240 

252 

219

207 

200

200 

200 

203 

203 

248

Runoff In 

acre-feet

45,040 

79,810 

257,200

1,272,000

150,800 

122,800 

108,000 

117,700 

68,700 

44,640 

27,840 

12,520 

15,250

1,050,000

.-ft.; Jan.

24 (3:30 p.m.) 8,620 sec.-ft.; Jan. 26 (7 p.m.) 9,990 sec.-ft.

a No gage-height record; discharge computed on basis of recorded range in stage and record for 

station near Palmer.
98 DOWAMISH RIVER BASIN

Snow Creek near Lester, Wash.

Location.- Water-stage recorder, lat. 47°15' , long. 121°24', in NW£-NW£ sec. 3, T. 20 N. 

H. HE., a quarter of a mile upstream from mouth and 5j miles northeast of Lester.

Drainage area.- 11.9 square miles.

Records available.- October 1945 to September 1947.

Extremes.- Maximum discharge during year, 988 second-feet Dec. 11 (gage height, 3.89 

reet), from rating curve extended above 160 second-feet; minimum, 4.5 second-feet 

Oct. 17-19.

1945-47: Maximum discharge, that of Dec. 11, 1946; minimum, that of Oct. 17-19, 

1946.

Remarks.- Records fair. No diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 19'7

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23

24 

25

26 

27 

28 

29 

30 

31

Oct.

6.3 

6.3 

6.0 

7.2 

7.2

6.0 

6.3 

6.3 

6.0 

5.8

5.5 

5.5 

5.5 

5.8 

5.5

5.0 

5.0 

4.7 

5.5 

30

20 

15 

47 

132 

394

200 

117 

77 

56 

45 

41

Nov.

41 

35 

32 

30

30

30 

31 

30 

31 

32

30 

27 

26 

25 

24

22 

30 

57 

57 

47

41

38 

35 

36 

140

166 

143 

126 

98 

77

Dec.

63 

63 

51 

54 

63

71 

71 

68 

79 

244

714 

397 

667 

504 

264

164 

120 

94

78 

67

60 

60 

55 

52 

49

47 

43 

40 

36 

34 

33

Jan.

32 

28 

25 

24 

28

26 

24 

22 

22 

42

40 

38 

35 

32 

31

30 

27 

30 

31 

29

39 

67 

348 

368 

272

268 

154 

108 

82 

67 

55

Month

Ootc 

Hove

Deoe

Ca

Jami 

Febi 

Marc 

Apr! 

May 

June 

July 

Augu 

Sept

Wa

mber ......................

lendar year 1946 .........

ax*y

st ........................

ember .....................

ter year 1946-47 ..........

Feb.

49 

67 

60 

52 

47

4Z 

39 

36 

35 

33

30 

29 

36 

84 

110

98 

84 

70 

61 

55

55 

60 

67 

75 

78

75 

66 

60

Secondfoot-days

1,285.4 

1,567 

4,405

26,024.7

2,424 

1,653 

3,005 

3,731 

2,743 

1,359.0 

651.0 

247.0 

254.4

23,324.8

Mar.

55 

51 

51 

49 

47

43 

42 

39 

40 

46

58 

59 

59 

75 

112

150 

180 

186 

175 

167

175 

215 

167 

127 

106

89 

77 

74 

75 

102 

114

Maximum

394 

166 

714

714

368 

110 

215 

244 

142 

70 

61 

10.5 

19

714

Apr.

114 

110 

96 

85 

75

70 

67 

67 

70 

80

80 

78 

98 

138 

157

154 

162 

2Z8 

244 

Z28

164 

129 

114 

108 

106

118 

147 

154 

157 

133

May

116 

133 

125 

114 

112

131 

142 

127 

122 

106

91 

84 

74 

69 

64

74 

7Z 

70 

87 

85

85 

77 

75 

78 

78

78 

74 

51 

56 

49 

44

Minimum

4.7 

22 

33

4.7

22 

29 

39 

67 

44 

17.5 

10.5 

7 

7.1

4.7

June

47 

50 

42 

38 

39

40 

42 

59 

67 

70

64 

55 

50 

43 

38

38 

36 

32 

24 

22

20 

20 

19 

18.5 

17.5

38 

75 

98 

85 

72

Mean

41.5 

52.2 

142

71.3

78.2 

59.0 

96.9 

124 

88.5 

45.3 

21.0 

7.97 

8.48

63.9

July

61 

54 

47 

42 

36

28 

25 

24 

22 

22

19.5 

19.5 

17.5 

17.5 

16.5

16 

15 

14.5 

14 

13.5

12.5 

12.5 

11.5 

11.5

11

11.5 

11.5 

12.5 

11

10.5 

10.5

Per 

square 

mile

3.49 

4.39 

11.9

5.99

6.57 

4.96 

8.14 

10.4 

7.44 

3.81 

1.76 

.670 

.713

5.37

Aug.

10.5 

10 

9.5 

9.5 

9.2

9.2 

9 

8 

8 

8

8 

8 

.7 

.6 

.6

.5

.6 

.6 

.6 

.4

.3

.1

1 .1

7 

7 

7 

7.1 

8.2 

7.7

Sept.

7'. 4 

7.3 

7.2 

7.1

7.2

7.2 

8 

9.2 

19 

11

9.1

8.7 

8.3 

8.3 

8.2

8.5 

8.6 

8.5 

8.3 

8.3

8.3 

8.Z 

8.1 

8 

7.9

7.8 

7.7 

7.7 

7.7 

7.6

Runoff

laches

4.02 

4.90 

13.77

81.34

7.58 

5.17 

9.39 

11.66 

8.57 

4.25 

2.03 

.77 

.80

72.91

Peak discharge.- Oct. 25 (8 a.m.) 492 see. -ft.; Dec. 11 (4 a.m.) 988 sec. -ft.; Jan. 23

Acre-feet

2,550 

3,110 

8,740

51,630

4,810 

3,280 

5,960 

7,400 

5,440 

2,700 

1,290 

490 

505

46,280

(6 p.m.)

470 sec.-ft.
DUWAMISH RIVER BASIN 99

Friday Creek near Lester, Wash.

Location.- Water-stage recorder, lat. 47°13', long. 121°27' , in SE^NW^ sec. 18, T. 20 N. ( 

K. 11 E. , 0.4 mile upstream from mouth and 2 miles northeast of Lester.

Drainage area.- 4.6 square miles.

Records available.- October 1945 to September 1947.

Extremes.- Maximum discharge during year, 497 second-feet Dec. 11 (gage height, 4.90 feet); 

minimum, 2.3 second-feet Oct. 18, 19 (gage height, 2.29 feet).

1945-47: Maximum discharge, that of Dec. 11, 1946; minimum, 2.2 second-feet Sept. 

29, 30, 1946 (gage height, 2.28 feet).

Remarks - Records good except those for periods of ice effect and shifting control, which 

are fair. No diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

3.0

3.0

2.9

5.0

3.7

3.0

3.4

3.1

3.0

2.8

2.6

2.6

2.6

2.8

2.8

2.4

2.4

2.4

3.0

17

9.8

7.7

32

68

129

74

47

31

24

21

20

Nov.

20

15

14

13

12

13

12

11

12

14

12

11

10

9.6

9.3

8.4

13

31

27

20

16

14

14

16

44

84

75

65

53

41

-

Dec.

33

27

26

31

41

40

36

38

52

118

295

161

244

194

113

79

56

45

39

34

31

34

33

29

27

26

23

20

20

18

17

Jan.

16

14

13

b!4

15

14

13

13

f!2

»f24

20

18

16

b!3

b!3

b!2

blO

b!4

22

17

22

35

117

143

138

130

83

60

46

37

b32

Month

October .......................

November ......................

December ......................

Calendar year 1946 . . ........

January .......................

February ......................

March .........................

April .........................

May

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

b31

44

b38

b34

31

29

27

24

23

22

21

22

31

64

66

56

47

41

36

33

36

41

46

46

42

38

33

30

-

.

-

Second 

foot-days

537

709.3

1,980

11,790.7

1,146

1,032

1,219

1,537

1,098

591

334.9

116.5

145.1

10,445.8

Mar.

26

26

26

26

24

20

17

15

16

20

28

27

25

31

39

52

64

69

65

62

69

88

70

52

41

33

30

29

29

48

52

Maximum

129

84

295

295

143

66

88

110

56

48

26

5.3

12

295

Apr.

50

45

39

35

32

30

29

28

29

34

32

29

35

48

59

59

72

110

110

98

72

53

45

41

40

44

55

61

66

57

-

May

49

54

50

47

46

53

56

52

54

43

37

35

30

28

26

32

30

31

34

35

32

30

29

29

28

26

25

22

20

18

17

Minimum

2.4

8.4

17

2.2

10

21

15

28

17

11

5.5

2.8

3.0

2.4

June

19

19

16

15

16

16

17

20

24

26

23

22

20

18

16

17

16

15

14

14

13

12

11

11

11

19

35

48

38

30

-

Mean

17.3

23.6

63.9

32.3

37.0

36.9

39.3

51.2

35.4

19.7

10.8

3.76

4.84

28.6

July

26

23

20

19

17

16

14

13

12

12

11

11

10

10

9.5

9.2

8.6

7.9

7.7

7.4

7.0

6.8

6.6

6.2

6.2

7.2

6.2

7.2

6.2

5.5

5.5

Per 

square 

mile

3.76

5.13

13.9

7.02

8.04

8.02

8.54

11.1

7.70

4.28

2.35

.817

1.05

6.22

Aug.

5

5

5

5

4

4

4

4

4

4

4

3

3

3

3

3

3

3

3

3

3

3

2

2

2

2

2

2

3

4

3

.3

.0

.0

.0

.7

.5

.4

.4

.7

.2

.1

.8

.7

.6

.5

.4

.4

.3

.3

.0

.0

.0

.9

.9

.8

.8

.8

.8

.0

.7

.5

Sept.

3.2

3.2

3.0

3.2

3.0

3.0

4.7

7.0

12

10

7.0

6.2

5.5

5.2

4.8

5.3

5.7

5.3

4,5

4.2

4.2

4.1

4.0

4.0

4.0

3.7

3.7

3.8

3.8

3.8

~

Runoff

Inches

4.34

5.73

16.01

95.32

9.27

8.34

9.86

12.43

8.88

4.78

2.71

.94

1.17

84.46

Ac re feet

1,070

1,410

3,930

23,380

2,270

2,050

2,420

3,050

2,180

1,170

664

231

288

20,730

* Winter discharge measurement made en this day.

b Stage-discharge relation affected by ice.

f Computed on basis of partly estimated gage-height record.

Note.- Shifting-control method used Dec. 11 to June 3, June 9 to Sept. 30.
100 DUWAMISH RIVER BASIN

Smay Creek near Lester, Wash.

Location.- Water-stage recorder, lat. 47°15'40", long. 121°33'SO", in SW£ sec. 32, T. 21 

w., R. 10 E., 3f miles upstream from mouth and 4f miles northwest of Lester. Prior to 

Dec. 11, 1946, gage at site 200 feet upstream, at different datum.

Drainage area.- 11.3 square miles.

Records available.- September 1946 to September 194/.

Extremes.- Maximum discharge during period not determined, probably occurred Dec. 11' 

when recorder was dislodged by high water; minimum, 6.2 second-feet Oct. 17-19 (gage 

height, 0.92 foot, site and datum then in use).

Remarks.- Records poor. No diversion or regulation.

Discharge, in second-feet, 1946-47 

1946

Day

Sept. 26 

27

28

Discharge

7.5 

7.5

7.3

Day

Sept. 29 

30

Discharge

7.1 

7.3

Day

1

2

3

4

5

6

7

e

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

7.5

7.3

7.3

9.3

8.2

7.5

7.7

7.3

7.1

6.9

6.3

6.6

6.6

6.6

6.6

6.4

6.4

6.2

6.8

21

16

14

32

67

196

111

72

56

47

40

40

Nov.

38

34

32

30

30

30

29

28

29

30

28

28

27

26

26

24

33

50

51

46

40

38

37

38

56

90

99

91

75

64

Dec.

56

50

49

50

58

60

62

63

69

150

800

550

700

500

350

250

150

100

80

70

60

70

65

55

50

48

45

40

40

38

 35

Jan.

33

30

28

30

34

32

30

30

28

50

45

40

35

32

32

30

26

32

50

40

50

70

150

200

185

180

121

87

68

56

46

Feb.

43

56

50

45

40

38

36

34

33

32

31

33

47

74

87

78

66

56

50

45

50

60

70

70

64

58

52

45

_

-

Mar.

42

41

41

41

40

h38

34

30

32

40

45

43

40

45

50

59

70

74

71

70

71

85

78

66

56

45

42

40

40

52

56

Apr.

59

56

50

45

40

35

33

32

35

40

38

35

45

56

70

72

79

108

126

128

102

83

72

66

62

65

70

78

79

76

-

May

70

70

66

64

62

64

68

66

68

60

54

50

45

43

40

50

47

50

56

60

55

50

48

48

45

42

h40

36

33

31

30

June

33

33

2S

27

27

27

27

30

31

36

36

36

34

31

30

30

28

26

24

23

22

21

19

19

18

27

43

74

74

65

-

July

56

49

44

40

37

34

31

30

27

26

24

23

22

21

19

19

18

17

16

16

15

14

13

12

12

14

12

14

13

12

11

Aug.

11

11

11

11

11

10.5

10.5

10.5

11

10.5

10

10

10

10

10

10

9.5

9.5

9.5

9.5

9.5

9.0

9.0

9.0

9.0

9.0

9.0

9.0

9.5

12.5

10.5

Sept.

9.5

9.0

9.0

9.0

9.0

9.5

13

17.5

22

20

15.5

14

13

13

12.5

13

14

14

13

12.5

12.5

12

12

11

11

11

11

11

11

11

-

n Cor.ip'jted from staff-gage reading.

Note.- No gage-height record Dec. 11 to Jan. 24, Jan. 31 to Feb. 1, Feb. 4-13, Feb. 20 to Mar. 5, 

Mar. 7-15, 26-30, Apr. 3-14, 25. 26, May 4-6, 10-26, May 28 to June 3; doubtful gage-height record 

May 1-3, 7-9, July 23 to Aug. 21; discharge computed on basis of 1 discharge measurement and records for Friday Creek near Lester.

Monthly discharge, in second-feet, 1946-47

Month

September 26-3O, 1946. .........

December ......................

Calendar year .........

May ......................... .

September .....................

Water year 1946-47 ..........

Secondfoot-days

36.7

847.1 

1,277 

4,763

-

1,900 

1,443 

1,577 

1,935 

1,611 

980 

711 

311.0 

375/5

17,730.6

Maximum

7 5

196 

99 

800

-

200 

87 

85 

128 

70 

74 

56 

12.5 

22

800

Minimum

7.1

6.2 

24 

35

-

26 

31 

30 

32 

30 

18 

11 

9.0 

9.0

6.2

Mean

7.34

27.3 

42.6 

154

-

61.3 

51.5 

50.9 

64.5 

52.0 

32.7 

22.9 

10.0 

12.5

48.6

Per

mile

0.65

2.42 

3.77 

'13.6

-

5.42 

4.56 

4.50 

5.71 

4.60 

2.89 

2.03 

.885 

1.11

4.30

Runoff

Inches

0.12

£.79 

4. SO 

15.68

-

e.2s

4.75

S .19

e,37

5.30 

3.23 

2.34 

1.02 

1,24

56.36

Acre-feet

73

1,680 

2,530 

9,450

-

3,770 

2,860 

3,130 

3,840

3,200 

1,940 

1,410 

617 

745

35,170
DUWAMISH RIVER BASIN 101

Charley Creek near Eagle Gorge, Wash.

Location.- Water-stage recorder, lat. 47°15'00", long. 121°47'00", in Slrf£NW£ sec. 3, T.

20 H., R. 8 E., 300 feet dovmstream from Beaverdara Lake Creek, l| miles soath of Eagle

Gorge, and If miles upstream from mouth.

Drainage area,- 10.6 square miles.

Records available.- September 1946 to September 1947.

Extremes.- Maximum discharge during period, 1,380 second-feet Dec. 11 (gage height, 6.17 

feetJ; minimum, 7.2 second-feet Oct. 19 (gage height, 1.16 feet).

Remarks.- Records excellent except those for periods of shifting control, which are fair, 

and those for periods of no gage-height record, which are poor. No diversion or regulation.

Discharge, in second-feet, 1946-47 

1946

Day

Sept. 1 

2 

3 

4 

5 

6 

7 

8

Discharge

a!3 

alE.5 

a 12 

12 

12.5 

14 

10.5 

9.6

Day

Sept . 9 

10 

11 

12 

13 

14 

15 

16

Discharge

9.3 

9.0 

8.7 

8.7 

8.7 

9.8 

11.5 

20

Day

Sept. 17 

18 

19 

20 

21 

22 

23 

24

Discharge

11.5 

10.5 

9.6 

9.6 

9.6 

9.0 

8.7 

8.7

Day

Sept. 25 

26 

27 

28 

29 

30 

31

Discharge

8.4 

8.1 

8.1 

7.9 

7.9 

8.7

a Ho gage-height record; discharge computed on basis of records for Friday Cr^ek near 

tester. 

1946-47

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

8.7

8.1

7.3

11.5

10

8.7

10.5

9.3

8.7

8.1

7.9

7.7

8.1

8.1

7.7

7.7

7.4

7.4

9.0

53

29

36

66

167

234

138

84

62

56

46

55

Nov.

54

45

40

36

34

40

40

3S

46

52

a41

836

a36

34

30

27

103

150

111

82

64

57

65

115

198

243

214

178

138

107

Dec.

87

75

73

90

141

141

142

141

157

375

84g

381

456

395

290

195

155

126

110

98

92

97

90

84

76

a74

a80

a70

B65

862

aS8

Jan.

a56

852

a50

846

B44

42

40

39

38

56

SO

49

46

846

B47

848

&6g

78

103

8g

108

154

861

S67

341

880

180

134

110

98

78

Feb.

116

150

114

93

81

73

70

67

62

61

64

68

90

128

134

120

98

81

70

64

64

62

62

62

59

55

50

47

_

_

-

Mar.

44

43

55

56

51

47

46

45

51

92

111

87

72

68

72

80

88

84

76

68

84

115

93

80

72

67

60

56

54

71

72

Apr.

95

114

98

86

79

78

75

100

134

157

144

117

113

117

108

95

103

138

210

193

136

104

82

70

63

59

57

58

59

54

-

Hay

50

49

46

43

42

41

40

38

56

46

43

40

38

36

34

38

34

33

34

32

31

30

29

28

26

25

24

24

23

22

22

June

23

22

22

22

20

24

24

31

44

54

52

46

41

37

33

43

41

39

38

39

36

33

31

28

27

58

94

100

87

71

-

July

60

51

46

42

38

35

33

31

29

28

28

26

24

24

24

22

21

20

20

IB. 5

19

18.5

18

18.5

18.5

18.5

18

26

19

18

17

Aug.

17

17

16.5

16.5

17

16.5

16.5

16

16

16

16

15.5

15

15

14.5

14.5

14.5

14.5

14

14

14

14

14

13.5

13.5

13

13

13

13.5

24

15.5

Sept.

14-

13.5

13.5

14

13.5

15

25

45

47

42

31

26

23

20

19

26

23

21

19

18

17

16.5

15.5

15

14.5

14

14

14

13.5

13

~

Peak discharge.- Mov. 25 (11 p.a.) 306 sec.-ft.; Dec. 11 (6 a.m.) 1,380 sec.-ft.; Jan. 23 (2p.m.) 

42i> sec.-ft.

a Mo gage-height record; discharge computed on basis of recorded range in stage ard records for 

nearby streams.

Hote.- Shifting-control method used Mar. 22 to Apr. 20, June 25 to Sept. 30.

Monthly discharge, in second-feet, 1946-47

Month

September 1946 ............ ...

December ......................

Calendar year .........

March .........................

May ...........................

September .....................

Water year 1946-47 ..........

Secondfoot-days

308,1

1,188,5 

E.457 

5,318

-

3,E79 

fi,E65 

2,160 

3,096 

1,0§7 

1,260 

830.5 

473.5 

615.5

24,040

Maximum

20

234 

243 

842

-

367 

150 

115 

210 

56 

100 

60 

24 

47

842

Minimum

7.9

7.4 

27 

58

-

38 

47 

43 

54 

22 

20 

17 

13 

13

7.4

Mean

10.3

38.3 

81.9 

172

-

106 

80.9 

69.7 

103 

35.4 

42.0 

26.8 

15.4 

20.5

65.9

Per 

square 

mile

0.972

3.61 

7.73 

16.2

-

10.0 

7.63 

6.58 

9.72 

3.34 

3.S6 

2.53 

1.44 

1.93

6.22

Runoff

Inches

1.08

4.17 

8.62 

18.66

-

11.50 

7.95 

7.58 

10.86 

3.85 

4.42 

2.91 

1.66 

2.16

84.34

Ac re- feet

611

2,360 

4,870 

10,550

-

6,500 

4,490 

4,280 

6,140 

2,180 

2,500 

1,650 

939 

1,220

47,680
108 DUWAMISH RIVER BASIN

Bear Creek near Eagle Gorge, Wash.

Location.- Water-stage recorder, lat. 47°17'00", long. 121°48'10", in NWi sec. 28, T. 21

 M., K. 8 E., a quarter of a mile upstream from mouth and 2j miles northwest of Eagle

Gorge.

Drainage area.- 4.1 square miles.

Records available.- September 1946 to September 1947. 

Extremes.- Maximum discharge during period, 605 second-feet Dec. 10 or 11 (gage height,

 4.UO feet, from recorded range in stage); minimum, 0.1 second-foot Sept. 27-29, Oct. 3,

and about Oct. 19. 

Remarks - Records fair except those for periods of no gage-height record, which are poor.

Ho diversion or regulation.

Discharge, in second-feet, 1946-47 

1946

Day

Sept. 17

18

19

20

21

Discharge

0.8

.6

.4

.3

.4

Day

Sept. 22

23

24

25

26

Discharge

0.3

.2

.2

Day

Sept. 27

28

29

.2 1 30

.2

Discharge

0.1

.1

.1

.2

Daj

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

26

26

27

28

29

30

31

Dot.

0.3

.2

.1

.4

.5

.2

.7

.4

.3

.2

.2

.2

.3

.4

.3

.3

.2

.1

.3

25

7

9

20

1OO

70

50

35

25

23

20

25

Nor.

24

19

16

14

13

17

17

15

18

25

20

16

14.5

12.5

9.8

7.1

65

124

72

50

25

17

25

70

200

150

120

80

70

60

-

Dec.

45

30

25

35

60

65

65

65

80

250

520

200

280

150

80

50

40

35

32

30

28

26

25

23

22

21

22

20

19

18

17

Jan.

16

15

14

13

14

12.

11.5

11

11.5

19

17

15

14

14

15

17

20

30

45

30

50

80

200

200

140

80

50

40

33

28

25

Feb.

40

70

50

40

35

29

27

25

21

20

21

23

25

50

60

50

40

33

27

20

20

20

19

19

17.5

16

15

13.5

_

_

-

liar.

13

13

14

23

25

19

17

16

28

40

50

35

25

23

27

35

40

33

29

23

30

52

40

30

22

20

18

16.5

16

20

19.5

Apr.

34

45

34

28

28

29

27

36

51

69

54

36

29

24

20

17

18

26

69

57

33

24

18

15

13

12

10.5

10.5

11.5

1O.5

-

Hay

10

9.4

9.0

8.6

7.8

7.4

7.1

7.1

12.5

10.5

9.0

8.2

8.2

8.2

7.8

9.4

7.4

7.8

8.2

7.4

7.4

7.4

7.1

6.4.

6.4

6.4

5.8

5.5

5.2

5.5

4.9

June

5.5

5.5

6.1

5.8

5.5

6.8

6.4

9.4

15

16.5

16

14

13

12

10.5

18

22

19

16.5

15

13.5

12.5

12

11

10.5

25

30

32

26

21

July

17.5

15

13. f

12

11. £

11

10

9.e

9.C

s.e

8.6

8.2

7.4

7.1

7.4

6.1

6.1

5.5

4.4

4.2

4.0

3.8

3.8

3.8

3.5

3.8

3.5

7.4

4.9

4.0

3.5

Aug.

3.1

2.9

2.7

2.7

2.5

2.4

2.4

2.4

2.2

2.2

2.1

1.9

1.9

1.8

1.8

1.8

1.8

1.8

1.7

1.7

1.7

1.5 1.5'

1.4

1.3

1.3

1.3

1.3

1.4

5.5

2.5

Sept.

1.8

1.5

1.4

1.5

1.4

1.8

6.4

12.5

14.5

11.5

8.2

6.8

5.8

4.7

4.4

9.0

8.6

8.2

7.4

6.4

5.5

4.9

4.4

4.2

3.8

3.8

3.8

4.O

3.3

3.1

Note.- No gage-height record Oct. 12 to Nov. 12, Nov. 20 to Jan. 5, Jan. 11 oo Feb. 24, Mar. 4 

discharge computed on basis of recorde'd range in stage and records for Charley Cre3k near Eagle 

Gorge and South Pork Cedar River near Lester.

Monthly discharge, in second-feet,. 1946-47

January 1947 ......... ....

May...........................

Water year 1946-47 .........

Seccndfoot-days

'

i ?An o

239 0

100

520

32

Mean

Per

mile

F

Inohes

21 57

^> 92

59

lunoff

Acre- feet
DUWAMISH RIVER BASIN 

Newaukum Creek near Black Diamond, Wash.

103

Location.- Water-stage recorder, lat. 47°16'30". long. 122°03'30", in SW£ sec. 28, T. 21 

H., R. 6 E., three-quarters of a mile upstream from mouth and 3| miles southwest of 

Black Diamond.

Drainage area.- 24.4 square miles.

Records available.- July 1944 to September 1947.

Extremes.- Maximum discharge during year, 803 second-feet Dec. 14 (gage height, 3.29 

feetJ; minimum, 14 second-feet Aug. 26-28.

1944-47: Maximum discharge, that of Dec. 14, 1946; minimum, 11 second-feet Oct. 

11, 12, 1944.

Remarks.- Records good except those for periods of shifting control or no gage-height 

record, which are fair. Many small diversions above station for irrigation and 

domestic use. No regulation.

Rating table, water year 1946-47, except periods shifting control 

height, in feet, and discharge, In second-feet)

1.2 13 2.0 115 

1.4 30 2.3 207 

1.6 51 2.6 365 

1.8 78 2.9 540

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

B 

9

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27

28 

29 

30 

31

Oct.

22 

20 

20 

23 

23

20 

23 

21 

20 

22

18 

18 

18 

18 

17

17 

17 

17 

19 

33

32 

33 

32 

42 

33

34 

28 

23 

25 

34 

30

Nov.

34 

28 

25 

23 

22

23 

23 

22 

22 

52

39 

33 

29 

27 

25

25 

56 

221 

148 

86

72 

166 

192 

154 

129

115 

122 

92 

81

72

Dec.

68 

63 

60 

98 

212

137 

105 

107 

111 

122

343 

438 

420 

531 

343

221 

163 

132 

115 

109

101 

95 

88 

83 

81

85 

90 

83 

77 

72 

71

Jan.

72 

70 

70 

70 

72

78 

74 

70 

70 

131

113 

103 

88 

80 

74

74 

74 

136 

202 

127

134 

184 

272 

326 

343

277 

192 

134 

111 

107 

90

Feb.

273 

426 

203 

137 

117

110 

100 

95 

95 

95

95 

100 

130 

180 

170

150 

130 

115 

100 

92

84 

78 

72 

66 

62

58 

55 

55

Month Second- onttl foot-daya

Octo 

Nova 

Deoe

Ca

Janu 

Febr 

Marc 

Apri 

Hay 

June 

July 

Augu 

Sept

Wa

lendar year 194E 

ary

ember .....................

752 

2,158 

4,824

26,101

4,018 

3,443 

2,176 

2,062 

1,096 

940 

648 

521 

569

ter year 1946-47 .......... 23,207

liar.

55 

55 

70 

80 

72

70 

83 

92 

110 

140

92 

80 

74 

70 

65

63 

60 

59 

56 

55

59 

64 

60 

63 

60

63 

59 

52 

55 

77 

63

Maximum

42 

221 

531

531

343 

426 

140 

129 

47 

40 

26 

24 

25

531

Apr.

90 

92 

71 

68 

71

72 

64 

88 

101 

129

97 

74 

67 

60 

56

55 

58 

61 

93 

78

65 

59 

55 

52 

49

47 

46 

46 

51

47

May

46 

43 

42 

41 

40

39 

38 

38 

47 

42

38 

37 

36 

36 

35

36 

35 

34 

34 

33

33 

32 

31 

30 

29

30 

2S 

28 

29 

28 

28

Minimum

17 

22 

60

17

70 

55 

52 

46 

28 

26 

18 

14 

16

14

June

31 

31 

31 

32 

30

32 

37 

40 

36 

36

33 

31 

29 

28 

27

37 

37 

33 

31 

32

31 

29 

28 

26 

26

31 

32 

29 

27 

27

Mean

24.3 

71.9 

156

71.5

130 

123 

70.2 

68.7 

35.4 

31.3 

20.9 

16.8 

19.0

63.6

1947

July

Per 

square 

mile

0.996 

2.95 

6.39

2.93

5.33 

5.04 

2.88 

2.82 

1.45 

1.28 

.857 

.689 

.779

2.61

26 

25 

24 

24 

24

23 

22 

22 

21 

20

21 

21 

20 

20 

24

21 

20 

20 

20 

20

20 

19 

19 

18 

18

19 

20 

21 

20 

18 

18

Aug.

18 

18 

18 

18 

18

18 

18 

20 

18 

18

18 

18 

16 

17 

17

16 

16 

16 

15 

15

15 

15 

15 

15 

15

15 

14 

14 

15 

24 

18

Sept.

16 

17 

16 

16 

16

18 

20 

25 

24 

20

19 

19 

20 

18 

19

20 

20 

20 

19 

18

18 

18 

13 

18 

18

18 

20 

20 

19 

22

Runoff

Inches

1.15 

3.29

7.35

39.77

6.12 

5.25 

3.32 

3.14 

1.67 

1.43 

.99 

.T3 

.87

35.3'

Note.- No gage-height record Feb. 6 to Mar. 6, Mar. 9-12; discharge computed on basis

in stage and records for Big Soos Creek near Auburn. Shifting-control method used Oct. 

Dec. 11, Jan. 30 to Feb. 5, Mar. 7-8, Mar. 13 to Apr. 25. 

903681 0-50-8

Acre-feet

1,490 

4,280 

9,570

51,780

7,970 

6,830 

4,320 

4,090 

2,170 

1,860 

1,290 

1,030 

1,130

46,030

of range 

1 to
104 DUWAMISH RIVER BASIN

Big Soos Creek near Auburn, Wash.

Location.- Water-stage recorder, lat. 47°19'00", long. 122°08'40", in SE^ sec. 10, T. 21 

B., K. 5 E., three-quarters of a mile downstream from Covington Creek and 4 miles 

northeast of Auburn.

Drainage ares.- 53.9 square miles.

Records available.- August 1944 to September 1947.

Extremes.- Maximum discharge during year, 748 second-feet Dec. 15 (gage height, 4.22 

feet); minimum, 27 second-feet Sept. 3, 5, 6.

1944-47: Maximum discharge, that of Dec. 15, 1946; minimum, 22 second-feet Aug. 

30, Sept. 9, Oct. 21, 1944.

Remarks.- Records good except those for period of no gage-height record, which are poor. 

Several small diversions for farm use above station. City of Seattle regulates flow 

of Little Soos Creek, a tributary.

Discharge, in second-feet, water year October 1946 to September 1947

Day

. 1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

38

33

33

34

35

33

35

36

32

32

32

32

32

32

32

30

30

30

31

56

58

51

46

52

43

42

40

38

39

48

45

Nov.

45

38

37

37

35

35

36

36

36

48

43

40

38

37

37

35

48

113

94

82

73

100

142

162

165

166

165

162

162

154

-

Dec.

146

152

152

176

276

 260

233

230

220

220

307

419

562

673

696

595

502

440

394

357

326

300

270

253

236

230

223

204

166

176

165

Jan

162

154

149

149

146

142

134

127

124

160

146

144

136

124

a 120

a!20

a!20

al60

a270

a200

a210

a 230

a250

303

390

453

382

336

311

28 6

260

Month

October .......................

November ............ .........

December ......................

Calendar year 1946 .........

January ................. .....

February ......................

March ................... ... .

April ................... ... .

May ...........................

June .................... .....

July .................... .....

August ........................

September . ...................

Water year 1946-47 ..........

Feb.

311

529

471

402

357

322

300

276

256

246

246

253

274

330

322

296

267

246

230

223

210

201

186

166

182

174

162

160

.

-

Secondfoot-days

1,160

2,405

9,565

53,345

6,422

7,624

4,766

3,709

2,156

1,790

1,204

951

937

42,729

Mar

152

152

162

171

154

146

152

162

171

204

a!90

165

176

171

165

160

154

149

139

136

142

149

142

152

139

134

127

122

124

152

132

Maximum

58

168

696

698

453

529

204

160

94

96

47

36

53

698

Apr.

152

142

132

136

139

136

129

139

144

160

144

136

132

127

122

120

113

113

134

124

122

113

106

104

102

98

96

94

104

96

-

May

94

66

66

62

79

77

73

73

84

62

75

73

70

70

68

68

66

66

68

65

65

64

62

59

59

58

58

58

58

56

54

Minimum

30

35

146

30

120

160

122

94

54

46

34

29

27

27

June

60

65

62

62

59

60

73

96

75

72

68

64

60

59

54

70

66

60

58

56

53

52

49

46

46

51

49

49

46

46

-

Mean

38.1

80.2

309

146

207

272

154

124

69.5

59.7

38.8

30.7

31.2

117

July

45

45

43

43

41

41

41

39

38

38

39

41

39

39

47

40

38

38

37

35

36

36

34

35

34

34

35

46

37

36

34

Per 

square 

mile

0.707

1.49

5.73

2.71

3.84

5.05

2.86

2.30

1.29

1.11

.720

.570

.579

2.17

Aug.

33

32

32

31

31

30

30

29

29

29

30

30

29

29

29

30

31

32

32

32

32

32

31

30

29

29

29

29

31

36

33

Sept.

32

29

27

28

27

28

32

36

35

32

30

29

29

29

29

43

53

35

32

30

30

29

29

29

29

29

29

29

30

29

-

Runoff

Inches Ac re feet

0.81 2,340

1.66 4,770

6.61 19,010

36.79 105, 80O

4.43 12,740

5.26 15,120

3.29 9,450

2.56 7,360

1.49 4,280

1.24 3,550

.83 2,390

.66 1,890

.65 .1,860

29.49 84,760

a. No gage-height record; 

Creek near Black Diamond.

discharge computed en basis of range in stage and records forNewaukum
LAKE WASHINGTON BASIN 

North Fork Cedar River near Lester, Wash.

105

Location.- Water-stage recorder, lat. 47°19'00" > long. 121°29'30". in S^ sec. 11, T. 21 

N., H. 10 E., at falls ij miles upstream from South Pork and 1\ miles north of Lester.

Drainage area.- 8.8 square miles.

Records available.- October 1944 to September 1947.

Extremes.- Maximum discharge during year, 1,000 aecond-feet Dec. 11 (gage heiglit, 7.08 

Feet), from rating curve extended above 350 second-feet; minimu.ii, 8.2 second-feet 

Oct. 18, 19 (gage height, 1.53 feet).

1944-47: Maximum discharge, 1,600 second-feet Jan. 7,"1945 (gage height, 7.37 

feet), from rating curve extended above 200 second-feet; minimum, that of Oct. 18, 19, 

1946.

Remarks.- Records good except those for periods of shifting control and those above 250 

second-feet, which are fair. No diversion or regulation.

Rating tables, water year 1946-47, except periods of shifting control 

(gage height, In feet, and discharge, In second-feet)

1.54

1.7

1.9

2.1

8.4

12

16.5

22

Oct. 1 to Dec. 10

2.3 28

2.6 39

2.9 56

3.2 79

Dec. 11 to Sept. 3O

3.5 109

3.8 152

4.3 254

3.5 10&

3.8 146

4.2 202

4.6 266

5.0 337

5.5 440

6.0 580

6.5 750

Note.- Same as precedIng table below 3.5 feet.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

9.1

9.3

9.1

10.5

9.9

9.1

9.7

9.3

8.9

8.9

8.7

8.6

8.7

8.9

8.7

8.6

8.4

8.4

8.9

35

28

27

38

261

508

155

90

66

53

44

42

Nov.

39

34

31

29

28

29

28

26

26

27

25

24

23

22

22

21

28

42

39

35

32

31

29

28

48

86

99

90

73

59

Dec.

51

48

46

52

62

64

62

59

67

233

620

336

698

480

217

146

107

84

72

65

60

60

55

52

48

46

42

38

36

36

34

Jan.

33

31

29

28

29

28

26

25

25

36

33

33

32

30

30

29

29

30

30

29

36

60

262

344

274

241

159

116

89

75

64

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

Januarv -------

Febi

Marc

 uary ......................

h

April .........................

May ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

62

96

78

71

63

56

51

46

43

41

39

38

47

93

114

102

89

79

70

63

61

64

68

69

67

61

56

50

_

-

Secondfoot-days

1,518.7

1,153

4,076

29 > t.*j*j 233 . 3

2,315

1,837 

2,508

3,395

3,887

2,226

840.5

353.0

517.1

Mar.

46

44

42

39

37

36

34

33

33

36

39

39

39

46

73

113

151

159

156

151

159

202

152

116

92

7V

67

61

63

83

90

Maximum

508

99

698

698

344

114 

202

249

180

129

66

14

47

24,626.3 j 698

Apr.

93

86

77

69

62

55

51

48

48

53

50

52

68

106

141

145

160

233

249

217

150

121

106

100

99

127

162

166

167

134

-

May

128

160

145

132

137

173

180

160

173

133

111

107

94

83

80

98

97

94

134

127

129

121

129

145

149

154

143

115

95

84

77

Minimum

8.4

21

34

8.4

25

38 

33

48

77

39

14.5

9.5

8.9

8.4

June

84

85

73

67

73

75

85

116

129

109

85

77

71

68

59

70

67

59

53

48

45

43

42

3939"

70

109

119

91

76

~

Mean

49.0

38.4

131

80.1

74.7

65.6 

80.9

113

125

74.2

27.1

11.4

17.2

67.5

July

66

56

50

44

40

37

34

32

31

29

28

27

25

26

24

23

22

21

19.5

19

18.5

17.5

17

17

16.5

17

17

20

16.5

15.5

14.5

Per 

square 

mile

5.57

4.36

14.9

9.10

8.49

7.45 

9.19

12.8

14.2

8.43

3.08

1.30

1.95

7.67

Aug.

14

H

14

13

I

5.5

13

13

12

12

12

'.5

.5

'.5

12

12

1

1

1

3

L.5

L.5

11

11

1

1

1

L

).5

X5

10.5

10

3.9

3.7

3.5

3.5

9.5

1

3.5

3.5

3.9

3

10.5

Sept.

9.7

9.3

9.1

9.1

8.9

9.5

13.5

21

47

33

22

18

16

15

14.5

24

25

24

21

19.5

18.5

17

16

15

14.5

14

14

13.5

13

12.5

"

Runoff

Inches'

6.42

4.87

17.23

123.56

9.76

7.76 

10. 6C

14.35

16.43

9.41

3.5E

1.49

2. IE

104.08

Acre feet

3,010

2,290

8,080

57,980

4,590

3,640 

4,970

6,730

7,710

4,420

1,670

700

1,030

48,840

Note.- Shifting-control method used Jan. 24 to Mar. 27, Apr. 2O to July 10.
LAKE WASHINGTON BASIN 

Cedar River below Bear Creek, near Cedar Palls, Wash.

Location.- Water-stage recorder, lat. 47°20'40", long. 121°33'00", In SE^SE^ sec. 32, T. 

22 N. , R. 10 E., 500 feet downstream from Bear Creek and 12 miles southeast of Cedar 

Falls.

Drainage area.- °5.4 square miles.

Records available.- October 1945 to September 1947.

Extremes.- Maximum discharge during year, 1,940 second-feet Dec. 11 (gage height, 6.32 

feet ) ; minimum, 20 second-feet Oct. 11-13, 15-19.

1945-47: Maximum discharge, that of Dec. 11, 1946; minimum, 20 second-feet Sept. 29, 

30, Oct. 11-13, 15-19, 1946.

Remarks . - Records good except those for period of no gage-height record, which are poor. 

Ilo diversion or regulation.

Rating tables, water year 1946-47, except period of ice effect

(gage height, in feet, and discharge, in second-feet)

(Shifting-control method used Dec. 12, 13)

Oct. 1 to Dec. 13 Dec

2.6 20 4.0 322 2.7 

2.8 39 4.5 537 2.9 

3.0 65 5.0 827 3.1 

3.3 119 5.5 1,200 3.3 

3.6 194 5.8 1,460 3.6

Discharge, In second- feet, water year October

Day

1 

2 

3 

4 

5

6

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

16 

19

20

21 

22 

23 

24 

25

26

27 

28 

29 

30 

31

Oct.

23 

23 

22 

26 

24

22

24 

22 

22 

21

20 

20 

20 

21

20

20 

20 

20 

£2 

80

64 

64 

108 

412 

864

424 

254 

189, 

152 

128 

126

Nov.

119 

99 

90 

86 

81

 5 

81 

75 

78 

83

75 

71 

68 

67 

64

61 

96 

157 

144 

128

113 

109 

101 

101 

198

304 

399 

304 

254 

208

Dec.

175 

162 

157 

172 

208

208 

208 

223 

254 

647

1,360 

985 

1,460 

1,150 

686

434 

310 

252 

212 

186

173 

176 

160 

150 

142

»137 

126 

114 

108 

104 

98

Jan.

94 

89 

84 

80 

86

80 

74 

72 

71 

106

96 

98 

94 

b85 

b82

84 

80 

96 

98 

91

112 

184 

769 

975 

835

740 

460 

321 

252 

212 

178

Feb.

176 

256 

204 

184 

167

152 

142 

130 

121 

114

112 

112 

147 

275 

328

296 

256 

224 

195 

178

176 

176 

176 

178 

*176

165 

154 

142

*«* r»ays

Ooto 

Nova

Deoe

Ca

Janu 

Febr 

Kara 

Apr! 

Hay 

June 

July 

Augu 

Sept

Wa

fliber .......................

lendar year 1946 

ary

3,277 

3,899 

10,937

......... 69,395

ember .....................

6,778 

5,112 

6,555 

8,486 

7,593 

4,868 

2,231 

883 

1,197

ter year 1946-47. ......... 61,816

Mar.

132 

126 

126 

119 

108

104 

100 

96 

100 

116

144 

135 

132 

142 

192

269 

350 

374 

354 

339

370 

491 

374 

296 

249

215 

186 

173 

173 

227 

243

Maximum

864 

399

1,460

1,460

975 

328 

491 

608 

347 

310 

190 

37 

90

1,460

Apr.

256 

240 

218 

198 

178

167 

157 

154 

154 

181

170 

167 

186 

2-56 

314

328 

370 

552 

608 

548

385 

306 

272 

249 

240

275 

339 

350 

362 

306

. 14 to Sept. 30

18 4.0 282 

37 4.5 477 

62 5.0 740 

94 5.6 1,170 

162

1946 to September 1947

May

Minimum

20 

61 

98

20

71 

112 

96 

154 

154 

100 

38 

22 

22

20

Peak discharge.- Dec. 11 (5:30 a.m.) 1,940 see. -ft.; Dec. 13

282 

324 

300 

275 

279

332

347 

317 

332 

272

237 

221 

201 

189 

173

198 

192 

192 

249 

243

240 

224 

230 

252 

262

269 

252 209' 

181 

165 

154

June

162 

167 

144 

132 

142

144 

157 

190 

220 

210

190

170 

160 

150 

140

150 

150 

140 

130 

125

120 

110 

105 

100 

100

150 

230 

310 

250 

220

Mean

106 

130 

353

190

219 

183 

211 

283 

245 

162 

72.0 

28.5 

39.9

169

July

ISO

ieo

140 

120 

110

ICO 

95 

85 

80 

75

75 

70

es

63

61

56 

53 

52 

49 

48

47 

45 

44 

44 

43

4"5

44 

52 

4^ 

39 

38

Per 

square 

nile

4.17 

5.12 

13.9

7.48

8.62 

7.20 

8.31 

11.1 

9.65 

6.38 

2.83 

1.12 

1.57

6.65

Aug.

37 

36 

36 

35 

34

33 

32 

31 

32 

31

30 

29 

29 

28 

27

27 

27 

26 

25 

26

25 

25 

24 

24 

23

23 

22 

22 

23 

35 

26

Sept.

23 

22

22 

22 

22

22 

34 

53 

90 

72

53 

45 

42 

39 

37

49 

54 

53 

47 

44

42 

39 

38 

36 

35

34

33 

32 

32

31

Runoff

Inches

4.80 

5.71 

16.01

101.61

9.92 

7.48 

9.60 

12.42 

11.12 

7.13 

3.27 

1.29 

1.75

90.50

Acre-feet

6,500 

7,730 

21,690

137,600

13,440 

10,140 

13,000 

16,830 

15,060 

9,660 

4,430 

1,750 

2,370

122,600

(11:30 p.m.) 1,640 sec. -ft. j Jan, 24

(10 a.m.) 1,050 sec.-ft. 

* Winter discharge measurement made on this day, 

b Stage-discharge relation affected by ice. 

Kote.- No gage-height record June 8 to July 14; discharge

near Cedar Falls.

lomputed on basis of records fop station
LAKE WASHINGTON BASIN 

Cedar River near Cedar Falls, Wash.

107

Location.- Water-stage recorder, lat. 47°22'20", long. 121°37'30", in SE^SWi sec. 23, T. 

2a N R - 9 E., 2 miles upstream from Cedar Lake and 8 miles southeast of Cedar Falls.

Drainage area.- 41.8 square miles.

Records available.- October 1945 to September 1947.

Extremes.- Maximum discharge during year, 3,840 second-feet Dec. 14 (gage height, 9 81 

I'eet); minimum, 34 second-feet Oct. 18, 19 (gage height, 1.93 feet).

1945-47: Maximum discharge, that of Dec. 14, 1946; minimum, 34 second-feet Sept. 

29, Oct. 18, 19, 1946.

Remarks.- Records good. No diversion or regulation.

Rating tables, water year 1946-47 (gage height, In feet,

and discharge, In second-feet) 

(Shifting-control method used Sept. 10-30)

Oct. 1 to Dec. 10 Dec. 11 to Sept. 30

1-9 31 3.3 293 2.0 35 3.6 415 7.0 2,100 

2-1 50 3.6 398 2.2 55 4.O 570 8.O 2,700 

z -3 73 4.0 561 2.4 83 4.5 790 9.0 3,300 

2.5 101 4.5 785 2.7 142 5.0 1,020 10. O 3,980 

. 2.7 137 5.0 1,020 3.0 220 5.5 1,270 

3.0 206 5.7 1,370 3.3 313 6.0 1,520

Discharge, in second-feet, water year October 1945 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29

30 

31

Oct.

38 

37 

37 

42 

42

38 

40 

40 

39 

37

37 

36 

36 

37 

36

36 

35 

35 

36 

107

129 

108 

190 

562 

1,310

730 

418 

300 

E45 

201 

194

Nov.

196 

165 

150 

137 

129

135 

129 

124 

124 

143

128 

120 

115 

110 

104

98 

182 

372 

319 

245

198 

188 

179 

194 

316

626 

693 

6O4 

453 

361

Dec.

296 

281 

268 

306

410

398 

383 

391 

428 

966

2,620 

1,590 

3,150 

3,840 

3,400

2,700 

2,010 

1,440 

1,060 

745

530 

429 

343 

281 

247

232 

217 

198 

187 

179 

171

Jan.

166

154 

144 

140 

152

144 

133 

129 

127 

192

182 

182 

174 

159 

156

156 

147 

175 

198 

176

209 

327 

1,360 

1,670 

1,370

1,270 

812 

590 

440 

363 

303

Month *£

Octc 

Novs 

Decs

Ca

Janu 

Febi 

Marc 

Apr! 

Hay 

June 

July 

Augu 

Sept

Wa

nber ......................

lendar year 1945 

afy

Feb.

307 

474 

370 

323 

287

269

250 

238 

220 

209

217 

229 

318 

632 

655

526 

432 

370 

326 

294

287 

284 

287 

291 

278

262 

247 

229

ond-

-days

5,208 

7,037 

29,696

-. -..... 122,590

1 .........................

ember .....................

11,900 

9,120 

9,815 

12,517 

10,128 

6,521 

3,328 

1,364 

2,014

tsr year 1946-47 .......... 108,648

Mar.

212 

203 

206 

200 

182

174 

169 

166 

176 

212

250 

235 

217 

229 

287

390 

502 

530 

506 

478

502 

655 

530 

429 

366

320 

281 

262 

256 

330 

360

Maximum

1,310 

693 

3,840

3,840

1,670 

655 

655 

880 

470 

412 

250 

59 

148

3,840

Apr.

384

377 

343 

320 

294

272 

259 

250 

259 

310

300 

275 

294 

366 

446

462 

506 

745 

880 

812

570 

454 

387 

363 

346

377 

454 

478 

502 

432

May

387 

440 

418 

380 

373

429 

470 

429 

443 

377

323 

307 

281 

256 

244

266 

266 

259 

320 

313

313

297 

294 

316 

326

343 

326 

281 

241 

217 

203

June

209 

223 

200 

184 

184

200 

195 

259 

294 

287

256 

229

212 

200 

182

198 

203 

182 

174 

169

156 

147 

142 

135 

133

208 

308 

412 

349 

291

July

250 

220 

198 

174 

161

153 

138 

129 

123 

114

112 

108 

98 

95 

93

88 

83 

80 

77 

74

72 

70 

67 

67 

68

70 

68 

86 

71 

63 

60

Per 

Minimum Mean square 

mile

35 168 4.02 

98 235 5.62 

171 958 22.9

35 336 8.04

127 384 9.19 

209 326 7.80 

166 317 7.58 

250 417 9.98 

203 327 7.82 

133 217 5.19 

60 107 2.56 

36 44.0 1.05 

36 67.1 1.61

35 298 7.13

Aug.

59 

54 

53 

52 

50

48 

47 

47 

47 

46

46 

45 

44 

43 

42

43 

42 

41 

40 

40

40 

40 

39

38 

37

36 

36 

36 

38 

51 

44

Sept.

40 

38 

37 

37 

36

37 

50 

88 

142 

148

90 

76 

67 

60 

59

94 

98 

93 

83 

74

71 

67 

62 

59 

56

54 

52 

51 

48 

47

Runoff

Inches

4.63 

6.26 

26.42

109.07

10.59 

8.11 

8.73 

11.14 

9.01 

5.80 

2.96 

1.21 

1.79

96.65

Acre-fest

10,330 

13,960 

58,900

243,200

23,600 

18,090 

19,470 

24,830 

20,090 

12,930 

6,600 

2,710 

3,990

215.550

Peak discharge.- Dec. 11 (8 a.m.) 3,490 sec. -ft.; Dec. 14. (1:SO a.m.) 3.R4.O sen.-fh.; .Tan. ?.t
108 LAKE WASHINGTON BASIN

Cedar River at Cedar Falls, Wash.

Location - Water-stage recorder, lat. 47°25'10", long. 121°47'20", In sec. 4, T. 22 N., 

R. b E., three-quarters of a mile downstream from Seattle municipal power plant at 

Cedar Falls and 3 miles downstream from Cedar Lake.

Drainage area.- 86 square miles.

Records available.- April 1914 to September 1947.

Average discharge.- 33 years, 289 second-feet.

Extremes (regulated).- Maximum discharge during year, 2,880 second-feet Eec. 14 (gage 

height, y.4b feet); minimum, 9.5 second-feet Nov. 5 (gage height, 4.6£ feet).

1914-17: Maximum discharge, 6,290 second-feet Dec. 19, 1917; maxirrum gage height, 

11.5 feet Dec. 22, 1933; no flow Nov. P5, 1917, Aug. 18, 1923; minimuir daily, 2 secondfeet Sept. 20, 1922.

Remarks.- Records excellent except those for periods of shifting control, which are fair. 

All artificially diverted water returned to river above gage. Some regulation by 

Cedar Lake Reservoir for power.

Cooperation.- Gage-height record collected in cooperation with city of Seattle.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

52 

52 

52 

54 

52

52 

54 

55 

55 

54

54 

54 

54 

54 

52

52 

52 

53 

54 

63

63 

B5 

52 

34 

40

38 

36 

19 

18 

16 

14

Nov.

14 

12 

11 

10 

9.5

10 

10 

10 

13 

16

13

12 

66 

318 

316

162 

187 

238 

274 

381

355 

376 

364 

390 

400

410 

420 

410 

400 

390

Dec.

390 

386 

386 

395 

405

405 

405 

405 

405 

430

431 

512 

1,370 

2,680 

2,720

2,160 

1,660 

1,300 

1,040 

859

719 

638 

566 

510 

461

456 

450 

445 

440 

440 

445

Jan.

435 

430 

435 

420 

420

415 

410 

410 

410 

410

504 

469 

585 

612 

622

458 

412 

239 

230 

420

390 

350 

622 

830 

781

734 

832 

832 

806 

758 

739

Feb.

736 

661

736 

723 

734

681 

738 

572 

656 

673

690 

683 

644 

656 

457

159 

658 

697 

656 

660

656 

543 

626 

668 

708

703 

686 

726

Month

Ooto 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

697 

646 

632 

611 

662

636 

642 

690 

630 

647

630 

505 

416 

352 

152

153 

212 

214 

228 

236

242 

204 

222 

242 

240

236 

305 

447 

425 

306 

463

Apr.

480 

465 

498 

512 

309

438 

532 

534 

504 

536

456 

395 

337 

454 

438

382 

508 

538 

546 

518

602 

610 

588 

566 

588

566 

566 

584 

572 

574

Secondfoot-days

1,458 

5,996.5 

24,294

132,297.5

16,310

18,165 

12,912 

15,186 

14,604 

7,739 

4,235 

2,987 

2,372

126,318.5

May

756 

720 

760 

764 

764

760 

755 

532 

531 

458

528 

543 

696 

688 

746

727 

260 

364 

530 

523

456 

247 

292 

231 

73

141 

211 

250 

227 

71 

162

Maximum

65 

420 

2,720

2,720

832 

736 

697 

610 

764 

510 

325 

149

is:

2,720

June

86

394 

338 

311 

359

280 

108 

88 

390 

272

510 

478 

456 

196 

71

236 

424 

329 

344 

366

131 

63 

179 

131 

251

278 

193 

156 

232 

289

Julv

130 

173 

100 

64 

77

62 

316 

325 

148 

132

215 

76 

63 

132 

178

123 

119 

152 

69 

58

172 

190 

207 

164 

162

58 

57 

131 

135 

120 

128

Minimum

14

9.5 

386

9.5

230 

159 

152 

309 

71 

63 

57 

53 

50

9.5

Aug.

94 

56 

55 

95 

132

131 

101 

144 

60 

54

123 

89 

148 

140 

149

88 

53 

105 

89 

98

98 

98 

60 

55 

130

113 

111 

138 

80 

56 

54

Mean

47.0 

200 

784

362

526 

649 

417 

506 

473 

258 

137 

96.4 

79.1

346

Sept.

51 

70 

78 

82 

54

69 

55 

98 

74 

89

70 

6B 

87 

56 

100

131 

124 

121 

122 

62

83 

80 

77 

55 

54

54 

98 

50

70 

91

Runoff in 

acre -feet

2,890 

11,890 

48,190

262,400

32,350 

36,030 

25,610 

30,120 

39,090 

15,350 

8,400 

5,920 

4,700

250,500

Note.- Shifting-control method used Jan. 11 to Apr. 18.
LAKE WASHINGTON BASIN 109

Cedar River near Landsberg, Wash.

Location.- Water-stage recorder, lat. 47°23 I 35", long. 121°56 I 50", in sec. 17, T. 22 N., 

H. YE., If miles upstream from Landsberg and Intake of Seattle water-supply system, 

7 miles upstream from Maple Valley, and 12 miles downstream from Cedar Lake.

Drainage area.- 138 square miles (including that of Rock Creek).

Kecords available.- October 1898 to April 1901, April 1914 to September 1947. July 1895 

to September 1898 (at site 2 miles downstream, published as Cedar River at Clifford 

Bridge, near Ravensdale) and March 1901 to April 1912 (at site of Seattle rater-supply 

intake, published as Cedar River near Ravensdale); records equivalent.

Average discharge.- 49 years (1895-1911, 1914-47), 686 second-feet (adjusted for Rock 

creek diversion since October 1932).

Extremes.- Maximum discharge during year, 4,190 second-feet (regulated) Dec. 14 (gage 

height, 5.44 feet); minimum, 216 second-feet (regulated) Sept. 30 (gage height, 0.92 

foot).

1895-98, 1901-12, 1914-47: Maximum discharge observed, 13,600 second-feet Nov. 19, 

1911 (gage height, 9.7 feet, site and datum then In use); minimum observed, 83 secondfeet Sept. 19, 1898.

Remarks.- Records excellent except those for periods of no gage-height record, which are 

fair. All diversions except Rock Creek returned to river above station. Rock Creek 

which entered naturally just above gage has been diverted to a point downstream from 

Seattle municipal water-supply Intake to lessen danger of pollution. MontMy discharge 

adjusted for diversion. Some regulation by Cedar Lake.

Cooperation.- Gage-height record collected In cooperation with city of Seattle.

Rating table, water year 1946-47 (gage height, in feet, and discharge, in second-feet'

0.9 209 1.5 463 2.3 940 3.5 1,940 5.O 3,640 

1.1 280 1.7 570 2.6 1,160 4.0 2,470 5.5 4,270 

1.3 364 2.0 740 3.0 1,480 4.5 3,040

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

276 

273 

273 

H76 

H73

269 

273 

269 

265 

262

258 

254 

254 

254 

254

254 

250 

243 

247 

316

308 

304 

308 

342

351

342 

292 

288 

269 

265 

258

Nov.

269 

247 

240 

236 

229

233 

236 

226 

226 

254

236 

233 

226 

508 

520

422 

446 

725 

604 

698

669 

662 

734 

756 

850

947 

968 

891 

824 

779

Month

Octo 

Hove 

Deoe

Cal

Janu 

Febr 

Marc 

Aprl 

Hay.

June 

July 

Augu 

Sept

Wat

endar year 1946

ember ...........

er year 1946-47

Dec.

753 

760 

746 

786 

891

864 

864 

870 

877 

1,020

1,570 

1,570 

2,600 

4,000 

3,810

3,050 

2,450 

2,030 

1,710 

1,480

1,330 

1,230 

1,110 

1,040 

975

968 

954 

933 

919 

905 

898

Jan.

870 

877 

850 

850 

844

838 

824 

812 

805 

800

910 

920 

1,000 

1,010 

1,010

850 

810 

650 

660 

870

690 

850 

1,420 

1,730 

1,580

1,630 

1,900 

1,630 

1,470 

1,430 

1,240

Feb.

1,240 

1,360 

1,360 

1,310 

1,280

1,200 

1,230 

1,050 

1,120 

1,120

1,140 

1,130 

1,060 

1,110 

1,160

806 

1,200 

1,250 

1,210 

1,190

1,180 

1,090 

1,190 

1,240 

1,210

1,150 

1,130 

1,160

Observed

Discharge in 

second-feet

Maximum

351 

968 

4,000

4,000

1,900 

1,360 

1,140 

1,020 

1,100 

802 

573 

362 

429

4,OOO

MinimuB

243 

226 

746

226

650 

806 

578 

772 

402 

378 

308 

262 

240

226

Mean

278 

503 

1,418

773

1,053 

1,174 

851 

924 

796 

576 

403 

311 

286

712

liar.

1,140 

1,100 

1,100 

1,070

1,100

1,050 

1,080 

1,120 

1,070 

1,120

1,110 

945 

885 

796 

620

578 

644 

656 

650 

660

670 

630 

650 

670 

S70

660 

680 

825 

834 

747 

866

Runoff 

in 

aore-feet

17,100 

29,940 

87,200

559,900

64,720 

65,210 

52,360 

55,010 

48,940 

34,260 

24,760 

19,130 

17,030

515,700

Apr.

925 

916 

936 

951 

772

873 

928 

978 

952 

1,020

973 

846 

784 

878 

844

793 

905 

940 

1,020 

940

1,OOO 

1,010 

976 

942 

946

919 

928 

951 

951 

937

May

1,100

1,060

1,100 

1,100

1,090

1,080 

1,080 

864 

880 

824

834 

844 

1,010 

1,010 

1,060

1,070 

634 

610 

803 

840

780 

557 

636 

531 

417

453 

506 

544 

541 

402 

412

Rock Greet

diversion 

(acre-feet)

705 

2,010 

4,350

20,400

2,620 

2,530 

1,630 

1,780 

579 

1,160 

470 

276 

681

18,790

June

440

668 

654 

599 

652

605 

425 

436 

606 

633

802 

786 

764 

530 

404

572 

670 

665 

670 

599

444 

378 

471 

422 

508

581 

556 

554 

587 

592

July

450 

488 

411 

364 

370

351 

560 

573 

470 

408

483 

345 

342 

388 

453

380 

375 

394 

330 

308

422 

434

450 

405 

416

316 

308 

388 

388 

362 

353

Aig.

338 

292 

288 

324 

360

362 

330 

360 

292 

285

337 

314 

330 

330 

340

30O 

270 

310 

300 

310

314 

326 

268 

265 

322

314 

308 

300 

315 

280 

262

Sept.

254 

258 

261 

286 

254

250 

262 

312 

315 

328

279 

270 

271 

266 

276

429 

406 

361 

354 

294

280 

282 

272 

258 

247

243 

260 

240 

250 

270

Adjusted for diversion

Runoff 

in 

aore-fee

Discharge in 

second-feet

Per 

1 Mean square 

mile

17,800 289 

31,950 537 

91,550 1,489

580,300 802

67,340 1,095 

67,740 1,220 

53,990 878 

56,790 954 

49,520 805 

35,420 595 

25,230 410 

19,410 316 

17,710 298

534,400 738

Runoff

inches

Note.- Ho gage-height record Jan. 10 to Feb. 15, Feb. 23-27, Mar. 19-27, Aug. 14-20, S?pt. 27-30; 

discharge computed on basis of records for station at Cedar Falls and records for other nearby 

streams.
no LAKE WASHINGTON BASIN

Cedar River at Renton, Wash.

Location.- Water-stage recorder, lat. 47°28'40", long. 122°11'50", in NE$SW£ sec. 17, T. 

23 N., R. 5 E., at Renton, 2 miles upstream from mouth. Datum of gage is 19.13 feet 

above mean sea level, supplemental adjustment of 1947. Prior to Aug. 15, 1947, gage 

at datum 1 foot higher.

Drainage area.- 197 square miles.

Records available.- March 1901 to July 1903 (fragmentary), September 1906 to December 1907 

[monthly discharge only), August 1945 to September 1947.

Extremes (regulated).- Maximum discharge during year, 5,510 second-feet D?c. 15 (gage 

height, B.YO reet, datum then in use); minimum, 124 second-feet Oct. 18.

1901-3, 1906-7, 1945-47: Maximum discharge, 5,650 second-feet Nov. 15, 1906 (gage 

height, 50.0 feet, site and datum then in use); minimum, 97 second-feet Sept. 13, 1945.

Remarks.- Records good except those for periods of faulty or no gage-height record, which 

are poor. Flow partly regulated in Cedar Lake Reservoir for operation of power plant. 

City of Seattle diverts water for municipal supply.

Rating tables, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

Oct. 1 to Dee. 13 Dee. 14 to Sept. 30

0.7

.9

1.1

1.3 

1.6 

2.0

120

190

270

355

495

705

4.5

5.0

1,010

1,380

1,780

2,230

2,680

3,160

-0.4 

-.2

0

141

164

196

237

290

356

440

1.0 

1.3

2.5 

3.0 

3.5

540

704

875

1,160

1,590

2,020

2,460

4.0 

4.5

5.0 

5.6 

6.3

2,910

3,360

3,810

4,410

5,110

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

Z 

3

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

172 

162 

183 

172 

172

162

169 

169 

162 

158

155 

152 

148 

152 

148

144 

141 

127 

134 

202

306 

258 

278 

294 

294

310 

262 

214

206 

230 

202

Nov.

210 

186 

1'72 

158 

148

144

148 

144 

138 

183

183 

162 

148 

287 

437

390 

346 

820 

850 

760

694 

732 

850 

880 

940

1,150 

1,120 

1,220 

1,010 

850

Dee.

790 

790 

760 

850 

1,120

1,040 

1,010 

1,010 

975 

1,120

2,020 

2,280 

3,120 

5,010 

5,060

3,850 

3,040 

2,370 

1,970 

1,680

1,460 

1,290

1,120

1,010

940

908 

908 

845 

815 

787 

759

Jan.

759 

732 

704 

698 

704

704 

671 

660 

654 

732

732 

038 

870 

908 

921

790 

734 

638 

686 

742

720 

812 

1,000 

1,300 

1,200

1,200 

1,300 

1,300 

1,300 

1,200 

1,200

Feb.

1,200

1,100

1,200 

1,200 

1,200

1,200 

1,200 i.ioo

1,100 

1,200

1,200 

1,200 

1,100 

1,100 

1,000

1,000

1,300 

1,400 

1,300 

1,300

1,300 

1,200 

1,250 

1,290 

1,320

1,340 

1,310 

1,310

Month

Octo 

Nove 

Dece

Ca

Janu 

Pebr 

Hare 

Apr!

M»v

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

1,270 

1,220 

1,230 

1,230 

1,240

1,180 

1,190 

1,300 

1,240 

1,360

1,390 

1,190 

1,100 

969 

825

68O 

736 

716 

735 

704

713 

749 

692 

820 

873

744 

721 

855 

864 

856 

872

Apr.

1,020 

1,010 

1,010 

1,030 

941

844 

982 

1,060 

1,100 

1,150

1,100 

950 

918 

900 

886

840 

914 

969 

1,080 

1,020

1,050 

1,050 

1,010 

973 

974

952 

936 

958 

969 

942

Secondfoot -days

6,038 

15,460 

50,707

301,695

27,409 

33,920 

30,264 

29,538 

24,840 

15,857 

9,175 

5,456 

6,363

255,027

May

1,100 

1,090 

1,130 

1,120 

1,120

1,120 

1,120 

934 

918

900

828 

854 

978 

985 

1,040

1,040 

742 

626 

636 

808

783 

658 

600 

650 

400

420 

450 

500 

500 

390 

400

Maximum

310 

1,220 

5,060

5,060

1,300 

1,400 

1,390 

1,150 

1,130 

740 

450 

210 

622

5,060

June

420 

620 

620 

580 

6OO

520 

400 

420 

560 

600

740 

732 

697 

500 

370

500 

620 

620 

620 

500

410 

370 

430 

400 

450

520 

520 

496 

534 

488

Minimum

July

410 

440 

370 

350 

340

320 

4OO 

450 

380 

300

350 

300 

250 

250 

350

291 

243 

240 

24? 

195

238 

260 

3C6 

280 

278

214 

178 

236 

2EO 

228 

216

127 

138

759

127

638 

l.OOO 

680 

840 

390 

370 

178 

144 

140

127

Aug.

204 

177 

162 

164 

210

210 

196 

197 

182 

154

162 

188 

170 

210 

, 204

205 

170 

150 

177 

163

162 

168 

166 

144 

158

171 

164 

168 

174

172 

154

Mean

195 

515 

1,636

827

884 

1,211 

976 

985 

801 

529 

296 

176 

212

699

Sept.

142 

140 

152 

163

165

153 

168 

177 

210 

216

198 

178 

176 

180 

162

318 

622 

485 

304 

277

205 

201 

192 

187 

170

166 

160 

190 

152 

154

Runoff in 

aore-feet

11,980 

30,670 

100,600

598,400

54,360 

67,280 

60,030 

58,590 

49,270 

31,450 

18,200 

10,820 

12,620

505,900

Note.- No gage-height record Jan. 23 to Feb. 22; discharge computed on basis of records for station 

at Cedar Palls. Faulty gage-height record May 24 bo June 11, June 14-27, July 2-15; discharge computed on basis of records for station near Landsberg.
LAKE WASHINGTON BASIN 111

South Pork Cedar River near Lester, Wash.

Location.- Water-stage recorder, lat 47°18'30", long. 121°31'00", in SE£ sec. 15, T. 21 

W., H. 10 E., about three-quarters of a mile upstream from mouth and 7 miles northwest 

of Lester.

Drainage area.- 6.0 square miles.

Records available.- October 1944 to September 1947.

Extremes.- Maximum discharge during year, 630 second-feet Dec. 11 (gage height, 4.79 feet); 

feet); minimum, 2.9 second-feet Oct. 17-19 (gage height, 1.25 feet).

1944-47: Maximum discharge, 878 second-feet Jan. 7, 1945 (gage height, 4.86 feet); 

from rating curve extended above 200 second-feet; minimum, that of Oct. 17-19, 1946.

Remarks. - Records good except those for period of shifting control or no gage-lr -»ight recora, which are fair. No diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26

27 

28 

29 

30 

31

Oct.

3.3

3.2 

3.1 

3.7 

3.6

3.3 

3.4 

3.3 

3.3 

3.2

3.2 

3.2

3.1 

3.2 

3.1

3.0 

3.0 

2.9 

3.1 

11.5

9.2 

9.9 

28 

106 

348

102 

57 

42 

35 

28 

26

Nov.

24

20 

17.5 

16 

14.5

15 

14 

12.5 

12.5 

14.5

12.5 

12 

11.5 

11 

10.5

9.9 

13.5 

26 

28 

26

24 

22 

20 

19 

22

73 

79 

80 

63 

50

Dec.

43

37 

32 

31 

35

39 

42 

43

41 

95

413 

216 

431 

448

205

108 

72 

56 

47 

40

36 

34 

32 

30 

29

28 

*28 

26 

25 

24 

23

Jan.

22 

21 

20 

19.5 

20

18.5 

17.5 

17 

17 

24

22 

22 

22 

b21 

b20

b!9 

19.5 

22 

21 

20

24 

39 

226

237 

193

172 

97 

68 

53 

45 

39

Month

Octc 

Nove 

Dece

Ca

Janv 

Febr 

Hare 

Apri 

Hay 

June 

Julj 

Augu 

Sept

Wa

lendar year 1946 .........

ary

st ........................

ember .....................

ter year 1946-47 ..........

Feb.

43 

45 

39

37 

35

33 

30 

28 

26 

25

25 

24 

29 

54

70

63 

54 

48 

42

38

a36 

a35 

a36 

a37 

a36

a35 

*a34 

31

Seocndfoct-days

863.8 

773.4 

2,789

18,314.8

1,598 

1,068 

1,518 

1,972 

1,389 

837.5 

418.5 

157.5 

193.7

13,578.4

Uar.

29 

28 

27 

25 

24

23 

23 

22 

22 

23

25 

25 

25 

28 

39

62 

86 

94 

88 

85

90 

120 

92 

70 

57

49 

44 

40 

40 

53 

60

Maximum

348 

80 

448

448

237 

70 

120 

164 

67 

58 

34 

6.£ 

17

448

Apr.

61 

57 

52 

50 

42

39 

36 

34 

33 

35

34 

35 

40 

59

76

80 

92 

145 

164 

139

94 

68 

57 

53

51

56 

72 

76 

77 

65

Hay

59 

66 

63 

57 

54

63 

67 

59 

57 

50

43 

39 

36 

34

31

34 

34 

34 

42 

44

43 

41 

42 

44 

45

44 

43 

36 

31 

28 

26

Minimum

2.9 

9.9 

23

2.9

17 

24 

22 

33 

26 

16 

6.5 

4.2 

3.8

2.9

June

27 

28 

25 

23 

24

24 

25 

30 

36 

39

36 

33 

30 

27 

25

25 

23 

22 

21 

20

19 

18 

17 

16.5 

16

24 

39 

58 

48 

39

Mean

27.9 

25.8 

90.0

50'2

51.5 

38.1 

49.0 

65.7 

44.8 

27.9 

13.5 

5.08 

6.46

37.2

July

34

30 

26 

24 

22

20 

18.5 

17 

15.5 

15

14.5 

13 

12.5 

12 

11.5

10.5 

9.9 

9.5 

9.2 

8.8

8.5 

8.2 

7.9 

7.9

7.6

7.9 

7.6 

8.5 

7.4 

7.1 

6.5

Per 

square 

mile

4.65 

4.30 

15.0

8.37

8.58 

6.35 

8.17 

11.0 

7.47 

4.65 

2.25 

.847 

1.08

6.20

AVK.

6.8 

6.5 

6.5 

6.3 

6.0

5.8 

5.8 

5.5 

5.8 

5.5

5.5 

5.3 

5.0 

5.0 

4.8

4.8 

4.8 

4.5 

4.5 

4.5

4.4 

4.4 

4.4 

4.2 

4.2

4.2 

4.2 

4.2 

4.2 

5.5 

4.4

Sept.

4.2 

4.1 

3.9 

3.9

3.8

3.S 

4.8 

7.6 

17 

12.5

9.2 

7.9 

7.4 

6.5 

6.3

7.6 

7.6 

7.4 

6.8 

6.5

6.3 

6.0 

5.8 

5.5 

5.3

5.3 

5.3 

5.3 

5.0 

5.0

Runoff

Inches

5.35 

4.79 

17.29

113.53

9.90 

6.62 

9.41 

12.22 

8.61 

5.19 

2.59 

.98 

1.20

84.15

Peak discharge.- Oct. 25 (6 a.m.) 523 sec. -ft.; Dec. 11 (2 p.m.) 630 sec. -ft.; Dec. 14

Acre-feet

1,710 

1,530 

5,530

36,300

3,170 

2,120 

3,010 

3,910 

2,760 

1,660 

830 

312 

384

26,930

(5 a.m.)

540 sec.-ft.; Jan. 23 (3:30 p.m.) 305 sec.-ft.

* Winter discharge measurement made on this day.

a No gage-height record; discharge computed on basis cf recorded range In stage and rnccrds fcr 

other stations In upper Cedar River Basin.

b Stage-discharge relation affected by Ice.

Note.- Shifting-control method used Oct. 1 to May 14, Jun.e 16 to July 31.
112 LAKE WASHINGTON BASIN

Rex River near Cedar Falls, Wash.

Location.- Water-stage recorder, lat. 47°21'10", long. 121°39'50", in NE^NW^- sec. 33, T. 

Vd n., R. 9 E., 2j miles upstream from mouth and Cedar Lake and 7 miles southeast of 

Cedar Palls.

Drainage area.- 13.0 square miles.

Records available.- October 1945 to September 1947.

Extremes.- Maximum discharge during year not determined, probably occurred Dec. 14 

during period of faulty gage-height record; minimum, 8.6 second-feet Aug. 25-29 

(gage height, 2.60 feet).

1945-47: Maximum discharge recorded, 1,400 second-feet Dec. 28, 1945 (gage 

height, 6.20 feet), from rating curve extended' above 680 second-feet; minimum discharge, 8.1 second-feet Sept. 29, 30, 1946, but may have been less sometime during 

period of faulty gage-height record; minimum gage height, that of Aug. 25-29, 1947.

Remarks.- Records good except those for periods of faulty gage-height record, which are 

poor. No diversion or regulation.

Rating tables, water year 1946-47 (gage height, In feet, 

and discharge, In second-feet)

Oct. 1 to Dec. 10

2.7 8.8

2.8 13

3.0 29

3.2 52 

Hote.- Same as 

following table 

above 3.2 feet.

Dec. 11 to Sept. 30

2.6

2.7

2.8 

3.0 

3.2

8.6

12

16

31

52

3.4

3.6 

3.8 

4.0 

4.3

123

173

231

333

4.6 

5.0 

5.5 

6.O

455

648

93D

1,263

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

11

10

10

24

19

14

12

12

13

12

12

11

11

11

11

10

10

10

9.6

55

71

56

90

350

587

273

163

117

92

74

78

Nov.

76

63

56

53

50

52

50

46

48

54

52

50

47

45

41

38

130

193

150

110

83

71

65

80

213

405

326

234

176

130

-

Dec.

108

100

96

120

160

150

150

160

180

551

768

195

900

1,250

1,000

700

450

300

200

150

130

110

100

95

88

82

75

70

65

60

55

Jan.

50

45

43

39

38

37

36

35

34

50

48

48

46

43

42

42

40

45

50

45

55

80

810

675

617

465

266

190

145

119

106

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January ............... .......

February ......................

March .........................

April .........................

May ...........................

June ..........................

July ..........................

August ................ .......

September .....................

Water year 1946-47 . . ...

Feb.

104

207

150

123

106

94

87

76

69

68

81

102

204

430

341

237

176

140

117

100

102

106

110

106

96

85

76

68

_

-

Secondfoot-days

2,238.6

3,189

8,618

43,478.6

4,384

3,761

3,479

4,698

2,869

2,400

961

354.9

1,032.9

37,985.4

Mar.

62

60

66

63

58

53

51

50

58

83

110

96

89

92

108

121

160

181

163

152

212

273

193

150

123

108

96

89

91

133

135

Maximum

587

405

1,250

1,250

810

430

273

417

163

237

91

29

121

1,250

Apr.

147

140

121

106

94

89

87

91

104

137

121

110

123

152

165

165

213

341

417

311

207

157

133

119

115

128

145

147

173

140

May

137

145

125

115

112

133

133

123

163

115

100

91

78

71

68

91

74

78

96

83

80

74

76

78

76

76

68

65

52

48

45

Minimum

9.6

38

55

8.4

34

68

50

87

45

41

16

8.6

9.5

8'.6

June

53

56

50

48

46

53

62

83

117

112

94

80

73

62

56

74

73

65

59

60

52

48

44

41

42

123

170

237

152

115

Mean

72.2

106

278

119

141

134

112

157

92.5

80.0

31.0

11.4

34.4

104,

July

91

74

63

56

50

45

41

37

34

31

32

30

26

25

24

22

20

20

19

18

17

16

16

16

17

19

18

32

20

16

16

Per 

square 

mile

5.55

8.15

21.4

9.15

10.8

10.3

8.62

12.1

7.12

6.15

2.38

.877

2.65

8.00

Aug.

14

14

13

13

12

12

12

12

14

12

12

11

11

10

10

10

10

10

9.8

9.5

9.5

9.5

9.2

8.9

8.9

8.6

8.6

8.6

9.8

29

13

Sept.

10

10

9.8

9.8

9.5

9.8

£6

66

121

78

50

41

35

30

26

65

58

52

44

39

35

31

28

25

24

22

21

20

19

18

Runoff

Inches Acre feet

6.40 4,440

9.12 6,330

24.65 17,090

124.38 86,230

12.54 8,700

10.76 7,460

9.95 6,900

13.44 9,320

8.21 5,690

6.87 4,760

2.75 1,910

1.O2 7O4

2.95 2,050

108.66 75,350

Note.- Faulty gage-height record Oct. 20 

Jan. 6-24; discharge computed on basis of

23, 24, Nov. 8-12, 23, 24, Dec. 3-9, Dec 

ecords for Cedar River near Cedar Falls.
LAKE WASHINGTON BASIN 113

Rock Creek near Landsberg, Wash.

Location.- Water-stage recordpr, lat. 47°23'30", long. 121°58'20", in SEj sec. 13, T. 22 

N. , R. 6 E., 1 mile upstream from mouth and 1-J miles north of Landsberg.

Drainage area.- 11 square miles.

Records available.- June 1945 to September 1947.

Extremes.- Maximum discharge during year, 213 second-feet about Dec. 14 (gage height, 3.30 

feet, from recorded range in stage); minimum, 3.2 second-feet Oct. 3..

1945-47: Maximum discharge, that of Dec. 14, 1946; minimum, 2.2 second-feet Sept. 

26, 1946.

Remarks.- Records good except those for periods of shifting control or no gage-height recora, which are poor. Some regulation in Walsh Lake by city of Seattle. No diversion.

Rating table, water year 1946-47, except periods of shifting control 

(gage height, in feet, and discharge, in second-feet)

0.7 4.0

.9 9.7

1.1 21

1.3 34

1.5 49

1.7 65

2.0 90

2.3 117

2.6 144

2.9 173

3.3 213

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26

27 

28 

29 

30 

31

Oct.

4.0 

3.6 

3.3 

5.0 

5.0

4.6 

6.4 

6.4 

6.0 

5.5

5.0 

5.0 

5.0 

5.2 

4.6

4.4 

4.4 

4.4 

4.8

16

23 

20 

20 

28 

24

28 

22 

17 

20 

24 

21

Nov.

22 

18 

14 

13.5 

13

11.5 

12.5 

12 

12 

23

19 

15 

13 

11.5 

10.5

9.7 

25 

72 

53 

40

33 

38 

48 

55 

67

80 

87 

75 

62 

50

Dec.

41 

43 

40 

51 

87

74 

65 

63 

56 

66

149 

178 

2OO 

210 

150

110 ' 

90 

70 

60 

50

43 

38 

35 

32 

30

f28 

35 

30 

25 

23 

21

Jan.

20 

19.5 

18 

17.5 

19

21 

19 

17.5 

17.5 

29

28 

26 

23 

20 

18

17.5 

18 

26 

41 

35

40 

55 

97 

126 

135

122 

87 

67 

54 

47 

40

Feb.

60 

122 

85 

66 

55

48 

43 

38 

34 

33

37 

41 

53 

83 

69

56 

47 

40 

35 

33

32

29 

26 

24 

23

21 

21

20

Says

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

ffa

ober 2

lendar year 1946 

ary

10

1

ember .....................

355.6 

,015.2 

,193

,289.5

,320.5 

,274 

822 

896.5 

291.9 

583.6 

237.0 

139.2 

343.4

ter year 1946-47 .......... 9,471.9

Mar.

19 

21 

25 

30 

27

25 

28 

35 

37 

45

38 

33 

30 

27 

25

24 

22 

21 

20 

20

22 

30 

28 

25 

23

22 

19 

17 

19 

35 

30

Maximum

28 

87 

210

210

135 

122 

45 

50 

15 

41 

16.5 

9.3 

39

210

Apr.

40 

38 

35 

38

37

35 

33 

40 

47 

50

43 

39 

33

28 

25

21 

23 

24 

38 

34

28 

24 

21 

20 

19

17 

15 

15 

20 

16.5

May

14 

11.5 

11.5 

10.5 

10

9.7 

9.3 

8.9 

15 

12

9.7 

8.9 

8.5 

8.5 

9.3

8.1 

7.3 

7.7 

14 

10

8.1

7.0 

6.7 

6.2 

7.3

8.9 

8.5 

8.1 

8.5 

9.3 

8,9

June

12.5 

19.5 

17.5 

17 

13.5

21 

26 

35 

25 

24

21 

16.5 

13 

12.5 

11.5

27 

29 

21 

17.5 

17

14 

12 

10.5 

9.7 

8.9

17.5 

24 

41 

28 

21

Minimum Mean

3.3 11.5 

9.7 33.8 

21 70.7

2.3 28.2

17.5 42.6 

20 45.5 

17 26.5 

15 29.9 

6.2 9.42 

8.9 19.5 

4.8 7.65 

3.8 4 . 49 

4.4 11.4

3.3 26.0

July

16.5 

13.5 

12 

11.5 

10

8.9 

8.1 

7.3 

7.0 

6.4

6,7 

7.7 

6.4 

6.2 

13

9.3 

7.3 

6.7 

6.2 

6.0

5.2 

5.2 

5.2 

5.2 

5.2

5.8 

5.8 

6.7 

6.2 

5.0 

4.8

Per 

square 

sile

1.05 

3.07 

6.43

2.56

3.87 

4.14 

2.41 

2.72 

.856 

1.77 

.695 

.408 

1.04

2.36

f Computed on basis of partly estimated gage-height record. 

Note.- No gage-height record Dec. 13-25, Dec. 27 to Jan. 1, Feb. 28 to Apr. 1; 

on basis of recorded range in stage and records for Issaquah Creek near Issaquah

Aug.

5

F'

Inches

1.20 

3.43 

7.41

34.76

4.46 

4.31 

2.78 

3.03 

.99 

1.97 

.80 

.47 

1.16

32.01

disohar^ 

and May

,o

.6 

.6 

.4 

.4

.4 

.4

.2 

.2

.0

.4 

.4

.2 

.2 

.2

.4 

.2 

.2

.0 

.0

.0 

.0 

.0 

.0 

.0

.8 

.8 

.0 

.2 

.3 

.7

Sept.

6.2 

6.4 

4.6 

4.6 

4.4

4.8 

8.1 

16 

23 

20

13 

10 

8.5 

7.0 

6.4

31 

39 

23

16 

12

10.5 

9.3 

8.5

7.7 

7.7

7.7 

7.3 

7.0 

7.0 

6.7

noff

Ac re- feet

705 

2,010 

4,350

20,400

2,620 

2,530 

1,630 

1,780 

579 

1,160 

470 

276 

681

18,790

e computed 

Creek near
114 LAKE WASHINGTON BASIN

Rock Creek near Maple Valley, Wash.

Location.- Water-stage recorder, lat. _47°22'50", long. 122°01'00", In NE£ sec. 22, T. 22 

N. , R. 6 E., at mouth 2 miles southeast of Maple Valley.

Drainage area.- 12.6 square miles.

Records available.- June 1945 to September 1947.

Extremes.- Maximum discharge recorded during year, 105 second-feet Dec. 14 (gage height, 

5J.B2 feet), but probably was greater about Dec. 15 during period of doubtful gage-height 

record); minimum discharge, 3.5 second-feet Sept. 28-30.

1945-47: Maximum discharge recorded, that of Dec. 14, 1946; minimum discharge, that 

Of Sept. 28-30, 1947.

Remarks.- Records excellent except those for periods of shifting control, which are good, 

and those for periods of no gage-height record, which are fair. No known regulation or 

diversion.

Rating tables, water year 1946-47, except periods of doubtful gage-helfht record 

and shifting control (gage height, In feet, 

and discharge In second-feet)

Oct. 1 to Dec. 14 Jan. 2 to Sept. 3O

0.5 5.1 1.5 39 0.3 3.5 1.1 35 2 

.7 9.6 1.8 53 .5 10. 5 1.3 43 Z 

.9 15.5 2.1 67 .7 18.5 1.5 51 2 

1.1 22 Z.I 83 .9 27 1.7 60 

1.3 30 Z.I 98

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24

25

26

27 

28 

29

30 

31

Oct.

6.1 

6.1 

6.1 

6.1 

5.9

5.7 

5.9 

5.7 

5.9 

6.1

6.3 

6.5

6.3 

6.5 

6.5

6.7 

6.5 

6.5 

6.7 

7.6

7.4 

7.4 

7.2 

7.2 

6.7

6.5 

6.3 

6.3 

6.5 

6.5 

6.5

Nov.

6.3 

6.3 

6.3 

6.3 

6.3

6.5 

6.5 

6.5 

6.7 

7.2

7.2 

6.9 

6.9 

6.9 

6.9

6.7 

7.8 

9.3 

9.0 

10.5

11.5 

12 

13 

14 

15.5

16.5 

17.5 

17.5 

17.5 

17.5

Dec.

17.5 

17.5 

18.5 

19.5 

ZZ

23 

25 

25 

26 

27

33

50 

77 

d94 

a loo

d96 

d90 

d80 

d76 

d60

d50 

d47 

d45 

d44 

d42

d41 

d41

d40 

d39 

d38 

d37

Jan.

d36 

35 

34 

33 

32

31 

31 

29 

29 

29

28 

28 

28

27

27

27 

26 

27 

27 

27

27 

29 

30 

35 

44

55 

59

57 

53 

50 

48

Feb.

49

59 

65 

65 

61

57 

54 

51 

48 

46

46 

44 

44 

45 

46

45 

45 

44 

42 

42

40 

a39 

338 

a37 

a36

a35 

34 

33

UA*I + V* Sscond 

Month foot-days

Octc 

Neve 

Dece

Ca

Janu 

Pebr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

Wa

her .......................

mber ...................... 1

lendar year 194 

arv

5 .... 9

1

ember ......... ...........

200.2 

295.5 

441

106.4

078 

290 

850 

666 

480. E 

304.7 

259.3 

195.4 

157.9

ter year 1946-47 .......... 7,218.5

Mar.

32 . 

31

31 

30 

29

29 

28 

28 

28 

29

29 

29 

29 

29 

29

29 

29 

29 

28 

27

27 

26 

26 

25 

25

24 

24 

23 

23 

23 

22

Maximum

7.6 

17.5 

100

100

59 

65 

31 

23 

19.5 

12.5 

9.1 

7.6 

9.1

100

Apr.

23 

22 

22 

22 

22

22 

22 

22 

22 

23

23 

23 

23 

23 

23

23 

23 

23 

23 

23

23 

23 

22 

22 

21

21 

21 

21

20 

20

Hay

19.5 

19.5 

18.5 

18 

18

18 

17.5 

17.5 

18 

17.5

17 

16.5 

16 

16 

15.5

15.5 

15 

14.5 

14 

14

14 

14 

14 

13.5 

13.5

13 

12.5 

12.5 

12.5 

12.5 

12.5

June

12.5 

12.5 

12 

12 

12

12 

11 

10.5 

9.9 

10.5

9.9 

9.5 

9.5 

9.5 

9.5

10.5 

9.9 

9.5 

9.5 

9.1

9.1 

9.1 

9.5 

9.1 

9.1

9.9 

9.5 

9.5 

9.5 

9.1

Minimum Mean

5.7 6.46 

6.3 9.85 

17.5 46.5

5.7 24.9

Z6 34.8 

33 46.1 

22 27.4 

20 22.2 

12.5 15.5 

3.1 1O.2 

7.2 8.36 

5.4 6.30 

3.8 5.26

3.8 19.8

.0 73 

3 87 

6 102

1947

July

9.1 

8. 

9. 

8. 

8.

8. 

8. 

8. 

8. 

8.

8. 

8. 

8. 

8. 

9.

8. 

9. 

8. 

8.4

8.0

8.0 

8.4 

8.4

8.0 

7.6

7.6 

7.6 

8.0 

7.6 

7.2 

7.2

Per 

square 

mile

0.513 

.782 

3.69

1.98

2.76 

3.66 

2.17 

1.76 

1.23 

.810 

.663 

.500 

.417

1.57

Aug.

7.6 

7.2 

7.6 

7.6 

7.2

6.8 

6.8 

6.5 

6.5 

6.5

6.5 

6.2 

6.2 

6.2 

6.2

6.2 

6.2 

6.2 

6.2 

5.8

5.8 

5.8 

5.8 

5.8 

5.8

5.4 

5.4 

5.4 

5.4 

6.8 

5.8

Sept,.

5.8 

6.2 

5.8 

5.8

5.8

6.2 

6.2 

6.5 

6.2 

5.8

5.4 

5.1 

5.8 

5.8 

5.8

9.1 

6.2 

5.1 

4.8 

4.4

4.4 

4.1 

3.8 

4.1

4.1

4.1 

4.1 

3.8 

3.8 

3.8

Runo f f

Inches

0.59 

.87 

4.25

26.87

3.18 

3.81 

2.51 

1.97 

1.42 

.90 

.77 

.58 

.47

21.32

a No gage-height record; discharge computed on basis of records for nearby streams, or

Acre feet

397 

586 

2,860

18,060

2,140 

2,560 

1,690 

1,320 

953 

604 

514 

388 

313

14,320

Interpolated.

d Doubtful gage-height records discharge computed on basis of records for nearby streams. 

Note.- Shifting-control method used June 7 to July 31, Sept. 18-30.
LAKE WASHINGTON BASIN 

May Creek near Renton, Wash.

115

Location.- Water-stage recorder, lat. 47°31'10", long. 122°11'10", in SE^SE^ s^c. 32, T. 

24 M., R. 5 E., 1 mile upstream from mouth and 2j miles north of Renton.

Drainage area.- 13.0 square miles.

Records available.- June 1945 to September 1947.

Extremes.- Maximum discharge during year, 174 second-feet Dec. 14; maximum gag3 height, 

3.45 feet Dec. 13, 14; minimum discharge, 1.9 second-feet July 10, Sept. 3, 5.

1945-47: Maximum discharge, that of Dec. 14, 1946; minimum, 1.9 second-f^t July 

30, 1945, July 10, Sept. 3, 5, 1947.

Remarks.- Records good except those for periods of shifting control, which are fair, and 

tnose for periods of no gage-height record, which are poor. Some small diversions 

for irrigation and domestic use. No regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29

30 

31

Oct.

3. 

3. 

3. 

3. 

3.

3. 

4 . 

3. 

3. 

3.

3. 

3. 

3. 

3. 

3.

3. 

3. 

3. 

3. 

5.

6.5. 

6.5 

6.9 

7.3 

8.1

1O 

8.1 

6.9 

7.7 

9.0 

8.1

Nov.

7.7 

6.9 

6.1 

6.1 

5.5

5.7 

6.1 

5.7 

 6.5 

9.8

9.0 

9.0 

8.5 

8.1 

7.7

7.7 

11 

26 

20 

16

14 

30 

44 

50 

49

43 

41 

34 

29 

24

Dec.

22 

26 

26 

44 

85

71 

57 

48 

40 

40

62 

101 

143 

163 

130

91 

65 

53 

43 

37

32 

29 

25 

22 

20

20 

21 

18 

16 

15 

15

Jan.

14 

13 

12 

12 

12

12 

11 

11 

11 

16

19 

20 

18 

16 

16

15 

15 

19 

23 

21

ZZ 

26 

31 

51

89

97 

73 

57 

45 

38 

32

Month

Octo 

Nove 

Deoe

Ca

Janu 

Febr 

Hare 

Apri 

Hay 

June 

Julj 

Augu 

Sept

Wa

mber .......................

lendar year 1946 

ary . .

1 .........................

ember .....................

ter year 1946-47. .........

Feb

60 

139 

99 

68 

54

45 

38 

34 

30 

28

a 35 

a4O 

a50 

a75 

a6O

a50 

a45 

a40 

a35 

a33

a31 

29 

26 

24 

23

20 

19 

18

Secondfoot-days

153.6 

547.1

1,580

8,024.4

867 

1,248 

567 

505.8 

185.3 

129.0 

91.4 

80.0 

82.4

6,036.6

Mar.

16 

17 

18 

20 

18

16 

a!7 

a23 

a25 

a32

a3O 

a27 

24 

22 

20

18 

18 

16 

15 

14

15 

18 

15 

15 

15

14 

13 

12 

12 

17 

15

Maximum

10 

50 

163

163

97 

139 

32 

25 

9.8 

6.5 

3.7 

3.4 

4.6

163

Apr.

20 

20 

18 

21 

21

19 

18 

20 

22 

25

22 

20 

19 

18 

16

15 

15 

16 

20 

17

15 

15 

13 

13

1Z

12 

11 

11 

12 

9.8

May

9.8 

9.0 

8.5 

7.7 

7.3

6.9 

6.9 

7.7 

8.1 

7.3

6.5 

6.1 

5.7 

5.7 

5.3

5.3 

5.7 

6.5 

6.1 

5.7

5.3 

5.0 

4.6 

4.3 

4.0

4.0

4.0 

4.0 

4.3 

4.0 

4.0

Minimum

3.1

5.5 

15

2.4

11 

18 

12 

9.8 

4.0 

3.4 

2.4 

2.1 

2.1

2.1

June

4.3 

4.6 

3.7 

3.7 

3.7

3.7 

4.3 

5.1 

4.6

5.5

5.3 

4.6 

4.3 

4.0

3.7

6.1 

5.0 

4.6 

4.0 

4.3

4.0 

3.7 

3.7 

3.4 

3.4

4.0 

4.0 

4.3 

3.7 

3.7

Mean

4.95 

18. Z 

51.0

22.0

28.0 

44.6 

18.3 

16.9 

5.98 

4.3O 

2.95 

2.58 

2.75

16.5

July

3.4 

3.4 

3.4 

3.4 

3.1

3.1 

3.1 

3.1 

2.6 

2.4

2.8 

3.1 

3.1 

3.4

3.7

3.1 

2.8 

2.8 

2.4 

2.4

2.4 

2.4 

2.4 

2.6

2.6

2.6 

2.8 

3.7 

3.4

3.1 

2.8

Per 

square 

mile

0.381 

1.40 

3.92

1.69

2.15 

3.43 

1.41 

1.30 

.460 

.331 

.227 

.198 

.212

1.27

Aug.

2.6 

2.6 

2.6 

2.6 

2.6

2.6 

2.6 

2.6 

2.6 

2.6

2.6 

2.6 

2.6 

2.6 

2.6

2.8 

2.8 

2.6 

2.6 

2.6

2.6 

2.4 

2.4 

2.1 

2.1

2.1 

Z.4 

2.4 

2.6 

3.4 

3.1

Sepfe

Z.8 

2.6 

2.1 

2.1 

2.4

2.6 

2.8 

3.1 

3.1 

2.8

2.8 

2.6 

2.6 

2.6 

Z.6

4.6 

4.6 

3.4 

2.8 

Z.8

2.4 

2.4 

Z.4 

2.4 

2.4

2.4 

2.6 

Z.4 2.6

2.6

Funoff

Inches

0.44 

1.57 

4.5Z

22.96

2.48 

3.57 

1.62 

1.45 

.53 

.37 

.26 

.23 

.24

17. Z8

Peak discharge.- Dec. 14 (1:45 a.m.) 174 sec. -ft.: Feb. 2 (12 m.) 152 sec. -ft.

Ac re- feet

305 

1,090 

3,130

15,910

1,720 

2,480 

1,120 

1,000 

368 

256 

181 

159 

163

11.970

a HO gage-height record; discharge computed on basis of recorded range in stage and records for 

nearby streams. Shifting-control method used Oct. 1 to Mar. 6, July 9 to Aug. 7, Aug. 15 to Sept. 

3O.
116 LAKE WASHINGTON BASIN 

Issaquah Creek near Issaquah, Wash.

Location.- Water-stage recorder, lat. 47°28 I 55", long. 122°02'10", in W| sec. 15, T. 23 

W., K. 6 E., 3-5 miles south of Issaquah and 4 miles upstream from East Pork Issaquah 

Creek.

Drainage area.- 22.1 square miles.

Records available.- June 1945 to September 1947.

Extremes - 1945-46: Maximum discharge during water year, 452 second-feet (revised) 

Dec~~2~8 (gage height, 2.68 feet); minimum, 16 second-feet (regulated) Aug. 20-25, 

27-29, Sept. 10-13, 26-30.

1946-47: Maximum discharge during water year, 675 second-feet Dec. 14 (gage height, 

3.45 feet); minimum, 14 second-feet Aug. 12-15, 25-28 (gage height, 0.82 foot).

1945-47: Maximum discharge, that of Dec. 14, 1946; minimum, 13 second-feet (regulated) Aug. 5, 1945.

Remarks.- Records good except those for September 1946 and those for oeriods of no gageneignt record, which are fair. Many small diversions for irrigation and domestic use. 

No regulation.

Revisions.- Revised figures of discharge for the water year 1946, superseding those pubiisned in Water-Supply Paper 1062, are given herein.

Discharge, in second-feet, 1945-47 

1945-46

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oet.

29

28

27

26

2^

24

23

23

21

21

21

21

21

20

21

26

32

28

61

52

42

48

45

45

48

58

56

42

37

45

66

Nov.

64

66

62

76

98

84

76

68

68

84

96

100

98

140

110

120

120

150

170

140

120

110

90

80

90

130

140

135

140

ISO

-

Dec.

145

140

160

170

150

220

260

200

140

135

125

110

94

80

66

56

47

46

45

46

71

71

64

68

66

66

94

286

360

267

225

Jan.

186

217

208

270

304

250

318

310

270

240

210

170

150

120

100

70

68

66

62

60

60

80

90

239

161

133

113

105

100

82

105

Feb.

130

189

164

136

186

332

278

217

180

155

130

113

102

102

100

94

108

102

92

87

92

105

203

225

197

166

276

231

.

-

Mar.

192

189

169

155

169

186

150

130

116

100

94

105

130

122

119

102

119

122

105

94

84

89

89

94

103

133

144

124

130

122

108

Apr.

100

92

87

80

71

66

63

63

64

92

147

140

111

96

88

83

77

72

70

70

61

65

62

61

57

54

52

56

70

65

-

May

54

50

47

47

44

43

41

41

43

38

36

36

37

38

38

37

36

34

32

31

29

28

28

27

26

25

26

36

40

37

32

June

30

28

28

29

28

27

30

29

30

37

31

28

28

79

129

79

62

54

45

41

40

47

43

43

47

41

59

56

- 123

84

-

July

65

54

47

41

38

36

35

45

77

54

45

45

41

37

37

35

31

30

28

25

24

23

23

22

20

21

21

20

20

20

21

Aug.

21

20

20

20

20

20

20

19

19

18

19

20

21

21

21

20

19

19

18

17

17

17

16

17

18

18

18

18

17

17

20

Sept.

19

18

19

20

20

23

20

20

18

17

17

17

17

19

23

54

28

21

20

19

20

19

18

17

17

17

17

17

17

19

00 - ££3 1UD - 1UO - -

Note.- Ho gage-height record Oct. 23 to Dec. 18, Jan. 8-21; discharge computed on basis 

orded range in stage and records for Bear Creek at Redmond.
LAKE WASHINGTON BASIN 117

Discharge, in second-feet, of Issaquah Creek near Issaquah, Wash., 1945-47 Continued

1946-47

Da,

1

2

S

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Dot.

19

18

18

20

19

18

23

21

19

18

18

18

18

21

18

18

18

18

21

81

58

44

42

54

62

62

42

36

62

64

56

Nov.

54

43

37

34

31

30

33

29

33

56

42

36

33

29

27

27

60

150

110

90

80

150

210

230

220

210

213

179

154

123

Dec.

105

128

114

169

255

202

179

166

147

192

371

490

585

630

495

315

250

200

170

150

130

120

110

100

90

90

110

90

80

70

60

Jan.

52

51

48

45

45

45

43

43

43

60

75

80

70

55

54

48

51

81

118

92

109

156

218

343

410

S46

242

187

152

130

109

Feb.

211

452

290

213

169

144

123

105

94

89

100

105

143

244

197

162

137

118

105

98

92

85

77

70

64

60

56

54

_

-

Mar.

53

56

68

81

62

56

60

81

87

118

112

94

83

74

68

62

58

53

51

49

64

96

68

66

62

64

56

49

53

103

81

Apr.

112

100

85

92

89

81

74

98

112

116

100

96

79

70

64

56

60

70

100

81

68

60

56

54

53

48

44 ' 48

53

44

May

43

42

40

38

36

34

32

33

44

38

34

32

30

29

28

28

29

28

36

29

26

26

25

25

25

24

24

23

24

24

23

June

25

24

26

26

27

44

69

89

53

62

48

37

33

32

29

56

48

37

33

33

29

26

24

22

22

34

32

48

37

32

July

27

26

26

25

23

23

22

21

20

20

20

23

21

20

29

25

23

23

23

22

21

20

20

20

19

19

20

27

23

19

18

Atf«.

18

18

17

17

16

16

15

16

16

16

16

15

15

14

15

16

17

16

15

15

15

15

15

15

14

14

14

15

17

25

18

Sept.

18

18

18

18

18

18

37

49

53

37

28

23

20

19

19

86

66

38

29

27

24

24

22

22

22

22

22

21

21

21

-

Peak discharge.- Dec. 14 (7:15 p. 

a.m.) 555 sec.-ft.

Note.- No gage-height record Nov. 

basis of recorded range In stage an

n.) 675 sec.-ft.; Jan. 25 (9:15 p.m.) 452 sec.-ft., Feb. 2 (6:45

2-4, 14-25, Dec. 17 to Jan. 1, Jan. 5-15; discharge computed on 

3 records for May Creek near Renton.

Monthly discharge, In second-feet, 1945-47

May...........................

May...........................

Secondfoot-days

-

o -i oo

_.. _ 

-

360

-

18

-

126

Per

mile

-

3 80

3.41

Runoff

Inches | Acre-feet

-
118 LAKE WASHINGTON BASIN

Sammamish Lake near Redmond, Wash.

Location.- Staff gage, lat. 47°38'40", long. 122°06'10", in NE$ sec. 24, T. 25 N., R. 5 

K., on left shore, 0.6 mile upstream from outlet and 1.8 mile south cf Redmond. Datum

of gage is 32.13 feet above mean lower low water at Seattle (Corps of Engineers bench 

mark).

Drainage area.- 91 square miles.

Records available.- January 1939 to September 1947.

Extremes.- Maximum gage height observed during year, 6.62 feet Dec. 16; minimum observed, 

 O.V4 i'oot Aug. 29.

1939-47^ Maximum gage height observed, 7.17 feet Jan: 11, 1946; irinimum observed, 

0.25 foot Sept. 27, 30, Oct. 1, 1939.

A stage of 9.83 feet was observed by R. L. To3man on Dec. 22, 193S, from information 

by Corps of Engineers.

Remarks.- Gage read once daily. No known diversion or regulation.

Gage height, In feet, water year October 1946 to September 1947

Day

1

2

3

4

S

6

7

8

9

10

11

12

13

14

15

16

17

16

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

1.73

1.72

1.70

1.68

1.67

1.66

1.64

1.64

1.64

1.62

1.61

1.59

1.56

1.55

1.55

1.54

1.52

1.50

1.50

1.55

1.56

1.63

1.61

1.62

1.66

1.77

1.83

1.83

1.84

1.86

1.87

NOT.

1.87

1.88

1.87

1.84

1.83

1.83

1.82

1.80

1.78

1.83

1.83

1.79

1.79

1.77

1.75

1.74

1.76

1.98

£.18

£.24

2.29

2.34

2.54

2.88

3.14

3.33

3.51

3.61

3.67

3.68

-

Dec.

3.68

3.74

3.8£

3.93

4. £6

4.38

4.52

4.62

4.62

4.64

4.84

5.20

5.60

6.06

6.50

6.62

6.61

 6.51

6.40

6.30

6.18

6.04

5.92

5.76

5.62

5.48

5.41

5. £8

5.21

5.04

4.92

Jan.

4.81

4.68

4.59

4.46

4.36

4.26

4.16

4.06

3.96

3.92

3.91

3.90

3.84

3.78

3.71

3.62

3.56

3.54

3.58

3.60

3. 62

3.65

3.76

3.94

4. £4

4.62

4.82

4.9£

4.92

4.94

4.87

Feb.

4.84

5.34

5.63

5.76

5.76

5.74

5.66

5.60

5.46

5.36

5.28

5.26

5.28

5.44

5.55

5.60

5.57

5.48

5.43

5.34

5. £6

5.16

5.08

4.96

4.84

4.76

4.64

4.55

.

-

-

liar.

4.44

4.34

4. £5

4.2£

4.14

4.03

3.96

3.94

3.91

3.93

3.95

3.92

3.89

3.83

3.76

3.72

3.64

3.56

3.51

3.43

3.37

3.37

3.32

3. £8

3. £6

3. £2

3.14

3.06

3.01

3.01

3.00

Apr.

3.01

3.03

2.99

3.03

3.03

3.OO

£.98

2.96

2.99

3.05

3.04

3.03

3.01

£.97

2.93

£.90

2.86

2.91

2.95

2.95

2.91

2.90

£.85

2.8£

2.78

2.74

2.69

2.63

2.59

2.55

May

2.51

£.47

2.42

2.37

2.31

2. £5

2.£1

2.19

2.15

2.13

2.09

2.03

1.98

1.92

1.89

1.83

1.80

1.77

1.73

1.69

1.65

1.63

1.60

1.57

1.53

1.50

1.47

1.43

1.40

1.37

1.34

June

1.32

1.33

1.31

1.30

1.28

1.31

1.31

1.37

1.43

1.53

1.53

1.56

1.54

1.54

1.53

1.56

1.59

1.59

1.56

1.55

1.53

1.52

1.50

1.47

1.45

1.47

1.47

1.46

1.44

1.43

-

JuXy

1.42

1.41

1.39

1.37

1.35

1.33

1.31

1.29

1.27

1.25

1.23

1.24

1.22

l.£0

1.24

1.2£

1.20

1.19

1.17

1.15

1.13

1'.12

1.11

1.09

1.07

1.05

1.04

1.09

1.07

1.05

1.04

Aug.

1.04

1.03

1.02

1.01

l.OO

.98

.96

.95

.94

.94

.93

.91

.89

.88

.87

.87

.85

.83

.84

.83

.81

.80

.79

.78

.77

.76

.76

.75

.74

,8£

.8£

Sept.

0.81

.80

.80

.79

.78

.77

.80

.8£

.85

.84

.84

.8£

.82

.82

.82

.83

.90

.92

.98

.92

.92

.92

.92

.91

.91

.91

.91

.91

.90

.89

-
LAKE WASHINGTON BASIN 119

Sammamish River near Redmond, Wash.

Location.- Water-stage recorder, lat. 47°40'10", long. 122°07'25", in NE£ sec. 11, T. 25 

KI., R. 5 E., 500 feet downstream from Bear Creek and half a mile west of Redmond. 

Prior to Nov. 14, 1946, staff gage at site on left shore of Sammamish Lake 0.6 mile 

upstream from outlet and 1.8 miles south of Redmond. Datum of gage was 32.13 feet 

above mean lower low water at Seattle (Corps of Engineers bench mark). On July 9, 

1947, datum was lowered about Ij feet.

Drainage area.- 140 square miles.

Records available.- January 1939 to September 1947.

Extremes.- Maximum discharge during year, 924 second-feet Dec. lb, 1C (gage height, 6.40 

"" feet, datum then in use); minimum, 59 second-feet Aug. 27 (gage height, 1.05 feet).

1939-47: Maximum discharge, that of Dec. 15, 16, 1946; mini-rum observed, 51 secondfeet Sept. 27, 30, Oct. 1, 1939.

Remarks.- Records 

gage-height recc_ 

small diversions 

on tributaries.

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26

27 

28 

29 

30 

31

Oct.

109 

111 

112 

112 

114

116 

116 

118 

121 

122

124 

124 

124 

125 

128

129 

130 

131 

134 

14ft

144 

154 

152 

153 

157

168 

174 

174

175 

177 

178

Nov.

178 

179 

178 

175 

174

174 

173 

171 

169 

174

174 

170 

170 

162 

162

158 

168 

250 

255 

255

255 

310 

369 

402 

436

448 

472 

484 

496 

484

Dec.

484 

520 

532 

568 

644

657 

670 

670 

683 

683

722 

787 

852 

900 

924

924 

900 

876 

864 

839

813 

787 

761 

735 

709

683

670 

657 

644 

631 

618

Jan.

605 

580 

568 

544 

544

532 

520 

496 

484 

484

496 

496 

484 

472 

448

448 

448 

460 

496 

484

484 

484 

496 

532 

580

631 

644 

644 

644 

631 

618

Month ,S.«

Octc 

Nove 

Dece

Cs

Jam 

Febt 

Marc 

Apri 

May 

June 

Julj 

Augv 

Sept

Ws

lendar year I94e

ember .....................

Feb.

631 

722 

748 

748 

735

722 

709 

696 

683 

670

670 

670 

670 

722 

722

709 

709 

696 

a680 

670

657 

644 

631 

618 

605

592 

580 

568

ond-

-days

4,246 

7,825 

2,407

7,143

6,477 

8,877 

4,134 

0,833 

6,668 

4,574 

3,272 

2,108 

2,089

iter year 1946-47 .......... 113,510

Mar.

556 

544 

532 

532 

508

496 

496 

496 

496

520

508 

496 

484 

472 

472

460 

448 

436 

424 

424

413 

424 

413 

402 

402

391 

380 

380 

369 

380 

380

Maximum

178 

496 

924

924

644 

748 

556 

402 

295 

166 

130 

83 

76

924

Apr.

380 

380 

380 

380 

380

380 

369 

380 

391 

402

391 

380 

380 

369 

358

347 

358 

369 

380 

369

358 

358 

347 

336 

336

325 

315 

315 

315 

305

May

295 

295 

285 

275 

265

265 

255 

250 

250 

240

236 

232 

227 

222 

214

209 

204 

200 

196 

191

186 

186 

182 

178 

170

170 

166 

162 

158 

154 

150

Minimum

109 

158 

484

72

448 

568 

369 

305 

150 

135 

83 

61 

63

61

June

150 

150 

150 

d!45 

d!40

d!45 

d!60 

166 

158 

166

162 

158 

158 

158 

154

166 

162 

158 

154 

154

150 

d!50 

d!45 

d!40 

d!35

d!45 

d!60 

d!50 

d!45 

d!40

July

d!30 

d!30 

d!30 

d!30 

d!25

d!25 

d!25 

124 

115 

112

110 

112 

108 

106 

110

105 

103 

101 

98 

96

95 

91 

89 

90 

88

88 

86 

95 

87 

84 

83

Per 

Mean square 

mile

137 0.979 

261 1.86 

723 5.16

348 2.49

532 3.80 

674 4.81 

456 3.26 

361 2.58 

215 1.54 

152 1.09 

106 .757 

68.0 .486 

69.6 .497

311 2.22

Aug.

83 

81 

81

77 

76

75 

72 

70 

69 

69

67 

67 

67 

67 

66

66 

65 

64 

64 

64

63 

63 

63 

62 

62

61 

61 

61 

62 

73 

67

Sept.

66 

64 

64 

63 

63

64 

69 

68 

74 

74

70 

69 

67 

66 

66

69

76 

73 

72 

72

72 

72 

72 

72 

72

72 

72 

72 

72 

72

Runoff

Inches

1.13 

2.08 

5.95

33.77

4.33 

5.01 

3.75 

2.88 

1.77 

1.22 

.87 

.56

30.15

Acre-feet

8,420 

15,520 

44,440

252,200

32,680 

37,440 

28,030 

21,490 

13,230 

9,070 

6,490 

4,180 

4,140

225,100

a No gage-height record; discharge computed on basis of records for station near Bottrell. 

d Doubtful gage-height record; discharge computed on basis of 1 discharge measurement and records 

for station near Bothell. 

Note . - Shifting-control method used Oct. 1 to Dec. 25, July 9 to Aug. 1O.

903681 O - 50 - 9
120 LAKE WASHINGTON BASIN

Sammamish River at Bothell, Wash.

Location.- Water-stage recorder, lat. 47°45'00", long. 122°11'30", in NW^SE^ see. 8, T. 

V5 N . R - 5 E. , in Bothell, a quarter of a mile downstream from North Creek and 4£ 

miles upstream from mouth. Datum of gage is at mean lower low water at Seattle 

(Corps of Engineers bench mark).

Drainage area.- 199 square miles.

Records available.- October 1939 to September 1947.

Extremes.- Maximum discharge during year, 1,290 second-feet Feb. 2 (elevation, 33 81 

reetj; minimum, 77 second-feet Aug. 26 (elevation, 24.29 feet).

1939-47: Maximum discharge, that of Feb. 2, 1947; minimum, 63 second-feet Aug. 

30, 1944; minimum elevation, 24.29 feet Aug. 26, 1947.

Remarks.- Records excellent except those for periods of shifting control or no gageheight record, which are fair. No known diversion or regulation.

Rating table, water year 1946-47, except period of shifting control 

(gage height, In feet, and discharge, In second-feet)

24.3 78 26.0 E82 30.0 937 

24.5 98 26.5 352 31.0 1,130 

24.7 120 27.0 424 31.6 1,250 

25.0 155 28.0 579 

25.5 £17 29.0 751

Discharge, in second feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29

30 

31

Oct.

130 

135 

135 

135 

135

135

140 

140 

145 

145

145 

150 

150 

150 

150

150 

155 

155 

160 

165

173 

179 

179 

198 

224

224 

210 

198 

217 

236 

236

Nov.

256 

236 

224 

217 

210

210 

217 

210 

217 

250

243 

224 

217 

217 

210

210 

243 

424 

380 

345

331 

484 

612 

595 

579

547 

595 

563 

531 

515

Dec.

499 

595 

612 

697 

805

751 

733 

769 

769 

733

751 

861 

956

975 

1,050

1,090 

1,090 

1,070 

1,050 

1,030

1,010 

975 

918 

899 

861

823 

861 

823 

787 

751 

715

Jan.

697 

663 

629 

612 

595

595

579 

547 

547 

579

612 

595 

579 

547 

531

531 

563

612 

680 

629

612 

612 

629 

769 

861

956 

937 

899 

861 

823 

787

Month ff«

Octo 

Nove 

Dace

Ca

Jami 

Febr 

Hare 

Apri 

Hay 

June 

July 

Augu 

Sept

ffa

mber ......................

lendar year 1946 

ary ...

1

ember .................. . .

Feb.

823 

1,210 

1,250 

1,170 

1,090

1,030 

994 

937 

899 

880

861 

899 

937 

1,090 

1,110

1,050 

994 

937 

899 

899

842 

823 

787 

769 

733

715

680 

663

ond-

-days

5,179 

10,312

26,309

59,038

20,668 

25,971 

16,582 

13,312 

7,980 

5,548 

3,857 

2,784 

2,939

ter year 1946-47 .......... 141,441

Mar.

646 

629 

612 

595 

579

563 

579 

579 

595 

663

629 

595 

579 

563 

547

531 

515 

515 

499 

484

484 

515 

484 

469 

454

454 

454 

439 

424 

454 

454

Maximum

236 

612 

1,090

1,090

956 

1,E50 

663 

515 

366 

217 

161 

119 

118

1,250

Apr.

484 

469 

454 

469 

469

454 

439 

469 

515 

515

499 

469 

454 

439 

4E4

409 

424 

469 

469 

484

454 

439 

424 

409 

409

394 

380 

380 

380 

366

May

366 

352 

345 

331 

324

317 

310 

303 

310 

296

282 

276 

276 

269 

256

256 

250 

243 

243 

230

224 

217 

210 

204 

198

191 

185 

185 

179 

179 

173

Minimum

130 

210 

499

99

531 

663 

424 

366 

173 

161 

102 

79 

87

79

June

173 

173 

173 

167 

161

173 

173 

210 

204 

217

204 

198 

191 

191

185

217 

204 

191 

191 

185

179 

173 

173 

167 

161

179 

198 

191 

179 

167

1947

July

161 

155 

155 

155

143

143 

138 

133 

131 

129

128 

132 

128 

124 

132

126 

120 

119 

118 

112

110 

108 

107 

106 

104

102 

104 

117 

110

102 

105

Per 

Mean square 

mile

167 0.839 

344 1.73 

849 4.27

436 2.19

667 3.35 

9E8 4.66 

535 2.69 

444 2.23 

257 1.29 

185 .930 

124 .623 

89.8 .451 

98.0 .492

388 1.95

Aug.

99 

99 

96 

95 

93

91 

90 

90 

90 

91

93 

91 

90 

88 

88

90 

88 

86 

86 

86

85 

84 

84 

82 

80

79 

90 

81 

82 

119 

108

Sept.

93 

89 

89 

87 

87

88 

100 

100 

118 

113

101 

98 

94 

92

92

97 

110 

108 

103 

100

98 

98 

98 

98 

98

98 

98 

98 

98 

98

Runoff

Inches

0.97 

1.93 

4.92

29.73

3.86 

4.85 

3.10 

2.49 

1.49 

1.04 

.72 

.52 

.55

26.44

Acre feet

10,270 

20,450 

52,180

315,400

40,990 

51,510 

3E.890 

26,400 

15,830 

ll.OOO 

7,650 

5,520 

5,830

E80,500

Note.- No gage-height record Oct. 1-20, Sept. 18-30; discharge computed on basis of recorded 

range in stage and records for station near Redmond. Shifting-control method used Oct. 21 to Dec. 

15.
LAKE WASHINGTON BASIN 121

Bear Creek near Redraond, Wash.

Location.- Water-stage recorder, lat. 47°43'00", long. 122°04'30", in Sw£ sec. 20, T. 26 

N. , R. 6 E., 1 mile upstream from Cottage Lake Creek and 85- miles north of Redmond.

Records available.- June 1945 to September 1947.

Extremes.- Maximum discharge during year, 196 second-feet Feb. 2 (gage height, 3.83 feet); 

minimum, 3.9 second-feet Aug. 27 (gage height, 1.40 feet).

1945-47: Maximum discharge, that of Feb. 2, 1947; minimum, 3.1 second-feet Aug. 22, 

1946 (gage height, 1.34 feet).

Remarks.- Records good except those for periods of no gage-height record, which are fair. 

No diversion or regulation.

Rating table, water year 1946-47 (gage height, in fee

and discharge, in second-feet)

(Shifting-control method used Oct. 1-24, Nov. 17 to Dee 

Dec. 16 to Jan. 14, June 10-19, Sept. 16-3O)

1.48 

1.6

3.0 116

3.3 143

3.7 183

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7

e

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

8.3 

7.9 

7.5 

9.2 

9.2

8.3 

11 

11 

9.2 

8.8

8.3 

7.9 

7.9 

8.8 

8.8

8.3 

8.3 

8.3 

8.8 

17

16 

15 

14

17 

23

19 

15 

12 

14 

15 

16

Nov.

28 - 

21 

15 

13 

11

11 

11 

11

11 

19

18 

15 

14 

12 

12

12 

20 

54 

44 

32

22 

52 

87 

102 

99

90 

88 

79 

64 

49

Dec.

41 

65 

67 

89 

126

100 

85 

80 

74 

66

83 

128 

147 

136 

121

95 

74 

59 

50 

45

40 

36 

33 

30 

28

28 

42 

34 

32 

30 

28

Jan.

26 

24 

24 

24 

24

22 

21 

19 

19 

28

34 

39 

34 

32 

a32

a32 

a38 

a60 

71

71

67 

67 

74 

93 

107

132 

122 

101 

79 

65 

 53

Feb.

68 

181

166 

127 

96

76 

63 

54 

47 

43

45 

54 

68 

123 

114

92

73 

60 

51 

45

41 

40 

36 

34 

31

30

28 

26

Month

Goto 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Apri 

May.

June 

July 

Augu 

Sept

Wa

lendar year 1945 

ary ... . .

1.. .....................................

ter year 1945-47 .......................

Mar.

25 

24 

24 

24 

23

22 

25 

28 

32 

42

38 

33 

30 

27

26

24 

23 

22 

21

20

23 

32 

27 

24

22 

21 

19 

19

27 

28

Apr.

31 

30 

26 

28 

27

25 

24 

31 

45 

48

41 

34 

30 

26 

24

21 

23 

29 

36 

32

28 

25 

23 

22 

20

18 

17 

16 

17 

16

Secondfoot -days

358.8 

1,116

2,092

10,598.2

1,634 

1,912

797 

813 

324.8 

307.9 

216. E 

208.7 

274.2

10,054.6

May

16 

15 

16 

14 

12

12 

11 

11 

13 

11

11 

11 

12 

11 

11

11 

9.6 

9.6 

10 

9.6

9.2

8.8 

8.8 

8.3 

7.9

7.5

7.5 

7.5 

7.5 

7.5 

7.5

Maximum

23 

102 

147

147

132 

181 

42 

48 

16 

15 

9.6 

12 

13

181

June

7.9 

9.2 

9.6 

8.3 

7.9

8.3 

11 

15 

14 

15

12 

11 

11 

9.6 

14

13 

11 

10 

9.6 

a9.0

a8. 5 

aS.O 

aS.o 

a7.5 

a7.5

a8. 5 

al3 

al2 

alO 

a8. 5

Minimum

July

a7.6 

a7.4 

7.6 

7.2 

6.8

6.8 

6.8 

6.5 

7.5 

6.5

6.5

7.2 

6.8 

6.8

7.9

7.2 

6.8 

6.5 

6.5

7.2

6.5 

6.1 

6.1 

6.5 

6.5

6.5 

7.5 

9.6 

7.5 

6.8 

6.5

7.5 

11 

28

3.7

19 

26 

19 

16 

7.5 

7.5 

6.1 

6.1 

6.8

6.1

Aug.

6.5 

6.5 

6.5 

6.1 

6.1

6.1 

6.1 

6.5 

6.5 

6.5

6.5 

6.5 

6.5 

6.5 

6.5

6.5 

6.5 

6.5 

6.5 

6.8

6.5 

6.5 

6.5 

6.5 

6.8

6.5 

6.5 

6.5 

6.5 

12 

9.2

Mean

11.6 

37.2 

67.5

29.0

52.7 

68.3 

25.7 

27.1 

10.5 

10.3 

6.97 

6.73 

9.14

27.5

Sept.

8.3 

7.9 

7.2 

7.2 

6.8

7.2 

8.8 

9.2 

12 

11

9.2 

7.9 

7.5 

6.8 

6.8

12 

13 

11 

10 

9.6

10 

9.2 

9.2 

9.2 

9.2

9.6 

9.6 

9.6 

9.6 

9.6

Runoff In 

acre-feet

712 

2,210 

4,150

21,020

3,240 

3,790 

1,580 

1,610 

644 

611 

429 

414 

544

19,930

recot>d; discharse computed on basis of re6orded range in stage and records for
LAKE WASHINGTON BASIN

Bear Creek at Redmond, Wash.

Location.- Water-stage recorder,'lat. 47°40'10", long. 122°06'30", in NE^ sec. 12, T. 25 

N., R. 5 E., half a mile east of Redmond and three-quarters of a mile upstream from 

mouth. .

Drainage area.- 47.0 square miles.

Records available.- June 1945 to September 1847.

Extremes.- Maximum discharge during year, 416 second-feet Feb. 2 (gage height, 6.10 feet); 

minimum, 13 second-feet Aug. 26 (gage height, 1.88 feet).

1945-47: Maximum discharge, that of Feb. 2, 1947; minimum, that of Aug. 26, 1947.

Remarks.- Records excellent except those for period of shifting control, which are fair, 

and those for period of no gage-height record, which are poor. Many small diversions 

for irrigation and domestic use. No regulation.

Rating table, water year 1946-47 except period of shifting control 

(gage height, in feet, and discharge, In second-feet)

1.9 

2.1 

2.3 

2.5 47

2.8 

3.1 

3.5 

4.0

136

198

4.5 257

5.O 31O

5.5 359

6.0 406

Discharge, in second feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct

27 

26 

26 

29 

30

28 

34 

33 

30 

28

27 

27 

27 

30

28

27 

26 

27 

28

44

43 

39 

39 

47 

60

60 

48 

41 

46 

53 

46

Nov.

63 

52 

44 

40 

38

39 

39 

38 

38 

55

49 

46 

40 

38 

38

36 

50 

137 

107 

86

71 

154 

234 

257 

246

216 

210 

185 

148 

118

Dec.

102 

153 

150 

210 

330

274 

216 

198 

166 

144

185 

310 

378 

368 

359

289 

216 

178 

158 

136

120 

107 

96 

88 

83

82 

105 

84 

83 

75 

73

Jan.

71 

66 

62 

60 

62

61 

59 

56 

56 

74

87 

96 

87 

376 

a78

a77 

76 

103 

178 

158

144 

152 

172 

222 

268

310 

289 

240 

192 

166 

138

Month

Goto 

Nova 

Dece

Ca

Janu 

Febr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

Wa

mber . . ...................

lendar year 1946 .........

ary

h . . . . ..... ..............

1 . . . .....................

st ........................

ember .....................

ter year 1946-47 ..........

Feb.

170 

397 

4O6 

349 

279

222 

185 

166 

147 

135

141 

160 

198 

330 

299

252 

216 

185 

158 

138

128 

121 

113 

106 

96

86 

82 

78

Secondf oot-days

1,104 

2,912 

5,516

31,008

3,936 

5,343 

£,429 

2,386 

1,023 

91B 

661 

556.5 

753

27,535.5

Mar.

75 

74 

78 

82 

74

71 

79 

89 

97 

131

107 

94 

85 

81 

77

73 

70 

66 

65 

63

70 

92 

78 

70 

69

68 

64 

61 

60 

81 

85

Maximum

60 

257 

378

378

310 

406 

131 

125 

47 

48 

30 

32 

33

406

Apr.

94 

87 

79 

88 

85

78 

74 

90 

125 

124

109 

95 

86 

78 

72

67 

71 

98 

107 

92

78 

70 

64 

61 

58

54

51 

50 

52 

49

May

47 

47 

46 

42 

40

39 

37 

37 

42 

38

36 

34 

36 

34 

33

32 

31 

31 

32 

31

28 

28 

26 

26 

26

25 

23 

23

24 

25 

24

Minimum

26 

36 

73

17

56 

78 

60 

49 

23 

22 

17.5 

15.5 

19

15.5

June

25 

28 

26 

24 

24

26 

32 

48 

37 

44

36 

32 

31

30 

27

40 

34 

31 

31 

30

27 

25 

24 

22 

22

28 

37 

35 

32 

28

Mean

35.6 

97.1 

178

85.0

127 

191 

78.4 

80.0 

33.0 

30.5 

21.3 

18.0 

25.1

75.4

July

2f 

24 

25 

24 

22

22 

22 

21 

22 

22

21

24 

22 

21 

25

22 

20 

19 

19.5 

19.5

19 

18 

17.5 

18 

18

19 

19.5 

30 

22 

19 

19

Per 

square 

mile

0.757 

2.07 

3.79

1.81

2.70 

4.06 

1.67 

1.70 

.702 

.649 

.453 

.383 

.534

Aug.

18.5 

18.5 

17.5 

17.5 

17

17 

16.5 

16.5 

17 

17.5

17.5 

17.5 

17 

17.5 

17

18 

17.5 

16.5 

17 

17.5

17 

17.5 

17.5 

17 

17

15.5 

16 

16.5 

17 

32 

27

Sept.

23 

22 

20 

19

21

22 

27 

26 

33 

33

27 

26 

24 

23 

23

28 

33 

28 

25 

25

25 

25 

23 

24 

24

25 

25 

25 

24 

25

Runoff

Inches

0.87 

2.30 

4.36

24.52

3.11 

4.23 

1.92 

1.89 

.81 

.72 

.52 

.44 

.60

1.60 21.77

Acre-feet

2,190 

5,780 

10,940

61,500

7,810 

10^600 

4,820 

4,730 

2,030 

1,820 

1,310 

1,100 

1,490

54,620

Peak discharge.- Dec. 13 (12 p.m.) 378 sec. -ft.; Feb. 2 (2:30 p.m.) j4l6 sec. -ft.

Note.- Shifting-control method used Apr. 19 to Sept. 11.
LAKE WASHINGTON BASIN 

North Creek near Bothsll, Wash.

123

Location.- Water-stage recorder, lat. 47°47'30", long. 122°11'50", on line between sees, 

ay and 32, T. 27 N., R. 5 E., 2 miles north of Bothell and 2j miles upstream from 

mouth.

Drainage area.- 18.7 square miles.

Records available.- July 1945 to September 1947.

Extremes.- Maximum discharge during year, 420 second-feet Feb. 2 (gage height, 5.29 feet); 

minimum, 1.9 second-feet (regulated) July 23 (gage height, 0.52 foot).

1945-47: Maximum discharge, that of Feb. 2, 1947; minimum, 1.0 second-foot (regulated) Aug. 10, 1946 (gage height, 0.45 foot).

Remarks.- Records good. Many small diversions for irrigation and domestic use. Slight 

regulation for farm use.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

:.o

:.i :.2 :i3

:i4 :is

:ie

:LT :is

.19

120

;2i

122 ;23

24

25

'26

!Z7

28

29

.30

31

Oct.

9.S

' 8.5

8.2

10

9.5

9.2

13

11

9.2

8.5

8.2

8.5

8.5

8.8

7.9

7.9

8.2

8.2

8.8

15

12.5

15

13

17

19.5

15

11.5

11

18

19.5

18.5

Nov.

19.5

14.5

13

11

12

11.5

12

11.5

13.5

22

16.5

13

12.5

11.5

11

11

23

64

35

25

20

81

124

87

77

59

71

46

35

28

-

Dec.

34

58

70

124

131

85

69

107

80

63

91

132

130

101

87

66

52

44

41

38

36

33

3O

29

27

29

54

35

29

25

25

Jan.

24

22

20

19.5

20

21

20

19

18.5

36

37

39

35

31

t 32

31

45

71

75

60

57

54

55

134

176

211

157

117

86

72

58

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March .........................

April .........................

Uav May ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

130

378

282

171

124

102

88

77

68

63

80

102

136

240

170

120

93

77

67

63

63

59

55

50

46

43

40

38

-

-

-

Second 

foot-days

357.4

991.0

1,955

13,343.2

1,853.0

3,025

1,037.0

814.5

352.9

309.9

222.3

188.7

219.2

11,325.9

Mar.

36

36

34

33

31

30

41

46

54

75

56

47

41

38

34

32

30

27

26

25

28

32

26

24

22

21

20

19.5

19.5

28

25

Maximum

19.5

124

132

238

211

378

75

44

18

14.5

8.2

16

11

378

Apr.

33

27

24

27

26

23

22

32

44

41

33

27

24

22

19.5

17.5

26

33

39

42

35

29

25

24

22

19.5

18

19

21

20

-

May

18

17.5

16

 14.5

13.5

13

13

13.5

16

13

12.5

12.5

14.5

12.5

11.5

11.5

11

11

11

10.5

9.5

8.8

7.9

7.6

7.4

6.8

6.8

7.6

8.2

7.9

7.9

Minimum

7.9

11

25

5.1

18.5

38

19.5

17.5

6.8

7.1

6.O

4.7

6.0

4.7

June

8.8

9.5

9.2

7.9

9.3

10.5

12.5

14

13

14.5

11.5

10.5

1O.5

11

9.2

14

11.5

10.5

10

9.5

8.5

7.9

7.6

7.1

7.4

9.5

13.5

12.5

10

8.5

-

Mean

11.5

33.0

63.1

36.6

59.8

108

33.5

27.2

11.4

10.3

7.17

6.09

7.31

31.0

July

7.9

7.9

8.2

7.9

7.4

7.4

7.4

7.1

7.1

7.1

7.6

8.2

7.1

7.9

8.2

7.1

6.8

6.8

6.8

6. .3

6.5

6.3

6.0

6.5

6.3

6.3

6.8

7.9

6.8

6.5

8.2

Per 

square 

mile

0.615

1.76

3.37

1.96

3.20

5.78

1.79

1.45

.610

.551

.383

.326

.391

1.66

Aug.

6.0

6.8

5.5

4.9

4.7

4.9

5.1

5.3

5.5

6.0

6.0

5.5

5.1

5.1

5.5

6.0

6.3

6.0

5.8

5.8

5.5

6.0

6.3

5.8

5.5

5.5

5.5

6.0

6.0

16

8.8

Sept.

6.5

6.0

6.8

6.3

6.3

7.5

10.5

8.8

11

8.2

7.1

6.3

6.3

6.3

6.5

7.6

8.2

7.4

6.8

6.8

6.5

7.2

6.8

6.8

7.1

7.4

7.6

7.4

7.6

7.6

-

Runoff

Inches Acre feet

0.71 709

1.97 1,970

3.83 3,880

26.5? 26,480

3.63 3,680

6.0? 6,000

2.03 2,060

1.6? 1.62O

.71 700

. 62 615

.44 441

. 33 374

.44 435

22.54 22,480
124 LAKE WASHINGTON BASIN

McAleer Creek near BothelJ, Wash.

Location.- Water-stage recorder, lat. 47°45'30", long. 1£2°17'25", in NE£ sec. 9, T. 26 

N., K. 4 E., 1 mile upstream from mouth and 4 miles west of Bothell.

Drainage area.- 8.7 square miles.

Records available.- June to October 1945, December 1946 to September 1947.

Extremes.- Maximum discharge during period December to September, 102 second-feet Feb. 1 

(gage height, 2.02 feet), from rating curve extended above 18 second-feet; minimum, 1.8 

second-feet Aug. 25, 26 (gage height, 0.94 foot).

1945-47: Maximum discharge, that of Feb. 1, 1947; minimum, 1.6 second-feet Aug. 20- 

22, 1945 (gage height, 0.72 foot).

Remarks.- Records fair except those above 50 second-foet, which are poor. Many small 

diversions for irrigation and domestic use. No regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct. Nov. Dec.

7.4

Jan.

7.0

6.8

6.5

6.2

5.9

5.9

5.6

5.6

5.6

7.0

7.4

8.0

8.0

7.4

6.8

6.5

7.0

9.7

11

12.5

11.5

10.5

11.0

17.5

41

49

46

40

32

26

21

Month

October .......................

November ......................

December .....................

Calendar year ....... .

January .......................

February . ............... . . .

March ........ .............. .

April ................... ... .

May ...........................

June .................... .....

July ........................ .

August ........ ............. .

September ................... .

The period. ........ .........

Feb.

34

66

66

59

47

41

34

28

22

21

23

28

34

48

45

41

33

28

23

21

19

17.5

16.5

15.5

15.5

13

12.5

12

-

_

-

Secondfoot-days

.

_

_

-

451.9

863.5

292.5

171.6

114.9

115.1

74.4

74.1

89.1

-

Mar.

12

11.5

12

11.5

11.5

11

11.5

12.5

15

20

15

13

11

10

9

8.5

8

7

7

6.5

7.5

8.5 '7

6.5

6

5.5

5.5

5

5

6.5

6

Maximum

.

_

_

-

49

66

20

7.0

5.1

4.9

2.8

4.2

3.6

-

Apr.

7

6

5.5

6

6

5.5

5.5

6

7

6.5

6

5.5

5

5

4.5

5

5.5

6.8

7.0

6.8

6.2

5.6

5.9

5.6

5.6

5.1

4.6

4.9

5.1

4.9

-

May

4.6

5.1

4.6

4.4

4.4

4.0

4.0

3.8

4.4

4.0

3.8

4.0

4.0

3.8

3.8

3.6

3.6

3.8

3.8

3.5

3.3

3.3

3.2

3.2

3.0

3.0

3.0

3.0

3.0

3.0

2.9

Minimum

_

_

_

-

5.6

12

5

4.5

2.9

2.7

2.3

2.1

2.4

-

June

3.2

3.2

3.0

2.9

4.5

4.9

4.9

4.9

4.4

4.6

4.2

4.0

4.0

3.8

3.6

, 4.6

4.0

3.8

3.8

3.6

3.3

3.2

3.3

3.5

3.9

4.1

4.2

3.9

3.1

2.7

-

Mean

_

_

_

-

14.6

30.8

9.44

5.72

3.71

3.84

2.40

2.39

2.97

-

July

2.4

2.4

2.5

2.3

2.3

2.3

2.3

2.4

2.3

2.3

2.5

2.6

2.4

2.4

2.6

2.4

2.3

2.4

2.4

2.3

2.3

2.3

2.3

2.5

2.3

2.4

2.5

2.8

2.4

2.3

2.5

Per 

square 

mile

_

_

_

-

1.68

3.54

1.09

.657

.426

.441

.276

.275

.341

-

Aug.

2.4

2.4

2.2

2.4

2.4

2.3

2.3

2.2

2.4

2.4

2.5

2.3

2.3

2.2

2.4

2.5

2.3

2.5

2.4

2.3

2.3

2.2

2.2

2.2

2.2

2.1

2.2

2.2

2.4

4.2

2.8

Sept.

2.5

2.5

2.4

2.5

2.5

3.0

3.3

3.0

3.6

3.0

2.8

2.8

2.6

2.8

2.8

3.2

3.2

3.0

3.2

3.0

3.0

3.0

3.0

3.0

3.2

3.2

3.2

3.2

3.3

3.3

-

Runoff

Inches Acre feet

-

_

.

-

1.93 896

3.69 1,710

1.25 580

.73 340

.49 228

.49 228

.32 148

.32 147

.38 177

4,450

Note.- No gage-height record Mar. 6 to Apr. 17, June 24 to July 6; discharge coimuted on basis of 

recorded range in stage and record for North Creek near Bothell.
SNOHOMISH RIVER BASIN 125

South Pork Skykomish River near Skykomish, Wash.

Location.- Water-stage recorder, lat. 47°42'20", long. 121°18'30", in NWi-NEij sec. 31, T. 

£o' N., R. 12 E., a quarter of a mile downstream from Poss River and 2} miles east of 

Skykomish.

I'ralnage area.- 135 square miles.

Eecords available.- August 1929 to September 1931, July 1946 to September 1947.

E.xtremes. - Maximum discharge during year, 6,410 second-feet Dec. 11 (gage height, 8.23 

reet); minimum not determined, occurred sometime during period of no gage-height record in October.

1929-31, 1946-47: Maximum discharge, that of Dec. 11, 1946; minimum not determined, 

probably occurred sometime during period Jan. 10-31, 1930, when stage-discharge relation was affected by ice.

Femarks.- Records excellent except those for periods of no gage-height record, which arc 

fair. No diversion or regulation.

Hating table, water year 1946-47 (gage height, In feet, 

and discharge, In second-feet)

1.2 175 2.5 523 4.5 1,600 

1.4 216 3.0 733 5.0 1,96O 

1.7 285 3.5 980 6.0 2,880 

2.0 363 4.0 1,270 7.3 4,680

Discharge, in second-feet, *ater year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29

30 

31

Oct.

206 

195 

189 

212 

216

199 

210 

210 

195 

189

a!80 

a!70 

al70 

201 

191

a!82 

a!80 

a!76 

a!76 

445

491 

522 

665 

1,560 

3,680

1,650 

1,100 

830 

687 

581 

561

Nov.

581 

505 

470 

437 

437

453 

453 

421 

406 

406

377 

355 

341 

328 

318

302 

344 

421 

406 

363

339 

339 

391 

391 

618

880 

1,040 

930 

756 

622

Dec.

542 

643 

710 

955 

930

905 

830 

880 

830 

1,550

4,590 

2,290 

3,360 

3,710 

2,200

1,530 

1,180 

980 

880 

780

756 

756 

687 

622 

601

581 

561 

505 

487 

453 

437

Jan.

421

391 

377 

363 

377

360 

344 

339 

331 

505

487 

453

406 

363 

352

363 

347 

377 

421 

377

453 

752 

2,370 

3,480 

2,460

2,270 

1,520 

1,180 

955 

855 

733

Month fS£

Octc

Nove 

Dece

Ca

Jami 

Febi 

Hare 

Apr! 

May 

June 

July 

Augu 

Sept

We

mber ........... ..........

lendar year 

ary

Feb.

733 

1,180 

930 

780 

710

665 

622 

581 

542 

505

523 

643 

1,000 

1,670 

1,600

1,240 

1,030 

905 

805 

733

710 

710 

710 

710 

665

622 

581 

542

ond-

-days

16,419 

14,430 

56,721

.........

1

ember .....................

54,782 

22,647 

>5,321 

58,094 

31,150 

15,270 

'4,054 

L0,821 

9,683

ter year 1946-47 .......... 329,392

Mar.

505 

487 

505 

505 

487

453 

437 

421 

421 

470

561 

523 

505 

581 

733

955 

1,240 

1,360 

1,360 

1,360

1,390 

1,560 

1,270 

1,090 

955

855 

780 

756 

756 

980 

1,060

Maximum

3,680 

1,040 

4,590

-

3,480 

1,670 

1,560 

2,120 

2,990 

2,120 

1,120 

505 

688

4,590

Apr.

1,030 

980 

905 

830 

756

710 

665 

665 

687 

780

?eo

756 

880 

1,150 

1,420

1,500 

1,640 

2,040 

2,120 

1,960

1,530 

1,360 

1,270 

1,240 

1,240

1,460 

1,880 

2,040 

2,040 

1,780

May

1

2 

2 

1 

1

2 

2 

2 

2 

1

1 

1 

1 

1

1

1 

1 

1 

1 

1

1 

1 

2 

2 

2

2 

2 

2 

2 

1 

1

Minimum

170 

302 

437

-

331 

505 

421 

665 

1,330 

1,030 

505 

254 

245

170

,70O 

,200 

,040 

,880 

,880

,290 

,670 

,470 

,200 

,810

,600 

,60O 

,460 

,360 

,330

,500 

,420 

,330 

,560 

,700

,960 

,960 

,040 

,290 

,570

,770 

,990 

,670 

,20O 

,960 

,740

June

1,670 

1,810 

1,810 

1,640 

1,560

1,780 

1,780 

2,040 

2,120 

1,960

1,600 

1,460 

1,420 

1,460 

1,300

1,500 

1,640 

1,420 

1,330 

1,150

1,030 

1,060 

1,180 

1,300 

1,300

1,570 

1,810 

1,390 

1,150 

1,030

Mean

530 

481 

1,185

-

799 

809 

817 

1,270 

1,973 

1,509 

776 

349 

323

902

Peak discharge.- Oct. 25 (lO a.m.) 4,510 sec. -ft.; Dec. 11 (6:30 a.m.)

1947

July

1,060 

1,120 

1,030 

955 

980

980 

905 

855 

830 

830

855 

880 

830 

830 

305

805 

780 

780 

756 

G87

643 

622 

581 

561 

505

523 

523 

756 

622 

542 

523

Per 

square 

mile

3.93 

3.56 

8.78

-

5.92 

5.99 

6.05 

9.41 

14.6 

11.2 

5.75 

2.59 

2.39

6.68

Aug.

505 

505 

487 

470 

453

421

406 

406 

391 

363

352 

352 

350 

355 

347

341

331 

32.5 

305 

290

280 

268 

266 

261 

259

261 

256 

254 

266 

377 

320

Sept

292

285 

278 

280 

266

250 

302 

391 

688 

574

421 

363 

344 

313 

288

391

377 

328 

298 

278

275 

288 

280 

271 

271

271 

266 

259 

250 

245

Runoff

Inches

4.52 

3.98 

10.12

-

6.83 

6.24 

6.98 

10.49 

16.85 

12.47 

6.F3 

2.P8 

2.67

90.76

Acre feet

32,570 

28,620 

72,840

-

49,150 

44,920 

50,220 

75,560 

121,300 

89,790 

47,710 

21,460 

19,210

653,400

6,410 sec. -ft.; Dec. 14

Ua.m.J 4,350 sec.-ft.; Jan. 24 (6:30 a.m.) 4,350 sec.-ft.

a No gage-height record; discharge computed on basis of records for station near Index.
SNOHOMISH RIVER BASIN

South Fork Skykomish River near Index, Wash.

Location.- Water-stage recorder, lat. 47°48'20", lorg. 121°32 I 40", in NE^ sec. 29, T. 27 

H., K. 10 E., 600 feet upstream from Sunset Falls, 2 miles upstream from confluence 

with North Fork, and 2 miles southeast of Index. Datum of gage is 574.76 feet above 

mean sea level, datum of 1929. Discharge measurements made about 2 miles upstream from 

gage.

Drainage a^ea.- 355 square miles.

Records available.- October 1902 to September 1905, April 1911 to September 1947.

Average discharge.- 39 years, 2,305 second-feet.

Extremes.- Maximum discharge during year, 24,700 second-feet Dec. 11 (gage height, 16.37 

feet); minimum, 351 second-feet Oct. 19.

1902-5, 1911-47: Maximum discharge observed, 57,000 second-feet De3. 18, 1917 (gage 

height, 22.6 feet, site then in use); minimum observed, 214 second-feet Oct. 15-21, 23, 

1925.

Remarks.- Records excellent except these for period of shifting control, which are good. 

No diversion or regulation.

Rating tables, water year 1946-47, except periods of shifting control 

(gage height, in feet, and discharge, in second-feet)

Oct. 1 to Dec. 10 Dec. 11 to Sept. 30

332 3.0 796 4.5 1,960

457 3.3 1,000 5.0 2,410

558 3.6 1,230 6.0 3,390

671 4.0 1,550 7.0 4,490

Note.- Same as following table above 

7.0 feet.

l.Z 

2.4 

2.6 

2.8 

3.0

476

590

710

840

980

3.5 

4.0 

5.0 

6.0 

7.0

1,330

1,700

2,500

3,430

4,490

10.0

12.0

14.3

5,740

8,740

12,600

18,400

Discharge, in second feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

399 

395 

387 

416 

522

452 

457 

506 

457 

430

403 

387 

374 

404 

408

387 

374 

359 

359 

1,300

1,790 

1,670 

2,590 

7,310 

14,400

5,790 

3,190 

2,140 

1,710 

1 , 430 

1,350

Nov.

1,630 

1,350 

1,150 

1,070 

1,040

1,110 

1,190 

1,040 

965 

1,190

965 

896 

822 

783 

738

695 

944 

1,470 

1,270 

1,040

896 

862 

1,000 

1,310 

2,520

4,170 

4,530 

3,780 

2,790 

2,230

Dec.

1,830 

2,440 

2,790 

3,820 

4,040

3,390 

3,090 

3,600 

3,360 

7,090

18,400 

8,710 

13,300

14,600 

7,930

4,980

3,630 

2,950 

2,500 

2,180

2,100 

2,340 

2,180 

1,940 

1,820

1,820 

1,780 

1,580 

1,440 

1,330 

1,300

Jan.

1,220 

Xl20 

1,050 

980 

1,020

1,020 

910 

896 

854 

1,680

1,900 

1,620 

1,360 

1,190 

1,080

1,120 

1,020 

1,190 

1,580 

1,330

1,620 

3,260 

12,300 

15,400 

9,900

9,080 

5,220 

3,730 

2,950 

 2,500 

2,180

Feb.

2,150 

4,600 

3,230 

2,500 

2,180

2,020 

1,900 

1,820 

1,700 

1,580

1,740 

2,460 

4,700 

8,440 

7,040

4,730 

3,730 

3,040 

2,680 

2,340

2,260 

2,420 

2,420 

2,420

2,260

2,100 

1,900 

1,740

Month SecondMonth foot-days

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

Ha

lendar year 1946 ...... 

ary

52,551 

45,446 

34,260

973,112

h .............. .......

:

st .

ember .......... ..........

92,280 

82,100 

78,680 

12,500 

44,330 

02,400 

50,370 

19,746 

21,111

ter year 1946-47 .......... 935 774

Peak discharge.- C

(2 to 3 a.m.) 17,10C 

ft. 

Mote.- Shlfting-co

Mar.

1,62O 

1,540 

1,660 

1,740 

1,580

1,470 

1,400 

1,360 

1,360

1,640

2,180 

2,020 

1,780 

1,980 

2,500

3,130 

3,940 

4,160 

4,050 

3,940

4,050 

4,970 

3,830 

3,230 

2,770

2,500 

2,260 

2,100 

2,100 

2,590 

3,230

Maximum

14,400 

4,530 

18,400

18,400

15,400 

8,440 

4,970 

7,450 

6,710 

5,220 

2,590 

980 

2,080

18,400

Apr.

3,330 

3,130 

2,770 

2,500 

2,260

2,100 

2,020 

1,980 

2,020 

2,420

2,420 

2,260 

2,590 

3,430 

4,160

4,160 

4,610 

6,710 

7,450 

6,710

4,730 

3,940 

3,530 

3,430 

3,230

3,830 

4,970 

5,350 

5,610 

4,850

May

4 

5 

5 

4 

4

5 

6 

5 

5 

4

3 

3 

3 

3 

3

3 

3 

3 

4 

4

4 

4 

4 

5 

5

6 

6 

5 

4 

4 

3

Minimum

359 

695 

1,300

359

854 

1,580 

1,360 

1,980 

3,130 

2,340 

980 

454 

454

359

,490 

,870 

,350 

,730 

,730

,610 

,710 

,870 

,350 

,380

,830 

,940 

,530 

,130 

,130

,530 

,430 

,230 

,050

,160

,490 

,380 

,490 

,350

,610

,150 

,430 

,870 

,610 

,270 

,630

June

3,430 

3,830 

3,830 

3,430 

3,230

3,830 

3,830 

4,380 

5,220 

4,850

3,630 

3,230 

3,330 

3,330 

3,040

3,530 

3,830 

3,230 

2,950 

2,500

2,340 

2,420 

2,590 

2,860 

2,860

3,760 

4,490 

3,430 

2,770 

2,420

Mean

1,695 

1,515 

4,331

2,666

2,977 

2,932 

2,538 

3,750 

4,656 

3,413 

1,625 

537 

704

2,564

ct. 25 (6:30 a.m.) 18,700 see. -ft.; Dec. 11 (8 a.m.) 

sec. -ft.; Jan.--24 (6:30 a.m.) 19,300 sec. -ft.; Jan.

ntrol method use<l Oct. 26 to Dec. 10.

Julj

2, SOT 

2,590 

2,340 

2,103 

2,180

2,100 

1 , 900 

1,780 

1,780 

1,740

1,740 

1,820 

1,700 

1,700 

1,900

1,660 

1,580 

1,540 

1,470 

1,360

1,260 

1,190 

1,120 

1,050 

980

980

980 

1,620 

1,470 

1,160 

1,080

Per 

square 

mile

4.77 

4.27 

12.2

7.51

8.39 

8.26 

7.15 

10.6 

13.1 

9.61 

4.58 

1.79 

1.98

7.22

Aug.

980 

945 

910 

875 

833

770 

740 

716 

698 

674

650 

638 

626 

620 

608

608 

596 

573 

555 

532

515 

504 

498 

482

476

476 

465 

454 

454 

613 

662

Sept.

555 

526 

498 

493 

498

482 

555

1,080 

2,080 

1,820

1,160 

882 

740 

650 

596

722 

840 

704 

626 

584

555

544 

532 

515 

504

493 

482 

476 

465 

454

Runoff

Inches

5.51 

4.76 

14.07

101.94

9.67 

8.60 

8.24 

11.79 

15.12 

10.73 

5.28 

2.07 

2.21

98.05

Acre-feet

104,200 

90,140 

266,300

1,930,000

183,000 

162,800 

156,100 

223,100 

286,300 

203,100 

99,910 

39,170 

41,870

1,856,000

24,700 sec. -ft.; Dec. 14 

25 (12 p.m.) 14,000 sec.-
SNOHOMISH RIVER BASIN 127

Skykomish River near Gold Bar, Wash.

Location.- Water-stage recorder, lat. 47°50'15", long. m°40'00", in SW£ sec. 9, T. 27 

N., K. 9 E., 2 miles southeast of Gold Bar and 5 miles upstream from Wallace River 

and Startup. Datum of gage is 210.01 feet above mean sea level, unadjusted.

Drainage area.- 535 square miles.

Records available.- September 1928 to September 1947.

Average discharge.- 19 years, 3,598 second-feet.

Extremes.- Maximum discharge during year, 40,200 second-feet Dec. 11 (gage height, 14.86 

 feet); minimum, 523 second-feet Oct. 19 (gage height, 3.09 feet).

1928-47: Maximum discharge, 79,000 se?ond-feet Dec. 21, 1933 (gage height, 21.3 

feet); minimum, 382 second-feet Oct. 9, 1938 (gage height, 2.78 feet).

Remarks.- Records excellent. No diversion or regulation.

Rating table, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

530

780

1,070

1,400

1,980

7.0 

8.0

2,600

3,350

4,240

6,360

8,810

9.0

10.0

11.0

12.0

13.3

11,600

15,000

18,900

23,400

30,300

Discharge, in second-feet, water year October 1946 to September 1947

E'ay

1

2

3

4

5

6

7

8

9

..0

12

13

14

15

16

17

18

19

20

V.I

V.Z

23

VA!>5

:>6

Ji7

!!8

:so ;si

Oct.

626

610

602

658

843

717

717

834

744

682

642

610

586

610

626

594

562

546

546

2,270

2,980

2,760

4,140

14,000

25,100

9,170

5,260

3,780

3,110

2,600

2,470

Nov.

2,880

2,470

2,220

2,100

2,040

2,160

2,280

2,100

1,920

2,160

1,920

1,800

1,680

1,620

1,560

1,460

1,970

2,810

2,400

2,100

1,860

1,920

2,220

2,670

4,560

7,300

8,040

6,590

4,940

3,960

-

Dec.

3,270

4,540

5,260

6,820

7,060

5,910

5,360

6,360

5,910

12,000

30,000

12,900

19,700

22,100

12,000

7,790

5,690

4,540

3,780

3,350

3,270

3,780

3,350

2,960

2,810

2,810

2,740

2,400

2,280

2,100

2,040

Jan.

1,920

1,800

1,680

1,620

1,680

1,680

1,510

1,510

1,460

2,640

2,960

2,470

2,160

1,920

1,740

1,740

1,680

1,920

2,400

2,040

2,540

5,200

19,500

24,800

15,000

14,200

8,550

a6,200

a5, 000

a4,OOO

a3,500

Month

October ....... ...............

Novembe r ...... ...............

December ... ..................

Calendar year 1946 .........

January .......................

F«bruary ...... .............

March .........................

April ...... . . ............. .

May ...........................

June ........... ..............

July .......... ....... .......

August ................ .......

September .....................

Water year 1946-47 ..........

Feb.

a3,5OO

a7,500

a6,000

a4,500

a3,500

a 3, 300

a3,100

a2,900

a2,700

a2,500

a2,750

5,260

8,320

13,900

11,400

7,540

5,910

4,840

4,140

3,690

3,520

3,690

3,690

3,690

3,440

3,110

2,810

2,610

_

_

-

. Secondfoot-days

89,995

85,710

214,880

1,560,871

147,020

133,810

119 , 810

174,730

231,160

168,500

79,600

32,200

35,276

1,512,691

Mar.

2,470

2,340

2,540

2,600

2,400

2,280

2,220

2,100

2,1OO

2,470

3,350

3,030

2,740

3,030

3,870

4,940

6,130

6,590

6,360

6,130

6,360

7,300

5,690

4,840

4,140

3,690

3,270

3,110

3,110

,3,870

4,740

Maximum

25,100

8,040

30,000

30,000

24.80O

13,900

7,300

12,600

10,800

9,340

4,050

1 , 620

3,630

30 , 000

Apr.

5,260

4,940

4,140

3,780

3,350

3,110

2,880

2,810

2,960

3,690

3,600

3,350

4,050

5,580

6 , 590

6,590

7,790

10,500

12,600

9,610

7,060

5,910

5,470

5,160

5,160

6,590

8,290

8,040

8,810

7,060

-

May

8,040

9,340

8,040

7,300

7,790

9,610

10,200

8,810

8,040

6,590

5,910

6,130

' 5,470

4,940

4,940

5,470

5,260

4,940

6,590

6,590

7,060

7,060

7,540

8,550

9,610

10,200

10,800

9,610

7,540

7,O60

6,130

Minimum

546

1,460

2.04O

546

1,460

2,500

2,100

2,810

4 940

3 , 690

1,620

717

744

546

June

5,580

6,360

6,360

5,690

5,470

6,590

6,360

7,540

9,340

8,040

5,910

5,360

5,360

5,360

4,740

5,910

6,360

5,260

4,740

3,960

3,690

3,870

4,240

4,640

4,540

6,550

7,300

5,360

4,240

3,780

Mean

2 903 *** 857

6* q-^o

4,276

4,743

4 779

3 , 865

5,824

7,457

5,617

2, 568

1,039

1,176

4,144

July

3,960

4,050

3,690

3,270

3,350

3,270

2,960

2,740

2,740

2,670

2,740

2,880

2,670

2,670

3,030

2,600

2,540

2,470

2,340

2,160

2,040

1,920

1,800

1,740

1,620

1,620

1,620

2,620

2,220

1,860

1,740

Per 

square 

mile

5.43

5 . 34

is'.o

7.99

893

7.22

10.9

13 9

io!s

4.80

1.94

2.20

7.75

Aug.

1,

1,

1,

1,

1,

1,

1,

1,

1,

1,

1,

1,

1,

1,

620

560

560

460

380

300

250

2OO

ise

120

060

040

020

310

1,000

980

950

920

870

834

807

771

762

744

735

726

1,

717

717

717

350

1,160

Sept.

940

852

816

789

780

744

1,080

1,860

3,630

2,720

1,860

1,510

1,290

1,170

1,050

1,180

1,380

1,200

1,060

980

920

900

880

852

834

834

816

798

780

771

Runoff

Inches

6 . 2iS

5.96

14.94

108.51

10.22

9.30

8 . 33

12 . 15

16.07

11.71

5.53

2.24

2.45

105.16

Ac re- feet

178,500 

170,000

426,200

3,096,000

291,600 

265,400

237,600 

346, 600

458,500 

334,200

157,900

63,870

69,970

3,000,000

Peak discharge.- Oct. 25 (5 a.m.) 33,900 sec.-ft.; Dec. 11 (7: 

(j. a.m.) 26,500 sec.-ft.; Jan. 24 (5 a.m.) 31,500 sec.-ft.; Feb.

a Ho gage-height record; discharge computed on basis of range 

SVykomish River near Index.

u a.m.) 40,200 sec.-ft.; Dec. 14

14 (6 p.m.) 15,700 sec.-ft.

n stage and record for South Fork
128 SNOHOMISH RIVER BASIN

Snohomish RJver at Snohomish, Wash.

Location.- Water-stage recorder, lat. 47°54'32", long. 12a°06'00", in SE£ sec. 13, T. 28 

N. , H. 5 E., on downstream end of drrtwrest of bridge No. 205 on State Highway 1A in 

Snohumish. Auxiliary water-stage recorder at county road trestle over railroad tracks, 

2 miles west of Snohomish and 2-g- miles downstream from base gage. Datum of each gage 

is 10.00 feet below mean sea level, datum of 1929.

Drainage area.- 1,700 square miles.

Records available.- February 1941 to September 1947 (high-water discharges only). The 

Northern Facil'ic Railroad Co. has record of gage heights at their bridge, a quarter of 

a mile upstream, since 1906. High-water elevations prior to 1932 and high-water profiles on flood peaks since that time are available at the Seattle office of Corps of 

Engineers.

Extremes.- Maximum discharge iuring year not determined, probably occurred on Dec. 14 

during period of no gage-height record.

1941-47: Maximum discharge, 64,600 second-feet Dec. 3, 1943 (gage height, 26.9 

feet, backwater from tide).

Maximum stage known, 35 feet at base gage and 31 feet at auxiliary gage in 1906, 

from flood profile furnished by Corps of Engineers.

Remarks.- Records good except those for periods of no gage-height record, which are fair. 

Large diurnal fluctuation because of tides. Discharge computed by using fall as determined by auxiliary water-stage recorder as factor. No appreciable regulation or 

diversion at stages for which discharges are published.

Discharge, In second-feet, water yecr October 194R to September 1947

Daj

1

2

3

4

5

6

7

a

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

_

-

-

-

-

.

_

-

_

-

_

_

-

_

-

_

_

_

.

-

10,100

_

_

19,100

50,700

41,700

25,700

15,500

11,200

-

-

Nor.

-

-

-

-

_

_

-

_

-

_

-

-

_

-

_

_

11,600

12,500

-

_

_

11,200

12,500

16,000

21,000

22,000

22,000

17,000

14,000

-

Dec.

10,000

10,600

14,400

15,300

21,200

20,800

18.4OO

19,800

18,400

26,300

50,OOO

49,300

51,300

60,000

58,000

37,000

24,000

20 , OOO

17,000

14,300

12,300

13,200

13,100

11,000

10,700

10,200

_

-

_

-

-

Jan.

.

_

-

_

-

_

_

-

_

-

11,000

_

_

_

-

_

_

_

_

-

.

12,500

31,900

55,000

51,400

48,600

38 , 400

27,400

20,200

16,000

13,100

Feb.

11,700

23,600

28,400

18,900

14,400

11,700

11,000

11,000

10 , 3OO

_

12,200

20,000

33,600

38,000

30,000

22,000

17.OOO

14,000

11,000

10,500

11,000

11,000

10,700

10,200

_

_

-

_

_

-

Mar.

.

_

_

_

-

.

_

_

_

-

10,700

10,300

_

_

-

11,600

13,600

14,000

13,900

13,400

12,900

17,000

15,200

12,400

11,300

10,400

_

_

_

_

11,900

Apr.

14,900

15,200

12,800

11,000

-

_

_

-

_

11,900

12,600

10,800

10,600

12,500

15,100

14,800

14,900

22,900

130,000

132,000

125,000

120,000

316,000

14,000

13,000

13,000

15,500

17,400

17,700

18,100 -

Hay

15,700

16,600

18,000

15,100

14,400

15,500

18,500

18,100

16,400

14,300

13,000

11,400

11 , 000

10,000

-

_

_

_

12,000

12,500

12,500

12,500

13,500

14,000

15,000

16,500

18.0OO

17,500

14,000

11,900

11,300

June

_

_

10,300

10,500

10,600

11,900

11,600

13,300

19,500

21,900

17,800

13,200

'11,700

11,300

10,000

11,000

16,000

13,500

11,000

10,000

_

_

-

-

-

_

16,000

15,500

13.OOO

10,000

-

Julj- Aug. Sept.

11,000

Peak discharge.- Oct. 25 (2 p.m.) 6O.5OO sec.-ft.; Jan. 24 (1 p.m.) 57,2oO sec.-ft.; Feb. 15 

(4:30 a.m.) 407200 sec.-ft.

d Doubtful gage-height record; discharge computed on basis of records for nearty Streams.

Note.- Ho gage-height record Nov. 24 to Dec. 1, Dec. 14-18, Fet. 16-24, Apr. 24-26, May 11-14, 

19-29, June 16, 19-20, 27-30; discharge computed on basis of records for nearby streams.
SNOHOMISH RIVER BASIN

Beckler River near pkyKomish Wash.

Location.- Water-stage recorder, lat. 47°44'20", long. 1S1°19'10", in SW-j sec. 18, T. 26 

14. , K. 12 E. , a quarter of a mile downstream from Eagle Creek, 2-J miles upstream from 

mouth, and 3 miles northeast of Skykomish.

Drainage area.- 95 square miles.

Records available.- September 1929 to August 1933, July 1M6 to September 1947.

Extremer.- Maximum discharge during year, 5,790 second-feet Dec. 11 (gage height, 7.88 

feet)"; minimum, 70 second-feet Sept. 29, 30.

1929-33, 1946-47: Maximum discharge, 10, 'CO second-feet Nov. 13, 1932 (gage 

height, 9.6 feet); minimum not determined, probably occurred during period Jan. 9-29, 

1930, when stage-discharge relation was affected by ice.

Remarks.- Records excellent except those below 100 second-feet, which are good. No. 

diversion or regulation.

Rating tables, wattr year 1946-47 (gage height, In feet,

and discharge, In second-feet) 

(Shifting-control method used Oct. 24, 25, Sept. 9-30)

Oct. 1 to Dec. 10

i-i eet;

!4, 25, Sept. 9-30)

Dec. 10 to Sept. 30

137

228

350 5.1

510

700

925

1,190

1,580 3.5 376

3.8 541

4.1 736

4.4 965

4.7 1,230

5.0 1,500

5.5 

6.O 

6.5 

7.1

2,000

2,590

3,300

4,310

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

79 

78 

78 

90 

95

84 

90 

93 

85 

82

79 

78 

76 

81 

79

76 

75 75 

76 

313

237 

287 

341 

1,670 

2,680

1,060 

674 

510 

428 

365 

360

Nov.

375 

314 

289 

277 

265

281 

273 

254 

246 

254

228 

221 

211 

2.01 

194

185 

211 

258 

239 

218

201 

201 

232 

246 

450

848 

822 

707 

616 

516

Dec.

450 

558 

635 

877 

909

815 

756 

838 

749 

1,540

4,140 

2,060 

2,600 

2,870 

1,790

1,280 

965 

794 

695 

622

597 

616 

560 

512 

494

488 

471 

432 

402 

381 

367

Jan.

348 

316 

299 

295 

295

278 

266 

258 

250 

407

381

348 

316 

290 

274

286 

274 

303 

312 

278

343 

679 

2,030 

3,020

2,110

1,920 

1,280 

982 

801 

695 

610

Feb

591 

885 

668 

584 

541

506 

482 

454 

427 

412

432 

560 

1,020 

1,690 

1,540

1,180 

982 

839 

750 

675

648 

642 

642 

629 

597

560 

523 

482

u__+h SecondMontb foot-days

Octo 

Hove 

Dace

Ca

Janu 

Febr 

Marc 

Apr! 

May 

June 

Jnlj 

Augu 

Sept

Wa

ber . ................. . 10,474

lendar year ......

9,633 

51,263

..

1 .........................

......... ... . . . . '

ember .....................

J0.544 

19,941 

>1,983 

50,780 

13,784 

28,226 

11,589 

3,869 

2,953

ter year 1946-47 .......... 235,039

Peak discharge.- (

(5 a.m. ) 3,300 sec.

Mar.

454 

444 

466

454 

427

407 

386 

376 

376 

438

523

482 

460 

529 

675

870 

1,090 

1,180 

1,180 

1,180

1,230 

1,280 

1,070 

909 

808

736 

668 

642 

655 

772 

816

Maximum

2,680 

822 

4,140

-

3,020 

1,690 

1,280 

1,790 

2,000 

1,410 

648 

189 

266

4,140

Apr.

854 

808 

750 

682 

629

578 

547 

541 

560 

610

584 

584 

682 

941 

1,180

1,230 

1,360 

1,590 

1,790 

1,590

1,32*0 

1,140 

1,060 

1,010 

990

1,180 

1,500 

1,540 

1,590 

1,360

May

1,360 

i,690 

1,540 

1,460 

1,460

1,740 

2,000 

1,740 

1,540 

1,320

1,180 

1,230 

1,090 

999 

982

1,060 

999 

974 

,180 

,230

,360 

,320 

,410 

,640 

,790

,890 

,940 

1,740 

1,460 

1,320 

1,140

Minimum

75 

185 

367

-

250 

412 

376 

541 

974 

616 

199 

91 

70

70

June

1,090 

1,180 

1,180 

1,070 

1,030

1,230 

1,180 

1,280 

1,410 

1,230

999 

941 

941 

901 

816

974 

957 

846 

779 

695

668 

695 

743 

801 

750

925 

941 

722 

636

616

Mean

338 

321 

1,008

-

663 

712 

709 

1,026 

1,412 

941 

374 

125 

98.4

644

July

648 

642 

584 

535 

553

529 

476 

449 

438 

427

427 

412 

386 

391 

438

367 

348 

329 

308 

286

270 

254 

239 

224 

213

228 

216 

325 

239 

209 

199

Per 

square 

mile

3.56 

3.38 

10.6

-

6.98 

7.49 

7.46 

10.8 

14.9 

9.91 

3.94 

1.32 

1.04

6.78

Aug.

189 

176 

173 

164 

158

149 

143 

141 

143 

138

130 

128 

123 

118 

118

116 

113 

111 

107 

107

102 

105 

102 

98 

96

94 

91 

91 

93 

136 

116

Sept.

98 

93 

91 

91 

91

89 

118 

155 

266 

170

118 

105 

96 

93 

89

96 

100 

93 

85

80

79 

76 

76 

74 

73

73 

73 

72 

70 

70 

0

Runoff

Inct es

4.10 

3.77 

12.24

-

8.04 

7.81 

8.61 

12.05 

17.14 

11.05 

4.54 

1.51 

1.16

92.02

Acre-feet

20,770 

19,110 

62,010

-

40,750 

39,550 

43,600 ' 

61,050 

86,840 

55,990 

22,990 

7,670 

5,860

466,200

)ct. 25 (2 a.m.) 4,410 sec. -ft.; Dec. 11 (6:30 a.m.) 5,790 aec.-f",.; Dec. 14 

-ft.j Jan. 24 (4:45 a.m.) 3,790 sec. -ft.; Jan. 25 (9:45 p.m.) 2,790 sec. -ft.
130 SNOHOMISH RIVER BASIN

North Pork Skykomish River at Index, Wash.

Location.- Wire-weight gage, lat. 47°49'10", long. 121°33'10", in NW£ £ sec. 20, T. 27 N. ,

K. 10 hi. , on highway bridge at Index 1-5- miles upstream from mouth.

Drainage area.- 149 square miles.

Records available.- August 1910 to September 1922, February 1929 to September 1938, July 

1946 to aeptemoer 1947.

Average discharge.- 22 years (1910-22, 1929-38, 1946-47), 1,205 second-feet.

Extremes. - Maximum discharge observed during year, 9,430 second-feet Dec. 11 (gage 

height, 7.42 feet); minimum observed, 166 second-feet Oct. 18, 19.

1910-22, 1929-38, 1946-47: Maximum discharge observed, about 21,000 second-feet 

Feb. 26, 1932 (gage height, 10.5 feet), but may have reached 26,500 second-feet Dec. 

21, 1933 (from unofficial reports of comparative stages); minimum observed, 78 

second-feet Sept. 25, 1930.

Remarks . - Records fair. Gage read twice daily. No diversion or regulation. 

Discharge, in second-feet, water year October 1946 to September 194 7

Day

1

2

3

4

5

6

7

8

&

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

205

198

186

257

242

213

247

252

227

205

198

198

186

190

182

175

175

169

169

1,250

.824

1,060

1,350

4,960

7,480

2,740

1,520

1,290

1,240

970

834

Nov.

834

804

733

724

695

695

724

695

685

666

611

584

557

540

540

507

629

886

743

647

602

685

743

763

1,190

1,890

2,380

1,820

1,410

1,140

-

Dec.

991

1,380

1,660

2,030

1,820

1,630

1,410

1,700

1,520

3,040

6,560

3,080

4,370

5,330

3,160

2,170

1,630

1,380

1,190

1,040

1,030

1,240

1,040

970

896

896

896

814

753

676

676

Jan.

638

602

549

540

540

515

481

481

473

896

896

- 824

714

629

602

566

549

611

676

611

794

1,800

5,550

6,100

3,600

3,420

2,170

1,560

1,290

1,050

928

Month

October ...... ................

November ......................

December ......................

Calendar year .........

January .......................

February ......................

March .........................

April .........................

May ...........................

June ........................ .

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

865

1,890

1,330

1,080

928

823

854

814

724

666

886

1,460

2,540

3,970

3,080

1,890

1,510

1,290

1,100

949

918

970

970

949

886

804

685*

676

_

-

Secondfoot-days

29,392

26,122

56,978

40,655

35,507

33,290

51,150

71,770

54,380

24,059

9,124

9,427

441,854

Mar.

629

593

676

620

593

540

532

507

507

629

949

783

773

981

1,180

1,460

1,820

1,820

1,820

1,760

1,760

2,240

1,550

1,280

1,130

1,010

896

886

896

1,160

1,310

Maximum

7,480

2,380

6,560

6,100

3,970

2,240

3,510

3,250

3,160

1,250

458

1,250

7,480

Apr.

1,520

1,380

1,170

1,060

959

854

753

793

813

970

959

949

1,140

1,590

1,960

1,960

2,100

2,920

3,510

3,080

2,240

1,820

1,700

1,630

1,510

1,960

2,460

2,540

2,610

2,240

-

May

2,310

2,920

2,540

2,240

2,170

2,840

3,160

2,680

2,610

2,100'.

1,890

2,030

1,820

1,580

1,630

1,820

1,700

1,590

1,890

2,170

2,240

2,310

?,380

2,680

2,920

3,080

3,250

2,920

2,240

2,170

1,890

Minimum

169

507

676

.

473

666

507

753

1,580

1,150

411

209

201

169

June

1,760

2,030

1,960

1,820

1,700

2,240

2,100

2,380

3,160

2,460

1,820

1,630

1,700

1,580

1,430

1,820

2,100

1,760

1,500

1,250

1,160

1,280

1,350

1,430

1,820

2,920

2,170

1,630

1,270

1,150

-

Mean

948

871

1,838

_

1,311

1,268

1,074

1,705

2,315

1,813

776

294

314

1,211

July

1,230

1,250

1,150

991

991

1,010

907

834

814

804

865

928

704

824

1,010

804

783

773

705

647

593

593

507

473

458

458

411

865

647

523

507

Per 

square 

mile

6.36

5.85

12.3

.

8.80

8.51

7.21

11.4

15.5

12.2

5.21

1.97

2.11

8.13

Aug.

442

458

442

419

389

368

355

341

334

315

297

279

279

291

279

279

267

247

237

222

222

217

217

213

213

213

209

209

209

341

321

Sept.

242

242

2^7

213

209

209

382

540

1,250

724

458

396

341

303

273

279

297

285

247

232

213

217

217

209

209

209

201

201

201

201

-

Runoff

Inches

7.34

6.52

14.22

_

10.15

8.86

8.31

12.77

17.91

13.57

6.01

2.28

2.35

110.29

Acre-feet

58,300

51,810

113,000

_

80,640

70,430

66,030

101,500

142,400

107,900

47,720

18,100

18,700

876,500
SNOHOMISH RIVER BASIN 1.31

Wallace River at Gold Bar, Wash.

Location.- Water-stage recorder, lat. 47°51'50", long. 121°41'45", in NE£ sec. 6, T. 27 

H., K. 9 E., at county road crossing, a quarter of a mile north of Gold Bar and l£ 

miles upstream from Olpey Creek.

Drainage area.- 19.8 square miles.

Records available.- December 1928 to September 1933, July 1946 to September 1947.

Extremes.- Maximum discharge during year, 1,580 second-feet Oct. 25 (gage height, 8.20 

I'eet); minimum discharge, 14 second-feet Aug. 27.

1928-33, 1946-47: Maximum discharge observed, 2,590 second-feet Feb. £6, 1932 

(gage height, 8.00 feet, datum then in use); minimum observed, 9.6 second-feet Aug. 27, 

Sept. 3-5, 1940 (gage height, 0.32 foot, datum then in use).

-Jemarks. - Records fair except those for periods of shifting control or no gage-height 

record, which are poor. No known diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

24 

22 

20 

44 

44

29 

44 

48 

39 

31

28 

25 

24

28 

26

24 

22 

22 

26 

157

103 

151 

228 

993 

1,180

492 

277 

188 

150 

125 

136

Nov.

156 

116 

104 

107 

110

152 

125 

99 

96

117

96 

85 

80 

75

70

65 

161 

180 

117 

98

86 

130 

208 

219 

380

422 

532 

319 

231 

175

Dec.

142 

333 

319 

393

308

277

238 

278 

276 

761

1,060 

550 

810 

790 

433

291 

217 

175 

148 

135

152 

275 

171 

143 

135

136 

128 

109 

96 

91 

85

Jan.

80 

73 

70 

67 

67

64 

61 

64 

64 

235

136 

110 

95 

85 

83

82 

74 

90 

112 

91

186 

560 

1,180 

975 

675

514 

298 

210 

167 

143 

124

Month

Ooto 

Hove 

Dece

Ca

Jann 

Pebr 

Marc 

Apri 

May 

.June 

July 

Augu 

Sept

Wa

lendar year 

ary

"uarv

h .........................

st ........ . . . ....

ember .

ter year 1945-47 ..........

Feb.

131 

374 

207 

157 

134

122 

116 

111 

102 

104

167 

336 

475 

750 

454

271 

196 

162 

141 

124

160 

182 

167 

148 

128

112 

104 

93

Second 

foot-days

4,750 

4,911 

9,455

-

6,835 

5,728 

4,449 

7,132 

5,226 

5,781 

1,589 

785 

1,590

58,231

Mar.

87 

86 

120 

104 

86

83 

83 

84 

86 

130

167 

111 

109 

150 

193

226 

232 

207 

180 

167

274 

284 

164 

139

122

107 

97 

100 

111 

164 

196

Maximum

1,180 

532 

1,060

-

1,180 

750 

284 

950 

475 

810 

92 

59 

358

1,180

Apr.

222 

170 

134 

122 

112

106 

104 

114 

146 

182

148 

146 

196 

238 

241

222

384 

608 

950 

510

298 

219 

190 

170 

164

202 

219 

190 

226 

199

May

229 

258 

190 

167 

170

216 

216 

180 

199

141

116 

124 

100 

97 

106

159 

118 

3120 

a475 

a200

alSO 

a!60 

162 

185 

183

180 

167 

133 

104 

99 

92

Minimum

20 

65 

85

-

61 

93 

83 

104 

92 

80 

32 

16 

24

16

June

90 

107 

107 

100 

100

194 

170 

300 

810 

444

251 

170 

185 

175 

125

323 

300 

180 

141 

112

98 

90 

87 

84 

80

219 

310 

205 

125 

99

Mean

153 

164 

305

-

220 

205 

144 

238 

169 

193 

51.3 

25.3 

53.0

160

July

92 

83 

73

66 

63

61 

57 

52 

50 

49

58 

63 

53 

49 

71

53

47 

44 

42 

40

38 

36 

34 

33 

33

32 

32 

65 

48 

38 

34

Per 

square 

mile

7-73 

8.28 

15.4

-

11.1 

10.4 

7.27 

12.0 

8.54 

9.75 

2.59 

1.28 

2.68

8.08

Aug.

32 

31 

29 

29

28

27 

26 

26 

26 

27

25 

26 

24 

23 

23

24 

24 

23 

22 

21

20 

20 

19 

18 

18

18 

16 

17 

17 

59 

47

Sept.

32 

29 

27 

26 

25

24 

111 

107 

358 

97

63 

54 

48 

43 

39

43 

52 

53 

42 

37

34 

32 

30 

29

28

27 

27 

25

24 

24

Runoff

lucres

8.92 

9.22 

17.76

-

12.84 

10.76 

8.36 

13.40 

9.82 

10.86 

2.98 

1.47 

2.99

109.38

Peak discharge.- Oct. 25 (1:30 a.m.) 1.580 sec. -ft.: Jan. 23 (5 p.m.) 1.280 sec. -ft.

Ac re- feet

9,420 

9,740 

18,750

-

13,560 

11,360 

8,820 

14,150 

10,370 

11,470 

3, ISO 

1,560 

3,150

115,500
SNOHOMISH RIVER BASIN

28

Olney Creek near Gold Bar, Wash.

Location.- Water-stage recorder, 1st. 47°56'40", long. 121°42'30", in SWf sec. 6, T. 

N., H. 9 E., 5? miles north of Gold Bar and 6| miles upstream from mouth.

Drainage area.- 7.9 square miles.

Records available.- July 1946 to September 1947.

Extremes.- Maximum discharge during year, 2,550 second-feet Oct. 25 (gage height, 6.30 

feet); minimum, 5.6 second-feet Aug. 26-29 (gage height, 1.28 feet).

1946-47: Maximum discharge, that of Oct. 25, 1946; minimum, that of Aug. 26-29, 

1947.

Remarks.- Records good except those above 320 second-feet, which are fair. No diversion 

or regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

16

11

11

30

22

15

38

28

20

17

15

13

12

16

15

12

11

10

IB

136

55

103

220

1,300

667

192

100

66

56

45

78

Nov.

78

52

45

47

47

66

52

41

43

56

42

36

31

28

26

24

85

78

47

38

33

68

114

144

260

238

244

139

104

71

-

Dec.

61

192

139

216

180

136

141

172

187

523

565

263

376

302

152

82

59

47

40

41

78

165

64

48

44

46

41

32

28

24

23

Jan.

21

19

17

16

16

16

15

17

18

149

64

40

31

24

21

21

26

73

66

40

. 155

330

722

466

318

202

102

70

56

47

42

Month

October ................... ...

November ......................

December ......................

Calendar year .........

January ..... .................

February ... ... ..............

March ...... ... ............ .

April ............. ...........

May ...................... ...

June ..........................

July

August ..... ..................

September . . .............. ...

Water year 1946-47 ..........

Feb.

67

18473'

56

50

46

48

47

42

45

89

160

289

450

217

115

79

63

53

51

119

113

89

72

59

49

43

38

.

-

Secondfoot-days

3,346

2,377

4,467

3,220

2,806

2,176

3,716

1 , 981

2,756

837

456.8

1,008.8

29,147.6

Mar.

34

37

95

65

47

40

40

42

44

91

105

67

61

70

80

90

92

80

69

64

159

143

68

60

53

46

40

39

44

88

123

Maximum

1,300

260

565

722

450

159

500

124

404

88

123

204

1,300

Apr.

213

108

70

62

60

62

59

98

144

160

90

76

87

95

86

79

223

389

soo

242

127

87

73

67

63

73

75

68

98

82

May

100

107

70

61

63

79

68

59

89

56

52

49

41

39

39

60

45

111

124

69

64

59

63

67

65

66

60

46

38

36

36

Minimum

10

24

23

15

38

34

59

3631 ~

14

5.6

9.8

5.6

June

3950 '

46

40

104

161

101

164

404

176

92

70

76

67

53

192

111

74

62

52

44

39

36

33

31

86

145

97

62

49

Mean

108

79.2

144

104

100

70.2

124

63.9

91.9

27.0

14.7

33.6

79.9

July

41

3e

3?

3C

2f

2e

23

2]

2C

ie

2?

41

25

2C

57

31

24

2]

2C

16

17

IE

IE

IE

14

IE

14

88

36

26

21

Per 

square 

mile

13.7

10.0

18.2

13.2

12.7

8.89

15.7

8.09

11.6

3.42

1 . 86

4.25

10.1

Aug.

19

17

16

15

14

13

12

12

13

12

11

14

11

9.4

9.0

10

3.0

8.4

8.1

7.8

7.5

6.9

6.6

6.3

6.0

5.8

5.6

5.6

5.8

123

37

Sept.

21

16

13

12

11

11

99

113

204

67

45

34

28

24

21

44

40

31

24

20

18

16

14

13

13

12

12

12

11

9.8

-

Runoff

Inches Acre-feet

15.75 6,640

11.19 4,710

21.03 8,860

15.16 6,390

13.21 5,570

10.24 4,320

17.49 7,370

9,33 3,930

12.97 5,470

3.94 1,660

2 . 15 906

4.75 2,000

137.21 57,830
SNOHOMISH RIVER BASIN 133

May Creek near Gold Bar, Wash.

Location.- Water-stage recorder, lat. 47°51'30", long. 121°36'30", In NE£ sec. 2, T. 27 

N., H. 9 E., half a mile downstream from Lake Isabel and 4 miles east of Gold Bar.

Drainage area.- 4.3 square miles.

Records available.- September 1928 to December 1934, October 1945 to Septembe" 1947 

(discontinued).

Extremes.- Maximum discharge during year, 726 second-feet Oct. 25 (gage height, 4.9 

reet); minimum, 1.4 second-feet Aug. 28-30 (gage height, 0.74 foot).

1928-34, 1945-47: Maximum discharge, that of Oct. 25, 1946; minimum observed, 1.0 

second-foot Sept. 4-6, 1934.

Remarks.- Records good except those for periods of no gage-height record, which are poor. 

"Mo diversion. Some regulation by natural storage in Lake Isabel, half a mile above 

station.

Rating tables, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

Oct. 1-24 Oct. 25 to Sept. 30

1.24 4.6 2.2 73 0.74 1.4 1.7 34 3.4 257 

1.4 7.6 2.4 96 .9 3.3 2.O 54 3.8 355 

1.6 17 2.6 123 1.1 7.4 2.3 81 4.3 501 

1.8 33 2.9 171 1.3 14 2.6 117 

2.0 52 1.5 23 3.0 179

Discharge, in second-feet, water year October 1946 to September 1947

.3ay

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

4.9 

4.6 

4.6 

6.5 

6.8

6.4 

7.4 

8.1 

7.9

7.6

7.2 

6.8 

6.6 

6.8 

6.4

6.0 

5.6 

5.4 

5.6 

13

15 

22 

39 

168 

494

196 

103 

fil 

46 

36 

34

Nov.

36 

30 

25 

23 

23

27 

29 

26 

25 

27

23

20 

17.5 

16 

14.5

13.5 

21 

33 

30 

26

23 

32 

38 

37 

52

75 

124 

109 

74 

54

Dec.

44

65 

73 

93 

84

69 6 1* 

63 

60 

108

257 

174 

177 

192 

142

89 

61 

48 

40 

36

36 

47 

42 

36 

S3

32 

30 

27 

24 

21 

20

Jan.

19

17.5 

15.5 

14.5 

15

15 

14 

13.5 

13.5 

27

26 

27 

24 

22 

20

18 

16 

20 

. 20 

20

29 

79 

276 

251 

184

136 

86 

62 

50 

45 

40

Feb.

40 

85 

70 

55 

40

35 

30 

25 

22

20

25 

55 

90 

160 

125

104

75 

60 

50 

44

46 

44 

43

40 

36

33 

30

27

u»n *h Second- 

"onth foot-days

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

ftpri 

Bay 

June 

July 

ftugu 

Sept

Wa

her ..................... . 1.348.2

mber .................. ... t

,103.5 

,285.0

lendar year 1946 ......... 14,773.1

ary ...... ]

h .......... ........... . . ]

st . . . .

ember . .

,615.5 

,509.0 

,167.5 

,9?7.0 

,847.0 

,952.0 

58O.9 

140.1 

459.3

ter year 1946-47 .......... 15,935.0

Mar

25 

24 

27 

27 

24

22 

20 

19.5 

19 

24

32

27 

25 

27 

34

44 

53

56 

55 

53

62 

79 

66 

56 

47

40 

34

30 

32 

37 

47

Maximum

494 

124 

257

494

276 

160 

79 

208 

79 

172 

44 

10.5 

53

494

Apr.

54 

48 

42 

40 

35

31 

29 

30 

35 

38

35 

34 

38 

46 

56

60 

89 

169 

208 

160

103

74 

61 

54 

49

53 

f60 

65

fee

f65

Hay

60 

70 

65 

60 

60

70 

79 

70 

65 

60

50 

55 

45 

39 

39

45 

40 

39 

55

60

66 

65 

63 

66 

7Z

76 

79 

73 

60 

53 

48

June

44 

45 

47 

47 

49

59 

61 

74 

172 

159

103 

73 

66 

63 

54

64 

85 

70 

61 

53

46 

42 

39 

39 

38

49 

72 

71 

58 

49

July

44 

40 

36 

32 

29

26 

24 

22 

20 

18.5

18 

19 

18 

17 

20

19 

16.5 

16 

14.5 

13

11.5 

10.5 

9.4 

8.8 

8.5

8.5 

8.2 

14.5 

14.5 

12.5 

11.5

Per 

Minimum Mean square 

mile

4.6 43.5 10.1 

13.5 36.8 8.56 

20 73.7 17.1

3.0 40.5 9.42

13.5 52.1 12.1 

20 53.9 12.5 

19 37.7 8.77 

29 64.2 14.9 

39 59.6 13.9 

38 65.1 15.1 

8.2 18.7 4.35 

1.4 4.52 1.05 

4.1 15.3 3.56

1.4 43.7 10.2

Aug.

10.5 

9.4 

8.5 

7.7 

7.2

6.7 

6.0 

5.5 

5.3 

5.1

4.7 

4.3 

3.9 

3.6 

3.3

3.6 

3.3 

3.2 

2.9 

2.6

2.5 

2.4 

2.1 

2.0 

1.9

1.7 

1.5 

1.5

1.4 

7.6 

8.2

Sept.

7.4 

6.7 

6.0 

5.3 

4.7

4.1 

11.5 

23 

53 

51

40 

32 

26 

18.5 

17

17 

17.5 

16.5 

15

13

12 

10.5 

9.4 

8.2 

7.4

6.7 

6.2 

5.1 

4.5 

4.1

Runoff

Inches

11.66 

9.54 

19.76

127.76

13.97 

13.05 

10.10 

16.67 

15.97 

16.88 

5. 02 

1.21 

3.97

137.80

Peak discharge.- Oct. 25 (12:30 a.m.) 726 sec. -ft.; Dec. 11 (5 a.m.) 297 sec. -ft.; Jan

Acre-feet

2,670 

2,190 

4,530

29,290

3,200 

2,990 

2,320 

3,820 

3,660 

3,870 

1,150 

278 

911

Si, 590

23 (7 p.m.

355 sec.-ft.; Apr. 19 (l p.m.) 218 sec.-ft.; June

f Computed on basis of partly estimated gage-height record.

Note.- No gage-height record Feb. 1-15, Apr. 28, May 1-20; discharge computed on basis of recorded 

range in stage and records for South Fork Skykomish River near Index.
134 SNOHOMISH RIVER BASIN

Sultan River near Startup, Wash.

Location.- Water-stage recorder, lat. 47°58'30", long. 121°46'30", In NE-p sec. 28, T. 29 

K., H. 8 E., lj miles upstream from intake of Everett water-supply system and 7i 

miles north of Startup.

Drainage area.- 75 square miles.

Records available.- May 1934 to September 1947.

Average discharge.- 13 years, 712 second-feet.

Extremes.- Maximum discharge during year not determined, probably occurred sometime In 

January during period of no gage-height record; minimum, 87 second-feet Aug. 29 (gage 

height, 3.70 feet).

1934-47: Maximum discharge recorded, 16,900 second-feet Dec. 3, 19^3 (gage height, 

16.4 feet), from rating curve extended above 3,000 second-feet; minimum, 48 secondfeet Sept. 25, 27, 29, 30, 1942; minimum gage height, 3.32 feet Sept. 22-24, 1938.

Remarks.- Records excellent except those for periods of shifting-control, which are 

good, those for discharges above 5,000 second-feet, which are fair, anc1 those for 

periods of no gage-height record, which are poor. No diversion or regulation.

Rating table, water year 1946-47, except periods 01 shifting control 

(gage height, in feet, and discharge, in second-feet)

3.7 87 6.0 800 9.0 3,400 

4.0 137 6.5 1,070 10.0 4,800 

4.5 248 7.0 1,390 11.1 6,530 

5.0 390 7.5 1,760 

5.5 570 8.0 2,230

Discharge, in second-feet, water year October 1946 to September 19*7

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

154 

139 

124 

179 

226

177 

223 

228 

201 

179

156 

139 

152

139 

137

121

116 

105 

127 

1,320

851 

1,050 

1,360 

6,110 

2,860

1,130 

900 

500 

450 

380 

500

Nov.

750 

500 

450 

400 

430

520 

500 

400 

360 

453

396 

350 

312 

285 

266

246 

601 

850 

492 

422

350 

591 

1,040 

1,130 

2,410

2,520 

3.420 

f 1,800 

fl,020 

726

Dec.

1,370 

2,030 

1,500 

2,400 

2,200

1,700 

1,400 

1,900 

1,600 

3,000

6,OOO 

4,000 

5,200 

5,000 

2,600

1,600 

1,200 

1,000 

900 

860

950 

1,300 

900 

750 

700

750 

720 

600 

560 

520 

500

Jan.

470 

440 

420 

400 

400

400 

370 

370 

370 

1,000

860" 

680 

540 

460 

400

400 

400 

520 

740 

600

1,500 

3,500 

6,400 

5,200 

4,000

3,000 

2,500 

2,000 

1,500 

1,200 

900

»°nth foo?

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Hare 

Apri 

May 

June 

July 

Augu 

Sept

Wa

mber ...................... E

Feb.

1,300 

2,200 

1,800 

1,100 

800

700 

640 

620 

600 

600

1,100 

2,000 

2,700 

3,800 

2,560

2,000 

1,400 

1,200 

1,000 

950

1,200 

1,300 

1,200 

1,100 

950

800 

700 

640

ond-

-days

0,433 

3,990 

5,710

lendar year 1946 ......... 317,761

ary . ....... . . 4

h ....................... . 2

ember ....................

1,940 

6,960 

5,409 

5,704 

7,188 

7,773 

1,278 

4,822 

9,162

ter year 1946-47 ........ . 320,369

Mar.

600 

560 

700 

1,000 

700

580 

560 

580 

600 

932

1,160 

750 

612 

750 

1,040

1,220 

1,280 

1,190 

1,070 

1,020

1,160 

1,250 

878 

750 

656

570 

492 

492 

511 

726 

1,020

Maximum

6,110 

3,420 

6,000

6,110

6,400 

3,800 

1,280 

4,020 

1,560 

2,500 

612 

360 

1,810

6,400

Apr.

1,560 

1,070 

750 

656 

612

612 

570 

656 

829 

1,100

800 

679 

878 

1,160 

1,220

1,160 

1,590 

2,340 

. 4,020 

2,470

1,460 

1,070 

932 

850 

800

960 

1,160 

1,100 

1,390 

1,250

May

1,360 

1,560 

1,190 

988 

932

1,160 

1,220 

988 

1,100

850

702 

726 

612 

530 

530

591 

550 

644 

1,040 

850

775 

750 

825 

960 

1,020

1,040 

1,040 

878 

656 

591 

530

Minimum

105 

246 

500

102

370 

600 

492 

570 

530 

511 

197 

88 

114

88

June

511 

634 

634 

570 

702

1,070 

878 

1,250 

2,500 

1,600

1,020 

800 

850 

850 

634

1,480 

1,460 

960 

800 

1,160

550 

530 

550 

570 

550

1,080 

1,320 

988 

702

570

Mean

659

800 

1,797

871

1,353 

1,320 

820 

1,190 

877 

926 

364 

156 

305

878

P 

sqi

July

550 

530 

474 

412 

400

371 

33? 

304 

293 

290

331 

591 

422

371 

612

45S 

387 

353 

318 

283

263 

246 

223 

216 

211

197 

199 

561 

429 

315 

277

Aug.

246 

228 

223 

211 

201

184 

175 

169 

169 

166

158 

156 

143 

141 

137

135 

128 

124 

135 

110

105 

99 

96 

93 

92

90 

88 

88 

88 

360 

284

Sept.

186 

154 

135 

121 

116

114 

443 

960 

1,810 

845

492

371 

307 

271 

236

253 

285 

264 

216 

190

175 

160 

154 

145

137

135 

130 

124 

119 

114

er Runoff

L le Inches Acre-feet

8.79 10.13 40,530 

10.7 11.90 47,580 

24.0 27.62 110,500

11.6 157.57 630,300

18.0 20.80 83,190 

17.6 18.33 73,310 

10.9 12.60 50,400 

15.9 17.70 70,820 

11.7 13.48 53,930 

12.3 13.77 55,090 

4.85 5.59 22,370 

2.08 2.39 9,560 

4.07 4.54 18,170

11.7 158.85 635,400

f Computed on basis of partly estimated gage-height record.

Note.- No gage-height record Oct. 27 to Nov. 9, Nov. 21, Dec. 3 to Mar. 

basis of 1 engineer's reading and records for stations on nearby streams. 

used June 26 to July 28.

9; discharge computed on 

Shifting-control method
SNOHOMISH RIVER BASIN 135

McCoy Creek near Sultan, Wash.

Location.- Water-stage recorder, lat. 47°49'50", long. 121°49'40", in NE£ seo. 18, T. 27 

N., R. 8 E., lu miles upstream from mouth and 2-£ miles south of Sultan.

Drainage area.- 6.0 square miles.

Records available.- July 1946 to September 1947.

Extremes.- Maximum discharge during year, 386 second-feet Feb. 2 (gage height, 3.48 

1'eet); minimum, 1.5 second-feet Aug. 29 (gage height, 0.65 foot).

1946-47: Maximum discharge, that of Feb. 2, 1947; minimum, 1.5 second-feet Aug. 26, 

1946, Aug. 29, 1947 (gage height, 0.65 foot).

Remains.- Records good except those for periods of shifting control, which are fair, and 

those for periods of no gage-height record, which are poor. No known diversion or 

regulation.

Rating tables, water year 1946-47, except periods of shifting control 

(gage height, in feet, and discharge, in second-feet)

Oct. 25 to Sept. 30

1.1 

1.3

3.0 

5.0 

8.8

1.5 

1.7

1.0 

1.2

1.1

3.2

7.3

13.5

1.4 

1.6 

1.8 

2.0

2.5 

2.8 

3.1

133 

1ST 

250

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

3.0

3.0

3.0

3.6

3.1

3.1

4.0

3.9

4.2

4.0

3.9

3.7

3.6

3.4

3.4

3.4

a3.4

3.3

3.4

5.6

7.8

8.4

9.4

39

134

112

62

39

30

27

25

Nov.

42

38

30

26

23

22

21

19.5

17.5

25

26

23

21

19

17.5

16

18.5

59

350

a40

a35

a. 50

a70

alOO

a!30

a!30

allo

a90

a65

a55

-

Dec.

a45

a5o

aSO

a80

allo

75

54

72

66

73

134

138

142

133

107

73

55

44

35

30

27

27

26

24

32

22

29

26

24

22

19.5

Jan.

19

17.5

16.5

15.5

15.5

15

14.5

13

12.5

16.5

27

33

29

24

23

22

21

f25

350

a40

f53

f77

f!29

f!78

f!42

f!50

92

60

46

39

33

Month

October .......................

November ......................

December .....................

Calendar year ....... .

January ............... ......

February . . .... ........ ....

March ........ . .......... ...

April ........ . . .............

May ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

f37

f236

138

94

70

56

49

43

39

36

36

f50

f77

f!42

128

94

69

54

48

41

39

38

38

36

34

32

31

30

_

-

-

Secondfoot-days

555.6

1,379

1,833.5

.

1,446.5

1,815

766.5

888

362.7

486.7

219.6

86.9

201.1

9,941.1

Mar.

39

28

27

27

36

24

23

24

24

33

42

36

32

' 29

29

29

29

25

23

31

21

24

23

18.5

17.5

17.5

16.5

16.5

16

17

21

Maximum

134

130

142

_

178

236

42

77

16.5

33

16

4.2

20

236

Apr.

32

51

39

32

27

24

20

18

2o

38

3S

32

29

27

35

31

20

29

52

77

58

32

24

21

18.5

17

16.5

15.5

14.5

14

-

May

16.5

15.5

15.5

14.5

13

10.5

9.8

9.5

11

13

10.5

9.2

8.6

8.1

7.3

6.8

6.8

7.1

7.3

7.1

6.8

5.9

5.9

5.9

5.4

5.2

4.6

4.2

4.2

3.9

4.1

Minimum

3.0

16

19.5

_

13.5

30

16

14

3.9

4.2

4.4

1.6

1.8

1.6

June

4.3

4.6

5.0

5.0

5.0

6.1

8.3

17

22

33

29

22

18.5

17.5

15.5

23

32

25

22

18.5

16.5

14.5

13

12

10.5

11.5

17

21

30

17.5

-

Mean

17.9

46.0

59.1

_

46.7

64.8

24.7

29.6

8.47

16.2

7.08

2.80

6.70

27.2

July

16

14

12.5

11

10.5

9.5

8.9

7.8

7.3

5.9

5.4

6.6

6.6

6.3

7.6

7.3

6.8

» 6.3

5.9

5.4

5.2

5

4.6

4.4

4.6

4.6

4.4

4.6

5.0

5.0

4.6

Per 

square 

mile

2.98

7.67

9.85

_

7.78

10.8

4.12

4.93

1.41

2.70

1.18

.467

1.12

4.53 .

Aug.

4.2

4.1

3.9

3.4

2.9

3.1

2.9

2.9

2.8

2.8

2.8

3.7

2.8

2.9

2.9

2.7

2.7

3.5

2.5

2.5

2.4

3.3

3.8

2.9

2.9

2.3

2.3

1.7

1.6

2.9

2.9

Sept.

2.7

2.4

2.2

2.0

1.8

1.9

3.6

9.2

16

20

16.5

13

10.5

8.6

7.3

7.1

7.1

7.1

6.3

6.1

5.9

5.4

5.2

5.6

5.6

5.2

4.6

4.3

4.1

3.9

-

Runoff

Inches Ac re- feet

3.44 1,100

8.55 2,740

11.36 3,640

_

8.97 2,870

11.25 3,600

4.75 1,520

5.50 1,760

1.63 521

3.02 965

1.36 436

.54 172

1.25 399

61.62 19,720

Peak discharge.- Oct. 25 (4 p.m.) 213 ec. . -ft.. ; Dec. . 13 (1: .. .) 154 . -. . 

.m.J 386 sec. -ft.; Feb. 14 (7 p.m.) 163 sec. -ft. 

a No gage-height record; discharge computed on basis of records for Woods Creek nea- Monro 

f Computed on basis of partly estimated gage-height record.

903681 O - 50 - 10 ,,

(5:30
1K6 SNOHOMISH RIVER BASIN

Woods Creek near Monroe, Wash.

Location^- Water-stage recorder, lat. 47°52'20", long. 121°55'10", in W>- sec. 33, T. 28 

N., R7 7 E., 200 feet downstream from West Fork Woods Creek and 2j milps northeast of 

Monroe.

Drainage area.- 53 square miles.

Records available.- July 1946 to September 1947.

Extremes.- Maximum discharge during year, 1,020 second-feet Jan. 24 (gage height, 5.93 

feet); minimum, 16 second-feet Aug. 24, 26-29.

1946-47: Maximum discharge, that of Jan. 24, 1947; minimum, that of Aug. 24, 26-29, 

1947.

Remarks.- Records excellent except those for periods of shifting control, which are good, 

and those for periods of no gage-height record, which are fair. Several small farm diversions above station. No regulation.

Rating tables, water year 1946-47, except periods of shifting control 

(gage height, in feet, and discharge, in second-feet)

Oct. 1 to Dec. 4 Dec. 5 to Sept. 30

2.4 17 3.6 173 2.2 12.5 3.0 85 4.5 

2.6 32 4.0 257 2.4 25 3.3 130 5.0 

2.8 52 4.4 365 2.6 41 3.6 184 5.5 

3.0 77 4.8 505 2.8 6O 4.0 274 6.0 

3.3 122 5.2 665

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

20 

19.5 

19,5 

22 

23

20 

25 

28 

23 

21

19 

19 

19 

19.5 

19.5

19 

19 

19 

19.5 

33

38 

34 

45 

162 

264

223 

150 

111 

101 

1O9 

101

Nov.

127 

119 

103 

94 

84

77 

71 

69 

69 

119

117 

101 

92 

84 

77

70 

86 

227 

216 

188

164 

232 

467 

625 

665

625 

605 

471 

347 

271

Dec.

232 

289 

304 

439 

800

596 

426 

492 

509 

458

585 

778 

755 

585 

546

*441 

347 

286 

252 

227

2O5 

192 

174 

160 

147

144 

173 

163 

145 

132 

127

Jan.

124 

114 

104 

98 

95

99 

93 

88 

82 

122

194 

201 

190 

165 

145

137 

147 

174 

292 

276

282 

336 

566 

868 

940

868 

645 

458 

344 

289 

245

Feb.

243 

732 

645 

426 

330

282 

245 

220 

194 

178

180 

205 

260 

474 

458

344

276 

234 

205 

188

205 

201 

186 

169 

156

145 

135 

127

Month Second- 

"ontn foot-days

Goto 

Move 

Dece

Ca

Jam] 

Febr 

Marc 

Apri 

May 

June 

July 

Align 

Sept

Wa

lendar year 

ary

ember ..........'...........

L,764.5 

3,662 

1,109

-

3,781 

,643 

5,557 

,276 

,755 

,424 

922 

597.5 

738.5

ter year 1946-47- ......... 51,229.5

Mar

116 

111 

112 

112 

104

96 

108 

124 

124 

169

176 

158 

145 

133 

124

114 

106 

100 

95 

89

104 

135 

111 

105 

100

98 

92 

86 

82 

111 

117

Maximum

264 

665 

800

-

940 

732 

176 

688 

108 

84 

48 

32 

70

940

Apr.

147 

174 

156 

167 

163

151 

138 

144 

201 

245

245 

205 

178 

156

140

125 

149 

218 

364 

688

492 

325 

255 

214

182

158 

138 

124

120 

114

May

108 

102 

98 

91 

82

a80 

a75 

a70 

a65 

a65

a60 

a55 

a55 

a50

a48

a48 

a48 

a48 

49 

46

44 

42 

40 

38

40

37 

34 

34 

34 

36 

33

June

34 

34 

35

32 

32

34 

36 

51 

65 

62

48 

42 

40 

46 

40

57 

71 

59 

53 

47

44

40 

38 

35 

33

43 

67 

84 

67 

55

Minimum Mean

19 56.9 

69 222 

127 358

-

82 283 

127 273 

82 115 

114 209 

33 56.6 

32 47.5 

23 29.7 

16 19.3 

18 24.6

16 140

Peak discharge.- Dec. 5 (11 a.m.) 868 sec. -ft.; Dec. 12 (10 p.m.) 822

410 

585 

800 

1,040

1947

July

48 

44 

41 

39 

38

a35 

a30 

a30 

a30 

a30

30 

31 

29 

28 

30

30 

27 

26 

25 

24

24 

24 

23 

24 

24

23 

24 

32 

30 

25 

24

Per 

square 

mile

1.07 

4.19 

6.75

-

5.34 

5.15

2.17 

3.94 

1.07 

.896 

.560 

.364 

.464

2.64

sec. -ft.

Aug.

22 

21 

21 

23 

22

21 

19.5 

18.5 

18.5 

18.5

19.5 

20 

18.5 

17.5 

17.5

18.5 

18.5 

17.5 

17.5 

17

17 

17 

17 

16.5 

16.5

16.5 

16 

16 

16 

32 

30

Sept

24 

22 

20 

19 

20

20 

26 

48 

70 

50

34 

26 

24 

22 

20

19.5 

22 

23 

22 

19.5

18.5 

20 

20 

18.5 

18

19.5 

18 

18.5 

18.5 

18

Runoff

Inches Acre-feet

1.24 3,500 

4.67 13,210 

7.80 22,030

-

6.16 17,420 

5.36 15,160 

2.50 7,060 

4.40 12,450 

1.23 3,480 

1.00 2,820 

.65 1,830 

.42 1,190 

.52 1,460

35.95 101,600

; Jan. 24 (9 p.m.)

1,020 sec.-ft.; Feb. 2 (6 p.m.) 868 sec.-ft.; Apr. 20 (10 a.m.) 732 sec.-ft.

a Ho gage-height record; discharge computed on basis of recorded range in stage and records for 

nearby streams. ~

Note.- Shifting-control method used Oct. 1-23, Aug. 1-24, Sept. 10-30.
SNOHOMISH RIVER BASIN

Roesiger Creek near Machias, Wash.

Location.- Water-stage recorder, lat. 47°57'50" (revised), long. 121°55'00", In SW£ sec. 

28, T. 29 N., R. 7 E., at downstream end of culvert, half a mile downstream from Roeslger Lake and 6| miles east of Machias. Prior to Aug. 6, 1947, at site at upstream 

end of culvert.

Drainage area.- 3.8 square miles.

Records available.- June 1946 to September 1947.

Extremes.- Maximum discharge during year, 69 second-feet Dec. 12 (gage height, 3.75 feet): 

minimum, 0.07 second-foot Oct. 2, 3, 4 (gage height, 0.22 foot).

1946-47: Maximum discharge, that of Dec. 12, 1946; minimum, 0.02 second-foot 

Sept. 13, 1946 (gage height, 0.17 foot).

Remarks.- Records fair. Natural regulation by Roesiger Lake. No known diversion.

Rating tables, water year 1946-47 (gage height, in feet,

and discharge, in second-feet) 

(Shifting-control method used Apr. 20 to Aug. 5)

0.2 

.4

Oct. 1 to Aug. 5 Aug. 6 to Sept. 30

0.05 

.32 

1.3 

3.2 

7.1

1.3 

1.6 

1.9 

2.2 

2.5

2.8 

3.1 

3.4

0.4 

.5

0.06 

.16 

.55

Discharge, in second feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

0.09

.07

.07

.11

.11

.11

.17

.IS

.13

.13

.12

.12

.12

.12

.12

.12

.13

.13

.14

.29

.38

.38

.51

3.0

7.1

11

11.5

12

12

12

11

Nov.

12

11

11

10.5

9.8

9.0

8.3

7.1

7.1

9.0

9.0

8.7

8.3

7.5

6.8

6.1

7.1

13.5

21

20

15.5

21

35

45

48

49

45

39

35

31

-

Dec.

26

26

26

33

44

41

37

40

39

37

46

F9

64

56

5O

44

39

32

27

20

18

17

15.5

15

13.5

12

13.5

13.5

12

11.5

11

Jan.

10.5

10

9.4

8.7

8.7

8.3

7.9

7.9

7.5

10

12

16.5

18

17

IP

13.5

13.5

15.5

20

22

22

26

33

48

57

59

53

44

35

32

28

Month

October .......................

November ......................

December ......................

Calendar year .........

January .......................

February ......................

March .........................

April .........................

May ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

28

38

39

36

32

27

24

21

17

16

16

18

19

27

30

29

26

24

20

19

19

18

17

16

15

13.5

12

10

-

-

-

Secondfoot-days

83 42

see'.z

yao o

-

688 . 9

626 . 5

254. 6

535 . 3

126.03 

59.03

41.5

6.67 

11.11

3,937.86

Mar.

9.0

8.3

8.3

7.5

7.1

6.6

7.1

7.9

8.3

12

12.5

12.5

12.5

12

11

9.8

8.3

7.1

6.6

6.1

6.6

8.3

7.5

7.1

6.8

6.4

6.1

5.8

5.8

6.6

7.1

Maximum

12

49

64

-

59

3912 . 5

36

11

3.9

3.5

.47 

.55

64

Apr.

9.8

12

13

14.5

15

15

14

14.5

16

18.5

18.5

18.5

17

15.5

13.5

10.5

11.5

14

22

36

35

32

28

26

22

19

17

13

12.5

11.5

-

May

11

10.5

9.4

8.7

7.9

6.8

5.8

5.6

6.1

5.1

4.5

4.0

4.0

3.5

3.5

3.0

2.8

2.8

3.1

3.0

2.5

1.9

1.8

1.5

1.3

1.3

1.2

.98

.92

.80

.73

Mini mum

0.07

6.1

11

-

7.5

10

5.8

9 8

.73 

.59

.41

.09 

.15

.07

June

0.73

.73

.67

.59

.59

.59

.73

1.0

1.5

1.5

1.4

1.2

1.4

1.5

1.4

2.4

3.1

3.0

3.0

3.1

2.9

2.5

2.3

2.1

1.9

2.3

3.3

3.9

3.9

3.8

-

Mean

2 69

18.9

30.3

-

22.2

22.4

8 . 21

17.8

4.07

1.97

1.34

. 215 

1370

10.8

July

3.5

3.1

2.9

2.6

2.4

2.1

2.0

1.9

1.7

1.5

1.2

1.3

1.2

1.2

1.2

1.2

1.1

.98

.98

.92

.73

.67

.63

.63

.59

.55

.51

.73

.63

.44

.41

Per 

square 

mile

0.708

4.97

7.97

-

5.84

5 . 89

2. 16

4. 68

1.07

. 518

.353

.057 

.097

2.84

Aug.

0

f

f

44

47

44

41

41

35

31

27

27

25

21

20

18

17

19

19

18

16

14

13

12

11

11

10

10

10

09

09

09

21

18

Sept.

0.17

.16

.15

.16

.15

.16

.37

.37

.55

.46

.41

.41

.33

.29

.27

.31

.37

.35

.33

.35

.49

.49

.49

.49

.49

.49

.49

.49

.52

.55

~

Runoff

Inches

0 . 82

5.54

9 . 18

-

6.74

6.13

2 . 49

5 . 24

l!23

. 58

.41

.07 

.11

38.54

Acre-feet

165

1,120

1,860

-

1,370

1,240

505

1,060

250

117

82

13 

22

7,800

f Computed on basis of partly estimated gage-height record. 

Mote.- No gage-height record Jan. 14-16, May 12-21; discharge computed on basis of recorded range 

in stage and records for Little Filchuck Creek near Lake SteVens.
138 SNOHOMISH RIVKR BASIN

Snoqualmie River near Tolt_, Wash.

Location.- Water-stage recorder, lat. 47°39'55", long. 121°55'30", in sec. 9, T. 25 N., 

K. YE., 100 feet downstream from highway bridge, 1 mile northwest of Tolt, and 2 

miles downstream from Tolt River. Auxiliary water-stage recorder, 1st. 47°39'00", 

long. 121°55'25", In SWi sec. 16, T. 25 N., R. 7 E., at Tolt, three-quarters of a 

mile downstream from Tolt River and l£ miles upstream from base gage. Datum of each 

gage Is at mean sea level, unadjusted.

Drainage area.- 605 square miles.

ReToras available.- October 1928 to September 1947.

Average discharge?- 19 years, 3,548 second-feet.

Extremes.- Maximum discharge during year, 32,600 second-feet Dec. 11 (elevation, 56.59 

feet); minimum, 360 second-feet (regulated) Oct. 3 (elevation, 43.81 feet); minimum 

daily, 640 second-feet (regulated) Aug. 28.

1329-47: Maximum discharge, 51,000 second-feet Feb. 26, 1932; maximum elevation 

recorded, 59.9 feet Nov. 13, 1932; minimum discharge, 239 second-feet Aug. 21, 1945; 

minimum daily discharge, 396 second-feet (regulated) Sept. 24,"S,938.

Remarks.- Records good. Low flow diverted for operation uf power plant at Snoqualmle 

Falls but returned .to river above station. Some pondage at Snoqualmie Falls and 

some diurnal fluctuation caused by power plant.

44.3

44.5

44.7

45.0

45.5

46.0

Rating tables, water year 1946-47, except period Dec. 12-15 when fall K 

(gage height, In feet, and discharge, in second-feet) 

(Shifting-control method used Feb. 14 to Sept. 9)

Oct. 1 to Dec. 11 Dec. 16 to Sept. 30

652

790

940

1,190

1,700

2,320

46.5

47.0

48.0

49.0

50.0

51.0

Note.- Same as following 

table above 51.0 feet.

3,060

3,920

5,950

8,200

10,600

13,300

44.2

44.4

44.7

45.0

45.5

46.0

590

740

1,000

1,290

1,830

2,470

46.5

47.0

48.0

49.0

50.0

51.0

3,230

4,080

6,000

8,230

10,700

13,300

52.0

53.0

54.0

55.0

56.0

16,100

19,000

20,300

25,500

29,100

Discharge, in second-feet, water year October 1945 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

710 

754 

667 

768 

917

868 

886 

902 

828 

818

730 

744 

694 

878 

894

858 

780 

738 

740 

1,620

4,480 

2,900 

5,200 

11,800 

19,200

14,900 

6,170 

4,200 

3,390 

3,060 

2,750

Nov.

3,740 

3,060 

2,530 

2,390 

2,390

2,460 

2,820 

2,390 

2,190 

2,900

2,680 

2,320 

2,120 

2,000 

1,880

1,760 

2,150 

6,610 

5,300 

3,920

3,140 

3,480 

5,300 

6,170 

7,050

9,900 

9,160 

8,920 

6,390 

5,300

Dec.

4,290 

5,300 

5,510 

6,830 

8,920

7,510 

6,610 

7,280 

6,390 

10,400

23,600

22,100 

22,200 

28,800 

20,700

12,800 

8,080 

6,420 

5,590 

5,000

4,720 

5,590 

5,000 

4,350 

4,080

3,990 

4,080 

3,640 

3,390 

3,150 

3,070

Jan.

2,910 

2,760 

2,610 

2,470 

2,400

2,540 

2,330 

E,260 

2,260 

2,980

4,170 

3,480 

3,070

2,680 

2,470

2,470 

2,470 

2,610 

4,530 

3,730

4,350 

6,490 

18,300 

28,200 

22,200

19,700 

11,600 

7,770 

6,210 

5,390 

4,720

Month

Ooto 

Move 

Deoe

Ca

Janu 

Febr 

Maro 

Apri 

May 

June 

July 

Augu 

Sept

ffa

ber .......................

mber ......................

lendar year 1946 .........

ary

nary

ember .....................

ter year 1946-47. .........

Feb.

4,860 

10,800 

8,460 

6,420 

5,390

4,810 

4,530 

4,260 

3,990 

3,730

4,080 

5,590 

8,010 

13,100 

12,700

8,010 

6,210 

5,190 

4,530 

4,060

4,170 

4,350 

4,350 

4,080 

3,730

3,390 

3,150 

2,910

Secondfoot-days

94,844 

122,420

269,390

1,553,881

192,130 

158,860 

118,830 

168,040 

132,230 

119,820 

57,220 

27,866 

48,429

1,510,079

Mar.

2,680 

2,610 

2,840 

3,480 

2,910

2,680 

2,540 

2,610 

2,680 

3,310

4,170 

3,640 

3,230 

3,230 

3,820

4,350 

5,000 

5,190 

4,720 

4,440

4,350 

7,880 

5,790 

4,720 

4,080

3,640 

3,310 

3,150 

3,070 

3,900 

4,810

Maximum

19,200 

9,900 

28,800

28,800

28,200 

13,100 

7,880 

12,200 

5,790 

7,770 

3,230 

1,340 

5,080

28,800

Apr.

5,590 

5,530 

4,530 

4,170 

3,900

3,640 

3,480 

3,480 

4,260 

f5,000

f4,620 

4,350 

4,530 

5,190 

5,530

5,190 

5,590 

11,200 

12 , 200

11,700

7,310 

5,790 

5,000 

4,720 

4,440

4,530 

5,390 

5,590 

6,000 

5,590

May

4,530 

5,590 

5,590 

4,720 

4,440

4,810 

5,790 

5,190 

5,190 

4,720

3,820 

3,730 

3,480 

3,070 

2,910

3,140 

3,640 

3,230 

4,720 

4,720

4,350

4,080 

3,990 

4,260 

4,620

4,620 

4,810 

4,530 

3,640 

3,310 

2,990

Minimum

667 

1,760 

3,070

623

2,260 

2,910 

2,540 

3,480 

2,910 

2,610 

1,200 

640 

732

640

June

2,840 

3,230 

3,310 

2,990 

2,910

3,480 

3,480 

4,720 

7,540 

7,770

5,590 

4,170 

3,730 

3,730 

3,390

3,730 

4,810 

3,820 

3,480 

3,070

2,840 

2,680 

2,610 

2,680 

2,680

3,860 

6,420 

6,000 

4,620 

3,640

Mean

3,059 

4,081 

8,690

4,257

6,198 

5,674 

3,833 

5,601 

4,265 

3,994 

1,846 

899 

1,614

4,137

Peak discharge.- Oct. 25 (11 D.m.l 21,200 spc.-ft.; Tiff., n (9:30 p. m _

Jul"

3,230 

3,070 

2,760 

2,540 

2,330

2,260 

2,140 

2,010 

1,830 

1,890

1,720 

1,950 

1,830 

1,610 

1,930

1,890 

1,720 

1.F60 

1,610

1,*40

1,390 

1,340 

1,260 

1,270 

1,210

1,?40 

1,200 

1,610 

2,200 

1,720 

1,440

Aug.

1,340 

1,210 

1,210 

1,180 

1,110

1,050 

1,010 

964 

973 

928

928 

850 

842 

834 

850

859 

842 

800 

825

748

717 

732 

701 

724 

662

655

670 

640 

662 

1,010 

1,340

Sept.

982 

868 

816 

748 

766

732 

859 

1,730 

3,840 

5,080

2,840 

2,070 

1,640 

1,460 

1,340

1,700 

2,930 

2,440 

2,030 

1,620

1,510 

1,410 

1,300 

1,230 

1,200

1,100 

1,120 

1,060 

1,030 

978

Per Runoff

Bile Inches

5.06 5.83 

6.75 7.53 

14.4 16.56

7.04 95.52

10.2 11.81 

9.38 9.77 

6.34 7.30 

9.26 10.33 

7.05 8,13 

6.60 7.37 

3.05 3.52 

1.49 1.71 

2.67 2.98

6.84 92.84

32,600 sec. -ft

Acre-feet

188,100 

242,800 

534,300

3,082,000

381,100 

315, 100 

235,700 

333,300 

262,300 

237,700 

113,500 

55,270 

96,060

2,995,000

.; Jan. 24

f Computed on basis of partly estimated gage-height record.
SNOHOMISH RIVER BASIN 139 

North Fork Snoqualmie River near Snoqualmie Palls, Wash.

Location.- Water-stage recorder, lat. 47°37'10", long. 121°42'35", in SW^ se?. 30, T. 25 

N. , K. 9 E., 1 mile upstream from Calligan Creek, 8 miles northeast of Snoqualmie Falls, 

9 milps northeast of Snoqualmie, and 9^ miles upstream from mouth.

Drainage arear- 65 square miles.

Records available.- August 1929 to September 1947.

Average discharge.- 18 years, 482 second-feet.

Extremes.- Maximum discharge during year, 6,190 second-feet Dec. 11 (gage height, 13.75 

feet), from rating curve extended above 2,200 second-feet; minimum, 58 second-feet 

Aug. 28-30 (gage height, 2.37 feet).

1929-47: Maximum discharge, 8,320 second-feet Jan. 7, 1945 (gage height, 16.3 feet, 

from high-water mark in gage house), from rating curve extended above 2,200 second-feet; 

minimum, 30 second-feet Sept. 17-19, 1929.

Remarks.- Records good. No diversion or regulation.

Rating table, water year 1946-47 (gage height, In feet, 

and discharge, in second-feet)

2.3 54 3.7 215 7.0 1,500 

2.5 67 4.0 281 8.O 2,100 

2.8 93 4.5 422 9.0 2,700 

3.1 126 5.0 595 10.0 3,350 

3.4 166 6.0 1,000 11.6 4,470

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

89 

91 

87 

103 

144

105 

114 

138 

114 

107

98 

91 

88 

120 

119

111 

103 

95 

95 

742

742 

698 

1,080 

3,200 

3,380

1,300 

690 

490 

393 

324 

329

Nov.

525 

357 

301 

309 

375

422 

438 

327 

304 

419

296 

274 

248 

227 

215

191 

568 

955 

595 

406

316 

521 

830 

710 

1,100

1,510 

1,690 

1,050 

750 

560

Dec.

419 

856 

830 

1,150 

1,050

870 

770 

955 

858 

2,390

4,350 

2,020 

3,560 

3,490 

1,740

978 

730 

578 

490 

438

490 

830 

578 

455 

406

422 

396 

332 

298 

274 

262

Jan.

248 

225 

2O6 

199 

202

204 

186 

189 

194 

656

560 

390 

309 

255 

217

217 

217 

288 

438 

319

656 

1,550 

4,470 

3,440 

2,280

1,810 

955 

690 

542 

455 

381

Feb.

448 

1,450 

750 

525 

438

396 

372 

360 

329 

329

604 

1,120 

1,740

2,460 

1,500

932 

670 

578 

490 

455

508 

578 

595 

542 

455

381 

332 

309

u««*v. SecondMonth foot-days

Octc 

Move 

Dece

Ca

Janu 

Pebi 

Marc 

Apri 

May 

June 

Julj 

Augu 

Sept

We

lendar year 1946 

ary

h .........................

ember .....................

15,380 

16,789 

33,265

208,852

22,948 

19,646 

15,798 

24,676 

18,881 

17,711 

6,557 

2,738 

5,227

ter year 1946-47 .......... 199,616

Mar.

284 

271 

346 

416 

324

281 

271 

274 

274 

381

508 

403 

343 

438 

595

750 

850 

790 

670

612

764 

1,340 

710 

578 

490

438 

366 

332 

354 

595 

750

Maximum

3.38C 

1.69C 

4,35C

4,35C

4,47C 

2,46C 

1.34C 

2.40C 

955 

1.62C 

402 

169 

1,12C

4,47C

Apr.

850 

730 

542 

472 

419

390 

363 

390 

525 

710

650 

560 

670 

830 

870

790 

950 

2,340 

2,400 

1,700

955

730 

630 

612 

560

670 

850 

790 

978 

750

May

670 

955 

750 

630 

612

770 

870 

710 

790 

578

455 

508 

393 

343 

360

508 

490 

455 

850 

650

595 

560 

595 

690 

730

750 

750 

612 

455 

419 

378

Minimum

87 

191 

262

62

186 

309 

271 

363 

343 

352 

122 

59 

73

59

June

393 

472 

472 

406 

438

560 

542 

878 

1,620 

1,200

670 

525 

525 

525 

416

681 

710 

525 

455 

390

354 

352 

354 

363 

352

869 

910 

790 

542 

422

1947

July

403 

372 

324 

284 

276

257 

225 

204 

199 

194

202 

225 

197 

191 

262

211 

187 

174 

160 

148

125 

130 

122 

125 

130

129 

. 132 

326 

296 

189 

158

Per 

Mean square 

mile

496 7.63 

560 8.62 

1,073 16.5

572 8.80

740 11.4 

702 10.8 

510 7.85 

823 12.7 

609 9.37 

590 9.08 

212 3.26 

88.3 1.36 

174 2.68

547 8.42

Peak discharge.- Oct. 24 (8 a.m.) 4,190 sec. -ft.; Oct. 25 (9:30 a.m.) 4,680 sec

Aug.

142 

130 

124 

116 

112

106 

102 

98 

96

94

91 

88 

85 

83 

80

80 

80 

75 

72 

69

67 

66 

65 

64

62

61 

59 

59 

59 

84 

169

Sept.

103 

88 

80 

76 

73

73 

76 

174 

562 

1,120

377 

237 

f!84 

al50 

aI30

a!25 

al40 

al60 

f!74 

al50

a 130 

allO 

a 100 

a97 

a93

a 91 

a 90 

a89 

a88 

a87

Runoff

Inches

8.80 

9.61 

19.03

119.49

13.13 

11.24 

9.04 

14.12 

10.80 

10.13 

3.75 

1.57 

2.99

114.21

Ac re- feet

30,510 

33,300 

65,980

414,200

45,520 

38,970 

31,330 

48,940 

37,450 

35,130 

13,010 

5,430 

10,370

395,900

.-ft.; Dec. 11

(5 a.m.) 6,190 sec.-ft.; Dec. 14 (12 to 1 a.m.) 4,470 sec.-ft.; Jan. 22 (12:30 p.m.) £,310 sec.-ft.; 

Jan. 23 (4 a.m.) 4,990 sec.-ft.

a No gage-height record; discharge computed on basis of records for Tolt River near Tolt.

f Computed on basis of partly estimated gage-height record.
140 SNOHOMISH RIVER BASIN

South Fork Snoqualmie River at North Bend, Wash.

Location.- Water-stage recorder, lat. 47°89'40", long. 1C1°47'20", in NE-J- sec. 9, T. 23 N., 

R. 8 E., at North Bend, 2 miles upstream from mouth.

Drainage area.- 83 square miles.

Records available.- June 1945 to September 1947. July 1907 to September 1926, February 

1929 to September 1938 at sites 1 mile upstream.

Average discharge.- 30 years, 543 second-feet.

Extremes.- Maximum discharge during year, 6,490 second-feet Dec. 11 (gage height, 3.70 

feet); minimum, 102 second-feet Oct. 18, 19.

1907-26, 1989-38, 1945-47: Maximum discharge recorded, 7,620 second-feet Oct. 25, 

1934 (gage height, 11.2 feet, site and datum then in use), from rating curve extended 

above 2,000 second-feet, but may have been greater Nov. 3, 4, 19, 23, 29, 1909, when 

water was over gage; minimum discharge, 63 second-feet Oct. 22, 1925 (gage height, 1.14 

feet, site and datum then in use).

Remarks.- Records good except those for periods of shifting control, which are fair. Some 

small diversions for irrigation and domestic use. No regulation.

Rating tables, water year 1946-47, except period of shifting control 

(gage height, In feet, and discharge, in second-feet)

Oct. 1 to Dec. 10 Dec. 11 to Sept. 3O

2.0 

2.2 

2.4 

2.6

131

185

247

2.9 

3.2 

3.5 

4.0

353

479

610

835

4.5 

5.0 

6.0 

6.6

1.O7O 

1,350 

2,090 

2,600

2.O 

2.2 

2.5

2.8 

3.1

101

183

315

460

620

3.5

4.0 

4.5 

5.0 

6.0

840

1,130

1,430

1,740

2,440

7.0 

8.0 

9.0

3,250

4,210

5,470

Discharge, in second feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

112 

1O9 

109 

119 

129

119 

124 

124

119 

114

112 

109 

112 

121 

114

112 

107 

102 

107 

246

493 

361 

535 

1,300 

2,540

1,300 

768 

562 

479 

415 

382

Nov.

436

365 

334 

304 

290

298 

323 

298 

287 

357

319 

290 

273 

260 

247

231 

374 

7SS 

632 

492

407 

419 

445 

531 

683

1,140 

1,120 

995 

812

700

Dec.

588 

588 

610 

745 

970

902 

835 

858 

858 

1,630

4,900 

2,760 

4,550 

4,500 

2,360

1,520 

1,190 

980 

895 

812

785 

812 

785

730 

702

702 

675 

620 

582 

554 

538

Jan.

523 

491 

460 

435 

455

460 

420 

405 

391 

538

549 

512

470 

420 

400

400 

381 

46O 

598 

496

570 

837 

2,770 

3,340 

2,440

2,350 

1,430 

1,070 

368 

812 

675

Feb.

758 

1,310 

980 

840 

758

702 

664 

620 

582 

549

570 

636 

892

1,670 

1,610

1,190 

980 

868 

758 

7O2

675 

675 

702 

675 

653

598 

554 

517

Month ,Se?°!5d~ foot-days

Goto 

Nove 

Dece

Ca

Janti 

Febi 

Marc 

Apr! 

May 

June 

Julj 

Augu 

Sept

Vc

lendar year 1946 .....

1 ........ .........

11,555 

14,430 

40,536

232,150

ember ................... .

26,426 

22,688 

19,923 

24,877 

22,351 

16,708 

8,627 

4,829 

6,538

ter year 1946-47 .......... 219, 488

Mar.

486 

476 

502 

528 

470

440 

430 

425 

430 

538

598 

528 

486 

512 

604

730 

868 

922 

868 

812

868 

1,340 

950 

785

7O2

620 

554 

523 

523 

675 

730

Maximum

2,540 

1,140 

4,900

4,900

3,340 

1,670 

1,340 

1,640 

1,040 

1,010 

481 

204 

481

4,900

Apr.

758 

730 

653 

620 

565

538 

502 

502 

533 

664

636 

576 

631 

812 

922

895 

950

1,370 

1,640 

1,490

1,010 

840 

785 

758 

730

812 

980 

1,010 

1,070 

895

May

1

Minimum

102 

231 

538

102

381 

517 

425 

50E 

476 

376 

209 

121 

121

102

758 

950 

895 

812 

785

895 

,O40 

922 

895 

758

664 

675 

609 

549 

538

582 

604 

570 

785 

758

730 

675 

670 

730 

758

758 

758 

675 

554 

523 

476

June

470 

549 

507 

470 

450

512 

502 

675 

812 

1,010

730 

598 

538 

533 

486

533 

587 

491 

465 

440

415 

400 

391 

386 

376

549 

84O 

812 

648 

533

Mean

373 

481

1,308

63G

852 

810 

643 

829 

721 

557 ''IB 

156 

218

601

July

481 

440 

391 

362 

348

338 

315 

302 

292 

284

279 

284 

270 

270 

274

257 

248 

244 

239 

230

226 

217 

213 

209 

213

209 

209 

274 

274 

226 

209

Per 

square

mile

4.49 

5.80 

15.8

7.66

10.3 

9.76 

7.75 

9.99 

8.69 

6.71 

3.35 

1.88 

2.63

7.24

Aug.

204 

200 

196 

192

187

183 

179 

175 

179 

175

170 

166 

162 

154 

149

149 

149 

141 

141 

133

133 

133 

129 

129 

121

121 

121 

121 

121 

154 

162

Sept.

141 

129 

125

121 

121

121 

149 

274 

430 

481

302 

235 

204 

187 

175

287 

410 

338 

274 

244

222 

204 

196 

183 

175

170 

166 

162 

158 

154

Runoff

Inches

5.18 

6.47 

18.16

104,01

11.84 

10.17 

8.93 

11.15 

10.01 

7.49 

3.87 

2.16 

2.93

98.35

Acre-feet

22,920 

28,620 

80,400

460,500

52,420 

45,000 

39,520 

49,340 

44,330 

33,140 

17,110 

9,580 

12,970

435,400

Peak discharge.- Dec. 11 (11:30 a.m.) 6,490 sec. -ft.; Dee. 14 (5:30 a.m.) 5,470 sec. -ft.; Jan. 24

(10 a.m.) 4,000 sec. -ft. 

Note.- Shifting-control method used Oct.. T6 to Dec. 10.
3NOHOMISH RIVER BASIN 141

Raging River near Fall City, Wash.

Location.- Water-stage recorder, lat. 47°32'25", long. 121°54'10", on west line sec. 27, 

T. K4 N. , R. 7 E., 2 miles southwest of Fall City and 2-| miles upstream from mouth.

Drainage area.- 31.2 square miles.

Records available.- July 1945 to September 1947.

Extremes.- Maximum discharge during year, 1,650 second-feet Dec. 11 (gage height, 4.97 

reet); minimum, 10 second-feet Aug. 26 (gage height, 1.09 feet).

1945-47: Maximum discharge, that of Dec. 11, 1946; minimum, that of Aig. 26, 1947.

Remarks.- Records good except those for period of shifting control, which are fair. Some 

small diversion for irrigation and domestic use. No regulation.

Rating table, water 

(gage height

1.1

1.2 

1.4 

1.7

year 1946-47, except period of shifting control 

;, In feet, and discharge, In second-feet)

2.0 

2.3 

2.6 

3.0

85

130

193

310

3.5

4.0 

4.6

535

840

1,320

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

17.5

17

16

20

21

17

23

24

21

20

17.5

17

17.5

28

22

19.5

18.5

17.5

19

148

136

104

121

201

372

351

201

141

155

176

154

Nov.

156

122

104

91

80

86

88

78

80

176

139

114

99

88

82

73

266

470

280

2O9

165

284

470

638

602

546

552

385

307

241

Dec.

196

253

225

381

626

394

349

390

373

566

1,260

1,100

1,230

1,280

816

455

300

227

188

161

143

135

120

110

100

111

132

106

96

85

81

Jan.

77'

70

66

60

64

68

60

57

56

120

117

122

102

84

80

78

78

169

316

219

303

437

861

1,030

1,130

-798

430

290

216

179

146

Month

October ... ...................

November . . ...................

December ......................

Calendar year 1946 .........

January ... ...................

February ....... ..............

liaroh .........................

April ............. ...........

 ay ........... ...............

June ........... ..............

July

August ........................

September .....................

Water year 1946-47 ..........

Feb.

400

931

421

 277

219

186

165

148

130

124

146

169

270

590

398

277

214

176

152

135

132

122

111

100

93

85

80

75

_

_

-

Secondfoot-days

2,633.0

7,071

11,989

57,982.5

7,883

6,326

4 374

5*123

1,179.5

2,367.0

896.5

466.0

1,195.5

51,503.5

Msr.

68

67

111

169

128

110

106

139

163

284

287

203

161

137

120

105

95

86

78

72

88

262

171

179

156

152

130

112

104

179

152

Maximum

372

638

1,280

1,280

1,130

931

287

334

71

18£

65

41

172

1,280

Apr.

278

241

188

183

186

171

152

190

241

294

241

191

156 -

137

119

102

121

183

334

265

198

163

137

120

106

95

81

78

95

77

-

Bay

71

67

65

57

52

48

45

43

58

51

45

41

38

36

33

33

33

32

49

39

32

28

26

23

21

21

19

18.5

19

18.5

17.5

Minimum

16.0

73

81

12.5

56

75

67

77

17.5

19.0

18.5

10.5

11.0

10.5

June

19

27

22

28

25

91

73

143

124

188

135

99

76

71

54

119

112

86

75

 66

56

46

40

33

30

88

120

135

105

81

-

He an

84.9

236

387

159

254

226

141

171

38.0

78.9

28 . 9

15.0

39.8

141

July

65

53

48

44

38

34

32

29

26

25

25

32

26

24

41

30

24

21

22

21

19.5

19

19

18.5

19

19

19.5

32

28

22

21

Per 

square 

mile

2.72

7.56

12.4

5.10

8.14

7.24

4.52

5.48

1.22

2 .53

.926

.481

1.28

4.52

Aug.

19

19

17

17

17

17

16

15

15

15

15

14

13

13

13

13

13

13

13

12

12

11

11

11

11

10

10

10

11

41

21

.5

.5

.5

.5

.5

.5

.5

.5

.5

.5

.5

.5

.5

.5

.5

.5

Sept.

14.5

12.5

11.5

11.5

11

11.5

36

81

82

64

38

26 ' 21

18.5

17

172

148

85

57

44

36

32

26

23

21

21

19.5

19

18.5

17.5

-

Runoff

Inches

3.14

8.43

14.29

69.13

9.40

7.54

5.21

6.11

1.41

2.82

1.07

.56

1.43

61.41

Acre-feet

5,220

14,030

23,780

115,000

15,640

12,550

8,680

10,160

2,340

4,690

1,780

9E4

2,370

102,200

Note.- Shifting-control method used Apr. 1 to Sept. 10.
142 SNOHOMISH RIVER BASIN

Patterson Creek near Fall City, Wash.

Location.- Water-stage recorder, lat. 47°35'00", long. 121°56'2S", in NV'£ sec. 8, T. 24 

H. , K. 7 E., 2 miles upstream from mouth and 2fj- miles northwest of Pall City.

Drainage area.- 16.5 square miles; 19.6 square miles at former location.

Records available.- February to September 1947. June to October 1945 at site l£ miles 

downstream.

Extremes.- Maximum discharge during period, February to September, 78 second-feet June 10 

(gage height, 1.82 feet); minimum, 7.1 second-feet Aug. 33, 24, 27 (gage height, 0.69 

foot) .

1945-47: Maximum discharge not determined, probably occurred sometime during period of no gage-height record in 1945; minimum, that of Aug. 23, 24, 27, 1947.

Remarks.- Records good except those for periods of no gage-height record or shifting control, which are fair. Some small diversion on Patterson Creek and tributary for irrigation and domestic use. No regulation.

Rating table, February to September 1947 (gage height, In feet, 

and discharge, in second-feet)

0.7 7.3 1.3 38 

.9 15 1.5 52 

1.1 26 1.7 68

Discharge, in second feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct. Nov. Dec. Jan.

Honth fj^<

Octc 

Hove 

Dece

Ca

Janu 

Febr 

Hare 

Apri 

Hay 

June 

July 

Augu 

Sept

Tl

mber ......................

lender year

 uary 18

Feb.

51 

47 

43

39 

38 

35 

33 

31

29 

28 

27

ond-

-days

ember ................. ...

401 

939 

067 

420 

571 

311.7 

265.6 

324.6

le period ..................

Mar.

26 

25 

29 

34 

29

27 

30 

36 

39 

53

45 

39 

36 

33 

31

29

27 

25 

24 

23

27 

37 

29 

26 

26

26 

22 

21 

21

33 

31

Maximum

51 

53 

57 

19 

58 

12.5 

14 

21

-

Apr.

44 

42 

39 

42 

40

34 

31 

36 

41 

48

43 

37 

33 

30 

27

24 

31 

57 

57 

52

44 

37 

33 

30 

27

24 

22 

20 

22 

20

May

18 

18 

17 

16 

15

14 

14 

14 

19 

16

15 

14 

14 

13 

13

13 

13 

13 

13 

13

12 

12 

12 

12 

11

11 

11 

10 

11 

11 

12

June

13 

14 

12 

13 

13

16 

29 

35 

27 

58

32

24 

19 

17 

16

27 

20 

18 

16 

16

15

14 

13 

12 

11

12 

14 

17 

15 

13

1947

July

12.5 

12 

11.5 

11 

10.5

10 

9.8 

9.8 

10 

9.8

10 

11 

9.8 

9.8 

11

10 

9.4 

9.4 

9.4

9.0

s.o

e.7

8.7

£.0

1C

1C 

S .8 

12 

1C 

S.4 

9.4

Per 

Minimum Mean square 

mile

Aug.

9.4 

8.7 

8.4 

8.4 

8.0

8.0 

8.0 

8.4 

10 

9.4

8.7 

8.7 

8.7 

8.4 

8.4

8.4 

9.4 

7.6

7.6 

8.0

8.0 

8.4 

7.6

.6 

.6

.6 

.6 

.6 

8.0

14 

11

Sept.

9.8 

10 

11 

10 

9.8

9.8 

11 

12 

12 

12

10 

10 

9.8 

9.8 

10

21 

16 

12 

11

10

9.8 

9.8 

9.8 

9.8 

9.8

9.4 

9.4 

10 

9.8 

10

Runoff

Inches

27 36.5 2.21 

21 30.3 1.84 

20 35.6 2.16 

10 13.5 .818 

11 19.0 1.15 

8.7 10.1 .612 

7.6 8.57 .519 

9.4 10.8 .655

_

O.90 

2. IS 

2.40 

.95 

1.29 

.70 

.60 

.73

.

Acre-feet

795 

1,860 

2,120 

833 

1,130 

618 

527 

644

8,530

Note.- No gage-height record Hay 8-14, June 22 to July 6; discharge computed on basis of recorded 

range in stage and records for nearby streams. Shifting-control method used Sept. 16-30.
SNOHOMISH RIVER BASIN 143

Griffin Creek near Tolt, Wash.

Location.- Water-stage recorder, lat. 47°37'00", long. 121°54 I 30", in SE^ sec. 28, T. 25 

N. , K. 7 E., half a mile upstream from mouth and 2 miles south of Tolt.

Drainage area.- 16.8 square miles.

Records available.- June 1945 to September 1947.

Extremes.- Maximum discharge during year, 306 second-feet Dec. 15 (gage height, 3.58 

reetj; minimum, 3.3 second-feet Aug. 21-23, 26, 27.

1945-47: Maximum discharge, that of Dec. 15, 1946; minimum, 2.6 secord-feet 

Aug. 22, 23, 1945 (gage height', 0.75 foot).

Remarks.- Records good except those for periods of shifting control, which =re fair. 

Some small diversions for irrigation and domestic use. No regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

6.3

5.5

5.3

6.3

6.6

6.1

8.2

7.6

7.0

6.6

6.1

5.9

6.6

9.9

8.2

7.3

6.8

7.3

6.8

9.9

11

11

12

24

59

84

61

44

39

41

39

Nov.

38

37

34

30

27

26

26

23

23

40

48

45

39

34

34

29

40

137

143

111

86

108

175

206

200

163

135

114

96

77

-

Dec.

65

71

74

98

168

155

116

99

86

81

111

186

224

271

265

190

129

10O

80

67

57

55

50

46

44

46

62

66

65

62

59

Jan.

60

56

53

50

47

48

46

40

38

48

56

67

70

67

67

66

55

66

116

138

137

157

219

284

252

217

162

130

104

92

75

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March .........................

April .........................

Mav

June ..........................

July ..........................

August ........................

September .....................

Water year. 1946 47 ..........

Feb.

82

221

200

153

124

104

89

76

65

57

57

66

89

160

165

133

108

87

74

62

55

51

47

41

37

34

31

29

_

-

Secondfoot-days

565.3

2,324

3J248

16,544.2

3,083

2,497

1,157

2 , 016

437.6

614.9

306.6

136 . 6

253.8

16,639.8

Mar.

27

26

28

40

34

32

34

37

42

61

68

65

55

48

42

35

31

27

25

23

24

37

37

34

32

31

28

25

23

37

69

Maximum

84

206

271

271

284

221

114

24

31

21

8.2

17

284

Apr.

86

96

87

84

81

70

60

59

70

89

96

86

71

60

49

40

46

85

108

114

94

76

62

51

42

37

34

29

28

26

-

May

24

22

20

18

17

16

16

16

20

17

16

16

14

14

14

14

12

13

14

1?

12

11

11

10

9.9

10

9.9

9.5

9.9

9.9

9.5

Minimum

5.3

23

44

4.5

38

29

23

9 5

gig

6.1

$'.5 3 4

3.4

June

9.9

11

11

11

11

15

16

19

21

31

31

28

25

23

20

27

28

27

26

23

21

19

17

14

18

22

24

26

24

Mean

18 2

77)5

105

45.3

99 5

89 . 2

37.3

67 . 2

14.1

20.5

4!41

8.46

45.6

July

21

18

17

15

14

12

11

10

9.9

9.5

8.8

9.5

8.8

8.8

14

11

9.5

8.8

7.9

7.0

6.8

6.3

6.1

6.3

7.3

7.0

6.6

8.2

7.6

6.8

6.1

Per 

square 

mile

1.08

4.61

6.35

2.70

5 92

5.31

2.22

4.00

.839

1.22

. 589

.504

2.71

Aug.

5

5

5

5

4

4

4

4

4

4

4

4

3

3

4

4

4

4

4

3

3

3

3

3

3

3

Z

3

3

a

7

.7

.5

.3

.1

.9

.9

.7

.5

.4

.4

0

.0

8

6

.0

2

2

2

0

8

6

4

4

6

6

4

4

4

8

2

6

Sept.

6.1 '5.5

5.5

7.3

7.9

6.1

6.6

7.6

10

12

8.5

7.6

7.0

6.6

6.8

13

17

13

11

9.9

9.2

8.5

8.2

.9

.6

.6

.6

.3

.6

.3

-

Runoff

Inches

1.25

5.14

7.19

6 82

5.53

2 . 56

4.46

.97

1 . 36

]30

.56

36.82

Ac re- feet

1,120

4,610

6,440

32 , 800

6,120

4,950

2,290

4,000

868

1,220

608

271

503

33,000

Peak discharge.- Nov. 24 (5 p.m.) 219 see.-ft.; Dec. 15 (1:30 a.m.) 306 sec.-ft.; J<m. 24 (4 a.m.) 

95 sec.-f;.; Feb. 2 (7:30 p.m.) 246 sec.-ft. 

Note.- Shifting-control method used Oct. 1-25, Nov. 23 to Sept. 30.
SNOHOMISH RIVER BASIN

Tort River near Tolt, Wash.

Location.- Water -stage recorder, lat. 47°41'45", long. 121°49'20", in S^NEj- sec. 31, T. 26 

N., K. 8 E., 500 feet downstream from the Forks and 6 miles northeast of Tolt. Datum of 

of gage is about 348 feet above mean sea level (river-profile survey).

Drainage area.- 80 square miles.

Records available.- August 1928 to January 1932, September 1937 to September 1947.

Average discharge.- 13 years (1928-31, 1937-47), 538 second-feet.

Extremes.- Maximum discharge during year, 8,450 second-feet Oct.-25 (gage height, 10.94 

reet); minimum, 103 second-feet Oct. 19 (gage height, 4.34 feet).

1928-32 1937-47: Maximum discharge, 11,700 second-feet Jan. 7, 1945 (gage height, 

12.14 feet), from rating curve extended above 4,500 second-feet; minimum, 63 second-feet 

Sept. 25, 26, 1940; minimum gage height, 4.07 feet Sept. 23, 1938.

Remarks.- Records excellent except those for period of no gage-height record, which are 

fair. No diversion or regulation.

Rating tables, water year 1946-47 (gage height, In feet, 

and discharge, in second-feet)

4.3

4.6 

5.0 

5.4 

5.8

147

242

370

545

6.2 

6.6 

7.0 

7.5 

8.0

790

1,110

1,510

2,110

2,790

8.5 

9.0 

9.7

3,560

4,410

5,740

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4

5

6

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26

27 

28 

29 

30 

31

Oct.

124

112 

110 

129 

167

135 

156 

167 

141 

127

118 

112 

110 

127 

120

112 

107 

105 

105 

598

554 

481 

441 

3,640 

4,540

1,350 

748 

520 

463 

400 

495

Nov.

832

530 

463 

458 

463

562 

530 

424 

416 

606

463 

408 

370 

342 

325

302 

746 

1,130 

678 

525

441

668 

1,030 

1,290 

1,820

1,880 

1,840 

1,300 

964

762

Dec.

648

,420 

,150 

,510 

,510

,250

,160 

,460 

,160 

,910

,120 

,870 

,460 

,140 

,180

1,400 

1,110 

916 

818 

762

797 

1,080 

797 

684 

630

660 

642 

556 

515 

486 

463

Jan,

437 

404 

385 

370 

370

363 

338 

346 

346 

812

720 

550 

477 

420 

360

360 

360 

450 

650 

500

1,200 

2,500 

5,600 

4,500

3,000

2,300 

1,800 

1,300 

1,000 

800 

600

Feb.

8OO 

1,800 

1,400 

800 

650

600 

560 

540 

520 

520

1,000 

1,700 

2,500 

3,200 

2,200

1,500

1,000

840 

727 

678

860 

916 

860 

769 

666

589 

535 

490

Month Second- 

"ontn foot-daya

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Hare 

Apri 

May 

June 

July 

Augu 

Sept

Wa

mber ......................

lendar year 1946 

ary

...... 2

1 .........................

ember .....................

16,614 

22,568 

45,264

54,898

33,618 

29,220 

20,273 

29,373 

15,792 

18,378 

8,317 

4,407 

6,559

ter year 1945 47 .......... 250,383

Peak discharge.- C

[3 a.m.) 7,720 sec.- 

Note.- No gage-hei

Mar.

454 

445 

636 

642 

505

458 

454 

467 

477 

672

741 

600 

550 

660

790

884 

900 

839 

734 

678

929 

1,270 

727 

618 

550

505 

458 

445 

477 

752 

956

Maximum

4,540 

1,880 

5,120

5,120

5,600 

3,200 

1,270 

2,790 

846 

1,740 

472 

308 

1,130

5,600

Apr.

1,400 

1,060 

776 

684 

624

572 

535 

606 

940 

1,180

892 

77-6 

860 

940 

892

832 

1,160 

2,370 

2,790 

1,680

1,050 

832 

741 

708 

654

708 

783 

734

860 

734

May

714 

846 

696 

589 

584

684 

684 

572 

624 

520

441 

449

397 

363 

360

420 

408 

424 

762 

540

481 

441 

454

500 

495

495 

481 

412 

342 

312 

302

Minimum

 105 

302 

463

98

338 

490 

445 

535 

302 

305 

187 

104 

110

104

June

305 

335 

363 

338 

366

520 

5OO 

832 

1,740

1,060

684

530 

520 

606 

463

861 

748 

562 

495 

458

412 

378 

363 

356 

342

894

1,040 

1,070 

702 

535

Mean

536 

752 

1,460

698

1,084 

1,044 

654 

979 

509 

613 

268 

142 

219

686

ct. £4 (6:30 a.m.) 5,150 sec. -ft.; Oct. Z5 (7 a.m.) E 

ft.; Dec. 14 (12 a.m.) 4,410 sec. -ft. 

ght record Jan. 14 to Feb. 18; dischargfe computed on

July

472 

428 

385 

346 

328

309 

290 

271 

259 

248

265 

302 

256 

239 

328

296 

251 

234 

219 

211

202 

194 

190 

187 

194

192 

187 

328 

286 

221 

199

Per 

square 

mile

6.70 

9.40 

18.2

8.72

13.6 

13.0 

8.18 

12.2 

6.36 

7.66 

3.35 

1.78 

2.74

8.58

,450 sec 

basis o

Aug.

190 

178 

174 

169

162

158 

151 

151 

149 

145

141 

137 

133 

133 

127

127 

125 

120 

117

113

110 

110 

109 

109 

107

106 

105 

104 

105 

308 

234

Sept.

162 

137 

124 

117 

112

110 

158 

411 

1,130 

562

322 

242 

206 

187 

174

202 

237 

245 

202 

178

162 

151 

145 

137 

131

129 

127 

122 

120 

117

Runoff

Inches

7.72 

10.49 

21.04

118.49

15.63 

13.58 

9.42 

13.65 

7.34 

8.54 

3.87 

2.05 

3.05

116.38

Acre-feet

32,950 

44,760 

89,780

5O5.60O

66,680 

57,960 

40,210 

58,260 

31,320 

36,450 

16,500 

8,740 

13,010

496,600

.-ft.; Dee. 11 

" recorded range in

stage and records for North Fork Snoqualmie River near Snoqualmie Falls.
SNOHOMISH RIVER BASIN 145

Cherry Creek near Duvall, Wash.

Location.- Water-stage recorder, lat. 47 0 44'40", long. 121°56'35", in NW-jj sec. 17, T. 26 

H., K. 7 E., 2 miles east of Duvall and 2j miles upstream from mouth.

Drainage area.- 19.4 square miles.

Records available.- June 1945 to September 1947.

Extremes.- Maximum discharge during year, 918 second-feet Feb. 2 (gage height, 3.65 

reet); minimum, 2.2 second-feet Aug. 26, 27.

1945-47: Maximum discharge, that of Feb. 2, 1947; minimum, that of Aug. 26, 27, 

1947.

Remarks.- Records good. No diversion or regulation.

Rating tables, water year 1946-47, except period of shifting control

(gage height, In feet, and discharge, In second-feet)

(Shifting-control method used Nov. 24 to Feb. 2)

Oct. 1 to Feb. 2 Feb. 3 to Sept. 3O

1.0 3.8 2.O 102 1.0 0.9 1.7 46 2.7 28O 

1.2 12 2.3 168 1.1 2.5 1.9 74 3.0 420 

1.4 26 2.6 264 1.3 9.8 2.1 1O8 3.3 588 

1.6 45 3.0 447 1.5 26 2.4 178 

1.8 70 3.2 558

Discharge, in second- feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

2T 

28 

29 

30 

31

Oct.

4.4 

4.4 

3.8 

4.7 

5.0

5.3 

6.2 

5.6 

5.0 

5.0

5.0 

4.7 

4.7 

5.0 

4.7

4.7 

4.4 

4.. 4 

4.7 

9.8

8.8 

9.8 

11 

57 

102

82 

48 

37 

34 

35 

38

Nov.

85 

78 

62 

51 

43

40 

36 

33 

32 

49

58 

53 

47 

43 

e40

e37 

e42

134 

125 

100

80 

124 

235 

339 

382

3OO 

264 

209 

163 

143

Dec.

125 

156 

174 

215 

362

222 

166 

171 

174 

160

245 

382 

391 

308 

253

168 

125 

108 

100 

94

82 

67 

56 

49 

44

43 

63 

63 

60 

56 

52

Jan.

48 

44 

42 

38 

36

35 

33 

32 

30 

37

58 

74 

76 

67 

60

54 

53 

66 

146 

132

115 

146 

348 

422 

300

362 

232 

163 

125 

106 

94

Month jSjj'

Ootc 

Move 

Dece

Ca

Janu 

Febi 

Marc 

Apri 

May 

June 

Julj 

Augu 

Sept

Wa

lendar year 194 

ary

h .... .................. . i.

1 2 '

ember .....................

Feb.

95 

550 

420 

242

173

143 

125 

110 

99

87

99 

178 

269 

541 

351

211 

152 

118 

101 

87

80 

74 

66 

59 

52

49 

44 

39

ond-

-days

564.1 

427 

734

735.5

574 

614 

290 

288 

420.3 

821 

402.8 

114.4 

203.7

ter year 1946-47 .......... 22,453.3

Mar.

37 

36 

35 

36 

37

36 

35 

37 

43 

64

76 

70 

62 

54 

49

43 

38 

37 

35 

32

33 

43 

40 

36 

34

35 

34 

32 

30 

35 

46

Maximum

102 

382 

391

391

422 

550 

76 

138 

32 

54 

38 

8.0 

20

550

Apr.

74 

110 

90 

85 

79

71 

64 

64 

103 

129

118 

95 

79 

68 

59

50 

50 

65 

110

138

110 

87 

72 

64 

54

47 

42 

38 

38 

35

May

32 

29 

28 

24 

22

19.5

18 

17 

18 

16.5

15 

14 

14 

13.5 

12.5

12.5 

12 

11 

11 

9.8

8.9 

8.4 

8.0 

7.0 

6.1

6.1 

5.7 

5.2 

5.2 

5.2 

5.2

June

5.2 

6.6

6.1 

6.1 

7.0

14 

15 

34 

44 

54

43

32

27 

24

36 

51 

43 

36 

31

26 

22 

18.5 

15.5 

14

17 

26 

52 

49 

39

Minimum Mean

3.8 18.2 

32 114 

43 153

2.8 56.8

30 115 

39 165 

30 41.6 

35 76.3 

5.2 13.6 

5.2 27.4 

5.7 13.0 

2.2 3.69 

3.0 6.79

2.2 61.5

July

38 

32

27 

25 

21

18.5 

16.5 

15

13.5 

12.5

12.5 

14 

12 

11 

13.5

11 

9.8 

9.3 

8.9 

8.0

7.5 

6.6 

6.1 

5.7 

6.6

6.1 

6.1

7.5 

6.6 

6.1

Per 

square 

mile

0.938 

5.88 

7.89

2.93

5.93 

8.51 

2.14 

3.93 

.701 

1.41 

.670 

.190 

.350

3.17

Aug.

5.7 

5.2 

4.9 

4.7 

4.4

4.4 

4.1 

3.6 

3.8

3.8

3.8 

3.6 

3.3 

3.3 

3.3

3.3 

3.6 

3.0 

3.0 

3.0

3.0 

3 0 

2.8 

2.5 

2.5

2.3 

2.2 

2.3 

2.3 

8.0 

5.7

Sept.

4.1 

3.3 

3.0 

3.0 

3.6

3.0 

7.5 

8.0 

14 

20

17 

12 

8.9 

7.5 

6.1

7.0 

8.0 

7.5 

6.6 

6.1

5.7 

5.2 

5.2 

4.7 

4.7

4.7 

4.4 

4.4 

4.4

4.1

Runoff

Inches Acre-feet

1.08 1,120 

6.57 6,800 

9.08 9,390

39.75 41,130

6.85 7.09O 

8.85 9,150 

2.47 2,560 

4.39 4,540 

.81 834 

1.57 1,630 

.77 799 

.22 227 

.39 404

43.05 44,540

Faulty intake action; discharge computed on basis of partly or wholly estimated gsge heights.
146 SNOHOMISH RIVER BASIN

Pilchuck River near Granite Falls, Wash.

Location.- Water-stage recorder, lat. 48°03'15", long. 121°57'25", in SF.£ sec. 30, T. 30 

N., K. 7 E., 200 feet upstream from road bridge and 2 miles south of Granite Falls.

Drainage area.- 53 square miles.

Records available.- May to October 1911, January 1943 to September 1947.

Extremes.- Maximum discharge during year, 5,890 second-feet Oct. 25 (gage height, 8.92 

reet), from rating curve extended above 4,100 second-feet; minimum, 39 second-feet 

Aug. 29.

1911, 1943-47: Maximum discharge observed, 7,930 second-feet Oct. 25, 1945 (gage 

height, 10.28 feet), from rating curve extended above 4,100 second-feet; minimum observed, 31 second-feet Sept. 9, 10, 11, 1944.

Remarks.- Records good. City of Snohomish diverts about 5 second-feet for municipal use. 

Wo regulation.

Rating tables, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

Oct. 1-25 Oct. 25 to S=pt. 30

2.0 47 3.3 330 5.5 1,720 2.1 32 3.3 250 5.5 1,610 

2.2 64 3.6 445 6.0 2,210 2.2 41 3.6 3<50 6.0 2.10O 

2.4 90 4.0 635 6.7 3,000 2.4 64 4.O 535 6.6 2,770 

2.7 148 .5 930 2.7 110 4.5 830 

3.0 230 5.0 1,290 3.0 170 5.0 1,190

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

66 

59 

56 

74 

95

69 

103 

115 

89 

77

66 

53 

58 

65 

62

58 

55 

5S 

56 

379

296 

214 

309 

2,710 

2,890

904 

520 

340 

271 

238 

239

Nov.

396 

288 

235

220 

197

202

194 

177 

161 

293

235 

197 

172 

159 

142

140 

233 

470 

310 

254

223 

468 

1,OOO 

1,310 

1,420

1,470 

1,350 

746 

575 

422

Dec.

332 

803 

676 

1,140 

1,240

767 

748 

1,050 

1,090 

2,390

2,430 

1,280 

1,360 

1,000 

837

575 

440 

364 

320 

313

372 

648 

409 

328 

292

299 

313 

268 

235 

212 

204

Jan.

192 

175

163 

155 

157

166 

150 

148 

148 

564

454

340 

271 

223 

217

217 

324 

535 

751 

472

804 

1,310 

2,760 

2,590 

1,700

1,220 

688 

494 

384 

328 

278

Feb.

38S 

1,750 

756 

490 

388

340 

313 

302 

278 

274

408 

814 

1,180 

1,850 

911

545 

409 

336 

292 

278

463 

504 

409 

336 

288

250 

220 

204

Month

Octo 

Hove 

Deoe

Ca

Janu 

Pebr 

Marc 

Apr! 

Mav

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

192 

184 

342 

313 

235

207 

220 

268 

282 

556

596 

396 

328 

320 

313

3O6 

274 

244 

223 

207

316 

386 

235 

238 

229

202 

184 

175 

175 

255 

339

Apr.

722 

522 

336 

332 

336

348 

310 

390 

607 

844

504 

376 

352 

324 

292

264

360 

820 

1,750 

1,160

618 

427 

344 

292 

257

260 

250 

229 

282 

250

Secondfoot-days

10,639 

13,659 

22,735

136,628

18,378 

14,976 

8,740 

14,158 

5,256 

8,812 

3,206 

1,768 

3,934

126,261

May

274 

306 

247

210 

199

212 

199

172 

192 

166

155 

155 

138 

128 

126

128 

128 

162 

332 

180

155 

144 

146 

150 

146

144 

134 

121 

107 

102 

98

Maximum

2,890 

1,470 

2,430

2,890

2,760 

1,850 

596 

1,750 

332 

1,130 

182 

175 

775

2,890

June

107 

132 

138 

138 

123

376 

210 

360 

1,130 

467

296

217 

207 

202 

168

667 

609 

392 

282 

229

197 

170 

152 

140

136

283 

396 

388 

285

215

July

182 

159 

144 

132 

121

114 

108 

102 

96 

92

98

136 

110 

96

123

112 

92 

81 

78 

74

71 

67 

67 

65 

65

64 

64 

180 

140 

95 

78

Minimum

53 

140 

204

48

148 

204 

175 

229 

98 

107 

64 

40 

54

40

Aug.

71 

67 

64 

62 

59

58

56 

53 

54 

53

51 

51 

49 

48 

46

49 

51 

51 

46 

44

43 

43 

42

41 

40

41 

41 

41 

40 

175 

138

Mean

343 

455

733

374

593 

535 

282 

472 

170 

294 

103 

57 

131

346

Sept.

75 

63 

56 

54 

56

59 

320 

626 

775 

275

166 

124 

102 

90 

82

81 

88 

82 

74 

68

65 

63 

60 

62 

60

60 

60 

62 

63 

63

Runoff In 

acre-feet

21,100 

27,090 

45,090

271,000

36,450 

29,700 

17,340 

28,080 

10,430 

17,480 

6,360 

3,510 

7,800

250,400
SNOHOMISH RIVER BASIN 

Little Pilchuck Creek near Lake Stevens, Wash.

147

Location.- Water-stage recorder and wooden control, lat. 48°02 I 00", long. 122°03'00", In 

MWpWt sec. 4, T. 29 N., R. 6 E., l| miles northeast of Lake Stevens and 2 miles upstream from Stevens Creek.

Records available.- June 1946 to September 1947.

Extremes.- Maximum discharge during year, 199 second-feet Dec. 12 (gage height, 3.79 feet); 

minimum, 1.6 second-feet Aug. 23, 25 (gage height, 0.76 foot).

1946-47: Maximum discharge, that of Dec. 12, 1946; minimum, 1.3 second-feet Aug. 24, 

1946 (gage height, 0.74 foot).

Remarks.- Records good except those for periods of no gage-height record, which are fair. 

Several small farm diversions above station.

Rating table, water year 1946-47, except period of ice effect 

(gage height, In feet, and discharge, in second-feet)

1.2 

3.0 

7.6

1.5

1.7

2.0

2.6 80

3.0 107

3.4 146

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

e

7

8 

9 

10

11 

12 

13 

14

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

2.2 

2.0 

1.9 

2.4 

2.4

2.1 

3.3 

2.9 

2.3 

2.1

2.0 

2.0 

2.0 

2.4 

2.2

2.1 

2.0 

2.0 

2.3 

3.8

5.2

7.3 

6.0 

16 

27

28 

20 

14 

13 

12 

12

Nov.

14 

16 

14 

12 

9.8

9.2 

8.5 

8.2 

14 

18

19 

17 

14 

12 

11

10 

12 

30 

25

22

35

55 

100 

130 

140

130 

120 

80 

50 

40

Dec.

30 

40 

45 

60

110

92

78 

107 

107 

103

166 

192 

178 

140 

115

96 

74 

59 

51 

47

43 

41 

36 

34 

29

28 

30 

27 

24 

21 

20

Jan.

20 

18 

17 

17 

17

16 

15 

14 

14 

38

63 

64 

56 

b44 

b35

»b31 

37 

50 

73 

72

69

73 

89 

115

120

158 

115 

86 

68 

56 

45

Feb.

54

135 

111 

83 

66

55 

45 

39 

34 

31

33 

41 

53 

72 

69

57 

47 

39 

34 

33

42 

45 

41

36 

32

28 

26 

24

Month

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl

June 

July 

Augu 

Sept

Wa

lendar year

ter year 1946-47 .......................

Mar.

21 

20 

22 

24 

21

19 

30 

30 

35

55

56 

50 

42 

36 

30

27 

24 

21 

19 

18

20

23 

20 

20 

19

17 

17 

16 

14

23 

26

Apr.

37 

42 

36 

46 

46

61 

58 

63 

78 

75

60 

49 

39 

32 

26

22 

25 

33 

64 

99

86 

67 

49 

39 

31

26 

21 

18 

18

17

May

17 

16 

14 

12 

11

9.8 

9.2 

8.8 

9.8 

8.5

7.6 

7.0 

6.8 

6.2 

5.7

5.4

5.0 

5.0 

5.4 

5.0

4.3 

3.8 

3.7 

3.2 

3.0

2.9 

2.5 

2.5 

2.6 

2.5 

2.5

Second- Maximum foot -days Maximum

206.9 28 

1,175.7 140 

2,223 192

-

1,705 158 

1,405 135 

815 56 

1,363 99 

208.7 17 

211.3 18 

103.7 9.5 

63.8 3.3 

76.7 6.8

9,557.8 192

June

2.5 

3.2 

2.7 

2.5 

2.5

3.0 

4.0 

6.2 

14

12

8.8 

6.8 

6.0 

5.7 

4.7

8.2 

11 

7.9 

7.3 

6.2

5.0 

4.3 

3.8 

3.3 

3.2

4.5 

15 

18 

17 

12

July

9.5 

7.3 

6.5 

5.7 

4.5

4.0 

3.5 

3.2 

3.0 

2.7

2.7 

2.6 

2.5 

2.4

2.6

2.4 

2.3 

2.4 

2.4 

2.1

2.1 

2.1 

2.0 

2.1 

2.2

2.4 

2.3 

4.0 

3.8 

3.5 

2.9

Aug.

2.5 

2.3 

2.2

2.2 

2.1

2.0 

2.0 

1.9 

2.1 

2.0

2.0 

1.9 

1.9 

1.8 

1.8

2.0 

2.0 

2.3 

2.0 

1.7

2.0 

2.3 

1.8 

1.8 

1.8

1.8 

1.8 

1.8 

1.8 

3.3 

2.9

Sept.

2.2

2.0 

1.8 

2.0 

2.0

2.3 

5.0 

3.8 

6.8 

5.0

3.5 

2.7 

2.4 

2.3 

2.2

2.3 

2.4 

2.4 

2.2 

2.1

2.1 

2.0 

2.0 

1.9 

1.9

1.9 

1.9 

1.9 

1.9 

1.8

Minimum Mean "£££

1.9 6.67 410 

8.2 39.2 2,330 

20 71.7 4,410

-

14 55.0 3,380 

24 5C.2 2,790 

14 26.3 1,620 

17 15.4 2,700 

2.5 6.73 414 

2.5 7.04 419 

2.0 3.35 206 

1.7 2.06 127 

1.8 2.56 152

1.7 2 .2 18,960

Peak discharge.- Dec. 12 (6 to 10 p.m.) 199 sec. -ft.; Jan. 26 (6 to 7 a.m.) 164 sec. -ft.; Feb. 2

(11 a.m.) 146 sec. -ft.

Winter discharge measurement made on this day. 

b Stage-discharge relation affected by ice.

Note.- No gage-height record Nov. 18 to Dec. 5, Mar. 6-10; discharge computed on basis of 1 discharge measurement, recorded range in stage, and records for nearby streams.
148 SNOHOMISH RIVER BASIN

Lake Stevens at Lake Stevens, Wash.

Location.- Staff gage, lat. 48 5 OQ'40", long. 122°04'00", in SW^- sec. 8, T. 29 N., R. 6 

E., on pile in log ramp at Hueas sawmill in town of Lake Stevens. Prior to lug. 5, 

1947, staff gage on aile suoporting mill at same datum.

Records available.- July 1946 to September 1947 (fragmentary).

Extremes.- Maximum gage height observed during year, 4.42 feet Feb. 4; minimum observed, 

273H"Teet Oct. 1.

1946-47: Maximum gage height observed, that of Feb. 4, 1947; minimum observed, 

that of Oct. 1, 1946.

Remarks.- Several small diversions from lake for irrigation.

Gage height, in feet, water year October 1946 to September 1947

Day

1

2

3

4 ' 5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

2.38

_

_

-

_

2.4O

_

-

_

_

_

-

2.40

.

-

-

-

-

_

2.44

-

-

-

_

-

-

2.64

-

-

Nor.

_

_

_

2.68

_

_

_

-

.

_

_

-

-

.

-

-

-

--

_

-

-

-

-

.

-

-

-

-

-

Dec.

_

_

_

3.71

_

_

_

3.92

.

_

_

4.16

-

_

4.22

-

-

-

_

-

-

3.98

-

_

-

-

_

-

3.76

Jan.

_

_

_

-

3.56

_

_

-

.

_

_

3.70

-

3.66

-

-

-

-

3.74

-

-

-

-

.

-

4.20

_

-

-

Feb.

_

_

4.42

_

_

_

-

4.26

_

_

_

-

_

-

4.32

-

-

_

-

-

-

4. 2O

_

-

-

_

_

-

Mar.

_

_

4.00

_

_

_

-

3.99

_.

_

-

_

-

3.88

-

-

_

_

-

-

3.74

_

-

-

_

-

-

Apr.

3.72

-

-

-

_

-

3.80

_

-

_

_

_

3.80

3.78

_

_

_

-

3.86

_

-

_

_

3.84

-

Hay

_

-

-

-

-

3.70

-

_

_

-

_

_

3.54

-

.

_

.

3.40

_

_

_

-

3.26

_

_

_

-

June

_

-

3.20

-

-

-

-

-

-

3.16

.

_

_

_

-

3.18

.

-

_

.

3.08

_

_

_

_

-

July

3.10

-

-

-

3.04

-

-

-

_

-

_

2.98

_

2.96

2.95

_

_

-

.

_

_

-

_

_

_

.

-

Aug.

.

-

-

-

2-70

-

-

-

_

-

.

2.62

.

-

_

_

2.54

_

,

_

-

2.46

2.45

_

.

-

Sept.

_

2.50

-

~

-

-

-

2.58

-

.

_

_

.

-

2.54

_

_

-

.

2.49

_

-

.

_

_

_

2.47
SNOHOMISH RIVER BASIN 149 

Stevens Creek at Lake Stevens, Wash.

Location.- Staff gage, lat. 48°01'00", long. 122°03'10", on cast line sec. 8, T. 29 N., 

 R! (i E., a third of a mile east of Lake Stevens and three-quarters of a irile upstream 

from mouth.

Records available.- June 194P to September 1947.

Extremes.- Maximum discharge observed during year, 95 second-feet Jan. 26; minimum ubserved, 0.2 second-foot Oct. 1, 2 (gage height, 0.60 foot).

1946-47: Maximum discharge, that of Jan. 26, 1947; minimum, that of Oct. 1, 2, 

1946.

Remarks.- Records fair. Gage read once daily. Several diversion from Lake Stevens for 

irrigation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

0.2 

.2 

.3 

.4 

.4

a. 4 

a. 4

a. 5 

a 4 

a. 4

a. 4 

a. 4 

.4 

.7 

.9

1.3 

1.9 

1.9 

1.9 

1.9

1.9 

2.2 

2.4 

6.0 

6.9

6. 3 

5.8 

5.3 

4.8 

5.8 

6.3

Nov.

8.1

6.3 

6.3 

6.9 

6.3

5.8 

5.8 

5.3 

5.3 

5.8

6.3 

7.4 

9.4

8.8 

6.9

4.8 

6.9

13 

12 

11

11 

19 

30 

32 

35

36 

38 

35 

33 

30

Dec.

28 

32 

34 

44 

48

52 

51 

52 

54 

56

73 

83 

83 

81 

89

78 

78 

83 

67 

67

59 

<J55 

d53 

d50 

d47

d45 

d43 

341 

d39 

d37 

35

Jan.

d34 

d32. 

d31 

29 

28

28 

27 

26 

25 

28

31 

35 

34 

34 

33

33 

36 

39 

42 

42

42

48 

48 

50 

66

95 

87 

81 

76 

76 

61

Feb.

58 

85 

74 

71 

65

62 

58 

55 

52 

49

49 

48 

50 

58 

58

59 

55 

50 

47 

47

48 

47 

45 

44 

44

42 

40 

40

Month

Ooto 

Hove 

Deoe

Ca

Janu 

Pebr 

Marc 

Apr!

Matr

June 

July 

Augu 

Sept

Wa

lendar year

ter year 1946-47 .......................

Mar.

38 

40 

40 

38

36

34 

36 

38 

40 

43

42

40 

38 

39 

38

36 

36 

34 

33 

32

34 

32 

31 

30 

29

28 

28 

30 

31 

31 

31

Apr.

32 

32 

32 

32 

32

34 

34 

37 

36 

35

32 

32

31 

30 

28

27 

29 

28 

34 

38

36 

36 

32 

31 

32

30 

29 

29 

28 

27

Secondfoot -days

69.0 

447.4 

1,737

-

1,377 

1,500 

1,086 

955 

472.9 

183.2 

70.6 

19.4 

15.0

7,932.5

May

26 

25 

24 

23 

22

21 

21

21 

20 

19

19 

17 

16 

15 

14

14 

14 

14 

13 

13

12 ai2

an aio

10

9.1 

8.4 

7.8 

7.8 

7.2 

6.6

Maximum

6.9 

38 

89

-

95 

35 

43 

38 

26 

8.4 

5.3 

1.1 

.7

95

June

6.6 

5.8 

5.8 

5.3 

5.3

5.3 

5.8 

5.8 

6.3 

6.3

5.8 

5.3 

5.3 

5.8 

5.5

7.2 

8.4 

7.2 

7.2

6.6

6.0

6.6 

T 6.0 

5.5 

5.5

5.1 

7.2 

6.9 

6.3 

5.5

July

5.3 

4.4 

4.4 

4.0 

3.8

3.5 

3.0 

2.8 

2.7 

2.4

2.3 

2.0 

2.0 

2.0 

2.0

2.0 

2.0 

1.8 

1.8 

1.6

1.5 

1.6 

1.5 

1.5 

1.4

1.2 

1.2 

1.1 

1.2 

1.3 

1.3

Minimum

0.2 

4.8 

28

-

25 

40 

28 

27 

6.6 

5.1 

1.1 

.3 

.3

.2

Aug.

1.1

1.1 

1.1 

1.0 

1.0

.8 

.8 

.7 

,7 

.7

.6 

.6 

.5 

.7 

.7

.7 

.6 

.6 

.6 

.4

.5 

.4 

.4

.5 

.4

.4 

.4 

.4 

.3 

.3 

.4

Mean

2.23 

14.9

56.0

-

44.4 

53. e 

35.0 

31. 8 

15.3 

6.11 

2.28 

.63 

.£0

21.7

Sept.

0.3 

.3 

.3 

.4 

.5

.7 

.7 

.7 

.7 

.6

.6 

.7 

.6 

.7 

.7

.6 

.5 

.5 

.5 

.5

.4 

.4 

.4 

.4 

.4

.4 

.4 

.4 

.4 

.3

Runoff in 

acre -feet

137 

887 

3,450

-

2,730 

2,980 

2,150 

1,890 

938 

363 

140 

38 

30

15,730

a No gage-height record.

d Doubtful gage-height record; discharge computed on basis of records for Quilceaa Creek near 

Marysville.
150 SNOHOMISH RIVER BASIN

Dubuque Creek near Lake Stevens, Wash.

Location.- Water-stage recorder and wooden control, lat. 47°59'20", long. 122°01'50", in 

NW-fNW-J- sec. 22, T. 29 N., R. 6 E., 300 feet upstream from Panther Creek and 2j miles 

southeast of Lake Stevens.

Records available.- July 1946 to September 1947.

Extremes.- Maximum discharge during year, 134 second-feet Feb. 2 (gage height, 3.85 feet); 

minimum, 0.3 second-foot Aug. 25-27.

1946-47: Maximum discharge, that of Feb. 2, 1947; minimum, that of Aug. 25-27, 1947.

Remarks.- Records fair except those for periods of no gage-height record or shifting eontrol, which are poor. No diversion or regulation.

Rating tables, water year 1946-47, except period of shifting control 

(gage height, in feet, and discharge, in seoiond-feet)

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct. 1 to Jan. 25 Jan. 26 to Sept. 30

1.9 0.6 2.9 56 1.98 0.4 2.8 36 

2.1 2.2 3.1 83 2.0 .5 3.0 73 

2.3 6.0 3.3 96 2.2 3.0 3.2 90 

2.5 14 3.R 116 2.4 9.2 3.5 109 

2.7 26 2.6 19 3.7 123

Discharge, in second-feet, water year October 1946 to September 19*7

Oct.

1.0 

.8 

.7 

1.0 

1.1

.8 

1.4 

1.4

1.0

1.0

.9 

.8

.8 

1.0 

1.0

.8 

.8 

.8 

1.0 

1.2

2.2 

1.8 

2.2 

11 

18

15 

8.6 

5.5 

5.8 

6.3 

5.8

Nov.

7.9 

6.9

6.0 

5.0 

4.3

4.1

3.7 

3.5 

3.7 

11

9.8 

7.9 

6.9 

5.5

5.0

4.5

7.0 

25 

23 

18

15

38 

93 

93

90

89 

80 

54 

32 

22

Dec.

18 

25 

36 

80 

99

66 

4R 

76 

70 

48

82 

99 

89 

66 

59

44 

31 

24

18 

17

16 

16 

15 

14 

12

12

13 

12 

11 

9.8 

9.8

Jan.

9.4

10 

7.9 

7.2 

6.9

7.2 

6.9 

5.3 

6.0 

17

34

33 

25 

1R 

15

13 

15 

21 

44 

35

34 

44

77 

106 

116

116 

96 

77 

46 

29 

20

Feb.

24 

118 

99

78 

50

32 

25 

21 

18 

17

18 

23 

38

87 

82

56 

33 

25 

20 

18

20 

20 

19 

17

16

15 

13 

12

Month

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Apr!

June 

July 

Augu 

Sept

Wa

lendar year

ter year 1946-47 .......................

Mar.

11 

11 

11 

10 

9.7

a9 

a!2

a!6 

a!8 

a29

24 

20

17

15 

13

11 

10 

9.2 

8.4 

8.0

10 

12 

10 

9.2 

8.8

8.4 

7.7 

6.9 

6.6 

11 

12

Apr.

18 

22 

19 

24 

22

21 

18 

18 

31 

42

32 

22 

17 

16 

13

11 

14

17 

72 

108

74 

36 

24 

18 

15

12 

10 

8.8 

8.4

8.0

Secondfoot-days

101.5 

774.7 

1,233.6

-

1,098.8 

1,014 

374.9 

769.2 

94.8 

84.0 

29.7 

15.3 

22.7

5,613.2

May

8.0 

8.0 

7.3 

6.2 

5.3

4.7 

4.5 

4.5 

4.7 

3.7

3.3 

2.8 

2.8 

2.4 

2.4

2.4

2.3 

2.1 

2.3 

1.9

1.8 

1.5 

1.4

1.3 

1.1

1.1 

1.0 

1.0 

1.0 

1.0 

1.0

Maximum

18 

93 

99

-

116 

118 

29 

106 

8.0 

7.3 

2.6 

1.7 

2.6

118

June

0.9 

1.1 

1.1

1.0 

1.0

1.1 

1.6 

3.3 

4.2 

3.3

2.3 

1.9 

2.1 

2.4 

1.8

4.5 

5.9 

4.2 

3.7 

3.0

2.4 

1.9 

1.6 

1.4 

1.3

2.6 

6.6 

7.3 

5.0 

3.5

July

2.6 

2.1 

1.9 

1.8 

1.4

1.3 

1.2 

1.1 

.9 

.9

.9 

.9 

.8 

.7 

.9

.6

.6 

.6 

.5

.4 

.4 

.4 

.5

.5

.5 

.6 

1.4 

1.1

.8 

.7

Aug.

0.6 

.5

I.' 1 

1.

Sept.

1.1

.6 

.5 

.6

.6

.6 

1.8 

1.4 

2.6 

1.6

1.0 

.8 

.6 

.6 

.6

.6 

1.1 

.8 

.6 

.6

.4 

.4 

.4 

.4 

.4

.4 

.4 

.4 

.4

.4

Minimum Mean ££*£

0.7 3.27 201 

3.5 25.8 1,540 

9.8 39.8 2,450

-

6.0 35.4 2,180 

12 36.2 2,010 

6.6 12.1 744 

3.0 25.6 1,530 

1.0 3.06 188 

.9 2.80 167 

.4 .96 59 

.4 .49 30 

.4 .76 45

.4 15.4 11,140

Peak discharge.- Jan. 26 (9 a.m.) 123 sec.-ft.; Feb. 2 (3 p.m.) 134 sec.-ft.; Apr. 20 (4 a.m.) 116 

sec.-ft.

a No gage-height record; discharge computed on basis of recorded range in stage and records for 

Quilceda Creek near Marysville.
3NOHOMISH RIVER BASIN 

Wood Creek near Everett, Wash.

151

Location.- Water-stage recorder and wooden control, lat. 47°fa5'25 M , long. 122°11'00", on 

east line sec. 8, T. 28 N., R. 5 E., 300 feet upstream from county road crossing and 

2 miles south of Everett.

Records available.- June 1946 to September 1947.

Extremes.- Maximum discharge during year, 35 second-feet Feb. 2 (gage height, 1.54 feet), 

rrom rating curve extended above 9 second-feet; minimum, 3.8 second-feet on many days 

during July to September.

1946-47: Maximiwi discharge, that of Feb. g, 1947: minimum, that for many days 

duping July to September 1947.

Remarks.- Records good except, those for periods of no gage-height record, w'lich are fair. 

NO known diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

4.8 

4.6 

4.6 

5.1 

5.1

4.8 

5.1 

5.1 

5.1 

5.1

5.1 

4.8 

4.8 

4.8 

4.8

4.8 

5.1 

5.1 

5.1 

5.3

5.1 

5.1 

5.1 

5.3 

5.3

5.1 

4.8 

4.8 

5.1 

5.1 

5.1

Nov.

5.1 

4.8 

4.8 

4.8 

4.8

4.8 

4.8 

4.8 

5.1 

5.3

5.1 

5.1 

5.1 

5.1 

4.8

4.8 

5.8 

5.8 

5.3

5.3

5.1 

7.2 

6.9 

6.6 

6.1

6.3 

5.8 

5.3 

5.3 

5.3

Dec.

5.6 

6.3 

5.8 

6.9 

6.9

6.9 

6.6 

7.8 

7.2 

6.9

6.9 

8.0 

8.0 

7.5 

7.2

6.6 

6.3 

6.1 

5.8 

5.8

5.8 

5.8 

5.8 

5.6 

5.6

5.6 

5.6 

5.6 

5.3 

5.3 

5.6

Jan.

5.6 

5.3 

5.3 

5.3

5.3

5.3 

5.3 

5.3 

5.3 

6.1

5.6 

5.8 

5.6 

5.3

5.3

5.6 

5.8

6.3 

5.8

5.6

5.6 

5.8 

5.8 

7.2 

9.3

11 

9.6 

8.0 

6.9 

6.3 

5.8

Feb.

9.0 

24 

26 

25 

14

10 

8.4 

7.5

7.2 

7.2

8.4 

8.4 

9.6 

12 

9.3

7.8 

5.8 

5.8 

6.3 

6.1

6.3 

6.1 

5.8 

5.8

5.8

5.8 

5.6

5.6

Month

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Apr!

June 

July 

Augu 

Sept

Wa

lendar year

ter year 1946-47 .......................

Mar.

5.6 

5.6 

5.3 

5.3

5.1

5.1 

5.1 

5.1 

5.3 

5.3

5.1 

4.8 

4.8 

4.6

4.6

4.8 

4.8 

4.8 

4.8 

4.8

4.8 

5.1

5.1 

5.1 

5.1

5.1 

5.1

5.3 

5.3 

5.6 

5.3

Apr.

5.6 

5.3 

5.6 

5.6 

5.6

5.6 

5.3 

5.3

6.1 

6.1

5.8 

5.6

5.6

5.3 

5.3

5.3 

6.1 

5.3 

6.3

5.6

5.3 

5.3 

5.1 

5.1

5.1

4.8 

4.8 

4.8 

5.1 

4.8

Secondfoot -days

1S5.0 

161.2 

196.7

-

192.1 

264.6

157.6 

162.5 

147.0 

141.9 

126.6 

124.4 

117.8

1,947.4

May

4.8 

4.8

4.8 

4.8 

4.6

4.6 

4.6 

4.8 

4.8 

4.6

4.6 

4.8 

4.8 

4.8 

4.6

4.8 

4.8 

4.8 

4.8 

4.8

4.8 

4.8 

4.8 

4.6 

4.6

4.6 

4.8 

4.8 

4.8 

4.8 

4.8

Maximum

5.3

7.2 

8.0

-

11 

26 

5.6 

6.3 

4.8 

5.3 

4.4 

4.6 

4.4

26

June

4.8 

4.8

4.8 

4.6 

4.6

4.8 

5.1 

4.8 

4.8 

4.8

4.8 

4.8 

4.8 

4.8 

4.6

5.3 

4.8 

4.8 

4.8 

4.8

4.4 

4.4 

4.4 

4.2 

4.4

4.8 

5.1 

4.8 

4.6 

4.6

Minimum

July

4.4 

4.4 

4.4 

4.4 

4.2

4.2

4.2 

4.2 

4.2 

4.0

4.0 

4.0 

4.0 

3.8 

3.8

3.8 

3.8 

4.0 

4.0 

4.0

4.0 

4.0 

4.0 

4.0 

4.0

4.2 

4.2 

4.2 

4.0 

4.0 

4.2

4.6 

4.8 

5.3

-

5.3 

5.6 

4.6 

4.8 

4.6 

4.2 

3.8 

3.8 

3.8

3.8

Aug.

4.2 

4.2

4.0 

4.0 

4.0

4.0 

4.0 

4.0 

4.0

4.0

4.0 

4.0 

4.0 

4.0 

4.2

4.2 

4.2 

4.2 

4.0 

4.0

4.0 

4.0 

3.8 

3.8 

3.8

3.8 

3.8 

3.8 

4.0 

4.6 

3.8

Mean

5.00 

5.37 

6.35

-

6.20 

9.45 

5.08 

5.42 

4.74 

4.73 

4.08 

4.01 

3.93

5.34

Sept.

3.8 

3.8 

3.8 

3.8 

3.8

4.2 

4.4 

4.2 

4.0 

4.0

3.8 

3.8 

3.8 

3.8

4.0

4.2 

4.0 

3.8 

3.8 

3.8

3.8 

3.8 

3.8 

3.8

4.0

4.0 

4.0 

4.0 

4.0 

4.0

Runoff in 

acre-feet

307 

320 

390

-

381 

525 

313 

322 

292 

281 

251 

247 

234

3,860

Note.- Ho gage-height record Dec. 1, 2, Jan. 16, 17, Feb. 23 to Mar. 11, May 21-26, July 3-15, 

Aug. 22-27; discharge computed on basis of recorded range In stage and general information.

903681 0-50-11
1F2 3NOHOMISH RIVER BASIN

Quilceda Creek near Marysville, Wash.

Location.- Water-stage recorder and wooden control, lat. 48°06'20", long. 122°09'40", in 

 NE^ME'Y sec. 9, T. 30-N., R. 5 E., 300 feet downstream from Middle Fork Quilceda Creek 

and 3f miles north of Marysville.

Records available.- June 1946 to September 1947.

Extremes.- Maximum discharge during year, 121 second-feet Dec. 11 (gage neight, 4.76 

feet); minimum, 4.2 second-feet July 23, Aug. 14, 18-29 (gage height, 1.52 feet).

1946-47: Maximum discharge, that of Dec. 11, 1946; minimum, 3.8 second-feet 

Aug. 21-24, 1946 (gage height, 1.52 feet).

Remarks.- Records good except those for periods of shifting control or no gage-height 

record, which are fair. Several diversions above station for irrigation. No regulation.

Rating table, water year 1946-47, except period of shifting control 

(gage height, in feet, and discharge, in second-feet)

1.5 

1.7 

1.9 

2.1 

2.4

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

5.3 

5.0 

5.0 

5.6 

5.3

5.0 

7.2 

5.6 

5.0 

4.7

4.7 

4.7 

4.7 

5.0 

4.7

4.7 

4.9 

5.0 

5.8 

12

12 

7 .2

6.4 

17 

18

14 

11 

9.1 

10 

10 

* 9.8

Nov.

13 

12 

10 

9.4 

8.7

8.7 

8.7 

9.1 

10 

18

14

12 

11 

10 

10

9.8 ii

25 

22 

18

16 

44 

91

76 

63

49 

40 

35 

30 

25

Dec.

20 

23

36 

53 

65

49 

46 

86

74 

69

113 

105 

99 

78

32

65 

48 

39 

37 

34

32

29

26 

24 

22

24 

25

21 

18 

17 

17

Jan.

16 

15 

14 

13 

14

15 

14 

14 

14 

42

49 

49 

39 

28 

25

28 

41 

50 

60 

60

5S 

30 

70 

85

90

80 

60 

45 

35 

30 

25

Feb.

35 

80 

70 

50 

37

33 

29 

26 

2C 

22

25 

34 

33 

49 

41

34 

29

23 

23

35

34 

29 

26 

23

22 

20

19

Month

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl

June 

July 

Augu 

Sept

Wa

lendar year

1..... ..................................

ter year 1946-47 .......................

Mar.

18 

18 

19 

19 

17

17 

23

26

28 

36

35 

29 

25 

22 

21

19

17 

17 

15 

15

16 

17 

15 

17 

16

15 

14 

14 

14 

22 

20

Apr.

24 

25 

25 

34 

32

38 

31 

43 

51 

45

33 

27 

23

20 

18

17 

18 

20 

37 

58

41

31 

25 

21 

19

17 

15 

15 

16 

15

Secondfoot-clays

234.4 

720.4 

1,471:5

-

1,235 

930 

616 

834 

281.6 

287.2 

196.2 

152.3 

176.9

7,140

May

15 

15 

13 

12 

12

11 

11 

11 

11 

9.8

9.8 

9.

9. 

3. 

8.

8. 

8. 

8. 

8. 

7.

7.

7. 

7. 

6. 

6.

6. 

6. 

6. 

6. 

6. 

6.

Maximum

18 

91 

113

-

90 

80 

36 

58 

15 

28 

9.8 

7.5 

11

113

June

6.4

7.2 

6.4 

6.4 

6.1

7.5 

7.5 

9.1 

15 

11

9.1 

7.9 

9.4 

8.3 

7.5

11 

11 

9.4 

9.1 

7.9

7.5 

7.2

6.1 

6.4

11

17 

13 

11

July

9.8 

8.7 

8.3 

7.5 

7.2

7.2 

6.8 

6.4 

6.1 

6.1

6.1 

6.1 

5.8 

5.B 

5.8

5.8 

5.8 

5.8 

5.6 

5.6

5.6 

5.3 

4.7 

4.7 

5.0

5.3 

5.3 

9.8 

6.8 

5.8 

5.6

Minimum

4.7 

8.7 

17

'

13

19 

14 

15 

6.1 

6.1 

4.7 

4.4 

4.7

4.4

Aug.

5.3 

5.0 

5.0 

5.0 

4.7

5.0 

4.7 

4.7 

5.6 

5.3

5.3

5.0 

4.7

4.7 

4.7

5.0 

5.0 

4.7 

4.7 

4.7

4.4 

4.4 

4.4 

4.4 

4.4

4.4 

4.4 

4.4 

4.4 

7.5 

6.4

Kian

7.56 

24.0 

47.6

-

39.8 

33.2 

19.9 

27.8 

9.08 

9.57 

6.33 

4.91 

5.90

19.6

Sept.

5.3 

5.0 

4.7 

5.3 

5.3

5.6 

11 

7.5 

11 

7.2

6.1 

5.6 

5.6 

5.3 

5.6

5.8 

5.8 

5.6 

5.3 

5.3

5.3 

5.3 

5.3 

5.3 

5.3

5.3

5.3 

5.3 

5.3 

5.3

Runoff In 

acre-feet

465 

1,430 

2,930

-

2,450 

1,840 

1,220 

1,650 

559. 

570 

389 

302 

351

14,160

Peak discharge.- Nov. 23 (4 a.m.) 101 sec.-ft.; Dse. 11 (9 a.m.) 121 sec.-ft.; Dec. 12 (6:3O p.m.) 

113 sec.-ft.

Note.- No gage-height record Nov. 27 to Dee. 1, Jan. 18 to Feb. 4, Apr. 10; discharge computed on 

basis of recorded range in stage and records for nearby streams. Shifting-control irethod used Oct. 4- 

17.
STILLAGUAMISH RIVER BASIN 153

South Fork Stillaguamish Rive^ near Granite Falls, Wash.

Location.- Water-stage recorder, lat. 48°06'10", long. 121°56'40", in SW^NW^- sr>c. 8, T. 30 

N. , R. 7 E., l| miles upstream from Canyon Creek and 2 miles northeast of Granite 

Falls.

Drainage area.- 119 square miles.

Records available.- July 1928 to September 1947.

Average discharge.- 19 years, 989 second-feet.

Extremes.- Maximum discharge during year, 21,700 second-feet Oct. 25 (gage height, 16.30 

reetj, from rating curve extended above 8,700 second-feet; minimum, 128 second-feet

AIIDV 27-5>Q /tracrp hpi ffht. A 31 f <=pt. >

Remarks.- Records excellent except those for periods of no gage-height record, which are 

poor. No diversion or regulation.

Rating table, water year 1946-47 (gage height, In feet,

and discharge, In second-feet) 

(Shifting-control method used Oct. 1-20)

126

174

232

334

460

4.6 625

5.0 89O

5.5 1,270

6.0 1,730

7.0 2,920

8.0 4,410

9.0 6,130

10.0 8,010

11.0 10,000

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

229 

191 

169 

242 

323

226 

286 

309 

254 

226

196 

182 

169 

172 

166

154 

144 

140 

184 

1,980

1,580 

1,460 

1,780 

8,660 

9,690

2,720 

1,540 

1,110 

876 

744 

817

Nov.

1,110 

757 

631 

631 

679

792 

827 

679 

607 

792

619 

526 

470 

438 

415

390 

793 

1,280 

750 

613

526 

1,390 

2,600 

2,170 

3,450

4,440 

5,490 

2,680 

1,830 

1,270

Dec.

960 

2,750 

2,960 

4,090 

2,720

2.OOO 

2,030 

2,600 

2,740 

7,570

8,540 

3,190 

3,930 

3,400 

2,350

1,450 

1,110 

925 

813 

785

1,040 

1,860 

1,110 

883 

785

. 778 

757 

643 

565 

516 

495

Jan.

446 

402 

377 

365 

402

390 

346 

342 

338 

1,890

1,260 

869 

679 

554 

470

490 

505 

749 

955 

631

1,370 

3,490 

8,310 

8,950 

4,910

3,780 

1,780 

1,230 

960 

834 

693

Feb.

897 

4,610 

1,540 

1,030 

855

750 

724 

711 

673 

667

1,160 

3,250 

5.08O 

7,820 

3,630

1,940 

1,360 

1,110 

925 

813

960 

1,110 

1,030 

925 

806

698 

619 

565

unnth Seoond- 

*°nth foot-days

Ootc 

Move 

Deoe

Cs

Jami 

Febi 

Hare 

Aprl 

Hay 

June 

July 

Augv 

Sept

WE

mber ......................

lendar year 1946 

ary

... . . - - 4

ember .....................

36,919 

39,645 

66,345

41,487

48,772 

46,258 

30,454 

43,545 

32,296 

31,680 

13,953 

6,474 

12,494

ter year 1946-47 .......... 408,835

Peak discharge.- 0

(Z a.m.) lii,3OO sec. 

sec. -ft.; Apr. 19 (8 

Note . - No gage -he 1 

range In stage and r

Mar.

510 

495 

1,110 

848 

631

548 

565 

565 

692 

1,880

1,540 

960 

883 

1,070 

1,270

1,450 

1,450 

1,320 

1,190 

1,190

1,150 

1,390 

1,360 

995 

995

806 

679 

607 

583 

692 

1,030

Maximum

9,690 

5,490 

8,540

9,690

8,950 

7,820 

1,880 

5,500 

1,780 

3,440 

897 

416 

2,710

9,690

Apr.

1,640 

1,780 

960 

890 

820

890 

799 

995 

1,110 

1,730

1,070 

876 

1,030 

1,320 

1,450

1,400 

1,730 

3,030 

5,500 

2,350

1,450 

1,150 

1,030 

960 

995

1,070 

1,110 

1,320 

1,360 

1,730

Bay

,400 

,630 

,780 

,32O 

,110

,110 

,450 

,320 

,190 

,190

890 

869 

806 

698 

649

667 

698 

673 

1,360 

1,030

925 

890 

960 

1,070 

1,150

1,190 

1,190 

1,030 

771 

673 

607

June

583 

673 

764 

744 

781

1,360 

925 

1,350 

3,440

1,800

1,200 

860 

850 

870

800

1,500 

1,800 

1,000 

800 

700

650 

62O 

600 

610 

600

1,000 

2,000 

1,200 

900 

700

Minimum Mean

140 1,191 

390 1,322 

495 2,140

128 1,210

338 1,573 

565 1,652 

495 982 

799 1,452 

607 1,042 

583 1,056 

271 450 

128 209 

144 416

12,8 1,120

July

650 

600 

530 

470 

450

430 

400 

375 

370 

350

370

600 

530 

500 

570

500 

450 

425 

407 

369

342 

327 

302 

295 

295

284 

271 

897 

730 

470 

394

Per 

square 

mile

10.0 11.1

18.0

10.2

13.2

13.9 

8.25 

12.2 

8.76 

8.87 

3.78 

1.76 

3.50

9.41

Aug.

342 

327 

305 

298 

284

281 

281 

250 

230

200

190 

180 

170 

170 

170

170 

170 

160 

155 

150

147 

144 

141 

139 

136

133 

130 

128 

128 

349 

416

Sept.

338 

196 

172 

164 

169

156 

868 

1,830 

2,710 

1,080

625 

451 

369 

316 

271

264 

264

232 

211 

199

180 

174 

169 

166 

164

162 

154 

149 

147 

144

Runoff

Inches

11.54 

12.39

20.73

137.98

15.24 

14.46 

9.52 

13.61 

10.09 

9.90 

4.36 

2.02 

3.90

127.76

ct. 25 (1 a.m.) 21,700 sec. -ft.: Nov. 27 (10:30 a.m. 8,010 sec. -ft.; 

-ft.; Jan. 24 (4:30 a.m.) 14,OOO sec. -ft.; Feb. 14 (10 a.m. to 2 p.m. 

a.m.) 6,870 sec. -ft. 

ght record June 10 to July 18, Aug. 8-27; discharge computed on basis 

ecords for station above Jim Creek, near Arlington.

Ao re-feet

73,230 

78,630 

131,600

875,600

96,740 

91,750 

60,400 

86,370 

64,060 

62,840 

27,680 

12,840 

24,780

810,900

Dec. 11 

) 8,600

of recorded
STILLAGUAMISH RIVER BASIN

South Pork Stillaguamish River above Jim Creek, near Arllngtor, Wash.

Location.- Water-stage recorder, lat. 48°09'55", long. 122°03 I 55", in SW£ sec. 17, T. 31 

N., H. 6 E., 1 ? miles upstream from Jim Creek and 3 miles southeast of Arlington. Datum of gage is 80.00 feet above mean sea level, datum of 1929.

Drainage area.- 199 square miles.

Records available^- October 1936 to September 1947.

Average discharge^- 11 years, 1,414 second-feet.

Extremes.- Maximum discharge during year, 29,900 second-feet Oct. 25 (gage height, 26.07 

FeetT from rating curve extended above 16,000 second-feet; minimum, 180 second-feet 

Oct. 19.

1936-47: Maximum discharge, that of Oct. 25, 1946; minimum, 112 second-feet Sept. 

2, 3, 1945.

Remarks.- Records good except those above 15,000 second-feet, which are fair, and those 

for periods of no gage-height record, which are poor. No diversion or regulation.

Rating tables, water year 134b-47 (gage height, in feet,

and discharge, in second-feet) 

(Shifting-control method used Nov. 26 to Dec. 10)

Oct. 25 to Sept. 30

11.0

11.3

11.6

12.0

12.5

180

290

420

630

990

Note.- Same as 

following table 

above 12.5 feet.

10.7

11.0

11.3

11.6

11.9

12.2

185

260

362

483

627

795

12.5

13.0

13.5

14.0

14.5

15.0

990 

1,440 

2.OOO 

2,680 

3,450 

4,290

16.0

17.0

18.0

19.0

20.4

6,140

8,140

10,200

12,400

15,700

Discharge, in second feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

317

274

232

329

550

352

413

500

393

352

294

262

240

266

258

226

204

187

218

2,430

2,870

1,930

2,510

10,800

15,500

4,100

2,400

1,800

1,400

1,100

1,200

Nov.

1,7OO

1,300

940

940

l.OOO

1,200

1,250

l.OOO

9OO

1,200

1,100

l.OOO

940

900

860

860

1,300

1,900

1,150

900

860

2,2OO

4,830

3,950

5,280

6,780

6,830

3,530

2,540

1,760

-

Dec.

1,390

3,370

3,880

5,380

4.2OO

2,980

2,800

3,780'

3,540

11,000

12,800

4,980

5,760

4,650

3,610

2,470

1,880

1,600

1,390

1,340

1,630

2,810

1,820

1,440

1,300

1,300

1,250

1,050

934

914

813

Jan.

777

691

718

730

664

675

596

602

617

2,830

2,130

1,440

1,130

998

934

831

927

1,190

1,700

1,120

2,260

5,160

11,900

12,300

6,730

5,860

2,980

2,130

1,650

1,440

1,200

Month

October .......................

November ......................

December ...... ...............

Calendar year 1946 .........

January .......................

February ......................

March .........................

April .........................

may Ifnv ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

1,340

6,160

2,540

1,760

1,490

1,300

1,250

1,200

1,140

1,110

1,760

4,510

6,730

1O.9OO

5,380

2.98O

2,130

1,760

1,490

1,300

1,540

1,820

1,650

1,490

1,300

1,140

1,020

927

-

_

-

Second 

foot-days

53,907

60,900

98,061

641,249

74,910

69,117

49,337

70,240

45,107

49,070

21,620

9,340

18,419

620,028

Mar

855

825

1,820

1,490

1.O5O

890

910

910

1,200

3.2OO

2.6OO

1,600

1,450

1,700

2,100

2,40O

2,400

2,100

1,900

1,760

2,030

2,330

1,540

1,600

1,340

1,120

983

941

983

1,380

1,930

Maximum

15,500

6,830

12,800

15,500

12,300

10,900

3,200

8,280

2,610

5,480

1,330

654

3,910

15,500

Apr.

3,250

2,330

1,600

1,440

1,390

1,650

1,440

1,890

2,130

3,030

2,000

1,540

1,760

2,130

2,260

2,2OO

2,470

3,860

8,280

4,500

2,610

1,940

1,700

1,540

1,440

1,650

1,940

1,880

2,330

2,060

-

May

2,130

2,610

2,060

1,650

1,540

1,760

2,060

1,650

1,760

1,490

1,200

1,250

1,080

941

907

927

962

935

2,050

1,440

1,300

1,200

1,300

1,490

1,600

1,650

1,650

1,490

1,120

998

9O7

Minimum

187

860

813

159

596

927

825

1,390

907

881

392

201

230

187

June

881

998

1,140

1,080

1,030

2,120

1,440

1,970

5,480

2,680

1,700

1,250

1,250

1,300

1,010

2,380

2,840

1,760

1,440

1,160

969

914

894

920

894

1,800

3,210

2,000

1,440

1,120

-

Mean

1 739

2^030

3,163

1,757

2,416

2,468

1, 592

Z, 341

1,455

1,636

697

301

614

1,699

July

1,010

ogj

868

789

747

724

669

596

576

560

570

1,000

740

690

960

760

700

700

640

550

490

470

432

424

424

408

392

1,330

1,150

713

576

Per 

square 

mile

8.74

10.2

15.9

8.83

12.1

12.4

8.00

11.8

7.31

8.22

3.50

1.51

3.09

8.54

Aug.

519

474

453

428

396

366

337

319

323

282

282

263

254

248

251

254

254

236

233

230

222

218

215

210

208

205

205

201

2O1

399

654

Sept.

370

292

254

242

266

254

1,170

2,260

3,910

1,820

976

718

591

501

440

428

424

370

326

302

276

263

257

251

251

248

248

242

239

230

-

Runoff

Inches Acre feet

10.07 106,900

11.38 120,800

18.33 194,500

119.82 1,272,000

14.00 148,600

12.92 137,100

9.22 97,860

13.13 139,300

8.43 89,470

9.17 97,330

4.04 42,880

1.75 18,530

3.44 36,530

115.88 1,230,000

Peak discharge.- Oct. 25 (4 a.m.) 29,900 sec.-ft.; Dec. 11 (2 a.m.) 17,800 sec.-ft.; Jan. 24 (4:30 

a.m.) 18,500 sec.-ft.: Feb. 14 (2 p.m.) 11,800 sec.-ft.; Apr. 19 (l p.m.) 10,700 sec.-ft.

Note.- No gage-height record Oct. 25 to Nov. 21, Mar. 6-18, July 11-2O; discharge computed on 

basis of recorded range in stage and records for nearby streams.
STILLAGUAMISH RIVER BASIN 155

Jim Creek near Arlington, Wash.

Location.- Water-stage recorder, lat. 48°10'30", long. 122°03'55", in SE^NW^ sec. 17, T. 

31 N., R. 6 E., 1 mile upstream from mouth and 3 miles southeast of Arlington.

Drainage area.- 48.9 square miles.

Records available.- October 1937 to September 1947.

Average discharge.- 10 years, 186 second-feet.

Extremes.- 1945-46: Maximum discharge during water year, 4,060 second-feet probably 

Oct.25 (gage height, 9.2 feet, from high-water mark in gage well), from rating curve 

extended above 1,900 second-feet; minimum, 16 second-feet (revised) Sept. 28, 29, 30.

1946-47: Maximum discharge during water year, 3,690 second-feet Oct. 25 (gage 

height, 8.77 feet), from rating curve extended above 1,900 second-feet; minimum, 16 

second-feet Aug. 26, 27.

1937-47: Maximum discharge, that of Oct. 25, 1945; minimum, 5.9 second-feet Sept. 

16, 1943.

Remarks.- Records good except those for periods of shifting control, which are fair, and 

tnose for periods of no gage-height record, which are poor. No diversion or regulation.

Revisions.- Revised figures of discharge for the water year 1946, superseding those 

puDiished in Water-Supply Paper 1062, are given herein.

 1.2

1.4

1.6 

1.8 

2.0

Rating tables, October 1945 to September 1947, except periods of shifting control 

(gage height, in feet, and discharge, in second-feet)

Oct. 1-25, 1945

2.3 190

270

400

590

795

4.5 

5.0 

6.0 

7.0 

8.0

1,020

1,270

1,800

2,400

3,100

Oct. 26, 1945, to Sept. 30, 1947

1.8 

2.0

78

112

2.3 

2.6 

3.0 

3.5 

4.0

172

244

356

535

750

4.5 980

5.0 1,230

6.1 1,840

Discharge, in second-feet,__ 1945-47 

1945-46

Daj

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Dot.

65

60

55

50

48

45

42

39

37

36

35

34

33

33

32

34

70

50

100

100

70

200

180

220

2,900

1,700

1,030

806

516

555

842

Nov.

576

772

640

795

683

516

391

306

270

320

391

359

362

925

683

451

356

440

458

419

344

314

300

275

388

415

353

275

300

330

Dec.

360

400

490

450

380

480

370

300

270

240

210

190

170

160

150

135

125

120

115

110

120

160

170

180

150

160

220

580

620

390

400

Jan.

320

430

520

760

800

620

800

700

500

400

300

240

190

170

150

230

f341

f402

335

f232

240

800

450

870

510

f292

260

250

240

210

230

Feb.

280

370

330

250

270

405

356

286

270

252

219

195

179

205

224

195

224

260

217

197

205

232

472

1,110

858

556

664

661

_

_

-

Mar.

576

683

597

516

444

422

332

309

292

275

305

618

447

402

436

378

350

338

289

249

224

219

244

270

323

488

426

344

338

338

303

Apr.

265

236

224

217

200

193

186

177

179

219

395

436

335

270

239

257

257

273

273

229

254

219

207

226

281

273

217

197

476

359

-

May

294

281

317

312

249

205

200

219

179

202

190

172

149

135

123

129

157 1-53

147

151

137

133

118

116

118

114

122

129

108

96

94

June

92

108

101

89

81

89

137

114

96

103

94

81

105

580

563

317

190

145

127

114

101

110

96

152

388

408

362

281

317

262

-

July

217

177

153

141

125

114

103

105

141

116

103

99

91

78

80

94

69

60

54

50

46

43

40

38

37

34

33

32

31

32

33

Aug.

35

36

29

28

27

31

31

27

25

25

23

24

24

25

25

25

25

23

21

21

20

20

19

19

18

18

19

19

19

18

18

Sept.

19

19

18

19

21

29

22

20

18

18

17

17

19

64

38

36

27

. 22

21

19

20

2E

20

18

17

17

17

16

16

18

-

Peak discharge.- Feb. 24 (8 p.m.) 1,840 sec.-ft.

r Computed on basis of partly estimated gage-height record.

Note.- Ho gage-height record Oct. 1-26, Nov. 29 to Jan. 16, Jan. 21-25, Jan. £7 to Feb. 4; discharge computed on basis of recorded range in stage and records for Pilchuck River near Granite 

Palls. Shifting-control method used June 16-25.
156 STILLAGUAMI3H RIVER BASIN

Discharge, in second-feet, of Jim Creek near Arlington, Wash., 1945-47--Continued

194S-47

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oot.

38

25

22

33

51

29

41

49

37

32

26

24

23

31

29

25

22

22

25

282

317

179

188

1,140

1,840

618

372

279

226

193

181

Nor.

270

222

184

170

1S6

153

151

135

122

193

179

157

139

125

120

118

142

232

179

168

153

497

1,030

818

823

705

683

412

341

275

-

Deo.

232

297

466

668

750

535

516

795

705

1,440

1,620

795

795

640

516

395

317

273

257

247

262

353

300

252

219

202

195

172

157

143

131

Jan.

122

114

107

101

99

94

91

88

88

310

398

294

254

222

205

205

200

339

398

309

538

745

1,230

1,380

980

840

556

447

348

284

242

Feb.

224

1,060

516

359

265

219

190

172

155

141

151

409

684

1,230

618

440

332

270

226

200

219

270

275

247

214

186

166

149

_

-

-

Mar.

135

125

g219

g219

162

143

147

170

184

413

597

382

300

281

262

247

226

226

193

170

184

190

143

162

147

131

122

112

108

153

174

Apr.

350

294

239

234

234

306

281

378

402

473

350

289

270

244

214

190

197

323

860

535

353

265

219

190

170

159

153

141

188

153

-

May

162

168

137

116

107

110

110

94

110

96

81

80

68

63

63

62

59

58

129

81

69

63

62

66

64

59

55

51

43

40

38

June

38

46

48

42

38

84

78

133

381

207

139

103

94

91

72

180

224

145

123

96

83

74

64

60

54

217

586

323

229

170

-

July

137

112

96

£4

76

68

63

E5

53

48

49

64

E9

48

59

51

41

3S3 1;

3?

29

29

23

273-;

35

23

240

159

84

63

Aug.

58

49

44

40

38

35

33

30

30

30

28

27

25

25

25

23

25

23

21

21

21

20

20

20

18

18

17

18

19

33

46

Sept.

30

25

22

27

43

30

271

188

454

184

118

89

72

60

54

60

60

49

42

38

36

34

31

29

28

27

29

29

25

24

-

Peak discharge.- Oct. 25 (2 a.m.) 3,690 sec.-ft.; Dec. 11 (6:30 a.m.) 2,080 sec.-ft. 

(4:30 a.m.) 2,260 sec.-ft.; Feb. 14 (11:30 a.m.) 1,380 sec.-ft.

g Computed from graph based on gage readings. 

Note.- Shifting-control method used Feb. 1-14.

Monthly discharge,"in second-feet, 1945-47

Month

January 1946 .... ... . .

Maroh... ......................

May. ..........................

April .........................

July

Seoondfoot-days

10,017 

13,407 

8,375

80,474

12,792 

9,942 

11,775 

7,769 

5,249 

5,803 

2,569 

737 

664

89,099

6,399 

9,062 

14,645

87,081

11,627 

9,587 

6,427 

8,654 

2,564 

4,222 

2,022 

880 

2,208

78,297

Maximum

2,900 

925 

620

2,900

870 

1,110 

683 

476 

317 

580 

217 

36 

64

2,900

1,840 

1,030 

1,620

1,840

1,380 

1,230 

597 

860 

168 

586 

240 

58 

454

1,840

Minimum

32 

270 

110

9.6

150 

179 

219 

177 

94 

81 

31 

18 

16

16

22

118 

131

16

88 

141 

108 

141 

38 

38 

27 

17 

22

17

Mean

323 

447 

270

220

413 

355 

380 

259 

169 

193 

82.9 

23.8 

22.1

244

206 

302 

472

239

375 

342 

207 

288 

82.7 

141 

65.2 

28.4 

73.6

215

Per 

square 

mile

6.61 

9.14 

5.52

4.50

8.45 

7.26 

7.77 

5.30 

3.46 

3.95 

1.70 

.487 

.452

4.99

4.21 

6.18 

9.65

4.89

7.67 

6.99 

4.23 

5.89 

1.69 

2.88 

1.33 

.581 

1.51

4.40

Runoff

I-ohes

7.62 

10.20 

6.37

61.22

9.73 

7.56 

8.96 

5.91 

3.99 

4.41 

1.95 

.56 

.50

67.76

4.87 

6.89 

11.14

66.22

8.84 

7.29 

4.89 

6.58 

1.95 

3.21 

1.54 

.67 

1.68

59.55

Acre-feet

19,870 

26,590 

16,610

159,600

25,370 

19,720 

23,360 

15,410 

10,410 

11,510 

5,100 

1,460 

1,320

176,700

12,690 

17,970 

29,050

172,700

23,060 

19,020 

12,750 

17,160 

5,090 

8,370 

4,010 

1,750 

4,380

155,300
STILLAGUAMISH RIVER BASIN 157

^orth Pork Stillaguamish River near Arlington, Wash.

Location.- Water-stage recorder, lat. 48°15'45", long. 122 D 02'45", in SE^NV'I sec. 16, T. 

3K N., R. 6 E., 6 miles northeast of Arlington, 7 miles upstream from mouth, and 8 

miles downstream from Deer Creek. Datum of gage is 89.34 feet above mean sea level, 

datum of 1929.

Drainage area.- 369 square miles.

Records available.- July 1928 to September 1947.

Average discharge.- 19 years, 1,660 second-feet.

Extremes.- Maximum discharge during year, 27,500 second-feet probably Jan. 24 (gage 

neignt, 13.10 feet, from high-water mark in well); minimum, 231 second-feet Oct. 19 

(gage height, 1.32 feet).

1928-47; Maximum discharge, 27,700 second-feet Feb. 26, 1932 (gage height, 12.7 

feet); minimum, 88 second-feet Sept. 23, 1938.

Remarks^- Records good except those for periods of shifting control or no gage-height 

record, and those above 15,000 second-feet, which are fair. No known diversion or 

regulation.

Rating table, water year 1946-47, except period of shifting control 

(gage height, in feet, and discharge, in second-feet)

1.3

1.6 

2.0 

2.5

3.0

225

325

495

755

1,060

3.5

4.0 

4.5 

5.0 

6.0

1,390

1,770

2,200

2,700

3,890

7.0

8.0

9.0

10.0

11.0

5,600

8,000

ll.OOO

14,500

18,700

Discharge, in second-feet, water year October 1945 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

357

314

276

374

486

337

381

441

361

318

290

276

280

294

272

255

£46

237

272

3,050

2,860

1,610

2,140

10,700

14,000

3,900

2,500

1,500

1,000

900

1,000

Nov.

1,600

1,250

1,000

900

950

1,060

960

782

700

900

700

600

550

520

475

450

767

1,460

870

672

575

1,640

5,160

3,270

4,150

5,000

5,400

3,500

2,500

2,000

-

Dec.

1,650

2,960

4,610

6,740

5,560

3,890

3,630

4,160

3,890

12,000

18,200

5,000

5,600

4,450

3,630

2,640

2,000

1,800

1,600

1,500

2,000

2,900

1,930

1,570

1,420

1,390

1,280

1,120

1,020

900

900

Jan.

840

728

7OO

672

694

672

615

620

625

2,770

2,320

1,530

1,250

960

870

870

900

1,200

2,100

1,600

4,000

9,000

16,800

17,800

8,000

6,500

3,760

2,760

2,110

1,810

1,500

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March .........................

April .........................

May ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

1,500

5,560

2,900

2,110

1,770

1,610

1,500

1,500

1,420

1,360

1,850

5,410

7,370

13,700

7,300

4,300

3,150

2,540

2,160

1,930

2,160

2,290

2,160

1,980

1,730

1,570

1,420

1,280

_

_

-

Secondfoot-days

51 227

Sol 361

111,940

738,577

96,576

85,530

59 590

74I680

46,860

46,260

24,442

2l! 560

681,008

Mar.

1,220

1,150

2,210

1,850

1,420

1,250

1,220

1,250

1,280

2,440

4,020

2,490

2,020

2,060

2,290

2,490

2,700

2,590

2,340

2,160

2,290

2,440

1,810

1,890

1,690

1,460

1,320

1,250

1,280

1,690

2,020

Maximum

14,000

5,400

18, 200

18,200

17,800

13,700

4,020 

8, 960

2,700

4 34O

1*590

595

4,330

18,200

Apr.

2,910

2,390

1,730

1,570

1,530

1,890

1,730

1,930

2,110

2,760

2,200

1,730

1,850

2,110

2,290

2,160

2,290

3,880

8,960

4,990

3,030

2,290

2,020

1,890

1,730

1,850

2,060

2,020

2,440

2,340

May

2,490

2,700

2,240

1,850

1,690

1,850

2,060

1,850

1,770

1,570

1,360

1,390

1,250

1,120

1,060

1,120

1,090

1,090

1,770

1,390

1,280

1,220

1,250

1,390

1,460

1,460

1,500

1,390

1,180

1,060

960

Minimum

237

450

yuu

237

615

1 , 280

1,150 

1,530

96O

840

454

294

300

237

June

930

1,020

1,150

1,060

960

1,250

1,120

1,500

4,170

2,110

1,460

1,220

1,150

1,090

930

1,750

2,240

1,500

1,360

1,150

960

900

870

870

840

2,690

4,340

2,440

1,810

1,420

- '

Mean

1 , 652

1 , 679

3,611

2,023

3,115

3,055

2*489

1 5 12

1J542

387

719

1,866

July

1,250

1,120

990

900

840

782

728

689

650

635

7OO

1,220

1,020

810

900

810

694

645

625

585

545

525

500

482

482

472

454

1,590

1,350

782

667

Per 

square 

mile

6 . 14

6 . 24

13.4

7 . 52

11.6

11.4

7.14

9 . 25

5 * 62

5.73

2 . 93

1.44

2.67

6.94

Aug.

595

555

530

310

486

464

141

132

132

423

397

593

577

565

361

361

;

^

557

553

533

325

322

2

;

;

22

11

00

294

294

2

Z

2

1

94

94

94

57

410

Sept.

345

314

300

325

441

345

1,730

1,320

4,330

1,870

1,090

810

694

60O

550

640

700

545

482

446

410

401

393

373

365

357

357

349

345

333

Runoff

Inches

7 .08

6 . 96

15 . 48

102.12

13.35

8 .24

10.32

6 .48

6.40

3 . 38

1.66

2.98

94.15

Ac re- feet

101,600

222*000 '

1,465,000

191,600

169, 600

118, 200

148,100 

92 95O

91 ".760

48,480

23,770 

42,760

1,351,000

- ---_- ----- ---- - . , . - ; ; pr

Pet). 14 (5 p.m7) 14,500 sec.-ft.; Apr. 19 (12:45 p.m.) 11,300 sei.-ft.

Note.- No gage-height record Oct. 26 to Nov. 5, Hov. 11-16, Nov. 25 to Dec. 1, Dec. 11-13, 17-21, 

Jan. 18-25; discharge computed on basis of recorded range In stage, high-water mark in well, and records for nearby streams. Shifting-control method used Oct. 20 to Feb. 13.
158 SKAGIT RIVER BASIN

Skagit River near Hope, British Columbia 

(International gaging station)

Location.- Water-stage recorder, lat. 49°03 1 , long. 121°05', just downstream from Galena

 Creek , 4 miles upstream from international boundary, and 40 miles southeast of

Hope, British Columbia. 

Drainage area.- 370 square miles . 

Records available.- October 1934 to September 1947 in reports of Geological Survey. March

 1915 to September 1922 in bulletins of Dominion Water & Power Bureau, Canada.

Average discharge.- 13 years (1934-47), 818 second-feet.

iixtremes . - Maximum discharge during year, 5,630 second-feet May 8 (gage height, 8.47 feet);

minimum , 152 second-feet Got. go (gage height, 2.50 feet).

1915-22, 1934-47: Maximum discharge, 7,560 second-feet June 17, 1916; minimum

recorded, 81 second-feet Feb. 9, 1937. 

Remarks . - No diversion or regulation. 

Cooperation.- This station is maintained with the cooperation of the city of Seattle and

is one of the international gaging stations maintained by Canada under agreement with

the United States.

Rating tables, water year 1946-47 (gage height, in et,

and discharge, in second-feet)

Oct. 1 to May 8 May 9 to Sept. 30

2.5 152 3.7 605 6.0 2,19O 

2.7 208 4.0 760 7.0 3,340 

2.9 270 4.5 1,060 8.0 4,84O 

3.1 345 5.0 1,390 9.0 6,530 

3.4 465 5.5 1,750

Discharge, in second- feet, water year October

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

188 

182

176 

174 

176

176 

179 

179 

176 

174

171 

166 

163 

166 

166

166 

163 

157 

155 

171

202

191 

196 

254 

850

605 

457 

381 

333 

298 

280

Nov.

274 

254 

244 

241 

244

241 

241 

232 

223 

223

214 

205 

202 

194 

196

191 

194 

179 

a!82 

a!86

a!90 

a!94 

a!98 

a201 

a205

a209 

3213 

a216 

220 

208

Dec.

199 

208 

248 

341 

405

365 

337 

333 

313 

600

1,090 

1,380 

1,040 

832 

700

605 

514 

a493 

a473 

a452

a431 

8411 

a390 

a370 

349

345 

325 

260 

264 

254 

264

Jan.

257 

238 

235 

238 

241

254 

254 

251 

248 

248

244 

235

225 

208 

208

208 

211 

211 

211 

202

202

211 

277 

3484 

690

685 

605 

546 

a504 

461 

377

Feb.

381 

445 

429 

405 

385

369 

353 

345 

337 

333

329 

449 

645 

856 

1,020

976 

892 

826 

766 

722

685 

660 

655 

665 

660

635 

615 

585

Month ' SecondMonth foot-days

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

Wa

ber .......................

lendar year I 9* 6 

ary

h.........................

1 .........................

.... .... . K

. . ...... .......... 

.....................

st ........................

ember .....................

7,471 

6,414 

14,591

56,407

9,670 

L6,423 

>5,502 

14,928 

)1,640 

35,460 

27,350 

LI, 231 

7,115

ter year 1946-47 .......... 337,795

Mar.

565 

555 

555 

528 

496

478 

470 

457 

445 

433

425

421 

409 

429 

514

690 

952 

,190 

,330 

,400

,450 

,410 

,290 

,140 

,050

,040 

,020 

,010 

,030 

,120 

,200

Maximum

850 

274 

1,380

5,700

690 

1,020 

1,450 

2,790 

5,390 

3,290 

1,310 

565 

284

5,390

Apr.

1,280 

1,240 

1,160 

1,090 

1,010

958 

904 

868 

856 

856

820 

814 

892 

1,160 

1,470

1,590 

,810 

,920 

,990 

,980

,810 

,670 

,570 

,540 

1,590

1,780 

2,290 

2,790 

2,790 

2,430

2.7 192 3.3 410 

2.9 260 3.6 550 

3.1 330 4.0 760

Note.- Same as preceding table above 4.O feet.

1946 to September 1947

May

2,120 

2,480 

2,890 

2,780 

2,790

2,590 4,060' 

5,390 

5,050 

4,790

3,370 

3,290 

3,130 

2,740 

2,480

2,330 

2,160 

1,980 

1,970 

2,120

2,320 

2,410 

2,630 

3,140 

4,000

4,660 

5,170 

4,630 

4,380 

4,120 

3,670

Minimum

155 

179 

199

155

202 

329 

409 

814 

1,970 

1,290 

525 

256 

202

155

June

3,250 

' 3,290 

3,200 

2,880 

2,650

2,810 

2,800 

2,780 

2,940 

2,730

2,430 

2,230 

2,190 

2,110 

1,920

1,910 

2,090 

2,040 

1,950 

1,740

1,570 

1,520 

1,560 

1,640 

1,700

1,660 

1,650 

1,530 

1,400 

1,290

Mean

241 

214 

471

976

312 

586 

823 

1,500 

3,280 

2,180 

882 

362 

237

925

July

,2EO 

,310 

,260 

,210 

,160

io50 

1,010 

976

946 

976 

9f4 

92-8 

976

9C4 

850 

832

7£6

749 

7C5 

672 

630 

5£5

580 

550 

610 

610 

550 

525

Per 

square 

mile

0.65 

.58 

1.27

2.64

.84 

1.58 

2.22 

4.05 

8.86 

5.90 

2.38 

.98 

.64

2.50

Aug.

555 

565 

535 

520

486

450 

437 

419 

406

394

382 

370 

358 

350 

338

338 

326 

316 

298 

295

284 

298 

295 

288 

284

274 

264 

260 

256 

295 

295

Sept.

284 

270 

264 

256 

281

256 

253 

260 

267 

267

246 

239 

232 

222 

212

250 

274 

246 

232 

215

208 

208 

212 

218 

212

208 

208 

208 

205 

202

Runoff

Inches

0.75

.65 

1.46

35.80

.97 

1.64 

2.56 

4.52 

10.22 

6.58 

2.74 

1.13 

.71

33.91

Acre-feet

14,820 

12,720 

28,940

717,000

19,180 

32,570 

50,580 

89,110 

201,600 

129,800 

54,250 

22,280 

14,110

670,000

a No gage-height record; discharge interpolated.
SKAGIT RIVER BASIN 159

Ross Reservoir near Newhalem, Wash.

Location.- Staff gage, lat. 48°44', long. 121°04', in SEjj sec. 35, T. 38 N., R. 13 E., at 

Koss Dam on Skagit River 9 miles northeast of Newhalem. Datum of Rage is at mean sea 

level (city of Seattle bench mark).

Records available.- October 1946 to September 1947. 

Marcn iy«u to September 1946.

Monthly elevations and contents

Extremes.- Maximum contents observed during year, 514,490 .acre-feet Aug. 3 (elevation, 

1.5UU.90 feet); minimum observed, 59,610 acre-feet Apr. 15 (elevation, 1,354.18 feet). 

1940-48: Maximum contents observed, that of Aug. 3, 1947.

Remarks.- Reservoir is formed by concrete dam completed to elevation 1,500 feet June 1947; 

storage began Mar. 11, 1940. Capacity, 508,060 acre-feet between elevations 1,250 feet 

(lowest outlet) and 1,500 feet (overflow). Dead storage negligible. Water used to 

supplement low flow of Skagit River through city of Seattle's Diablo and Newhalem power 

plants. Gage-height record collected in cooperation with city of Seattle. Figures 

given herein represent total contents.

Capacity table (elevation, In feet, and contents, In acre-feet)

(Prepared by Geological Survey on basis of 15 contour areas

furnished by city of Seattle)

1,360

1,370

1,380

1,390

1,400

68,290

85,010

103,810

123,860

144,940

1,410

1,420

1,430

1,440

1,450

168,090

193,900

222,050

252,640

285,540

1,460

,470

,480

,490

,500

321,210

360,870

405,230

454,480

509,240

Gage height at 8 a.m., In feet, water year October 1946 to September 1S47

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

1 , 408 . 88

1,409.10

1,408.64

1,408.14

1.407.7C

1 , 407 . 4C

1,407.10

1,407.00

1,406.60

1,406.20

1,405.82

1 , 405 . 34

1,405.30

1 , 405 . 30

1,404.76

1,404.20

1.404.0C

1 , 403 . 92

1,403.4C

1,403.0C

1,403.38

1 , 403 . 42

1,403.3C

1,403.12

1,405.60

1 , 407 . 70

1,409.38

1,410. 1C

1,410.7C

1,410.88

1,411.16

Nor.

1,411.38

1,411.20

1,411.36

1,411.3C

1,411.4?

1,411.50

1,411.82

1,411.98

1,411.88

L,411.26

1,411.38

L, 411. 14

1,411.20

L, 410, 84

L, 411. 16

1,410.26

1,410.08

1,409.76

1,409.38

1,409.36

1,408.76

1,408.00

1,407.65

1,407.58

1,406.80

1,406.96

1,406.78

1,406.7s1

1,406.52

1,406.78

-

Dec.

1,406.84

L, 407. 18

1 , 407 . 40

1,407.96

1 , 408 . 96

1,409.54

1,410.02

1,410.50

1,410.70

1,411.24

1,414.48

1,418.20

L,420.28

1,421.58

1,422.46

1,423.14

1,423.40

1,423.52

1,423.56

1,423.68

1,423.58

L, 423. 50

1,423.00

1,422.25

1,421.48

1,420.66

1,419.84

1,419.02

1,418.09

1,417.12

1,416.18

Jan.

1,415.28

1,414.37

L.413.35

1,412.40

1,411.98

L, 411. 20

1,410.60

L, 409. 50

L,4O9.0O

1,408.72

1,407.72

L, 407. 65

L , 407 . 45

1,406.45

L, 406. 35

,,405.08

1,404.66

L, 404. 20

1,404.06

1,403.86

1,403.55

L, 403. 25

1,403.1§

i., 404. 76

1,406.84

L, 408. 25

L , 409 . 48

1,410.14

1,410.90

1,411.20

1,411.50

Feb.

1,411.10

1,410.80

1,410.44

1,410.00

3, 409.50

1,408.90

1, 408 . 90

1,409.02

1,408.90

1, 408 . 80

1,408.70

1, 408 . 70

1,409.50

1,411.10

1,413.72

1,415.54

1,417.68

1,419.22

1,420.30

1,421.30

1,422.00

1,422.66

1,423.26

1,423.76

1,424.20

1,424.66

1,425.00

1,425.30

-

-

-

Mar.

1,425.54

1,425.80

L, 426.26

1,426.54

L, 426. 60

L, 426. 94

1,427.20

.,427.16

.,427.26

.,427.00

,427.06

.,424.98

,422.22

.,419.54

.,416.30

1,413.20

1,410.80

L , 409 . 00

L, 407. 80

L, 406. 68

1,405.70

1,404.60

1,403.38

1,401.76

1,402.80

1,400.70

L, 398. 20

1,395.44

1,392.88

1,390.48

1,388.40

Apr.

1,386.46

1,384.64

1,382.68

1,380.52

1,378.32

1,375.80

1,373.10

1,370.4C

1,367.60

1,364.7C

1.362.0C

1,359. 1C

1,356.52

1,354.50

1,354.18

1,354.88

1,356.80

1,361.40

1,365.8C

1,371.4C

1,377.00

1,379.50

1,381.30

1,383.30

1,385.30

1,388.30

1,393.00

1,399.30

1,404.40

1,409.30

-

Hay

1,412.30

1,414.80

1,419.60

1.424.3C

1,428.00

1,431.80

L,436.4C

1,444.00

1,451.10

1,456.90

1,461.40

1,465.00

1,468.50

1,471.54

1,474.46

1,476.50

1,476.20

1,479.82

1,480.96

1,482.20

1,482.96

1,484.40

1,484.30

1,484.74

1,486.06

1,488.00

1,490.46

1,493.00

1,494.96

1,496.50

1,497.60

June

1,498.40

1,498.90

1,499.40

1,499.75

1,499.80

1,499.86

1,499.90

1,500.00

L,500.44

1,500.82

1,500.72

1,500.40

1,499.90

1,499.50

1,498.85

1,498.06

1,497.80

L, 497. 60

L, 497. 18

1,496.48

1,495.40

1,495.20

1,495.36

L, 495. 86

L, 495. 10

1,494.46

1,493.70

1,493.84

L, 494. 50

1,495.00

-

July

1,495.40

1,495.30

L, 495. 36

1,495.18

1,495.12

1,495. 40

1,495.80

L, 495. 46

1,495.06

1,495.26

1,495.08

1,495.30

1,496.66

1,497.80

1,498.54

1,499.10

1,499.16

Aug.

,499.80

,500.10

,500.50

,500.70

,500.80

,500.40

' ,500. SO

,500.00

,499.90

,500.00

,500.00

,499.76

.,499.36

,499.18

.,499.16

.,499.48

.,499.48

1,499.40 .,499.64

1,499, 60^., 499. 46

1,499.90! '.,499.14

1,500.40' ,498.90

1,500. 20 '.,498. 65

L, 500. 00 '.,498. 36

1,499.62 .,498.24

L,499i20 .,498.38

1,499.10 ,498.14

1,499. 16^., 497. 90

1,499.40 .,497.88

1,499.66 .,497.60

L, 499. 60 '.,497. 88

.,499.66 ,498.00

Sept.

1,498.20

1,498.20

1,497.90

L, 497. 90

L, 497. 76

L, 497. 80

1,497.64

1,497.70

L , 497 . 50

.,497.30

1,497.26

.,496.90

.,496.40

.,496.20

L, 496. 10

.,495.80

.,495.26

1,494.60

1,494.10

.,493.70

.,493.50

.,493.30

.,493.18

.,493.08

.,492.88

.,492.68

.,492.68

.,492.70

L, 492. 90

1,492.82

-

Monthly elevation and contents, water year October 1946 to September 1947

Date

Dec. 31.. ...............

Calendar year 1946. ....

Sept. 30. .................

Water year 1946-47. ....

Elevation 

(feet)t

1,408.8 

1,411.4 

1,406.9 

1,415.6

-

1,411.3 

1,425.6 

1,387.1 

1,411.8 

1,498.2 

1,495.2 

1,499.6 

1,498.1 

1,492.8

-

Contents 

(acre-feet)

165,180 

171,530 

160,640 

182 , 200

-

171,280 

209,390 

117,940 

172,520 

498.930 

482,190 

506,940 

498,360 

469,210

-

Change In contentr 

during month 

(acre-feet)

+6,350 

-10,890 

+21,560

+139,900

-10,920 

+38,110 

-91,450 

+54,580 

+326,500 

-16,740 

+24,750 

-8 , 580 

-29,150

+304,000

t Elevation and contents at 12 p.m. based on 2 dally observations.
160 SKAGIT RIVER BASIN 

Skagit River at Nerwhalem, Wash.

Location.- Water-stage recorder, lat. 48°40', long. 121°15', in SE£ sec. 21, T. 37 N., R. 

12 K., at power plant of city of Seattle at Newhalem, a quarter of a mile upstream from 

Newhalem Creek, 11 miles upstream from Bacon Creek, and 16 miles upstream from Marblemount. Datum of gage is 400 feet above mean sea level, subject to adjustment to datum 

of 1929.

Drainage area.- 1,160 square miles, of which 390 square miles is in Canada.

Hecoras available.- December 1908 to May 1914 and October 1920 to Septembe" 1947 in

reports or Geological Survey. October 1908 to September 1933 (monthly discharge only) 

in State Water-Supply Bulletin 5.

Average discharge.- 39 years, 4,251 second-feet (adjusted for storage in Diablo Reservoir 

since October 1929 and Ross Reservoir since March 1940).

Extremes.- Maximum discharge daring year, 13,500 second-feet (regulated) May 25 (gage 

neight, 87.11 feet); minimum, 279 second-feet (regulated) Dec. 19 (gage height, 79.16 

feet); minimum daily, 1,150 second-feet (regulated) Oct. 13.

1908-14, 1920-47: Maximum discharge, 63,500 second-feet Nov. 29, 1909 (gage height, 

22.0 feet, from floodmark, site and datum then in use); minimum, 54 second-feet (regulated Nov. 1, 1943 (gage height, 78.15 feet); minimum daily, 136 second-feet (regulated) Aug. 24, 1930.

Remarks.- Records excellent. Water is diverted 3 miles upstream and is returned to river 

at Seattle power plant just above station. Flow partly regulated by Diablo and Ross 

Reservoirs (see p. 165), having a combined capacity of 584,000 acre-feet by June 1947.

Cooperation.- Gage-height record collected in cooperation with city of Seattle.

Rating table, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

80.7 1,120 

81.0 1,560 

81.5 1,820 

82.0 2,350 

Discharge, in second- f set.

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

1,430 

1,450 

1,430 

1,510 

1,260

1,160 

1,380 

1,410 

1,360 

1,390

1,340 

1,270 

1,150 

1,380 

1,350

1,310 

1,240 

1,250 

1,250 

1,370

1,300 

1,410 

1,360 

2,820 

5,030

1,750 

1,300 

1,360 

1,430 

1,380 

1,420

Nov.

1,320 

1,250 

1,190 

1,280 

1,320

1,350 

1,410 

1,380 

1,310 

1,300

1,260 

1,290 

1,400 

1,700 

1,320

1,250 

1,320 

1,350 

1,300 

1,360

1,900 

2,000 

1,510 

1,230 

1,630

1,470 

1,650 

1,320 

1,380 

1,420

Month

Octo 

Nove 

Deoe

Cal

Janu 

Febr 

Marc 

Apri 

May.

June 

July 

Augu 

Sept

Wat

endar year 1946

ember...........

er year 1946-47

Dec.

1,200 

1,490 

1,740 

2,240 

2,560

2,460 

1,940 

1,390 

1,670 

2,730

4,020 

2,720 

2,360 

2,590 

1,740

1,800 

2,140 

1,980 

2,140 

2,290

2,040 

2,400 

2,890 

2,810 

2,520

2,710 

2,920 

2,690 

2,270 

2,510 

2,810

Jan.

2,520 

2,640 

2,430 

1,770 

1,300

2,160 

1,880 

1,960 

1,940 

2,050

1,680 

1,230 

1,940 

1,910 

1,820

1,580 

1,590 

1,380 

1,260 

1,540

1,470 

1,730 

2,170 

3,040 

2,360

2,430 

2,260 

2,070 

2,210 

2,050 

2,200

82.5 2,940 84.5 S,31O 

83.0 3,610 85.0 7,410 

83.5 4,380 86.0 10,000 

84.0 5,290 86.4 11,200 

water year October 1946 to September 19(7

Feb.

2,550 

2,470 

2,710 

2,750 

2,620

2,000 

1,790 

1,690 

1,420 

2,320

2,340 

2,850 

2,980 

3,930 

3,310

3,120 

2,920 

2,460 

2,300 

1,860

1,730 

1,330 

1,280 

1,840 

1,820

1,760 

1,840 

1,890

Observed

Discharge in 

second-feet

Maximum

5,030 

2,000 

4,020

22,600

3,040 

3,930 

7,430 

6,720 

11,200 

10,800 

6,720 

4,050 

2,930

11,200

Minimum

1,150 

1,190 

1,200

1,120

1,230 

1,280 

1,320 

2,530 

1,860 

3,510 

2,760 

1,570 

1,330

.1,150

Mean

1,524 

1,406 

2,315

4,309

1,954 

2,281 

4,959 

4,845 

6,496 

9,103 

4,765 

2,702 

2,279

3,723

Mar.

1,780 

1,320 

2,020 

1,960 

2,120

2,620 

2,670 

1,720 

1,480 

2,440

3,090 

5,390 

5,630 

5,720 

6,450

7,050 

7,080 

7,130 

6,960 

6,740

7,090 

7,180 

7,430 

5,950 

5,100

5,810 

6,880 

6,840 

6,690 

6,640 

6,750

Runoff 

in 

acre-feet

93,720 

83,640 

142,400

3,120,000

120,100 

126,700 

304,900 

288,300 

399,500 

541 , 600 

293,000 

166,100 

135,600

2,696,000

Apr.

6,720 

6,680 

6,580 

6,310 

5,670

5,550 

6,020 

6,180 

5,990 

5,280

4,960 

5,230 

5,210 

6,220 

6,450

5,620 

4,180 

4,160 

3,210 

2,530

3,840 

3,540 

3,640 

3,550 

3,460

2,600 

2,560 

4,510 

4,540 

4,350

Chang

Ross., 

Dial 

Reserv 

(aereHay

4,800 

5,220 

4,940 

4,050 

5,010

5,230 

5,800 

4,870 

5,390 

5,150

3,900 

4,910 

4,400 

4,390 

4,810

4,750 

1,860 

3,280 

4,550 

5,200

5,300 

7,870 

10,200 

9,910 

10,800

11,000 

11,000 

11,000 

10,600 

10,OOO 

11,200

e in 

ts in 

and 

lo 

oirs 

feet)

+5,550 

-9,920 

+20,330

+139,550

-10,400 

+38,110 

-90,290 

+53,160 

+328,190 

-16,920 

+24,930 

-8,940 

-28,700

+304,980

June

t9,340 

10,700 

10,100 

9,820 

9,780

9,990 

10,200 

10,400 

10,800 

10,300

9,850 

9,800 

9,860 

9,500 

9,050

9,990 

10,800 

10,700 

10,300 

9,420

7,520 

6,030 

7,250 

8,200 

10,800

10,200 

6,040 

6,100 

3,510 

4,730

July

4,890 

6,720 

6,340 

5,890 

5,910

4,880 

6,080 

6,720 

5,570 

5,050

5,350 

3,630 

2,760 

3,880 

5,210

5,180 

5,157 

5,230 

4,960 

4,360

5,150 

5,270 

5,160 

5,100 

4,030

f2,790 

f2,890 

3,890 

3,520 

3,090 

3,070

Aug.

3,010 

2,740 

2,640 

4,050 

3,470

3,400 

3,460 

3,760 

2,910 

1,870

3,040 

3,180 

2,950 

2,640 

2,640

2,250 

1,630 

2,840 

2,690 

2,710

2,670 

2,600 

2,280 

1,570 

2,580

2,670 

2,760 

2,760 

2,300 

2,090 

1,600

Sept.

1,330 

2,700 

2,390 

2,500 

2,360

2,420 

1,750 

2,600 

2,730 

2,530

2,530 

2,530 

2,350 

2,120 

2,640

2,930 

2,760 

2,660 

2,580 

1,870

1,640 

2,030 

2,100 

2,090 

2,330

2,220 

1,830 

1,530 

2,090 

2,240

Adjusted for change In 

reservoir contents

Runoff 

in 

acre-fee

Discharge in 

second-feet

+ Per 

* Mevi square 

mile

99,270 1,614 1.39 

73,720 1,839 1.07 

162,700 2,649 2.28

3,260,000 4,503 3.88

109,700 1,784 1.54 

164,800 2,967 2.56 

214,600 3,490 3.01 

341,500 5,739 4.95 

727,700 11,830 10.2 

524,700 8,818 7.6O 

317,900 5,170 4.46 

157,200 2,557 2.2O 

106,900 1,796 1.55

3,001,000 4,145 3.57

Runoff

inches

1.60 

1.19 

2.63

52.68

1.77 

2.66 

3.47 

5.52 

11.76 

8.48 

5.14 

2.54 

1.73

48.49

t Sunday

f Computed on basis of partly estimated gage-height record.
SKAGIT RIVER BASIN 161

Skagit River at Marblemount, Wash.

Location.- Water-stage recorder, lat. 48°32'10", long. 121°25'50", in NW£ sec. 7, T. 35

 N., R. HE., half a mile north of Marblemount and 1 mile upstream from Csscade River.

Records available.- September 1943 to July 1944, October 1946 to September 1947.

Extremes (regulated).- 1943-44: Maximum discharge during period September to July, 16,800

 second-feet Dec. a (gage height, 5.66 feet); minimum, 620 second-feet Mar. 6 (gage 

height, 0.55 foot).

1946-47: Maximum discharge during water year, 24,600 second-feet Oct. 25 (gage 

height, 6.98 feet), from rating curve extended above 15,000 second-feet; minimum, 

1,430 second-feet Oct. 18 (gage height, 1.36 feet).

Remarks.- Records excellent except those for periods of shifting control, which are fair,

 and those for periods of no gage-height record, which are poor. All diversions returned 

to river above gage. Flow partly regulated by power plants on upper Skagit River, and 

by Ross and Diablo Reservoirs (see p. 165).

Discharge, in second-feet, 1S43-44, 1946-47 

1943

Day

Sept. 1

2

3

4

5

6

Discharge

a3,200

a3,100

a3,200

a3,000

a2,500

a2,900

Day

Sept . 7

8

9

10

11

12

Discharge

a3,000

a3,050

3,000

3,040

3,090

2,720

Day

Sept. 13

14

15

16

17

18

Discharge

2,930

3,030

3,100

3,100

3,110

3,120

Day

Sept. 19

20

21

22

23

24

Discharge

2,620

3,770

3,400

3,150

3,100

3,090

lay

Sept. 25

26

27

28

29

30

Discharge

3,060

2,810

3,070

3,060

2,960

3,030

a No gage-height record; discharge computed on basis of records for station at Newhalem.

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

IB

19

20

21

22

23

24

26

26

27

28

29

30

31

Oct.

2,960

2,980

2,610

2,870

3,190

3,080

3,080

3,120

3,100

3,130

3,420

3,410

3,430

3,270

3,630

3,680

4,500

3,850

3,580

3,510

3,480

3,490

3,410

3,830

3,910

3,190

2,820

2,850

2,930

2,730

2,110

Nov.

2,250

2,190

2,410

2,780

2,470

1,810

1,790

1,700

1,770

1,710

1,610

1,540

1,380

1,490

1,550

1,670

2,000

1,950

1,800

1,840

1,630

1,860

2.000

1,990

1,840

1,730

1,890

1,550

1,780

1,930

-

Dec.

2,030

3,900

10,800

4,860

3,320

3,170

3,020

3,030

2,510

2,550

2,260

1,760

2,250

2,200

1,640

1,640

1,500

1,550

1,590

1,830

1,800

1,780

1,830

2,830

2,320

1,520

2,030

2,340

2,350

2,380

2,300

Jan.

2,000

2,200

2,400

2,450

2,500

2,600

2,400

2,200

2,500

2,350

2,000

2,100

2,410

2,340

2,370

2,810

4,470

3,850

3,020

2,610

2,420

2,400

2,010

2,420

2,310

1,960

1,990

2,230

2,160

2,170

2,290

Feb.

2,410

2,520

2,520

2.080

2,130

2,560

2,380

2,140

1,790

1,710

1,610

1,610

1,220

1,640

2,860

3,020

2,840

2,860

3,030

2,170

1,950

1,350

1,280

1,280

1,190

1,390

2,430

2,770

2,590

-

-

Mar.

2,360

2,410

2,760

2,210

1,200

1,810

2,370

2,370

4,910

3,490

2,230

1,420

2,060

2,240

2,610

2,280

2,400

2,770

2,430

2,140

1,880

2,010

2,310

2,110

1,860

2,090

2,180

2,520

1,990

2,460

2,740

Apr.

2,810

2,430

2,770

3.620

4,340

3,920

4,040

3,790

3,510

3,490

3,740

4,840

5,340

5,040

4,980

3,890

4,250

3,960

3,410

3,560

3,370

3,450

3,320

4,300

4,260

3,940

4,100

4,450

4,510

4,530

-

May

5,030

4,750

5,620

6,250

6,390

6,700

6,400

7,400

7,000

6,500

6,200

6,000

6,600

6,600

9,000

8,200

8,000

7,600

7,800

8,000

7,600

8,000

7,300

7,000

6,200

6,000

7,500

10,000

9,420

7,970

3,080

June

9,940

10,200

9,530

8,280

9,070

8,890

8,910

9,330

9,840

10,600

12,000

11,700

9,820

8,660

7,990

8,480

8,940

8,360

10,000

9,010

8,610

7,280

7,030

7,850

7,090

7,360

6,210

5,980

6,080

6,120

-

July

6,780

4,170

4,940

4,820

4,520

4,130

4,400

-

-

-

-

-

-

-

-

_

-

-

-

-

_

-

-

-

-

_

-

-

_

-

-

Aug. Sept.

Note.- No gage-height record Jan. 

station at Newhalem.

1-11, Hay 7-28; discharge computed on basis of records for
162 SKAGIT RIVER BASIN

Discharge, In second-feet, of Skagit River at Marblemount, Wash., 1943-44, 1946-47--Contlnued

1946-47

Day

1

Z

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

28

26

27

28

29

30

31

Oct.

a2,050

32,100

a2,050

a2,150

al.800

al,600

al.800

al,850

1,810

1,770

1,770

1,620

1,550

1,740

1,760

1,640

1-,580

1,560

1,560

2,790

2,440

2,600

2,600

8,720

12,900

4,230

2,S10

2,600

2,460

2,290

2,260

Nov.

2,170

1.990

1,510

2,010

2,100

2,170

2.150

2,060

1,930

1,980

1.820

1,850

1,910

1,990

2,030

1.770

1,830

1,850

1,740

1,800

2,230

2,700

2,700

2,180

2,700

2,800

3,600

3,130

2,910

2,700

Dec.

2,500

3,700

4,710

5,640

5,460

4,800

4,200

3,700

3,590

7,110

11,000

6,420

5,040

4,770

3 , 980

3,480

3,620

3,350

3,320

3,450

3,340

3,770

4,010

3,940

3.710

3,750

3.960

3,670

3,290

3,430

3,560

Jan.

3,290

3,460

3,220

2,650

2,080

2.800

2,480

2,610

2,610

3.020

2,600

2,160

2,610

2,590

2,670

2.320

2,300

2,120

2,020

2,210

2,290

2,920

4,600

8.250

5,890

5,540

4,700

3,670

3,530

3,560

3.3SO

Feb.

3,760

4,030

3,560

3,560

3,810

3,300

2.S20

2,710

2.490

3,190

3.580

6.010

6.970

9,300

7,620

6,150

5,490

4,700

4,270

3.600

3,340

2,860

2.7SO

3,200

3,280

3,090

3,040

3,030

_

-

Mar.

2,850

2,420

3,100

3,060

3,080

3,510

3,650

2,710

2,380

3,300

3,870

6,310

6,460

6,800

7,660

8.S70

9,320

9,440

9,220

8,990

9,280

9,160

9,080

7,480

6,410

6,890

7,810

7,850

7,790

37,900

a8,200

Apr.

38,100

37,500

a7,600

37,300

a7,000

36,800

37,000

37,200

7,030

6,440

6,110

6,270

6,550

8,120

8,690

8,120

6,760

6,760

6,430

5,240

5,550

5,300

5,280

5,260

5,290

4,970

5,480

7,140

7,290

6,510

-

Hay

7,010

8,590

7.700

6,640

7.400

8,440

9,920

8.600

8,700

7,540

6,380

7,210

6,540

6,000

6,400

6,570

4,170

4,330

6,530

6,930

7,400

9,600

13,000

13,500

15,100

16,200

15,600

15,100

14,000

13,000

14,000

June

11,800

13,500

13,000

12,200

IB, 200

12,500

13,000

13,500

14,600

13,000

12,000

11,800

12,000

11,300

10,600

13,500

14,000

13,500

12,500

11,300

9,500

7,520

9,300

10,200

13.000

14,100

11,600

8,520

5.450

6,390

-

July

6,490

8,600

8.C20

7,310

7,630

6,410

7,500

8,C60

7,150

6,480

6,S40

6,620

5,020

5,560

7,?00

6,7SO

6,700

e.eeo

6,560

5,940

6,340

6.460

6, £50

6,130

5,410

3, £40

3,650

5,E50

4,740

4,260

4,210

Aug.

4,170

3,960

3,670

5,130

4,400

4,290

4,360

4,580

3,920

2,810

3,410

3,500

3,720

3,400

3,410

3,060

2,430

3,260

3,330

3,260

3,220

3,120

2,830

2,340

2,960

3,270

3,320

3,370

2.&SO

2,550

2,450

Sept.

2,010

2,980

3.120

3,120

3,030

2,890

2,680

3,270

4,740

3,740

3,400

3,250

3,090

2,790

3,140

3,540

3,310

3,200

3,080

2,510

2,170

2,440

2,640

2,600

2,780

2,690

2,430

2,100

2,500

2,750

-

3 No gsge-height record; dischsrge computed on bssls of recorded range In stagf and records for 

station at Newhalem.

Note.- Shifting-control method used Aug. 1 to Sept. 30.

Monthly dischsrge, In second-feet, 1943-44, 1946-47

Month

September 1543. ............................

Water year .......................

December. ...................................

Calendar year .......................

April .......................................

May.........................................

September. ..................................

The period. ........ .......................

November

December. ...................................

Calendar year .......................

April.......................................

May.........................................

July........................................

September. ..................................

Water year 1946-47 .......................

Secondfoot-days

91,310

-

80,890

.

117,960

-

_

134,270

-

116,450

199,490

288,100

347,380

194,980

107,250

88,030

1,921,030

Maximum

3,770

-

10 , 800

.

12,000

-

_

11,000

_

9,300

8,690

16,200

14,600

8,600

5,130

4,740

16,200

Minimum

2,500

-

1,500

_

2,430

5,980

-

.

1,550

1,740

2,500

-

2,020

2,490

2,380

4,970

4,170

5,450

3,850

2,340

2,010

1,550

Mean

3,044

-

2,609 j

.

3,532

8,639

-

.

4,331

-

3,254

4,159

6,28S

6,650

9,294

11,580

6,2£0

3,460

2,934

5,263

Runoff in 

acre-feet

181,100

-

160,400

_

234,000

514,000

-

2,142,000

163,800

266,300

-

200,100

231,000

395,700

571,400

689,000

386,700

174,600

3,810,000
SKAGIT RIVER BASIN 163

Skagit River near Concrete, Wash.

Location.- Water-stage recorder, lat. 48°32', long. 121°46', in sec. 16, T. 35 N., R. 8 

K., at dalles 2 miles downstream from Baker River and 2| miles southwest of Concrete. 

Datum of gage is 130.0 feet above mean sea level, datum of 1929.

Drainage area.- 2,700 square miles, of which 390 square miles is in Canada.

Records available.- September 1924 to September 1947.

Average discharge.- 23 years, 13,890 second-feet (unadjusted).

Extremes.- Maximum discharge during year, 82,200 second-feet Oct. 25 (gage height, 31.14 

 feet); minimum, 3,380 second-feet (regulated) Oct. 18 (gage height, 13.13 feet); minimum daily, 3,740 second-feet (regulated) Oct. 6, 13, 19.

1924-47: Maximum discharge, 147,000 second-feet Feb. 27, 1932 (gage height, 40.0 

feet, present datum); minimum, probably less than 2,160 second-feet during period 

Oct. 1-24, 1925, when recorder was not operating and gates in Baker Rive" Dam were 

first closed; minimum daily recorded, 2,610 second-feet (regulated) Nov. 14, 1936. 

Maximum stage known, 69.3 feet, present datum, at site 200 feet upstream, from 

floodmarks (discharge, about 500,000 second-feet), occurred about 1815. Records of 

other floods, at site 200 feet upstream, prior to establishment of station, are given 

in Water-Supply Paper 612.

Remarks.- Records excellent. All diversions returned to river above gage. Flow partly 

regulated by power plants on Baker and upper Skagit Rivers, and by Ross, Diablo, and 

Lake Shannon Reservoirs (see pp. 159, 165).

Rating table, water year 1946-47 (gage height, in feet,

and discharge, in second-feet)

13.4

13.7

14.0

14.5

15.0

15.5

3,740

4,170

4,640

5,540

6,550

7,650

16.0

16.5

17.0

17.5

18.0

19.0

8,810 

10.OOO 

11,300 

12,700 

14,200 

17,500

20.0

21.0

23.0

25.0

27.0

28.0

21,200

25,300

34,300

44,100

55,700

62,000

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

Z 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

4,990 

4,810 

4,810 

4,480 

4,170

3,740 

4,320 

4,640 

4,480 

4,480

4,640 

3,880 

3,740 

4,480 

4,480

4,320 

4,020 

4,170 

3,740 

5,150

8,810 

6,980 

8,110 

19,400 

62,000

22,200 

13,300 

10,300 

9,050 

8,570 

8,110

Nov.

8,570 

7,420 

6,760 

6,980 

6,980

7,420 

7,420 

7,420 

6,550 

6,340

ff, 340 

6,130 

5,930 

6,130 

6,130

5,350 

5,540 

7,200 

6,550 

5,930

5,730 

7,200 

10,000 

8,810 

9,530

13,900 

15,800 

16,100 

13,600 

11,600

Dec.

10,500 

14,800 

20,500 

24,100 

22,000

17,500 

15,500 

16,100 

14,800 

27,200

49,600 

28,800 

22,800 

21,600 

18,600

14,800 

13,300 

11,900 

11,300 

11,100

10,800 

11,100 

11,300 

10,500 

10,000

10,300 

10,300 

9,780 

8,570 

8,810 

9,050

Jan.

8,110 

8,570 

7,880 

6,980 

6,340

6,980 

6,980 

6,760 

6,760 

8,020

8,570 

7,200 

7,200 

7,200 

6,980

6,760 

6,340 

6,340 

6,340 

6,340

6,980 

9,110 

19,400 

36,200 

28,800

25 , 300 

17,900 

14,500 

13,000 

11,600 

10 , 800

Feb.

10,800 

15,500 

12,700 

11,600 

10,500

10,000 

9,290 

8,570 

8,340 

8,810

9,780 

18,600 

30,100 

39,100 

31,100

22,000 

18,900 

15,500 

13,900 

12,700

11,900 

10,800 

10,300 

10,500 

10,500

10,000 

9,780 

9,290

Month

Goto 

Nove 

Dece

Ca

janu 

Febr 

Marc 

Aprl 

May

June 

July 

Augu 

Sept

Ha

lendar year 1946

^

ter year 1946-47 .......................

Mar.

8,810 

7,880 

8,570 

9,050 

8,570

8,810 

9,050 

7,880 

7,200 

8,340

10,500 

12,200 

12,400 

12,400 

13,300

16,100 

18,900 

20,800 

21,200 

20,500

20,500 

20,500 

18,200 

16,800 

14,800

13,900 

14,500 

14,500 

14,200 

14,800 

16,500

Apr.

17,100 

16,100 

15,500 

14,500 

13,900

13,300 

13,300 

13,300 

13,600 

13,600

13,000 

12,400 

12 , 700 

15,500 

19,700

20,800 

20,100 

21,200 

24,100 

21,600

16,800 

16,100 

14,500 

14,500 

13,900

15,500 

19,300 

22,000 

23,200 

19,300

Seeondfoot-days

264,370 

245,360 

497,310

5,720,560

336,240 

400,860 

421,660 

500 , 400 

765,100 

767,000 

486,490 

252,990 

206,240

5,144,020

May

19,300 

24,900 

24,500 

21,600 

20,500

24,100 

29,700 

30,600 

28,400 

23,700

2O, 800 

21,200 

20,100 

17,900 

16,800

17,100 

14,800 

12,700 

16,800 

18,600

20,100 

22,800 

27,100 

30,100 

34,300

36,700 

38,600 

37,600 

32,900 

31,500 

29,300

Maximum

62,000 

16,100 

49,600

62,000

36,200 

39,100 

21,200 

24,100 

38,600 

34,800 

21,200 

11,600 

11,700

62,000

June

25,30O 

27,500 

28,400 

26,200 

24,900

26,600 

27,100 

29,700 

34,800 

30,600

25 , 800 

24,500 

24,500 

24,100 

22,000

25,800 

33,400 

28,800 

26,600 

23,200

20-, 800 

17,900 

21,200 

23,700 

27,900

29,300 

31,500 

22,000 

16,800 

16,100

July

16,500 

20,100 

19,700 

17,100 

17,900

17,100 

17,900 

17,500 

16,800 

15,800

16,100 

21,200 

17,500 

16,100 

18,900

17,900 

16,800 

17,500 

17,100 

14,800

13,900 

13,600 

14,200 

13,600 

12,400

10,300 

9,290 

13,400 

13,600 

11,100 

1O,8OO

Minimum

3,740 

5,350 

8,570

3,740

6,340 

8,340 

7,200 

12,400 

12,700 

16,100 

9,290 

S,540 

4,480

3,740

Aug.

10,800 

10,800 

10,800 

11,600 

10,800

10,300 

9,780 

10,000 

9,290 

7,650

7,650 

8,570 

8,570 

8,340 

8,340

7,650 

6,760 

7,420 

7,650 

6,980

6,760 

6,550 

6,130 

5,540 

5,930

6,980 

6,980 

7,420 

6,980 

7,420 

6,550

Mean

8,528 

8,179 

16,040

15,670

10,850 

14,320 

13,600 

16,680 

24,680 

25,570 

15,690 

8,161 

6,875

14,090

Sept.

5,350

6,710 

7,420 

6,760 

7,650

6,980 

6,760 

7,650 

11,700 

11,400

9j050 

7,88O 

7,200 

5,930 

6,550

7,420 

7,420 

6,760 

6,550 

5,540

4,480 

5,750 

6,130 

6,130 

6,550

6,340 

5,730 

4,810 

5,730 

5,930

Runoff In 

ae re-feet

524,400 

486,700 

986,400

11,350,000

666,900 

795,100 

836,400 

992,500 

1,518,000 

1,521,000 

964,900 

501,800 

409,100

10,200,000

Peak discharge.- Oct. 25 (8 a.m.) 82,200 sec.-ft.; Dec. 11 (8:3O a.m.) 59,400 sec.-ft.; Jan. 24 

(10 a.m.) 41,600 sec.-ft.; Feb. 14 (6 p.m.) 44,100 sec.-ft.; June 27 (2:15 a.m.) 38,600 sec.-ft.
164 SKAGIT RIVER BASIN

Skagit River near Mount Vernon, Wash.

Location.- Water-stage recorder, lat. 48°25'40", long. 122°20'00", in SE^ sec. 7, T. 34 

N., K. 3 E., on drawrest of, and 150 feet downstream from bridge on U. S. Highway 99 

and 1 mile north of Mount Vernon. Datum of gage is at mean sea level, datum of 1929.

Drainage area.- 3,060 square miles.

Kecords available.- November 1940 to September 1947.

Extremes.- Maximum discharge during year, 64,900 second-feet Oct. 25 (elevation, 27.8 

feet); minimum, 3,720 second-feet (regulated) Oct. 18 (elevation, 8.84 feet).

1940-47: Maximum discharge, 94,300 second-feet Oct. 26, 1945 (elevation, 30.25 

feet); minimum, 2,740 second-feet Oct. 26, 1942 (elevation, 7.37 feet).

Maximum stage known, 37 feet in 1906, from Great Northern Railway high-water profile.

Remarks.- Records good except those for periods of doubtful or no gage-height record, and 

tnose below 4,000 second-feet, which are fair. Plow partly regulated by power plants 

on Baker and upper Skagit Rivers, and by Ross, Diablo, and Lake Shannon Reservoirs 

(see following page).

Rating tables, water year 1946-47, except period of doubtful gage-hel?ht record 

(gage height, in feet, and discharge, in second-feet)

Oct. 1-25, July 28 to Sept. 30 Oct. 26 tc July 27

9.0

9.5

10.0

11.0

12.0

3,980

4,680

5,480

7,280

9,160

13.0

14.0

16.0

18.0

20.0

11,400

13,700

19,000

24,700

31,200

22.0

24.0

25.2

38,900

46,900

52,300

4,880

5,400

6,100

6,850

8,500

12.0

13.0

14.0

16.0

18.0

10,300

12,300

14,400

19,200

24,700

Note.- Same as preceding table 

above 18.0 feet.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2

3

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

50 

31

Oct.

5,000 

5,000 

4,840 

4,840 

4,680

4,260 

4,120 

4,840 

4,840 

4,540

4,680 

4,540 

3,980 

3,980 

4,540

4,540 

4,400 

4,120 

4,120 

4,840

8,760 

7,280 

8,000 

11,200 

52,300

38,900 

17,600 

12,900 

10,700 

9,940 

9,400

Nov.

9,940 

9,040 

8,330 

8,160 

8,160

8,160 

8,330 

8,160 

7,820 

7,650

7,490 

7,330 

7,010 

6,850

 7,170

6,550 

6,550 

7,650 

7,650 

7,010

6,500 

7,330 

11,500 

11,100 

10,500

14,600 

15,700 

18 , 900 

15,700 

13 , 500

Dec.

11,900 

13,700 

19,400 

26,200 

26,800

20,200 

18,100 

18,900 

16,700 

25,200

51,200 

43,200 

29,100 

24,700 

22 , 400

Iff, 100 

15,500 

13,700 

12,900 

12,500

12,300 

12,900 

12,700 

12,100 

11,300

11,100 

11,300 

10,900 

10,100 

9,400 

9,760

Jan.

9,580 

9,040 

9,040 

8,500 

7,820

7,820 

8,160 

7,820 

7,820 

8,860

10,500 

9,220 

8,500 

a8,400 

a8,300

8,160 

7,820 

7,820 

8,160 

7,820

8,500 

10,500 

18,600 

38,000 

37,300

33,000 

22,400 

18,100 

15,100 

13,700 

12,300

Feb.

11,700 

17,600 

16,000 

13,700 

12,500

11,900 

11,100 

10,500 

9,940 

9,760

10,700 

15,800 

29,800 

43,300 

42,900

27,700 

21,300 

18,100 

15,700 

14,400

13,500

12,900 

11,900 

11,900 

12,100

11,500 

11,100 

10,700

 Month

Oo to 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl 

Mav

June 

July 

Augu 

Sept

«a

lendar year 1946 

ai*y

ter year 1946-47 .......................

Mar.

10,100 

9,580 

9,760 

10,700 

10,100

9,760 

9,940 

9,760 

8,860 

9,400

12,700 

13,300 

13,700 

13,700 

14,200

16,000 

18,100 

20,500 

21,300 

20,500

20,500 

21,300 

19,400 

18,100 

16,200

14,800 

14,600 

14,800 

14,800 

15,300 

16,400

Apr.

18,100 

17,600 

16,400 

15,500 

alS.OOO

a!4,500 

a!4,000 

a!4,100 

a!4,600 

15,100

14,600 

13,700 

13,500 

15,100 

18,100

21,300 

20,000 

21,800 

26,200 

27,700

19,200 

18,600 

16,000 

15,700 

15,300

15,500 

18,100 

20,500 

23,800 

21,800

Secondfoot -days

277,680 

280,540 

564,260

6,123,530

396,660 

460,000 

448,160 

531,600 

766,300 

722,200 

489,300 

257,900 

211,700

5,466,300

May

19,400 

22,700 

26,200 

23,000 

20,700

22,700 

27,100 

30,800 

29,800 

26,200

22,100 

20,500 

20,700 

19,200 

17,400

17,200 

16,700 

13,700 

15,700 

17,900

19,200 

21,000 

25,000 

28,000 

32,600

35,700 

38,500 

39,300 

34,900 

32 , 200 

30,200

Maximum

52,300 

18,900 

51,200

52,300

38,000 

43,300 

21,300 

27,700 

39,300 

36,500 

20,200 

11,400 

14,200

52,300

June

26,500 

25,300 

28 , 000 

26,500 

24,700

25,600 

26,500 

28,000 

33,300 

34,100

27 , 400 

25,000 

23,800 

24,100 

22,400

22,400 

31,900 

30,800 

27,400 

24,400

21,600 

18,900 

19,700 

21,800 

25,300

27,100 

36,500 

26,500 

20,203 

16,500

July

16,500 

19,0-50 

19,900 

17,900 

17,400

17,600 

17,400 

17,100 

16,800 

16,000

15,800 

19,000 

20,200 

16,300 

17,100

19,300 

16,800 

16,800 

17,100 

15,800

14,500 

14,700 

14,200 

13,700 

12,800

11,100 

9,600 

10,300 

15,200 

11,800 

11,600

Minimum

3,980 

6,550 

9,400

3,980

7,820 

9,760 

8,860 

13,500 

13,700 

16,500 

9,600 

5,840 

5,000

3,980

Aug.

11,100 

10,700 

10,900 

10,700 

11,400

10,300 

9,820 

9,600 

9,600 

8,360

7,460 

8,180 

8,360 

8,360 

8,180

8,180 

7,640 

8,560 

7,820 

7,460

6,920 

6,920 

6,560 

6,200 

5,840

6,560 

6,920 

7,100 

7,460 

7,2SO 

7,460

Mean

8,957 

9,351 

18,200

16,780

12,800 

16,430 

14,460 

17,720 

24,720 

25,740 

15,780 

8,319 

7,390

14,980

sept.

6,560 

6,020 

7,280 

7,100 

7,460

7,280 

7,640 

7,820 

10,900 

14,200

10,300 

8,560 

8,000 

7,280 

6,740

7,460 

8,180 

7,460 

7,100 

d6,500

dS.OOO 

d6jOOO 

6,380 

6,740 

6,740

6,740 

6,560 

6,020 

5,480 

6,200

Runoff in 

acre-feet

550,800 

556,400 

1,119,000

12,140,000

786,800 

912,400 

888,900 

1,054,000 

1,520,000 

1,532,000 

970,500 

511,500 

439,700

10,840,000

Peak discharge.- Oct. 25 (7 p.m.) 64,900 see.-ft.; Dec. 11 (5:30 p.m.) 58,400 SB".-ft.; Feb. 15 

(3 a.m.) 48,7oD sec.-ft.

a No gage-height record; discharge computed on basis of records for station near Concrete, 

d Doubtful gage-height record; discharge computed on basis of records for station near Concrete.
SKAGIT RIVER BASIN 

Reservoirs in Skagit River Basin, Wash.

165

Ross Reservoir.- See page 159.

Dlablo Reservoir.- Water-stage recorder, lat. 48°43', long. 121°08 I , in Digblo Dam on 

SKagit Kiver, in SE^- sec. 5, T. 37 N., R. 13 E. (unsurveyed), 1 mile downstream from 

Thunder Creek and 6 miles northeast of Newhalem. Datum of gage is at mean sea level, 

subject to adjustment to datum of 1929. Records available, October 192? to September 

1947. October 1929 to September 1938, change in reservoir contents published with 

tables of monthly discharge for Skagit River at Newhalem. Maximum contents during 

year, 90,140 acre-feet May 7 (elevation, 1,206.0 feet); minimum, 77,620 acre-feet 

Feb. 19 (elevation, 1,191.5 feet). Maximum contents during period 1929-47, 90,600 

acre-feet July 14, 1933 (elevation, 1,206.5 feet).

Reservoir is formed by concrete dam, completed in 1930. Capacity, 76,220 acre-feet 

between elevations 1,040 feet (bottom of outlet pipes) and 1,205 feet (top of taintor 

gates). Dead storage, 13,000 acre-feet. Crest of spillway is at elevation 1,187 feet. 

Water is used by city of Seattle for power development at Diablo and Newhalem power 

plants. Gage-height record collected in cooperation with city of Seattle. Figures 

given herein represent total contents.

Lake Shannon.- Staff gage, lat. 48°33', long. 121°44', in sec. 2, T. 35 N., R. 8 E., on 

Baker River, half a mile north of Concrete and 1 mile upstream from mouth of Baker 

River. Datum of gage is at mean sea level, subject to adjustment to datum of 1929. 

Records available, November 1925 (revised) to September 1947.

Reservoir is formed by concrete dam, completed in June 1927. Capacity, 132,500 

acre-feet between elevations 360 feet (lowest elevation for capacity operation) and 

435 feet (spillway crest). Dead storage unknown. Water is used by Puget Sound Power 

& Light Co. for power development. Gage-height records furnished by Pug<?t Sound Power 

& Light Co. Figures given herein represent contents above elevation 340 feet (center 

line of outlet tunnel).

Monthly elevation and contents, water year October 1946 to September 19*7

Date

Oct. 31................

Calendar year 1946...

Sept. 30. ...............

Water year 1946-47...

Dlablo Reservoir

Elevation 

(feet)t

1,202.4 

1,201.5 

1,202.6 

1,201.2

-

1,201.8 

1,201.8 

1,203.1 

1,201.5 

1,203.4 

1,203.2 

1,203.4 

1,203.0 

1,203.5

-

Contents 

(acrefeet) t

86,880 

86,080 

87,050 

85,820

-

86,340 

86,340 

87,500 

86,080 

87,770 

87,590 

87,770 

87,410 

87,860

-

Change In 

contents 

during month 

(acre -feet)

-800 

+970 

-1,230

-350

+520 

0 

+1,160 

-1,420 

+1,690 

-180 

+180 

-360 

+450

+980

Lake Shannon

Elevation 

(feet)t

4J1.46 

434.20 

435.85 

434.58

-

435.12 

434.04 

435.26 

435.00 

433.05 

435.53 

435.32 

434.64 

431.21

-

Contents 

(acrefeet)t

148,340 

154,440 

158,160 

155,300

-

156,510 

154,080 

156,830 

156,240 

151,860 

157,440 

156,960 

155,430 

147,780

-

Change In 

contents 

during month 

(acre-feet)

+6 , 100 

+3,720 

-2,860

+1,440

+1,210 

-2,430 

+2,750 

-590 

-4,380 

+5,580 

-480 

-1,530 

-7,650

-560

t Elevation and contents at 12 p.m.
166 SKAGIT RIVER EASIN

Lightning Creek near Newhalem, Wash.

Location.- Water-stage recorder, lat. 48°53'30", long. 120°58'50", in SEv sec. 4, T. 39 

NT, K. 14 E. (unsurveyed), a quarter of a mile downstream from Three Fools Creek, 

3 miles upstream from mouth, and 19 miles northeast of Newhalem.

Drainage area.- 129 square miles.

Records available.- October 1943 to September 1947.

Extremes.- Maximum discharge during year, 2,240 second-feet May 8 (gage height, 5.20

reet}; minimum not determined, probably occurred during period of no gage-height record.

1943-47: Maximum discharge, 2,500 second-feet May 30, 1945 (gage height, 5.20 

feet); minimum recorded, 49 second-feet Mar. 7, 8, 1944 (gage height, 0.81 foot).

Remarks.- Records good except those for period of no gage-height record, which are poor. 

Ho diversion or regulation.

Rating tables, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

Oct. 1 to Hay 26 May 27 to Sept. 30

0.8 

1.0 

1.2 

1.4 

1.6

130

163

1.8 

2.0 

2.3

2.6 

3.0

204

252

337

436

607

3.5 

4.0 

4.5

5.1

895

1,230

1,620

2,150

1.1 

1.3 

1.5 

1.7

111

143

178

2.0 

2.3 

2.6 

3.0

239

317

418

575

3.5 

4.0 

4.5 

5.0

835

1,160

1,560

2,020

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

93

88

86

86

87

84

86

86

84

83

81

80

78

78

76

75

74

71

72

96

99

88

84

102

222

148

124

111

110

100

99

Nov.

99

92

96

94

96

98

96

90

87

86

83

79

80

79

80

72

74

70

72

72

72

74

80

72

74

72

93

86

79

75

-

Dec.

72

88

102

119

117

105

100

102

99

176

362

225

171

146

132

114

104

95

90

80

85

100

90

85

80

80

75

70

70

65

60

Jan.

60

55

55

55

50

50

50

50

55

70

75

75

70

60

70

70

65

65

60

60

70

80

230

400

300

250

210

180

160

140

125

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March ............... .........

April .........................

May ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

130

154

130

119

114

112

111

110

105

102

106

146

209

378

394

331

282

252

230

209

189

180

184

197

186

182

172

160

_

.

-

Seoondfoot-days

2,931

2,472

3,459

133,850

3 365

5!l74

8,795

15,382

37 , 502

24,146

'rT!j

2*944

121,445

Mar.

158

160

156

148

141

135

135

130

127

127

125

127

130

160

232

340

447

511

537

550

559

507

436

388

343

310

293

 296

328

368

391

Maximum

222

99

362

1,970

400

394

559

1,090

1*160

517

224

116

2,150

Apr.

384

368

340

310

285

260

250

247

247

250

234

240

304

429

573

607

715

715

710

649

569

541

515

515

559

666

960

1,090

1,020

830

-

May

715

1,020

1,090

1,020

1,020

1,230

1,700

2,150

1,660

1,340

1,230

1,230

1,160

992

895

830

770

710

715

800

895

960

1,090

1,340

1,620

1,740

1,880

1,650

1,430

1,390

1,230

Minimum

71

70

60

60

50

102

125

234

710

455

211

113

82

50

June

1,120

1,120

1,060

1,020

988

1,020

1,020

1,090

1,160

1,020

895

835

835

775

720

748

835

805

695

620

575

580

635

670

695

602

554

517

482

455

-

Mean

94.5

82.4

112

367

109

185

284

513

1,210

805

340

152 

98.1

333

July

495

517

493

4^5

463

432

448

411

336

372

338

375

3<52

355

396

3<-2

317

314

314

235

279

293

2*9

237

232

226

215

2S6

228

213

211

Per 

square 

mile

0.733

.639

.868

2 .84

.845

1 43

2i20

3.98

9.38

6.24

2 . 64

1 = 13 

.760

2.58

Aug.

224 't

I

Z

24

11

01

197

188

]

]

3

78

73

67

160

157

]

3

3

55

52

48

145

143

1

1

1

43

40

37

132

129

1

1

1

30

27

27

124

121

1

1

1

1

17

14

13

25

124

Sept.

116

111

110

110

108

106

108

108

113

111

106

102

98

95

93

105

104

95

93

92

90

89

88

88

86

86

85

83

83

82

-

Runoff

Inches

0.84

.71

1.00

38 . 60

.97

1.49

2 54

4.43

10.81

6 . 96

3 04

1 '.85 36

35.00

Acre feet

5,810

4,900

6,860

6 , 670

10,260 

17,440

30,510

74,380

47 ,890

20,920

9,370 

5,840

240,800

Note.- No gage-height record Dec. 18 to Feb. 1; discharge computed on basis of veather records and 

ecords for nearby streams.
SKAGIT RIVER BASIN 167 

Beaver Creek near Newhalem, Wash.

Location - Water-stage recorder, lat. 48°47 I , long. 121°05', in sec. 14, T. 38 N., R. 13 

K., three-quarters of a mile upstream from Ross Reservoir, 3§ miles north of Ross Dam 

on Skagit River, and 10-j miles northeast of Newhalem.

Drainage area.- 63 square miles.

Records available.- March 1940 to September 1947.

Extremes.- Maximum discharge during year, 1,760 second-feet Oct. 25 (gage height, 5.33 

reet; minimum, 65 second-feet Jan. 14 (gage height, 0.97 foot).

1940-47: Maximum discharge, 3,300 second-feet Dec. 2, 1941 (gage height, 7.76 feet), 

from rating curve extended above 1,100 second-feet; minimum, that of Jan. 14, 1947.

Remarks.- Records good. No diversion or regulation.

Rating table, water year 1946-4-7 (gage height, in feet, 

and discharge, in second-feet)

1.1 7b 1.9 196 3.1 546 

1.3 98 2.2 262 3.5 700 

1.5 126 2.5 345 4.0 935 

1.7 159 2.8 441 4.8 1,390

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

175 

145 

132 

123 

122

114 

114 

114 

108 

103

98 

96 

93 

94 

91

87 

85 

83 

84 

130

174 

179 

183 

392 

1,160

458 

310 

250 

220 

198 

186

Nov.

179 

159 

150 

147 

147

150 

152 

144 

136 

131

122 

116 

111 

107 

103

99

102 

101 

96 

88

86 

84 

99 

99

103

111 

148 

170 

166 

150

Dec.

137 

178 

300 

492 

492

392

348 

357 

316 

556

1,060 

680 

510 

411 

342

288 

252 

231 

212 

198

210 

185 

175 

166 

159

154 

149 

137 

131 

134 

124

Jan.

120 

103 

108 

107 

106

101 

94 

92 

91 

104

106 

101 

96 

79 

92

94

91 

88 

87 

84

87 

97 

149 

500 

475

402 

310 

260 

229 

210 

188

Feb.

185 

208 

183 

170 

163

159 

152 

145 

140 

136

150 

365 

602 

910 

810

621 

492 

421 

367 

322

288 

265 

255 

252 

245

234 

223

210

u~ *». SecondMonth foot-days

Ootc 

Move 

Dece

Ca

Janv 

Febi 

Hare 

Apri 

May 

June 

July 

Augu 

Sept

Us

mber ......................

5,901 

3,756 

9,476

lendar year 1946 ......... 161,829

ary

h

ember .....................

4,851 

8,673 

8,614 

14,945 

27,861 

21,773 

17,609 

9,120 

6,798

tsr year 1946-47 .......... 139,377

Mar.

200 

196 

194 

183

175

168 

163 

156 

152 

159

163 

157 

154 

172 

214

280 

367 

438 

458 

475

492

475 

434 

382 

342

310 

291 

283 

294 

330 

357

Maximum

1,160 

179 

1,060

1,610

500 

910 

492 

910 

1,360 

985 

1,010 

1 475 

428

1,360

Apr.

382 

382 

351 

319 

299

278 

262 

260 

262 

285

278 

278 

328 

475 

602

621 

680 

660 

700 

680

583 

546 

492 

492 

528

602 

785 

885 

910 

740

Hay

680 

1,060 

1,010 

835 

785

910 

1,240 

1,360 

1,180 

935

835 

885 

810 

680 

602

583 

528 

492 

510 

621

680 

700 

785 

985 

1,180

1,270 

1,360 

1,240 

1,120 

1,040 

960

Minimum

83 

84 

124

83

79 

136 

152 

260 

492 

475 

322 

200 

126

79

June

860 

910 

835 

740 

720

785 

762 

835 

935 

810

680 

660 

660 

602 

546

835 

985 

835 

720 

564

510 

564 

660 

762 

785

860 

785 

583 

510 

475

Hsan

190 

125 

306

443

'156 

310 

278 

498 

899 

726 

568 

294 

227

382

Peak discharge.- Oct. 25 (3 to 4 a.m.) 1,760 see. -ft.: Dec. 11 (6 to 7

903681 O - 50 - 1-2

July

546 

640 

602 

528 

583

621 

546 

510 

510 

528

564 

1,010 

835 

720 

935

680 

621 

660 

680 

602

564 

528 

492 

428 

382

348 

322 

482 

402 

354 

386

Per 

square 

mile

3.02 

1.98 

4.86

7.03

2.48 

4.92 

4.41 

7.90 

14.3 

11.5 

9.02 

4.67 

3.60

6.06

a.m.) 1,

Aug.

475 

475 

458 

458 

389

339 

336 

325 

296

270

250 

250 

267 

296 

319

308 

278 

260 

238 

206

200 

227 

208 

216 

223

231 

236 

245 

250 

316 

275

Sept.

255 

250 

245 

314 

285

216 

278 

250 

428 

267

225 

229 

229 

192 

173

206 

172 

147 

140 

126

149 

204 

234 

251 

231

231 

225 

2"27 

223 

216

Runoff

Inches

3.48 

2.23 

5.53

95.51

2.83 

5.12 

5. 03 

8.8? 

16.45 

12.85 

10.33 

5.3." 

4.01

82.25

210 sec

Ao re-feet

11,700 

7,450 

18,800

321,000

9,620 

17,200 

17,090 

29,640 

55,260 

43,190 

34,930 

18,090 

13,480

276,400

-ft.
168 SKAGIT RIVER BASIN

Ruby Creek near Newhalem, Wash.

Location.- Water-stage recorder, lat. 48°43', long. 121°00', in SE£ se-;. 5, T. 37 N., R. 

14 E., 2 miles upstream from mouth and 12 miles northeast of Newhalem.

Drainage area.- 203 square miles.

Records available.- June 1919 to March 1920, April 1930 to September 1947.

Average discharge.- 17 years (1930-47), 615 second-feet.

Extremes.- Maximum discharge during year, 4,260 second-feet May 8 (gags height, 7.50 

feet) ; minimum, 26 second-feet Feb. 1 (gage height, 1.99 feet, result of snow slides 

upstream).

1919-20, 1930-47: Maximum discharge, 6,730 second-feet Feb. 27, 1932 (gage height, 

14.15 feet, site and datum then in use); minimum, that of Feb. 1, 1947.

Remarks.- Records good except those for periods of ice effect, which a-e poor. No 

diversion or regulation.

Rating table, water year 1946-47, except periods of ice effect 

(gage height, in feet, and discharge, in second-feet)

3.0 93 4.0 323 6.0 1,810 

3.2 123 4.3 436 6.5 2,520 

3.4 161 4.6 575 7.0 3,320 

3.6 207 5.0 830 7.5 4,260 

3.8 261 5.5 1,260

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

130 

121 

118 

118 

117

113 

117 

117 

113 

110

107 

107 

107 

110 

106

101 

101 

99

100

133

141 

134 

128 

286 

982

420 

294 

244 

223 

200 

200

Nov.

195 

179 

172 

185 

188

183 

174 

165 

161 

163

143 

145

147 

143 

145

135 

130 

125 

120 

110

105 

100 

110 

110 

115

130 

145 

159 

151 

143

Dec.

139 

153 

170 

195 

202

190 

183 

 174 

168 

302

626 

388- 

304 

267 

233

197 

185 

170 

160 

155

165 

172 

163 

159 

145

145 

130 

120 

113 

115 

120

Jan.

105 

105 

 105 

105 

100

100 

100 

97 

95 

115

115 

110 

105 

95

loo 

100

98 

95 

95 

95

110 

136 

181 

356 

334

307 

255 

228 

190 

180 

170

Feb.

 175 

180 

170 

165 

160

159 

157 

153 

151 

149

153 

193 

250 

369 

408

366 

334 

304 

285 

270

255 

241 

261 

270 

264

 255 

247 

236

Month Second- 

"ontn foot-days

Ootc 

Move 

Deoe

Ca

Jama 

Febi 

Hare 

Apr! 

May 

June 

Julji 

Augu 

Sept

Wa

mber ......................

5,497 

4,376 

6,108

lendar year 1946 ......... 252,211

&ry .

h

i ,

c

ember .....................

4,482 

6,580 

3,650 

'8,272 

3,060 

>1,064 

'5,102 

9,651 

5,218

ter year 1946-47 .......... 233,060

liar.

230 

230 

228 

217 

207

202 

190 

195 

190 

190

193 

190 

197 

247 

348

479 

630 

746 

802 

846

878 

802 

711 

619 

560

516 

484 

493 

540 

630 

660

Maximum

982 

195 

626

3,870

356 

408 

878 

1,940 

3,960 

2,370 

1,220 

555 

233

3,960

Apr.

648 

614 

580 

540 

497

466 

445 

436 

432 

428

412 

428 

560 

846 

1,120

1,220 

1,360 

1,310 

1,310 

1,220

1,060 

990 

950 

960 

1,060

1,360 

1,750 

1,940 

1,810 

1,520

May

1,420 

1,810 

1,940 

1,880 

2,010

2,370 

3.3OO 

3,870 

2,990 

2,370

2,150 

2,220 

2,080 

1,880 

1,690

1,640 

1,470 

1,310 

1,360 

1,580

1,810 

1,880 

2,150 

2,750 

3,410

3,680 

3,960 

3,500 

3,070 

2,910 

2,600

Minimum

99 

100 

113

99

95 

149 

190 

412 

1,310 

894 

453 

212 

134

95

June

2,220 

2,300 

2,300 

2,080 

1,940

2,010 

2,010 

2,300 

2,370 

1,940

1,690 

1,690 

1,750 

1,580 

1,470

1,690 

2,010 

1,880 

1,580 

1,310

1,140 

1,260 

1,520 

1,750 

1,750

1,420 

1,250 

1,040 

910 

894

Mean

177 

146 

197

691

145 

235 

440 

942 

2,357 

1,702 

810 

311 

174

639

Jily

1,060 

1,220 

1,090 

958 

1,050

1,140 

1,050 

854 

886 

870

830 

878 

870 

918 

1,110

862 

809 

886 

886 

802

725 

666 

614 

560 

507

484 

453 

602 

516 

462 

484

Per 

square 

mile

0.87? 

.71? 

.970

3.40

.714 

1.16 

2.17 

4.64 

11.6 

8.38 

3.99 

1.53 

.857

3.15

Aug.

530 

555 

530 

507 

445

385 

373 

366 

340 

313

294 

288 

294 

307 

310

297 

279 

264 

241 

225

220 

220 

215 

212 

212

217 

217 

217 

223 

297 

258

Sept.

233 

220 

212 

210 

205

183 

185 

176 

197 

190

172 

168 

170 

161 

153

170 

163 

151 

141 

134

134 

147 

159 

161 

165

170 

172 

174 

174 

168

Runoff

Inches

1.01 

.80 

1.12

46.20

.82 

1.21 

2.50 

5.18 

13.38 

9.36 

4.60 

1.77 

.96

42.71

Acre-feet

10,900 

8,680 

12.120

500,200

8,890 

13,050 

27,070 

56,080 

144,900 

101,300 

49,790 

19,140 

10,350

462,300

* Winter discharge measurement made on this day.

Note.- Stage-discharge relation affected by ice Nov. 16-27, Dec. 17-21, Dec. 25 to Jar 

29 to teb. 5.

21, Jan.
SKAGIT RIVER BASIN 169

Granite Creek near Newhalem, Wash.

Location.- Water-stage recorder, lat. 48°41'40", long. 120°53'30", in SE^NE^ sec. 20, T. 

3V N., R. 16 E., at 1-mile trail bridge about 1 mile upstream from confluence with 

Canyon Creek and 16 miles east of Newhalem.

Drainage area.- 69 square miles.

Records available.- October 1946 to September 1947.

Extremes.- Maximum discharge during year, 1,800 second-feet May 26 (gage height, 5.79 

reet); minimum not determined, occurred sometime during period of ice effect.

Remarks.- Records good except those for periods of ice effect or no gage-height record, 

which are poor. No diversion or regulation.

Rating table, water year 1946-47, except periods of ice effect 

(gage height, in feet, and discharge, in second-feet)

2.2 34 3.3 140 4.5 546 

2.4 45 3.6 201 4.9 815 

2.7 68 3.9 285 5.3 1,170 

3.0 98 4.2 396 5.7 1,670

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24

25

26

27 

28 

29

30 

31

Oct.

a46 

a44 

a42 

40 

39

38 

39 

39 

38

36

36 

35 

36 

38 

36

34 

34 

34 

34 

43

47 

48 

43 

113 

374

145 

98

82 

75 

66 

66

Nov.

62 

58 

58 

58 

57

56 

54 

52 

51 

51

41 

45 

46 

46 

47

44 

44 

43 

b41 

b39

bS5 

bS4 

b40 

b39 

b44

54 

60 

49 

46 

343

Dec.

341 

346 

aSl 

a57 

358

 55 

52 

51 

51 

86

163 

94 

72 

69

62

47 

45 

b44 

b43 

51

50 

b48 

b47 

45 

46

48

347 

a43 

343 

345

348

Jan.

»44 

44 

49 

46 

44

43 

42 

41 

40 

43

42 

41 

38

b36 

b40

b39 

338 

337 

a37 

38

39

42 

51 

94 

81

72 

62 

56 

51 

47 

»44

Feb.

47 

50 

48 

47 

46

46 

45 

44 

44 

43

44

51 

65 

98 

104

87 

79

75 

72 

68

66 

66 

71 

72 

71

68

*66 

65

Month Second- 

"ontB foot-days

Octo 

Nove 

Dece

Ca

Janu 

Febi 

Marc 

Apri 

May 

June 

Julji 

Augu 

Sept

We

lendar year

1,918 

1,437 

1,748

h .........................

1 ......................... i

,

ember .....................

1,461 

1,748 

4,376 

1,083 

8,442 

9,011 

8,731 

3,037 

1,600

ter year 1946-47 .......... 84,592

Mar.

64 

64

65 

62

60

59 

59 

58 

58 

58

57 

56 

60 

72 

98

137 

185 

219 

241 

261

270 

258 

241 

217 

196

178 

170 

180 

194 

235 

244

Maximum

374 

62 

163

-

94

104 

270 

815 

1,610 

938 

428 

183 

72

1,610

Apr.

241 

230 

219 

204

190

174 

168 

164 

162 

162

151 

162 

214 

292 

371

432 

524

524 

530 

476

418 

388

371 

380 

423

546

740 

815 

755 

657

May

564 

684 

808 

762 

762

895

1,260 

1,610 

1,200 

980

863

855 

815 

705 

638

625 

570 

491 

471 

552

625 

677 

3880

1,050 

1,280

1,530 

1,590 

1,390 

1,180 

1,120 

1,010

Minimum

34 

34 

41

-

36 

43 

56 

151 

471 

311 

156 

64 

42

34

June

879 

938 

887

770 

755 ?

770 

770 

895 

904 

705

657 

651 

651 

582 

530

619 

691 

664 

588 

476

414 

461 

558 

644 

619

502 

446 

359 

315 

311

Mean

61.9 

47.9 

56.4

-

47.1 

62.4 

141 

369 

917 

634 

282 

98.0 

53.3

232

July

367 

428 

384 

344 

359

396 

367 

329

311 

305

288 

295 

295 

308 

392

302 

276 

295 

305 

270

249

235 

219 

196 

178

174 

156 

206 

180 

160 

162

Per 

square 

mile

0.897 

.694 

.817

.

.683 

.904 

2.04 

5.35 

13.3 

9.19 

4.09 

1.42 

.772

3.36

Aug.

174 

183 

176 

166 

147

126 

117 

114 

108

100

95 

90 

90 

92 

94

90 

86 

83

77 

72

68 

68

66 

65 

64

64 

64

65 

66 

87 

80

Sept.

72 

68 

64 

62 

61

58 

58 

57 

62 

59

54 

53 

54 

51 

49

54 

51 

47 

45 

43

42 

44 

46 

48 

49

50 

50 

51 

50 

48

Runoff

Inches

1.C3 

.77 

.94

.

.79 

.94

2.3? 

5.97 

15.33 

10.25 

4.71 

1.64 

.83

45.59

Acre-feet

3,800 

2,850 

3,470

_

2,900 

3,470 

8,680 

21,980 

56,410 

37,710 

17,320 

6,020 

3,170

167,800

Winter discharge measurement made on this day. 

a Ho gage-height record; discharge computed on basis of weather records and records for Ruby Creek 

near Newhalem and Thunder Creek near Newhalem. 

b Stage-disoharge relation affected by ice.
170 SKAGIT RIVER BASIN

Thunder Creek near Newhalem, Wash.

Location.- Water-stage recorder, lat. 48°40', long. 181°04', In SE£ sec. 23, T. 37 N., 

R. lii E. (unsurveyed), half a mile upstream from backwater from Diablo Reservoir, 

8 miles east of Newhalem, and 20 miles northeast of Marble.-nount.

Drainage area.- 98 square miles.

Records available.- October 1930 to September 1947.

Average discharge.- 17 years 595 second-feet.

Extremes.- Maximum _dischqrge during year, 5,550 second-feet Oct. 25 (gage height, 9.74 

I'eet). from rating curve extended above 2,900 second-feet; minimum, 90 second-feet 

Oct. 18, 19 (gage height, 2.06 feet).

1930-47- Maximum discharge, 8,780 second-feet Feb. P6, 1932 (gage height, 11.3 

feet), from rating curve extended above 2,000 second-feet; minimum not determined, 

occurred during ppriod of ice effect or no gage-height record.

Remarks.- Records excellent except those above 3,500 second-feet, and those for periods 

orno gage-height record, which are fair. No diversion or regulation.

Rating tables, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

Oct. 1-24 Oct. 24 to Sept. 30

2.0 80 3.5 436 2.1 93 3.2 331 5.5 1, 

2.2 115 4.0 606 2.3 125 3.5 418 6.0 1, 

2.4 154 4.5 810 2.5 163 4.0 588 6.5 1, 

2.7 220 5.0 1,050 2.7 206 4.5 785 7.3 2, 

3.0 295 5.5 1,320 2.9 253 5.0 1,020

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

277 

206 

179 

173 

160

148 

158 

152 

150 

140

128 

117 

123 

130 

110

104 

99 

92 

94 

201

186 

171 

150 

1,300 

2,580

637 

403 

307 

270 

239 

220

Nov.

211 

191 

184 

184 

182

180 

174 

165 

157 

151

141 

134 

130 

130 

127

122 

123 

122 

118 

115

111 

111 

122 

118 

120

134 

169 

176 

157 

143

Dec.

138 

182 

224 

266 

268

241 

224 

222 

211 

416

875 

552 

403 

345 

299

256 

231 

227 

222 

236

211 

197 

182 

171 

167

165 

155 

139 

143 

138 

138

Jan.

130 

125 

125 

125 

123

122 

116 

116 

111 

127

125 

122 

116 

105 

113

111 

108 

108 

106 

105

106 

120 

211 

466 

418

403 

318 

273 

234 

211 

191

Feb.

191 

227 

211 

191 

182

171 

165 

161

157 

147

153 

246 

374 

534 

552

450 

382 

339 

307 

278

258 

248 

246 

243 

236

227 

220 

208

Mnn+v. Sscond 

Month foot-days

Octo 

Hove 

Dece

Ca

Jami 

Febr 

Hare 

Apri 

May 

June 

July 

Augu 

Sept

Wa

Bber ......................

lendar year 1946 

ary

9,404 

4,402 

7,844

......... 202,724

uary .

h .........................

ember .....................

5,290 

7,304 

8,969 

17,500 

37,720 

34,206 

32,762 

22,310 

15,812

ter year 1946-47 .......... 203,523

Mar.

202 

197 

195 

184 

178

174 

165 

161 

159 

159

163 

161 

163 

180

218

283 

365 

434 

466 

483

517 

500 

450 

403 

371

339 

320 

309 

320 

362 

388

Maximum

2,580 

211 

875

2,580

466 

552 

517 

1,300 

1,970 

1,610 

1,610 

1,100 

808

2,580

Apr.

403 

385 

359 

334 

318

299 

283

281 

281 

285

276 

278 

334 

483 

644

682 

743 

743 

785 

702

606 

552 

517 

517 

610

1,150 

1,300 

1,250 

1,200 

900

May

,200 

,650 

,300 

,050 

,100

,400 

,800 

,600 

,200 

,000

,000 

,100 

800 

640 

600

620 

550 

520 

800 

950

1,050 

1,050 

1,250 

1,600 

1,720

1,820 

1,970 

1,820 

1,610 

1,540 

1,410

Minimum

92

111 

138

92

105 

147 

159 

276 

520 

722 

663 

500 

241

92

June

1,200 

1,290 

,260 

,120 

,120

,140 

,260 

,440 

,580 

,200

1,020 

995 

1,020 

920 

852

1,290 

1,610 

1,410 

1,140 

898

830 

945 

1,120 

1,350 

1,350

1,380 

1,170 

852 

722 

722

July

920 

1,100 

970 

875 

1,040

1,140 

1,070 

970 

970 

995

1,020 

1,320 

1,230 

1,260 

1,610

1,200 

1,230 

1,410 

1,410 

1,260

1,200 

1,120 

1,040 

920 

785

702 

663 

995 

764 

743 

830

Per 

Mean square 

mile

303 3.09 

' 147 1.50 

253 2.58

555 5.66

171 1.74 

261 2.66 

289 2.95 

583 5.95 

1,217 12.4 

1,140 11.6 

1,057 10.8 

720 7.35 

527 5.38

558 5.69

290 

610 

970 

640

Aug.

970

1,100 

1,100 

1,100 

920

808 

808 

785 

682 

588

552 

606 

702 

764 

808

743 

682 

644 

534 

500

500 

500 

517 

552 

588

606 

625 

663 

722 

898 

743

Sept.

722 

682 

663 

808 

663

483 

606 

466 

702 

434

434 

534 

500 

379 

376

418 

315 

258 

241 

253

418 

606 

606 

570 

588

606 

625 

625 

625 

606

Runoff

Inches

3.57 

1.67 

2.98

76.92

2.01 

2.77 

3.40 

6.64 

14.31 

12.98 

12.43 

8.47 

6.00

77.23

Ao re-feet

18,650 

8,730 

15,560

402 , 100

10,490 

14,490 

17,790 

34,710 

74,820 

67,850 

64,980 

44,250 

31,360

403,700

Note.- No gage-height record Oct. 11, Apr. 25 to May 24; discharge interpolated, or computed on 

basis of recorded range in stage and records for Stetattle Creek near Newhalem.
SKAGIT RIVER BASIN 

Stetattle Creek near Newhalem, Hash.

171

Location.- Water-stage recorder, lat. 4«°43'40", long. 121°09'30", In NE£ sec 6 T 37 

jj- K - 13 E -' three-quarters of a mile upstream from mouth, 5j miles northeast of" 

Newhalem, and I8j miles northeast of Marblemount.

Drainage area.- 21.4 square miles.

Records available.- September 1933 to September 1947. December 1913 to March 1914 and 

TDecemcer 1914 to April 1915 at site half a mile downstream, published as Stetattle 

Creek near Marblemount.

Average discharge.- 14 years (1933-47), 162 second-feet.

Extremes.- Maximum discharge during year, 1,740 second-feet Oct. 24 (gage height, 5 85 

teetl, from rating curve extended above 800 second-feet; minimum, 22 second-feet 

Oct. 19 (gage height, 1.67 feet, from recorded range in stage).

Pi3 ' 15 ' 1933 - 47: Maximum discharge, 4,520 second-feet Nov. 5, 1934 (gage height 

10.4 feet, site and datum then in use), from rating curve extended above 400 secondfeet; minimum, 9 second-feet Nov. 9-11, 1936.

Remarks.- Records excellent except those for periods of no gage-height record, which are 

fair. No diversion or regulation.

Rating tables, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

Oct. 1-24 Oct. 25 to Sept. 3O

1.6 19 2.4 91 3.5 330 1.8 29 2 

1.8 29 2.6 125 4.O 520 2.O 43 3 

2.0 43 2.9 180 4.5 76O 2.2 63 3 

2.2 63 3.2 246 2.4 91-4 

2.6 126 4 

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

50 

41 

35 

37 

35

35 

36 

39 

34 

31

30 

28 

27 

28 

26

24 

24 

23 

30

131

90 

126 

111 

677 

643

224 

134 

96 

79 

66 

61

Nov.

63 

53 

50 

64 

68

84 

78 

63 

56 

52

47 

44 

41 

39 

36

33 

35 

70 

53 

45

40 

47 

80

76 

100

140 

200 

180 

165 

145

Dec.

120 

140 

165 

200 

185

170 

160 

160 

160 

200

700 

324 

212 

165 

134

1O5 

86 

78 

70 

62

67 

82 

75 

66 

63

63 

60 

51 

49 

45 

44

Jan.

42 

40 

37 

37 

36

34 

33 

33 

33

52

54 

52 

48 

4£

41

41 

39 

41 

41 

41

53 

103 

284 

638 

397

282 

194 

145 

113 

98 

82

Feb.

76 

134 

96 

94 

103

86 

73 

66

60 

5E

76 

281 

41' 

57 

41£

266 

201 

16E 

155 

113

101 

96 

105 

110 

103

93 

86 

76

Month SecondHonth foot-days

Octo 

Nove

Dece

Ca

Janu 

Febr 

Hare 

Apri 

May 

June 

July 

Augu 

Sept

Wa

lendar year 194 

ary

ember ..................... 2

5,051 

',247 

1,261

5,572

5,206 

1,278 

1,265 

,741 

,548 

,297

'998 

,362

ter year 1946-47 .......... 61,127

Mar.

73 

70 

73 

68 

63

59 

55 

52 

51 

62

84 

82 

82 

115 

172

237 

285 

294 

277 

263

257 

224 

183 

157 

132

113 

103 

108 

130 

163 

178

Maximum

677 

2OO 

700

700

638 

576 

294 

418 

580 

502 

400 

176 

274

70O

Apr.

185 

169 

145 

121 

105

94 

88 

90 

93 

115

113 

122 

198 

321 

347

324 

337 

306 

357 

277

212 

196 

192 

203 

234

318 

418 

404 

386 

271

May

322

540 

383 

334 

353

459 

580 

531 

436 

328

328 

353 

274 

222 

212

220 

192 

183 

247 

291

315 

321 

376 

482 

527

544 

558 

467 

433 

390 

347

Minimum

23 

33

44

23

33

55 

51 

88 

183 

205 

106 

59 

37

23

June

324 

380 

312 

285 

294

324 

318 

373 

411 

315

263 

260 

274 

227 

222

474 

425 

347 

282 

212

222 

263 

315 

353 

303

502 

353 

247 

205 

212

Mean

98.4 

74.9 

137

180

103 

153 

138 

225 

373 

310 

222 

96.7 

78.7

167

9 187 

2 260 

5 350 

0 535 

5 770

1947

July

271 

280 

232 

222 

260

260 

215 

208 

217 

217

257 

400 

291 

271 

360

237 

229 

260 

237 

215

203 

189 

169 

143 

122

110 

106 

249 

159 

137 

147

Per 

square 

mile

4.60 

3.50 

6.40

6.41

4.81 

7.15 

6.45 

10.5 

17.4 

14.5 

10.4 

4.52 

3.68

7.80

Aug.

161 

176 

172 

165 

132

117 

115 

108 

94 

82

76 

78 

88 

100 

101

94 

86 

78 

66 

59

60 

63 

61 

66

72

73 

75 

76 

80 

124 

100

Sept.

85 

79 

73 

130 

90

64

137 

118 

274 

130

93 

84 

73 

58 

52

76 

53 

43 

40

37

43 

54 

62 

63 

63

61 

59 

58 

56 

54

Runoff

Inct es

5.30 

3.90 

7. 4O

113.95

5.57 

7.43 

7.41 

11.71 

20.07 

16.16 

11.94 

5.21 

4.10

106.20

Acre-feet

6,050 

4,460 

8,450

130,100

6,360 

8,490 

8,460 

13,370 

22,910 

18,440 

13,630 

5,950 

4,680

121,200

Note -- No gage-height record Oct. 6-19, Nov. 17 to Dec. il; discharge computed on basis 

recorded range In stage, high-water mark, and records for stations on nearby streams.
SKAGIT RIVER BASIN 

Bacon Creek near Marblemount, Wash.

Location.- Wire-weight gage, lat. 48°35', long. 121°24', on line between sees. 20 and 21, 

T. 3b N. , R. 11 E. , at highway bridge a quarter of a mile upstream from mouth and 4-| 

miles north of Marblenount.

Drainage area.- 50 square miles.

Records available.- July 1943 to September 1947.

Extremes.- Maximum discharge during year, 6,480 second-feet Oct. 24 (gage height, 5.88

feet, from graph based on gage readings), from rating curve extended above 2,100 secondfeet by logarithmic plotting; minimum observed, 78 second-feet Oct. 18, 19.

1943-47: Maximum discharge, 7.000 second-feet Oct. 25, 1945 (gage height, 6.2 feet, 

from graph based on gage readings), from rating curve extended above 2,100 second-feet 

by logarithmic plotting; minimum observed, 74 second-feet Oct. 18, 1£45.

Remarks.- Records good except those for periods of rapidly changing stage, shifting control, and those above 2,500 second-feet, which are fair. Gage read twice daily. No 

diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

IS

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

121

111

98

107

104

ion

107

107

104

98

93

85

87

102

89

85

82

78

85

398

312

398

332

2,440

2,000

732

420

328

265

230

215

Nov.

215

186

186

200

215

215

200

186

173

166

158

150

148

141

137

133

135

135

130

124

120

135

305

248

»328

350

660

472

420

328

-

Dec.

285

625

895

990

660

530

472

500

395

990

1,480

850

592

500

420

328

285

248

230

230

248

285

E48

215

215

230

215

186

186

]73

166

Jan.

156

148

144

135

135

130

126

124

*126

186

186

163

b!40

bllO

bl!5

b!20

126

139

139

130

158

215

770

1,300

940

732

530

42O

350

305

265

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .

February ......................

Haroh .........................

April .........................

May ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

248

328

265

230

230

215

215

200

20C

200

»265

940

1,140

1,420

940

770

592

472

395

372

350

328

350

328

305

285

265

248

_

_

-

Secondfoot-days

9 913

6*699

13J872

159,730

8,7 63

12 ,096

10,871

14,455

22 379 _ Q*'-7<ZQ

13)435 5 1 996

5,334

143,552

Mar.

230

230

248

230

215

200

200

2OO

200

248

285

265

248

305

445

560

625

660

625

592

560

472

395

350

328

285

265

285

305

395

420

Maximum

2,440

66O

1,480

2,440

1,300

1,420

660

850

1,200

1,090

305

732

2,440

Apr.

445

395

328

305

265

248

230

248

265

305

285

285

372

625

660

625

695

695

850

592

472

445

420

420

445

660

850

770

695

560

-

May

625

895

770

625

695

895

1,040

940

85O

660

625

625

530

420

395

445

420

395

472

500

560

625

732

940

1,090

1,090

1,200

1,040

850

770

660

Minima

78

120

166

78

110

200

200

230

395

420

230

135

108

78

June

625

695

625

592

695

695

660

810

940

660

560

592

530

472

420

990

895

732

625

500

472

530

660

695

660

1,090

BIO

592

472

445

-

Mean

320

223

447

438

283

432

351

482

722

658

433

193 

178

393

July

560

560

500

445

500

472

4EO

395

420

420

500

810

625

530

625

472

445

472

445

395

395

350

328

285

265

248

230

445

328

285

265

Per 

square 

oile

6.40

4 .46

8.94

8.76

5.66

8 * 64

7.03

9 . 64

14.4 

13.2

8 . 66

3.se

7.8E

Ang.

265

2

2

2

85

05

85

248

230

2

2

2

30

15

00

200

173

1

1

2

73

86

00

200

186

1

1

1

86

73

58

148

144

1

1

1

37

35

39

150

153

1

1

1

2

56

53

53

30

200

Sept.

168

166

160

186

173

148

248

230

732

328

230

2OO

168

153

139

186

135

126

126

108

108

112

126

128

128

126

126

124

124

122

Runoff

Inches

7 .37

10 '.32

118.80

6 . 52 

9.00

8 . 09

10.75

16 . 65

14.68

4!46

3.97

106.78

Ac re- feet

19,660

13 290 27)510

316,800

17,380

23,'99o

21,560

44*, 390

39,150

26,650 

11,89O

10,580

284,700

* Winter discharge measurement made on this day.

b Stage-discharge relation affected by Ice.

Note. - Shifting-control method used Oct. 24 to Dec. 11, May 6 to June 15, June 26 to Sept. 3O.
SKAGIT RIVER BASIN 173

Cascade River at Marblemount, Wash.

Location.- Water-stage recorder, lat. 48°31'45", long 121°23'30", in SW£ sec. 9, T. 35 

N., K. HE., 2 miles east of Marblemount and Z\ miles upstream from mouth.

Drainage area.- 180 square miles.

Records available.- September 1928 to September 1947.

Average discharge.- 19 years, 947 second-feet.

Extremes.- Maximum discharge during year, 11,600 second-feet Oct. 25 (gage height, 9.54 

feet); minimum, 209 second-feet Oct. 18, 19 {gage height, 1.45 feet).

1928-47: Maximum discharge, 12,900 second-feet Feb. 26, 1932 (gage height, 9.88 

feet); minimum, 149 second-feet Nov. 15, 1929, but may have been less during January 

or February 1929, when stage-discharge relation was affected by ice; minim'im gage 

height, 1.11 feet Feb. 8, 1937.

Remarks.- Records good except those above 3,500 second-feet and those below 300 second1'eet, which are fair. No diversion or regulation.

Rating tables, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

Oct. 1-24 Oct. 25 to Sept. 3O

1-4 196 2.6 605 5.O 2,25O 1.8 293 3.5 1.01O 6.1 3,600 

1..6 250 3.0 780 5.5 2,800 2.O 353 4.0 1,340 6.5 4,260 

1.8 310 3.5 1,060 6.0 3,460 2.3 452 4.5 1,730 7.0 5,200 

2.0 376 4.0 1,390 2.6 568 5.O 2,200 7.7 6,760 

2.3 485 4.5 1,780 3.0 751 5.5 2,760

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6

7 

8 

9 

10

11 

12 

13 

14 

IS

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26

27 

28 

29 

30 

31

Oct.

415 

326 

282

276 

8270

a260 

a290 

a280 

a275 

a265

8255 

3240 

8255 

a265 

a240

8225

217 

214 

219 

455

508 

512 

485 

3,410 

6,640

1,770 

1,070 

800 

680 

590 

548

Nov.

527 

488 

452 

488 

488

470 

449 

418 

405 

398

375 

356 

347 

344 

331

316 

334 

344 

322 

313

308 

344 

488 

488 

527

656 

914 

825 

703 

634

Dec.

568 

842 

1,070 

1,300 

1,160

950 

875 

900 

825 

1,620

2,960 

1,720 

1,340 

1,200 

1,010

850 

751 

680 

611 

590

634 

680 

611 

568 

568

568 

548 

508 

488 

452 

452

Jan.

428 

411 

398 

388 

385

363 

356 

356 

350 

488

488 

452 

432 

388 

382

388 

382 

392 

388 

372

402 

537 

1,180 

2,070 

1,650

1,460 

1,100 

900 

800 

703 

611

Feb.

611 

751 

 656 

611 

568

548 

548 

548 

527 

508

568 

1,110 

1,610 

2,300 

1,960

1,490 

1,200 

1,070 

925 

850

800 

751 

751 

751 

703

656 

634 

590

u«r,*h SecondMonth foot-days

Octc 

Move 

Dece

C:

Jam 

Febi 

Marc

Apr] 

Hay 

June 

Julj 

Augi 

Sep1

W:

mber ...................... 2

2,537 

3,852 

7,899

lendar year 1946 ......... 381, 205

lary

h......................... 2

1 ......................... 3

tember ..................... i

9,409 

4,595 

4,827 

5,180 

6,030 

8,340 

3,860 

2,790 

6,792

iter year 1946-47 .......... 376 < 111

Mar.

568 

548 

568 

548 

508

488 

470 

470 

452 

488

568 

527 

527 

611

800

1,040 

1,270 

1,380 

1,380 

1,380

1,340 

1,240 

1,070 

980 

875

800 

727 

703 

751 

850 

900

Maximum

6,640 

914 

2,960

6,640

2,070 

2,300 

1,380 

1,960 

3,520 

2,700 

2,000 

1,160 

1,060

6,640

Apr.

925

875 

800 

751 

727

703 

656 

656 

680 

727

680 

680 

850 

1,160 

1,450

1,530 

1,690 

1,780 

1,910 

1,650

1,340 

1,200 

1,130 

1,070 

1,070

1,320 

1,820 

1,960 

1,860 

1,530

May

1,490 

2,200 

2,050 

1,820 

1,860

2,360 

3,020 

3,020 

2,580 

1,960

1,730 

1,820 

1,650 

1,380 

1,340

1,380 

1,240 

1,160 

1,450 

1,610

1,780 

1,860 

2,100 

2,700 

3,160

3,380 

3,520 

3,160 

2,640 

2,460 

2,150

Minimum

214 

308 

452

214

356 

508 

452 

656 

1,160 

1,270 

850 

488 

379

214

June

1,960 

2,200 

2,100 

1,910 

1,820

1,910 

2,100 

2,410 

2,700 

2,250

1,820 

1,780 

1,860 

1,730 

1,530

2,070 

2,700 

2,250 

1,960 

1,530

1,450 

1,570 

1,860 

2,150 

2,150

2,190 

2,160 

1,610 

1,340 

1,270

Mean

727 

462 

900

1,044

626 

878 

801 

1,173 

2,130 

1,945 

1,415 

735 

560

1,030

F

sq 

m

July

1,520 

1,730 

1,570 

1,380 

1,570

1,650 

1,490 

1,410 

1,410 

1,490

1,490 

1,780 

1,610 

1,610 

2,000

1,570 

1,610 

1,690 

1,610 

1,450

1,410 

1,270 

1,200 

1,070 

925

875 

850 

1,470 

1|130 

1,010 

1,010

er

lie

4.04 

2.57 

5.00

5.80

3.48 

4.88 

4.45 

6.52 

11.8 

10.8 

7.86 

4.08 

3.11

5.72

Aug.

1,070 

1,160 

1,160 

1,130 

950

875 

850 

825 

800 

703

656 

680 

703 

776 

776

703 

630 

656 

568 

548

527 

488 

488 

527 

527

568 

568 

590 

611 

900 

727

Sept.

656 

611 

590 

677 

624

488

636 

590 

1,060 

825

656 

611 

568 

508 

488

568 

470 

411 

385 

379

422

488 

508 

488 

508

508 

527 

527 

527 

488

Runoff

Inches

4.66 

2.86 

5.76

78.77

4.01 

5.08 

5.13 

7.27 

13.64 

12.05 

9.06 

4.71 

3.47

77.70

Aore-feet

44,700 

27,480 

55,340

756,100

38,500 

48,780 

49,240 

69,780 

131,000 

115,700 

87,000 

45,200 

33.310

746,000

a Ho gage-height record; discharge computed on basis of records for Thunder Creek near Newhalem
174 SKAGIT RIVER BASIN 

Jordan Creek at Marblemount, Wash.

Location.- Water-stage recorder, lat. 48°31', long. 121°20', In NE'iSEir sec. 18, T. 35 N., 

 R. HE., half a mile upstream from mouth and 1 mile southeast of Marblemount.

Drainage area.- 13.2 square miles.

Records available.- August to October 1943, July 1944 to November 1947 (discontinued).

Extremes.- 1946-47: Maximum discharge during water year not determined, occurred sometime during period of faulty gage-height record; minimum, 11 second-feet Oct. 18, 19 

(gage height, 1.37 feet). 1947: Maximum discharge during period October to November, 895 second-feet Oct. 19 

(gage height, 4.55 feet); minimum, 14 second-feet Oct. 1 (gage height, 1.39 feet). 

1943-47; Maximum discharge recorded, that of Oct. 19, 1947, but may have been 

higher during period of faulty gage-height record In water year 1947; minimum, 10 

second-feet Sept. 1-3, 1945.

Remarks.- Records good except those for period of faulty or no gage-height record, and 

those for Oct. 18 to Nov. 3, 1947, which are poor. No diversion or regulation. 

Discharge, In second-feet, 1946-47 

1946-47

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18 

19 

20

21 

22 

23 

24 

25

26

27

28

29

30

31

Oct.

14

13

12

13

13

12

14

13

13

12

12

12

12

12

12

11

11

11 

12 

40

34 

40 

35 

186 

400

150

90

70

60

50

45

Nov.

42

40

40

42

42

40

38

36

35

35

33

32

31

30

29

28

30

30 

28 

27

26 

30 

45 

45 

50

78

110

90

70

60

Dec.

55

90

120

140

130

110

90

95

90

200

350

150

120

100

80

70

60

55 

52 

50

 55 

60 

55 

50 

50

52

50

47

45

42

42

Jan.

40

38

37

36

36

35

35

35

36

55

55

50

45

40

37

38

37

38 

37 

36

45 

80 

ISO 

250 

190

150

100

80

70

60

50

Feb.

50

60

58

56

54

52

52

52

50

50

65

130

200

260

170

130

100

81 

72 

66

63 

62 

64 

62 

57

52

47

44

,.

_

-

Mar.

42

40

41

39

36

35

34

34

34

39

52

45

43

47

58

72

89

97 

99 

96

101 

97 

82 

75 

66

59

53

49

51

63

72

Apr.

74

66

59

54

54

54

49

49

51

57

52

51

62

86

99

102

121

160 

182 

142

110 

96 

87 

82 

84

102

129

136

134

114

May

112

151

140

121

123

151

180

177

172

134

114

115

, 108

96

90

108

96

94 

115 

114

117 

117 

129 

156 

180

187

197

180

153

138

123

June

112

117

117

114

108

108

104

114

156

142

112

97

104

101

87

101

119

112 

101 

87

76 

74 

75 

81 

86

102

131

106

87

76

-

Jily

76

78

74

68

67

66

63

59

57

57

58

62

60

60

68

62

57

55 

53 

49

47 

44 

42 

40 

38

36

34

67

54

45

40

Aug.

38

36

35

35

34

32

30

28

27

27

25

24

24

22

22

22

21

21 

20 

19

19 

18 

18 

17 

16

16

16

15

16

20

18

Sept.

18

17

16

21

20

18

31

30

59

52

40

34

30

27

25

26

24

22

20 

19

19 

18 

17 

16 

16

16

16

15

15

14

"

Note.- No gage-height record Oct. 29 to Nov. 22; faulty gage-height record Dot. 25-28, Nov. : 

'eb. 17j .discharge computed on basis of 3 discharge measurements and records for Bacon Creek ni 

[arblemount and Cascade River at'Marblemount.

25-28, Nov. 23 to 

tear

Day

1

2

3

4

5

6

7

8

Oct.

15

50

57

69

62

48

41

38

Nov.

62

49

42

35

-

-

_

-

Day

9

10

11

12

13

14

15

16

Oct.

44

39

35

32

33

32

86

108

Nov.

_

_

_

_

-

_

-

Day

17

18

19

20

21

22

23

24

Oct.

148

245

302

112

69

52

44

37

Nov.

_

_

_

_

_

_

-

Day

25

26

27

28

29

30

31

Oct.

34

37

32

32

28

27

44

Nov.

_

_

_

-

-

_

_

.Monthly discharge, In second-feet, 1946-47

Month

April .........................

May...........................

September .....................

Water year 1946-47 ..........

October 1947. . ................

Secondfoot-days

1,434 

1,292 

2,755

26,009

2,021 

2,259 

1,840 

2,698 

4,188 

3,107 

1,736 

731 

711

24,772.

2,032

Maximum

400 

110 

350

400

250 

260 

101 

182 

197 

156 

78 

38 

59

400

302

Minimum

11 

26 

42

11

35 

44 

34 

49 

90 

74 

34 

15 

14

11

15

Mean

46.3 

43.1 

88.9

71.3

 65.2 

80.7 

59.4 

89.9 

135 

104 

56.0 

23.6 

23.7

67.9

65.5

Per 

square 

mile

3.51 

3.27 

6.73

5.40

4.9i 

6.11 

4.50 

6.81 

10.2 

7.83 

4.21 

1.73 

1.80

5.14

4.9S

Runoff

Inches

4.04 

3.64 

7.76

73.28

5.69 

6.36 

5.18 

7.60 

11.80 

8.75 

4.89 

2.06 

2.00

69.77

5.73

Acre-feet

2,840 

2,560 

5,460

51,580

4,010 

4,480 

3,650 

5,350 

8,310 

6,160 

3,440 

1,450 

1,410

49,120

4,030
SKAGIT RIVER BASIN 

Sauk River above Whitechuck River, near Darrington, Wash

175

Location.- Water-stage recorder, lat. 48°10'00", long. 121°27'45", in NWir sec. 24, T.-31 

N., H. 10 E., half a mile'upstream from Whitechuck River and 9j miles southeast of 

Darrington.

Drainage area.- 152 square miles.

Records available.- August to November 1910 (fragmentary gage heights), October 1917 to. 

September 1922, August 1928 to September 1947.

Average discharge.- 24 years (1917-22, 1928-47), 1,067 second-feet.

Extremes.- Maximum discharge during year, 9,250 second-feet Oct. 25 (gage height, 8.50 

feet), from rating curve extended above 3,100 second-feet; minimum, 165 second-feet 

Ojt. 18, 19.

1917-22. 1928-47: Maximum discharge, 23,000 second-feet Dec. 12, 1921 (gage height, 

14.65 feet), from rating curve extended above 3,000 second-feet; minimum, 115 secondfeet Nov. 15, 16, 30, Dec. 1, 1936.

Remarks.- Records excellent except those for periods of shifting control, which are good, 

and those for period of no gage-height record, which are fair. No diversion or regulation.

Rating table, water year 194S-47 (gage height, in feet, 

and discharge, in second-feet)

2.0 

2.2 

2.4

2.6 

2.8

17O 

237 

329 

442 

575

3.0 

3.3 

3.6 

4.0 

4.5

728

995

1,310

1,770

2,410

5.O 

6.0 

7.0

3,110

4,660

6,380

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

233

215

207

215

226

218

222

233

226

215

200

191

185

188

185

179

170

168

176

683

712

821

839

2,620

6,300

2,320

1,360

976

787

665

<?27

Nov.

673

568

513

527

540

575

575

513

480

474

430

395

572

361

340

324

462

547

448

401

372

468

728

696

1,090

1,710

2,220

1,770

1,280

995

Dec.

821

1,180

1,590

2,080

1,890

1,530

1,340

1,480

1,350

2,630

4,840

2.7SO

2,900

3,180

2,280

1,650

1,320

1,100

948

865

874

929

839

753

720

712

680

60O

590

570

550

Jan.

530

50O

480

460

440

420

400

390

385

500

600

550

500

430

420

410

400

390

390

380

500-

1,000

2,700

4,500

3,480

3,040

1,890

1,420

1,170

1,020

874

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

Haroh .........................

April .........................

Hay ................. .........

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

865

1,770

1.17O

929

830

762

728

696

642

619

770

1,610

2,550

3,560

2,970

2,020

1,590

1,310

1,140

995

929

874

865

848

787

728

688

634

_

_

-

Seoondfoot-days

22,562

20,847

45,551

445,304

30,569

33,879

29,041

44,500

74,470

60,310

35,769

14,217

11,27>1

422,986

Mar.

597

582

619

612

575

547

527

513

506

627

778

681

619

688

874

1,170

1,530

1,710

1,710

1,710

1,710

1,650

1,350

1,150

995

856

778

736

745

910

986

Maximum

6,300

2,220

4,840

6,300

4,500

3,560

1,710

2,690

3,640

1^650

762

1,110

6,300

Apr.

1,130

1,080

920

848

770

736

688

665

688

8*8

753

696

848

1,290

1,830

1,890

 2,150

2,280

2,690

2,480

1,960

1,650

1,530

1,480

1,420

1,710

2,220

2,480

2,550

2,220

May

2,220

2,900

2,69O

2,340

2,280

2,690

3,340

3,110

2.76O

2,280

1,960

2,080

1,960

1,710

1,650

1,590

1,530

1,420

1,710

1,890

2,080

2,150

2,340

2,690

3,110

3,340

3,640

3,410

2,830

2,550

2,220

Minimum

168

324

550

168

380

619

506

S65

1,420

1,360

642

304

254

168

June

2,020

2,220

2,220

2,080

1,960

2,220

2,220

2,550

2,83O

2,410

1,960

1,770

1,890

1,830

1,590

2,150

2,690

2,150

1,830

1,530

1,390

1,530

1,770

1,960

1,960

2,360

2,550

1,830

1,480

1.3SO

Mean

728

695

1,469

1,220

986

1,210

937

1 ,483

2,402

2,010

1,154

459

376

1,159

July

1,530

1,650

1,480

1,320

1,410

1,420

1,280

1,180

1,170

1,170

1,220

1,530

1,310

1,320

1,590

1,280

1,260

1,310

1,210

1,080

995

939

848

770

712

673

642

1,020

910

778

762

Per 

square 

mile

4.79

4.57

9.66

8.03

6.49

7.96

6.16

9.76

15.8

13 2

7 59

3

(\n . L>£

2.47

7.62

Aug.

728

762

762

728

642

568

547

527

513

474

436

442

442

455

455

430

412

401

378

351

329

314

304

304

314

319

319

324

334

455

448

Sept.

372

351

334

329

334

29O

383

561

1.11O

804

554

461

412

367

329

334

340

304

280

263

254

271

285

285

285

285

280

280

267

267

Runoff

Inches Ao re- feet

5.52 44,750

5. 1C 41,350

11.15 90,350

108.96 883,200

7.48 60,630

8.29 67,200

7.11 57,600

10.89 88,260

18.22 147,700

14.76 119,600

8.75 70,950

3.48 28,200

2.76 22,360

103.51 839,000

Peak discharge.- Oct. 25 (4 a.m.) 9,250 sec.-ft.; Dec. 11 (7 a.m.) 5,840 sec.-ft. ; Jar. 24 (7 to 

8 a.m.) 5,330 sec.-ft.; Jan. 25 (10:30 p.m.) 4,340 sec.-ft.

Note.- Ho gage-height record Dee. 27 to Jan. 23; discharge computed on basis of recorded range in 

stage and records for Thunder Creek and Stetattle Creek near Newhalem. Shifting-control method used 

Oct. 1-24, Mar. 16 to Apr. 16.
176 SKAGIT RIVER BASIN

Sauk River near Sauk, Wash.

Location.- Water-stage recorder, lat. 48°25'15", long: 121°33'45", in NW^ sec. 19, T. 34 

K., R. 10 E., 5 miles upstream from mouth, 5 miles southeast of Sauk, and 8 miles downstream from Suiattle River. Datum of gage is 226 feet above mean sea level (riverprofile survey).

Drainage area.- 714 square miles.

Records available.- July 1928 to September 1947. August 1910 to August 1912, various 

gages at sites from 1 mile downstream to 5 miles upstream from present site, published 

as Sauk River near Suiattle Crossing, near Sauk. All early discharge measurements 

made 5 miles upstream from present site.

Average discharge.- 19 years (1928-47), 3,984 second-feet.

Extremes.- Maximum discharge during year, 33,200 second-feet Oct. 25 (gage height, 11.41 

reet); minimum, 806 second-feet Oct. 19 (gage height, 2.67 feet).

1910-12. 1928-47: Maximum discharge, 68,500 second-feet Feb. 26, 1932 (gage height, 

15.83 feet); minimum, 572 second-feet Dec. 5, 1929, but may have bean less during 

period of ice effect Jan. 10-27, 1930.

Remarks.- Records good except those for period of plugged intakes, which are fair. No 

diversion or regulation.

Discharge, in second-feet, water year October 1946 tc September 1947

Day

1 

2 

3 

4 

5

6

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

1,250 

1,100 

1,010 

1,030 

1,100

1,030 

1,030 

1,100 

1,050 

1,000

940 

930 

893 

920 

884

848 

848 

830 

839 

2,070

3,420 

2,920 

3,320 

8,110 

23,100

6,430 

4,750 

3,520 

2,920 

2,460 

2,260

Ncv.

2,550 

2,280 

1,940 

1,980 

2,606

2,060 

2,080 

1,890 

1,740 

1,760

1,640 

1,540 

1,470 

1,410 

1,370

1,290 

1,520 

2,210 

1,770 

1,550

1,470 

1,970 

3,840 

2,220

3,840

6,290 

7,590 

6,020 

4,630 

3,740

Dec.

5,120 

4,510 

5,490 

7,000 

6,430

5,240 

4,630 

5,240 

4,630 

9,330

17,300 

10,400 

9,680 

9,340 

7,740

6,020 

4,990 

4,400 

3,950 

3,740

3,740 

4,170 

3,740 

3,420 

3,220

3,220 

3,120 

2,830 

2,640 

2,550 

2,460

Jan.

2,370 

2,210 

2,110 

2/010 

2,000

1,970 

1,840 

1,840 

1,820

2,740

2,920 

2,550 

2,280 

2,050 

1,970

2,010 

1,890 

2,000 

2,230 

2,000

2,280 

3,730 

8,360 

13,800 

10,700

10,000 

6,570 

5,240 

4,400 

3,840 

5,620

Month

Goto 

Hove 

Dace

Ca

Jami 

Febi 

Marc 

Apr! 

May 

June 

July 

Augu 

Sept

Wa

irt>er ........... ^ . - - -

lendar year 1946 

ary

h .........................

ember .....................

ter year 1946-47 ..........

Feb.

5,620 

6,180 

4,630 

3,740 

3,320

3,120 

3,020 

2,920 

2,830 

2,740

3,120 

6,100 

9,010 

12,600 

10,000

7,290 

5,750 

4,870 

4,400 

3,950

3,740 

3,630 

3,520 

3,520 

3,320

3,120 

2,920 

2,740

Secondfee t-day s

83,892 

78,720 

168,290

1,622,012

117,350 

131,720 

107,570 

143,940 

247,460 

214,460 

149,460 

72,230 

52,540

1,567,632

liar.

2,640 

2,550 

2,740 

2,640 

2,460

2,370 

2,280 

2,200 

2,200 

2,640

3,520 

2,920

2,740 

2,830

3,320

4,060 

4,870 

5,360 

5,360 

5,360

5,240 

5,120 

4,510 

4,170 

3,740

3,420 

3,120 

3,020 

3,120 

3,420 

3,630

Maximum

23,100 

7,590 

17,300

23,100

13,800 

12,600 

5,360 

8,050 

12,200 

10,000 

6,290 

3,520 

3,300

23,100

Apr.

3,950 

3,840 

3,420 

3,220 

3,120

3,120 

2,920 

2,830 

2,920 

3,320

3,220 

2,920 

3,220

4,170 

5,240

5,620 

6,160 

6,710 

8,050 

7,590

5,880 

5,240 

4,870 

4,630 

4,510

5,240 

6,710 

7,440 

7,290 

6,570

May

6,290 

8,360 

8,050

7,140 

7,140

8,360 

10,400 

10,000 

9,010 

7,740

6,710 

7,000 

6,570 

5,880 

5,620

5,620 

5,360 

5,120 

5,880 

6,570

6,850 

7,140 

7,740 

9,010 

10,700

11,500 

12,200 

11,800 

10,000 

9,340 

8,360

Minimum

830 

1,290 

2,460

830

1,820 

2,740 

2,200 

2,830 

5,120 

4,990 

3,020 

1,650 

1,280

830

June

7,440 

7,590 

7,740 

7,290 

7,000

7,440 

7,590 

8,360 

10,000 

8,680

7,000 

6,430 

6,710 

6,570 

5,880

7,000 

9,340 

8,050 

7,000 

5,880

5,360 

5,490 

6,430 

7,290 

7,590

7,440 

8,680 

6,710 

5,490 

4,990

Mean

2 ,760 

2,624 

5,429

4,444

3,785 

4,704 

3,470 

4,798 

7,983 

7,149 

4,821 

2,330 

1,751

4,295

July

"5,490 

6,290 

5,880 

5,240 

5,490

5,880 

5,360 

4,990 

4,990 

4,990

5,120 

5,880 

5,360 

5,360 

6,290

5,360 

5,120 

5,360 

5,240 

4,630

4,510 

4,280 

3,950 

3,740 

3,220

3,120 

3,020 

4,400 

4,060 

3,420 

3,420

Per 

squa-e 

mile

3.79 

3.68 

7.60

6.22

5.30 

6.59 

4.86 

6.72 

11.2 

10. 0 

6.75 

3.26 

2.45

6.02

Aug.

3,320 

3,520 

3,520 

3,420 

3,220

2,830 

2,830 

2,640

2,550 

2,370

2,250 

2,280 

2,260 

2,370 

2,460

2,280 

2,200 

2,130 

1,970 

1,840

1,770 

1,660 

1,650 

1,680 

1,680

1,720 

1,720 

1,760 

1,800 

2,280 

2,250

Sept.

1,950 

1,880 

1,800 

1,800 

1,830

1,570 

1,700 

2,090 

3,300 

3,020

2,210 

1,970 

1,'890 

1,670 

1,580

1,740 

1,710 

1,480 

1,370 

1,280

1,350 

1,510 

1,540 

el, 550 

el, 500

el ,450 

el, 450 

el, 500 

el, 450 

el ,400

Runoff

Inches

4.37 

4.10 

8.77

84.48

6.11 

6.86 

5.60 

7.50 

12.89 

11.17 

7.78 

3.76 

2.74

81.65

Peak discharge.- Oct. 25 (7 a.m.1 33.200 sec. -ft.: Dec. 11 (8:30 a.m.} 21,200 sec. -ft.

Acre-feet

166,400 

156,100 

333,800

3,217,000

232,800 

261,300 

213,400 

285,500 

490,800 

425,400 

296,400 

143,300 

104,200

3,109,000

Jan. 24

n7) 16,805 sec.-ft.; Jan. 25 '(11:30 p.m.) 13,400 sec.-ft'.; Feb. 14'(3:3o p.m.) 13,800 sec.-ft. 

May 28 (3:30 a.m.) 13,400 sec.-ft.

e Intakes plugged; discharge computed on basis of records for nearby streams.
SKAGIT RIVER BASIN 177

Suiattle River near Mansfcrd, Wash.

Location.- Water-stage recorder, lat. 48 0 21'50", long. 121°29'30", in Nj sec. 10, T. 33

 N~., R. 10 E., Zj miles downstream from Big Creek and 4 miles north of Mansford.

Drainage area.- 335 square miles.

Records available.- July 1938 to September 1947.

Extremes.- Maximum discharge during year, 19,200 second-feet Oct. 25 (gage height, 12.86

 feet); minimum, 455 second-feet Oct. 18, 19 (gage height, 3.35 feet).

1938-47: Maximum discharge, that of Oct. 25, 1946; minimum, 413 second-feet Oct. 

13, 1942.

Remarks.- Records good except those for period of faulty intake action, which are fair. 

No diversion or regulation.

Rating tables, water year 1946-47, except period of faulty Intake action 

(gage height, In feet, and discharge, In second-feet)

3.3 

3.5 

3.7 

4.0

442

505

595

755

Oct. 1 to Dec. 11

4.5 1,100

5.0 1,520

5.5 1,990

6.0 2,550

6.5 3,210

7.0 3,970

7.5 4,820

8.1 5,950

Dec. 12 to Sept. 3O

3.9 645 5.5 1,840 7.5 4.66O

4.2 800 6.0 2,410 8.0 5,580

4.5 980 6.5 3,050 8.6 6,730

5.0 1,340 7.0 3,810

Discharge, In second-feet, water year October 19%6 to September 1947

Day

1 

2 

3 

4

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

672 

586 

553 

572

557

539 

562 

572 

553 

526

509 

498 

494 

514 

486

472 

468 

460 

468 

961

1,060 

1,060 

988 

5,150 

6,020

3,080 

1,990 

1,610 

1,380 

1,180 

1,140

Nov.

1,140 

988 

952 

1,020 

1,020

988 

952 

883 

857 

837

774 

755 

732 

709 

693

666 

761 

824 

761 

709

721 

1,020 

1,380 

1,100 

1,240

1,700 

2,140 

1,940 

1,660 

1,430

Dec.

1,300 

1,660 

1,940 

2,260 

2,140

1,890 

1,740 

1,780 

1,740 

2,790

5,950 

3,570 

3,120 

2,910 

2,470

2,120 

1,840 

1,630 

1,420 

1,340

1,380 

1,420 

1,300 

1,220 

1,190

1,190 

1,150 

1,080 

1,020 

980 

980

Jan.

920 

890 

860 

830 

830

800 

772 

772 

772 

980

950 

980 

a920 

aSdO 

a840

a860 

aSOO 

a840 

772 

745

800 

1,120 

2,060 

3,650 

3,120

2,980 

2,230 

1,840 

1,580 

1,420 

1,260

Feb.

1,260 

1,780 

1,420 

1,260 

1-.220

1,150 

1,120 

1,120 

1,080 

.1,050

1,220 

1,950 

2,720 

3,810 

3,340

2,590 

2,170 

1,900 

1,730 

1,580

1,460 

1,380 

1,380 

1,340 

1,260

1,220 

1,150 

1,120

Month Seoond- foot-days

Octo 

Move 

Dece

Ca

Janu 

Febr 

Maro 

Apri 

May 

June 

July 

Augu 

Sept

Wa

ber .......................

mber ......................

lendar year 1946 

ary

35,680 

31,352 

58,520

......... 710,739

ember .....................

39,073 

45,780 

42,860 

59,660 

23,570 

11,480 

77,490 

37,860 

27,570

ter year 1946-47 .......... 690,895

Peak discharge.- 0

(6:30 to 7:30 p.m.) 

a No gage -height r 

Note.- Intakes plu

Mar.

1,050 

1,050 

1,050 

1,020 

950

920 

920 

890 

860 

950

1,020 

950 

950 

1,050 

1,260

1,630 

2,000 

2,230 

2,230 

2,230

2,290 

2,170 

1,900 

 1,680 

1,460

1,340 

1,260 

1,260 

1,300 

1,460 

1,530

Maximum

6,020 

2,140 

5,950

6,770

3,650 

3,810 

2,290 

3,420 

6,780 

5,200 

3,490 

1,900 

1,680

6,780

Apr.

1,530 

1,420 

1,340 

1,260 

1,220

1,190 

1,120 

1,120 

1,150 

1,190

1,120 

1,120 

1,340 

1,840 

2,410

2,590 

2,840 

2,910 

3,120 

2,780

2,350 

2,120 

2,000 

1,900 

1,950

2,350 

3,120 

3,420 

3',190 

2,650

May

Minimum

460 

666 

980

460

745 

1,050 

860 

1,120 

2,290 

2,410 

1,530 

890 

670

460

ct. 25 (3 a.m.) 19,200 sec. -ft.; Dec. 11 

4,060 sec. -ft. 

 ecord; discharge computed on basis of recor 

gged Sept. 12-30; discharge computed on bas

2,650 

3,730 

3,490 

3,190 

3,340

4,140 

5,390 

5,200 

4,660 

3,650

3,190 

3,420 

3,120 

2,720 

2,650

2,650 

2,410 

2,290 

2,910 

3,120

3,420 

3,490 

3,890 

4,840 

5,770

6,370 

6,780 

6,370 

5,390 

5,020 

4,310

June

3,810 

4,060 

3,970 

3,810 

3,650

3,810 

4,060 

4,480 

5,200 

4,400

3,490 

3,420 

3,650 

3,420 

3,050

3,890 

5,200 

4,220 

3,570 

2,980

2,780 

2,980 

3,490 

4,060 

3,970

3,970 

3,970 

3,120 

2,590 

2,410

Mean

1,151 

1,045 

1,888

1,947

1,260 

1,635 

1,383 

1,989 

3,986 

3,716 

2,500 

1,221 

919

1,893

5:30 a.m.

July

2, 

3, 

2, 

2, 

2,

2, 

2, 

2, 

2, 

2,

2, 

2, 

2, 

2, 

3,

2, 

2, 

2, 

2, 

2,

2, 

2, 

2, 

1, 

1,

1, 

1, 

2, 

1, 

1, 

1,

Per 

square 

mile

3.44 

3.12 

5.64

5.81

3.76 

4.88 

4.13 

5.94 

11.9 

11.1 

7.46 

3.64 

2.74

5.65

7,420 s

ds for Sauk River 

Is of records for

720 

120 

910 

590 

780

980 

780 

590 

590 

650

650 

980 

780 

840 

490

780 

720 

910 

780 

530

410 

290 

120 

900 

680

580 

530 

500 

900 

680 

730

*1«.

1,730 

1,900 

1,900 

1,840 

1,630

1,420 

1,380 

1,380 

1,300 

1,190

1,120 

1,150 

1,150 

1,220 

1,260

1,190 

1,120 

1,120 

1,020 

950

920 

890 

890 

920 

920

950 

980 

980 

1,020 

1,300 

1,120

Sept.

1,020 

1,020 

950 

1,020 

950

830 

920 

890 

1,650 

1,680

1,420 

1,200 

1,000 

870 

830

900 

830 

720 

690 

670

700 

770 

800 

840 

700

700 

730 

780 

760 

730

Runoff

Inches

3.9f 

3.4F 

6.5C

78. 9C

4.34 

5.08 

4.7e 

6.62 

13.72 

12.38 

8.6C 

4.2C 

3.06

76.70

Aore-feet

70,770 

62,190 

116,100

1,410,000

77,500 

90,800 

85,010 

118,300 

245,100 

221,100 

153,700 

75,090 

54,680

1,370,000

ec.-ft.; Feb. 14

near Sauk. 

nearby s treams .
178 SKAGIT RIVER BASIN

Jackman Creek near Concrete, Wash.

Location.- Staff gage, lat. 48°31', long. 121M3 1 , in SW£ sec. 13, T. 35 N., R. 8 E., at 

Van Horq, 300 feet downstream from railroad bridge, an eighth of a mile upstream from 

mouth,- and 2^ miles southeast of Concrete.

Drainage area.- 24.5 square miles.

Records available.- August 1943 to September 1947 (discontinued).

Extremes - Maximum discharge observed during year, 1,880 second-feet Oct. 24 (gage height, 

a. 34 i'eet), from rating curve extended above 1,300 second-feet; minimum observed, 8.0 

second-feet Aug. 25, 28, 29, Sept. 2-4.

1943-47; Maximum discharge observed, 2,890 second-feet Oct. 24, 1945 (gage height, 

4.00 feet), from rating curve extended above 1,300 second-feet; minimum observed, that 

of Aug. 25, 28, 29, Sept. 2-4, 1947.

Remarks.- Records poor. Gage read twice daily. No diversion or regulation.

Discharge, in second feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

18

15

23

26

21

15

23

19

16

15

15

15

13

19

15

13

12

12

19

134

84

91

89

940

710

d550

d400

d330

278

228

213

Nov.

158

136

139

142

134

131

129

120

105

98

96

96

98

94

94

94

98

92

87

87

87

124

268

220

192

199

216

131

144

126

-

Dec.

120

228

350

300

199

144

118

113

94

236

689

494

457

390

292

266

234

212

190

194

204

242

212

175

173

173

138

135

141

121

112

Jan.

102

96

89

82

77

70

68

68

66

138

126

96

92

66

89

75

68

77

79

104

118

177

510

701

571

499

395

337

292

258

238

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March .........................

April .........................

May ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

234

309

274

238

230

227

212

212

201

197

212

538

683

726

451

318

258

216

183

170

170

163

163

154

144

124

112

107

-

-

Secondfoot-days

4,371

3 935

7*146

63,455

5* 824

7 1 226

4,661

6 ,218

7,507

4,749

1,571

445.3 

973.8

54,627.1

Mar.

96

96

92

89

84

75

75

68

89

115

132

127

110

138

170

230

262

254

250

246

238

230

204

173

151

135

118

115

121

177

201

Maximum

940

268

689

940

701

726 

262

566

327

300 

112

24

234

940

Apr.

204

177

154

132

121

118

110

110

112

132

115

121

138

187

227

246

2.74

436

566

332

246

204

190

177

180

219

274

254

254

208

-

May

246

278

238

212

223

292

318

309

309

250

216

238

204

177

170

183

166

180

242

292

219

227

266

262

296

327

318

246

216

197

190

Minimum

12

94

10

66

107

110

166

86 

22

8.0

8.0

8.0

June

180

197

183

183

170

163

160

212

287

183

157

151

138

118

110

197

177

144

118

102

96

107

104

115

86

300

183

170

132

126

-

Mean

141

131

231

174

258

150

207

242

158

50.7

14.4

32.5

150

Jiiy

112

99

89

79

75

66

61

55

55

49

57

57

51

64

68

42

38

36

34

29

28

24

23

22

22

22

22

86

46

32

28

Per 

square 

mile

5.76

5.3E

9.43

7. 1C

7 67

10.5

6. IE

8.4E

e!4E

2.07

,5f 8

1.33

6.1?

Aug.

24

24

21

22

22

18

18

16

17

17

17

17

IS

14

14

14

14

11

10

9.5

8.8

8.8

8.8

8.8

8.0

8.8

8.8

8.0

8.0

22

12

Sept.

11

8.8

8.0

29

17

12

48

30

234

84

53

38

35

28

35

44

35

26

23

23

19

19

18

17

15

14

14

14

11

11

~

Runoff

Inches Acre-feet

6 . 63 8, 670

5.97 7,800

10.85 14,170

96.33 125,800

8.84 11,550

10.97 14,330

7.08 9,240

9.44 12,330

11.40 14,890

7.21 9,420

2 . 38 3 , 120

l!48 1,930

82.93 108,300

d Doubtful gage-height record; discharge computed on basis of records for nearby streams.
SKAGIT RIVER BASIN 179

Baker. River at Concrete, Wash.

Location.- Water-stage recorder, lat. 48°33', long. 121°45', in NWtr sec. 11, T. 35 N., R.

8~~E77~800 feet downstream from Baker River power plant, a quarter of a mile northeast

of Concrete, and three-quarters of a mile upstream from mouth. 

Drainage area.- 270 square miles.

Keeoras available.- September 1910 to March 1915, September 1943 to September 1947. 

Extremes.- Maximum discharge during year, 20,000 second-feet (regulated) Oct. 24 (gage

neight, 12.40 feet); minimum, 52 second-feet (regulated) Apr. 14 (gage height, 0.69

foot); minimum daily, 332 second-feet (regulated) Sept. 21.

1910-15, 1943-47: Maximum discharge observed, 24,500 second-feet Jan. 6, 1914 

estimated to have been 31,000 second-feet later on same day); minimum, 26 second-feet 

regulated) Apr. 22, 1945 (gage height, 0.60 foot); minimum daily, 304 second-feet

(regulated) Nov. 28, 1943. 

Remarks - Records good between 1,000 and 11,000 second-feet, others fair. No diversions

which are not returned to river above gage. Flow regulated by Baker River power plant

and Lake Shannon (see p. 165). 

Cooperation.- Gage-height record for Lake Shannon furnished by Puget Sound Power & Light

Rating table, water year 1946-47 (gage height. In feet,

and discharge, In second-feet) 

(Shifting-control method used Oct. 1-15)

2.1 321 4.5 1.500 8.0 5,610 

2.5 445 5.0 1,910 9.0 7,960 

3.0 630 5.5 2,370 10.2 12, EDO 

3.5 860 6.0 2,880 

4.0 1,160 7.0 4,080

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9

10

11 

12 

13. 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

1,030 

1,300 

1,280 

1,060 

682

450 

1,280 

1,250 

1,190 

1,230

1,440 

842 

636 

1,480 

1,500

1,450 

1,170 

1,410 

874 

716

1,080 

906 

1,110 

5,080 

10,700

2,940 

1,710 

1,290 

1,350 

1,650 

1,730

Nov.

1,760 

1,290 

1,200 

1,340 

1,080

1,530 

1,590 

1,740 

1,430 

1,180

1,500 

1,360 

1,180 

1,500 

1,300

1,000 

951 

1,650 

1,480 

1,310

1,170 

1,330 

1,000 

878 

1,260

1,380 

1,710 

2,530 

2,720 

2,310

Month

Ooto 

Move 

Dece

Cal

Janu 

Febr 

Hare 

Apri 

May.

June 

July 

Augu 

Sept

Wat

her. ............

endar year 1946

st... ...........

ar year 1946-47

Dec.

2,160 

3,970 

6,690 

6,580 

4,760

3,540 

3,370 

3,440 

3,490 

8,600

12,200 

5,380 

3,170 

3,140 

2,430

2,240 

2,060 

1,910 

1,910 

1,980

1,710 

1,280 

1,740 

1,370 

1,240

1,650 

1,700 

1,570 

1,O2O 

1,770 

1,730

Jan.

1,260 

1,630 

1,450 

894 

814

1,520 

1,390 

1,360 

1,270 

1,290

1,120 

796 

1,310 

1,450 

1,380

1,250 

1,140 

971 

784 

1,240

1,230 

1,600 

3,530 

8,260 

6,380

3,290 

2,300 

2,050 

2,040 

1,890 

1,890

Feb.

1,960 

2,820 

1,760 

1,830 

1,500

1,660 

1,590 

1,140 

1,090 

1,720

1,710 

4,630 

9,610 

9,960 

6,230

3,440 

3,530 

2,470 

2,310 

2,310

2,270 

1,940 

1,660 

2,210 

2,100

2,100 

2,090 

2,080

Mar.

1,670 

1,290 

1.9OO 

1,830 

1,770

1,810 

1,850 

1,350 

1,180 

1,870

1,830 

1,840 

1,740 

1,530 

1,250

1,140 

2,170 

3,280 

3,570 

3,120

3,220 

3,250 

2,110 

2,240 

2,220

1,980 

1,850 

1,880 

1,780 

1,720 

2,290

Observed

Discharge in 

seoond-feet

Maximum

10,700 

2,720 

12,200

12,200

8,260 

9,960 

3,570 

4,980 

6,660 

6,070 

5,950 

2,050 

2,900

12,200

MiniBum

450 

878 

1,020

450

784 

1,090 

1,140 

1,440 

1,880 

2,380 

1,140 

511 

332

332

Mean

1,671 

1,455 

3,219

2,621

1,896 

2, -847 

2,017 

2,669 

4,038 

3,684 

2,659 

1,349 

1.427

2,409

Runoff 

in 

acre-feet

102,800 

86,600 

198,000

1,897,000

116,600 

158,100 

124,000 

158,800 

248,300 

219,200 

163,500 

82,930 

84,890

1,744,000

Apr.

2,600 

2,030 

1,930 

1,850 

1,970

1.740 

1,860 

1,790 

1,920 

2,040

1,860 

1,700 

1,440 

1,600 

2,890

3,730 

3,680 

3,740 

4,980 

3,970

2,550 

2,670 

1,790 

2,350 

2,110

3,070 

3,960 

4,350 

4,830 

3,060

May

3,280 

4,520 

4,590 

3,950 

3,400

3,950 

5,110 

6,200 

5,610 

4,120

3,960 

3,820 

3,900 

3,160 

2,450

2,330 

2,050 

1,880 

1,880 

2,370

2,990 

3,920 

3,810 

4,550 

5,330

6,000 

6,660 

5,710 

5,010 

5,030 

3,650

Change In

In Lake 

Shannon 

Reservoir 

(acre-feet)

+6,100 

+3,720 

-2,860

+1.44O

+1,210 

-2,430 

+2,750 

-590 

-4,380 

+5,580 

-480 

-1,530 

-7,650

-560

June

2,410 

3,270 

3,950 

3,200 

2,650

3,560 

3,950 

4,380 

5,480 

4,760

3,810 

3,190 

2,920 

2,920 

2,540

4,150 

5,760 

3,870 

3,630 

2,900

2,820 

2,380 

2,970 

3,820 

3,760

6,070 

5,900 

3,460 

3,190 

2,840

July

2,590 

3,150 

3,040 

2,670 

2,700

2,640 

2,950 

2,330 

2.410 

2,300

2,380 

5,950 

4,520 

3,400 

3,480

3,120 

2,830 

2,990 

2,880 

2,540

2,300 

2,340 

2,030 

1,960 

1,890

1,730 

1,140 

2,060 

2,640 

1,910 

1,570

Aug.

1,840 

1,750 

2,050 

1,890 

1,920

1,680 

1,540 

1,540 

1,320 

1,000

1,540 

1,500 

1,500 

1,470 

1,500

1,300 

930 

1,540 

1,480 

1,170

976 

960 

865 

538 

1,060

1,260 

1,120 

1,520 

1,290 

1,250 

511

Sept.

355 

1,410 

1,610 

1,270 

1,700

1,720 

1,370 

1,580 

2,900 

2,470

2,320 

1,690 

1,280

636 

1,460

1,550 

1,600 

1,460 

1,560 

972

332 

1,360 

1,450 

1,560 

1,620

1,480 

896 

410 

1,430

1,350

Adjusted for change In 

reservoir contents

Runoff 

in 

acre-fee

Discharge in 

second-feet

. Per 

1 Mean square 

Bile

108,900 1,771 6.56 

90,320 1,518 5.62 

195,100 3,173 11.8

1,899,000 2,623 9.71

117,800 1,916 7.10 

155,700 2,804 10.4 

126,800 2,062 7.64 

158,200 2,659 9.85 

243,900 3,967 14.7 

224,800 3,778 14. O 

163,000 2,651 9.82 

81,400 1,324 4.90 

77.240 1,298 4.81

1,743,000 2,408 8.92

Runoff

inches

7.56 

6.27 

13.55

131.83

8.18 

10.81 

8.81 

10. S9 

16.94 

15.61 

11.32 

5.65 

5.36

121.05
180 SKAGIT RIVER BASIN

Finney Creek near Concrete, Wash.

Location.- Water-stage recorder, lat. 48°31', long. 121°49' , in sec. 19, T. 35 N., R.' 8 

K., l\ miles upstream from mouth and 3 miles southwest of Concrete.

Drainage area.- 55 square miles.

Records available.- July 1943 to September 1947.

Extremes.- Maximum discharge during year, 4,080 second-feet Oct. 24 (gage height, 6.29 

reet); minimum, 22 second-feet Oct. 18, 19.

1943-47: Maximum discharge, that of Oct. 24, 1946; minimum recorded, 16 second-feet 

Oct. 8, "9, 1943, Aug. 22, 23, 24, 1945.

Remarks.- Records good except those for periods of no gage-height record, which are fair. 

No diversion or regulation.

Rating tables, water year 1946-47, except period of lee effect

(gage height, In feet, and discharge, in second-feet)

(Shifting-control method used Sect. 9-30)

Oct. 1-24 Oct. 25 to Sept. 3O

1.1 £0 2.0 246 3.5 1,330 0.7 37 1.7 257 

1.3 43 2.3 394 4.0 1,780 .9 63 2.0 377 

1.5 81 2.6 586 4.2 1,960 1.1 97 2.3 528 

1.7 135 3.0 896 1.3 139 2.6 707 

1.5 192 3.0 975

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

36 

28 

25 

31 

45

31 

34

38 

30 

28

26 

25 

25 

25 

24

23 

23

23 

27 

531

330 

234

268 

1,890 

2,220

664 

419 

314 

264

226 

237

Nov.

287 

233 

211 

233 

243

247 

226 

201 

189 

198

175 

164 

156 

149 

142

137 

175 

223 

181 

159

146 

380 

857 

551 

869

891 

 1,210

791 

682 

539

Dec.

464 

824 

1,240 

1,520 

1,160

817 

804 

905 

875 

2,300

2,260 

1,010 

817 

752 

597

454 

368 

343 

314

302

373 

469 

368 

322 

302

302 

283 

250 

233 

217 

211

Jan.

198 

181 

172 

172

170

159 

152 

149 

154 

432

368 

294 

b240 

*b!50 

b!6O

b!70 

186 

217 

243 

211

310 

584 

1,530 

2,310 

1,480

1,130 

676 

485 

391 

330 

287

Feb.

297 

1,170 

579 

429 

360

326 

310 

310 

290 

279

373 

1,020 

1,610 

2,730 

1,340

771 

556 

449 

364 

330

326 

326 

318 

310 

279

254

233 

208

Month Secondfoot-days

Goto 

Hove 

Deoe

Ca

Janu 

Febr 

Marc 

Apri 

Hay 

June 

July 

Augu 

Sept

Wa

mber . ....................

lendar year 194 

ary

h

8,144 

10,845 

21,456

127,791

1 ......... ....

ember .....................

13,691 

16,147 

9,191 

10,343 

6,942 

5°, 521 

3,595 

1,807 

3,736

ter year 1946-47 .......... 111,418

Mar.

198 

186 

254 

230 

198

184 

175 

172 

184 

344

539 

382 

322 

334 

391

454 

479 

459 

419

382

382 

373 

298 

283 

243

214

195 

186 

198 

250 

283

Maximum

2,22C 

1,210 

2,300

2,300

2,310 

2,730 

539 

954 

386 

472 

228 

92 

562

2,730

Apr.

377 

322 

264

237 

226

243 

233 

240 

247 

364

306 

272 

298 

351 

368

347 

373 

485 

954 

639

415 

334 

294 

283 

272

294 

330 

314 

343 

318

May

360 

386 

322 

276 

264

298 

310 

279 

261 

230

211 

214 

195 

175 

172

184 

175 

172 

230 

201

186 

175 

184 

201 

208

204 

201 

184 

170 

159 

15E

Minimum

23

137 

211

21

149 

208 

172 

226 

155 

120 

76 

42 

42

23

June

145 

170 

162 

165 

165

184

170 

156 

264 

195

167 

156 

145 

140 

135

172 

230 

170 

159 

154

145 

135 

125 

120 

120

294

472 

287 

230 

189

Mean

263 

362 

692

350

442

577 

296 

345 

224 

184 

116 

58.3 

125

305

3.5 

4.0 

4.5

5.0

1947

July

170 

156 

150 

140 

130

125 

120 

115 

110 

110

145

f!78 

f!46 

110 

100

95 

90 

88 

85 

82

80 

80 

78 

78 

78

78 

76 

228 

162 

113 

99

Per 

square 

mile

4.78 

6.58 

12.6

6.36

8.04 

10.5 

5.38 

6.27 

4.07 

3.35 

2.11 

1.06 

2.27

5.55

1,360 

1,780 

2,230 

2,730

Aug.

92 

84

79 

74 

73

69 

68 

66 

65 

63

62 

63 

6O 

57 

55

55

53 

52 

52 

50

49 

48 

48 

47 

47

44 

43 

42 

42 

52 

53

Sept.

47 

44 

42 

45

60

53

208 

149

562 

306

198 

159 

. 137 

124 

115

159 

149 

124 

113 

103

97 

93 

90 

86 

84

83 

79 

77 

76 

74

Runoff

Inches

5.51 

7.33 

14.51

86.41

9.26 

10.92 

6.21 

6.99 

4.69 

3.73 

2.43 

1.22 

2.53

75.33

Acre-feet

16,150 

21,510 

42,560

253,500

27,160 

32,030 

18,230 

20,520 

13,770 

10,950 

7,130 

3,580 

7,410

221,000

Peak discharge.- Oct. 24 (ll p.m.) 4,080 sec. -ft.; Dec. 11 (2 a.m.) 3,530 sec. -ft.; Jan. 24

(5 a.m.) 3,530 sec.-ft.; Feb. 14 (l p.m.) 3,030 sec.-ft.

 Winter discharge measurement made on this day.

b Stage-discharge relation affected by Ice.

f Computed on basis of partly estimated gage-height record.

Note.- No gage-height record May 31 to June 2, June 4, 5, 7, June 13-15, 21-25, July 3-11, 14-27; 

discharge computed on basis of records for Bacon Creek near Marblemount and Day Creek near Lyman.
SKAGIT RIVER BASIN 1 

Alder Creek near Hamilton, Wash.

Location.- Water-stage recorder, lat. 48°32', long. 121°57', in N? sec. 18, T. 35 N., R. 

7 K., at railroad trestle, three-quarters of a mile upstream from mouth and 2 miles 

east of Hamilton. Prior to Jan. 8, 1947, at datum 1.47 feet higher.

Drainage area.- 8.8 square miles.

Records available.- August 1943 to September 1947.

Extremes.- Maximum discharge during year, 404 second-feet Dec. 11; maximum gage height, 

3.00 feet Jan. 25; minimum discharge, 7.9 second-feet Oct. 1-4, 12, 13, 15-20.

1943-47: Maximum discharge, 458 second-feet Jan. 7, 1945 (gage height, 4.28 feet, 

datum then In use); minimum, 6.3 second-feet Seat. 4-12, 1944.

Remarks.- Records good except those above 70 second-feet and for periods of shifting 

control, which are fair, and those for period of no gage-height record, which are 

poor. No diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23

24 

25

26 

27 

28 

29 

30 

31

Oct.

8.2 

7.9 

8.2 

10.5 

9.1

8.6 

9.1 

8.6 

8.2 

8.2

8.2 

7.9 

8.2 

8.6 

7.9

7.9 

7.9 

7.9 

8.6 

13.5

11.5 

11 

14 

70 

109

56 

38 

29 

26 

22 

24

Nov.

31 

26 

24 

22

20

20 

19 

18.5 

19 

24

20 

19 

18.5 

17.5 

17

16.5 

25 

31 

24 

21

19 

24 

38 

41 

63

73 

74 

66 

69 

62

Dec.

54 

52

60 

66 

66

59 

55 

59 

76 

172

126 

76 

58 

58

55

47 

41 

40 

38 

36

35 

39 

37 

36 

36

a36 

a35 

a35 

a34 

hS4 

a32

Jan.

a27 

a24 

a23 

322 

323

a22 

a21 

22 

22 

41

36 

32 

29 

23 

22

22 

22 

31 

33 

31

52 

100 

226 

220 

257

182 

128 

102 

80 

64 

57

Feb.

64 

106 

73 

63 

58

53 

51 

50 

47 

45

52 

74 

95 

140 

122

98 

82 

68 

60 

55

59 

55 

51 

48 

45

43 

40 

38

Month SecondMontn foot-days

Octc 

Hove 

Dece

Ca

Jam. 

Febi 

Marc 

Apr: 

May 

June 

Julj 

Augi 

Sep1

Hi

mber ...................... 3

583.7 

962 

,683

lendar year 1946 ......... 12,456.4

ary . . . . i

ember .....................

,996 

,835 

,200 

,148 

732 

534 

430 

315 

349.5

iter year 1946-47 .......... 11,768.2

teak discharge.- C

392 sec. -ft.; Feb. J 

3 No gage -height t 

f Computed on has: 

h Computed from st 

Note.- Shifting -co 

Sept. 4.

Mar.

35 

34 

47 

38 

35

33 

33 

32 

34 

38

82 

68 

58 

51 

46

43 

40 

38 

36 

34

35 

33 

33 

33 

f30

30 

29 

28 

28 

33 

33

Maximum

109 

74 

172

172

257 

140 

82 

79 

35 

26 

19 

11 

20

257

Apr.

33 

31 

2S 

30 

31

35 

31 

30 

32 

40

39 

37 

35 

33 

31

30 

30 

35 

79 

76

60 

52 

45 

41 

38

35 

32 

30 

33 

35

May

35 

32 

30 

29 

28

28 

27 

28 

28 

27

26 

24 

25 

24 

24

23 

22 

23 

24 

22

22 

21 

20 

19

18

18 

17 

17 

17 

17 

17

June

17 

19 

17 

16.5 

16.5

16.5 

16.5 

19 

23 

19.5

17 

16.5 

16.5 

15.5 

15.5

19 

17 

16.5 

16 

15.5

15.5 

15 

15 

15

14.5

26 

25 

22 

21 

19.5

Minimum Mean

7.9 18.8 

16.5 32.1 

32 54.3

7.9 34.1

21 64.4 

38 65.5 

28 38.7 

29 38.3 

17 23.6 

14,5 17.8 

11.5 13.9 

9.8 10.2 

9.8 11.6

7.9 32.2

ct. 24 (11:45 p.m.) 181 sec . -f t . ; Dec. 11 (1 a.m.) 4C 

4 (3:30 p.m.) 150 sec. -ft., 

ecord; discharge computed "on basis of records for Daj 

s of partly estimated gage-height record, 

aff-gage readings, 

ntrol method used Oct. 26 to Jan. 25, Feb. 2-10, Mar

July

19 

18 

17 

16.5 

16

15.5 

15.5 

15 

15 

14.5

15 

15.5 

14.5 

14 

14

14 

13 

13 

13 

12.5

12 

12 

12 

11.5 

11.5

11.5 

11.5 

12.5 

12 

11.5 

11.5

Per 

square 

mile

2.14 

3.65 

6.17

3.88

7.32 

7.44 

4.40 

4.35 

2.68 

2.02 

1.58 

1.16 

1.32

3.66

Au*.

11 

10.5 

10.5 

10 

10.5

10.5 

10.5 

10.5 

10.5 

10.5

10.5 

10 

10 

10 

10

10 

10 

10 

10 

10

10 

10 

10 

10 

9.8

9.8 

9.8 

9.8

10 '

1C. 5

Sept.

10 

9.8 

9.8 

9.8 

10.5

10.5 

14.5 

14 

20 

15.5

14.5 

12.5 

12 

11.5 

11

14 

14 

12 

11 

11

11 

10.5 

10.5 

10 

10

10 

10 

10 

9.8 

9.8

Rrnoff

Inches

2.47 

4.07 

7.11

52.64

8.44 

7.75 

5.07 

4.85 

3.09 

2.26 

1.82 

1.33 

1.48

49.74

Acre-feet

1,160 

1,910 

3,340

24,720

3,960 

3,640 

2,380 

2,280 

1,450 

1,060 

853 

625 

693

23,350

4 sec. -ft.; Jan. 25 (6 p.m.) 

Creek near Lyman.

25 to May 4, Ma;' 24 to
182 SKAGIT RIVER BASIN

Day Creek near Lyman, Wash.

Location.- Water-stage recorder, lat. 48°30'05", long. 1SS°OS'40", in NW£ sec. 28, T. 35 

Pf., K. 6 E., at county highway bridge, three-quarters of a mile upstream from mouth 

and 2j miles southeast of Lyman.

Drainage area.- 38.1 square miles.

Records available.- July 1943 to September 1947.

Extremes.- Maximum discharge during year, 4,530 second-feet Oct. 24 (gage height, 8.12 

feet); minimum, 16 second-feet Oct. 4 (gage height, 0.78 foot).

1943-47: Maximum discharge, that of Oct. 24, 1946; minimum discharge, 5.9 secondfeet Feb. 1, 1945; minimum gage height, 0.64 foot Aug. 23, 24, 1945.

Remarks.- Records fair. No diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

26 

20 

18 

79 

56

37 

95 

64 

46 

40

36 

32 

30 

41 

34

30 

27 

26 

103 

714

256 

220 

364 

2,120 

1,560

516 

271 

168 

127 

103 

191

Nov.

229 

133 

110 

124 

139

138 

116 

94 

85 

128

96

77

61 

56

51 

183 

182 

105 

83

68 

438 

885 

472 

904

630 

844 

550 

497 

313

Dec.

210 

408

1,610 

1,800 

738

602 

738 

755 

683 

2,790

2,400 

912 

663 

554 

397

282 

220 

187 

161 

157

247 

347 

210 

168 

150

154

140 

119 

108 

101 

97

Jan.

90 

80 

77 

74 

77

73 

68 

73 

75 

614

247 

167 

130 

101 

97

97 

119 

244

185 

139

767 

1,180 

2,160 

1,920 

1,380

726 

397 

299 

233 

196 

167

Month

Octo

Nove 

Dece

Ca

Janu 

Febr 

Hare 

Apri 

May 

June 

July 

Augu 

Sept

Wa

her .......................

mber ......................

lendar year 1946 

a.ry .

1 .........................

st ........................

ember .....................

ter year isi6 -47 ..........

Feb.

254 985- 

343

241 

200

176 

167 

163 

152 

152

301 

1,110 

1,720 

2,310 

857

453 

325 

260 

218 

193

236 

285 

266 

220 

182

161 

145 

136

Second 

foot-days

7,450 

7,857 

18,108

105,039

12,252 

12,211 

8,341 

10,464 

3,731 

5,596 

2,857 

1,270 

2,905

93,042

Mar.

128 

124 

417 

247 

176

152 

144 

139 

192

767

596 

343 

287 

301 

319

325 

310 

276 

247 

225

347 

282 

202 

244 

210

174 

156 

154 

165 

318 

374

Maximum

2,120 

904 

2,790

2,790

2,160 

2,310 

767 

1,880 

301 

1,210 

215 

56 

780

2,790

Apr.

615 

331 

233 

202 

210

236 

228 

501 

392 

554

340 

268 

279 

282 

266

244 

263 

578 

1,880 

506

293 

215 

182 

165 

156

167 

167 

167 

276 

268

Hay

301 

263 

189 

156 

147

156 

149 

139 

14O 

120

112 

108 

99 

94 

91

105 

91 

120 

147 

113

101 

91 

94

92 

87

82 

77 

71 

66 

64 

62

Minimum

18 

51 

97

13

68 

137 

124 

156 

62 

60 

61 

32 

25

18

June

60 

68 

63 

65 

64

72 

75 

151 

580

180

138 

119 

108 

99 

94

216 

180 

139 

128 

114

103 

96

91 

86 

82

1,210 

563 

287 

202 

163

Mean

240 

262 

584

288

395 

436 

269 

349 

120 

187 

92.2 

41.0 

96.8

255

July

140 

127 

117 

112 

105

100 

97 

92 

90 

86

111 

215 

127 

100 

94

86 

80 

74 

72 

68

66 

63 

62

61 

61

61 

59 

115 

87 

68 

61

Pe" 

square 

mile

6.30 

6.88 

15.3

7.56

10.4 

11.4 

7.06 

9.16 

3.15 

4.91 

2.42 

1.08 

2.54

6.69

Aug.

56 

54 

51 

49 

47

46 

45 

44 

44 

44

42

41 

41 

40 

39

39 

38 

37 

36 

36

35 

35 

35 

34 

33

33 

32 

32 

32 

49 

51

Sept.

41 

37 

35 

41 

47

45 

312 

238 

780 

193

123 

95 

80 

70 

64

79 

75 

62 

56 

54

50 

49 

46 

44

41

36 

32 

29 

26 

25

Runoff

Inches Acre-feet

7.27 14,780 

7.67 15,580 

17.68 35,920

102.53 208,300

11.96 24,300 

11.92 24,220 

8.14 16,540 

10.21 20.760 

3.64 7,400 

5,46 11,100 

2.79 5,670 

1.24 2,520 

2.84 5,760

90.82 184,600

Peak discharge.- Oct. 24 (10 p.m.) 4,530 sec. -ft.; Dec. 10 (11 p.m.), 4, 100 sec. -ft.; Feb. 14

(1 a.m.) 3,100 sec.-ft.
SKAGIT RIVER BASIN 183

East Pork Nookachamps Creek near Clear Lake, Wash.

Location.- Staff gage, lat. 48°25'25", long. 122°12'45", In NE^ sec. 19, T. £4 N., R. 5 

K. , at highway bridge 3 miles south of Clear Lake and 3j miles upstream from mouth.

Drainage area.- 19.2 square miles.

Records available.- July 1943 to September 1947.

Extremes.- Maximum discharge during year not determined (gage height, above 10 feet 

about Oct. 25, from observer's note); minimum not determined, but may have occurred 

during period of doubtful gage-height record in July or August.

1943-47: Maximum discharge, 2,710 second-feet Oct. 25, 1945 (gage height, 10.3 

feet, from high-water mark), from rating curve extended above 500 second-feet; minimum observed, 0.1 second -foot July 8, 9, 1944.

Remarks . - Records fair except those for periods of doubtful gage-height record, which are 

poor. Gage read twice daily. Several small diversions for Irrigation and municipal 

use.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

3.9

3.7

15.5

17

9.0

5.6

6.6

21

7.4

5.6

5.3

5.6

13

30

14.5

9.0

6.3

5.6

8.4

157

71

25

51

1,080

735

120

43

36

59

25

27

Nov.

25

31

22

22

37

32

25

20

72

59

35

29

27

25

21

19

19

32

57

64

52

268

805

700

220

157

148

167

138

120

-

Dec.

157

167

198

198

177

148

148

220

256

980

805

335

364

167

157

103

75

66

54

49

54

51

47

45

42

46

43

38

36

33

32

Jan.

30

27

29

26

25

22

21

21

21

281

138

112

90

74

67

57

49

198

138

112

198

335

1,080

665

500

220

112

74

58

46

44

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ........ .............

March ........... .......... .

April .........................

May . . ........................

June ............ .............

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

82

408

86

67

57

51

47

45

42

36

53

438

148

243

67

54

43

39

36

46

242

80

42

25

22

19

16.5

14.5

_

-

Secondfoot-days

2,622.0

3, ±48

5,291

32,851.4

4,870

2 550 0

l)593.0

4,515

1,351.5

2,067.5

4P0.9

206.5

1,360.0

30,365.4

Mar.

12.5

10

36

72

54

44

32

24

15.5

138

95

52

28

21

21

25

28

32

30

29

112

120

68

43

35

31

28

27

29

92

209

Maximum

1,080

805

980

1,080

1,080

438

209

805

157

469

35

378

1,080

Apr.

232

198

100

103

167

74

97

281

220

188

129

112

101

95

92

81

82

805

268

129

112

103

92

64

43

120

78

148

120

81

-

May

69

59

52

45

40

36

32

30

157

112

84

35

28

27

25

31

69

90

59

45

40

34

29

25

22

16.5

14

13

12

11

10

Minimum

3.7

19

32

1.0

21

14.5

10

43

10

10

7

3.5

2.5

2.5

June

10

20

11

13

11

12

13

43

378

120

103

64

47

32

22

103

57

32

26

18.5

13

15

19

19

17

469

198

95

49

38

Mean

84.6

115

171

90.0

157

91.1

51.4

150

43. 6

isis

6 66

45.3

83.2

July

30

23

18

16

14

13

12

11

11

11

17

35

25

20

17

15

13

12

11

10

9

8

.5

68

21

8.4

7

Per 

square 

mile

4.41

5.99

8.91

4.69

8 18

4i?4

2 68

7 .81

2 '.27

3 59

.823

347

2.36

4.33

Aug.

6.5

6.5

6

6

6

6

5.5

5.5

6

6

6

5.5

5.5

5

4.5

4.5

4.5

4

4

4

4

4

4

4

3.5

3.5

3

3.5

3.5

4

5

30

Sept.

16

13

15

29

25

220

35

129

378

232

95

25

10

6.0

7.4

38

15

12

9.6

7.4

6.6

6.0

5.0

4.8

4.1

3.7

3.7

3.3

2.9

2.5

-

Runoff

Inches

5.08

6.68

10.25

63.63

9 43 4)94

3 .09

8 75

2 62

4 .00

. 95

.40

2.63

58.82

Acre feet

5,200

6,840

10,490

65,140

9,660

5,060

3,160

8 , 960

2 , 680

4,100

974

410

2,700

60,230

Mote.- Doubtful gage-height record Bay 12, 13, Bay 27 to June 7, July 1-27, July 31 to Sept. 3; 

discharge computed on basis of records for Day Creek near Lyman. Discharge computed from graph 

based on gage readings Oct. 23-25, Nov. 22, 23, Dec. 9-11, Jan. 10, 21-24, Feb. 1, 2, 12, 13, Apr. 

17-19, June 9, 26, 27, Sept. 4, 6-9.

903681 O- 50 - 13
5AMISH RIVER BASIN

Samish River near Burlington, Wash.

Location.- Water-stage recorder, lat. 48°32'35", long. 122°20'25", in NEi sec. 7, T. 35 

N., R. 4 E., at highway bridge half a mile downstream from Friday Cre^k and 5 miles 

north of Burlington.

Drainage area.- 88 square miles.

Records available.- July 1943 to September 1947.

Extremes.- Maximum discharge during year, 2,750 second-feet Dec. 11 (gags height, 7.67 

1'eet); minimum, 24 second-feet (regulated) Aug. 29 (gage height, 1.31 feet).

1943-47: Maximum discharge, 4,310 second-feet Oct. 25, 1945 (gage height, 9.78 . 

feet); minimum recorded, 18 second-feet July 16, 1944, but may have b^en less during 

period of no gage-height record.

Remarks.- Records good except those for periods of shifting control, which are fair. 

State fish hatchery on Friday Creek diverts about 4 second-feet which is returned 

above station. Tnere is evidence of slight regulation and may be some pumping for 

irrigation.

Rating tables, water year 1946-47, except periods of shifting control 

(gage height, In feet, and discharge, In second-feet)

Oct. 1 to Dec. 11 Dec. 12 to S^pt. 30

1.4 27 2.5 215 5.O 1,240 1.3 22 2.6 252 5 

1.5 35 2.7 275 5.5 1,480 1.5 45 2.9 331 5 

1.7 55 3.0 379 6.0 1,730 1.7 75 3.2 420 6 

1.9 83 3.5 578 7.3 2,480 1.9 111 3.5 525 6 

2.1 119 4.0 795 2.1 ISO 4.O 720 

2.3 163 4.5 1,020 2.3 190 4.5 925

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

29 

29 

29 

36 

40

34 

41 

43

37 

35

34 

32 

32 

40 

37

34

33 

36 

44 

67

88 

67 

67 

284 

492

253 

161

130 

115 

113 

104

Nov.

145 

138 

115 

108 

104

102 

102 

100 

97 

161

138 

119 

108 

100 

95

92 

138 

260 

199 

152

132

183 

336 

269 

244

282 

350 

428 

343 

295

Dec.

250 

241 

238 

238 

221

207 

202 

318 

467 

1,280

2,480 

1,510 

1,110 

840 

660

525 

420 

357 

318 

301

312 

405 

331 

285 

264

272 

274 

£39 

220 

206 

202

Jan.

194 

180 

168 

162 

170

178 

166 

158 

158 

338

366 

326 

277 

226 

222

220 

224 

486

660 

580

700 

1,040 

1,610 

1,910 

1,510

1,260 

880 

660 

542 

472 

378

Feb.

390 

880 

720 

525 

438

384 

343 

315 

288 

270

285 

384 

366 

560 

525

369 

296 

270 

237 

226

299 

315 

285 

254 

234

218 

208 

198

Month Second- 

"ontn foot-days

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Hare 

Apri 

May 

June 

July 

Augu 

Sept

Wa

mber ......................

lender year 1946 

ary

1 ................ ^ .......

ember .....................

2,616 

5,435 

15,193

98,730

16,421 

10,082 

8,686 

8,790 

3,498 

2,101 

1,283 

962 

1,236

ter year 1946-47 .......... 76,303

Peak discharge.- I

Note.- Shlfting-cc

Mar.

188 

184 

387 

331 

252

232 

234 

224 

243 

304

620 

508 

405 

348 

320

293 

274 

254 

239 

230

252 

274 

250 

252 

232

218 

206 

198 

192 

257 

285

Maximum

492 

428 

2,480

2,480

1,910 

880 

620 

831 

226 

194 

75 

37 

96

2,480

Apr.

304 

326 

274 

304 

290

290 

264 

315 

331 

301

282 

257 

243 

232 

222

210 

208 

239 

831 

720

420 

307 

250 

224 

204

192 

178 

166 

194 

212

May

226 

202 

178 

158 

144

136 

126 

132 

166 

148

128 

120 

113 

109 

107

106 

100 

106 

119 

104

97 

89 

86 

80 

72

65 

59 

56 

56 

55 

55

Minimum

29 

92 

202

26

158 

198 

184 

166 

55 

41 

29 

25 

26

25

June

55 

61 

62 

59 

56

55 

55 

62 

88 

70

61 

56 

51 

48 

45

'59 

62 

56 

62 

53

49 

46 

44 

41 

41

167 

194 

144 

111 

88

Mean

84.4 

181 

490

270

530 

360 

280 

293 

113 

70.0 

41.4 

31.0 

41.2

209

July

75 

65 

62 

59 

56

52 

49 

48 

45 

43

43 

46 

44 

41 

40

38 

37 

35 

34 

32

31 

30 

30 

29 

29

30 

30 

35 

35 

31 

29

Per 

square 

mile

0.959 

2.06 

5.57

3.07

6.02 

4.09 

3.18 

3.33 

1.28 

.795 

 470 

.352 

.468

2.38

0 1,160 

5 1,410 

0 1,670 

5 1,970

Aug.

29 

31 

30 

30 

30

29 

29 

£8 

31 

28

34 

35 

37 

35 

35

37 

37 

35 

33 

31

31 

30 

30 

29 

29

£8 

27 

26 

25 

31 

32

Sept.

29 

27 

26 

30 

37

33 

65 

49 

96 

84

59 

48 

41 

38

37

49 

51 

43 

38

35

34 

34 

33 

32 

32

32 

31 

31 

31 

31

Runoff

Inches

1.11

2.30 

6.42

41.73

6.94 

4.26 

3.67 

3.71 

1.48 

.89 

.54 

.41 

.52

32.25

Acre-feet

5,190 

10,780 

30,130

195,800

32,570 

20,000 

17,230 

17,430 

6,940 

4,170 

2,540 

1,910 

2,450

151,300

ec. 11 (8:30 a.m.) 2,750 sec. -ft. j Jan. 24 (10, 10:30 a.m.) 2,030 sec. -ft. 

ntrol method used Oct. 1-24, Mar. 11 to Apr. 22.
SAMISH RIVER BASIN 185

Friday Creek near Burlington, Wash.

Location.- Water-stage recorder, lat. 48 0 34 I 2S", long. 122°20'15", in NE^-NE^ sec 31, T. 

36 fl., R. 4 E., if miles upstream from mouth and 6 miles north of Burlington.

Drainage area.- 37.1 square miles.

Records available.- August 1943 to September 1947.

Extremes.- Maximum discharge during year, 825 second-feet Dec. 11 (gage height, 4.03 fe^t) 

minimum, 2.2 second-fee_t Aug. 8, Sept. 3 (gage height, -0.01 foot).

1943-47: Maximum discharge observed, 1,090 second-feet Oct. 25, 1945 (discharge 

measurement); minimum observed, 1.3 second-feet Sept. 9, 1944.

Remarks.- Records good except those for period when float was frozen, which are poor. 

Some regulation and possibly some diversion at low flow; purpose unknown.

Rating table, water year 1946-47 (gage height, in feet,

and discharge, in second-feet) 

(Shifting-control method used Nov. 17 to Jan. 27, Mar. 3, to Apr. 19)

0.0 2.5 0.8 27 1.7 112 2.5 262 

.2 5.1 1.0 40 1.9 142 3.0 397 

.4 10 1.3 66 2.1 179 3.5 575 

.6 17 1.5 87 2.3 219 4.O 780

Discharge, in seoond-feet, water year-October 1315 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

2.8 

2.5 

2.5 

3.5 

3.7

3.0 

4.7 

5.5 

5.1 

4.9

5.3 

3.7 

3.7 

7.6 

5.9

4.9

3.8 

9.7 

1-2 

17

17 

14 

16

44 

45

34 

30 

27 

26 

27 

24

Nov.

32 

28 

26 

24 

22

22 

23 

23 

23 

45

34 

29 

26 

24 

23

22 

43 

88 

62 

49

41

58 

91 

73 

66

70 

74 

76 

74 

69

Dec.

65 

65 

61 

56 

54

54 

55 

92 

139 

322

716 

482 

427 

343 

274

227 

191 

164 

149 

137

134 

137 

126 

116 

108

113 

116 

102 

91 

83 

80

Jan.

76 

e70 

e65 

e'60 

e60

e65 

e62 

e60 

58 

146

142 

142 

123 

elOO 

e95

e90 

elOO 

234 

305 

295

329 

430 

634 

758 

614

518 

394 

324 

264 

227 

189

Feb.

189 

326 

271 

232 

203

177 

158 

140 

128 

119

116 

122 

115 

142 

136

125 

116 

109 

103 

100

134 

137 

125 

112 

102

95 

88 

83

Mnnt.h Seoond-

"ontl1 foot-days

Octc 

Hove 

Deoe

Ca

Jam; 

Febi 

Marc 

Apri 

May 

June 

Julj 

Augu 

Sept

We

mber ...................... 5

lendar year 1946 

i&ry ....

......--- 31

. . . 7

ember .....................

415.8 

,360 

,279

,884.9

,029 

,003 

,928 

,021 

,000.5 

2'56 . 5 

137.8 

191.1 

216.9

ter year 1946-47 .......... 25,838.6

Mar.

77 

74 

142 

128 

107

95 

99 

95 

108 

125

156 

151 

118 

107 

98

91 

87 

78 

73 

68

79 

88 

83 

88 

77

70 

64 

60 

57 

101 

104

Uaximus

45 

91 

716

716

758 

326 

156 

247 

78 

25 

10 

12 

11

'' 758

Apr.

113 

116 

99 

115

109

106 

99 

107 

106 

97

88 

82 

75 

71 

66

61 

59 

68 

247 

222

155 

119 

102 

91

84

77 

71 

68 

70 

78

Hay

78 

70 

63 

56 

51

47 

44 

43 

45 

41

37 

34 

32 

31 

29

28 

27 

30 

37 

27

24 

23 

22 

19 

15

11 

8.1

7.3 

7.3 

6.9 

6.9

June

6.9 

7.8 

7.3 

6.4 

6.2

5.9 

6.4 

7.3 

12 

8.4

6.9 

6.2 

5.7 

5.1 

5.1

7.8 

7.3 

6.6 

7.3 

5.9

5.1

4.5 

4.2 

4.0 

4.2

24 

25 

20 

15 

12

Minimum Mean

2.5 13.4 

22 45.3 

54 170

2.3 87.4

58 227 

83 143 

57 94.5 

59 101 

6.9 32.3 

4.0 8.55 

2.6 4.45 

2.4 6.16 

2.3 7.23

2.3 7O.8

Peak discharge.- Dec. 11 (6:30 a.m.) 825 see. -ft.; Jan. 24 (9 to 10:3O

July

10 

8.6 

8.1 

7.3 

6.9

6.2 

5.5 

5.1 

4.7

4.3

4.3

4.7 

4.5 

4.0 

4.0

3.7 

3.5 

3.3 

3.3 

2.9

2.9 

2.7 

2.7 

2.6 

2.7

2.9 

2.9 

4.0 

3.7 

3.0 

2.8

Per 

square 

mile

0.361 

1.22 

4.58

2.36

6.12 

3.85 

2.55 

2.72 

.871 

.230 

.120 

.166 

.195

.1.91

a.m.) 7

Aug.

2.8 

2.5 

2.5 

2.5 

2.7

2.5 

2.5 

2.4 

5.3 

3.1

9.7 

11 

12 

11 

11

11 

11

9.7 

8.6 

7.8

7.3 

6.9 

6.4 

5.9 

5.7

5.5 

5.3 

4.2 

3.3 

4.5 

4.5

Sept.

3.0 

2.6 

2.3 

2.7 

2.9

3.0 

8.1 

4.9 

7.8 

9.7

9.7 

9.4 

8.9 

8.6 

8.6

11 

9.4 

8.4 

8.6 

8.1

8.1

8.4 

8.4 

8.1 

7.8

.8 

.8 

.6 

.6 

.6

Runoff

Inches

0.42 

1.36 

5.29

31.95

7.05 

4.01 

2.94 

3.03 

1.00 

.26 

.14 

.19 

.22

25.91

Acre-feet

825 

2,700 

10,470

63,240

13,940 

7,940 

5,810 

5,990 

1,980 

509 

273 

379 

430

51,250

30 sec. -ft. j Apr-. 19

(4 p.m.) 407 sec.-ft.

e Float frozen; discharge computed on basis of records for Samish River near Burlington.
186 WHATCOM CREEK BASIN

Whatcom Creek below hatchery, near Bellingham, Wash.

Location.- Water-stage recorder, lat. 48°45'10", long. 122°25'40", in NW£SE£ sec. 28, T. 

3ts N., R. 3 E., in Whatcom Falls Park, seven-eighths of a mile downstream from Lake 

Whatcom and 2 miles east of Bellingham.

Drainage area.- 56 square miles.

Records available.- October 1945 to September 1947.

Extremes (regulated).- Maximum discharge during year, 638 second-feet Jan. 27, 28 (gage 

Height, 4.3 feet); minimum, 2.5 second-feet Oct. 14, 21.

1945-47: Maximum discharge, that of Jan. 27, 28, 1947; minimum, that of Oct. 14, 

21, 1946.

Remarks.- Records fair. Flow completely regulated by Lake Whatcom (usable capacity, about 

2H7BUO acre-feet under normal operating conditions,). City of Bellingham diverts about 

30 second-feet from lake for municipal supply.

Cooperation.- Gage-height record collected in cooperation with city of Bellingham.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27

£8 

29 

30 

31

Oct.

3.5 

3.9 

3.5 

3.9 

3.9

3.9 

3.9

3.5 

3.5 

3.5

3.2

3.5 

2.8 

3.2

2.8 

3.0 

2.8 

3.2 

3.5

3.2 

4.5 

3.5 

4.2 

3.5

4.5 

4.2 

3.9 

4.2 

4.5 

4.8

Nov.

5.2

5.2 

5.5 

5.2 

5.2

4.8

5.2 

5.2 

5.5 

5.5

5.8 

5.5 

5.2 

5.2 

5.5

5.5 

6.5 

19 

51 

51

a51 

f65 

111 

149 

149

151 

153 

155 

155 

155

Dec.

155

128 

77 

36 

35

35 

35 

80 

193 

273

406 

422 

422 

422 

422

406 

390 

390 

374 

365

343

328 

309 

294

274

262 

251

223 

a210 

a200

Jan.

alOO 

alO

10 

10 

10

9.5

10 

' 8.5 

6.2 

16

.0 

. 5 

.0 

.0 

a .0

f33

101 

108 

106 

136

200 

326 

456 

562 

600

619 

638 

638 

619 

600 

581

Feb.

562

600 

600 

581 

562

544 

SOS 

490 

264 

56

53 

53 

51

51 

50

50 

50 

86 

122 

99

90 

89 

89 

89 

87

85 

84 

84

Month

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl 

Mav

June 

July 

Augu 

Sept

Wa

lendar year 194e

ter year 1946-47 ...............

Mar.

84 

84 

85

85 

85

84

85 

87 

89 

90

90 

139 

241 

238

236

236 

236 

236 

233

231

228 

177 

135

135 

56

f8.0

7.0 

6.5 

7.0 

7.5 

7.5

Apr.

7.0

6.5 

6.5 

7.0 

6.5

6.5 

6.5 

6.5

6.5 

7.0

6.5 

7.0 

6.5 

7.0 

6.2

6.5 

6.2

7.0 

7.5 

7.5

7.0 

6.5 

26 

124 

172

172 

174 

149 

303 

300

Secondfoot-days

113.2 

1,506.7 

7,996

38,273.5

6,548.7 

6,129 

3,748.5 

1,567.9 

658.1 

204.0 

227.5 

219.5 

164.5

29,083.6

May

294

165 

7.5 

7.0

7.0

7.5 

7 .5 

8.5 

8.0 

7.5

7.5 

7.0 

6.5 

6.5 

7.0

7.0 

6.2 

5.8 

5.8 

5.8

6.5 

8.9 

6.5 

6.2 

6.2

7.0 

6.5 

6.5 

6.5 

6.5 

6.2

Maximum

4.8 

155 

422

526

638

600 

241 

303 

294

10 

8.0 

11

6.2

638

June

6.5

7.0 

7.0 

7.5 

7.0

6.5 

6.5 

6.2 

10 

6.5

5.8 

5.8 

5.8 

5.8 

6.2

6.5 

5.8 

5.8 

5.8 

6.5

7.0 

7 .O 

7.5 

8.0 

8.0

7.5 

7.0 

7.0 

7.5 

7.0

July

7.5

.5 

.5 

.5 

.5

.5 

.5 

.5 

.0 

.5

.5 

.5 

.5 

.5 

.0

.0 

.5

.5 

.0 

.O

.0

.0 

.0 

.0

:o

.0 

.0 

.5 

.5 

.0 

.0

Minimum

2.8 

4.8 

35

2.8

6.2 

50 

6.5 

6.2 

5.8 

5.8 

7.0 

5.2 

4.8

2.8

Aug.

.O

.0

.0 

.5 

.5

.O

.0 

.0 

.5 

.0

.O

.0 

.0 

.0 

.0

.0 

.0

.0

.0

.0 

.0

1

{ .0 

.0

.0

.2 

.8 

.8 

.5 

.5 

.2

Mean

3.65 

50.2 

258

105

211 

219 

121 

52.3 

21.2 

6.80 

7.34 

7.08 

5.48

79.7

Sept.

5.2 

5.2 

5.2 

5.2

5.2

5.2 

5.5 

5.5 

5.5 

5.5

5.2 

5.2 

5.2 

4.8 

4.8

4.8 

4.8 

f4.8 

f5.5 

5.8

5.8 

5.8 

6.2 

6.2 

6.2

5.8 

6.2 

6.2 

6.2 

5.8

Runoff In 

acre-feet

225 

2,990 

15,860

75,930

12,990 

12,160 

7,440 

3,110 

1,310 

405 

451 

435 

326

57,700

No gage-height record; discharge computed on basis of records for Whatcom Lake near Bellingham. 

f Computed on basis of partly estimated gage-height record.
NOOKSACK RIVER BASIN 187

Nooksaek River above Cascade Creek, near Glacier, Wash.

Location.- Water-stage recorder, lat . 48°54'20", long. 121°50'50", in NW£ se?. 1, T. 39 

N. , K. 7 E. , a quarter of a mile upstream from Cascade Creek, half a mile downstream 

from Dead Horse Creek, 4j miles east of Glacier, and 6 miles upstream from Glacier 

Creek.

Drainage area.- 105 square miles.

Records available.- October 1937 to September 1947.

Extremes.- Maximum discharge during year, 6,100 second-feet Oct. 24 (gage height, 7.60 

feet) , from rating curve extended above 1,900 second-feet; minimum, 198 sscond-feet 

Jan. 14 (gage height, 1.46 feet).

1937-47: Maximum discharge, 9,670 second-feet Oct. 28, 1937 (gage height, 10.28 

feet), frnm rating curve extended above 2,000 second-feet; minimum recordsd, 85 secondfeet (regulated) Mar. 30, 1938.

Revisions. - The maximum discharge for the water year 1946 has been revised to 8,490 

socona-reet Oct. 25, 1946 (gage height, 8.66 feet), superseding figure published in 

Water-Supply Paper 1062.

Remarks . - Records fair. 

Excelsior .

No diversion. Some regulation at low flow by powe-" plant at

Revisions . - Revised figures of discharge for the water year 1946, superseding those 

published in Water -Supply Paper 1062, are given herewith.

Discharge, In second-feet, 1345-47 

1945-46

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

293

226

309

282

266

301

301

309

314

326

330

314

301

322

322

392

305

244

266

227

174

282

248

3,870

6,690

3,770

1,460

978

850

990

1,150

Nov.

945

790

996

1,520

1,010

820

712

596

580

552

497

450

445

934

1,350

850

712

700

607

514

460

465

519

652

850

820

760

706

682

580

-

Dec.

596

563

955

912

912

880

760

596

465

416

369

334

314

305

290

270

260

250

250

250

?60

280

300

300

300

300

347

782

978

760

682

Jan.

634

664

530

618

530

420

670

514

416

374

338

334

326

322

318

352

411

450

430

383

383

420

397

435

397

360

347

334

314

293

289

Feb.

285

280

270

270

270

270

260

250

240

230

220

210

210

220

230

240

250

250

250

250

250

293

338

1,170

900

596

712

670

_

-

-

Har.

546

546

416

369

338

334

330

322

318

314

318

330

322

318

301

278

274

270

252

248

248

248

248

248

252

453

437

326

322

322

318

Apr.

314

305

301

297

285

278

259

266

259

278

519

524

574

502

486

580

634

706

850

754

652

524

450

568

850

1,190

912

820

880

736

-

Hay

634

712

1,040

1,350

1,270

1,150

1,310

1,520

1,620

1,620

1,480

1,520

1,230

1,080

1,010

1,150

1,480

1,620

1,570

1,710

1,920

2,240

2,020

2,360

2,530

2,360

2,130

1,860

1,570

1,350

1,440

June

1,620

2,080

2,190

1,810

1,620

1,440

1,230

1,270

1,390

1,440

1,350

1,440

1,760

2,530

2,020

1,520

1,520

1,760

2,140

2,360

2,240

1,810

1,350

1,270

1,230

1,150

1,080

1,010

1,150

1,390

-

July

1,760

1,920

1,570

1,350

1,480

1,520

1,520

J.,520

1,390

1,440

1,860

1,810

1,480

1,310

1,440

1,270

1,150

1,270

1,520

1,860

2,020

1,620

1,440

1,390

1,390

1,350

1,350

1,390

1,310

1,120

1,010

Aug.

1,120

1,010

978

1,040

1,040

1,120

820

790

850

912

880

790

730

718

748

742

682

712

820

880

820

790

790

742

718

748

748

730

694

629

585

Sept.

607

646

629

546

558

530

460

435

430

445

475

602

624

977

624

524

416

383

374

378

378

365

360

387

374

365

352

343

347

406

-
188 NOOKSACK RIVER BASIN

Discharge, in second-feet, of Nooksack River above Cascade River 

near Glacier, Wash., 1945-47--Continued

Daj

1

2

3

4

S

6

7

a

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

383

352

338

343

338

326

343

338

318

301

285

282

285

293

270

263

255

248

270

546

387

502

397

2,510

2,240

850

612

497

430

378

365

NOT.

356

314

305

318

318

322

509

289

282

274

259

255

255

255

252

248

248

248

248

248

248

381

718

440

435

450

900

712

596

486

-

Dec.

440

724

1,190

1,350

945

748

676

652

568

1,110

1 , 680

912

685

530

440

374

338

322

301

293

330

338

501

285

278

278

263

252

252

248

244

Jan.

238

234

234

230

230

224

214

217

217

259

241

230

220

204

224

230

220

227

220

217

241

305

683

1,520

1,040

850

618

502

416

365

326

Feb.

322

486

360

318

309

301

297

293

289

285

524

2,300

2,470

2,530

1,520

1,040

850

742

652

596

568

558

558

541

497

455

420

383

_

-

Mar.

360

347

365

326

309

297

289

274

278

314

369

360

343

387

492

646

790

820

790

790

820

790

700

629

568

508

465

460

502

563

602

Apr.

629

574

524

470

435

406

387

425

450

465

416

411

530

718

850

850

945

1,010

1,080

912

760

712

682

682

700

820

1,040

1,120

1,190

945

-

May

945

1,440

1,230

1,080

1,080

1,310

1,710

1,760

1,620

1,190

1,120

1,230

1,080

945

880

912

850

820

945

1,040

1,120

1,120

1,270

1,710

2,020

2,190

2,300

2,020

1,660

1,480

1,350

June

1,310

1,350

1,270

1,270

1,230

1,310

1,310

1,660

1,810

1,440

1,190

1,150

1,230

1,120

1,010

1,720

1,710

1,440

1,350

1,120

1,040

1,120

1,230

1,390

1,310

2,120

1,620

1,150

1,010

978

-

July

1,080

1,150

1,080

1,010

1,080

1,040

945

945

945

978

1,150

2,770

1,520

1,190

1,350

1,040

1,010

1,120

1,080

978

912

850

760

718

670

624

618

912

730

700

748

Aug.

820

850

820

790

632

640

618

596

563

502

486

508

541

590

596

563

524

486

425

387

378

378

383

425

465

465

475

492

497

640

536

Sept.

497

492

480

688

524

406

694

541

1,010

585

475

465

430

378

360

455

365

347

338

318

374

460

492

455

465

445

440

465

425

416

-

Peak discharge.- Oct. 24 (10 p.n 

(12 m.) 3,250 sec.-ft.

6,100 sec.-ft.; Feb. 14 (1 p.m.) 2,890 sec.-ft.; July 12

Monthly discharge, in second-feet, 1945-47

Month

March. ........................

April.. .......................

May. ..........................

July. .........................

March.........................

May...........................

Seocndfoot-days

26,512

22,074 

15,236

257,125

13,003 

9,884 

10,166 

16,553 

47,916 

48,170 

45,830 

25,376 

14,340

295,060

15,545 

10,969 

17,347

275,099

11,396 

20,464 

15,553 

21,138 

41,427 

39,968 

31,703 

17,121 

1 4/285

256,916

Maximum

6,690 

1,520 

978

6,690

670 

1,170 

546 

1,190 

2,530 

2,530 

2,020 

1,120 

977

6,690

2,510 

900 

1,680

2,530

1,520 

2,530 

820 

1,190 

2,300 

2,120 

2,770 

850 

1,010

2,770

Minimum

174 

445 

250

151

289 

* 210 

248 

259 

634 

1,010 

1,010 

585 

343

174

248 

248 

244

210

204 

285 

274 

387 

820 

978 

618 

378 

318

204

Mean

855 

736 

491

704

419 

353 

328 

552 

1,546 

1,606 

1,478 

819 

478

808

501 

366 

560

754

368 

731 

502 

705 

1,336 

1,332 

1,023 

552 

476

704

Per 

square 

mile

8.14 

7.01 

4.68

6.70

3.99 

3.36 

3.12 

5.26 

14.7 

15.3 

14.1 

7.80 

4.55

7.70

4.77 

3.49 

5.33

7.18

3.50 

6.96 

4.78 

6.71 

12.7 

12.7 

9.74 

5.26 

4.53

6.70

Runoff

Inches

9.39 

7.82 

5.40

91.07

4.61 

3.50 

3.60 

5.86 

16.97 

17.06 

16.23 

8.99 

5.08

104.51

5.51 

3.89 

6.14

97.44

4.04 

7.25 

5.51 

7.49 

14.67 

14.16 

11.23 

6.06 

5.06

91.01

Acre-feet

52,590 

43,780 

30,220

510,000

25,790 

19,600 

20,160 

32,830 

95,040 

95,540 

90,900 

50,330 

28,440

585,220

30,830 

21,760 

34,410

545,630

22,600 

40,590 

30,850 

41,930 

82,170 

79,280 

62,880 

33,960 

28,330

509,590
NOOKSACK RIVER BASIN

Nooksack River at Deming, Wash.

Location.- Water-stage recorder, lat. 48°48'35", long. 122°12'15", In lot 12, sec. 6, T. 

38 ti., R. 5 E., 800 feet downstream from South Fork and 1 mile southeast of Deming. 

Datum of gage Is 203.6 feet above mean sea level, datum of 1929.

Drainage area.- 580 square miles.

Records available.- July 1935 to September 1947. September to December 1910 (gage heights 

only) at site 1 1/8 miles downstream; December 1910 to March 1911 (gage heights only) 

at Nugent's bridge, 4 miles downstream from Deming.

Average discharge.- 12 years (1935-47), 2,951 second-feet.

Extremes.- Maximum discharge during year, 29,900 second-feet Oct. 25 (gage height, 13.13 

Teetj; minimum, 795 second-feet Oct. 18, 19 (gage height, 3.77 feet).

1935-47: Maximum discharge, 38,000 second-feet probably Oct. 25, 1945 (gage height, 

14.74 feet, from high-water mark In gage well), from rating curve extended above 25,000 

second-feet; minimum, 560 second-feet Nov. 9, 10, 1936, but may have been less sometime during periods of ice effect.

Remarks.- Records good except those for periods of no gage-height record, which are fair.

No diversion. Some regulation at power plant at Excelsior has little if any effect at

this station. 

Rating table, water year 1946-47 (gage height, In feet,

and discharge, In second-feet)

(Shifting-control method'used Oct. 26 to Feb. 13, 

May 30 to June 25 )

3.7 

3.9 

4.2 

4.5 

5.0

Discharge, in E

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16

17 

18 

19 

20

21 

22 

23 

24 

25

26

27 

28 

29 

30 

31

Oct.

1,050 

944 

894 

1,000 

1,080

951 

1,050 

1,070 

951 

906

870 

858 

852 

912 

864

828 

810 

805 

858 

2,840

2,660 

1,760 

2,020 

11,300 

16,200

5,560 

3,550 

2,540 

2,140 

1,840 

a2,300

NOT.

al,90o 

al,600 

al,500 

al,500 

al,600

al , 600 

al,650 

al,400 

al,3oo

dl,400

al,300

al!200 

1,130 

1,100

1 , 060 

1,190 

1,430 

1,190 

1,090

1,060 

1,800 

4,690 

3,130 

3,240

4,220 

5,460 

5,060 

3,880 

3,030

'Dec.

2,350

4,690 

7,260 

6,990 

5,430

3,880 

3,340 

4,450 

3,770 

12,200

18,500 

8,380 

6,070 

5,060 

4,340

3,550 

3,030 

2,830 

2,540 

2,440

2,930 

3,880 

3,030 

2,640 

2,440

2,440 

2,350 

2,020 

1,900 

1,770 

1,740

760 5.5 2,930 9. 

870 6.0 3,990 10. 

1,070 6.5 5,180 11. 

1,340 7.0 6,460 

2,000 8.0 9,270

second-feet, water year October

Jan.

1

1 

1 

1

1

1 

1 

1 

1 

2

2 

2

1 

1 

1

1 

1 

2 

2 

2

3

6 

11 

15 

9

7 

5 

4 

3 

2 

2

Mcnth

Ooto 

Hove 

Deoe

Ca

Janu 

Febr 

Hare 

Apr! 

May 

June 

July 

Augu 

Sept

ffa

mber ......................

lendar year 1946 .........

ary

1 .........................

ember .....................

ter year 1946-47 ..........

Peak discharge.- Oct. 25 (2 a

,660 

,510 

,440 

,380 

,400

420 

380 

360 

370 

830

640 

170 

860 

580 

470

580 

530 

120 

,350 

000

550 

070 

200 

500 

580

530 

180 

100 

340 

930 

440

Feb.

2,640 

6,990 

4,220 

3,240 

2,830

2,540 

2,350 

2,260 

2,120 

2,020

2,930 

7,810 

9,890 

15,500 

9,940

6,460 

5,060 

4,220 

3,660 

3,340

3,340 

3,440 

3,440 

3,240 

2,930

2,640 

2,440 

2,260

Secondfoot-days

72,263 

62,960 

138,240

1,239,689

106,470 

123,750 

92,200 

113,220 

136,810 

120,890 

79,470 

41,780 

44,850

1,132,903

liar.

2,120> 

2,000 

2,730 

2,440 

2,170

1,980 

1,900 

1,840 

1,810 

2,350

4,100 

3,240 

2,830 

3,030 

3,440

3,990 

4,340 

4,340 

4,100 

3,880

4,100 

4,340 

3,440 

3,130 

2,730

2,440 

2,260 

2,170 

2,260 

2,930 

3,770

Maximum

16,200 

5,460 

18,500

18,500

15,500 

15,500 

4,340 

8,090 

5,940 

6,720 

5,060 

1,970 

5,120

18,500

Apr.

3,990 

3,550 

2,930 

2,640 

2,440

2,350 

2,260 

2,730 

2,830 

3,130

2,730 

2,440 

2,830 

3,550 

4,100

3,990 

4,450 

5,300 

8,090 

6,200

4,450 

3,770 

3,440 

3,240 

3,240

3,660 

4,450 

4,570 

5,300 

4,570

0 12,600 

0 16,300 

0 20,300

1946 to September

May

4,690 

5,940 

4,930 

4,220 

3,990

4,690 

5,560 

5,560 

5,940 

4,690

3,990 

4,100 

3,660 

3,130 

2,930

3,030 

2,930 

2,830 

3,990 

3,770

3,770 

3,660 

4,100 

4,930

5,560

5,810 

5,940 

5,560 

4,690 

4,340 

3,880

Minimum

805 

1,060 

1,740

805

1,360 

2,020 

1,810 

2,260 

2,830 

2,830 

1,450 

1,030 

1,000

805

June

3,660 

3,880 

3,660 

3,770 

3,440

3,990 

3,770 

4,690 

6,460 

5,060

3,880 

3,440 

3,440 

3,240 

2,830

4,100 

4,810 

4,100 

4,220 

3,340

2,930 

2,930 

3,130 

3,550 

3,440

6,710 

6,720 

4,690 

3,770 

3,240

Mean

2,331 

2,099 

4,459

3,396

3,435 

4,420 

2,974 

3,774 

4,413 

4,030 

2,564 

1,348 

1,495

3,104

.m.) 29,900 sec. -ft.; Dec. 11 (3 a.ra.) 26,

1947

July

3,340 

3,440 

3,130 

2,830 

2,930

2,930 

2,540 

2,350 

2,350 

2,350

2,640 

5,060 

3,990 

3,240 

3,340

2,730 

2,640 

2,830 

2,730 

2,440

2,260 

2,050 

1,870 

1,740 

1,650

1,520 

1,450 

2,020 

1,810 

1,580 

1,690

Per 

square 

mile

4.02 

3.62

7.69

5.86

5.92 

7.62 

5.13 

6.51 

7.61 

6.95 

4.42 

2.32 

2.58

5.35

600 sec

Aug.

1,870 

1,970 

1,940 

1,840 

1,640

1,510 

1,470 

1,430 

1,420 

1,330

1,250 

1,260 

1,320 

1,370 

1,430

1,350 

1,300 

1,260 

1,140 

1,070

1,040 

1,040 

1,030 

1,060 

1,120

1,120 

1,130 

1,130 

1,170 

1,430 

1,340

Sept.

1,220 

1,210 

1,190 

1,440 

1,460

1,130 

2,380 

1,710 

5,120 

2,950

1,780 

1,510 

1,380 

1,220 

1,160

1,490 

1,350 

1,110 

1,040 

1,000

1,060 

1,200 

1,260 

1,210 

1,220

1,210 

1,210 

1,240 

1,210 

1,180

Runoff

Inches

4.63 

4.04 

8.86

79.48

6.83 

7.93 

5.91 

7.26 

8.77 

7.75 

5.10 

2.68 

2.88

72.64

Acre-feet

143,300 

124,900 

274,200

2,459,000

211,200 

245,500 

182,900 

224,600 

271,400 

239,800 

157,600 

82,870 

88,960

2,247,000

-ft.; Jan. 24 (8:30

a.m.) 19,000 sec.-ft.; Feb. 14 (5:30 p.m.) 17,000 sec.-ft.

a No gage-height records discharge computed on basis of records for station near Lynden.
190 NOOKSACK RIVER BASIN

Nooksack River near Lynden, Wash.

Location.- Water-stage recorder, lat. 48°55'10", long. 122°29'10", in NE^NE^ sec. 36 T.

 40 «., R. 2 E., 150 feet dovmstream from bridge on State Highway IB, 1 5 miles upstream 

from Fishtrap Creek, 2 miles southwest of Lynden, and 12 miles upstream from mouth.

Drainage area.- 636 square miles.

Records available.- December 1944 to September 1947.

Extremes.- Maximum discharge during year, 26,000 second-feet Dec. 11 (gage height, 19.68

 i'eet); minimum, 980 second-feet Oct. 19 (gage height, 5.76 feet).

1944-47: Maximum discharge, 44,500 second-feet Oct. 26, 1945 (gage height, 21.58 

feet); minimum, that of Oct. 19, 1946.

Remarks.- Records good. No diversion. Slight regulation by power plant at Excelsior.

 Diurnal fluctuation due to melting snow in summer.

Rating table, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

. 5.8 l.OOO 8.O 2,780 12. O 9,080 

6.0 1,100 8.5 3,370 14.0 13,000 

6.5 1,410 9.0 4,020 16.0 17,300 

7.O 1.8OO 10.0 5,520 18.2 22,400 

7.5 2,260 11.0 7,210

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

1,180 

1,120 

1,080 

1,080 

1,210

1,100 

1,120 

1,210 

1,120 

1.O8O

1,050 

1,020 

1,020 

1,050 

1,050

1,020 

1,000 

l.OOO 

1,000 

1,550

3,280 

1,840 

2,070 

5,800 

19,500

6,670 

3,760 

2,670 

2,160 

1,890 

2,620

Nov.

1,980 

1,720 

1,560 

1,560 

1,680

1,680 

1,720 

1,520 

1,440 

1,560

1,440 

1,340 

1,300 

1,240 

1,210

1,150 

1,240 

1,560 

1,380 

al,200

al,150 

al,800 

4,440 

3,250 

2,890

3,890 

4,530 

5,520 

4,020 

3,370

Dec.

2,670 

4,100 

6,890 

7,570 

6,340

4,440 

3,760 

4,590 

3,890 

11,200

22,300

11,000

7,030 

5,360 

4,590

3,630 

3,010 

2,720 

2,510 

2,360

2,510 

3,630 

3,010 

2,560 

2,310

2,260 

2,260 

1,980 

1,800 

1,720 

1,720

Jan.

al,7OO 

al,600 

al,500 

1,380 

1,380

1,380 

1,340 

1,340 

1,340 

2,200

2,840 

2,210 

1,840 

1,640 

al,550

al,600 

al,550 

1,810 

2,510 

2,O2O

2,920 

5,670 

12,100 

18,900 

12,000

9,650 

6,170 

4,590 

3,760 

3,250 

2,840

Feb.

a3,100 

7,390 

5,040 

3,630 

3,130

2,840 

2,620 

2,460 

2,360 

2,260

2,610 

7,140 

10,200 

16,000 

12,900

7,570 

5,520 

4,440 

3,760 

3,370

3,370 

3,500 

3,500 

3,250 

3,010

2, 720 

2,560 

2,410

Month SecondMontn foot-days

Octo 

Move 

Dece

Ca

Janu 

Febr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

Wa

lendar year 1946 

ary

1 31 '

11

h Q

1 ........ ............... 11

13

19

1

ember ................... . 4

1,320 

1,340 

5,720

3,310

3,580 

?,660 

5,150 

5,360 

7,330 

1,890 

3,660 

5,770 

,740

ter year 1946-47 ........ . 1,169,520

Mar.

2,260 

2,160 

2,620 

2,720 

2,360

2,160 

2,120 

2,020 

1,980 

2,310

3,760 

3,500 

3,010 

2,950 

3,250

3,760 

4,160 

4,300 

4,020 

3,890

3,890 

4,440 

3,630 

3,250 

2,840

2,560 

2,360 

2,260 

2,260 

2,720 

3,630

Maximum

19,500 

5,520 

22,300

22,300

18,900 

16,000 

4,440 

7,560 

6.OOO 

8,510 

4,590 

1,980 

3,900

22,300

Apr.

3,890 

3,760 

3,130 

2,840 

2,560

2,510 

2,310 

2,560 

2,890 

3,010

2,950 

2,560 

2,670 

3,250 

3,890

4,020 

4,300 

4,890 

7,560 

7,390

4.89O 

3,890 

3.5OO 

3,250 

3,130

3,370 

4,160 

4,440 

5,200 

4,590

May

4,590 

5,840 

5,360 

4,440 

4,020

4,440 

5,520 

5,680 

6.OOO 

5,200

4,160 

4,160 

3,890 

3,250 

3,010

3,010 

3,010 

2,780 

3,630 

3,760

3,630 

3,630 

3,890 

4,590 

5,520

5,680 

6,000 

5,840 

4,740 

4,300 

3,760

Minimum

1,000

1,150 

1,720

1,000

1,340 

2,260 

1,980 

2,310 

2,780 

2,890 

1,640 

1,120 

1,120

1,000

June

3,630 

3,760 

3,760 

3,630 

3,500

3,760 

3,630 

4,160 

6,170 

5,680

4,300 

3,500 

3,500 

3,250 

2,890

3,250 

5,200 

4,160 

4,440 

3,630

3,010 

2,950 

3,010 

3,370 

3,630

4,560 

8,510 

5,520

4,160 

3,370

Mean

2,397 

2,145 

4,701

3,615

3,761 

4,738 

3,005 

3,779 

4,430 

4,063 

2,570 

1,412 

1,558

3,204

Peak discharge.- Oct. 25 (9:45 a.m.) 25,500 sec. -ft.; Dec. 11 (12 m.)

1947

July

3,250 

3,370 

3,130 

2,720 

2,780

2,780 

2,560 

2.3SO 

2.3SO 

2.3SO

2,410 

3,650 

4,590 

3,37O 

3,250

2,950 

2,6*0 

2,730 

2,720 

2.4SO

2,380 

2,160 

2, 0*0 

1,890 

1,810

1,720 

1,640 

1,910 

2,120 

1,730 

1,800

Per 

square 

mile

3.77 

3.37 

7.39

5.68

5.91 

7.45 

4.72 

5.94 

6.97 

6.39 

4.04 

2.22 

2.45

5.04

Aug.

1,840 

1,940 

1,980 

1,890 

1,720

,600 

,560 

,520 

,480 

,440

,340 

,340 

,380 

,410 

,440

,410 

,380 

,340 

,240 

,180

1,150 

1,120 

1,120

1,150 

1,180

1,210 

1,210 

1,210 

1,210 

1,340 

1,440

Sept.

1,300 

1,270 

1,240 

1,270 

1,680

1,270 

1,980 

1,940 

3,900 

3,880

2,120 

1,720 

1,560 

1,380 

1,270

1,440 

1,520 

1,270 

1,180 

1,120

1,150 

1,240 

1,300 

1,270 

1,270

1,240 

1,240 

1,270 

1,240 

1,210

Runoff

Inches

4.35 

3.76 

8.52

77.15

6.82 

7.76 

5.45 

6.63 

8.03 

7.13 

4.66 

2.56 

2.73

68.40

26,000 sec. -ft.;

Acre-feet

147,400 

127,600 

289, OOO

2, 617, OOO

2 31.2OO 

263,100 

184,8OO 

224,800 

272,400 

241,800 

158, OOO 

86,820 

92,710

2,320,000

Jan. 24

(2:30'p.m.) 217400 sec.-ft.; Feb. 14 (lO:30 p.m.) 18,400 sec.-ft.

a No gage-height record; discharge computed on basis of records for station at Deming.
NOOKSACK RIVER BASIN 

South Fork Nooksack River near Wickersham, Wash.

191

Location.- Water-stage recorder, lat. 48°39'50", long. 122°07'50", in lot 2, sec. 26, T. 

37 w'.~7 R. 5 E., three-quarters of a mile upstream from Skookum Creek and 4 miles east 

of Wickersham.

Drainage area.- 103 square miles.

Records available.- October 1933 to September 1947.

Average discharge.- 14 years, 691 second-feet.

Extremes.- Maximum discharge during year, 15,600 second-feet Oct. S4 (gage height, 11.81 

reet}; minimum, 99 second-feet Oct. 3, 4 (gage height, 2.23 feet)'.

1933-47: Maximum discharge, that of Oct. 24, 1946; minimum, 66 second-feet Oct. 9, 

1940, Sept. 11-13, 1944.

Remarks.- Records fair. No diversion or regulation.

Discharge, in. second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

.10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oot.

112

106 

102 

154 

206

135 

224 

222 

156 

132

119 

117 

114 

150 

132

119 

114 

108 

168 

1,430

841 

512 

702 

6,290 

4,290

1,150 

664 

518 

451 

408 

427

Nov.

518 

413 

368 

377 

408

408 

408 

373 

351 

359

359 

327 

307 

285 

*266

256

277 

327 

239 

209

194 

334 

1,160 

676 

926

1,090 

1,660 

1,280 

987 

798

Dec.

585 

1,410 

2,170 

2,210 

1,640

1,220 

1,250 

1,540 

1,230 

5,710

5,890 

2,090 

1,490 

1,170 

978

791 

670 

608 

545 

518

696 

996 

709 

596 

545

545 

512 

451 

418 

413 

*390

Jan.

377 

b350 

b325 

b300 

b310

315 

304 

304 

307 

726

735 

567 

501 

437 

418

418 

390 

500 

585 

451

746 

1,850 

3,510 

5,550 

2,920

2,030 

1,280 

920 

722 

614 

523

Month

Octo 

Hove 

Decs

Ca

Jami 

Febl 

Hare 

Apr! 

Bay 

June 

July 

Augu 

Sept

Wa

lendar year 1946 

&ry . .

1 .........................

ember .....................

ter year 1946-47 ..........

Feb.

636 

2,260 

1,010 

756 

645

591 

545 

523 

496 

471

923 

2,440 

3,940 

6,340 

2,880

1,700 

1,240 

987 

791 

709

749 

791 

805 

756 

658

585 

534 

491

Secondfoot-days

20,373 

15,940 

39,986

275,272

29,285 

35,252 

24,017 

31,190 

27,075 

20,160 

10,906 

4,345 

8,124

266,653

Mar.

466

451 

608 

545 

466

432 

418 

404 

422 

770

1,330 

872 

742 

777 

936

1,120 

1,200 

1,190 

1,120 

1,060

1,130 

1,110 

835 

742 

651

573 

534 

550 

633 

850 

1,080

Maximum

6,290 

1,660 

5,890

6,290

5,500 

6,340 

1,330 

3,170 

1,440 

1,810 

927 

200 

1,780

6,340

Apr.

1,170 

904 

702 

602 

573

579 

539 

709 

763 

960

756 

683 

791 

987 

1,090

1,070 

1,140 

1,540 

3,170 

1,700

1,140 

978 

896 

880 

858

1,060 

1,190 

1,100 

1,440 

1,220

May

1,280 

1,440 

1,140 

944 

928

1,170 

1,290 

1,160 

1,290 

920

805 

835 

696 

573 

567

633 

596 

635 

978 

742

690 

683 

763 

896 

952

969

960 

777 

633 

602 

528

Minimum

102 

194 

390

102

300 

471 

404 

539 

528 

408 

200 

108 

108

102

June

507 

633 

562 

550 

507

573 

528 

777 

1,560 

749

573 

518 

518 

441 

408

786 

702 

591 

591 

491

446 

432 

441 

446 

432

1,810 

1,440 

923 

664 

556

Mean

657 

531 

1,290

754

945 

1,259 

775. 

1,040 

873 

672 

352 

140 

271

731

July

528 

507 

471 

413 

408

404 

368 

343 

335 

327

377 

927 

523 

404 

408

347 

327 

323 

304 

277

263 

249 

235 

229 

226

212 

200 

292 

260 

216 

203

Per 

square 

mile

6.38 

5.16 

12.5

7.32

9.17 

12.2 

7.52 

10.1 

8.48 

6.52 

3.42 

1.36 

2.63

7.10

Aug.

2OO 

197 

190 

184 

172

167 

156 

150 

158 

156

145 

142 

140 

132 

135

 135 

132 

128 

123 

121

117 

117 

114 

112 

110

108 

108 

108 

108 

140 

140

Sept.

119 

112 

108 

132 

158

145 

734 

355 

1,780 

665

359 

277 

242 

212 

197

277 

266 

209

184 

170

158 

150 

148 

145 

145

142

140 

135 

132 

128

Runoff

Inches

7.36 

5.76 

14.44

99.40

10.57 

12.73 

8.67 

11.26 

9.78 

7.28 

3.94 

1.57 

2.93

96.29

Peak discharge.- Oct. 24 (9:30 p.m.) 15,600 sec. -ft.; Dec. 11 (12:15 a.m.) 10,900 s*c,-

Acre-feet

40,410 

31,620 

79,310

546,000

58,090 

69,920 

47,640 

61,860 

53,700 

39,990 

21,630 

8,620 

16,110

528,900

ft.; Jan.

24 (5 a.m. ) 9,530 sec.-ft.; Feb. 13 (11:30 p.m.) 7,37O sec.-ft. 

* Winter discharge measurement made on this day. 

b Stage-discharge relation affected by ice.
192 UPPER COLUMBIA RIVER BASIN 

COLUMBIA RIVER MAIN STEM

Columbia River at Blrchbank, British Columbia 

(International gaging station)

Location.- Water-stage recorder, lat. 49°10', long. 117°43', at Blrchbank, British Columbia, 7 miles upstream from Trail, 11 miles downstream from Kootenai River, and 17 

miles upstream from international boundary. Datum of gage is 1,338.00 feet above mean 

sea level (levels by Geodetic Survey of Canada in 1930).

Drainage area.- 34,000 square miles.

Records available.- October 1937 to Seotember 1947. April 1913 to September 1937 at site 

at Trail, '/ miles downstream, published as Columbia River at Trail, Fritish Columbia.

Average discharge.- 34 years, 68,970 second-feet.

Extremes.- Maximum discharge during year, 236,000 second-feet June 14, 15; maximum gage 

height, 37.92 feet June 14; minimum discharge, 13,000 second-feet Jar. 15 (gage height,

1913-47: Maximum discharge observed, 312,000 second-feet June 14, 15, 1913 (gage 

height, 41.6 feet, site and datum then in use); minimum observed, 8,940 second-feet 

Feb. 3, 1937 (gage height, 6.27 feet, site and datum then in use).

Remarks.- Records excellent. Small diversions above station for irrigation. Fluctuation 

at low flow caused by power plant on Kootenai River. Flow affected ty partial regulation of Kootenai River in Kootenay Lake.

Cooperation.- This station is one of the international gaging stations maintained by Canaaa ander agreement with the United States.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

40 , 500

39,400

39,500

41,000

39,700

37,700

36,300

34,800

34,200

32,700

30,800

30,400

30,500

31,300

30,700

30,300

£8,900

£6,500

25,700

£7,500

30,600

28,400

£7,100

£7,300

£9,300

£8,000

29,100

30,700

£8, £00

£4,600

24, £00

Nov.

24,100

£3,700

£3,300

£3,100

££,600

22 , 600

££,300

£1,400

21,000

20,900

£0,700

£0,700

£0,500

20,400

£0,100

19,300

19,100

£1,100

£3, £00

21,500

£0,900

20,100

21,000

18,600

18,600

18,200

18, £00

18,600

19,700

21,200

*

Dec.

18,500

18,300

19,200

20,100

20,900

£0,500

20,000

19, SOU

£0,000

22,600

24,900

24,400

££,700

22, £00

22,300

£1,600

20,300

19,700

18,400

17,800

17,700

18,100

17,700

17,800

17,600

17,500

18,000

17,800

17,400

17,000

16,200

Jan.

16,100

16,100

16,500

16,400

16,000

16,000

15,900

14,700

15,900

16,100

15,400

14,900

16,600

17,300

15,700

16,800

17,000

16,100

16,200

16,100

17,600

20,000

20,800

21,900

20,500

19,500

£1,400

a24,800

a24,300

a23,800

a£3,300

Month

October .......................

November ......................

December ..................

Calendar year 1946 ....... .

January .......................

February ......................

March .........................

April .........................

May ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

322,800

a2£,200

a£l,700

a£ 1,200

320,700

a£0 , 200

18,600

17,600

17,200

17,100

17,100

17,400

20,000

22,700

£4,400

24,600

£3,400

23,700

23,600

23,900

2£,900

£1,500

£2,000

££,100

21,800

£1,800

22,600

22,700

_

-

-

Secondfoot-days

975,900

6£6,700

606,700

27,564,200

559,700

597,500

810,400

1,322,100

4,8£9,100

6,473,000

5,003,000

2,657,800

1,5££,500

£5,984,400

Mar.

22,600

£2,500

£3,300

24,400

23,500

21,*00

20 , 400

£0,500

20,200

22,400

£6,900

£7,800

26,400

£5,300

24,000

23,100

20,600

23, £00

25,600

£8,100

24,500

31,800

31,100

31,200

31,500

31,400

31,200

31,300

31,300

31, £00

31,700

Maximum

41,000

24,100

24,900

£67,000

24,800

24,600

31,800

195^000

£36 ,000

180,000

131,000

57,000

£36,000

Apr.

3£,100

32,700

33,200

33,500

33,800

34,000

34,40O

34,500

34,500

34,700

34,900

35,000

35,500

35,600

36,700

37,900

39,500

41,000

43,400

46,600

48,600

51,000

53,100

55, £00

57,100

59,200

6£,300

66,100

70,800

75,200

-

May

79,200

84,300

89,400

94,000

99,200

105,003

111,000

122,000

133,000

143,000

153,000

164,000

175,000

184,000

190,000

192,000

192,000

190,000

186,000

182,000

178,000

174,000

170,000

169,000

169,000

171,000

175,000

181,000

187,000

192,000

195,000

Minimum

24,200

18, £00

16, £00

14,000

14,700

17,100

20,200

3£,100

79,200

185,000

135,000

59 , 100

44,400

14,760

June

200,000

206,000

212,000

216,000

222,000

224,000

226,000

227,000

228/000

230,000

232,000

234,000

235,000

236,000

236,000

234,000

230,1)00

226,000

222,000

220,000

215,000

210,000

206,000

200,000

196,000

193,000

193,000

191,000

188,000

185,000

-

Mean

31,500

20,90O

19 , 600

75,520

18,100

21,300

26,100

44,100

156,000

216,000

161,000

85, 700

50,800

71,200

July

180,000

177,000

174,000

172,000

170,000

169,000

168,000

169,000

169,000

168,000

168,000

166,000

164,000

163,000

164,000

165,000

166,000

167,000

166,000

164,000

162,000

160,000

158,000

155,000

152,000

149,000

145,000

142,000

139,000

137,000

135,000

Per 

square 

mile

0.93

.61

.58

'^.22

.53

.63

.77

1.30

4.59

6.35

4.74

2 « 52

1.49

2.09

Aug.

131,000

127,

123,

117,

DOO

500

DOO

109,000

106,000

102,

99,

97,

DOO

500

100

95,000

93,200

90,

87,

85,

300

300

700

8£,600

80,200

78,

76,

73,

too

300

soo

72,100

71,500

71,

68,

68,

200

400

100

67,700

66,900

65,

64,

63,

6£,

iOO

300

500

BOO

59,100

Sept.

53,300

52,400

53,100

53,200

53,700

54,400

54 , 400

54,500

53,600

54,800

56 , 400

56,600

57,000

55,000

54,000

52,800

50,900

 x9,600

48,300

46 , 400

44,600

44,400

46,200

45,800

45.5OO

46 , 300

45,800

45,300

46,800

47,400

~

Runoff

Inches

1.07

.68

.67

30.13

.61

.66

.89

1 .45

5.29

7.09

5.47

2.91

1.66

28.45

Acre-feet

1,936,000

1,243,000

1,203,000

54,670,000

1,110,000

1,185,000

1,607,000

2,622,000

9,578,000

12,840,000

9,923,000

5,272,000

3,020,000

51,540,000

a Ho gage-height record; 

Columbia.

discharge computed on basis of records for station at Trail, British
COLUMBIA RIVER MAIN STEM 193

Columbia River at international boundary 

(International gaging station)

Location.- Water-stage recorder, lat. 4&°00'03", long. 117°37'40", in SE^ se~. 4, T. 40 

N., R. 41 E., at international boundary, half a mile downstream from Pend Oreille 

River. Auxiliary water-stage recorder 2.2 miles downstream. Datum of ga^e is at mean 

sea Ipvel (Bureau of Reclamation 1937 datum).

Drainage area.- 59,700 square miles.

Records available.- March 1938 to September 1947.

Extremes.- Maximum discharge during year, 324,200 second-feet June 14 (elevation, 1,324.05 

reet); minimum not determined, fall not available; minimum elevation, 1,232.80 feet 

Nov. 16.

1938-47: Maximum discharge, 360,200 second-feet June 6, 1946 (elevation, 1,326.08 

feet); minimum, 20,700 second-feet Mar. 9, 1944 (elevation, 1,289.91 feet).

Plow of about 12,900 second-feet occurred Jan. 30 or 31, 1?37, based on information 

from other gaging stations (elevation, 1,287.9 feet), from rating curve extended below 

1,291.6 feet); may have been as low sometime in January 1930.

Remarks.- Records excellent except those for periods of no gage-height record, which are 

fair. Discharge computed by using fall as determined by auxiliary water-stage recorder as a factor. Many diversions above gage for irrigation but quantity very small 

percentage of flow past gage. Some fluctuation at low flow caused by power olant on 

Kootenai River. Plow affected by regulation in Kootenai and Pend Oreille River Basins.

Cooperation.- This station is one of the international gaging stations maintained by the 

united States under agreement with Canada.

Discharge, in second feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

51,200

50,200

49,300

51,300

50,500

48,400

47,400

45,600

45,200

43,700

42,000

41,400

41,600

42,700

42,000

41,700

40,400

37,600

36,900

38,300

42,400

40,400

39,000

38,600

41,400

39,800

40,500

43,400

41,800

37,800

37,500

Nov.

37,500

37,200

36,900

36,900

36,500

36,500

36,200

35,300

35,500

34,400

24,300

34,400

33,900

33,500

33,300

32,200

31,800

33,200

36,800

35,900

36,800

34,200

36,000

34,500

34,200

34,000

34,200

35,000

36,100

37,500

-

Dec.

35,500

36,100

36,800

37,900

38,700

38,500

38,000

38,100

37,700

40,700

44,100

43,700

42,700

42,800

43,700

43,700

43,800

45,100

44,700

45,000

44,900

45,900

45,100

44 , SOO

45,600

44,400

44 , 600

44 , 500

44,100

43,100

41,700

Jan.

41,400

40,500

40,600

39,700

58,800

37,100

36,000

34,900

36,300

39,000

39,700

37,400

37,400

38,600

36,100

37,100

36,700

35,900

35,300

35,000

35,600

38,800

39,500

41,400

40,000

39,100

40 , 100

44,900

43,300

41,200

39,200

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March .........................

April ................... .....

May ...........................

June .............. ...........

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

37,600

38,600

37,100

37,600

38,900

40,000

38,500

37,500

37,400

37,100

36,700

36,900

39,300

42,900

45,600

46,400

45,400

46,000

46,200

46,400

46,100

44,600

45,600

45,700

46,000

46,300

47,300

47,100

_

_

-

Secondfoot-days

1,330,000

1,054,700

1,305,800

38,144,000

1,196,600

1,180,800

1,572,800

2,365,700

7 ,614 ,600

8,911,900

6 ,258 ,800

2,185,000

1,897,200

37,873,900

Mar.

37,300

46,900

47,600

48,800

48,000

45,600

44,500

43,900

43,700

44,800

49,300

51,200

49,500

48,600

46,600

46,100

43,800

45,700

48,200

52,000

47,600

56,900

56,400

57,000

57,400

58,200

58 ,400

58 , 900

59,100

60,100

60,700

Maximum

51,300

37 > 500

45,900

, , SOOV

44,900

47,300

30,700

125,300

32l|700

2*8 500

iseUoo

67,500

321,700

Apr.

61,500

62,200

62,500

63,300

63,300

63,700

63,900

64,000

64,200

64,500

64,500

64,800

65,200

65,800

67,500

69,200

71,300

73,800

77,800

B5 , 900

86,000

89,200

92 ,400

95,000

97,500

101,700

106,900

113,900

120,900

125,300

-

May

130,000

138,400

147,000

154.80C

164,000

175.00C

187, 50C

203, OOC

219, OOC

231, 90C

244,700

259,200

273, 90C

283, 80C

290, 50C

293,600

292,800

291,200

288,100

285,400

281,100

277,000

273,700

271,200

271,000

272,300

275,400

280,000

283,400

286,500

289,200

Minimum

36 , 900

31 ,800

35 ' 500

28,6*0

34,900

36,700

43,700

51,500

130,000

244,400

160,000

73,000

55,800^

31,800

June

293,100

297,700

301,700

304,200

306,900

309,800

311,800

311,800

314,200

317,400

318,100

318, 80C

320,400

321,700

320,000

317,500

313,700

309,100

305,500

301,100

296,000

289,900

282,600

276,600

270,500

264,900

£62,700

258,100

251,700

244,400

Mean

42,900

35,160

42 * 120

104,500

38,600

42,170

50,740

78 ,860

245,600

297,100

201 900

1021700

63,240

103,800

July

238,500

235,100

231,400

228,600

226,000

224,100

220,900

218,800

216,400

214,500

212,700

209, 3OO

206,900

204,500

204,000

203,600

204,000

203,400

201,700

197,900

195,000

192,600

189,600

186,400

182,100

177,600

173,300

169,900

166,600

163,400

160,000

Per

square 

mile

0.719

.589

.706

1.75

.647

 706

= 850

1 * 32

4^11

4.98

3

-JTQ Oo

1.72

1.06

1.74

Aug.

156

151

147

140,

131,

126

123,

120,

117,

115

112

109,

105,

102,

99,

95,

93,

91,

87,

85,

84,

84,

81,

80,

80,

79,

77,

77,

76,

75,

73,

400

200

200

200

800

900

800

400

600

000

300

800

400

300

100

800

400

600

400

700

900

300

000

900

200

500

800

600

600

900

000

Sept.

66,900

66,600

66,500

66,400

66,600

67,300

67,400

67,700

66,800

67,800

69,200

68 , 900

69,500

66,800

65,900

65,000

63,200

62,100

61,000

58,300

56,100

55,800

58,000

58,100

57,700

57,300

57,700

58,200

58,800

59,600

-

Runoff

Inches

0.83

.66

.81

2? .76

.75

.74

.98

1.47

4.74

5.55

3.90

1.98

1.18

23.59

Ac re- feet

2,638,000

2,092,000

2,590,000

75,660,000

2,373,000

2,342,000

3,120,000

4,692,000

15,100,000

17,680,000

12,410,000

6,217,000

3,763,000

75,120,000

Kote.- Ho auxiliary gage-height record Kov. 14-25; discharge computed on basis of base gage-height 

record. No base gage-height record Mar. 16-21j discharge computed on basis of auxiliary gage-height 

record and recorded range in stage.
194 COLUMBIA RIVER MAIN STEM

Franklin D. Roosevelt Lake at Grand Coulee Dam, Wash.

Location^- Water-stage recorder, lat. 47°57'20", long. 118°59'10'i, in lot 3, sec. 1, T 

^* N-7 R. 30 E., in block 12 of Grand Coulee Dam at Grand Coulee. Datum of gage is' 

mean sea level (levels by Bureau of Reclamation).

Drainage area.- 74,100 square miles.

Heeorcts available.- April 1938 to September 1947.

Extremes [regulated).- Maximum contents during year, 9,649,200 acre-feet July 16 (elevation, 1,289.93 feet); minimum, 9,279,900 acre-feet Nov. 18 (elevation, 1,285.45 

feet).

1938-47: Maximum contents recorded, 9,679,900 acre-feet July 17, 1942, June 3, 

1945 (elevation, 1,290.3 feet); minimum observed, 16,200 acre-feet AUK 29 1938 elevation, 956.1 feet).

Remarks.- Reservoir formed by concrete dam; construction of dam began in 1934, completed 

in 1941; storage began early in construction period. Capacity, 5,118,000 a'cre-feet 

between elevations 1,208 feet (proposed lower limit of operation) and 1,288 feet (top 

of gates) above mean sea level. Dead storage; 4,371,000 acre-feet. Figures given 

herein represent total contents. Water is used for power development and will be used 

for irrigation of Grand Coulee project of Bureau of Reclamation.

Cooperation.- Gage-height record and reservoir areas furnished by Bureau of Reclamation.

Capacity table (elevation, In feet, and contents, In acre-feet) 

(Prepared by Geological Survey on basis of 14 contour 

capacities furnished by Bureau of Reclamation)

1,200 3,989,000

1,210 4,469,000

1,220 4,978,000

1,230 5,520,000

1,240 6,096,000

1,250 6,714,000

1,260 7,376,000

1,270 8,084,000

1,280 8,840,OCO

1,290 9,655,000

1,300 10,495,OCO

Elevation at 8 a.m., in feet, water year October 1946 to September 1947

Day

1

2

3

4

6

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

86.79

86.79

36.82

86.89

86.87

86-70

86.49

86.45

86.42

86.43

86.38

86.19

85.89

85.59

85.65

85.67

85.68

85.65

85.60

85.59

85.60

85.65

85.62

85.62

85.65

85.77

85.76

85.74

85.85

85.93

85.95

Nov.

85.90

86.03

86.06

85.91

85.91

85.95

85.94

85.90

85.92

85.80

85.74

85.63

85.61

85.65

85.59

85.62

85.52

85.50

85.65

85.75

85.78

85.87

85.93

86.15

86.32

86.37

86.56

86.64

86.72

86.91

-

Dec.

86.90

86.97

86.80

86.60

86.57

86.72

86.83

86.88

87.05

87.13

87.32

87.68

88.05

88.18

88.27

88.26

88.18

88.21

88.31

88.42

88.40

88.48

88.54

88.21

88.20

88.18

87.98

87.82

87.71

87.71

87.76

Jan.

87.80

87.75

87.65

87.72

86.57

87.84

87.87

87.85

87.86

87.90

88.02

88.05

88.00

88.00

88.08

87.93

87.95

87.77

87.20

86.85

86.65

86.47

86.46

86.43

86.80

86.75

86.96

87.15

87.31

87.41

87.55

Feb.

87.59

87.29

87.29

87.32

87.42

87.55

87.66

87.56

87.46

87.46

87.40

87.31

87.17

87.16

87.11

87.22

87.23

87.48

87.54

87.58

87.61

87.54

87.40

87.40

87.51

87.50

87.50

87.54

_

-

-

Mar.

87.53

87.35

87.28

87.31

87.32

87.28

87.21

87.08

86.90

86.80

86.80

86.89

87.00

87.09

87.04

86.86

86.70

86.68

86.72

86.84

87.12

87.00

87.10

87.32

87.30

87.08

87.06

87.21

87.06

86.81

86.68

Apr.

86.70

86.75

87.02

87.17

87.22

87.12

87.02

86.80

86.68

86.74

86.82

86.82

86.98

87.17

87.26

87.45

87.63

87.75

87.93

88.27

88.53

88.44

88.60

88.59

88.49

88.53

88.41

88.47

88.66

88.82

Hay

88.86

88.86

89.12

89.39

89.71

89.78

89.84

89.79

89.83

89.79

89.70

89.82

89.78

89.86

89.66

89.62

89.69

89.64

89.66

89.64

89.49

89.38

89.36

89.53

89.74

89.68

89.65

89.65

89.72

89.73

89.68

June

89.76

89.74

89.75

89.77

89.74

89.80

89.71

89.72

89.73

89.90

89.80

89.80

89.71

89.74

89.83

89.73

89.66

89.75

89.64

89.75

89.71

89.70

89.66

89.68

89.68

89.80

89.77

89.77

89.74

89.70

-

July

89.71

89.74

89.73

89.91

89.73

89.70

89.74

89.66

89.77

89.80

89.81

89.77

89.78

89.75

89.79

89.88

89.86

89.78

89.70

89.72

89.69

89.72

89.73

89.74

89.68

89.67

89.70

89.60

89.72

89.64

89.75

Aug.

89.84

89.78

89.70

89.58

89.56

89.66

89.66

89.66

89.75

89.82

89.79

89.73

89.76

89.72

89.74

89.66

89.49

89.10

88.71

88.26

87.99

87.82

87.69

87.69

87.69

87.72

87.75

87.74

87.88

87.94

87.84

Sept.

87.57

87.38

87.39

87.37

87.42

87.49

87.47

87.46

87.49

87.42

87.53

87.57

87.62

87.68

87.62

87.72

87.72

87.64

87.53

87.42

87.26

87.02

86.92

86.93

87.00

87.10

87.21

87.31

87.36

87.T62

-

Note.- Add 1,200 feet to obtain elevation above mean sea level.

Monthly elevation and contents, water year October 1946 to September 1947

Date

Calendar year 1946..

Sept.SO. ..............

Water year 1946-47..

Elevation 

(feet)t

1 285 9

-

1,287.6

-

Contents 

(acre-feet)

-

9,456,200

-

Change in contents 

during month 

(acre-feet)

+114,800

-8,200

+65,600

t Elevation at 12 p.
COLUMBIA RIVER MAIN STEM 195 

Columbia River at Grand Coulee Dam, Wash.

Location.- Water-stage recorder, lat. 47°58'00", long. 118°58'45", opposite lot 4, sec.

 at>, T. 29 N., R. 30 E., In pier 3 of highway bridge 2,500 feet downstream from Grand

Coulee Dam and 14 miles upstream from Nespelem River. Datum of gage is at mean sea

level, datum of 1929. 

Drainage area.- 74,100 square miles. 

Records available.- April 1913 to September 1947 (monthly discharge only, Ap~il 1913 to

June xaaa, January 1924 to May 1928). 

Average discharge.- 34 years, 105,600 second-feet (adjusted for change In contents In

FranKiin u. Koosevelt Lake beginning October 1939). 

Extremes.- Maximum discharge during year, 354,000 second-feet (regulated) June 10 (ele-

 vation, 972.54 feet); minimum, 28,000 second-feet (regulated) Nov. 19 (elevation, 

9C5.25 feet).

1913-47: Maximum discharge, 492,000 second-feet June 15, 1913 (computed on basis 

of records of peak discharge at other gaging stations); minimum may have been less 

than 15,300 second-feet (estimated) in January or February 1937, when stare-discharge 

relation was affected by ice.

Maximum discharge known, 725,000 second-feet (estimated) during flood of June 1894.

Remarks.- Records excellent. Diversion above station for irrigation is small percentage 

or now past gage. Plow regulated by Franklin D. Roosevelt Lake (see preceding page) 

and reservoirs in Kootenai, Pend Oreille, and Spokane River Basins.

Rating table, water year 1946-47 (elevation, In feet, 

and discharge, In aecond-feet)

937.0 

9S8.0 

9S9.0 

940.0 

941.0 

942.0

35,400 

40.00O 

45,000 

50,200 

55,800 

61,600

944.0

946.0

948.0

950.0

952.0

954.0

74,000

87,300

101,000

117,000

133,000

150,000

957.0

960.0

963.0

966.0

969.0

972.0

177,000

207,000

239,000

274,000

313,000

353,000

Discharge, in second-feet, water year October 1946 tc September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

54,600 

53,700 

52,400 

53,600 

57 , 900

58,200 

53,300 

49,400 

49,500 

49 , 300

50,500 

56,500 

56 , 800 

48,200 

44,800

44,800 

55,900 

43,200 

42,100 

39,200

40,200 

40,400 

40,400 

39 , 800 

38,100

45,200 

43,700 

41,000 

39,900 

39,900 

40,400

Nov.

40,400 

37 , 200 

41 , 900 

41,600 

39,600

40,800 

39,60$ 

40,800 

43,800 

40,5ffO

41,600 

40,000 

39,600 

38,200 

37,800

37,900 

37,400 

36,600 

37 , 900 

40,600

42,000 

40,000 

39,000 

36,100 

42,200

41,600 

41,400 

43,800 

45,200 

48,700

Month

Ootc 

Hove 

Dece

Cal

Janu 

Febr 

Maro 

Apri 

May

June 

July 

Augu 

Sept

Wat

endar year 1946

ember. ..........

er year 1946-47

Dec.

49,300 

54,500 

52,500 

47,600 

39,400

39,000 

40,300 

40,000 

41,700 

41,000

38,300 

43,600 

49,200 

56,600 

66,200

66,100 

63,800 

65,300 

65,000 

70,200

69,500 

67,400 

66,300 

64,700 

64,500

66,200 

67,100 

60,200 

50,100 

48,400 

46,300

Jan.

54,800 

47,600 

42,400 

43,000 

40,400

43,200 

42,800 

40,100 

39,100 

41,800

44,000 

43,900 

44,300 

44,400 

44,200

43,600 

47 , 600 

56,400 

57 , 800 

51,100

50,400 

44,800 

43,100 

44,200 

50,600

51,800 

49,500 

46,600 

49,600 

49,500 

46,000

Feb.

54,400 

54,300 

50,400 

43,200 

43,000

44,600 

46,000 

49,400 

50,800 

48,200

46,800 

46,000 

50,900 

50,100 

58,100

52,200 

51,600 

52,300 

54,900 

56,800

56,200 

55,500 

61,600 

54,800 

55,700

55,100 

55,400 

55,900

Mar.

61,100 

61,200 

55,900 

58,600

57,600

55,600 

54,500 

60,500 

60,000 

54,200

54,900 

56,000 

54,600 

56,800 

60,600

61,000 

55,600 

54,700 

54,400 

53,000

58,400 

68,000 

68,000 

68,800 

77,500

74,500 

69,100 

72,400 

80,800 

80,500 

77,300

Observed

Discharge 

second f

Maximum

58,200 

48,700 

70,200

598,000

57,800 

61,600 

80,800 

156,000 

331,000) 

545,000 't 

243,000 1 

159,000 

79,200

345,000

Minimum

38,100 

36,100 

38,300

35,800

39,100 

43,000 

53,000 

69,900 

55,000 

Bl,000 

59,000 

73,500 

57,000

36,100

in

set

Mean

47,190 

40,460 

54,850

120,700

46,410 

51,940 

62,450 

95,510 

273,900 

315,400 

206,400 

106,800 

66,220

114,300

Runoff 

in

acre-feet

2,902,000 

2,408,000 

3,372,000

87,370,000

2,853,000 

2,884,000 

3,840,000 

5,683,000 

16,840,000 

18,770,000 

12,690,000 

6,566,000 

3,940,000

82,750,000

Apr.

73,600 

72,700 

69,900 

76,200 

85,600

89,800 

88,600 

84,900 

80,600 

77,300

77,400 

77,100 

79,200 

78,800 

75,900

78,000 

82,500 

82,900 

87,900 

97,400

108,000 

108,000 

113,000 

120,000 

118,000

121,000 

140,000 

130,000 

135,000 

156,000

Hay

155,000 

156,000 

162,000 

171,000 

188,000

200,000 

217,000 

235,000 

255,000 

274,000

281,000 

300,000 

303,000 

328,000 

331,000

326,000 

323,000 

324,000 

324,000 

318,000

313,000 

308,000 

300,000 

287,000 

300,000

301,000 

299,000 

298,000 

301,000 

306,000 

306 , 000

Change In

contents In 

Franklin D. 

Rooaevelt 

Lake 

(acre-feet)

-73,800 

+82,000 

+73,800

+114,800

-16,400 

-16,400 

-65,600 

+164,600 

+99,600 

-8,300 

+8,300 

-174,000 

-8,200

+65,600

June

310,000 

318,000 

321,000 

326,000 

326,000

329,000 

334,000 

331,000 

335,000 

345,000

344,000 

342,000 

340,000 

339,000 

342,000

343,000 

329,000 

331,000 

324,000 

320,000

315,000 

307,000 

300,000 

290,000 

279,000

276,000 

273,000 

270,000 

263,000 

261,000

July

243,000 

242,000 

241,000 

236,000 

231,000

226,000 

230,000 

223,000 

218,000 

219,000

218,000 

214,000 

212,000 

210,000 

203,000

203,000 

213,000 

213,000 

204,000 

203,000

198,000 

197,000 

193,000 

191,000 

188,000

181,000 

176,000 

172,000 

173,000 

166,000 

159,000

Aug.

159,000 

159,000 

151,000 

145,000 

132,000

128,000 

123,000 

117,000 

115,000 

114,000

115,000 

110,000 

107,000 

104 ,OOO 

100,000

102,000 

107,000 

107,000 

107,000 

103,000

95,200 

90,800 

86,100 

81,400 

79,000

79,600 

80,200 

76,800 

73,500 

77,900 

85,100

Sept.

79,200 

69,300 

67,800 

67,700 

68,000

68,600 

69,400 

69,200 

69,900 

69,500

69,800 

69,700 

59,700 

68 , 900 

68,900

69,400 

68,200 

68,200 

68,600 

68,200

68,400 

65,900 

61,200 

59,000 

57,000

57,300 

57,300 

57 , 300 

57,500

57,500

Adjusted for change In 

reservoir contents

Runoff 

in 

acre-feet

2,828,000 

2, 490, 000 

3,446,000

87,480,000

2,837,000 

2,868,000 

3,774,000 

5,848,000 

16,940,000 

18,760,000 

12,700,000 

6,392,000 

3,932,000

82,820,000

Discharge in 

second-fast

Mean

45.9FO 

41,8fO 

56,0+0

120,800

46,1*0 

51,6*0 

61,380 

98,280 

275,500 

315,300 

206,500 

104,000 

66,080

114,400

Per

square 

mile

1.54

Runoff

inches

20.96

Note.- Monthly runoff per square mile and depth In Inches not computed because of large upstream 

regulation In Kootenai, Pend Oreille, and Spokane River Basins.
196 COLUMBIA RIVER MAIN STEM

Columbia River at Trinidad, Wash.

Location.- Water-stage recorder, lat. 47°13'30", long. 120°00'50", in SEij sec. 13, T. 20 

H. , R. 22 E., half a mile southwest of Trinidad, 8-| miles downstream from Colocham 

Creek, and 12 miles downstream from Rock Island Dam: Datum of gage is 500 feet above 

mean sea level, subject to correction to 1929 datum.

Drainage area.- 89,700 square miles.

Kecoras available - October 1-930 to September 1947. January to December 1910 (gage heights 

only), way iyia to December 1916 at sites about 1 mile above and at highway bridge at 

Wenatchee, 24 miles upstream, published as Columbia River at Wenatchee; January 1917 

at Beverly, 29 miles downstream; January 1917 to September 1930 at site half a mile 

north of Vernita, 50 miles downstream, published as Columbia River at Vernita.

Average discharge.- 34 years, 115,400 second-feet (adjusted for storage in Franklin D. 

Kooseveit Lake beginning October 1939).

Extremes.- Maximum discharge during year, 368,900 second-feet June 11 (gage height, 46.73 

reetj; minimum, 38,400 second-feet (regulated) Nov. 20 (gage height, 19.62 feet).

1913-47: Maximum discharge, 528,000 second-feet June 15, 16, 1913 (gage height, 

45.7 feet, site and datum then in use); minimum, 4,120 second-feet (regulated) Feb. 10, 

1932 (gage height, 11.40 feet).

Maximum discharge known, about 740,000 second-feet June 7, 1894 (bs-sed on information obtained at other points).

Remarks.- Records excellent. Diversion above station for irrigation is small percentage 

or flow past gage. Some diurnal fluctuation caused by power plants at Rock Island and 

at Grand Coulee Dam. Flow regulated by Franklin D. Roosevelt Lake (sea p. 194) and 

reservoirs in Kootenai, Pend Oreille, Spokane, Okanogan, and Chelan River Basins.

Rating table, water year 1S46-47 (gage height, In feet, 

and discharge, In second-feet)

20.0

ei.o

22.0

24.0

26.0

40,500

46,500

52,500

66,500

82,500

28.0

30.0

32.0

34.0

36.0

99,500

117.500

137,500

160,500

187,000

38.0

40.0

42.0

44.0

46.7

216,000

248,000

282,000

318,000

368,300

Discharge, in second-feet, water year October 1946 to September 1E47

Day

1 

2

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oot.

66,500 

61 , 200 

60,100 

58 , 900 

_ 59,100

63 , 400 

64,000 

60,100 

55 , 900 

55,000

55,000 

56,200 

61,100 

62,400 

56,000

50,800 

50,500 

51,100 

49,300 

48,500

45,900 

46,200 

47,300 

46,600 

46,900

47,800 

51,500 

50,700 

49,300 

47,200 

46,500

Nov.

47,100 

46,700 

43,900 

47,300 

48,500

46,000 

46,900 

46,000 

46,900 

48 , 400

47,400 

47,000 

46,900 

45,600 

44,500

43,400 

43,700 

43,300 

42,400 

42,400

44,900 

45,800 

44,400 

43,400 

41,700

45 , 900 

47,200 

46,300 

48 , 500 

50,100

Deo.

52,000 

54,000 

58,700 

58,000 

54,000

46,700 

44,500 

45,600 

45,300 

47,100

48,200 

47,800 

50,800 

58,700 

65,900

75,300 

75,100 

71,900 

72,800 

72 , 900

77,500 

77,700 

74,700 

74,300 

72,700

71,500 

73,500 

73,700 

67,700 

57,400 

55,400

Jan.

52,900 

59,800 

55,200 

48,300 

49,700

47,200 

49,400 

49,800 

48,100 

46,400

48,000 

50,600 

51,100 

50,900 

50,800

50,700 

50,500 

53,400 

63,100 

64,500

60,200 

58,000 

53,100 

51,600 

53 , 900

60,100 

63 , 100 

60,400 

56 , 300 

58 , 100 

58 , 900

Feb.

54,000 

61,200 

62,600 

59,800 

51 ,600

50,900 

52,000 

53,000 

56 , 500 

58,100

56,200 

54,500 

54,500 

61,000 

61,400

66,600 

62,000 

61,300 

60,800 

63 , 100

65,500 

65,400 

70,700 

71,100 

64,800

65,400 

64,800 

64,700

Month

Octc 

Nove Decide

Jam 

Febi 

Marc 

AprJ 

May

June 

Julj 

Augl 

Sept

WE

lendar year 194f 

ary

h. ......................................

ter year 1946-47 .......................

Mar.

65,000 

69,900 

70,200 

64,900 

67,000

66,300 

64,700 

63,400 

68,600 

68,700

63,700 

63,800 

64 , SOO 

63,600 

65,300

69,200 

70,500 

67,100 

66,000 

66,900

66,200 

72,900 

81,700 

81,400 

82,700

89,900 

87,400 

82,200 

85,100 

93,000 

94,000

Apr.

90 , 200 

87,400 

86,200 

83,700 

89,400

97,800 

101,400 

100,000 

96,800 

91,000

88,900 

89,200 

88,700 

91,400 

92,800

91,800 

95,400 

101,100 

102,800 

108,000

117,200 

126,400 

126,100 

130,400 

136,600

135,500 

144,300 

158,500 

154,400 

162,800

Secondfoot-days

1,671,000 

1,372,500 

1,921,400

47,877,700

1,674,100 

1,693,500 

2,246,200 

3,266,200 

9,289,000 

10,145,900 

6,819,200 

3,619,200 

2,189,000

45,907,200

Hay

179,700 

178,400 

181,700 

189,000 

200,700

219, 400 

236,000 

259,900 

278,900 

298,200

311,700 

317,300 

330 , 600 

335,800 

355,400

353,300 

348,900 

346,100 

345,900 

344,700

339,600 

336,400 

332,800 

325,600 

322,300

332,600 

337,000 

337,000 

337,000 

338,300 

338,800

Maximum

66,500 

50,100 

77,700

423,400

64,500 

71,100 

94 , 000 

162,800 

355,400 

367,200 

272,300 

166,900 

86,200

367,200

June

337,600 

339,400 

346,100 

347,400 

351,800

348 , 900 

355,200 

357,300 

357,300 

360,700

367 , 200 

365,100 

361,500 

359,000 

358 , 400

360,900 

360,500 

352,900 

353,500 

344,900

338,700 

331,500 

323,800 

314,800 

305,900

297,500 

294,600 

290,800 

284,500 

277,900

July

272,300 

258, COO 

256,700 

255, COO 

249, COO

243,600 

240,800 

243,500 

233,300 

229,600

230,400 

229,100 

225,300 

222,400 

222,400

214,400 216, eoo

222,400 

221,400 

213,200

211,600 

207 , 200 

204,800 

200,000 

198,200

194,400 

187,700 

182,900 

180,000 

180,400 

172,200

Minimum

45,900 

41,700 

44,500

4O.7OO

46,400 

50,900 

63,400 

83,700 

178,400 

277,900 

172,200 

81,100 

61,900

41,700

Aug.

166,100 

166,900 

164,900 

157,100 

151,400

139,500 

134,700 

130 , 200 

125,300 

123,100

121,700 

122,000 

117,800 

115,100 

111,700

109,000 

110,500 

113,700 

114,600 

114,200

110,000 

103,200 

98,800 

94 , 300 

89,500

87,300 

87 , 500 

87,600 

87 , 600 

82 , 800 

81,100

Mean

53,900 

45,750 

61,980

131,200

54,000 

60,480 

72,460 

108,900 

299,600 

338,200 

220,000 

116,700 

72,970

125,800

Sept.

86,200 

84,800 

77,200 

74,700 

74,400

74,500 

75.700 

75,700 

75,900 

76,200

76,200 

76,200 

76,000 

75,700 

75,300

75,100 

75,100 

73,900 

74,400 

74,500

73,800 

73,900 

71,900 

67,100 

64,300

62,200 

62,000 

61,900 

62,000 

62,200

Runoff In 

acre-feet

3,314,000 

2,722,000 

3,811,000

94,960,000

3,321,000 

3,359,000 

4,455,000 

6,478,000 

18,420,000 

20,120,000 

13,530,000 

7,179,000 

4,342,000

91,050,000

Note.- Monthly runoff per square mile and depth In Inches not computed because of large upsti 

 egulation in Kootenai, Pend Oreille, and Spokane River Basins.
KO~TENAI RIVER BASIN 197

Kootenay River at Newgate, British Columbia 

(International gaging station)

Location.- Water-stage recorder, lat. 49°01', long. 115°10 I , at old highway bridge site, 

O.Y mile northwest of Newgate and 0.9 mile north of international boundary. Staff gage 

at same site and dat im prior to May 1, 1947.

Drainage area.- 7,660 square miles.

Records available.- October 1930 to September 1947.

Average discharge.- 17 years, 9,361 second-feet.

Extremes^- Maximum discharge during year, 62,200 second-feet May 11 (gage height, 12.13 

feet); minimum dally, 1,740 second-feet Dec. 28.

1930-47: Maximum discharge observed, 80,000 second-feet June 18, 1933 (gage height, 

13.30 feet, present datum, main channel gage); minimum observed, 994 second-feet Feb. 7, 

1936; minimum gage height observed, 0.21 foot Jan. 11, 1944.

Remarks. - Records good. Gage read once daily prior to May 1, 1947. Records give total 

flow of main channel and slough.

Co:peration.- This station is one of the international gaging stations maintained by 

Canada under agreement with the United States.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24

25

26 

27 

28 

29 

30 

31

Oct.

5,950 

6,010 

6,250 

6,340 

6,180

5,990 

5,820 

5,660 

5,530 

5,390

5,310 

 5 , ?40 

5,100 

5,060 

5,120

4,990 

4,860 

4,740 

4,650 

4,660

4,990 

5,040 

4,950 

4,910 

4,910

4,860 

4,890 

4,800 

4,590 

4,440 

4,370

Nov.

4,260 

4,170 

4,140 

4,120 

3,980

3,860 

3,920 

3,890 

3,960 

3,940

3,640 

3,760

5,210

3,210 

3,000

2,830 

2,950 

3,450 

3,400 

2,510

2,360 

2,250 

2,490 

2,710 

2,990

3,270 

3,500 

3,690 

3,630 

3,430

Dec.

3,450 

3,150 

3,290 

3,140 

3,560

3,780 

3,720 

3,610 

3,530 

3,310

3,760 

3,860 

3,610 

3,350 

3,100

2,830 

2,410 

2,120 

2,050 

2,030

2,000 

1,910 

1,960 

1,920 

1,920

1,930 

1,920 

1,740 

2,000 

1,990 

1,950

Jan.

1,940 

1,970 

1,920 

1,870 

1,780

1,800 

1,780 

1,780 

1,830 

1,930

1,870 

1,800 

1,780 

1,760 

1,880

1,920 

2,040 

1,980 

1,980 

1,920

1,920 

1,940 

1,870 

1,980

2,180

1,960 

1,900 

1,930 

1,800 

1,780 

1,760

Month

Octo 

Hove 

Dece

Ca

Jam] 

Febr 

Hare 

Apri 

Hay 

June 

July 

Augu 

Sept

Wa

mber ......................

lendar year 1946 .........

ary

1 .........................

ember .....................

ter year 1946-47 ..........

Feb.

1,760 

1/750

1,870 

1,870 

1,830

1,830 

1,920 

1,920 

1,890 

1,880

1,940 

2,100 

2,540 

2,800 

3,720

3,660 

3,470 

3,240 

3,060 

2,670

2,670 

2,700 

2,740 

2,770 

2,980

3,060 

2,940 

2,700

Secondfoot-days

161,600 

102,520 

84,900

4,220,780

58,550 

70,280 

100,150 

268,390 

1,138,600 

996,100 

546,300 

251,770 

200,440

3,979,600

Mar.

2,610 

2,460 

2,410 

2,350

2,270

2,220 

2,290 

2,250 

2,320 

2,320

2,340 

2,450 

2,370 

2,320 

2,340

2,560 

2,590 

2,980 

3,390 

3,720

3,960 

4,650 

4,990 

4,660 

4,610

4,390 

4,250 

4,100 

4,210 

4,860 

4,910

Maximum

6,340 

4,260 

3,860

65,000

2,180 

3,720 

4,990 

26,100 

62,000 

42,300 

23,900 

10 , 400 

7,980

62,000

Apr.

5,220 

5,450 

5,530 

5,370 

5,040

4,930 

4,870 

4,650 

4,700 

4,880

5,000 

5,050 

5,150 

5,400 

6,450

8,000 

9,000 

10,300 

10,700 

13,300

13,000 

12,200 

11,800 

11,500 

10,700

10,800 

12,100 

13,800 

17,400 

26,100

May

24,700 

21,700 

24,000 

26,200 

29,300

33,000 

35,600 

40,800 

50,300 

59,700

62,000 

58,900 

55,400 

52,700 

46,200

39,400 

34,300 

30,400 

27,900 

26,500

26,800 

27,500 

27,000 

27,000 

29,900

35,000 

38,800 

39,200 

38,200 

35,700 

34,600

Minimum

4,370 

2,250 

1,740

1,740

1,760 

1,750 

2,220 

4,650 

21,700 

24,300 

11,200 

6,850 

5,570

1,740

June

36,500 

39,000 

42,300 

41,900 

40,600

39,500 

38,600 

37,300 

36,100 

37,100

39,200 

39,100 

38,500 

38,100 

37,000

33,800 

30,200 

28,300 

29,200 

31,200

30,500 

27,500 

25,400 

24,700 

25,200

26,000 

26,800 

26,700 

25,500 

24,300

Mean

5,210 

3,420 

2,740

11,600

1,890 

2,510 

3,230 

8,950 

36,700 

33,200 

17,600 

8,120 

6,680

10,900

July

23,300 

2E.800 

23,300 

23,900 

23,000

21,900 

21,200 

21,500 

21,200 

20,400

20,200 

19,900 

19,800 

19,100 

18,500

18,600 

18,400 

17,300 

16,300 

15,600

15,000 

14,600 

14,100 

13,500 

12,900

12,400 

12,000 

11,700 

11,200 

11,400 

11,300

Per 

square 

mile

0.68 

.45 

.36

1.51

.25 

.33 

.42 

1.17 

4.79 

4.33 

2.30 

1.06 

.87

1.42

Aug.

10,400 

9,870 

9,680 

9,520 

9,430

9,460 

9,520 

9,140 

8,670 

8,330

8,050 

7,730 

7,490 

7,220 

7,150

7,100 

7,100 

7,170 

7,190 

7,100

6,960 

6,850 

7,060 

7,780 

8,360

8,590 

8,360 

8,000 

7,640 

7,450 

7,400

Sept.

7,450 

7,850 

7,980 

7,660 

7,290

6,990 

6,990 

6,960 

7,010 

7,220

7,240 

7,100 

6,960 

6,780 

6,620

6,480 

6,210 

5,970 

5,920 

5,770

5,660 

5,570 

5,700 

5,900 

6,230

6,550 

6,660 

6,710 

6,600 

6,410

Runoff

Inches

0.78 

.50 

.42

20.51

.29 

.34 

.48 

1.30 

5.52 

4.83 

2.65 

1.22 

.97

19.30

Acre-feet

320,500 

203,300 

168,400

8,371,000

116,100 

139,400 

198,600 

532,300 

2,258,000 

1,976,000 

1,084,000 

499,400 

397,600

7,894,000

Note.- Ho gage-height record Nov. 17-27, Apr. 9-17; discharge computed on basis of records for

stations at Leonla and Wardner. Stage-discharge relation affected by ice Dec. 19 to Feb. 11.
KOOTENAI RIVER BASIN

Kootenai River at Libby, Mont.

Location.- Water-stage recorder, lat. 48°24', long. 115°33' , In NW^ sec. 3, T. 30 N., R. 

31 W. , 1,200 feet downstream from highway bridge at Llbby and half a mile downstream 

from Llbby Creek.

Drainage area.- 10,240 square miles.

Records available.- October 1910 to September 1947.

Average discharge.- 21 years (1912-15, 1917-18, 1928-32, 1934-47), 10,580 second-feet.

Extremes.- Maximum discharge during year, 74,300 second-feet May 11 (gage height, 15.06 

reet); minimum, 1,900 second-feet Nov. 21 (gage height, 0.80 foot), but may have been 

less during period of ice effect.

1910-47: Maximum discharge, 130,000 second-feet June 21, 1916 (gage height, 20.7 

feet, present datum); minimum, 895 second-feet Jan. 11, 1930, discharge measurement 

(stage-discharge relation affected by ice).

Remarks.- Records good except those for period of ice effect or no gage-height record, 

which are fair. No known diversion or regulation above station.

Rating table, water year 1946-47, except period of ice effect 

(gage height, in feet, and discharge, In seccnd-feet)

0.8 1,900 4.0 10,600 12.0 49,200 

1.0 2,320 5.0 13,900 14.0 64.9OO 

1.5 3,450 6.5 19,800 15. O 73,400 

2.0 4,670 8.0 26,400 

3.0 7,470 1O.O 36,600

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

6,460 

6,600 

6,600 

6,740 

6,740

6,600 

6,460 

6,170 

6,030 

6,030

5,890 

5,750 

5,610 

5,470 

5,470

5,470 

5,340 

5,200 

5,060 

5,060

5,060 

5,610 

5,610 

5,610 

7,420

7,O4O 

6,310 

5,890 

5,750 

5,340 

5.2OO

Nov.

5,060 

,930 

,800 

,540 

,540

,410 

,410 

,410 

,410 

,410

,160 

,16O 

,160 

,920 

,800

,560 

,680 

,160 

,94O 

,430

,110 

,580 

,830 

,220 

,450

,920 

,410 

,800 

,060 

,930

Dec.

,800 

,280 

,410 

,410

,540

,930 

,930 

,930 

,67O 

,670

5,470 

6,600 

5,890 

5,470 

6,600

6.O3O 

4.OOO 

*3,300 

3,350 

3,300

3,400 

3,900 

4,OOO 

3,800 

3,6OO

3,400 

3,100 

2,700 

2,300 

2.OOO 

2,000

Jan.

2,ooo 

2,000 

2,000 

2,000 

2,000

2,100 

2,200 

2,400 

2,700 

3,100

3,300 

3,400 

3.2OO 

3.OOO 

2,700

2,900 

3,100 

3,100 

3.2OO 

3,200

3,220 

3,560 

3,560 

4,040 

4,800

5,340 

5,340 

4,670 

4,410 

3,920 

3,8OO

Feb.

3,220 

3,220 

3,450 

3,100 

3,340

3,450 

3,680 

*3,450 

2,990 

2,830

2,780 

3,100 

3,560 

4,040 

4,670

5,340 

5,890 

5,470 

5,200 

4,930

4,670 

4,540 

4,670 

5.O6O 

5,340

5.O6O 

4,160 

4,410

»»«*>. SecondMonth foot-days

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

Wa

mber ...... . i 3

lender year 1946 

ary . . . . . in

ember ..................... 22

3,590 

0.2OO 

0,780

5,510

0,260 

5,620 

4,810 

3,720 

0,200 

7,700 

8,700 

6,410 

1,000

ter year 1945-47 .......... 4 > 82e » 99°

Mar.

4,160 

3,800 

3.8OO 

3,340 

3,450

3,450 

3,450 

3,450 

3,450 

3,560

3,800 

3,920 

3,8OO 

3,800 

3,800

3,920 

4,280 

4,930 

5,890 

6,600

7,180 

8,370 

9,610 

9,600 

9,600

9,300 

8,400 

7,800 

7,500 

8,400 

8,400

Maximum

7,420 

5,060 

6,600

73,400

5,340 

5,890 

9,610 

34 , 900 

73,400 

47 , 800 

25,900 

11,500 

8,400

73,4OO

Apr.

h9,930 

10,200 

10,600 

10,900 

10,600

9,300 

8,370 

8,O70 

8,O70 

8,O7O

8,370 

8,370 

8,370 

9,300 

11,900

13,6OO 

14,600 

15,700 

17,700 

19,300

'20,600 

19,300 

18,500 

17,700 

16,900

17,700 

20,600 

25 , OOO 

31,200 

34,900

May

32 , 800 

29,800 

31,800 

35 , 500 

38 , 200

40 , 6OO 

43,100 

49,200 

60,000 

70,800

73,400 

70.OOO 

64 , OOO 

6O.OOO 

53,600

45,700 

39,400 

35,500 

32,800 

31,200

31,200 

32 , 300 

31,200 

31,200 

32 , 800

36,600 

41,800 

45,000 

43,100 

39 , 400 

38,200

June

4O,OOO 

43,800 

47,100 

47,8OO 

46,400

44,400 

42,400 

40,600 

4O.OOO 

42,400

44,400 

44 , 400 

43,100 

42,400 

41,200

38 , 2OO 

34 , 400 

32,300 

32,800 

34,400

34,400 

31,200 

28,300 

27 , 300 

27,800

28,800 

30,200 

3O.2OO 

29,200 

27,800

Minimum Mean

5,060 5,922 

2,110 4,007 

2,OOO 4,219

1,980 13,410

2,000 3,234 

2,780 4,129 

3,340 5,639 

8,070 14,790 

29,800 43,230 

27,300 37,260 

12,000 19,310 

7,500 8,916 

6,600 7,367

2,000 13,210

1947

July

25,900 

25,400 

25,400 

25 , 900 

25,400

24 , 500 

23,600 

23,600 

23,600 

23,200

22,700 

21,800 

21,800 

21,OiOO 

2O,20O

20 , 200 

20,200 

19,000 

17,500 

16,500

16, OOO 

16,000 

15,500 

14 , 800 

14 , 000

13,500 

13,000 

12,500 

12,OOO 

12,000 

12,000

Per 

square 

mile

0.578 

.391 

.412

1.31

.316 

.403 

.551 

1.44 

4.22 

3.64 

1.89 

.871 

.719

1.29

Aug.

11,500 

10,600 

1O.50O 

1O,OOO 

9,900

10,000 

10 , 300 

9,900 

h9,300 

.9,000

h8, 830 

8,6OO 

h8,460 

8,200 

8,000

h7,760 

,700 

,9OO 

,8OO 

,700

,600 

,7OO 

h8,460 

9,200 

h9,990

9,700 

h9,210 

8,600 

8,200 

8,OOO 

7,800

Sept.

7,800 

8,2OO 

8,6OO 

8,100 

7,700

7.4OO 

7.3OO 

7,300 

7,300 

7,6OO

7,800 

7,400 

7,200 

7,000 

7,000

7,000 

6,900 

6,800 

6,70O 

6,600

6,600 

6,600 

6,800 

h7,430 

7,470

7,470 

7,620 

7,770 

7,770 

7,770

Runoff

Inches

0.67 

.44 

.48

17.80

.36 

.42 

.64 

1.61 

4.86 

4.06 

2.18 

1.00 

.80

17.52

Acre-feet

364,100 

238,400 

259,400

9,710,000

198,900 

229,300 

346,700 

880, 100 

2, 658, OOO 

2,217,000 

1,188, OOO 

548,30Q_ 

438,300

9,566,000

Winter discharge measurement made on this day.

h Computed from outside slope gage or wire-weight gage readings.

Note.- Stage-discharge relation affected by ice Dec. 17 to Jan. 20. No gage-hei?ht record Mar. 24- 

31, Apr. 4, 5, July 18 to Aug. 8, Aug. 1O, 12, 14, 15, 17-22, 24, 26, Aug. 28 to Sspt. 23; discharge 

Interpolated, or computed on basis of comparison with records of Kootenai River at Leonia.
KOOTENAI RIVER BASIN 199

Kootenai River at Leonla, Idaho

Location.- Water-stage recorder, lat. 48°37', long. 116°03', In SW^ sec. 17, T. 33 N., R. 

34 W . , at Leonla, 450 feet east of Montana-Idaho State line and half a mile upstream 

from Boulder Creek. Datum of gage Is 1,700.00 feet above mean sea level {U. S. Coast 

& Geodetic Survey datum); gage readings have been reduced to elevations above mean sea 

level.

Drainage area.- 11,740 square miles.

Records available.- March 1928 to September 1947.

Average discharge.- 19 years, 12,360 second-feet.

-Extremes. - Maximum discharge during year, 82,500 second-feet May 11 {elevation, 1,817.56 

reet ) ; minimum dally, 2,700 second-feet Jan. 4.

1928-47: Maximum discharge, 95,500 second-feet June 18, 1933 (elevation, 1,818.11 

feet); minimum, 996 second-feet Dec. 9, 1936; minimum elevation, 1,797.56 feet Dec. 10, 

1929.

Floods of June 1894 and 1916 reached elevations of 1,824.6 and 1,821.6 feet, 

respectively, from information by Great Northern Railway Co.

Remarks . - Records excellent except those for periods of ice effect, which are good. No 

diversion or regulation above station.

Bating table, water year 1946-47, except periods of ice effect

and discharge, in secon 

ethod used July 27 to Se

ing 

( elevation, in feet, and discharge, in second-feet) 

(Shifting -control method used July 27 to Sept. 30)

1,800.0 2,880

1,801.0 5,140

1,802.0 7,720

1,804.0 13,700

1,806.0 20.OOO

1,808.0 27,000

1,810.0 35,000

1,812.0 45,500

1,814.0 58,300

1,816.0 71,700

1,818.0 85,600

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

6,910

6,880

6,910

6,990

7,100

7,020

6,880

6,540

6,480

6,380

6,300

6,200

6,070

5,970

5,920

5,870

5,600

5,670

5,550

5,550

5,870

5,940

6,200

6,150

7,260

8,700

7,420

6,800

6,460

6,150

5,900

Nov.

5,740

5,640

5,500

5,310

5,190

5,120

5,040

5,040

5,040

5,020

4,950

4,830

4,740

4,620

4,460

4,280

4,350

4,950

4,900

3,910

3,450

3,210

3,430

4,030

4,390.

4,690

5,120

5,620

5,820

5,8OO

-

Dec.

5,550

5,190

5,140

5,140

5,240

5,430-

5,720

5,640

5,640

5,500

6,100

7,640

7,500

6,800

7,690

*8,250

6,750

4,500

4,500

4,500

4,500

4,600

4,800

4,700

4,600

4,600

4,600

3,800

3,200

3,100

3,200

Jan.

3,200

3,200

3,000

2,700

2,800

8,800

3,400

3,800

4,300

4,700

4,800

4,500

3,900

3,800

3,500

3,800

3,900

4,000

4,000

4,000

4,100

4,200

4,400

5,190

6,000

6,500

6,500

6,000

5,400

5,000

4,800

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March .........................

April ......*...................

May...........................

June ..........................

July

August ........................

September .....................

Water year 1946-47 ..........

Feb.

4,300

4,300

4,500

4,200

»4,500

4,500

4,700

4,500

4,000

3,800

3,800

4,050

4,620

5,380

6,300

6,960

7,560

7,230

6,750

6,380

6,020

5,900

5,920

6,480

6,880

6,590

6,070

5,870

_

_

-

Secondfoot-days

199 ,840

144,190

164,120

5,664,060

132,190

152,060

237 , 680

601,800

1,617,400

1,220,600

627,400

23o)e50

5,618,160

Mar.

5,640

5,400

5,380

4,950

4,760

4,760

4,690

4,720

4', 6 50

4,720

4,950

5,140

 5,070

5,040

5,190

5,280

5,700

6,510

7,940

9,190

10,100

11,700

13,700

13,600

12,600

11,600

10,800

10,300

10,200

11,000

12,400

Maximum

8,700

8)250

76,400

6,500

7,560

13,700

47,700

53)200

27,700

12,300

8,870

81,600

Apr.

13,100

13,800

14,100

14,000

13,200

12,400

11,500

11,000

10,800

10,800

11,200

11,300

11,400

13,100

17,000

19,200

20,400

22,000

24,400

27,500

28,200

26,400

24,300

22,900

22,400

23,600

27,700

34,600

41,800

47,700

May

44,000

40,000

43,300

48,300

52,000

55,300

58,200

64 , 900

72,700

80,400

81,600

78,300

73,500

68,900

63,900

56,100

48 , 900

43,100

39,300

37,600

37,600

37,800

37,300

36,700

38,400

40,400

49,000

52,000

49,500

45,300

43,100

Minimum

5,550

3,210

3,100

2,400

2,700

3 ,800

4,650

10 ,800

36,700

12J700

7,670

6,830

2,700

June

44,700

48,500

52,400

53,200

51,800

49,700

47,000

44,900

45,300

48 , 500

49,700

49,700

47,800

46,600

45,300

41,800

37 ,300

34,800

34,600

36,200

36,600

33,200

30,300

29,000

29,100

30,000

31,300

31,300

30,700

29,300

Mean

6,446

4,806

5,294

15,520

4 264

5^431

7 ,667

20 , 060

52,170

40, 690

20,240

7)688

15,390

July

27,700

26,700

26,400

26,900

26,600

25,700

24,600

24,600

24,700

23,900

23,300

22,800

22,700

22,000

20,700

20,400

20,700

19,900

18,300

17,400

16,900

16,800

16,300

15,800

15,200

14,500

14,000

13,500

12,900

12,700

12,900

Per

square 

mile

0.549

.409

.451

1.32

.363

653 1)71

4.44

3 *47

l!72

.797

.655

1.31

Aug.

12,300

11,

11,

10,

10,

10,

10,

10,

10,

9,

400

000

800

700

6OO

900

600

000

590

9,450

9,

8,

8,

250

870

530

8,340

8,080

8,

8,

8,

030

200

200

8,030

7,750

7,

8,

9,

670

310

130

10,000

10,200

9,

9,

8,

8,

300

100

700

450

8,250

Sept.

8,140

8,390

8,870

6,530

8,110

7,800

7,640

7,670

7,610

7,800

7,970

7,830

7,640

7,480

7,340

7,420

7,400

7,210

7,040

6,940

6,830

6,830

6,990

7,370

7,800

8,000

8,170

8,110

7,970

7,750

-

Runoff

Inches

0.63

.46

.52

17.96

.42

'.75

1 . 91

5. 'l2

3 . 87

1.99

.92

.73

17.80

Acre-feet

396,400

286,000

325,500

11,230,000

262,200

301,600

471,400

3,208,000

2 421 000

l)244)ooO

575,700

457,500

11,140,000

» Winter discharge measurement made on this day. 

Mote.- Stage-discharge relation affected by ice Dec.

903681 O - 50 - 14

18 to Jan. 23, Jan. 25 to Feb. 11.
200 KOOTEAKI RIVER BASIN

Kootenai River at Boom Camp, near Bonners Perry, Idaho

Location.- Water-stage recorder, lat. 48°42'05", long. 116°14'30", in NW£ sec. 29, T. 62 

N., K. 2 E., 600 feet east of Boom Camp, 3j miles upstream from Bonners Ferry, and 4 

miles downstream from Moyie River. Datum of gage is 1,700.00 feet above mean sea level 

(U. S. Coast & Geodetic Survey datum); gage readings have been reduced to elevations 

above mean sea level.

Records available.- October 1927 to September 1947 in reports of Geological Survey. April 

1925 to September 1927 in reports of Dominion Water and Power Bureau, Department of 

Mines and Resources, Canada.

Extremes.- Maximum elevation during year, 1,776.22 feet May 11; minimum, 1,756.69 feet

1927-47: Maximum elevation recorded, 1,776.58 feet June 18, 1933; minimum, 1,755.53 

feet Dec. 9, 1936.

Remarks.- Elevations affected by backwater from Kootenay Lake Apr. 29 to July 3.

Elevation, In feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

58.46

58.47

58.49

58.53

58.57

58.52

58.47

58.33

58.32

58.27

58.23

58.18

58.14

58.11

58.08

58.07

58.02

57.97

57.92

57.92

58.12

58.15

58.27

58.21

58.66

59.11

58.66

58.45

58.33

58.21

58.09

NOT.

58.03

57.98

57.91

57.83

57.77

57 .72

57.70

57.70

57.70

57.69

57.66

57.57

57.55

57.47

57.42

57.25

57.37

57.77

57.60

57.33

57.00

56.83

56.95

57.34

57.49

57.65

57.87

58.17

C 6.23

58.31

-

Dec.

58.29

57.88

57.89

57.90

57.93

58.01

58.12

58.09

58.06

58.02

58.32

58.86

58.75

58.52

58.88

58.94

58.66

58.30

58.32

57.85

57.68

57.78

57.92

57.70

57.71

57.65

57.67

58.00

57.45

57.00

56.94

Jan.

57.16

57.27

57.17

57.03

57.24

57.29

57.32

58.02

57.88

57.74

57.77

57.77

57.84

57.72

57.79

57.48

57.39

57.50

57.40

57.46

57.38

57.43

57.58

57.89

58.46

58.75

58.83

58.56

58.38

58.22

58.12

Feb.

57.94

57.84

58.04

58.01

f57.88

57.87

57.95

57.85

f57.69

f 57 . 52

57.44

57.57

57.84

58.17

58.70

59.23

59.36

59.22

58.94

58.81

58.58

58.47

58.38

58.53

58.66

58.55

58.45

58.26

-

_

-

Mar.

58.13

58.03

58.04

57.84

57.74

57.74

57.70

57.71

67.69

57.71

57.82

57.89

57.84

57.82

57.89

57.98

58.22

58.60

59.11

59.52

59.77

60.25

60.81

60.81

60.54

60.27

60.04

59.89

59.91

60.18

60.54

Apr.

60.75

60.96

61.02

60.98

60.77

60.53

60.29

60.14

60.08

60.12

60.19

60.21

60.27

60.71

61.75

62.31

62.57

62.91

63.38

64.13

64.20

63.83

63.41

63.11

62.99

63.25

64.09

65.37

66.80

67.77

May

67.35

66.54

67.04

67.90

68.82

69.57

70.37

71.88

73.62

75.26

76.13

76.06

75.40

74.52

73.48

71.92

70.13

68.57

67.45

66.82

66.70

66.60

66.46

66.26

66.53

67.35

68.37

69.05

68.83

68.13

67.60

June

67.68

68.25

68.97

69.27

69.15

68.81

68.32

67.86

67.88

68.52

68.70

68.76

68.43

68.25

57.97

67.41

66.52

65.77

65.54

35.71

65.83

65.06

64.56

64.18

64.10

64.21

64.52

64.57

64.45

64.16

-

July

63.78

63.52

63.42

63.45

63.43

63.20

63.00

62.95

63.00

62.85

62.75

62.64

62.60

62.48

62.22

62.11

62.16

62.01

61.67

61.45

61.34

61.29

61.17

61.03

60.89

60.75

60.63

60.50

60.35

60.29

60.34

Aug.

60.19

59.97

59.85

59.81

59.77

59.75

59.80

59.75

39.59

59.47

59.41

59.35

59.25

59.15

59.08

58.98

58.97

59.02

59.03

58.97

58.89

58.86

59.10

59.33

59.57

59.65

59.55

59.34

59.23

59.15

39.10

Sept.

59.05

59.12

59.29

59.17

59.03

53.92

58.83

58.89

58.89

58.94

59.00

58.94

58.89

58.83

58.80

58.82

58.82

o8.75

58.73

58.68

58.64

58.66

58.72

58.83

58.96

59.03

59.07

59.05

58.99

58.90

-

Note.- Add 1,700 feet to obtain elevation above mea 

f Elevation partly estimated.
KOOTENAI RIVER BASIN 201

Kootenai River at BonnuT Ferry, Idaho

Location.- Wire-weight gage, lat. 48°42'00", long. 116 <1 18 I 45", in NE^ sec. 27, T. 62 N. , 

H. 1 E., on highway bridge at Bonners Ferry. Water-stage recorder 800 feet across 

channel from wire-weight gage at same datum used as supplemental gage. Datum of gage 

is 1,743.00 feet above mean sea level (U. S. Coast & Geodetic Survey datum); gage 

readings have been reduced to elevations above mean sea level.

Drainage area.- 13,000 square miles.

Records available.- October 1927 to September 1947 (gage heights only prior to March

192H) . May to October 1904 (gage heights only) at site three-quarters of a mile downstream. Gage heights collected by U. S. Weather Bureau, May 1904 to September 1927.

Average discharge.- 19 years (1928-47), 13,330 second-feet.

Extremes.- Maximum daily discharge during year, 88,200 second-feet May 11; maximum elevatlon, 1,774.31 feet May 11; minimum daily discharge, 2,900 second-feet Jan. 4, 5; 

minimum elevation observed, 1,744.02 feet Mar. 15.

1927-47: Maximum daily discharge, 99,800 second-feet June 18, 1933; maximum elevation, 1,774.98 feet June 19, 1933; miniraum daily discharge, 1,300 second-feet Feb. 8, 

1936; minimum elevation, 1,741.14 feet Dec. 5, 1929, Dec. 29, 1930. 

Maximum elevation known, 1,777.2 feet in June 1894.

Remarks.- Records excellent except those for periods of ice effect, which are good. Backwater from Kootenay Lake during most of year. Discharge for period of backwater at 

Boom Camp from Kootenay Lake, Apr. 29 to July 3, computed on basis of fall between 

gages at Boom Camp and near Bonners Perry; that for remainder of year on basis of stagedischarge relation for station at Boom Camp. Discharge measurements made at station 

near Bonners Ferry. No diversion or regulation above station.

Elevation, In feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

.9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

47.36

47.40

47.41

47.42

47.40

47.51

47.48

47.31

47.17

47.32

47.16

47.14

47.13

47.18

47.04

47.02

46.98

46.94

46.92

46.86

46.89

47.02

47.00

47.10

47.19

48.41

47.87

47.51

47.30

47.17

47.11

Nov.

47.02

47.04

46.96

46.94

46.88

46.86

46.84

46.83

46.86

46.87

46.84

46.90

46.88

46.72

46.70

46.63

46.54

46.60

47.31

49.70

49.74

47.82

47.50

47.56

48.72

48.30

4&.33

48.60

48.84

49.02

-

Dec.

48.83

48.60

48.54

. 48.40

48.22

47.87

47.56

47.52

47.33

47.36

47.20

47.54

48.00

47.96

47.66

47.68

48.20

48.44

48.46

48.27

48.31

48.32

48.36

48.52

48.28

48.27

48.17

48.20

47.87

47.90

48.30

Jan.

48.22

48.54

48.50

48.04

47.83

47.90

47.96

48.00

48.04

48.28

48.50

48.54

48.62

48.60

48.64

48.68

48.70

48.68

48.68

48.70

48.66

48.64

48.60

48.42

48.20

48.20

48.26

48.30

48.34

48.36

48.34

Feb.

48.30

48.32

48.28

48.26

48.30

48.34

48.32

48.34

48.14

47.96

47.64

47.70

48.00

48.22

48.46

49.07

49.48

49.77

49.70

49.39

49.00

48.68

48.24

48.03

47.84

46.91

46.22

45.97

_

-

-

Mar.

45.56

45.40

45.21

45.13

44.94

44.56

44.49

44.34

44.29

44.21

44.22

44.29

44.39

44.20

44.02

44.07

44.11

44.30

45.39

46.54

46.57

47.10

48.32

48.74

48.43

47.90

47.40

47.03

46.88

47.08

47.77

Apr.

48.37

48.85

49.07

49.02

48.72

48.24

47.78

47.44

47.26

47.26

47.39

47.42

47.53

48.08

49.84

51.36

52.04

52.85

53.89

55.62

56.25

55.82

55.00

' 54.39

54.01

54.36

55.85

58.32

61.13

63.05

May

62.94

61.84

62.27

63.58

64.96

66.17

67.28

69.02

70.96

72.93

74.18

74.21

73.63

72.60

71.46

69.85

67.94

66.06

64.59

63.68

63.43

63.17

62.92

62.63

62.88

64.04

65.00

65.94

65.88

65.16

64.48

June

64.47

65.09

65.98

66.43

66.36

66.02

65.48

64.92

64.88

65.60

65.93

65.99

65.69

65.41

65.07

64.4?

63.41

62.36

61.85

61.95

62.06

61.35

60.22

59.45

59.09

59.09

59.48

59.65

59.41

58.89

-

July

58.15

57.59

57.25

a57.20

57.13

56.75

56.27

56.07

56.05

55.77

55.39

55.13

54.97

54.80

54.26

53.95

53.88

53.73

53.06

52.55

52.23

52.03

51.77

51.43

51.11

50.76

50.39

50.07

49.74

49.47

49.40

Aug.

49.17

48.72

48.38

48.17

48.02

48.02

48.06

48.02

47.80

47.58

47.52

47/44

47.28

47.08

46.95

46.84

46.79

46.81

46.80

46.78

4S.67

46.62

46.82

47.24

47.54

47.75

47.70

47.44

47.20

47.05

46.97

Sept.

46.98

47.06

47.42

47.44

47.43

47.36

47.33

47.42

47.44

47.68

47.80

47.80

47.76

47.71

47.61

47.60

47.58

47.56

47.54

47.46

47.48

47.50

47.54

47.63

47.76

47.90

47.92

48.02

48.03

47.99

-

a Elevation computed on basis of adjacent Kootenal River stations.

Mote.- Add 1,700 feet to obtain elevation above mean sea level. Mpan daily gage heights computed 

from once-daily wire-weight gage readings Oct. 1 to Mar. 31, Aug. 31 to Sept. 30, and twice-daily 

readings Apr. 1 to Aug. SO, except those for Apr. 18-28, Apr. 30 to May 7, which 'are computed from 

recorder record adjusted to basis of wire-weight gage readings.
202 KOOTENAI RIVER BASIN

Discharge, in second-feet, of Kootenai River at Bonners Perry, Ida'10, 

water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

7,110

7,140

7,190

7,300

7,420

7,280

7,140

6,760

6,730

6,600

6,500

6,370

6,260

6,190

6,110

6,080

5,960

5,840

5,710

5,710

6,210

6,290

6; 600

6,450

7,670

8,970

7,670

7,080

6,760

6,450

6,140

Nov.

5,980

5,860

5,680

5,480

5,340

5,220

5,170

5,170

5,170

5,150

5,070

4,860

4,820

*4,630

4,520

4,170

4,420

5,340

4,930

b4,150

3,670

3,350

3,480

4,250

4,570

4,930

5,460

b6, 000

b6, 200

be, 200

-

Dec.

be.ooo

5,360

5,390

5,410

5,480

5,680

5,960

5,880

*5,810

5,710

6,470

7,950

7,640

7,000

8,000

8,180

b7 , 000

b4,800

b4,800

b4,800

b4,800

b5,000

b5,100

4,930

4,950

4,820

4,860

b3,900

b3,400

b3,300

3,370

Jan.

b3,350

b3,350

b3,200

b2,900

b2,900

b3,000

b3,700

b4,100

b4,600

5,030

5,100

b4,800

b4,150

b4,000

b3,700

b4,050

b4,150

b4,250

4,270

b4,200

4,230

4,330

4,660

5,390

b6,200

b6,800

b6, 700

b6, 200

b5,700

b5,400

b5,100

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March ............... .........

April .........................

Mav wy ...........................

June .................... .....

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

b4 , 600

b4,600

b4,800

b4,500

b4,700

b4,700

*b4,900

b4,800

b4,400

b4,000

b4,200

b4,400

b5,100

b6,000

b7,400

b7,900

b8,400

bS.OOO

b7 , 500

b7,000

b6, 600

b6,500

b6, 600

7,300

7,670

7,360

b6, 900

6,580

_

_

-

Secondfoot-days

207,690

149,240

171,750

6,100,090

139,510

167,410

265,090

679,400

1,779,300

1 , 288, 900

643,900

298, 110

237,160

6,027,460

Mar.

6,240

5,980

6,010

5,510

5,270

5,270

5,170

5,190

5,150

*5,190

5,460

5,640

5,510

5,460

5,640

- 5,860

6,470

7,500

8,970

10,300

11,200

12,900

15,100

15,100

14,000

13,000

12,100

11,600

11,700

12,600

14,000

Maximum

8,970

6,200

8,180

80 , 500

6,800

8,400

15,100

52,500

55!70C

29 , OOC

12 , 500 

9,060

88,200

Apr.

14,900

15,700

16,000

15,800

14,900

14,000

13,100

12,500

12,300

12,400

12,700

12,800

13,000

14,700

19,000

21,800

23,000

24,800

27,400

31,700

32,100

29,900

27 , 500

25,900

25,200

26,600

31,500

39,400

46 , 300

52,500

May

49,100

44,000

47 , 300

52,400

57,100

59,800

63,200

70,500

80,000

86,900

88,200

84,600

80,000

76,300

71,900

63,500

55,200

48,800

44,800

42,400

42 , 300

42,000

41 , 500

40,600

42 , 200

47,000

52,400

55,600

53,400

49,400

46,900

Minimum

5,710

3,350

3,300

2,600

2,900

4,000

5,150

12,300 

40,600

30,000

13,100

7,950 

7,060

2,900

June

47,800

51,000

54,400

55,700

54,400

52,700

50,000

47,800

48,300

51 , 400

52,100

52,400

50,500

49,800

48,400

45,500

41,000

37,500

36,900

38,000

38,700

34,300

32 , 200

30,400

30,000

30,600

32,300

32,600

31,900

30,300

Mean

6,700

4,975

5,540

16,710

4,500

5 97 9

8,551

22 , 650

57,400

20^770

9,616 

7.905

16,510

July

29,000

27,500

27,000

27,800

27,600

26,400

25,300

25,000

25,300

24,500

24,000

23,400

23,200

22,600

21 , 300

20,800

21,000

20,300

18,800

17,800

17,300

17,100

16,600

16,000

15,400

14,900

14,400

13,900

13,300

13,100

13,300

Per

square 

mile

0.515

.382

.426

1.28

.346

.460

. 656

1.74 

4.42

3.30

1.60

.740 

.60£

1.27

Aug.

12,

11,

11,

11,

11,

10,

11,

10,

10,

500

700

300

100

000

900

100

900

400

9,800

9,600

9,

9,

8,

410

100

790

8,580

8,

8,

8,

8,

8,

290

260

410

440

260

8,030

7,

8,

9,

10,

950

640

350

100

10,400

10,

9,

9,

8,

100

380

030

790

8,500

Sept.

8,350

8,550

9,060

8,700

8,290

7,980

7,720

7,890

7,830

8,030

8,200

8,030

7,890

7,720

7,500

7,560

7,560

7,360

7,300

7,170

7,060

7,110

7,280

7,720

8,090

8,290

8,410

8,350

8,180

7,920

-

Runoff

Inches

0.59

.43

.49

17.44

.40

.48

. 76

1.94 

5.09

l!84

. 85 

.68

17.24

Acre-feet

411,900

296,000

340,700

12,100,000

276,700

332,100

525 > 800

1,348,000

3,529,000

2,556,000

1,277,000

591,300 

470,400

11,950,000

* Winter discharge measurement made on this day. 

b Stage-discharge relation affected by ice.
KOOTENAI RIVER BASIN 203

Kootenai River near Bonners Ferry, Idaho

Location.- Water-stage recorder, lat; 48°41'55", long. 116°22'40", in NWir seo. 28, T. 62 

h., x. IE., 1.6 miles downstream from highway bridge at Bonners Ferry. Datum of gage 

is 1,700.00 feet above mean sea level (U. S. Coast and Geodetic Survey datum); gage 

readings have been reduced to elevation above nean sea level.

Drainage area.- 13,000 square miles.

Records available.- May 1928 to September 1947.

Extremes.- Maximum elevation during year, 1,773.52 feet May 12; minimum not determined, 

occurred during period of no gage-height record.

1928-47: Maximum elevation, 1,774.17 feet June 20, 1933; minimum, 1,740.16 feet 

Mar. 29, 1944.

Remarks. - Elevations affected by backwater5 from Kootenay Lake.

Elevation, In feet, water year October 1946 to September 1947

Da*

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

47.17

47.20

47.23

47.22

47.28

47.19

47.14

47.02

47.09

47.01

46.97

46.97

46.94

46.97

46.88

46.83

46.81

46.73

46.70

46.73

46.89

46.85

46.92

46.94

47.39

47.95

47.56

47.23

47.04

46.92

46.80

Nor.

46.81

'46.85

46.79

46.76

46.74

46.71

4&.72

46.74

46.72

46.73

46.81

46.65

46.62

46.58

46.53

46.43

46.50

46.93

47.30

46.75

46.53

46.48

46.54

46.71

46.84

47.0O

47.16

47.43

47.54

47.47

-

Dec.

47.35

47.23

47.19

47.19

47.21

47.22

47.28

47.18

47.18

47.07

47.28

47.71

47.67

47.42

47.60

47.87

47.40

46.95

46.90

46.95

46.86

46.93

47.08

46.95

46.91

46.92

46.92

46.64

46.43

46.33

46.29

Jan.

46.39

46.28

46.15

46.06

46.06

46.14

46.12

46.17

46.28

46.43

46.47

46.50

46.48

46.46

46.29

46.19

46.09

46.04

46.08

46.01

46.05

46.01

46.09

46.25

46.66

46.97

47.07

46.73

46.24

46.06

45.84

Feb.

45.73

45.70

45.78

45.74

45.66

45.64

45.56

45.47

45.29

45.09

45.04

45.14

45.35

45.67

46,16

_

-

_

_

-

_

_

_

_

-

_

_

_

_

-

-

Mar.

43.67

Apr.

.

48.22

48.35

18.34

48.05

47.55

47.06

46.69

46.46

46.42

46.59

46.64

46.72

47.36

49.12

50.58

51.35

52.13

53.14

54.88

55.58

55.16

54.36

53.71

53.38

53.67

55.18

57.62

60.22

62.15

-

Hay

62.14

61.12

61.58

62.90

64.28

65.54

66.58

68.30

70.18

72.12

73.29

73.46

72.89

71.95

70.82

69.28

67.40

65.66

64.20

63. 3C

63.00

62.77

62.51

62.23

62.44

63.30

64.49

65.34

65.32

64.66

64.01

June

64.00

64.56

65.41

65.79

65.78

65.42

64.94

64.42

64.34

65.06

65.31

65.37

65.06

64.83

64.51

63.92

62.92

61.90

61.37

61.43

61.52

60.85

59.76

58.98

58.61

58.61

58.96

59.11

58.88

58.40

-

July

57.68

57.10

56.78

56.72

56.63

56.23

55.78

55.56

55.55

55.26

54.89

54.61

54.48

54.30

53.75

53.45

53.41

53.25

52.59

52.07

51.72

51.52

51.26

50.94

50.60

50.28

49.92

49.56

49.30

49.06

49.01

Aug.

48.72

48.26

47.92

47.68

47.58

47.56

47.62

47.52

47.31

47.16

47.10

47.03

46.86

a46.65

a46.50

a46.45

a46.35

a46.40

a46.35

46.33

46.25

46.19

46.39

46.76

47.10

47.29

47.22

46.95

46.77

46.58

46.54

Sept.

46.58

46.72

47.02

47.01

47.05

47.03

47.00

47.11

47.22

47.41

47.53

47.50

47.61

47.41

47.34

47.41

47.43

47.32

47.24

47.25

47.26

47.31

47.40

47.49

47.62

47.66

47.73

47.75

47.70

47.61

-

a Elevation computed on basis of records for 

Note.- Add 1,700 feet to obtain elevation abo

idjacent Kootenai Fiver stations, 

re mean sea level.
204 KOOTENAI RIVER BASIN 

Kootenal River at Klockraann Ranch, near Bonners Ferry, Idaho

Location.- Water-stage recorder, lat. 48°47'40", long. 116°22'50", in SE^ sec. 13, T. 63 

N., R. IE., at Kloekmann Ranch, 800 feet south of viaduct on Kootenai Valley branch of 

Great Northern Railway and 8 miles north of Bonners Ferry. Datum of gage is 1,700.00 

feet above mean sea level (U. S. Coast and Geodetic Survey datum); gage readings have 

been reduced to elevations above mean sea level.

Record? available.- May 1928 to September 1947.

Extremes.- Maximum elevation during year, 1,770.58 feet May 12; minimum, 1,742.48 feet

1928-47: Maximum elevation, 1,771.24 feet June 20, 1933; minimum, -1,738.76 feet 

Apr. 1, 1944.

Remarks.- Elevations affected by backwater from Kootenay Lake.

Elevation, in feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

K

Oct.

46.71

46.75

46.75

46.74

4G.79

46.70

46.67

46.60

46.67

46.60

46 .57

46.58

46.58

46. GO

46.51

46.47

46.46

46.41

46.38

46.42

46.54

46.48

46.54

4R.58

46.91

47.30

47.01

46.78

46.65

46.55

45.46

ote.- Ad

Nov.

46.49

46.51

46.47

46.46

46.44

46.43

46.44

43.46

46.44

46.45

46.53

46.39

46.37

46.34

46.31

46.23

46.26

46.50

46.67

46.34

46.21

46.18

46.23

46.31

46.57

46.48

46 . 57

46.75

46.83

46.79

-

Dec.

46.73

46.67

46. R4

46.65

46.67

46.68

46.74

46.70

46.77

46.74

46.90

47.16

47.12

46.93

47 .06

47.27

46.85

46.55

46.50

46.55

46.48

46.56

46.65

46.55

46.57

46.55

46.55

46.35

46. 2C

46.13

46.10

Jem.

46.16

46.07

45.96

45.88

45.88

45.92

45.90

45.92

45.98

46.09

46.12

46.14

46.13

46.12

45 . 97

45.90

45.80

45.76

45.80

45.72

45.74

45.70

45.74

45.81

46.07

46. E9

46.33

46.06

45.69

45. 4f

45.38

Feb.

45.27

45.28

45.33

45.28

45.21

45.16

45.05

44.95

44.80

44.63

44.62

44.69

44.84

45.07

45.43

45.66

45.79

45.73

45.54

45.32

45.16

45.04

44.99

45.13

45.19

44.98

44.66

44.47

-

-

-

Mar.

44.29

44.11

44.05

43.84

43.57

43.45

43.31

43.21

43.09

43 . o ;

43.05

42.97

42.79

42.60

42.54

42.50

42.62

42.95

43.45

43.98

44.37

44.94

45.92

4S.26

46.02

45.54

45.08

44.73

44.61

44.84

45.46

Apr.

45.94

46.36

46.62

46.63

46.39

45.97

45.52

45.16

44.97

44. SE

45.05

45.08

45.13

45.63

47.13

48.63

49.44

50. 18

51.17

52.77

53.54

53.22

52.53

51.90

51.57

51.80

53.17

55.58

58.08

59.96

-

May

60.04

59.18

59.55

60.69

61.94

63.05

64.15

65.70

H7.28

69.00

70.20

70.52

70.18

69.45

68.56

67.28

65.62

64. OE

62.67

61.79

61.45

R1.19

60.91

60.65

60.79

61.54

62.60

63.42

63.48

62.94

£2.34

level .

June

62.27

62.74

63.49

63.86

63.85

63.62

63.16

62.70

62.62

63.20

63.46

63.52

63.29

63.08

62.78

62.30

61.38

60.44

59.90

59.88

59.91

59.38

58.35

57.60

57.22

57.20

57.44

57.58

57.24

56.94

-

Ju.ly

56.28

55.72

55.38

55.30

55.21

54.87

54.44

54.18

54.14

53.89

53.52

53.26

53.10

52.95

52.48

52.18

52.12

51.96

51.39

50.90

50.59

50.37

50.12

49.80

49.49

49.20

48.87

48.53

48.29

48.04

47.94

Aug.

47 . 68

47.29

46.94

46.71

46.58

46.56

46 . 62

46.56

46.38

46.26

46.22

46.17

46.02

45.88

45.77

45.70'

45. 31

45.60

45.61

45.61

45. E3

45.49

45.63

45.88

46.13

46.31

46.29

46.09

45.94

45.80

45.75

Sept.

45.83

46.00

46.24

46.29

46.33

46.59

46.40

46.52

46.62

46.81

46.92

46.92

47 .03

46.88

46.81

46.83

46.82

46.78

46.73

46.73

46.77

46.81

46.88

46.93

47.03

47.0?

47.10

47.14

47.11

47.05

-
KOOTENAI RIVER BASIN 205

Kootenai River near Copeland, Idaho 

(International gaging station)

Location.- Water-stage recorder, lat. 48°54'45", long. 116°25'00", In NWtjNW^SWi sec. 12,

 T. 64 N., R. 1 W., at Andrews Ranch, three-quarters of a mile downstream from Mission 

Creek and li miles northwest of Copeland. Datum of gage is 1,700.00 feet above mean 

sea level (U. S. Coast and Geodetic Survey datum); gage heights have been reduced to 

elevations above mean sea level.

Drainage.- 13,400 square miles.

Records available.- October 1927 to September 1947 (gage-height record only prior to May

 19ay) in reports of Geological Survey. April 1925 to September 1927 (gag° heights

only),in reports of Dominion Water and Power Bureau, Department of Mines and Resources, 

Canada.

Average discharge.- 18 years, 13,860 second-feet.

Extremes.- Maximum daily discharge during year, 88,300 second-feet May 11, 12; maximiui

 elevation, 1,766.47 feet May 12; minimum daily discharge, 3,040 second-feet Jan. 5, 

during period of ice effect; minimum elevation, 1,741.96 feet Mar. 16.

1929-47: Maximum dally discharge, 90,500 second-feet June 19, 1933; maximum elevation, 1,767.98 feet June 20, 1933; minimum daily discharge, 1,350 seconl-feet Feb. 8, 

1936; minimum elevation, 1,738.52 feet Apr. 2, 3, 1944.

Remarks.- Records excellent except those for period of ice effect, which are good. Discharge computed from fall-mean stage-discharge relations determined on basis of fall in 

reach between stations at Klockmann Ranch and at Porthill and discharge measurements 

made at station near Copeland. Stage-discharge relation affected by backwater from 

Kootenay Lake

Cooperation.- This station is one of the international gaging stations maintained by the 

united states under agreement with Canada.

Elevation, in feet, water year October 1946 to September 1947

Pay

1

2

3

4

5

6

7

a

9

10

11

12

13

14

15

16

17

IS

19

20

21

22

23

24

25

26

27

28

29

30

31

Dot.

46.38

46.44

46.45

46.41

46.44

46.38

46.36

46.32

46.40

46.34

46.34

46.35

46.35

46.35

46.29

45.26

46.25

46.21

46.18

46.23

46.31

43.24

46.28

46.33

46.56

46.79

46.63

46.45

46.34

46.29

46.24

Mov.

46.28

46.30

46.28

46.28

46.27

46.26

46.28

46.23

46-. 26

46.28

46.34

46.25

46.23

46.20

46.19

46.13

46.14

46.26

46.35

46.18

46.09

46.08

46.10

46.12

46.14

46.24

46.27

46.39

46.43

46.42

-

Dec.

46.39

46-37

46.34

46.34

46.35

46.35

46.38

46.36

46.42

46.39

46.55

46.68

46.70

46.59

46.65

46.79

46.54

46.32

46.29

46.34

46.28

46.34

46.39

46.35

46.35

46.33

46.34

46.20

46.13

46.06

46.05

Jan.

46.07

45.99

45.90

45.84

45.83

45.84

45.80

45.80

45.83

45.89

45.89

45.92

45.92

45.92

45.81

45.74

45.65

45.59

45.63

45.56

45.56

45.50

45.49

45.50

45.60

45.74

45.74

45.57

45.30

45.20

45.10

Feb.

45.00

45.00

45.00

44.95

44.88

44.82

44.72

44.64

44.55

44.44

44.39

44.41

44.48

44.59

44.78

44.88

44.91

44.87

44.74

44.58

44.45

44.35

44.33

44.40

44.46

44.32

44.12

43.98

-

_

-

Mar.

43.85

43.69

43.61

43.43

43.20

43.09

42.91

42.86

42.74

42.72

42.64

42.52

42.34

42.15

42.05

41.99

42.03

42.20

42.48

42.79

43.05

43.43

44.06

44.27

44.13

43.86

43.52

43.27

43.16

43. -28

43.67

Apr.

44.03

44.35

44.59

44.63

44.49

44.17

43.84

43.57

43.41

43.35

43.43

43.45

43.48

43.80

44.91

46.16

46.89

47.57

48.47

49. 9O

50.61

50.46

49.93

49.45

49.18

49.37

50.44

52.49

54.74

56.48

Hay

56.75

56.15

56.39

57.37

58.52

59.55

60.53

61.86

63.27

64.77

66.00

66.43

66.31

65.85

65.19

64.26

63. OO

61.61

60.45

59.60

59.25

58.97

58.71

58.46

58.52

59.07

59.87

60.54

60.66

60.30

59.82

June

59.72

60.05

60.66

60.99

61.04

60.85

60.50

60.16

60.07

60.49

60.70

60.75

60.60

60.44

60.19

59.77

59.08

58.32

57.80

57.73

57.67

57.23

56.43

55.77

55.40

55.30

55.45

55.53

55.31

54.93

July

54.39

53.90

53.57

53.44

53.30

53.01

52.67

52.45

52.36

52.14

51.82

51.59

51.44

51.28

50.95

50.68

50.59

50.44

50.03

49.59

49.32

43.09

48.85

48.58

48.31

48.03

47.76

47.46

47.25

47.05

46.88

Aug.

46.66

46.33

46.02

45.78

45.68

45.67

45.70

45.68

45.56

45.48

45.45

45.44

45.33

45.22

45.16

45.08

45.01

44.98

45.00

45.03

44.98

44.93

45.01

45.19

45.35

45.48

45.48

45.36

45.26

45.15

45.15

Sept.

45.25

45.40

45.63

45.70

45.87

45.90

45.96

46.07

46.17

46.36

46.45

46.47

46.61

46.46

46.40

46.40

46.37

46.35

46.34

46.36

46.40

46.46

46.50

46.54

46.59

46.60

46.64

46.66

46.65

46.60

-

Note.- Add 1,700 feet to obtain elevation above mean sea level.
206 KOOTENAI RIVER BASIN

Discharge in second-feet, of Kootenai River near Copeland, Ideho, 

water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

7,230

7,160

7,230

7,280

7,670

7,260

7,120

6,830

6,850

6,770

6,450

6,450

6,240

6,440

6,120

6,100

6,020

5,930

5,990

5,710

6,140

6,310

6,580

6,450

7,900

9,060

8,090

7,390

6,980

6,510

6,170

Nov.

6,030

5,960

5,790

5,620

5,470

5,350

5,260

*5,260

5,300

5,240

5,100

5,060

4,940

4,750

4,640

4,330

4,480

5,170

4,800

4,530

3,860

3,440

3,540

4,290

4,680

5,070

5,640

6,140

6,380

6,460

-

Dec.

6,280

5,630

5,610

5,620

5,700

*5,900

6,130

6,150

6,020

6,100

6,730

8,040

7,960

7,440

8,160

8,220

7,480

5,260

5,020

4,970

5,080

5,160

5,220

5,210

5,160

5,010

5,010

4,210

3,650

3,500

3,530

Jan.

3,440

3,560

3,430

3,070

3,040

3,120

3,910

4,280

4,740

5,170

5,330

4,990

4,330

4,160

3,940

4,240

4,360

4,420

4,350

4,390

4,330

4,490

4,790

5,560

6,330

6,860

6,900

6,630

6,240

5,720

5,440

Month

October .......................

November ......................

December ...................

Calendar year 1946 .........

January .......................

February ...........'...........

March .........................

April .........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

4,900

4,820

4,980

4,750

4,960

*4,920

5,160

5,040

4,690

4,310

4,430

4,650

5,420

6,380

7,820

8,440

8,940

8,570

8,100

7,520

,160

,040

,080

,700

,090

,880

,470

,090

_

,

-

Secondfoot-days

210,430

152,580

179,160

6,275,340

145,560

178,310

283, 840

700,000

1,825,000

1,328,000

656,600

305,030

239,490

6,204,000

Mar.

6,740

6,520

6,480

6,010

5,770

5,660

5,630

5,530

5,520

5,570

*5,890

6,190

6,150

5,930

6,150

6,230

6,760

7,780

9,130

10,600

11,700

13,100

15,600

16 , 300

15,700

14,500

13,500

12,700

12,500

13,200

14,800

Maximum

9,060

6,460

8,220

80,900

6,900

8,940

16,300

51 , 300

88 , 30C

55,500

30,300

s!94(

88,300

Apr.

15,900

16,900

17,300

17,200

16,600

15,600

14,600

13,700

13,400

13,300

13,700

13,700

13,900

15,100

18,800

22,100

23,800

25,300

27 , 400

31 , 200

32,900

31,500

29,400

27 , 500

26 , 500

27,000

30,800

38,000

45,600

51,300

-

May

50,600

47,000

48,300

52,300

56,400

59,800

63,800

69,600

75,900

83,100

88,300

88,300

85 , 300

80,500

75,800

69,100

60,800

53,400

48,000

44,900

44,200

43,800

43,000

42,400

43,100

46,400

51 , 200

55,000

54 , 500

51,400

48,800

Minimum

5,710

3,440

3,500

2,790

3,040

4,310

5,520

13,300

42,400

31,200

13,200

8,140

7,210

3,040

June

48,600

50,800

54,000

55,500

55,000

53,900

51,600

48,700

49,100

51,800

53,100

53,300

51,900

50,900

49,900

48,003

43,800

40,100

38,500

39,200

40,000

38,200

34,300

32,000

31,200

31,800

33,100

34,000

33,400

32,300

-

Mean

6,788

5,086

5,779

17,190

4,695

6,368

9,156

23,330

58,870

44,270

21,180

9, 840

7,983

17,000

Jily

30 , 300

28,700

27,900

28,100

28,400

27,400

26,100

25 , 500

25,700

25,100

24,300

23,600

23,400

23,000

21,700

20,900

21,100

20,900

19,300

18,000

17,300

17,100

16,800

16,200

15,700

15,200

14,700

14,100

13,600

13,200

13,300

Per

square 

mile

0.5C7

.360

.451

1.26

3 C 0

.475

.683

1.74

4.3S

3.3C

1.56

.754

1.27

Aug.

12,

12,

11,

11,

11,

11,

11,

11,

10,

10,

10,

9,

9,

9,

8,

8,

8,

8,

8,

8,

8,

8,

8,

9,

10,

10,

10,

9,

9,

8,

8,

900

200

600

400

100

100

200

100

600

200

100

810

430

090

780

690

450

670

630

420

220

140

590

310

100

600

400

760

100

840

500

Sept.

8,390

8,490

8,940

8,670

8,320

8,120

7,680

7,810

7,850

7,950

8,120

8,020

8,140

7,810

7,600

7,850

7,970

7,770

7,450

7,330

7,310

7,210

7,410

7,610

8,140

8,300

8,390

8,400

8,310

8,130

-

Runoff

Inches

0.58

.42

.50

17.42

.40

.49

.79

1.94

5.07

3.69

1.82

. 85

.66

17.21

Acre-feet

417,400

302,600

355,400

12,450,000

288,700

353', 700

563,000

1,388,000

3,620,000

2,634,000

1,302,000

605,000

475,000

12,500,000

* Winter discharge measurement made on this day.

Note.- Channel conveyance affected by ice Nov. 4 to Mar. 8.
KOOTENAI RIVER BASIN 207

KoDtenai River at Porthill, Idaho 

(International gaging station)

Location.- Water-stage recorder, lat. 49°00'00", long. 116°30'10", in SW£ sec. 8, T. 65 

fj . , 'H . 1 W., 300 feet south of international boundary at Porthill. Datum of gage is 

1,700.00 feet above mean sea level (U. S. Coast and Geodetic Survey datum) and 

1,699.80 feet above mean sea level (datum of Geodetic Survey of Canada, adjustment of 

1928). Gage heights have been reduced to elevations above mean sea level (U. S. Coast 

and Geodetic Survey datum).

Drainage area.- 13,700 square miles.

Records available . - May to July 1904, October 1927 to April 1928 (gage heights only), 

ana April iy2« to September 1947 in reports of Geological Survey. October 1924 to 

September 1927 (gage heights only) in reports of Dominion Water and Power Bureau, 

Department of Mines and Resources, Canada.

Average discharge.- 19 years, 14,120 second-feet.

Extremes .- Maximum daily discharge during year, 91,100 second-feet May 11; maximum ele- 

 vation, 1,762.09 feet May 13; minimum daily discharge, 3,120 second-feet Jan. 5; minimum elevation, 1,741.59 feet Mar. 17.

1928-47: Maximum daily discharge, 93,200 second-feet June 19, 1933; maximum elevatjon, 1,764.08 feet May 31, 1938; minimum daily discharge, 1,380 second-feet Feb. 8, 

1936; minimum elevation, 1,738.21 feet Apr. 3, 1944. 

Maximum elevation known, 1,772.7 feet in June 1894.

sou se o ounary ree remane intac an ow o rver was conne roug 

out year to main channel on which gage and cableway are located. Elevations affected

by backwater from Kootenay Lake .

Cooperation.- This station is one of the international gating stations maintained by 

united states under agreement with Canada.

Elevation, in feet, water year October 1946 to September 1947

Day

1

2

3

4

S

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

46.10

46.15

46.14

46.12

46.12

46.08

46.07

46.04

46.11

46.05

46.06

46.07

46.10

46.09

46.04

46.00

46.00

45.96

45.92

46.00

46.07

45.98

46.01

46.07

46.21

46.45

46.29

46.15

46.07

46.03

45.98

Nov.

46.03

46.06

46.04

46.04

46. O4

46.03

46.01

46. 07

46.03

46.05

46.10

46.02

46.01

45.99

45.98

45.93

45.93

46.04

46.09

45.96

45.90

45.88

45.92

45.92

45.93

45.99

46.02

46.10

46.13

46.12

-

Dec.

46.11

46.10

46.08

46.07

46.08

46.06

46.07

46.05

46.12

46.08

46.20

46.24

46.27

46.21

46.28

46.38

46.20

46.07

46.04

46.08

46 04

4o.09

46.12

46.09

46.10

46.08

46.08

45.99

45.93

45.88

45.86

Jan.

45.87

45.82

45.73

45.67

45.65

45.66

45.61

45.60

45.60

45.64

45.62

45.66

45. BS

45.67

45.58

45.52

45.43

45.36

45.40

45.33

45.33

45.27

45.25

45.21

45.23

45.33

45.32

45.18

44.97

44.89

44.82

Feb.

44.75

44.72

44.72

44.66

44.60

44.53

44.42

44.36

44.29

44.19

44.14

44.15

44.18

44.23

44.35

44.37

44.36

44.32

44.21

44.08

43.97

43.88

43.87

43.88

43.88

43.78

43.64

43.52

-

-

-

Mar.

43.42

43.29

43.22

43.14

42.88

42.76

42.64

42.56

42.44

42.41

42.32

42.16

41.97

41.81

41.69

41.62

41.62

41.72

41.91

42.10

42.25

42.51

42.95

43.16

43.07

42.82

42.56

42.36

42.27

42.34

42.60

Apr.

42.86

43.11

43.30

43.34

43.25

43.03

42.78

42.59

42.45

42.42

42.46

42.47

42.47

42.71

43.45

44.43

45.05

45.61

46.35

47.50

48.15

48.13

47.78

47.46

47.30

47.48

48.32

49.88

51.74

53.25

-

Hay

53.65

53.25

53.50

54.33

55.32

56.26'

57.12

58.25

59.40

60.57

61.44

61.94

62.04

61.84

61.42

60.82

59.97

59.03

58.18

57.54

57.22

56.91

56.67

56.45

56.50

56.86

57.40

57.83

57.99

57.82

57.49

June

57.40

57.62

58.07

58.30

58.35

58.24

58.04

57.77

57.74

58.02

58.14

58.18

58.10

57.98

57.77

57.47

56.98

56.42

56.01

55.82

55.70

55.36

54.75

54.21

53.88

53.73

53.76

53.77

53.56

53.27

-

July

52.82

52.42

52.13

51.98

51. 8E

51.58

51.30

51.10

50.98

50.80

50.51

50.31

50.19

50.04

49.78

49.58

49.46

49.30

48.96

48.66

48.42

48.20

47.97

47.74

47.48

47.24

46.96

46.70

46.54

46.32

46.18

Aug.

45.96

45.66

45.38

45.17

45.08

45.07

45.10

45.07

44.98

44.92

44.90

44.90

44.82

44.73

44.68

44.62

44.57

44.51

44.53

44.58

44.53

44.50

44.56

44.68

44.78

44.87

44.90

44.82

44.80

44.70

44.72

Sept.

44.83

45.00

45.18

45.29

45.47

45.51

45.60

45.71

45.81

46.00

46.09

46.11

46.21

46.10

46.06

46.04

46.01

46.00

46.00

46.02

46.07

46.13

46.17

46.19

46.21

46.22

46.24

46.28

46.26

46.23

-

Note.- Add 1,7OO feet to obtain elevation above mean sea level.
KOOTENAI RIVER BASIN

Discharge, in second-feet, of Kootenal Riyer at Forthill, Idaho, 

water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

7,300

7,230

7,300

7,350

7,640

7,330

7, -190

6,900

6,920

6,830

6,510

6,510

6,300

6,500

6,180

6,150

6,080

5,990

6,060

5,820

6,440

6,470

6,730

6,600

8,440

9,380

8,320

7,560

7,170

6,670

6,320

Nov.

6,170

6,050

5,900

5,740

5,590

5,480

5,390

5,380

5,400

5,350

5,200

5,140

5,040

4,850

4,740

4,420

4,580

5,260

4,870

4,590

3,920

3,520

3,650

4,420

4,810

5,190

5,760

6,270

6,500

6,580

~

Dec.

6,400

5,740

5,720

5,740

5,860

6,0401

6,260

6,280

6,150

6,250

6,980

8,230

8,120

7,580

8,310

8,330

7,570

5,360

5,130

5,090

5,210

5,300

5,360

5,340

5,280

5,120

5,120

4,300

3,740

3,590

3,630

Jan.

3,550

3,660

3,520

3,150

3,120

3,210

4,010

4,390

4,850

5,280

5,440

5,100

4,420

4,240

4,020

4,320

4,440

4,500

4,430

4,470

4,410

4,570

4,880

5,680

6,480

6,990

7,010

6,720

6,340

5,820

5,540

Month

October ..................... .

November . ....................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March ........ ....... . ....

April .............. . . . . ....

May ...........................

June ...................... ...

July ......................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

5,000

4,920

5,080

4,850

5,060

5,010

5,250

5,130

4,780

4,400

4,520

4,760

5,580

6,640

8,150

8,700

9,180

8,800

8,320

7,730

7,350

7,230

7,270

7,900

8,280

8,040

7,630

7,250

-

-

-

Secondfoot days

214,190

155,760 

183,130

6,474,050

148,560

182 810

290 520

724! 600

1,899,200

1,368,000

664,700

307,800

243,370

6,382,640

Mar.

6,890

6,670

6,630

6,160

5,900

5,790

5,760

5,660

5,650

5,700

6,020

6,320

6,280

6,060

6,290

6,390

6,950

8,010

9,390

10,900

12,000

13,500

15,900

16,600

16,000

14,800

13,800

13,000

12,800

13,500

15,200

Maximum

9 38C

6 , 58C

8 , 33C

83.30C

7.01C

9 18C

16 , 60C

53.40C

91,10C

57.30C

30.90C

13,000

9.00C

91,10C

Apr.

16,300

17,300

17,700

17,600

17,000

15,900

14,900

14,000

13,700

13,600

14,000

14,000

14,200

15,500

19,400

22,700

24,500

26,200

28,600

32,600

34,000

32,500

30,300

28,400

27,400

28,200

32,500

40,100

48,100

53,400

-

May

52,300

48,900

50,600

54 , 700

59,100

62,700

67,000

73,400

79,400

86,400

91,100

91,000

88,000

82,800

77,800

71,100

62,600

55,100

49,800

46,900

46,300

45,700

45,000

44,600

45,700

49,200

53,900

57 , 300

56,600

53,400

50,800

Minimum

5, 820

3,520 

3,590

2,870

3,120

4,400

5,650

13,600

44,600

32,000

13,300

7I450

3,120

June

50,500

52,900

55,900

57 , 300

56,800

55,600

53,100

50,400

51 , 200

53,800

54,700

54,800

53,600

52,400

51,200

49,200

45,000

41,300

39,600

40,200

40,900

39,000

35,100

32,800

32,000

32,600

34,100

34,900

34,100

33,000

-

Mean

6,909

5 192

5^907

17,740

4,792

6 , 529

9 372

24 | 150

61 , 260

45,600

21,440

9,929

8,112

17,490

July

30,

29,

28,

28,

28,

27,

26,

25,

26,

25,

24,

23,

23,

23,

22,

21,

21,

21,

19,

18,

17,

17,

16,

16,

15,

15,

14,

14,

13,

13,

13,

Per 

square 

mile

0.504

. 379

1431

1.29

.35C

.477

.684

1.76

4.47

3.33

1.56

.72f

.59?

1.28

900

300

400

600

900

800

500

900

000

400

600

900

600

200

000

100

300

100

500

200

400

200

900

300

800

300

800

300

800

300

400

Aug.

13,000

12,

11,

11,

11,

11,

11,

11,

J.O,

10,

10,

9,

9,

9,

300

700

500

200

200

300

200

700

300

200

900

520

170

8,860

8,770

8,

8,

8,

540

750

700

8,480

8,280

8,

8,

9,

210

720

400

10,200

10,700

10,

9,

9,

8,

500

830

160

920

8,590

Sept.

8,460

8,560

9,000

8,730

8,380

8,ldO

7,760

7,970

8,060

8,160

8,260

8,130

8,240

7,900

7,680

7,980

8,120

7,900

7,580

7,470

7,510

7,450

7,620

7,790

8,300

8,450

8,530

8,530

8,430

8,240

-

Runoff

Inches

0.58

.42

.50

17.59

.40

.50

.79

1.97

5. IB

3.71

1 . 80

. 84

.66

17.33

Ac re- feet

424,800

308,900

363, 200

12,840,000

294,700

362,600

576,200

1,437,000

3,767,000

2,713,000

1,318,000

610,500

482,700

12,660,000
KOOTENAI RIVER BASIN 209

Kootenay Lake ac Kuskonook, British Columbia 

(International gaging station)

Location.- Water-stage recorder, lat. 49°18', long. 116°40', on east shore of lake at 

Kuskonook. Datum of gage is 1,735.00 feet above mean sea level, datui.i of Geodetic 

Survey of Canada, adjustment of 1928. Gage heights have been reduce! to elevations 

above mean sea level referred to U. S. Coast and Geodetic Survey datum, which is 0.20 

foot lower than the Canadian datum as determined at Porthill, Idaho.

Records available.- April 1936 to September 1947.

Extreme s.- Maximum elevation during year, 1,754.48 feet May 16; minimum, 1,740.52 feet

1936-47: Maximum daily elevation, 1,758.79 feet June 7, 1938; minimum daily, 

1,737.83 feet Apr. 5,6, 1944.

Remarks.- Elevation is subject to partial regulation by Corra Linn Dam below outlet. 

Practically no diversion or regulation above Kootenay Lake.

Cooperation.- This station is one of the international gaging stations maintained by 

Canada under agreement with the United States.

Gage height, in feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oot.

45.70

45.73

45.75

45.72

45.68

45.67

45.57

45.67

45.68

45.58

45.72

45.74

45.75

45.75

45.72

45.70

45.69

45.69

45.68

45.71

a45.75

a45.72

a45.72

a45.74

345.73

a45.75

h45.82

a45.74

345.67

345.68

a45.70

Nov.

a45.73

345.74

h45.72

45.74

45.75

45.75

45.77

45.79

45.76

45.79

45.78

45.77

45.77

45.76

45.74

45.72

h45.70

345.81

345.87

345.79

345.74

345.71

345.70

h45.65

345.57

345.68

a45.71

45.72

45.74

45.73

Dao.

45.73

45.77

45.77

45.75

45.73

45.73

45.73

45.73

45.75

45.77

45.80

45.73

45.74

45.74

45.75

45.77

45.76

45.73

45.73

45.73

45.73

45.77

45.75

45.74

45.75

45.75

45.77

45.73

45.72

a45.68

345.55

Jan.

345.60

345.58

345.54

345.49

a45.44

345.39

a45.35

a45.35

345.32

a 45. 34

a45.34

45.32

45.34

345.30

a45.27

345.23

345.17

345.11

h45.10

45.07

45.05

44.99

44.94

44.84

44.76

44.76

44.73

44.63

44.52

44.47

44.43

Feb.

44.35

44.34

44.28

44.23

44.17

44.08

44.00

43.96

43.91

43.84

43.79

43.80

43.74

43.59

43.53

43.54

43.50

43.45

43.39

43.30

43.23

43.18

43.16

43.09

43.01

42.98

42.93

42.85

_

_

-

Mar.

42.78

42.59

42.63

42.52

42.39

42.28

42.20

42.13

42.05

42.00

41.85

41.67

41.49

41.30

41.18

41.07

41.02

40.98

40.95

40.89

40.88

40.90

40.85

40.83

40.83

40.80

40.74

40.67

40.58

40.54

40.54

Apr.

40.55

40.61

40.66

40.72

40. 76

40.76

40.74

40.72

40.57

40.65

40.62

40.61

40.57

40.58

40.63

40.74

40.93

41.18

41.47

41.83

42.22

42.58

42.85

43.06

43.22

43.34

43.54

43.87

44.46

45.10

-

Hay

45.71

46.25

46.53

47.05

47.59

48.15

48.79

49.55

50.46

51.34

52.13

52.88

53.53

54.07

54.37

54.46

54.43

54.22

53.93

53.60

53.28

52.97

52.71

52.47

52.35

52.38

52.50

52.66

52.80

52.91

52.96

June

53.02

53.10

53.19

53.28

53.38

53.42

53.43

53.38

53.38

53.45

53.47

53.47

53.48

53.50

53.45

53.30

53.09

52.92

52.73

52.53

52.27

52.02

52.76

51.52

51.27

51.06

50.92

50.75

50.50

50.32

-

July

50.12

49.89

49.69

49.52

49.32

49.17

49.05

48.90

48.76

48.62

48.45

48.32

48.19

48.07

47.96

47.85

47.72

47.56

47.42

47.25

47.06

45.85

46.64

46.43

45.22

46.02

45.81

45.60

45.47

45.28

45.07

Aug.

44.88

44.68

44.46

44.27

44.22

44.23

44.26

44.23

44.22

44.20

44.19

44.19

44.13

44.07

44.03

44.01

43.97

43.96

43.97

43.98

43.98

43.97

43.98

44.02

44.06

44.09

44.12

44.12

44.10

44.08

44.10

Sept.

44.27

44.45

44.61

44.76

44.92

45.03

45.14

45.25

45.37

45.52

45.58

45.64

45.67

45.51

45.60

45.55

45.54

45.55

45.58

45.60

45.63

45.68

45.73

45.72

45.72

45.73

45.74

45.74

45.75

45.74

-

a Mesn dally elevations computed on bssis of records for station at Queens Bay.

h Staff-gsge resdlng.

Note.- Add 1,700 feet to obtsin elevation above mean sea level.
210 KOOTENAI RIVER BASIN

Fortine Creek near Trego, Mont.

Location.- Wire-weight gage, lat.

. , at private bridge a quarter of a mile upstream from Edna Creek, 1 mile downstream from Stewart Creek, and Of miles southwest

°39', long. 114°55 I , in NE^NE^ sec. 11, T. 33 N. , R. 

ream from 

of Trego.

Drainage area.- Ill square miles.

Records available.- December 1946 to September 1947.

Extremes . - Maximum discharge during period, 948 second-feet Apr. 29, 1947 (gage height, 

iu.a4 feet, from floodmark); minimum daily, 5 second-feet on several days during 

December and January; minimum gage height observed, 0.75 foot Aug. 5.

Remarks . - Records good except those for period of ice effect and for period July 22 to 

sept. 30, which are poor. No regulation or diversion above station.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct. - Nov. Dec.

.

-

_

.

-

_

-

-

_

-

_

-

-

-

-

_

-

-

-

*16

15

15

15

15

15

15

15

10

8

5

5

Jan.

5

5

5

5

5

5

5

8

10

10

10

8

5

5

5

10

15

15

15

15

15

20

22

25

25

22

20

15

12

12

10

Month

October .......................

November ......................

December 20 31 .................

Calendar year .........

January .......................

February ......................

March .........................

April .........................

Mair way ......... .................

June ............ ........... .

July ........ .................

August .......... .............

September .....................

The period. ..................

Feb.

15

25

*21

20

25

25

20

15

10

12

15

20

25

30

30

30

30

30

30

25

25

30

35

30

25

20

15

15

-

-

-

Secondfoot-days

.

149

364

648

2,348

12,650

11,230

3,585

787

368.9

371.8

-

Mar.

15

15

12

12

10

15

20

25

30

30

35

35

35

35

40

40

40

40

*45

50

75

100

150

246

220

193

164

157

140

152

172

Maximum

_

16

25

35

246

889

785

316

53

22

22

-

Apr.

198

227

238

235

204

177

170

170

182

196

214

206

230

316

469

491

520

588

628

716

603

501

44S

430

446

543

739

854

889

822

-

May

625

587

785

778

745

708

660

701

730

682

534

436

366

317

264

240

216

194

178

175

168

159

140

131

127

121

114

101

88

82

78

Minimum

_

5

5

10

10

170

78

55

11

7.4

7.1

-

June

145

172

88

116

152

111

112

112

142

316

264

204

a!82

158

133

118

119

112

96

82

77

70

65

60

55

56

62

73

71

62

-

Mean

_

12.4

11.7

23.1

75.7

422

362

120

25.4

11.9

12.4

-

July

53

49

43

43

40

37

35

33

31

30

30

29

28

25

27

23

21

17

21

20

20

15

13

13

15

15

14

12

12

11

12

Per 

square 

mile

_

0.112

.105

.208

.682

3.80

3.26

1.08

.229

.107

.112

-

Aug.

12

1211

9.0

7.4

8.1

8.7

8.7

8.1

9.0

10

9.7

10

9.7

10

12

12

11

10

8.1

9.4

18

22

22

20

15

14

10

12

14

16

Sept.

15

13

12

11

12

11

10

11

12

12

11

10

11

9.0

7.1

9.7

12

12

15

16

14

12

12

11

10

12

22

18

15

14

Runoff

Inches Acre-feet

0.05 296

.12 722

.22 1,290

.79 4,660

4.24 25,090

3.76 22,270

1.20 7,110

.26 1,560

.12 732

.12 737

64,470

winter discharge measurement made on this day. 

a No gage-height record; discharge Interpolated.

"° te -,- Stage-discharge relation affected by Ice Dec. 2O to Mar. 23; discharge computed on basis 

or 3 discharge measurements and weather records.
KOOTENAI RIVER BASIN

Lake Creek at Troy, Mont.

211

Location.- Water-stage recorder, lat. 48°26'40", long. 115°52'30", in SW^ sec. 18, T. 31

, half a mile upstream 

oy. Prior to Nov. 1, 1946, wire-weight gage

. , . , . N. , R. 33 W., a quarter of a mile downstream from power plant, half a mile upstream 

from mouth, and 1-f miles southeast of Troy. Prior to Nov. 1,

on bridge a quarter of a mile upstream. 

Drainage area.- 211 square miles. 

Records available.- January 1945 to September 1947.

Extremes . - Maximum discharge during year, 2,400 second-feet May 9 (gage height, 6.48 feet); 

minimum, 2.0 second-feet (regulated) Sept. 1.

1945-47: Maximum discharge, that of May 9, 1947; minimum discharge, that of Sept. 1, 

1947.

Remarks.- Records poor. Water diverted returns to stream at power plant abov? station. 

Natural regulation by Bull and Spar Lakes.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29

30 

31

Oct.

122 

146 

132 

125 

122

119 

116 

113 

113 

110

107 

107 

104 

107

98

98 

98 

95 

92 

113

212 

174

195 

170 

432

444 

388 

352 

308 

276 

262

Nov.

242 

134 

160 

160 

178

155 

185 

175 

190 

172

175 

180 

175 

124

162

175 

178 

414 

600 

469

451

456 

460 

469 

392

420 

420 

451 

442 

424

Dec.

402 

402 

388 

388 

402

397 

402 

415

428 

464

560 

595 

590 

627 

835

727 

638 

575 

545

505

478 

464 

451 

451 

451

374 

350 

323 

323 

a280 

a240

Jan.

a220 

a200 

al90 

a!80 

a!80

aEOO 

a210 

a200 

a210 

a210

a220

a200 

al80 

a!70 

a!70

172 

178 

178 

185

192

200 

221 

260 

420 

487

590 

540 

492 

460 

446 

415

Feb.

402 

515 

478 

446 

420

392 

370 

350 

334

326

316 

326 

366 

410 

478

500 

487 

464 

442 

424

424 

410 

415 

420 

415

410 

388 

374

Month

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Hare 

Apr!

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter vear 1946-47 .......................

Mar.

362 

354 

379 

362

342

326 

316 

309

302 

320

384 

362 

342 

334 

320

326

346 

397 

496 

555

627 

733 

835 

835 

805

805 

757 

739 

721 

733 

769

Apr.

763 

775 

733 

739 

727

710

704 

688 

676 

688

676 

671 

666 

698 

805

805 

835 

865 

865

805

835 

835 

835 

835 

865

928 

1,030 

1,340 

1,600 

1,560

Secondfoot-days

5,450 

8,788

14,470

190,289

8,376 

11,502 

15,593 

25,557 

48,180 

28,842 

12,204 

6,444 

4,631

igo-n.^v

May

1,420 

1,380 

1,750 

1,700 

1,560

1,600 

1,650 

2,010 

2,280 

2,180

1,900 

1,800 

1,800 

1,700 

1,560

1,510 

1,460 

1,380 

1,340 

1,380

1,420 

1,380 

1,340 

1,340 

1,420

1,420 

1,420 

1,380 

1,260 

1,260 

1,180

Maximum

444 

600 

835

1,880

590 

515 

835 

1,600 

2,280 

1,220 

644 

245 

180

June

1,140 

1,140 

,140 

,140

,100

,100

,060 

1,030 

1,140 

1,220

1,100 

1,060 

1,060 

1,060 

995

995 

960 

960 

928 

895

865 

835 

805 

775

763

745 

763 

715 

693 

660

Minimum

July

644 

622 

605 

575 

555

540 

515 

500 

474 

451

433 

424 

402 

384 

379

358 

350 

334 

326 

320

295 

292 

284 

281 

278

281 

270 

267 

260 

254 

251

92 

124

240

92

170 

316 

302 

666 

1,180 

660 

251 

156 

124

Aug.

245 

242 

239 

236

230

227 

224 

221 

221

221

215 

212

212 

209 

203

203 

200 

198 

198 

195

192 

195 

206 

203 

198

195 

192 

156 

206 

185 

165

Mean

176 

233 

467

531

270 

411 

503 

832 

1,554 

931 

334 

208 

154

Sept.

124 

165 

165 

162 

160

158 

162 

175 

178 

180

170 

162 

152 

146 

148

150 

150 

150 

152 

148

144 

144 

144 

144 

144

152 

160 

152 

146 

144

Runoff in 

acre-feet

10,810 

17,430 

28,700

377,400

16,610 

22,810 

30,930 

50,720 

95,560 

57,210 

24,210 

12,780 

9,190

a No gage-height record; discharge computed on basis of weather re
212 KOOTENAI RIVER BASIN

Boulder Creek near Leonla, Idaho

Location - Water-stage recorder, lat. 48°36', long. 116°06", in NE£ sec. 32. T. 61 N 

KT3E., three-quarters of a mile downstream from McGinty Creek, three-quarters of'a 

mile upstream from buildings of the Idaniont Lead-Zinc Mines Co., 2f miles upstream 

Irom moath, and 2j miles southwest of Leonia.

Driinage area.- 53 square miles.

Records available.- November 1928 to September 1947. April to September (revised) 1928 

at site 1 mile downstream.

Average discharge.- 18 years (1929-47), 103 second-feet.

Extremes.- Maximum discharge during year, 1,140 second-feet May 2 (gage height, 5 09 

feet); minimum daily, 10 second-feet Oct. 1, Nov. 21.

1928-47: Maximum discharge, 2,170 second-feet Dec. 2, 1941; maxinum gage height 

6.28 feet Dec. 2, 1941 (drift jam), site and datum then in use; mininum discharge, 

2 second-feet Aug. 25, Sept. 5, 1931.

Remarks - Records good except those for periods of ice effect or no gage-height record 

wnieh are poor. Ho diversion or regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

10

12

13

12

12

12

12

11

11

11

11

11

11

11

11

11

11

11

11

29

51

29

29

32

119

49

33

26

26

24

22

Nov.

22

18

21

22

21

*21

20

19

18

18

18

17

17

18

18

17

18

15

12

11

10

12

17

23

40

55

64

62

54

45

"

Dec.

44

45

46

48

50

49

47

46

50

62

110

88

*73

67

60

45

30

30

35

40

45

46

40

40

35

33

32

20

20

21

23

Jan.

25

23

20

19

23

30

45

52

58

56

54

46

40

32

25

30

35

34

32

30

30

35

48

75

90

80

70

58

45

45

40

Month

October .......................

November ......... ............

December ......................

Calendar year 1946 .........

January .......................

February ......................

March .........................

April .........................

May

June .............. .... ....

July ................. . . .....

August ........................

September ............ .... ...

Water year 1946-47 . . . .

Feb.

40

45

45

40

35

33

33

32

32

33

44

85

*136

180

212

163

132

117

117

93

88

86

95

106

99

90

80

72

_

-

-

Secondfoot-days

684

743

1,420

49,906

1 , 325

2 , 363

10^735

16 , 405

4,252

933

496

534

43,103

Mar.

65

60

59

57

53

50

48

50

50

50

50

48

46

47

51

60

74

106

129

142

166

241

219

188

163

144

129

136

152

186

194

Maximum

119

64

110

1,060

90

212

241

866

241

57

41

26

893

Apr.

206

212

197

177

158

142

129

126

129

139

129

126

149

267

356

360

398

460

599

606

478

442

f420

f420

f434

f522

fS14

f753

f866

f721

-

May

560

798

794

741

749

741

794

893

826

701

603

572

553

522

489

463

395

378

413

456

449

388

374

398

424

434

381

315

281

269

251

Minimum

10

10

20

9

19

32

46

126

251

18

12

12

1U

June

231

222

209

206

188

174

152

160

225

241

186

166

166

171

144

136

136

134

119

104

90

84

78

73

70

84

95

78

68

62

Mean

22.1

24.8

45. 8

129

42.7

84.4

104

358

529

142

30.1

16 . 0

17.8

118

July

57

52

49

46

42

40

38

36

34

33

32

31

29

28

33

28

26

26

24

23

22

22

20

20

20

20

20

22

22

20

18

Per 

square 

mile

0.417

. 468

. 864

2.43

806

1 .59

1 . 96

6 . 75

9.98

.568

.302

.336

2.23

Aug.

18

16

16

16

16

15

14

14

15

18

16

16

15

14

13

14

14

13

12

12

12

15

41

20

17

16

15

14

14

17

18

Sept.

16

14

14

13

12

12

14

18

22

20

17

15

14

14

17

22

18

20

20

24

24

22

£0

18

18

18

18

17

17

Runoff

Inches

0 .48

.52

1.00

52.91

93

1.66

2 25

7.53

11.51 2 . 98

.65

.35

.37

30.23

Ac re- feet

1,360

1,470

2,820

93,040

2 , 63O

4,690 

6,370

'1 290

32^540

8,430

1,850 

984

1,060

85,490

* Winter discharge measurement made "n this day. 

f Computed from partly estimated gage-height record. 

Note.- Stage-discharge relation affected by ice Nov. 13 to Dec. 

height record Nov. 11-3J, Dec. 17 to Jan. 9, Jan. IP ^ "~^ ^"

omputed on basis of weather records

, Dec. 14 to Feb. 11. 

Feb. 12, Feb. 26 to Mar. 2, Mar.

Kootenai River tributaries

No gage6; discharge
KOOTENAI RIVER BASIN 21?

Moyie River at Eastport, Idaho 

(International gaging station)

Location.- Water-stage recorder, lat. 49°00', long. 116°11', in SE£ sec. 10, T. 65 N.,

HT~2~E"., at Eastport, 1,000 feet dovmstream from international boundary. 

Drainage area.- 570 square miles. 

Kecords available.- August 1929 to September 1947 in reports of Geological Survey.

January to December 1915, March to December 1916, and discharge measurements during

1914 and 1917, in reports of the Dominion Water and Power Bureau, Department of Mines

and Resources, Canada.

Average discharge.- 18 years, 617 second-feet. 

Extremes.- Maximum discharge during year, 6,800 second-feet May 10 (gage height, 9.17

reet); minimum, 44 second-feet Nov. 18 (gage height, 3.42 feet), but may have been

less during periods of ice effect.

1929-47: Maximum discharge, that of May 10, 1947; maximum gage height, 9.46 feet

Apr. 28, 1934; minimum discharge, 23 second-feet Nov. 7, 1936 (gage height, 3.20 feet). 

Remarks.- Records excellent except those for periods of ice effect or no gags-height

record, which are fair. No regulation or diversion above station. 

Cooperation.- This station is one of the international gaging stations maintained by the

united states under agreement with Canada.

Rating table, water year 1946-47, except periods of ice effect

(gage height, in feet, and discharge, in second-feet)

(Shifting-control method used Oct. I to Nov. 15)

3.4 44 4.5 432 7.0 3,180 

3.5 63 5.0 758 8.0 4,760 

3.6 86 5.5 1,200 9.0 6,490 

3.8 140 6.0 1,770 

4.0 205 6.5 2,440

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

a98 

alOS 

alZO 

115 

112

107 

a!06 

a 105 

a 104 

a!03

a!02 

alOl 

alOO 

102 

99

94 

96 

94 

96

102

156 

137 

132 

132 

149

171 

159 

140 

156 

143 

146

Nov.

143 

129 

143 

132 

*129

132 

129 

126 

115 

123

118 

112 

105 

105 

107

100 

105 

90 

60 

56

55 

70 

100 

125 

145

155 

160 

155 

150 

140

Dec.

130 

135 

134 

143 

159

159 

156 

152 

149 

162

*243 

235 

213 

198 

195

170 

130 

125 

145 

160

175 

180 

155 

160 

150

145 

140 

80 

SO 

85 

100

Jan.

110 

100 

85 

80 

95

120 

130 

140 

150 

160

150 

140 

130 

115 

110

140 

140 

130 

130 

120

125 

140 

160 

205 

228

220 

202 

190 

180 

180 

160

Feb.

160 

180 

180 

*160 

150

140 

140 

135 

135 

140

150 

180 

239 

268 

406

400 

369 

345 

326 

308

290 

285 

326 

384 

364

340 

326 

303

u~«+u Second 

Month foot-days

Ootc 

Nove 

Decs

Ci

Jam 

Febi 

Hare 

Apn 

May 

Jnn< 

Julj 

Augi 

Sep1

ff!

aber ......................

3,685 

3,514 

4,743

ilendar year 1946 ......... 296,881

lary

Ll .........................

....... ........... 1

: ember .....................

4,465 

7,129 

5,832 

4,997 

>0,140 

14,752 

9,566 

3,618 

3,433

iter year 1946-47 .......... 285,879

Mar.

285 

268 

272 

264 

247

239 

228 

224 

216

220

220 

220 

216 

*228 

251

308 

406 

526 

629 

691

ld\ 

1,000 

1,020 

886 

813

736 

684 

728 

886 

1,080 

1 , 120

Maximum

171 

160 

243

5,640

228 

406 

1,120 

5,000 

6,470 

2,*50 

643 

149 

149

6,470

Apr.

1,220 

1,290 

1,200 

1,120 

992

895 

 853 

828 

878 

956

938 

947 

1,100 

1,590 

2,060

2,070 

2,330 

2,580 

3,120 

3,660

3,040 

2,780 

2,580 

2,430 

2,510

3,000 

3,840 

4,510 

5,000 

4,680

May

3,950 

3,840 

4,400 

4,510 

4,780

5,020 

5,340 

6,290 

5,470 

6,470

5,800 

5,300 

5,050 

4,530 

4,010

3,630 

3,300 

2,980 

2,800 

2,790

2,860 

2,680 

2,580 

2,600 

2,740

2,920 

2,900 

2,640 

2,410 

2,310 

2,240

Minimum

94 

55 

80

55

80 

135 

216 

828 

2,240 

677 

152 

91 

94

55

June

2,230 

2,190 

2,110 

1,980 

1,900

1,770 

1,650 

1,630 

2,100 

2,450

2,150 

2,OOO 

1,900 

1,890 

1,700

1,570 

1,460 

1,360 

1,270 

1,160

1,060 

974 

903 

844 

797

781 

789 

743 

714 

677

Mean

119 

117 

153

813

144 

255 

511 

2,167 

3,875 

1,492 

309 

117 

115

783

July

643 

602 

563 

526 

495

466 

438 

406 

379 

359

340 

321 

303 

294 

285

264 

256 

243 

232 

216

205 

195 

185 

178 

174

171 

171 

171 

174 

159 

152

Per 

square 

mile

0.209 

.205 

.268

1.43

.253 

.447 

.896 

3.80 

6.80 

2.62 

.542 

.205 

.202

1.37

* Winter discharge measurement made on this day. 

a Ho gage-height record; discharge computed on basis of recorded range in stag 

ords, and records for station at Eileen. 

Note.- Stage-discharge relation affected by ice No/. 13, 14, Nov. 16 to Dec. 2 

23, Jan. 28 to Feb. 12.

Aug.

149 

140 

134 

134 

132

129 

126 

120 

120 

123

118 

115 

112 

109 

104

107 

107 

102 

96 

94

91 

99 

149 

129 

115

109 

107 

102 

99 

118 

129

Sept.

112 

107 

102 

96 

94

94 

99 

107 

112 

126

115 

102 

99 

99 

99

104 

109 

107 

115 

118

123 

140 

149 

146 

137

132 

126 

123 

123 

123

Runoff

Inches

0.24 

.23 

.31

19.36

.29 

.47 

1.03 

4.24 

7.84 

2.92 

.6? 

.24 

.22

18.65

Ac re- feet

7,310 

6,970 

9,410

589,000

8,860 

14,140 

31,400 

128,900 

238,300 

88,760 

18,970 

7,180 

6,820

567,003

e, and weather rec- 

, Dec. 16 to Jan.
214 KQQTENAI RIVER BASIN

Moyle River at Eileen, Idaho

Location.- Water-stage recorder, lat. 48°46', long. 116°10', in NE£ sec. 35, T. 63 N., 

R. 2 E., an eighth of a mile downstream from Skin Creek, a quarter of a mile southeast 

of Eileen, and 4 miles upstream from mouth.

Drainage area.- 755 square miles.

Records available.- October 1925 to September 1947.

Average discharge.- 22 years, 776 second-feot.

Extremes.- Maximum discharge during year, 7,210 seeond-feet May 10 (gage height, 5.72 

feet); minimum, 59 seeond-feet Nov. 18 (gage height, 0.53 foot), but may have been 

less during period of ice effect.

1925-47: Maximum discharge, 8,780 second-feet Apr. 29, 1934, from rating curve 

extended above 6,500 second-feet; maximum gage height, 5.8 feet, present datum, May 17, 

June 10, 11, 19S7, May 13, 17-19, 1928; minimum discharge, 40 second-feet Nov. 27, 

1936; minimum gage height, 0.50 foot, present datum, Feb. 22, 1944.

Remarks.- Records good except those for periods of ice effect, which are fair. No diver- 

~slon or regulation above station.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

136

155

188

183

170

161

157

151

149

145

142

142

140

140

140

140

136

138

138

159

204

204

190

186

204

246

227

204

204

200

195

Nov.

2OO

186

172

179

*179

179

179

174

168

168

170

157

151

153

159

149

157 1'32

85

80

80

100

130

200

2 2O

240

260

255

233

210

-

Dec.

192

200

200

222

236

233

230

227

222

238

362

*375

324

307

304

238

180

180

210

250

260

275

230

244

225

217

210

120

120

130

150

Jan.

170

150

130

120

140

200

230

250

2 SO

272

252

217

200

176

168

214

212

197

195

181

192

200

244

415

478

510

401

321

284

297

246

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January ... ....... ...........

February ......................

March ......... ....... ......

April ......... ....... ......

May ........... ...............

June ..........................

July ..........................

August .................... ...

September ..................

Water year 1946 47 ..........

Feb.

240

270

260

24O

230

220

210

 210

210

210

230

270

400

685

943

778

626

578

537

494

478

468

510

620

608

549

521

505

_

_

-

Seoondfoot-days

5,274

5,105

7,111

367,574

7,522

12 , 1OO

23,033

79,820

134,630

12 325

5J466

5,188

349,552

Mar.

468

443

448

410

379

371

366

350

342

350

358

362

346

362

396

473

*608

763

898

l.OOO

1,030

1,300

,420

,290

,170

,070

,010

,020

,180

1,480

1,570

Maximum

246

260

375

6,670

510

943

1,570

5,830

6,980

2,770

793

231

204

6,980

Apr.

1,690

1,800

1,730

1,630

1,470

1,310

1,240

1,190

1,230

1,340

1,330

1,300

1,440

1,960

2,580

2,600

2,880

3,140

3,500

4,180

3,650

3,340

3,120

2,920

2,960

3,390

4,260

5,290

5,830

5,520

May

4,690

4,470

5,150

5,290

5,540

5,870

5,990

6,760

3,980

6,980

6,370

5,850

5,530

5,000

f4,410

f3,990

3,640

3,300

3,150

3,170

3,260

3,040

2,930

2,930

3,100

3,280

3,210

2,960

2,700

2,590

2,500

Minimum

136

80

120

80

120

210

342

1,190

2,500

846

212

149

149

80

June

2,460

2,410

2,380

2,230

2,200

2,060

1,920

1,890

2,340

2,770

2,430

2,290

2.17O

2,200

1,990

1,850

1,750

1,620

1,510

1,400

1,280

1,180

1,100

1,020

960

950

97O

920

882

846

Mean

170

170

229

1,007

243

432

743

2,661

4,343

1,733

398

176

173

958

Jily

793

743

695

657

614

579

547

515

486

457

431

410

391

373

377

347

330

318

307

292

278

268

258

251

242

234

228

234

236

222

212

Per 

square 

mile

0.225

.225

.303

1.33

. 322

.572

. 984

3 52

5 75

2 . 30

.527

. 233

!229

1.27

Aug.

204

196

190

188

188

184

179

175

173

177

175

171

168

164

160

160

166

162

155

150

149

157

231

219

186

175

169

168

164

175

188

Sept.

177

175

166

159

152

149

154

160

173

184

177

166

159

154

152

162

169

168

179

175

175

190

204

202

194

188

186

181

179

179

Runoff

Inches

0.26

'.35 25

18.11

.37

.60

1.13

3 .93

6.63

2 .56

.61

.27

.26

17.22

Acre-feet

10,460

10,130

14,100

729 '

14,920

24,000

45,690

267!oOO

103,100

24,450

10,840

10,290

693,300

* Winter discharge measurement made on this day. 

f Computed from partly estimated gage-height record. 

Note.- Stage-discharge relation affected by Ice Nov. 

13.

20-27, Dee. 17-21, Dee. 28 to Jan. 9, Feb. 1-
KOOTENAI RIVER BASIN 215

Deep Creek at Moravia, Idaho

Location.- Staff gage, lat. 48°38', long. 116°24', in sec. 18, T. 61 N., R. IE., at 

concrete highway bridge, 1 mile downstream from Ruby Creek and 1 mile southwest of 

Moravia.

Drainage area.- 133 square miles.

Records available. - May 1928 to September 1947 (no winter records prior to 1933).

Average discharge.- 15 years (1932-47), 129 second-feet.

Extremes.- Maximum discharge observed during year, 779 second-feet May 8 (gage height, 

3.3b' reet); minimum observed, 13 second-feet Aug. 20, Sept. 4, 5 (gage height, 0.36 

foot).

1928-47: Maximum discharge observed, 1,300 second-feet Dec. 22, 1933; maximum 

gage height observed, 4.46 feet May 6, 1945; minimum discharge observed, 5 secondfeet Aug. 14, 22, 1940; minimum gage height observed, 0.00 foot Aug. 22, 1940.

Remarks.- Records fair except those for periods of ice effect, which are poor. Staff 

gage read once daily. Small diversions above station for irrigation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

910-

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

18 

19 

18 

18 

19

18 

17 

17 

18 

18

18 

18 

18 

18 

18

18 

19 

23 

27 

42

56 

42 

35 

37 

114

69 

64 

51 

46 

35 

35

Nov.

40 

42

42 

44 

40

35 

35 

35 

33 

33

33 

31 

31 

32 

33

31

33 

27 

22 

20

18 

2O 

30 

45 

80

137 

145 

170 

125 

114

Dec.

110 

103 

90 

100 

110

10.7 

103 

103 

118 

170

212 

170 

157 

141 

133

120 

80 

80 

90 

100

105 

107 

10O 

93 

90

86 

72 

55 

55 

58 

60

Jan.

65 

60 

53 

5O 

60

80 

90 

100 

107 

118

130 

110 

90 

75 

50

55 

60 

60 

55 

55

55 

60 

80 

130 

190

14O 

120 

110 

105 

10O 

100

Feb.

106 

110 

118 

107 

1OO

95 

90 

85 

85 

 87

10O 

170 

250 

300 

379

339 

309 

286 

257 

246

241 

246 

252 

246 

257

214 

214 

210

Month Second 

foot-days

Octo 

Move 

Deoe

Ca

Jam; 

Febr 

Marc 

Apr! 

May 

June 

July 

Augu 

Sept

Va

lendar year 1946

1 ......................... i

st ........................

ember .....................

983 

1,556 

3,278

8,143

2,713 

5,498 

7,270 

3,074 

2,786 

4,686 

1,176 

533 

634

ter year 1946-47 .......... 54,187

Mar.

214 

220 

225 

190

164

159 

164 

159 

164 

168

186 

181 

176 

168 

164

176 

2OO 

*230 

246 

280

297 

303 

309 

327 

306

271 

271 

271 

283 

361 

437

Maximum

114 

170 

212

1,040

190 

379 

437 

629 

779 

222 

69 

39 

41

779

Apr.

460 

487 

453 

420 

370

327 

309 

306 

306 

300

300 

294 

294 

367 

430

424 

437 

477 

518 

629

518 

483 

456 

424 

437

490 

546 

629 

629 

554

May

483 

511 

583 

576 

591

583 

622 

779 

629 

622

546 

456 

463 

392 

289

289 

294 

294 

3OO 

312

312 

300 

283 

294 

318

355 

318 

283 

238 

238 

233

Minimum

17 

18 

55

11

50 

85 

159 

294 

233 

72 

24 

13 

13

13

June

222 

217 

207 

210 

202

207 

207 

2O7 

2O2 

20O

190 

172 

186 

200 

168

153 

157 

155 

145 

131

118 

105 

101 

98 

88

94 

101 

91 

80 

72

Mean

31.7 

51.9 

106

159

87.5 

196 

235 

436 

412 

156 

37.9 

17.2 

21.1

148

July

69 

66 

64 

58 

55

53

51 

47 

45

44

42 

42 

40 

37 

35

33 

33 

33 

28 

e27

e26 

e25 

e24 

e24 

e24

e24 

24 

26 

29 

24 

24

Per 

square 

mile

0.238 

.390 

.797

1.20

.658 

1.47 

1.77 

3.28 

3.10 

1.17 

.285 

.129 

.159

1.11

Aug.

20 

19 

18 

IB 

18

17 

17 

16 

16 

17

17 

16 

16 

16 

14

14 

14 

14 

14 

13

14 

16 

39 

26

IB

17 

16 

14 

14 

18 

17

Sept

16 

14 

14 

13 

13

14 

15 

21 

24 

35

24

17 

16 

16 

15

41 

30 

26 

24 

24

24 

24 

24 

24 

22

23 

21

20 

20 

20

Runoff

Inches

0.27 

.44 

.92

16.26

.76 

1.54 

2.03 

3.66 

3.58 

1.31 

.33 

.15 

.18

15.17

Acre-feet

1,950 

3,090 

6,500

115,300

5,380 

10,910 

14,420 

25,930 

25,360 

9,290 

2,330 

1,060 

1,260

107,500

* Winter discharge measurement made on this day. 

e Stage-discharge relation affected by obstruction In channel or gage readings In e"ror; discharge 

computed on basis of records for other Kootenal River tributaries. 

Note.- Stage-discharge relation affected by Ice Nov. 11-25, Dec. 16-21, Dec. 28 to Jan. 8, Jan. 11 

to Feb. 2, Feb. 5-14.

903681 O - 50 - 15
216 KOOTENAI RIVER BASIN

Lnng Canyon Creek near Porthill, Idaho

Location.- Water-stage recorder, lat. 48°57', long. 116°32', in NW^ sec. 36, T. 65 N., R. 

aw., at U. S. Forest Service bridge at mouth of canyon, 4 miles southwest of Porthill.

Drainage area.- 29 square miles.

Records available.- May 1928 V< September 1947 (no winter records prior to 1935).

Average discharge.- 13 years (1934-47), 54.1 Eecond--feet.

Extremes.- Maximum discharge during year 569 second-feet May 8 (gage height, 4.02 feet); 

minimum, 8 second-feet Oct. 16 (gage height, 1.19 feet).

1928-47: Maximum daily discharge, 950 second-feet (estimated) Jun3 15, 1933; maximum gage heignt, 8.55 feet, present datum, June 14, 15, 1933 (drift jam); minimum discharge, 3 second-feet Nov. 1-3, 28, Dec. 4-10, 1936, Jan. 6-8, 1937, Dec. 13, 1940; 

minimum gage height, 0.76 foot Nov. 25, 1943.

Remarks.- Records good except those for periods of ice effect or no gage-height record, 

which are poor. No diversion above station.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24

25

26 

27 

28 

29 

30 

31

Oct.

14 

15 

15 

14 

14

14

13 

13 

13 

13

13 

13 

12 

13 

12

12 

12 

12 

13 

19

32 

22 

21 

22 

90

53 

40 

30 

36 

28 

29

Nov.

27 

18 

22 

*23 

23

24 

23

21 

18 

21

19

12 

17 

18 

18

16 

18 

b!6 

b!2 

bll

blO 

b!3 

21 

24

22

21 

20 

22 

21 

20

Dec.

19 

19 

19

21 

26

23 

22 

21 

21 

*21

39 

29

24 

21 

21

16 

14 

16 

18 

19

20 

22 

21 

20

19

18 

17 

11 

11 

12 

12

Jan.

13 

IE

11 

11 

11

12 

13 

15 

16 

17

14 

14 

14 

14 

13

13 

13 

13 

13

13

13 

13 

13 

21

20

19 

17 

13 

16 

15 

14

Month

Ooto 

Hove 

Dece

Ca

Jami 

Febr 

Hare 

Apr! 

May 

June 

July 

Augu 

Sept

Wa

lendar year 1946 

ary

st ........................

ember . .

ter year 1946-47 ..........

Feb.

14 

15

14 

14 

14

13 

13 

13 

13

13

13 

14 

20 

30 

41

29 

25 

23

21

21

21 

22

23 

23

21 

21 

21

Secondfoot-days

672 

571

612

25,947

439 

547 

842 

3,030 

10,106 

7,193 

2,034 

555 

683

27,284

Mar.

20 

20 

19 

19 

18

18 

18 

18 

18 

18

18

17 

17 

17 

18

20 

25

32 

34 

35

37 

47 

44 

40 

37

35 

33

33 

34 

39 

44

Maximum

90 

27 

39

375

20 

41 

47 

272 

523 

317 

150 

24 

44

523

Apr.

53 

54 

49

46 

42

40 

37 

37 

37 

39

37

37 

39 

56 

73

74 

84 

102

132 

164

150

142 

134 

128 

130

148 

194 

242 

272 

258

May

240 

253 

284 

288 

291

298 

352 

523 

498 

475

377 

352 

340 

308 

308

305 

296

260 

260 

291

300 

288 

293 

298 

312

362 

357 

327 

324 

324 

322

Minimum

12

10 

11

-

11 

13 

17 

37 

240 

152 

25 

13 

12

10

June

315 

317 

308 

285 

293

291 

267 

272 

305 

300

267 

260 

262 

249 

225

222 

222 

222 

222 

218

199 

199 

196 

196 

196

194 

196 

178 

164 

152

Mean

21.7 

19.0 

19.7

71.1

14.2 

19.5 

27.2 

101 

326 

240 

65.6 

17.9 

22.8

74.8

July

150 

148 

142 

132

124

116 

111 

100 

92 

85

74 

67 

60 

55 

58

48 

42 

39 

37 

35

32 

30 

30 

28 

27

27 

27 

33 

33 

27 

25

Per 

square 

mile

0.748 

.655 

.679

2.45

.490 

.672 

.938 

3.48 

11.2 

8.28 

2.26 

.617 

.786

2.58

Aug.

24 

23 

22 

22 

22

21 

20 

19 

20 

22

20 

19 

18

17 

16

16 

17 

16 

14 

14

14 

16 

22 

17 

16

15 

14 

14 

13 

16 

16

Sept.

15 

14 

13 

13 

12

12

15 

El 

26 

29

21 

18 

17 

16 

15

21 

22 

20 

20 

22

28 

41 

44 

40 

35

31 

28 

26 

£4 

24

Runoff

Inches Acre-feet

0.86 1,330 

.73 1,130 

.78 1,210

33.26 51,460

.56 871 

.70 1,080 

1.08 1,670 

3.89 6,010 

12.96 20,040 

9.22 14,270 

2.61 4,030 

.71 1,100 

.88 1,350

34.98 54,090

* Winter discharge measurement made on this day. 

b Stage-discharge relation affected by ice.

of weather records
KOOTENAI RIVER MS III 217 

Smith Creek near Pot-thill, Idaho

Location.- Water-stage recorder, lat. 48°57'40", long. 116°33'20", in NE£ see. 26, T. 

65 K., R. 2 W. , at U. S. Forest Service bridge, 1 mile south of Smith Creek ranger 

station and 4 miles southwest of Porthill.

Drainage area.- 70 square miles.

Records available.- May 1928 to September 1947 (no winter records 1928-30, 1932-34).

Average discharge.- 15 years (1930-32, 1934-47), 163 second-feet.

Extremes.- Maximum discharge during year, 1,610 second-feet May 8 (gage height, 5.64 

feet); minimum recorded, 13 second-feet Oct. 16 (gage height, 1.22 feet), but may 

have been less during periods of no gage-height record.

1928-47: Maximum discharge, 3,150 second-feet May 17, 1941 (gage height, 7.36 

feet), from rating curve extended above 1,600 second-feet; minimum, 4 second-feet 

Dec. 4-10, 1936; minimum gage height, 0.78 foot Sept. 4, 1931.

Remarks.- Records good except those for October and Dec. 10-15, which are fair, and those 

for periods of ice effect or no gage-height record, which are poor. No diversion 

above gage.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

24

26

28

27

28

27

26

25

25

25

25

24

24

24

24

20

22

2?.

23

48

153

79

67

74

310

168

122

94

94

78

72

Nov.

67

40

45

h54

56

60

CO

55

50

50

45

40

45

45

45

40

45

40

 30

28

27

35

50

60

58

55

54

58

55

50

-

Dec.

50

50

50

55

70

65

60

60

60

*h74

131

96

77

70

72

50

40

45

50

55

58

60

60

60

55

50

50

40

40

45

48

Jan.

50

45

40

37

37

40

45

48

49

50

50

48

h36

35

30

30

30

30

30

30

30

28

27

45

70

60

50

40

40

40

40

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March .........................

April .........................

May ...........................

June ..........................

July ..........................

Angust ........................

September .....................

Water year 1946-47 ..........

Feb.

40

40

*h40

40

40

38

37

37

37

37

38

45

70

130

166

130

115

103

94

86

85

85

91

92

85

70

65

65

_

_

-

Secondfoot-days

1 1 828

1,442

1,846

80,053

1,260

2,001

9, 939

29,455

15,524

2 ,892

837

1,630

71,327

Mar.

62

62

63

*62

54

52

55

53

54

54

54

51

51

53

58

68

80

97

105

109

116

144

139

130

120

114

109

110

117

133

144

Maximum

310

67

131

1,570

70

166

144

1,030

1,490

220

47

110

1,490

Apr.

159

162

153

144

134

128

125

123

125

134

131

130

139

193

239

244

282

353

482

590

451

393

357

334

364

500

696

850

1,030

795

-

May

645

773

905

949

1,090

1,160

1,300

1,490

1,350

1,280

1,120

1,070

1,100

905

795

778

696

640

707

806

861

762

795

900

1,080

j.,150

1,080

900

806

800

762

Minimum

20

27

40

-

27

37

51

123

640

234

18

18

18

June

734

784

729

696

712

665

575

640

^8

834

630

595

645

615

496

473

482

478

447

372

317

310

307

297

285

301

409

317

257

234

-

Mean

59 0

48 '.1

59 5^

219

40.6

71.5

86 . 2

331

950

517

93 . 3

27.0

54.3

195

July

220

206

191

172

159

150

139

126

119

110

101

93

86

80

101

79

69

63

58

53

49

45

42

41

40

40

38

63

73

47

39

Per 

square 

mile

0.843

. 687

. 850

3.13

.580

1.02

1.23

4 73

13.60

7 39

1.33

. 386

.776

2.79

Aug.

36

32

29

29

41

30

26

24

26

41

31

28

28

24

22

23

28

23

20

18

18

20

47

31

26

23

20

19

18

24

32

Sept.

24

20

20

18

18

18

29

66

107

107

64

49

40

35

32

53

61

53

53

59

96

110

94

76

65

59

58

53

48

45

Runoff

Inches Acre-feet

0 . 97 3, 630

.77 2,860

. yo o, DO

42. ?4 158,800

.f7 2,500

1.06 3,970

1.42 5,300

5 . ?8 19, 710

15.e5 58,420

8.J-5 30,790

1.E4 5,740

.44 1,660

.87 3,230

37.90 141,500

* Winter discharge measurement made on this day.

h Computed from staff-gage reading.

Note.- No gage-height record Nov. 2, 3, Nov. 5 to Dec. 9, Dec. 16 to Jan. 12, Jan. 14 to Jan. 22, 

Jan. 29 to Feb. 2, Feb. 4-13, 17, Feb. 27 to Mar. 2; discharge computed on basis of discharge measurements, weather records, and records for Boundary Creek and other Kootenai River tributaries. 

Stage-discharge relation affected by ice Jan. 24 to Feb. 13 and during much of periods of no gageheight record.
218 KOOTENAI RIVER BASIN

Boundary Creek near Porthill, Idaho 

(International gaging station)

Location.- Water-stage recorder, lat. 48°59'50", long. 116°34'05", in SWij sec. 11, T.

b'5 N., R. 2 W., 140 feet downstream from bridge at mouth of canyon, 0.2 mile south

of international boundary, and 3 miles west of Porthill. 

Drainage area.- 97 square miles. 

Kecords available.- May 1928 to September 1947. 

Average aischargeT- 17 years (1930-47), 170 second-feet. 

Extremes.- Maximum discharge during year, 1,700 second-feet May 7 (gage height, 4.54

feet); minimum, 14 second-feet Oct. 16 (gage height. 0.51 foot).

1928-47: Maximum discharge, 2,400 second-feet June 15, 1933 (gege height, 5.22

feet), from rating curve extended above 1,500 second-feet; minimum, 5 second-feet

sometime between Nov. 10 and Dec. 3, 1936 (gage height, 0.27 foot). 

Remarks.- Records good except those for periods of ice effect or no gage-height record,

which are poor. No diversion above station. 

Cooperation.- This station is one of tne international gaging stations maintained by the

united states under agreement with Canada.

Rating table, water year 1946-47, except periods of ice effect

(gage height, in feet, and discharge, in second-feet)

(Shifting-control method used.Oct. 1 to Mar. 18)

0.6 18 1.7 145 3.5 910 

.8 30 2.0 217 4.0 1,27O 

1.0 46 2.3 316 4.5 1,670 

1.2 67 2.7 485 

1.4 93 3.1 675

Discharge, in seoond-feet, water year October 1946 to Septembe- 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

24 

25 

26 

25 

25

24 

24 

23 

23 

22

22 

22 

22 

22 

22

18 

20 

20 

25 

35

93 

53 

53 

49 

111

78 

57 

32 

52 

41 

44

Nov.

41 

26 

b31 

*b32 

b34

b36 

b36 

b33 

b30 

b33

b31 

b26 

b28 

b29 

b29

b27 

b29 

b26 

b21 

b!9

b!8 

b23 

b33 

b40 

a37

336 

a35 

a39 

a36 

a35

Dec.

a35 

a35 

a35 

a37 

a46

a41

a39 

a38 

a38 

*40

63 

b50 

b42 

b38 

b40

b32 

b27 

b31 

b35 

b38

b40 

b43 

b43 

b42

38

34 

34 

b27 

b27 

b30 

b33

Jan.

b35 

b32

b28 

b27 

b27

b29 

b32

b34 

b36 

b37

b38 

b35 

29 

b28 

b26-

a27 

27 

27 

27 

27

27 

29 

40 

44 

43

42 

b35 

b32 

b35 

b33 

a32

"°nth tort

Ooto 

Nove 

Dace

Ca

Janu 

Febr 

Hare 

Apr! 

May 

June 

Juls 

Augu 

Sept

ffa

mber ......................

Feb.

a32 

a34 

*b34 

b34 

b34

b31 

b31 

b3l 

b31 

b31

b31 

b35 

49 

77 

92

75 

72 

75 

82 

78

66 

62 

60 

64 

62

a55 

a55 

a55

ond 

-days

1,132 

929 

1,171

lendar year 1946 ......... 81,007

ary .

Tiary

h .........................

1 ......................... ]

st ........................

ember .....................

1,000 

1,468 

2,435 

0,251 

0,172 

5,146 

2,875 

1,147 

1,361

ter year 1946-47 .......... 69,087

Mar.

a.5?. 

*51 

51 

49 

46

46 

46 

45 

43 

43

43 

43 

43 

43 

46

53 

66 

83 

96 

106

116 

132 

134 

124 

116

107 

104 

104 

118 

137 

149

Maximum

111 

41 

63

1,610

44 

92 

149 

1,040 

1,560 

845 

214 

52 

73

1,560

Apr.

164 

171 

164 

156 

141

136 

128 

123 

121 

126

al25 

a!25 

a!35 

a 140 

a240

3250 

320 

380 

480 

595

462 

405 

367 

359 

388

516 

719 

897 

1,040 

878

May

692 

752 

938 

987 

1,130

1,230 

1,410 

1,560 

1,430 

1,320

1,160 

1,100 

1,140 

945 

827

803 

741 

665 

697 

774

845

780 

774 

871 

1,050

1,130 

1,090 

910 

815 

809 

797

Minimum

18 

18 

27

18

26 

31 

43 

121 

665 

241 

48 

28 

23

18

June

780 

845 

758 

702 

692

640 

580 

655 

845 

768

615 

566 

665 

590 

490

458 

454 

436 

400 

343

302 

287 

277 

264 

247

273 

388 

312 

273 

241

Mean

36.5 

31.0 

37.8

222

32.3 

52.4 

78.5 

342 

973 

505 

92.7 

37.0 

45.4

189

July

214 

198 

180 

164 

151

141 

130 

119 

109 

101

95 

89 

83 

79 

89

77 

67 

65 

60 

57

54 

52 

50 

49 

48

51

49 

72 

77 

55 

50

Per 

square 

mile

0.373 

.320 

.390

2.29

.333 

.540 

,80T 

3.53 

10.0 

5.21 

.953 

.381 

.463

1.95

Aug.

45 

43 

40 

41 

43

38 

35 

34 

36 

52

44 

42 

41

36 

34

34 

37 

33 

31 

29

29 

34 

52 

39

35

32 

31 

29 

28 

32 

38

Sept.

32 

29 

27 

25 

24

23 

34

62 

67 

67

48 

40 

35 

32 

32

48 

54 

48 

51 

53

66 

73 

66 

57 

52

48 

46 

43 

40 

39

Runoff

Inches

0.43 

.36 

.45

31.07

.38 

.56 

.93 

3.93 

11.57 

5.81 

1.10 

.44 

.52

26.48

Acre-feet

2,250 

1,840 

2,320

160,700

1,980 

2,910 

4,830 

20,330 

59,850 

30,040 

5,700 

2,280 

2,700

137,000

* Winter discharge measurement made on this day.

a No gage-height record; discharge computed on basis of weather records, recorded range In stage, 

and records for Smith Creek near Porthill. 

b Stage-discharge relation affected by ioe.
PEND OREILLE RIVER BASIN 219

Clark Pork above Missoula, Mont.

Location.- Water-stage recorder, lat. 46°53', long. 113°56', in NW^ sec. 19, T. 13 N., R. 

ib W., 3 miles dovmstream from Blackfoot River and 3 miles east of Missoula.

Drainage area.- 5,740 square miles.

Records available.- March 1929 to September 1947.

Average discharge.- 18 years, 2,392 second-feet.

Extremes.- Maximum discharge during year, 24,200 second-feet May 9 (gage height, 11.10 

feet); minimum (regulated), 505 second-feet Sept. 28 (gage height, 1.55 fe3t); minimum 

daily, 856 second-feet Sept. 3.

1929-47: Maximum discharge, that of May 9, 1947; minimum, 86 second-feet Jan. 8, 

1930 (gage height, 0.52 foot, ice jam above station); minimum daily, 224 sscond-feet 

Jan. 8, 1930 (ice jam above station).

Remarks.- Records good except those for periods of ice effect and those computed from

start1 -gage readings, which are fair. Flow regulated by power plant at Bonier. Several 

diversions above station for irrigation.

Rating table, water year 1946-47, except period of ice effect 

(gage height, in feet, and discharge, in second-feet)

1.9 78O 4.0 3,610 8.0 13.50O 

2.2 1,O80 5.O 5,570 9.O 16,800 

3.0 2,040 6.0 7,880 10.0 20,200 

3.5 2,780 7.0 10,500 11.0 23,800

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

1,370 

2,860 

2,620 

2,780 

2,860

3,100 

2,320 

1,600 

1,600 

1,780

1,840 

1,660 

1,780 

1,780 

1,720

1,600 

1,660 

1,660 

1,600 

1,660

1,010 

1,720 

1,840 

1,580 

2,110

3,100 

3,180 

2,780 

2,620 

2,470 

2,470

Nov.

2,320 

2,400 

2,110 

2,180 

2,040

2,180 

2,110 

2,110 

2,110 

2,040

2,110 

2,040 

1,840 

1,840 

1,910

1,910 

1,720 

1,910 

1,980 

1,910

1,220 

1,240 

1,840 

2,470 

2,470

2,400 

2,180 

2,040 

2,250 

2,040

Dec.

1,980 

1,980 

1,910 

1,910 

1,910

1,910 

1,910 

1,780 

1,840 

1,780

2,040 

2,700 

2,470 

2,620 

3,520

3,970 

3,020 

2,700 

2,780 

2,620

2,400 

2,470 

2,400 

2,180 

2,110

2,040 

2,110 

1,720 

1,430 

1,520 

2,110

Jan.

1,800 

1,700 

1,500 

1,300 

1,200

1,450 

1,650 

1,750 

1,700 

1,700

*1,800 

1,800 

1,700 

1,650 

1,400

1,300 

1,500 

1,550 

1,600 

1,600

1,650 

1,700 

1,750 

1,850 

2,250

1,600 

1,800 

1,600 

1,350

1,350 

1,400

Feb.

1,350 

1,700 

1,950 

1,750 

1,650

1.6OO 

1,600 

1,500 

1,250 

 1,150

1,350 

1,520 

1,840 

2,700 

2,910

2,940 

2,860 

2,700 

2,320 

2,180

1,910 

1,910 

2,O40 

2,780 

2,620

1,980 

1,780 

1,720

Month

Octo 

Nove 

Dece

Ca

Janu 

Pebr 

Marc 

Apr!

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

1,720 

1,720 

1,720 

1,840 

1,780

1,780 

1,780 

1,600 

1,660 

1,660

1,780 

1,910 

1,910 

2,040 

2,860

3,770 

4,740 

4,840 

4,940 

4,740

4,540 

4,250 

4,260 

3,970 

3,610

3,440 

3,270 

3,100 

3,360 

3,180 

3,700

Apr.

3, 

3, 

3, 

3, 

3,

3, 

3, 

3, 

3,

3,

2, 

3, 

3, 

3, 

4,

4, 

5, 

5, 

5, 

6,

6,

6, 

6, 

5, 

5,

5, 

5, 

6, 

7, 

9,

Secondfoot-days

64,730 

60,920 

69,840

941,720

49,950 

55,560 

91,470 

146,910 

402,560 

276,890 

99,430 

52,660 

47,863

1,418,783

880 

880 

970 

970 

790

610 

520 

270 

440 

360

360 

360 

360

610 

260

840 

040 

360 

790 

010

240

470 

470 

790

570

360 

570 

470 

880 

410

May

9,960 

9,680 

11,100 

13,500 

17,100

18,100 

18,800 

19,500 

21,700

22,000

20,20O 

18,100 

16,100. 

14 , 500 

14,200

12,000 

11,400 

11,100 

10,500 

9,960

9,960 

9,960 

9,680 

9,150 

8,890

8,630 

9,680 

11,700 

9,150 

8,130 

8,130

Maximum

3,180 

2,470 

3,970

9,860

2,250 

2,940 

4,940 

9,410 

22,000 

14,500 

5,260 

2,440 

2,540

22,000

June

8,630 

8,890 

9,150 

9,680 

9,150

8,890 

8,890 

8,630 

9,960 

13,800

14,500 

13,200 

11,700 

11,400 

11,100

10,200 

10,200 

10,500 

10,200 

9,680

8,890 

8,380 

7,640 

7,170 

6,700

6,470 

6,240 

6,240 

5,460 

5,360

July

5,260 

4,940 

4,640 

5,040 

4,090

3,770 

3,970 

3,880 

3,760

3,700

3,610 

3,610 

3,610 

3,380 

3,180

3,020 

2,94O 

2,780 

2,860 

2,620

2,360 

2,400 

2,400 

2,400 

2,400

3.O80 

1,940 

1,660 

2,110 

2,040 

1,980

Aug.

1,910 

1,980 

1,910 

1,910 

1,910

1,840 

1,780 

1,780 

2,440 

1,160

1,440 

1,660 

1,720 

1,720 

1,660

2,430 

1,600 

1,540 

1,490 

1,480

1,540 

1,660 

1,780 

1,720 

1,600

1,600 

1,540 

1,500 

1,480 

1,440 

1,440

Minimum Mean

1,010 2,088 

1,220 2,031 

1,430 2,253

950 2,580

1,200 1,611 

1,150 1,984 

1,600 2,951 

3,270 4,897 

8,130 12,990 

5,360 9,230 

1,660 3,207 

1,160 1,699 

856 1.E95

856 3,887

Sept.

1,410 

997 

856 

1,100 

1,430

1,380 

1,320 

1,190 

1,340 

1,360

1,370 

1,410 

1,380 

1,310 

1,370

1,500 

2,110 

2,180 

1,980 

2,320

2,540 

1,840 

1,840 

1,840 

1,780

1,780 

2,460 

1,240 

1,390 

1,840

Runoff In 

acre-feet

128,400 

120,800 

138,500

1,868,000

99,070 

110,200 

181,400 

291,400 

798,500 

549,200 

197,200 

104,500 

94,930

2,814,000

* Winter discharge measurement made on this day.

Note.- Stage-discharge relation affected by ice Jan. I to 

2 discharge measurements, weather records, and records for 

puted from staff-gage readings Oct. 1-23, Apr. 28 to May 4,

Feb. 11: discharge computed on basis of 

station below Missoula. Discharge cornMay 15-29, June 1-4, Sept. 18-21.
220 PEND OREILLE RIVER BASIN

Clark Fork below Missoula, Mont.

Location.- Water-stage recorder, lat. .46°52', long. 114°07', in SE£ sec. 21, T. 13 N. , R. 

2U w., a miles downstream from Bitterroot River and 6 miles west of Missoula.

Drainage area.- 8,690 square miles.

Records available.- October 1929 to September 1947.

Average discharge.- 18 years, 4,420 second-feet.

Extremes.- Maximum discharge during year, 45,900 second-feet May 10 (gags height, 11.18 

feet); minimum, 1,800 second-feet Sept. 3 (gage height, 1.24 feet).

1929-47: Maximum discharge, that of May 10, 1947; minimum, 388 second-feet Jan. 18, 

1933 (gage height, 0.58 foot, backwater from ice).

Remarks.- Records excellent. Some regulation by power plant at Bonner. Many diversions 

above station for irrigation.

Rating table, water year 1946-47 (gage height, In feet, 

and discharge, In second-feet)

1.2 1,740 5.0 11,800 

1.8 2,680 6.0 15,800 

2.4 3,850 8.0 25,000 

3.0 5,270 10.0 37,300 

4.0 8,260 12.0 52,200

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2

3 

4 

5

6 

7

e

9 

10

11

12 

13 

14 

15

16 

17ie

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

2,680 

3,340 

4,640 

4,640 

4,180

3,960 

3,850 

3,640 

3,640 

3,440

3,540 

3,440 

3,440 

3,540 

3,640

3,540 

3,640 

3,640 

4,180 

3,440

2,960 

3,740 

4,540 

3,850 

4,880

9,280 

9,600 

7,460 

6,680 

6,090 

5,800

Nov.

5,400 

5,260 

4,880 

4,750 

4,640

4,640 

4,640 

4,520 

4,520 

4,400

4,290 

4,180 

3,850 

3,640 

3,740

3,740 

3,440 

3,640 

4,070 

4,290

3,240 

2,960 

3,740 

4,640

4,760

4,520 

4,290 

4,290 

4,520 

4,290

Dec.

4,180 

3,960 

3,960 

3,850 

3,850

3,850 

3,740 

3,640 

3,640 

3,540

3,740 

5,010 

5,390 

6,240 

7,780

9,260 

7,140 

5,390 

5,390

5,520

5,140 

5,010 

4,760 

4,520 

4,400

4,180 

4,290 

3,540 

2,680 

2,680 

3,140

Jan.

3,340

3,140 

2,680 

2,270 

2,030

2,510 

3,140 

3,340 

3,240 

3,240

3,440

3,440 

3,240 

3,050

2,510

2,190

2,770 

f2,960 

3,050 

3,050

3,050 

3,140 

f3,140 

f3,240 

f3,540

f2,860 

f3,340 

2,960 

2,430 

2,430 

2,510

Feb.

2,350 

f2,960 

f3,640 

3,240

3,050

3,050 

3,050 

2,680 

2,190 

2,270

2,430 

2,860 

f3,640 

f4,290 

f4,180

f4,520 

f4,520 

f4,180 

f3,850

f3,640

f3,340 

h3,140 

h3,050 

f3,850 

f4,180

f3,440 

2,860 

2,770

Month

Goto 

Nove 

Dece

Ca

Janu 

Pebr 

Marc 

Apr!

M

BIT

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

2,860 

2,860 

3,050 

3,240 

3,140

3,050 

3,050 

2,860 

2,960 

2,860

3,050 

3,140 

3,140 

3,240 

3,850

4,830 

5,800 

6,240 

6,840 

6,990

6,990 

6,920 

6,990

6,840 

6,380

5,940 

5,800 

5,520 

5,940

5,520 

6,240

Apr.

6,530 

6,530 

6,530 

6,840

6,380

6,240 

5,950 

5,680 

5,680 

5,680

5,680 

5,540 

5,400 

5,810 

6,840

8,260 

8,920 

9,600 

9,950

10,300

10,600 

10,600 

10,300 

9,600 

9,260

8,920 

9,260 

11,000 

13; 800

16,600

Secondfoot -days

138,930 

127,790 

143,410

1,824,690

91,270 

93,220 

146,130 

248,280 

800,000 

541,900 

186,250 

87,910 

83,950

2,689,040

May

17,500 

16,600 

20,600 

26,600 

32,000

35,200

36,600 

38,700 

42,200 

45,200

42,20C 

35,200 

30 , 100 

27,200 

25,000

23,000 

22,000 

21,600 

21,100 

20,600

20,200 

20,600 

20,200 

19,300 

19,300

20,200 

21,600 

22,000 

20,600 

18,800 

18,000

Maximum

9,600 

5,400 

9,260

19,200

3,540 

4,520 

6,990 

16,600 

45,200 

25,000 

9,950 

3,540 

4,530

45,200

June

19,300 

20,200 

20,200 

20,200 

19,800

18,800 

18,800 

18,000 

19,800 

25,000

25,000 

22,500 

20,600 

20,200 

19,800

18,800 

19,300 

20,600 

20,200 

18,800

17,000 

15,400 

14,600 

13,800 

IS, 400

13,000 

13,000 

13,400 

11,800 

10,600

July

9,950 

9,260 

8,920 

9,260 

8,580

7,780 

7,780 

7,780 

7,940 

7,780

7,460 

7,300 

6,990 

6,680 

6,240

5,800 

5,540 

5,140 

5,010 

4,640

4,180 

4,070 

3,960 

3,850 

3,850

4,480 

3,540 

2,860 

3,340 

3,240 

3,050

Aug.

3,050 

3,140 

3,050 

3,140 

3,050

2,960 

2,860 

2,770 

3,390 

2,110

2,270 

2,680 

2,680 

2,680 

2,600

3,330 

2,570 

2,430 

2,350 

2,270

2,430 

2,680 

3,340 

3,540 

3,340

3,140

3,050 

2,960 

2,770 

2,680 

2,600

Minimum Mean

2,680 4,481 

2,960 4,260 

2,680 4,626

1,480 4,999

2,03 

2,19 

2,86 

5,40 

16,60 

10,60 

2,86 

2,11 

1,85

0 2,

0 4, 

0 8, 

0 25, 

0 18, 

0 6, 

0 2, 

0 2,

944 

329 

714 

276 

810 

060 

008 

836 

798

1,850 7,367

Sept.

2,510 

2,190 

1,850 

1,960 

2,270

2,270 

2,190 

2,110 

2,190 

2,270

2,270 

2,350 

2,270 

2,190 

2,270

2,600 

3,540 

3,850 

3,850 

4,530

3,340 

2,960 

3,340 

3,340 

3,240

3,240 

3,960 

2,960 

2,600 

3,440

Runoff in 

acre-feet

275,600 

253,500 

284,400

3,619,000

181,000 

184,900 

289,800 

492,500 

1,587,000 

1,075,000 

369,400 

174,400 

166,500

5,334,000

Computed on basis of partly estimated gage height record. 

h Computed from staff-gage reading.
PEND OREILLE RIVER BASIN 221

Clark Fork at Tarkio, Mont.

Location.- Staff-gage, lat. 47°01', long. 114°44', in NE^ sec. 34, T. 15 N., R. 25 W., a 

quarter of a mile west of Tarkio, 1-J- miles upstream from Quartz Creek, 3-j miles downstream from Fish Creek, and 15 miles west of Alberton.

Drainage area.- 9,630 square miles.

Records available.- October 1944 to September 1947.

Extremes.- Maximum discharge observed during year, 55,000 second-feet May 10 (gage height, 

XV.6U feet); minimum daily discharge, 2,250 second-feet Sept. 3.

1944-47: Maximum discharge observed, that of May 10, 1947; minimum daily discharge, 

1,200 second-feet Dec. 26, 1944; minimum gage height observed, 1.04 feet Sept. 5, 1945.

Remarks.- Records good. Gage read once daily. Some regulation by power plant at Bonner. 

Many diversions above station.

Rating table, water-year 1946-47, except period of ice effect 

(gage height, in feet, and discharge, in second-feet)

1.8 2,210 12.0 16,600 

3.0 3,330 16.0 24,400 

4.0 4,470 2O. 0 34,200 

6.0 7,000 24.0 44,800 

9.0 11,400 28.0 56,200

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

3,130 

3,330 

4,470 

5,310 

4,710

4,470 

4,350 

4,110 

4,110 

3,990

3,870 

3,760 

3,760 

3,870 

3,990

3,990 

3,990 

3,990 

4,230 

3,990

3,430 

3,990 

4,590 

4,110 

5,960

9,130 

11,000 

8,540 

7,700 

7,140 

6,610

Nov.

6,350 

6,090 

5,830 

5,440 

5,310

5,190 

5,440 

5,190 

5,190 

5,070

4,950 

4,830 

4,590 

4,230 

4,230

4,230 

4,230 

4,230 

4,470 

5,190

4,230 

3,430 

4,350 

5,190 

5,700

5,310 

5,070 

a5,100 

5,310 

5,310

Dec.

5,070 

4,710 

4,710 

4,590 

4,590

4,470 

4,470 

4,350 

4,230 

4,110

4,470 

5,700 

6,220 

7,700 

9,880

11,600 

8,680 

6,740 

6,740 

6,870

6,220 

6,090 

5,830 

5,700 

5,440

4,950 

5,190 

4,590 

3,430 

3,540 

2,760

Jan.

3,900 

3,800 

3,500 

3,100 

2,800

3,400 

3,600 

3,900 

3,800 

*3,800

4,000 

4,000 

3,800 

3.60C 

3,400

2,000 

3,300 

3,400 

3,600 

3,700

3,800 

3,900 

3,990 

3,990 

3,990

3,700 

3,760 

3,430 

2,830 

2,730 

2,730

Feb.

2,930 

3,330

4,200 

3,900 

3,760

3,540 

3,540 

3,430 

2,640 

2,640

3.00O 

3.330 

3,990 

4,950 

5,570

5,440

5,310 

4,950 

4,710 

4,590

4,350 

4,230 

4,110 

4,590 

5,190

4,599 

3,650 

3,430

Month

Octo 

Nove 

Dece

Ca

Janu 

Pebr 

Marc 

Apr!

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

3,540 

3,230 

3,540 

3,870 

3,760

3,650 

3,540 

3,430 

3,430 

3,430

3,430 

3,650 

3,760 

3,760 

4;550

5,070 

6,220 

7,140 

8,120 

8,540

8,260 

10,200 

9,130 

8,540 

7,980

7,560 

7,140 

6,870 

8,120 

7,140 

7,420

Apr.

7 

8 

8- 

7 

8

7 

7 

7 

7 

6

6 

6 

6 

6 

8

10 

10 

11 

11 

12

12 

13 

12 

11 

11

10 

11 

13 

16 

19

Secondfoot-days

153,620 

149,280 

174,640

2,114,440

110,250 

113,890 

177,820 

299,820 

934,000 

591,100 

215,770 

104,350 

98,260

3,122,800

980 

120 

120 

980 

120

700 

280 

140 

000 

870

870 

740 

610 

870 

120

000 

600 

400 

900 

200

600 

100 

400 

800 

100

800 

,400 

100 

400 

500

May

20,600 

20,200 

24,600 

30,900 

38 , 600

43,600 

a44,500 

45,700 

50,500 

55,000

a49,000 

a42,000 

a36,000 

31,100 

29,900

a27,000 

25,600 

24,400 

24,200 

23,100

23,100 

23,300 

22,600 

21,400 

21,200

22,900 

24,000 

25,100 

23,100 

20,600 

20,200

Maximum

11,000 

6,350 

11,600

20,600

4,000 

5,570 

10,200 

19,500 

55,000 

28,500 

11,400 

5,070 

6,740

55,000

June

20,800 

22,000 

22,200 

22,600 

21,600

20,800 

20,200 

19,800 

20,200 

27,300

28,500 

25,400 

22,400 

22,000 

21,400

20,400 

20,400 

21,800 

21,800 

20,800

18,900 

16,900 

15,700 

14,800 

14,400

13,900 

13,900 

15,000 

13,800 

11,400

July

10,800 

10,300 

10,000 

11,400 

9,880

8,980 

8,980 

a9,000 

8,980 

8,980

8,980 

7,980 

7,700 

7,420 

6,740

6,610 

6,090 

5,830 

5,570 

5,310

5,190 

4,830 

4,590 

4,350 

4,470

7,980 

4,230 

3,330 

3,870 

a3,750 

3,650

Aug.

3,650 

3,650 

3,650 

3,540 

3,540

3,443 

3,330 

3,230 

5,070 

2,830

2,640 

3,130 

3,230 

3,230 

3,130

3,330

3,130 

2,830 

2,830 

2,730

2,350 

3,230 

3,760 

4,110 

3,870

3,760 

3,540 

3,430 

3,330 

3,230 

3,130

Minimum Heai

3,120 4,955 

5,430 4,976 

3,430 5,634

1,820 5,793

2,730 3,556 

2,640 4,068 

3,230 5,736 

6,610 9,994 

20,200 30,130 

11,400 19,700 

3,330 6,960 

2,640 3,366 

2,250 3,275

2,250 8,556

Sept.

3,030 

2,830 

a2,250 

2,370 

2,550

2,730 

2,640 

2,640 

2,460 

2,730

2,640 

2,640 

2,730 

2,640 

2,640

3,130 

3,650 

4,230 

4,230 

6,740

3,990 

3,030 

3,870

3,870 

3,760

3,650 

4,230 

3,760 

2,730 

3,870

Runoff in 

acre-feet

304,700 

296,100 

346,400

4,194,000

218,700 

225,900 

352,700 

594,700 

1,853,000 

1,172,000 

428,000 

207,000 

194,900

6,194,000

* Winter discharge measurement made on this day.

a No gage-height record; discharge computed on basis of records for other stations on Clark Fork 

River.

Note.- Stage-discharge relation affected by ice Jan. 1-22,, 26, Feb. 3, 4, 11.
222 PEND OREILLE RIVER BASIN

Clark Fork at St. Regie, Mont.

Location.- Water-stage recorder, lat. 47°18', long. 115°05', in sec. 19, T. 18 N., R. 2V 

W., at St. Regis and half a mile downstream from St. Regis River.

Drainage area.- 10,500 square miles.

Records available.- October 1910 to September 1923, February 1929 to September 1947.

Average discharge^- 31 years, 7,056 second-feet.

Extremes.- Maximum discharge during year, 54,600 second-feet May 10 (gage height, 17.91 

feet); minimum recorded, 1,980 second-feet, Jan. 4.

1910-23, 1929-47: Maximum discharge observed, 62,800 second-feet May 30, 31, 1913 

(gage height, 19.1 feet); minimum discharge, 1,000 second-feet Dec. 17, 1940 (gage 

height, 3.36 feet), but may have been less during period of ice effect Feb. 19-22, 1929.

Remarks.- Records excellent except those for period of ice effect or no gage-height record, 

which are good. Many diversions above station. Some regulation.

Rating table, water year 1946-47, except period of lee effect 

(gage height, In feet, and discharge, In second-feet)

4.5 

5.0

6.0 

7.0

2,050

2,800

4,620

6,750

10,700

10.0

12.0

14.0

16.0

18.0

15,800

23,900

32,900

43,000

55,200

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

3,400 

3,490 

4,230 

5,320

5,120

4,920 

4,620 

4,520 

4,320 

4,320

4,140 

4,140 

4,140 

4,140 

4,230

4,230 

4,230 

4,230 

4,520 

4,620

4,230 

4,040 

4,820 

5,320 

5,640

7,970

11,000

9,800 

8,470 

7,720 

7,230

Nov.

6,750 

6,520 

6,290 

5,850 

5,850

5,640 

5,640 

5,640 

5,430 

5,430

F,320 

5,220 

5,020 

4,720 

4,620

4,620 

4,620 

4,720 

5,850 

5,850

5,640 

4,620 

4,720 

5,430 

6,290

6,070 

6,070 

6,070 

6,070 

6,070

Dec.

5,850 

5,640 

5,430 

5,320 

5,320

5,220 

5,120 

5,020 

4,920 

4,920

5,430 

6,520 

7,720 

9,800 

13,300

14,300 

12,300 

9,520 

8,220 

8,220

7,720 

7,230 

6,990 

6,750 

6,290

6,070 

5,850 

5,640 

4,720 

4,140 

4,040

Jan.

b4,100 

b3 , 900 

b3,600 

b3,100 

b2,800

b3,000 

b3,300 

b3,600 

b4,000 

*b4,100

b4,200 

b4,200 

b4,100 

b3,900 

b3,500

b3,000 

b3,000 

b3,400 

3,940 

3,940

3,940 

3,940 

4,140 

4,420 

4,620

5,320 

4,520 

4,420 

3,940 

3,580 

3,490

Feb.

3,400 

3,670 

4,230 

4,920 

4,420

4,140 

4,140 

3,850 

3,760 

3,220

3,400 

3,580 

4,140 

5,020 

5,850

5,850 

5,850 

5,850 

5,640 

5,320

5,120 

4,920 

4,920 

5,120 

5,850

5,640 

4,620 

4,320

Month

Octo 

Nove 

Dece

Ca

Janu 

Pebr 

Marc 

Aprl 

Mav

June 

July 

Augu 

Sept

Wa

lendar year 1946 

ary

ter year 1946-47 .......................

Mar.

4,230

4,230 

4,320 

4,420 

4,420

4,320 

4,230 

4,140 

4,040 

4,140

4,140 

4,230 

4,320 

4,420 

4,520

5,320 

6,520 

7,720 

8,470 

8,990

9,250 

8,470 

8,730 

8,730 

8,990

8,990 

8,470 

8,220 

7 970 

8,470 

8,470

Apr.

8,990 

9,250 

9,250 

9,250 

8,990

8,990 

8,470 

8,470 

7,970 

8,220

7,970 

7,970 

7,720 

8,220 

9,520

11,000 

12,600 

13,300 

14,000 

14,300

14,700 

15 , 100 

14,700 

14,700 

33,600

13,600 

14,000 

15,800 

19,300 

22,600

Secondfoot -day a

163,120 

166,650 

213,530

2,426,160

119,010 

130,760 

195,900 

352,550 

1,032,700 

664,700 

230,490 

110,330 

103,350

3,483,090

May

23,900 

24,300 

27,000 

32,900 

39,300

43,500 

46,500 

50,100 

52,600 

54,600

53,200 

47,100 

40,800 

36,300 

33,400

30,600 

28,800 

27,800 

27,400 

27,000

26,500 

26,500 

26,500 

25,200 

25,200

25,600 

27,000 

27,800 

27,000 

24,800 

23,500

Maximum

11,000 

6,750 

14,300

23,500

5,320 

5,850 

9,250 

22,600 

54,600 

30,600 

12,300 

4,230 

5,500

54,600

June

23,500 

24,800 

25,200 

25,200 

24,800

23,900 

23,000 

22,600 

23,000 

27,000

30,600 

28,800 

26,100 

24,800 

24,300

23,500 

23,000 

23,900 

24,300 

23,500

21,800 

19,700 

18,100 

17,300 

16,600

15,800 

15,400 

15,800 

15,100 

13,300

July

12,300 

11,600 

11,000 

11,000 

10,700

9 , 800 

9,?50 

9,250 

9,250 

9,250

8, ?90 

8,730 

8,470 

7.J70 

7,720

7,230 

6, £90 

6,520 

6,290 

6.C70

5,640

5,220 

5.C20 

4,520 

4,820

4,810 

5,240 

4,320 

3,940 

4,140 

4,040

Minimum

3,400

4,620 

4,040

2,050

2,800 

3,220 

4,040 

7,720 

23,500 

13,300 

3,940 

2,880 

2,400

2,400

Aug.

3,850 

3,850 

3,850 

3,850 

3,850

3,760 

3.67O 

3,490 

3,490 

4,030

3,060 

3,060 

3,490 

3,490 

3,400

3,310 

3,850 

3,140 

3,060 

2,970

2,880 

3,140 

3,670 

4,140 

4,230

3,940 

3,850 

3,670 

3,580 

3,400 

3,310

Mean

5,262 

5,555 

6,888

6,647

3,839 

4,670 

6,319 

11,750 

33,310 

22,160 

7,435 

3,559 

3,445

9,543

Sept.

a3,3OO 

h3,220 

a3,100 

a2,400 

a2,5OO

h2,640 

a2,7OO 

a2,700 

a2,700 

a2,700

a2,900 

a2,900 

a2,900 

a 2., 900 

a2,800

a3 , 000 

a3,400 

a4,300 

a4,800 

a4,800

35,500 

a4,300 

4,040 

4,040 

3,940

3,850 

3,850 

4,360 

3,500 

3,310

Runoff In 

acre-feet

323,500 

330,500 

423,500

4,812,000

236,100 

259,400 

388,600 

699,300 

2,048,000 

1,318,000 

457,200 

218,800 

205,000

6,908,OOO

* Winter discharge measurement made on this day.

a No gage-height record; discharge computed on basis of records for station beliw Mlssoula.

b Stage-discharge relation affected by Ice.

h Computed from staff-gage reading.
FEND OREILLE RIVER BASIN 223 

Clark Fork near Plains, Mont.

Location.- Water-stage recorder, lat. 47°26 I , long. 114°51', on lot 7, SW£ sec. 1, T. 19 

 N.., K. 26 W., 2 miles upstream from Plains and 6 miles downstream from Flathead River.

Datum of gage is 2,449.34 feet above mean sea level, datum of 1929 (levels by Corps of

Engineers).

Drainage area.- 19,900 square miles.

Records available.- October 1910 to September 1947.

Average discharge.- 31 years (1912-15, 1917-19, 1920-24, 1925-47), 18,010 second-feet.

Extremes.- Maximum discharge during year, 104,000 second-feet May 11 (gage height, 16.41 

feet); minimum, 7,950 second-feet Oct. 1, Aug. 22; minimum gage height, 4.25 feet Oct. L

1910-47: Maximum discharge, 126,000 second-feet May 28, 1928 (gage height, 18.4 

feet); minimum, 3,200 second-feet Feb. 8, 1936, Dec. 10, 1940; minimum gage height, 2.85 

feet Dec. 10, 1940.

Remarks.- Records excellent except those for periods of ice effect or no gage-height recor-d, which are good. Many diversions above station for irrigation. Some regulation 

by Flathead Lake (see p. 252).

Rating table, water year 1946-47, except period of ice effect 

(gage height, in feet, and discharge, in second-feet)

4.2 7,750

4.5 9,000

5.0 11,200

6.O 16,000

7.0

8.0

9.5

11.0

21,300

27,200

37,600

49,600

12.5

14.0

15.5

16.4

63,000

77,900

94,000

104,000

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

7,950 

8,360 

9,000 

9,870 

10,100

9,550 

9,430 

9,220 

9,000 

9,000

8,780 

8,780 

8,780 

8,570 

8,360

8,570 

8,780 

8,780 

8,780 

9,220

9,000 

8,150 

8,570 

9,220 

9,430

10,500 

14,400 

14,500 

13,100 

12,600 

12,100

Nov.

11,700 

11,000 

1O,80O 

1O.30O

10,100

10,200 

10,200 

10,200 

10,200 

10,000

10,000 

9,900 

9,800 

9,600 

9,400

9,80O 

10,800 

11,400 

11,600 

11,600

11,400 

11,200 

11,000 

11,000 

11,600

11,700 

11,700 

11,600 

11,600 

11,50O

Dec.

11,400 

11,800 

14,000 

14,800 

15,000

15,000 

 15,000 

15,000 

14,000 

15,000

15,500 

16,500 

18,100 

20,700 

23 , 500

23 , 500 

21,800 

19,100 

18,100 

18 , 600

18,100 

19,100 

19»700 

19,700 

19,100

18,100 

18 , 600 

blS, 400 

18,000 

17,200 

17,000

Jan.

16,700 

16,500 

16,100 

15,300 

14,600

14,700 

15,100 

15,500 

*b!4,700 

b 13, 800

b!3,600 

b 13, 600 

b!3,400 

b!3,000 

b!2,800

b 12, 500 

b!2,3oo 

b!2,800 

13,100 

13,100

13,100 

13,100 

13,100 

13,100 

13,100

13,100 

13,600 

14,000 

13,600 

12,600 

11,400

Feb.

11,200 

11,700 

12,100 

12,600 

13,600

15,000 

16,000 

15,500 

14,500 

13,600

13,600 

13,600 

13,600 

14,000 

16,000

17,000 

16,500 

16,500 

16,500 

16,500

16,000 

16,500 

16,500 

16,500 

17,600

18,100 

16,500 

15,500

Month

Goto 

Nove 

Dece

Ca

Janu 

Pebr 

Marc 

Aprl 

Hay

June 

July 

Augu 

Sept

Wa

lendar year 194

ter year 1946-47 .......................

Mar.

15,000 

15,000 

15,000 

15,000 

15,000

14,000 

13,600 

13 , 600 

13,100 

13,100

12 , 600 

12 , 600 

12,600 

12 , 600 

12,100

12,600 

14,000 

15,000 

16,000 

16,500

17,000 

17,000 

17,600 

18,100 

17,600

17,600 

17,000 

16,500 

16,000 

17,000 

16,500

Apr.

17,600 

18,100 

18,600 

18,600 

18,100

18,100 

18,100 

18,100 

18,100 

18,100

18,100 

18,100 

18,100 

19,100 

20,200

22,400 

24,100 

25,300 

27,200 

28 , 500

29,800 

31,200 

31,900 

31,900 

31,900

31,900 

32,600 

35,400 

39,900 

45,4^)0

Seeondfoot-days

300,550 

322,900 

539,400

7,185,610

427,000 

422,800 

466,900 

744,500 

2,477,900 

1,818,300 

674,000 

309,040 

271,530

8,774,820

 May

49,600 

51,400 

53 , 900 

61 , 200 

69,900

77,900 

84,100 

89,600 

95,100 

102,000

104,000 

102,000 

97,300 

92,900 

90,700

87,400 

85,200 

83 , 000 

81 , 900 

80,900

79,900 

78,900 

77,900 

75,900 

74,900

74,900 

75,900 

76,900 

76,900 

73,900 

71,900

Maximum

14,500 

11,700 

23,500

70,900

16,700 

18,100 

18,100 

45,400 

104,000 

77,000 

43,800 

14,500 

11/400

104,000

June

71,900 

71,900 

72,900 

72,900 

72,900

71,000 

7O.OOO 

69,000 

69,000 

73,000

77,000 

76,000 

74,000 

72,900 

71,900

71,900 

69,900 

69,900 

66 , 900 

54,800

52,200 

50,500 

48,800 

39,900 

34,000

28,500 

27,800 

28,500 

43,000 

45,400

July

43,800 

42,200 

34,700 

29,200 

22,900

20,700 

21,300 

26 , 600 

28 , 500 

26,600

24,700 

24,100 

24,100 

24,700 

24,700

22,400 

20,200 

17,000 

20,700 

21,300

15,500 

15,000 

14,500 

15,500 

14,000

15,500 

13,100 

12,100 

13,100 

13,600 

11,700

Minimum

7,950 

9,400 

11,400

7,360

11,400 

11,200 

12,100 

17,600 

49,600 

27;800 

11,700 

7,950 

8,200

7,950

Aug.

9,430 

9,220 

9,430 

11,000 

11,700

11,700 

11,200 

10,800 

10,100 

9,220

9,000 

8,360 

9,000 

9,430 

9,650

9,430 

9,000 

8,780 

8,360 

8,150

8,150 

7,950 

8,360 

9,000 

9,220

10,300 

14,500 

13,600 

12,000 

11,500 

11,500

Heai

9,695 

10,760 

17,400

19,690

13,770 

15,100 

15,060 

24,820 

79,930 

60,610 

21,740 

9,969 

9,051

24,040

Sept.

11,400 

10,700 

10,000 

8,700 

8,200

8,360 

8,360 

8,360 

8,360 

8,360

8,360 

8,360 

8,360 

8,360 

8,360

8,360 

8,780 

9,220 

10,100 

9,800

10,500 

9,500 

9.0OO 

9,220 

9,220

9,220 

9.0OO 

9,650 

9,000 

8,360

Runoff in 

acre-feet

596,100 

640,500 

1,070,000

14,250,000

846,900 

838,600 

926,100 

1^477,000 

4,915,000 

3,607,000 

1,337,000 

613,000 

538,600

17.410.0OO

Winter discharge measurement made on this day.

b Stage-discharge relation affected by ice.

Note.- No gage-height record Nov. 6 to Dec. 4, Dec. 29 to Jan. 8, June 6-13, Aug. 29 to Sept. 5, 

Sept. 20-23; discharge computed on basis of records for Clark Fork near St. Regis anl Flathead River 

near Poison.
PEND OREILLE RIVER BASIN

Clark Fork near Heron, Mont.

Location.- Water-stage recorder, lat. 48°04', long. 115°59', in sec. 28, T. 27 N., R. 34 

W., o'UO feet upstream from Dead Horse Creek and l| miles northwest of Heron.

Drainage area.- 21,800 square miles.

Records available.- September 1928 to September 1947.

Average d1scharge.- 19 years, 18,910 second-feet.

Extremes.- Maximum discharge during year, 114,000 second-feet May 11 (gfge height, 41.95 

feet); minimum, 5,050 second-feet (regulated) Oct. 2 (gage height, 10.33 feet); minimum 

daily, 8,840 second-feet (regulated) Oct. 2.

1928-47: Maximum discharge, 137,000 second-feet June 17, 1933 (g£ge height, 46.62 

feet, present datum); minimum, 620 second-feet Dec. 23, 1935, during period of extreme 

regulation (gage height, 7.59 feet), from rating curve extended below 4,000 second-feet; 

minimum daily, 1,110 second-feet (regulated) Dec. 23, 1935.

Maximum discharge known, 195,000 second-feet June 1894 (gage height, 59.1 feet, 

present datum, from floodmark an eighth of a mile downstream).

Remarks.- Records excellent. Some regulation by Flathead Lake (see p. 252); diurnal 

fluctuation at low flow caused by power plant at Thompson Falls. 'Diversions from 

tributaries above station for irrigation.

Rating table, water year 1946-47 (gage height, in feet, 

and discharge in second-feet)

12.4

14.0

16.0

19.0

22.0

8,690 

12,100 

16,800 

25,100 

34.5OO

26.0

30.0

34.0

38.0

42.0

48,900

64,400

80,400

96,900

114,000

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

8,860 

8,840 

9,040 

9,420 

10,300

10,600 

10,300 

9,980 

10,000 

9,920

9,700 

9,480 

9,700 

9,350 

9,350

9,310 

9,400 

9,060 

9,400

9,330

10,300 

9,790 

9,350 

9,750 

12,300

11,500 

13,300 

16,200 

14,600 

13,800 

13,500

Nov.

12,800 

12,300 

11,700 

11,800 

11,400

10,700 

11,100 

11,200 

11,300

11,100

11 ,.100

11,000

10,800 

10,700 

10,500

10,100 10,000

11,400 

14,000 

14,500

14,100 

13,600 

12,500 

12,500 

13,400

13,500 

14,100 

14,500 

14,700 

14,30O

Dec.

14,200 

13,900 

14,200 

14,300 

16,300

17,300 

17,100 

16,900 

16,900 

16,500

18,200 

20,200 

21,000 

23,800 

30,500

33,400 

30,900 

27,900 

24,300 

22,400

22,300 

21,800 

23,000 

22,800

22,500

21,600 

20,800 

21,100 

20,600 

19,200 

18.OOO

Jan.

17,900 

17,600 

17,000 

16,300 

15,500

16,600 

17,000 

17,900 

17,800 

16 , 600

16,100 

16,200 

16,000 

15,400 

14,000

13,300 

14,100 

14,400 

14 , 500 

14,500

14,400 

14,400 

14,900 

15,600 

16,500

17,000 

17,100 

15,900 

14,700 

13,800 

13,600

Feb.

12,500 

13,300 

14,900 

14,700 

15,300

15,800 

16,500

16,400 

15,800 

15,000

15,000 

15,800 

16,200 

17,000 

19,200

19,800 

19,500 

19,400 

19,200 

19,600

19,400 

19,000 

19,300 

19,500 

19,900

20,700 

20,100 

18,900

Month

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Apr!

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

18,300 

18,000 

17,700

 17,600 

17,300

16,900 

16,400 

15,900 

15,600 

15,500

15,400 

15,200 

15,200 

14,800 

14,800

15,000 

15,600 

17,000 

19,000 

20,100

21,000 

21,800 

23,200 

23,100 

22,800

22,100 

21,500 

20,800 

20,400 

20,300 

21,200

Apr.

21,500 

22,400 

22,900 

23,200 

23,200

21,900 

22,200 

21,800 

21,800 

21,600

21,500 

21,300 

21,300 

22.9OO 

26,200

28,300 

29,700 

31,200 

32,600 

34,500

35,600 

36,400 

37,100 

37 , 200 

37,400

37,800 

39,500 

42,900 

47,100 

52,200

Secondfoot-days

325,730 

366,700 

643,900

8,198,120

486,600 

487,700 

569,500 

895,200 

2,718,000 

1,985,800 

779,000 

350,740 

306,190

9,915,060

May

55 , 500 

57 , 800 

62,200 

68,900 

76,900

85,500 

92 , 300 

99,200 

107,000 

111,000

113,000 

113,000 

108,000 

103.0OO 

98,700

95,800 

92 , 600 

90,300 

88,400 

87,600

86,80O 

85.80O 

84 , 800 

83 , 400 

82,100

81,60O 

82,000 

82,900 

82,900 

8O.800 

78,200

Maximum

16,200 

14,700 

33,400

76,700

1 7 , 900 

20,700 

23,200 

52,200 

113,000 

84,200 

47,400 

15 , 500 

12,700

113,000

June

77,000 

76,700 

77,300 

7 7 , 800 

77,700

76,700 

75,200 

74,300 

75,100 

78,000

82 , 4OO 

84,200 

81,800 

79,200 

77,300

76,300 

75,100 

74,400 

73,200 

65,800

58,200 

55,900 

53,900 

49,700 

43,300

37,200 

33,600 

33,100 

37,000 

48,400

Julv

47,400 

46,600 

43,500 

37,000 

31,800

26,200 

24,500 

26,500 

30,800 

30,800

29,400 

27,600 

27,100 

27,000 

27,800

27,000 

25.0OO 

21,100 

19.7OO 

23,300

23,000 

16,400 

16,200 

15,500 

16,500

15,800 

16,900 

14,500 

14,200 

14,900 

15,000

Minimum

8,840 

10,000 

13,900

8,280

13,300 

12,500 

14,800 

21,300 

55,500 

33,100 

14,200 

8,930 

9,290

8,840

Aug.

f!2,400 

10,600 

10.9OO 

12,100 

13,400

13,300 

12,800 

12,100 

11,700

10,700

10,600 

9,960

10,100 

11,000

10,900 

10,800

10,300 

10,200 

9,440 

9,440

8,930 

9,560 

9,610 

a9,600

alO,500

all, 000 

a!2,000 

a!5,500 

alS.OOO 

a!3,500 

12,800

Mean

10,510 

12,220 

20,770

22,460

15,700 

17,420 

18,370 

29,840 

87,680 

66,190 

25,130 

11,310 

10,210

27,160

Sept.

12,700 

12,400 

11,200 

11,000 

9,970

9,290 

9,400 

9,510 

9,460 

9,410

9,430 

9,360 

9,330 

9,340 

9,340

9,490 

9,640 

10,300 

11,OOO 

10,900

10,900 

11,400 

10,500 

9,950 

9,970

10,200 

10,200 

10,000 

10,600

10,000

Runoff in 

acre -feet

646,100 

727,300 

1,277,000

16,260,000

965,200 

967,300 

1,130,000 

1,776,000 

5,391,000 

3,939,000 

1,545,000 

695,700 

607,300

19,670,000

a No gage-height record; discharge computed on basis of recorded range in stage and records for 

station near Plains.

f Computed from partly estimated gage height.
FEND OREILLE RIVER BASIN 225

Pend Oreille Lake at Hope, Idaho

Location - Water-stage recorder, lat. 48°15', long. 116°18', In lot 2, sec. 35, T. 57 N., 

K. IE., at floating dock near Northern Pacific Railway station at Hope. Datum of gage 

is 2,000.00 feet above mean sea level, datum of 1929.

Drainage area.- 22,900 square miles.

Kecoras available - September 1921 to September 1947. March 1914 to September 1922 at 

site or sandpoint.

Extremes.- Maximum contents during year, 1,716,000 acre-feet May 17 (elevation, 2,064.32 

reetj ; minimum, 237,900 acre-feet, while clock stopped, probably Oct, 3, 4, or 5 (elevation, 2,047.92 feet).

1921-47; Maximum contents, 2,154,000 acre-feet June 21, 1933 (elevation, 2,068.78 

feet); minimum, 117,700 acre-feet Feb. 17, 1936 (elevation, 2,046.47 feet).

Maximum contents known, 2,905,000 acre-feet in June 1S94 (elevation, 2,076.08 feet).

Remarks.- Diversions from tributaries of Clark Pork for irrigation. Pend Oreille Lake is 

a natural lake and there is no regulating structure at the outlet.

Capacity table (elevation, In feet, and contents, In acre-feet) 

(Capacity above elevation 2,045 feet. Prepared by Corps of

Engineers from Geological Survey 

Topographic Hap published In 1927)

2,046 79,200

2,048 244,600

2,050 414,800

2,052 588,400

2,054 764,700

2,056 943,500

2,058 1,125,000

2,060 1,308,000

2,062 1,495,000

2,064 1,685,000

2,066 1,878,000

2,068 2,076,000

2,070 2,277,000

2,072 2,481,000

2,074 2,688,000

2,076 2,896,000

Elevation, In feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

IS

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

_

_

_

.

-

.

_

_

_

-

_

_

-

_

-

h48.0

-

_

.

-

_

_

h48.2

48.20

48.30

48.37

48.39

48.46

48.57

48.63

48.68

NOT.

48.73

48.74

48.73

48.71

48.70

48.69

48.67

48.64

48.64

48.62

48.60

48.58

48.56

48.54

48.52

48.50

48.52

48.68

48.84

48.89

48.98

49.04

49.10

49.11

49.15

49.23

49.30

49.37

49.43

49.46

Dec.

49.46

49.48

49.48

49.49

49.51

49.59

49.64

49.73

49.80

49.87

49.98

50.08

50.23

_

-

.

_

51.28

51.51

51.67

51.72

51.69

51.67

51.64

51.62

51.60

-

_

_

e51.5

Jan.

h.51.7

-

_

_

-

.

-

h50.6

_

-

_

_

_

_

h.50.25

.

-

_

-

-

.

h49.9

_

_

-

.

-

.

h50.2

50.28

50.24

Fab.

50.18

50.09

50.06

50.02

49-99

49.99

.

_

.

-

49.80

49.81

49.82

49.88

49.96

_

-

h50.5

-

50.51

50.56

50.62

50.66

50.69

50.70

50.73

50.74

_

-

Mar.

50.73

50. 7O

50.70

50.69

50.64

50.61

50.57

50.51

50.45

50.42

.

h50.5

_

-

_

50.17

50.18

50.22

50.31

50.41

50.53

50.66

50.82

50.95

51.04

51.12

51.14

51.17

51.19

51.22

Apr.

51.27

51.34

51.42

51.49

- 51.53

51.57

51.58

51.59

51.59

51 »-60

51.60

51.60

51.59

51.60

51.64

51.78

51.91

52.08

52.30

52.55

52.81

53.06

53.27

53.46

53.64

53.81

54.00

54.26

54.60

54.97

Hay

55.39

55.80

56.26

56.77

57.38

58.06

58.84

59.70

60.62

61.53

62.34

63.02

63.59

63.94

64.16

64.27

64.31

64.27

64.18

64.09

64.00

63.90

63.78

63.63

63.53

63.40

63.27

63.18

63.11

63.03

62.89

June

62.75

62.59

62.46

62.36

62.23

52.20

62.08

62.00

61.94

61.92

61.95

62.02

62,10-

62.12

62.07

61.97

61.88

61.77

61.66

61.48

61.12

60.76

60.38

59.98

59.50

59.02

58.45

57.88

57.38

57.12

July

57.00

56.88

56.75

56.52

56.20

55.81

55.38

54.99

54.73

54.52

54.33

54.12

53.88

53.70

53.54

53.39

53.22

53.03

52.76

52.56

52.42

52.24

51.98

51.74

51.54

51.33

51.16

51.06

50.87

50.69

50.59

Aug.

50.45

50.30

50.13

49.99

49.90

49.79

49.72

49.64

49.56

49.47

49.36

49.25

49.17

49.08

49.01

48.95

48. S9

43.84

48.78

48.70

48.66

48.59

48.57

48.53

48.52

48.51

48.50

48.58

48.66

48.71

48.71

Sept.

48.72

48.73

48.72

48.71

48.68

48.60

48.59

48.57

48.53

48.52

48.49

48.44

48.47

48.38

48.35

48.34

48.28

48.27

48.29

48.30

48.31

48.33

48.35

48.35

48.34

48.33

48.33

48.31

48.30

48.31

h Staff-gage reading reported by U. S. Navy from U. S. Navy gage In Scenic Bay. 

Note.- Add 2,000 feet to obtain elevation above mean sea level.

Monthly elevation and contents, water- year October 1946 to'September 1947

Date

Calendar year 1946...

Water year 1946-47...

Elevation 

(feet)t

-

2 051 25

-

Contents 

(acre-feet;

-

-

Change In contents 

during month 

(acre-feet)

+59 100

+218,930

+25,200

t Gage height at 12 p.m.

e Elevation estimated on basis of records for Pend Oc-ellle River belo-» 

Z Canyon, near Metaline Palls, Wash.
226 PEND OREILLE RIVER BASIN

Pend Oreille River below 2 Canyon, near Metaline Falls, Wash. 

(International gaging station)

Location.- Water-stage recorder, lat. 48°59 1 , long. 117°21', in lot 2, s?c. 11, T. 40 N., 

K. 43 E., three-quarters of a mile downstream from Z Canyon, lj miles south of international boundary, 5 miles downstream from Slate Creek, and 10 miles downstream from 

Metaline Palls. Datum of gage is 1,721.80 feet above mean sea level, datum of 1929 

(levels by Corps of Engineers).

Drainage area.- 25,200 square miles.

Records available.- October 1928 to September 1947. November 1908 to September 1910 and 

October 1912 to September 1928 at site at Metaline Palls, 10 miles upstream, published 

as Clark Fork at Metaline Falls.

Average discharge.- 35 years (1912-47), 25,270 second-feet.

Extremes.- Maximum discharge during year, 107,000 second-feet May 17-20; maximum gage

height, 43.62 feet May 18; minimum discharge, 9,910 second-feet Oct. 4, 10 (gage height, 

12.07 feet).

1912-47: Maximum discharge, 139,000 second-feet June 16, 1913 (gaee height, 41.2 

feet, site and datum then in use); minimum, 2,500 second-feet Dec. 12, 1919 (gage 

height, -2.4 feet, site and datum then in use).

Remarks.- Records excellent. Many small diversions from upper tributaries for irrigation. 

Flow affected by natural storage in Pend Oreille Lake (see preceding page) and some 

regulation by Flathead Lake (see p.252).

Cooperation.- This is one of the international gaging stations maintained by the United 

states under agreement with Canada.

Rating table, water year 1946-47 (gage height, In feet, 

and discharge, In second-feet)

12.0

12.5

13.0

13.5

14.0

S,740 

11,000 

12,300 

13,700 

15,300

15.0 

16.0 

17.0 

18.0 

1S.O

18,800

22,600

26,200

29,300

32,400

20.0

21.0

23.0

25.0

27.0

35,400

38,400

44,600

50,600

56,800

29.0

31.0

33.0

35.0

37.5

62.800 

69,OOO 

75,000 

81,200 

88,800

40.0 96,400

42.5 104,OOO

44.0 109.000

Discharge, In second-feet, water year October 1946 to September 1S47

Day

1 

2 

3 

4

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

10,200 

10.200 

10,100

10 , 100

10,100

10,300 

10.400 

10,400 

10.300 

10,200

10 , 400 

10,400 

10.500 

10,500 

10,500

10,800 

10,500 

10,400 

10,300 

10 , 500

10.800 

10 , 900 

11,200 

11,200 

11,300

11,20O 

11,700 

12,300 

12,500 

12,400 

13,000

Nov.

13,200 

13,200 

13,500 

13,700 

13,800

13,700 

13,500 

13,400 

13,200 

13 , 200

13,200 

13,200 

13,200 

13,100 

12 , 900

12,500 

12,600 

13, OOO 

14,000 

15,300

15,700 

15,200 

15,500 

15,600 

15,700

15,800 

16,200 

16,700 

17,000 

17,000

Dec.

17,300 

17,700 

17,600 

17 , 600 

17,700

17.800 

17,900 

18.200 

1S,3OO 

18,700

18 , 700 

18,800 

19,800 

20,700 

21,700

22,400 

24,000 

25,900 

27 , 100 

27,600

28,100 

28 , 100 

27,800 

27,700 

27,700

27,700 

27 , 500 

27,500 

27,500 

27,000 

26 , 500

Jan.

25,9OO 

25,400 

25,000 

24,500 

24,100

21,900 

20 . SOO 

21 , 300 

21,700 

24,400

25,100 

23,400 

22,400 

21,600 

21 , 500

20,900 

20 , 300 

20,OOO 

19,800 

19,200

19,100 

19,200 

19,200 

19,500 

19,300

19,700 

,19,900 

20,700 

21,300 

21,300 

20,400

Feb.

19,700 

20 , 400 

19,200 

19,660 

20,000

19,700 

19,600 

20 , 100 

20,300 

2O.OOO

19,500 

19,500 

19,700 

20,000 

20,400

20,900 

21,600 

22,100 

22,200 

22,300

22,600 

23,000 

23,300 

23,400 

23,800

24,300 

24,800 

24,500

Month

Octo 

Hove 

Dece

Ca

Janu 

Pebr 

Marc 

Aprl

June 

July 

Augu 

Sept

Wa

lendar year 194e

ter year 1946-47 .......................

Mar.

24,400 

24 , 400 

24,400 

24,100 

2 4,4OO

24,100 

24,000 

23,400 

25 . 300 

23,200

23,200 

23,000 

22,800 

22,600 

22,500

22 , 300 

22,200 

22,100 

22,200 

22,600

22,900 

23,300 

23.800 

24,500 

25,100

25,700 

26,200 

26,600 

26,800 

27,200 

27,500

Apr.

27,800 

28,000 

28,200 

28 , 600 

28 , 500

28,800 

28,600 

28 , 900 

29,000 

29,100

28,900 

29, OOO 

29,000 

29,000 

29,200

29,600 

29,900 

30,400 

31,300 

32,800

33,300 

34 , 900 

36,000 

37,000 

38,100

39,100 

40 , 200 

41,400 

42,700 

43,700

Secondfoot -days

335,600 

427,800 

708,600

10,321,600

668,900 

596,500 

744,800 

971,700 

2,761,100 

2,607,800 

1,221,900 

486,700 

373,500

11,904,900

May

45,800 

48,800 

51,100 

53,900 

57,500

61,700 

66,200 

71,200 

76,200 

81,800

87,400 

92,800 

97,500 

101,000 

104,000

'1O6.00O 

107,000 

107,000 

107,000 

107,000

106,000 

106,000 

105,000 

104,000 

104,000

103,000 

102,000 

102,000 

100,000 

99,400 

98,800

Maximum

13,000 

17,000 

28,100

88,000

25,900 

24,800 

27,500 

43,700 

107,000 

98,000 

60,000 

22,800 

13,400

107,000

June

98,000 

97,000 

95,900 

94 , 900 

94,200

93,600 

92 , SOO 

92,500 

92,100 

91,500

91,100 

91,000 

91 , 200 

91,600 

91 , 600

91,400 

90,900 

90,300 

89, 300 

88,400

87,200 

85,600 

83,300 

80,700 

78,300

75,300 

72,300 

68,600 

65,100 

62,000

Minimum

July

6C.OOO 

56 , 900 

57,700 

56 , 600 

55,200

53 , 600 

53,200 

48,800 

46 , 400 

44,600

43,300 

41,800 

4C , 700 

3£,400 

3£,800

37,500 

36,700 

3f ,800 

34 ,900 

33,600

3? , 600 

31,700 

3C , 900 

2F.700 

2f,50O

27,400 

2f,800 

2f , 200 

24,800 

24-, 200 

2J,600

10,100 

12,500 

17,300

10,100

19,100 

19,200 

22,100 

27,800 

45,800 

62,000 

23,600 

12,400 

11,800

10 , 100

Aug.

22,800 

21,900 

21,200 

20 , 400 

19,500

18,700 

18,400 

17,900 

17,300 

17,100

16,800 

16,400 

16, OOO 

15,600 

15,200

14 , 600 

14.600 

14 , 300 

13,800 

13,400

13,300 

13.100 

12,800 

12,800 

12,700

12 , 600 

12,400 

12,500 

12 , 500 

13,000 

13,100

Mean

10,830 

14,260 

22,860

28,280

21,580 

21,300 

24,030 

32,390 

89,070 

86,930 

39,420 

15,700 

12,450

32,620

Sept.

13,300 

13, 300 

13,400 

13,200 

13,000

12,800 

13,100 

13,000 

13,000 

13,000

12,800 

12.7OO 

12,300 

12,000 

12,100

12,000 

12,200 

12,600 

12 , 400 

11,900

11,800 

11,800 

11,800 

11,900 

12,000

12,000 

11,900 

12,000 

12,100 

12,100

Runoff In 

acre-feet

665,700 

848 , 500 

1,405,000

20,470,000

1,327,000 

1,183,000 

1,477,000 

1,927,000 

5,477,000 

5,172,000 

2,424,000 

965,400 

740,800

23,610,000
PEND OREILLE RIVER BASIN 

Smaller reservoirs in Pend Oreille River Basin, Mont.

227

Georgetown Lake on Flint Creek, 2 miles west of Southern Grogs, storage began about 1905 

to store water for pumpage into Warm Springs Creek for use of reduction wo^ks of Anaconda Copper Mining Co. at Anaconda, or for release through Flint Creek for power development, has usable capacity of 31,000 acre-feet. Records furnished by Montana Power Co.

East Fork Rock Creek Reservoir on East Fork Rock Creek, 14 miles southwest of Philipsburg, 

storage Degan in laUB ror irrigation in Flint Creek Valley, has usable capacity of 

16,000 acre-feet (revised). Records furnished by Montana State Water Conservation Board.

Nevada Creek Reservoir on Nevada Creek, 7 miles west of Finn, storage began in 1939 for 

irrigation, Has usable capacity of 12,600 acre-feet. Records furnished by Montana State 

Water Conservation Board.

West Fork Bitterroot River Reservoir on West Fork Bitterroot River, 7 miles mstream from 

Nez rerce t'reek and 23 miles south of Darby, storage began in 1940, for irrigation, has 

usable capacity of 31,700 acre-feet. Records furnished by Montana State Water Conservation Board.

Comp Lake on Rock Creek, 4 miles northwest of Darby, storage began in 1909 fo*1 irrigation, 

has usable capacity of 34,800 acre-feet. Records furnished by Bitterroot Irrigation 

-District.

Camas Reservoirs comprise a group of four reservoirs In Little Bitterroot Riv?r Basin, 

wnicn are operated for irrigation. Records furnished by Office of Indian Affairs. 

Little Bitterroot Lake on Little Bitterroot River, 2 miles southwest of Marion, storage 

began in 1918, has usable capacity of 24,000 acre-feet (revised). Water level below 

outlet during year. Hubbart Reservoir on Little Bitterroot River, 9 miles northwest of 

Niarada, storage began in 1924, has usable capacity of 12,100 acre-feet. Upper Dry 

Fork Reservoir on Dry Fork Creek, 4 miles northwest of Lonepine, storage bsgan in 1940, 

has usable capacity of 2,700 acre-feet. Dry Fork Reservoir on Dry Fork Creek, 1 mile 

west of Lonepine, storage began in 1921, has usable capacity of 4,000 acre-feet.

Mission Valley Reservoirs comprise a group of eight reservoirs in the area east of and 

tributary to .b'lathead Kiver between Flathead Lake and the Jocko River, which are operated for irrigation. Records furnished by Office of Indian Affairs. Twin Reservoir, 

fed entirely by canals, 4 miles southeast of Poison, storage began in 1932, has usable 

capacity of 1,210 acre-feet {revised). Pablo Reservoir, fed entirely by canals, 

3 miles south of Poison, storage began in 1914, has usable capacity of 25,000 acre-feet. 

Lower Crow Reservoir on Crow Creek, 6 miles west of Ronan, storage began in 1933, has 

 usable capacity of 10,350 acre-feet. Kicking Horse Reservoir, fed entirely by canals, 

5 miles south of Ronan, storage began in 1930, has usable capacity of 8,350 acre-feet. 

Nine-pipe Reservoir, fed entirely by canals, 2 miles northeast of Charlo, storage began 

in 1911, has usable capacity of 14,870 acre-feet. McDonald Reservoir on Post Creek, 

9 miles east of Charlo, storage began in 1919, has usable capacity of 8,22? acre-feet 

(revised). Mission Reservoir on Mission Creek, 4 miles east of St. Ignatius, storage 

began in 1935, has usable capacity of 7,250 acre-feet. Tabor Reservoir on Dry Creek, 

8 miles southeast of St. Ignatius, storage began in 1919, has usable capacity of 23,000 

acre-feet. *

Lower Jocko Lake on Jocko River, 15 miles east of Arise, storage began In 1937, has usable 

capacity or 7,600 acre-feet. Records' furnished by Office of Indian Affairs.

Thompson Falls Reservoir on Clark Fork, at Thompson Falls, for power development, has usable capacity or ib.uOO acre-feet. Records furnished by Montana Power Co.

Other reservoirs of small capacity, principally on tributaries of Bitterroot River, are 

operated for. irrigation.

Monthly change in contents, in acre-feet, water year October 1946 to September 1947

Month

December. ...........................

Calendar year 1946 ................

April.... ....... ..... ..........

Mav

(Contents, Sept. 30, 1947) ..........

Water year 1946-47 ................

Month

December. ............ ..............

Calendar year 1946. ...............

May.................................

July. ...............................

(Contents, Sept. 30, 1947) ..........

Water year 1946-47. . ..............

Georgetown 

Lake

+220

b+30

-110

(28,360)

+5,640

Camas 

Reservoirs

(640)

+1,280

+2,300

(21,420)

+20,780

East Pork 

Rock Creek 

Reservoir

_

_

-

.

_

_

_

a-4,000

(7,140)

-

Mission 

valley 

Reservoirs

(16, ISO)

+2,690

-8,100

-32,140

(23,250)

+7,090

Nevada 

Creek 

Reservoir

(6,990)

a+160

a+2,330

a-340

+1,260

a+40

a+490

a-90

a+30

eO

_

_

-

.

Lower 

Jocko 

Lake

.-210

c-40

CO

cO

0

+30

-1,840

(1,320)

+1,140

West Pork 

Bitterroot 

River 

Reservoir

(313,000)

-17,500

-4,500

0

0

0

0

0

a+16,000

a+6,000

o

0

0

a-820

a(3X,180)

a-82o

Thompson 

Palls 

Reservoir

(9,670)

+4,720

+1 , 200

-620

+150

-2,670

+3,090

+290

-10,690

d+240

+9,160

+1,430

-3,170

(11,650)

+1,980

Como 

Lake

(6,430)

+7,770

+5,800

+3,600

-

-600

-2,600

0

+1,300

+12,200

+800

-2,400

-14,700

-7,400

(10,200)

+3,770

a Interpolated on basis of readings made weekly 

or less frequently.

b Based on gage reading on first day of following 

c No report Dec. 31, 1946; probably empty.

d Change in contents for 2-month period, 

e Based on readings 1 to 4 days prior 

aonth. to end of month.

f Partly estimated.
228 FEND OREILLE RIVER BASIN

Flint Creek near Southern Cross, Mont.

Location.- Staff gage and Cippoletti weir, lat. 46°14', long. 113°18', in NW£ sec. 36, T. 

13 N-, H. 14 W., half a mile downstream from power plant, 2 miles downstream from 

Georgetown Lake, 3 miles northwest of Southern Cross, and 6 miles south of Philipsburg.

Drainage area.- 52.5 square miles.

Records available.- October 1940 to September 1947.

Extremes.- Maximum daily discharge during year, 53 second-feet June 19-23; minimum discharge observed, 28 second-feet Feb. 19 to Mar. 15.

1940-47: Maximum discharge observed, 162 second-feet June 13, 1949 (gage height, 

1.86 feet); probably no flow Aug. 20, 1943, when generator was shut down.

Remarks.- Records good except those for June 12-24, which are fair. Gage read once daily. 

Flow regulated by Georgetown Lake (see preceding page).

Cooperation.- Gage-height record furnished by the Montana Power Co., under general supervision of Geological Survey, in connection with a Federal Power Commission project.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

 9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

30 

30 

30 

30 

31

31 

31 

31 

31 

31

31 

31

31 

31 

31

31 

31 

31 

31 

31

31 

31 

31 

31

31

31 

31 

31 

31

31 

31

Nov.

31 

31 

31 

31 

31

31 

31 

31 

31 

31

31 

31 

31 

31 

31

31 

31 

31 

31 

31

31 

31

31 

31 

31

31

31

31 

31

31

Dec.

31 

31

31 

31 

31

31 

31 

31 

31 

31

31 

31 

31 

31 

31

31 

31 

31 

31 

31

31 

31 

31 

31 

31

31 

31 

31 

31 

31 

31

Jan.

31 

31 

31

31 

31

31 

31 

31 

31 

31

31 

31

31 

31 

31

31 

31 

31 

31 

31

30 

30 

30 

30 

30

30 

30 

30 

30 

30 

30

Feb.

30 

30 

30 

30

30

30 

29 

29

29 

29

29 

29 

29 

29 

29

29 

29 

29 

28 

28

28 

28 

28 

28 

28

28 

28 

28

Month

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Apr! 

May.

June 

July 

Augu 

Sept

Wa

lendar year 1946

ember. ..................................

ter year 1946-47 .......................

Mar.

28 

28 

28 

28 

28

28 

28 

28 

28 

28

28 

28 

28 

28 

28

29 

29

30 

30 

30

30 

30 

30 

29 

30

29 

29 

29 

29 

29 

29

Apr.

29 

29 

29 

29 

29

30 

30 

30 

30 

30

30

30 

31ei

31

31 

32 

32 

32 

32

32 

32 

32 

32 

32

' 32 

32 

33 

33 

32

Secondfoot-days

957 

930 

961

10,537

950 

808 

891 

929 

970 

1,208 

1,143 

917 

870

11,534

May

32 

33 

33 

33 

34

34 

34 

34 

33 

34

32 

32

31 

31 

30

30 

30

30 

30 

30

30 

30 

30 

30 

30

30

30 

30 

30 

30

30

Maximum

31 

31

31

32

31 

30 

30 

33 

34 

53 

43 

30 

29

53

June

30 

30 

30 

30 

30

30 

30 

30 

30 

31

31 

38 

48 

43

43

43 

43 

43 

53 

53

53 

53 

53 

52 

48

43 

43 

43 

43

43

July

43 

43 

43 

43 

43

43

43 

43 

43 

43

43 

43 

43 

43 

43

39 

35

32

31 

31

30 

30 

30 

3O 

30

3O

30

30 

30 

30 

30

Minimum

30 

31

31

14

30 

28 

28 

29 

30 

30 

30 

29 

29

28

Aug.

30 

30 

30 

30 

30

30 

30 

30 

30

30

3O 

30 

30 

30 

30

30 

30 

30 

29 

29

29 

29 

29 

29

29

29 

29 

29 

29 

29 

29

Mean

30.9

31.0 

31.0

28.9

30.6 

28.9 

28.7 

31.0 

31.3 

40.3 

36.9 

29.6 

29.0

31.6

Sept.

29 

29 

29 

29 

19

29. 

29 

29 

29 

29

29 

29 

29 

29 

29

29

29 

29 

29 

29

29 

29 

29 

29 

29

29 

29 

29 

29 

29

Runoff In 

acre-feet

1,900 

1,840

1,910

20,900

1,880 

1,600 

1,770 

1,840 

1,920 

2,400 

2,270 

1,820 

1,730

22,880

Note.- Doubtful or no gage-height record June 12-24; discharge computed on basis of power-plant 

records.
PEND OREILLE RIVER BASIN 229

Flint Creek at Maxville, Mont.

Location.- Water-stage recorder, lat. 46°28'00", long. 113°14'30", in NWr S3c. 9, T. 8

 N., R. 13 W., 0.4 mile west of Maxville and 1 mile upstream from Boulder Creek.

Drainage area.- Ill square miles.

Records available j - August 1941 to September 1947. April 1939 to September 1941 at 

site half a mile upstream (records not equivalent).

Extremes.- Maximum discharge during year, 318 second-feet June 10 (gage height, 3.75

 *TTtT minimum recorded, 32 second-feet Feb. 11 (gage height. 1.49 feet).

1941-47: Maximum discharge, 1,680 second-feet Mar. 28, 1943 (gage height, 6.79 

i«et), from rating curve extended above 600 second-feet; minimum, 27 second-feet 

Mar. 4, 1945, Jan. 26, 1946; minimum gage height, 1.31 feet Mar. 4, 1945.

Remarks.- Records good except those for periods of ice effect, which are fair. Many di-

 VeTSTons above and below station for irrigation. During irrigation season flow is 

supplemented by water from East Fork Rock Creek which is diverted in sec. 5. T. 4 N., 

R. 14 W., 500 feet below Rock Creek Dam, through a canal into Trout Cr-ee'-c, thence 

into Flint Creek. Some regulation by Georgetown Lake.

Discharge, in second-feet, water year October I94f, to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

64 

139 

103 

87 

85

88 

87 

86 

86 

86

85 

84 

84 

82 

82

82 

82 

82 

81 

80

84

90 

103 

92 

97

113 

95 

95 

92 

93 

88

Nov.

90 

83 

79 

82 

81

81 

82 

82 

80 

80

79 

74 

79 

74 

73

76 

78 

79 

81 

54

b50 

75 

90 

87 

75

73 

74 

79 

78 

73

Dec.

67 

71 

66 

67 

67

66 

65 

65 

64 

65

76 

78 

85 

106 

127

82 

63 

70 

77 

72

71 

71 

69 

67 

65

66 

65 

62

b60 

b62 

b63

Jan.

b63 

b63 

b63 

b63 

b63

b64 

b65

*66 

66 

70

70 

62 

61 

55 

b50

43 

48 

57 

62 

58

61 

65

66 

81 

66

65 

59 

b58 

b57 

b56 

b54

Feb.

53 

54 

*54

55 

SO

59 

54 

b5O 

b48 

b45

43

62

84 

154 

115

103 

110 

80 

69 

64

63 

63 

72 

89

66

60 

51 

72

Month

Oeto 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946 -47 .......................

Mar.

62 

69 

62 

59 

57

58 

*57 

58 

58 

62

66 

68 

68 

85 

136

164 

148 

138 

138 

117

108 

110 

90 

82 

77

78 

73 

76 

80 

87 

84

Apr.

81 

88 

87 

82 

81

82 

81 

80 

80 

78

79 

77 

82 

95 

108

103 

108 

133 

119 

121

125 

122

115 

112 

107

100 

104 

119 

138 

144

Secondfoot -days

2,777 

2,321 

2,220

27,634

1,900 

1,952 

2,675 

3,031 

4,206 

5,255 

3,008 

2,901 

2,648

34,894

May

126 

126 

175 

200 

2O8

200 

208 

224 

242 

233

178 

156 

141 

128 

117

110 

100 

100 

103 

104

91

98 

92 

90 

92

101 

103 

100 

88 

81 

91

Maximum

139 

90 

127

214

81 

154 

164 

144 

242 

295 

114 

114 

148

295

June

151 

164

175 

162 

157

141 

134 

130 

238 

295

208 

177 

171 

200 

172

163 

216 

273

216 

192

185

170 

162 

150 

129

128 

156 

158 

148 

134

July

Minimum

64 

50 

SO

33

43 

43 

57 

77 

81 

128 

78 

66 

64

43

113 

104 

94 

94 

90

78 

81 

92 

95

92

101 

113 

114 

114

103

92

92 

92 

84 

83

86

94 

104 

105 

102

99 

96 

98 

98 

99 

106

Aug.

112 , 

110 

104 

100 

102

106 

114 

106 

93 

89

86 

87 

89 

86 

84

83 

81 

78 

78 

87

101 

100 

108 

105

102

99 

98 

93

83 

71 

66

Mean

83.6 

77.4

71.6

75.7

61.3 

63.7 

86.3 

101 

135 

175 

97.0 

93.6 

83.3

93.6

Sept.

64 

72 

12 

?0

66 

69 

78 

81 

86

83 

79 

77 

80 

82

148 

148

124 

118 

104

94

90 

86 

82 

82

84 

86 

84 

90 

103

Runoff In 

acre-feet

5,510 

4.6OO 

4,400

54,810

3,770 

3,870 

5,310 

6,010 

8,340 

1O.42O 

5,970 

5,750 

5,250

69,200

Winter discharge measurement made on this day. 

b Stage-discharge relation affected by Ice.
230 FEND OREILLE RIVER BASIN

Flint Creek near Maxville, Mont.

Location.- Wire-weight gage, lat. 46°32', long. 113°14', in NE^ sec. 21, T. 9 N., R. 13 

w., 5U feet downstream from point of diversion of Allandale Canal and 4 miles north 

of Maxville.

Drainage area.- 324 square miles.

Records available.- April 1946 to September 1947 (irrigation seasons only).

Extremes.- Maximum discharge observed during period, 580 second-feet June 10 (gage height, 

3.90 feet), from rating curve extended above 140 second-feet by logarithmic plotting; 

minimum observed, 37 second-feet ftug. 20 (gage height, 1.40 feet).

1946-47: Maximum discharge observed, that of June 10, 1947; minimum observed, 32 

second-feet July 23-25, 1946; minimum gage height observed, 1.29 feat July 23, 24, 1946.

Remarks.- Records good except those above 200 second-feet, which are fair. Gage read on

Creek. Some regulation by Georgetown Lake.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct. Nov. Dec. Jan. Feb.

Month

Octo 

Move 

Dece

Ca

Janu 

Febr 

Marc 

Apr! 

May.

June 

July 

Augu 

Sept

Th

lendar year 

ary

e period ................................

Mar. Apr.

Secondfoot-days

9, 

2, 

1, 

2,

-

936 

961 

941 

883

-

May

Maximum

580 

164 

88 

175

-

June

307

294 

256 

281 

547 

580

500 

5OO 

484 

500 

484

484 

469 

469 

454 

424

424 

409 

335 

294 

268

23E 

268 

244 

220 

209

July

164 

144 

125 

116 

108

102 

90 

88 

102 

102

105 

99 

102 

99 

99

93 

88 

80 

73 

76

78 

76 

80 

88 

85

83 

85 

83 

80 

83 

85

Minimum

209 

73 

37 

46

-

Aug.

85 

88 

80 

76 

76

73 

73 

67 

61 

59

55 

47 

46 

44

41

39 

39 

39 

38 

37

71 

78 

85 

83 

80

78 

73 

67 

59 

54 

50

Mean

382 

95.5 

62.6 

96.1

-

Sept,

47 

49 

50 

52 

50

52 

53 

54 

50 

54

50 

49 

46 

50 

57

175 

164 

154 

154 

144

144 

125 

125 

125 

116

116 

116 

144 

154 

164

Runoff In 

acre -feet

19,710 

5,870 

3,850 

5,720

35,150
FEND OREILLE RIVER BASIN 231

Trout Ci sek above main canal, near Phlllpsburg, Mont.

Location.- Water-stage recorder, lat. 46°10'30", long. 113°24'20", in NW^ sec. 19, T. 5 

N., K. 14 W., just above drop for main rupply canal from East Fork Rock Creek and 12 

miles southwest of Philipsburg. '

Drainage area.- 4.2 square miles.

Records available.- November 1945 to September 1947.

Extremes.- Maximum discharge recorded during year, 26 second-feet Apr. 14 (gage height, 

1.97 feet), from rating curve extended above 9 second-feet; minimum recorded, 0.6 second-foot Jan. 31 (gage height, 1.03 feet).

1945-47: Maximum discharge recorded, that of Apr. 14, 1947; maximum gage height 

recorded, 2.02 feet Mar. 27, 1946; minimum recorded, 0.3 second-foot July 30, 1946 

(gage height, 1.02 feet).

Remarks.- Records fair except those for periods of ice effect or no gage-height record, 

which are poor. One small diversion above station.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

IB 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

4.9

6.4 

4.5 

4.5 

4.5

4.3 

4.3 

4.3

4.3

4.3 

4.3

4.3 

4.3

4.3 

4.1

4.1 

4.1 

4.1

4.3 

4.5 

4.5

4.5 

4.5

4.5

4.3 

4.3 

4.1 

4.1 

4.1

Nov.

.1 

.1 

.1 

.1 

.1

.1 

.1 

.1

.1

.1 

.1

.1

.1

.1

.1

.7 

.3 

.5

.9 

.9 

.2

.2 

.9

.9 

.9 

.9 

.9 

.7

Dec.

4.7 

4.7 

4.7 

4.7 

4.7

4.7 

4.7 

4.7

4.7

4.9 

4.9

5.4

5.7

4.9 

b4.5 

b4.5 

4.7 

4.5

4.5

4.5 

4.5 

4.5 

4.3

4.3 

4.3 

b4 

b4 

a4 

a4

Jan.

a4 

a4 

a4 

a4 

4.1

4.1 

*4.1 

4.1

4.1

4.1 

4.1

4.3

b3.5

b3.5 

3.9 

3.7 

3.2 

b3.2

3.3 

3.3 

3.3 

2.8 

b3

3.5 

3.3 

b3 

b3 

2.8 

2.4

Feb.

b2.5

b2.5 

b2.5 

b2.5 

2.7

2.6 

2.6 

2.3

2.3

2.3 

2.4

2.6 

2.6

2.7 

2.6 

2.4 

2.4 

2.4

2.4 

2.4

2.6 

2.6 

2.4

b2.2 

b2.2

I

Month

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946- 47 .......................

Mar.

a2.4 

a2.6 

a3.5 

a3.5 

a3.5

a3.5 

h4.1 

*h3.9

a4

a4 

a4

a5

alO

a9.5 

a9 

a8.5 

8.0 

8.0

8.0 

6.6 

5.7 

5.4 

4.9

4.9 

5.2

7.2 

6.9 

6.4

Apr.

6.6 

6.9 

6.4 

5.9 

5.4

5.4 

5.9

5.7

5.4

5.4 

6.4

12 

8.3

7.7 

8.0 

7.7 

8.0 

7.7

7.4 

8.0 

7.2 

7.2 

6.9

6.9 

7.2

7.7 

7.7

Secondfoot-days

136.2 

132.6 

142.8

1,528.9

111.9 

69.1 

172.1 

213.4 

184.5 

165.2 

156.5 

150.1 

148.0

1,782.4

May

7.2 

6.9 

6.9 

6.6 

6.6

6.4 

6.4 

6.4

6.9

6.4 

6.4

6.1 

5.9

5.7 

5.4 

aS. 4 

as. 4 

a5.3

a5.3 

a5. 3 

as. 3 

a5. 2 

a5. 2

5.2 

5.2

5.2 

5.2 

6.6

Maximum

6.4 

5.2 

5.7

10

4.3

2.7 

10 

12 

7.2 

6.6 

5.2 

5.4 

5.7

12

June

5.9 

6.1 

5.7 

5.4 

5.4

5.2 

5.2 

5.4

5.9

5.4 

5.2

5.4 

4.9

5.2 

6.6 

5.7 

5.2 

5.2

5.2 

5.4 

5.4

5.2 

5.2

5.4 

5.9

5.4 

5.4

Minimum

July

5.2 

5.2 

5.2 

4.9 

4.9

4.9 

a4.9 

a4.9

a5.0

a5.0 

aS.O

aS.O 

aS.O

as.l 

a5.1 

a5.1 

a5.1 

as.l

a5.2 

a5.2

a5. 2 

5.2 

5.2

5.2 

4.9

.1 

.1

.4

.4

.2 

.4 

.4 

.2

.9

.9 

.7 

.7

2.2

4.9

4.9 

5.2

Aug.

5.4 

5.2 

5.2 

5.2 

4.9

4.9 

4.9 

4.7

4.7

4.7 

4.9

4.7 

4.7

4.7

4.7 

4.7 

4.7 

4.9

4.9 

4.9 

4.9 

4.9 

4.9

4. 

4.

4. 

4.

4.

Mean

4.39 

4.42 

4.61

4.19

3.61 

2.47 

5.55

7.11 

5.95 

5.51 

5.05 

4.84 

4.93

4.88

Sept.

4.7 

a4.8 

4.9 

4.9 

4.7

4.7 

4.9 

4.9 

4.9 

4.9

4.9

4.7

4.7 

4.9

5.4 

5.2 

5.2 

5.2 

5.2

5.2 

4.9 

4.7 

4.7 

4.7

4.9 

4.9

5.7 

5.2

Runoff In 

acre-feet

270 

263 

283

3,030

222 

137 

341 

423 

366 

328 

310 

298 

294

3,540

Winter discharge measurement made on this day 

a Ho gage-height record- discharge Interpolated 

for Troub Creek near Southern Cross.

b Stage-discharge relation affected by Ice. 

h Computed from staff-gage reading.

903681 O - 50 - 16

or computed on basis of weather re-jorda and recordu
PEND OREILLE RIVER BASIN

Trout Creek near Southern Cross, Mont.

Location.- Water-stage recorder, lat. 46°17 I , long. 113 U 20', in NW^ sec. 15, T. 6 N., R. 

14 W., a quarter of a mile upstream from mouth, 4| miles southwest of Philipsburg, and 

6-5 miles northwest} of Southern Cross.

Drainage area. - 34.8 square miles.

Records available.- December 1945 to September 1947.

Extremes.- Maximum discharge during year, 103 second-feet Sept. 16 (gage height, 4.13 

reet); minimum, 8.0 second-feet Jan. 26 (gage height, 2.61 feet).

1945-47: Maximum discharge, 107 second-feet Mar. 26, 1946; maximum gage height, that 

of Sept. 16, 1947; minimum discharge, that of Jan. 26, 1947.

Remarks.- Records good except those for Oct. 1 to Feb. 1, Aug. 1 to Sept. 30, which are 

fair. Many diversions above station. During irrigation season flow is supplemented by 

water from East Fork Rock Creek which is diverted in sec. 5, T. 4 N., R. 14 W., 500 

feet below Rock Creek Dam, through a canal into Trout Creek.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

40 

54 

37 

37 

41

43 

41 

41 

41 

41

39 

39

38 

37

35 

35 

34 

33

33

34 

34 

34 

32 

34

33 

33 

37 

37 

36 

36

Nov.

32 

30 

28 

28 

30

31 

31 

30 

29

30

29 

27 

26

27

24 

26 

28

26 

22

24 

26 

28

26 

24

24 

25 

25 

24 

23

Dec.

22 

2 

2 

2 

2

2 

1 

1 

1 

1

0

3 

6 

7

2 

9 

9 

9 

1

1 

1

1 

1

0

20 

18 

18 

18 

20 

21

Jan.

21 

19 

19

20 

20

19 

19 

19 

19 

19

19 

18

18 

16

18 

19 

18

17 

17

18 

18 

18 

18 

17

15 

17 

15 

16 

a!5 

a!5

Feb.

a!4 

14 

14 

15

17

16 

15 

14 

15 

14

16 

18

26 

23

27 

23 

18 

16 

15

15 

15 

18 

18 

15

15

20 

15

Month

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Apr! 

May

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

15 

15 

15 

15 

14

14' 

13 

14 

14 

14

14 

14

15 

22 

53

52 

44 

44 

41 

36

35 

34 

23

20 

19

18 

18 

21 

25 

*27 

23

Apr.

21 

25 

24 

21

19

19 

19 

19 

19 

19

18 

19 

22 

27 

25

22 

23 

26 

25 

27

28 

27 

26 

25 

25

25 

26

27 

28

30

Secondfoot -days

1,155 

809 

685

11,026.8

553 

485 

741 

7O6 

813 

1,444 

2,143 

2,298 

1,792

13,624

May

27 

26 

27 

26 

26

23 

19 

20 

22 

24

23 

22 

23 

27 

28

30 

32 

31 

33 

30

28 

28 

28 

26 

22

24 

22 

26 

25 

25 

40

Maximum

54 

32

37

78

21

27 

53 

30 

40 

77 

80 

90 

93

93

June

48

35 

31 

31 

3O

28

27 

30 

38 

38

33 

33 

34 

37 

42

48 

54

51 

56 

58

65 

66 

64 

58 

57

64 

75 

77 

72 

64

July

57 

57 

57 

59

63

61 

59

62 

63 

65

74 

72 

80 

74

67

63 

72 

70 

72 

72

76 

78 

75 

73

72 

72 

76 

76 

76 

78

Minimum

32 

22 

18

8.5

15 

14 

13 

18 

19 

27 

57 

59 

44

13

Aug.

80 

78

75 

71 

77

84 

90 

76 

71 

66

64

6;

64 

69

72

74 

65 

64

66 

82

84 

85 

87

83 

81

80 

80 

79 

67 

62 

59

Mean

37.3 

27.0 

22.1

30.2

17.8 

17.3 

23.9 

23.5 

26.2 

48.1 

69.1 

74.1 

59.7

37.3

Sept.

59 

57 

62 

59

61

61 

62 

66 

67 

65

65

62 

62 

64

66

93 

80 

76

73 

55

52

51 

45 

44

44

45 

47 

46 

51 

52

Runoff In 

acre-feet

2,290 

1,600 

1,360

21,860

1,100 

962 

1,470 

1,400 

1,610 

2,860 

4,250 

4,560 

3,550

27,010

a No gage-height record ; discharge computed on basis of records for Flint Creelt at Maxville
PEND OREILLE RIVER BASIN 233 

Boulder Creek at Maxville. Mont.

Location.- Water-stage recorder, lat. 46°28'30", long. 113°14'00", in SE^ sec. 4, T. 8 N., 

H. 13 W., an eighth of a mile upstream from mouth and three-quarters of a mile north of 

Maxvllle.

Drainage area.- 71.3 square miles.

Records available.- April 1939 to September 1947.

Extremes.- Maximum discharge during year, 440 second-feet May 9 (gage height, 3.42 feet); 

minimum, 10 second-feet Sept. 7 (gage height, 1.16 feet).

1939-47: Maximum discharge, 650 second-feet May 26, 1942 (gage height, 4.04 feet); 

minimum, 4.6 second-feet Dec. 26, 1942; minimum gage height, 0.92 foot Aug. 26, Sept. 

15, 16, 1946.

Remarks.- Records good except those for periods of ice effect or no gage-height record, 

which are poor. Several diversions above station for irrigation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

Z 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29

30 

31

Oct.

25 

58 

48 

42

39

38

3fi 

35 

34 

33

32 

32 

31 

31 

29

26 

28 

28 

28 

23

30 

33 

38 

h35

40

50 

45 

h44 

43 

42 

40

Nov.

39 

36 

33 

33 

34

33 

33 

32 

32 

31

h30 

28 

29 

26 

26

26 

26 

26 

26 

b22

b20 

b28 

31 

29 

28

26 

24 

24 

24 

23

Dec.

b23 

23 

22 

24 

24

25 

24 

24 

24 

24

26 

25 

26 

26

26 

b£2 

b23 

b24 

b24

26 

24 

24

23 

23

24 

22

b21

b20 

b20 

b21

Jan.

b20 

20 

20 

21 

22

22 

b23 

*b24 

b24 

b25

b24 

b23 

b23 

b22 

b20

blB 

b!9

b20 

21 

24

27 

26 

27 

27 

26

26 

b25 

b22 

b22 

b22 

b22

Feb.

b23 

b24 

24

*b26 

27

25 

24

23 

22 

21

20 

23 

28 

32

27

d26 

27 

23 

21 

20

18 

19

d20 

21 

18

16 

15 

18

Month

Goto 

Nove 

Deoe

Ca

Janu 

Febr 

Hat-o 

Apr-1

June 

July 

Augu 

Sept

Wa

lendar year 1946

te'r year 1946-47 .......................

Mar.

17 

b!7 

b!6 

b!6 

b!5

bl5 

*b!6 

18 

18

19

19 

19

19 

20 

22

23 

24 

22 

22 

22

22 

22

20 

20 

19

19 

19 

19 

19 

20 

20

Apr.

21 

20 

21 

20 

20

20 

20

20 

20 

20

19 

19 

19 

22 

25

25 

25 

32

29 

30

32

30 

27 

26 

26

29 

36 

48 

63 

64

Secondfoot -days

1,121 

858 

735

13,573.3

707 

631 

598 

828 

5,648 

5,706 

1,577 

581 

613

19,603

May

59 

84 

160 

229 

280

290 

322 

383 

383 

284

221 

192 

188 

176 

158

156 

152 

148 

144 

142

146 

144

130 

126 

138

152 

165 

138 

121

107 

130

Maximum

58

39 

28

208

27 

32 

24 

64 

383 

316 

88 

32 

36

383

June

165 

174 

195 

188

171

163 

154

150 

271 

277

238 

210 

216 

252 

210

200 

290 

316 

258 

224

202 

174 

150 

136 

126

125 

138 

123 

112 

98

July

88 

82

79 

75 

71

66

63 

63 

59 

58

60 

59 

54 

49 

46

44 

43 

42 

40 

38

38 

38 

47

40 

37

36 

36 

34 

31 

30 

31

Minimum

25 

20 

20

5.2

18 

15 

15 

19 

59 

98 

30 

11 

11

11

Aug.

32 

31 

29

28

24 

24 

22 

22 

21

20 

24 

24 

19 

16

16 

15 

14 

14 

14

15 

15 

15 

14 

13

13 

13 

12 

12 

11 

11

Mean

36.2 

28.6 

23.7

37.2

22.8 

22.5 

19.3

27.6 

182 

190 

50.9 

18.7 

20.4

53.7

Sept,

11 

11 

13 

12 

11

11 

11 

13 

12 

14

14 

12 

12 

16 

17

36 

36 

34

31 

30

32 

31 

24 

22 

20

22 

26 

24 

23

32

Runoff In 

acre-feet

2,220 

1,700 

1,460

26,920

1,400 

1,250 

1,190 

1,640 

11,20O 

11,320 

3,130 

1,150 

1,220

38,880

* Winter- discharge measurement made on this

b Stage-discharge relation affected by Ice.

d Doubtful gage-height record; discharg 

Creek at Maxville.

h Computed from staff-gage reading.

Note.- No gage-height record Oct. 21-23, 25-27, Oct 5-15, 17-22. Feb. 24 to Mar. 1, / " ""- "----- 

ords for Flint Creek at Maxvllle.

omputed on basis of weather and records for Flint

uui-u ucu. c.i-c.3, m-zi, uuu. t.9 to Nov. 10, Nov. 12-18, Jar. 2-6, Feb. 3, 

r. 1, Apr. 2-20- discharge computed on basis of weather records and rec-
234 FEND OREILLE RIVER BASIN

Middle Fork Rock Creek near Philipsburg, Mont.

Location.- Staff gage, lat. 46°11', long. 113 C 30', in NE£ sec. 17, T. 5 N., R. 15 W., 

naif a mile upstream from East Fork, 2^ miles upstream from West Fork, and 15 miles 

southwest of Philipsburg.

Drainage area.- 123 square miles.

Records available.- September 1937 to September 1947.

Extremes.- Maximum discharge observed during year, 1,230 second-feet May 9 (gage height, 

3.60 feet), from rating curve extended above 600 second-feet on basis of logarithmic 

plotting and slope-area determination; minimum observed, 9.8 second-feet Feb. 26 (gage 

height, 0.26 foot).

1937-47: Maximum discharge observed, that of May 9, 1947; minimum discharge observed, 4.5 second-feet Dec. 9, 10, 23, 24, 1944 (gage height, 0.02 foot).

Remarks.- Records fair. Gage read twice daily. A few small diversions above station for 

irrigation.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

Z 

3 

4 

5

6 

7 

8 

9 

10

11 

13 

13 

14 

15

16 

17 

18 

19 

20

31 

22 

23 

34 

25

26 

27 

28 

29 

30 

31

Oct.

134 

301 

210 

336 

226

226 

226 

226 

226 

226

326 

226 

226 

226 

236

310 

307 

310 

301 

207

310 

226 

226 

310 

196

190 

165 

136 

134 

133 

129

Nov.

129 

136 

134 

132 

149

118 

116 

109 

109 

109

107 

70 

73 

78 

103

80 

103 

132 

120 

105

105 

103 

101 

95 

91

89 

87 

87 

85 

73

Dec.

80 

82 

84 

82 

78

73 

73 

67 

68 

70

73 

72 

77 

78 

85

62 

26 

27 

51 

63

77 

77 

77 

60 

41

66 

66 

33 

28 

45 

47

Jan.

41 

28 

28 

37 

36

36 

52 

31 

60 

56

61 

66 

51 

40 

44

42 

39 

51 

51 

54

54 

56 

56 

54 

51

45 

44 

44 

42 

44 

51

Feb.

56 

d60 

d60 

d65 

d6S

d60 

d40 

d40 

39 

38

56 

94 

97 

79 

79

75 

71 

59 

54 

44

44 

44 

44 

44 

44

16 

16 

22

Month

Goto 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl 

May.

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

20 

22 

23 

38 

34

44 

43 

42 

43 

44

44 

46 

46 

52 

63

79 

90 

97 

88 

90

90 

79 

71 

67 

69

59 

53 

54 

54 

54 

52

Apr.

63 

71 

71 

71 

67

67 

67 

65 

69 

69

67 

69 

81 

92 

99

99 

113 

115 

118 

133

123 

120 

141 

138 

128

138 

141 

154 

206 

368

Secondfoot-days

6,246 

3,123 

1,986

43,162

1,445 

1,505 

1,749 

3,223 

30,150 

14,139 

5,582 

2,323 

1,959

63,429

May

285 

285 

302 

416 

810

865

925 

1,100 

1,160 

1,040

1,040 

755 

755 

700 

650

575 

550 

550 

550 

S26

526 

503 

503 

503 

526

600 

700 

635 

600 

600 

625

Maximum

236

149 

85

430

66 

97 

97 

268 

1,160 

755 

368 

99 

81

1,160

June

700 

650 

650 

575 

550

550 

550 

575 

755 

700

625 

480 

437 

416 

416

416 

437 

437 

416 

416

396 

376 

357 

338 

338

338 

320 

338 

302 

285

Minimum

July

129 

70 

26

13

28 

16 

20 

63 

285 

285 

101 

56 

56

16

268 

252 

236 

336 

321

221 

236 

221 

221 

221

221 

206 

206 

192 

178

178 

173 

167 

167 

162

159 

156 

154 

141 

138

120 

120 

113 

106 

101 

101

Aug.

99 

99 

99 

97 

97

97 

92

90 

88 

88

79 

77 

75 

71 

71

71 

69 

67 

67 

67

67 

63 

63 

59 

59

59 

59 

59 

59 

59 

56

Mean

201 

104 

64.1

118

46.6 

53.8 

56.4 

107 

650 

471 

180 

74.9 

65.3

174

Sept.

56 

56 

59 

59 

56

' 56 

56 

67 

71 

71

67 

63 

61 

61 

63

67 

75 

79 

81 

81

79 

71 

67 

61 

61

57 

57 

57 

69 

75

Runoff In 

acre-feet

12,390 

6,190 

3,940

85,620

2,870 

2,990 

3,470 

6,390 

39,970 

28,040 

11,070 

4,610 

3,890

125,800

d Doubtful gage-height record; discharge computed on basis of 1 discharge measurement and weather 

records.
PEND OREILLE RIVER BASIN 235

Blackfoot River near Helmvllle, Mont.

Location.- Water-stage recorder, lat. 46°56', long. 112°57', In NW^SWij sec. 25, T. 14 N., 

H. 11 W., 2.miles downstream from Arrastre Creek and 5 miles northeast of Helmvllle. 

Datum of gage is 4,301.29 feet above mean sea level, datum of 1929 (levels by Corps 

of Engineers).

Drainage area.- 481 square miles.

Records available.- September 1940 to September 1947.

Extremes.- Maximum discharge during year, 2,800 second-feet May 10 (gage height, 6.95 

feet); minimum daily, 130 second-feet .Tan. 13-17.

1940-47: Maximum discharge, 3,080 second-feet June 15, 1943 (gage height, 7.33 

feet); minimum, 66 second-feet Jan. 15, 1943; minimum gage height, 1.04 feet Nov. 9, 

1945, caused by ice jam upstream.

Remarks.- Records good except those for periods of ice effect or no gage-height record, 

which are poor. Several small diversions above station for irrigation. Plow includes 

natural overflow channel on left bank, but does not include unnamed diversions past 

station. This diversion was measured or estimated as 5 second-feet Apr. 27, 12 secondfeet July 25.

Rating table, water'year 1946-47, except periods of ioe effect

Tgage height, in feet, and discharge, in second-feet)

Tshifting-control method used Dec. 10-15, 20-27)

1.3 126 3.5 795 

1.5 158 4.0 1,030 

1.8 221 5.0 1,560 

2.3 356 6.0 2,150 

3.O 590 7.O 2,8OO

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

163

207 

207 

183 

173

171 

168 

168 

169 

169

168 

168 

166 

164 

164

162 

162 

160 

160 

160

164 

168 

173 

173 

200

280 

228 

225

220 

210 

210

Nov.

200 

200 

190 

185 

185

185 

190 

190 

185 

180

175 

175 

175 

170 

170

170 

170 

175 

175 

150

140 

170 

165 

165 

165

165 

165 

165 

160 

160

Dec.

160 

160 

160 

155 

155

155 

155 

155 

155 

 156

177 

205 

192 

198 

236

205 

175 

180 

185 

190

185 

181 

175 

171 

168

168 

150 

140 

140 

145 

145

Jan.

145 

140 

135 

135 

135

135 

135 

135 

140 

140

140 

135 

130 

130 

130

130 

130 

135 

135 

135

140 

145 

145 

145 

145

145 

140 

135 

 137 

140 

140

Feb.

145 

145 

140 

145 

155

155 

150 

150 

ISO 

155

165 

175 

180 

185 

190

195 

195 

196 

190 

183

181 

175 

177 

188 

183

160 

150 

145

Month

Octo 

Hove 

Dece

.Ca

Janu 

Febr 

Marc 

Aprl 

Mnv

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

150 

150 

155 

150 

150

*150 

150 

150 

156 

155

156 

156 

155 

153

160

226 

251 

288 

309 

298

288 

304 

282 

2^9 

238

234 

231 

236 

249 

277 

309

Apr.

326 

344 

359 

350 

332

318 

312 

309 

312 

315

318 

312 

326 

362 

418

501 

518 

536 

572 

628

689 

710 

668 

628 

S09

59O 

628 

774 

1,030 

1,280

Secondfoot-days

5,662 

5,215 

5,277

104, 40a

4,262 

4,703 

6,575 

15,374 

53,630 

37,620 

15,442 

7,735 

5,691

167,186

May

1,340 

1,260 

1,440 

2,030 

2,340

2,540 

2,410 

2,410 

2,540 

2,740

2,600 

2,340 

2,090 

1,970 

1,790

1,670 

1,560 

1,500 

1,440 

1,390

1,390 

1,440 

1,340 

1,260 

1,200

1,260 

1,360 

1,360 

1,260 

1,180 

1,180

Maximum

280 

200 

236

1,670

140 

196 

309 

1,280 

2,740 

1,910 

710 

312 

231

2,740

June

1,280 

1,360 

1,360 

1,310 

1,230

1,200 

1,200 

1,200 

1,500 

1,910

1,790 

1,610 

1,500 

1,560 

1,440

1,340 

1,360 

1,340 

1,310 

1,280

1,200 

1,100 

1,060 

980 

930

930 

908 

862 B^B 

752

July

710 

689 

668 

668 

648

628 

609 

609 

609 

590

590 

590 

554 

518 

501

484 

467 

450 

434 

418

402 

405 

402 

392 

383

371 

356 

341 

326 

318 

312

Aug.

312 

306 

295 

293 

290

285 

275 

267 

259 

254

251

256 

275 

264 

251

241 

234 

228 

221 

221

246 

246 

246 

238 

228

221 

216 

210 

203 

203 

200

Minimum Mean

160 183 

140 174 

140 170

117 286

130 137 

140 168 

150 212 

309 512 

1,180 1,730 

752 1,254 

312 498 

200 250 

173 190

130 458,

Sept.

198 

194 

194 

190 

188

183 

183 

188 

188 

183

183 

181 

175 

173 

179

231 

219 

207 

205 

198

194 

190 

188 

184 

186

185 

183 

183 

179 

179

Runoff In 

acre-feet

11,230 

10,340 

10,470

207,100

8,450 

9,330 

13,040 

30,490 

106,400 

74,620 

30,630 

15,340 

11,290

331,600

* Winter discharge measurement made on this day.

Note.- Ho gage-height record Oct. 28 to Dec. 9; discharge computed on basia of weather records and 

records for Blackfoot River near Orando. Stage-discharge relation affected by ice Des. 16-19, Dec. 28 

to Feb. 17, Feb. 26 to Mar. 8.
236 FEND OREILLE RIVER BASIN

Blackfoot River near Ovando, Mont.

Location.- Water-stage recorder, lat. 47°01 1 , long. 113°07 1 , In SE^-NW^ seq,. 34, T. 15 N. , 

FT13 W., a quarter of a mile upstream from Monture Creek and 5 miles west of Ovandr. 

Datum of gage Is 3,917.27 feet above mean sea level, datum of 1929 (Corps of Engineers 

bench mark).

Drainage area.- 1,280 square miles.

Records available.- September 1940 to September 1947.

Extremes.- Maximum discharge during year, 6,950 second-feet May 9 (gage height, 6.19 feet); 

minimum, 178 second-feet Nov. 20 (gage height, 1.59 feet).

1940-47: Maximum discharge, 6,950 second-feet June 20, 1943, May 9, 1947; maximum 

gage height, 6.26 feet June 20, 1943; minimum discharge, 149 second-feet Feb. 17, 1942; 

minimum gage height, 1.40 feet Mar. 5, 1945 (backwater from ice). 

Floodmarks indicate stage of 10 feet reached in recent years.

Remarks.- Records good except those for periods of ice effect or no gage-height record, 

which are poor.

Rating table, water year 1946-47, except periods of ice effect

(gage height, in feet and discharge, in second-feet)

(Shifting-control method used Mar. 6 to Apr. 23)

2.0 270 2.8 730 4.2 2,510 

2.2 348 3.2 1,110 5.O 4,100 

2.5 513 3.6 1,590 6.2 6,950

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

388 

483 

526 

483 

448

437 

431 

420 

420 

420

420 

420 

414 

409 

409

404 

404 

404 

404 

398

404 

426 

437 

448

580

883 

766 

636 

601 

594 

567

Nov.

560 

547 

520

507 

501

507

520 

520 

507 

501

495 

471 

459 

448 

459

453 

437 

459

513

280

331 

47O 

580 

567 

495

477 

471 

471 

471 

453

Dee.

471 

442 

437 

442 

431

442 

437 

420 

431 

 431

489 

560 

580 

567 

698

550 

530 

540 

560 

573

540 

533 

495 

477 

495

501 

453 

288 

339 

38C 

370

Jan.

350 

350 

345 

345 

350

345 

350 

355

360

360

350 

340 

330

330 

33-0

360 

365 

370 

375 

380

380 

380 

380 

380 

380

380 

370 

360 

 345 

345 

340

Feb.

360 

365 

355

365 

370

370 

360 

348 

348

363

393 

393 

398 

398

410

420 

430 

430 

420 

400

405 

410 

410 

410 

380

320 

325 

330

Month

Ooto 

Hove 

Deoe

Ca

Janu 

Febr 

Marc 

Apri

June 

July 

Augu 

Sept

Wa

Lendar year 1946

ter year 1946-47 .......................

Mar.

330 

330 

340

330

330

331 

335 

326 

331 

344

358 

383 

431 

407 

748

1,210 

1,380 

1,280 

1,240 

1,090

970 

980 

960 

910 

775

682 

643 

636 

682 

766 

838

Apr.

1, 

1, 

1, 

1, 

1,

1, 

1,

1, 

1, 

1,

1, 

1, 

1, 

2, 

2,

Secondfoot -days

14,884 

14,450 

14,902

266,507

11,080 

10,686 

20,796 

36,177 

131,500 

100,220 

37,773 

19,124 

" 14,407

425.999

847 

874

883 

856 

820

793

766 

766 

766 

766

775 

766 

784 

865 

970

050 

120

230 

300 

40O

470 

520 

470 

450 

400

390 

540 

960 

600 

980

May

2,880 

2,980 

3,990 

4,880 

5,710

5,830 

5,950 

5,950 

6,700 

6,450

6,200 

5,590 

5,120 

4,770 

4,320

4,100 

3,780 

3,570 

3,470

3,370

3,570 

3,470 

3,270 

3,070 

3,070

3,270 

3,570 

3,470 

3,170 

2,980 

2,980

Maximum

883 

580 

698

4,000

380 

430 

1,380 

2,980 

6,700 

5,230 

1,790 

766 

573

6.700

June

3,570 

3,670 

3,570 

3,470 

3,270

3,270 

3,270 

3,170 

4,210 

5,230

=5,000 

4,430 

4,100 

4,100 

3,780

3,570 

3,570 

3,570 

3,570 

3,370

3,070 

2,780 

2,600 

2,510 

2,420

2,420 

2,340 

2,260 

2,100 

1,960

July

1,790 

1,720 

1,700 

1,670 

1,620

1,550 

1,510 

1,500 

1,470 

1,420

1,400 

1,410 

1,340 

1,270 

1,210

1,150 

1,32 

1,080 

1,050 

1,020

E80 

S60 

S80 

S50 

920

892 

874 

838 

811 

793 

775

Aug.

766 

757 

739 

722 

714

706 

690 

666 

658 

643

622 

622 

636 

629

608

587 

580 

567 

560 

553

580 

615 

615 

594 

573

553 

540 

526 

507 

501 

495

Minimum Mean

388 480 

280 482 

288 481

270 730

330 357 

320 382 

326 671 

766 1,206 

2,880 4,242 

1,960 3,340 

775 1,218 

495 617 

437 480

280 1.167

Sept.

489 

483 

471 

471 

465

459 

453 

453 

459 

465

459 

453 

442 

437 

442

547 

573 

547 

526 

513

501 

495 

489 

483 

477

471 

483 

471 

465 

465

Runoff In 

acre-feet

29,520 

28,660 

29,560

528,600

21,980 

21,200 

41,250 

71,760 

260,800 

198,800 

74,920 

37 , 930 

28,580

845.000

* Winter discharge measurement made on this day.

Mote.- Stage-discharge relation affected by ice No". 22, 23, Dec. 16-19, Dec. 30 to Feb. 7. No 

gage-height record Feb. 15 to Mar. 5; discharge computed on basis of weather records and records for 

Blackfoot River near Helmville.
PEND OREILLE RIVER BASIN 237 

Blackfoot River near Bonner, Mont.

Location.- Staff gage, lat. 46°54', long. 113°47', in SW£sw£ sec. 8, T. 13 N., R. 17 W., 

4 miles northeast of Bonner, 6 miles downstream from Union Creek, and 6 miles upstream 

from mouth.

Drainage area.- 2,280 square miles.

Records available.- October 1939 to September 1947. July 1898 to October 1905 at mouth, 

Halt' a mile west of Bonner, records not equivalent.

Extremes.- Maximum discharge observed during year, 12,800 second-feet May 9 (gage height, 

9.89 feet); minimum observed, 560 second-feet Nov. 20.

1939-47: Maximum discharge observed, that of May 9, 1947; minimum daily discharge, 

220 second-feet Jan. 19, 1940; minimum gage height observed, 0.47 foot Dec. 12, 1940.

Remarks.- Records good except those for periods of ice effect, which are poo". Gage read 

once daily. Many diversions above station for irrigation.

Rating table, water year 1946-47, except periods of Ice effect 

(gage height, in feet, and discharge, in second-feet)

1.2 510 3.3 1,940 7.0 6.88O 

1.5 666 4.0 E.670 8.0 8,660 

2.0 955 5.0 3,890 9.O 10,7OO 

2.6 1,340 6.0 5,310 10. O 13,OOO

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4

5

6 

7

e

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

26 

29 

30 

31

Oct.

560

77.8 

750 

721 

666

639

612 

612 

586 

560

560 

560 

560 

560 

560

560 

586 

586 

586 

586

612 

639 

639 

666

778

1,200 

1,280 

1,280 

1,140 

1,140 

1,080

Nov.

1,080 

1,020 

955 

895 

836

836 

836 

836 

836

836

836 

778 

750 

750 

721

721 

694 

721 

666 

560

586 

639 

721 

895 

895

836

836 

778

778 

778

Dec.

778 

750 

750 

778 

750

750 

750

778 

778 

836

836 

955 

1,080 

1,340 

1,850

,760 

,670 

,500 

,340 

,140

,080 

,020 

955 

955 

955

850 

750 

675 

612 

639 

650

Jan.

650 

600 

6OO 

600 

625

700 

800 

825 

825 

825

 810 

800 

775 

700 

725

725 

725 

750 

750 

750

775 

800 

836 

836

836

778 

721 

639 

625 

625 

S25

Feb.

650 

675 

675 

675 

650

(TOO

586 

586 

575 

 575

575 

600 

650 

675 '00

725 

750 

700 

650 

586

560 

586 

955 

1,200 

1,080

900 

8OO 

775

Month

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl

June 

July 

Augu 

Sept

Wa

lendar year 1946 

ary

ter year 1946-47 .......................

Mar.

775 

775 

778 

778 

778

778 

750 

721 

721 

721

750 

778 

778 

955 

1,200

1,260 

2,340 

2,240 

2,140 

2,040

2,040 

2,040 

2,040 

2,040 

1,850

1,760 

1,850 

1,850 

1,940 

2,040 

2,040

Apr.

2, 

2, 

2, 

2, 

2,

2, 

2, 

2,

2,

2! 

2, 

2,

3J 

3, 

3, 

3,

3, 

3, 

3, 

3, 

3,

3, 

3, 

3, 

4, 

5,

Secondfoot-days

22,642 

23,905

30,310

525,874

22,731 

19,714 

43,546 

87,360 

245,130 

163,190 

57,840 

29,239 

22,443

768,050

140 

140 

040 

040 

040

040 

040 

040 

140 

140

24O 

340 

450 

560

670

890 

010 

130 

370 

370

760 

 ?60 

760 

630 

370

370 

500 

630 

440

310

May

6,400 

7,040 

7,720 

9,270 

10,500

11,000 

10,700 

11,200 

12,800 

12,100

11,200 

9,900 

9.27Q 

8,460 

7,720

7,210 

6,880 

6,560 

6,240 

6,240

3,240 

6,240 

6,240 

6,080 

5,920

5,920 

5,920 

6,080 

6,080 

6,080 

5,920

Maximum

1,280 

1,080 

1,850

6,540

836 

1,200 

2,340 

5,310 

12,800 

7,900 

3,010 

1,140 

836

12,800

June

5,920 

5,920 

5,760 

5,610 

5,760

5,760 

5,760 

5,760 

6,560 

7,900

7,550 

6,88O 

6,560 

6,400 

6,240

6,080 

5,920 

5,610 

5,460 

5,160

5,010 

4,720 

4,440 

4,O2O 

3,890

3,890 

3,890 

3,760 

3,630 

3,370

July

3,010 

2,890 

2,670 

2,670 

2,560

2,450 

2,450 

2,450 

2,340 

2,340

2,240 

,2,140 

2,040 

1,940

1,850

1,760 

1,670 

1,670 

1,580 

1,500

1,420 

1,420 

1,280 

1,280 

1,200

1,200 

1,200 

1,200 

1,140 

1,140 

1,140

Aug.

1,140 

1,140 

1,080 

1,080 

1,020

1,020 

1,020 

1,020 

955 

955

955 

955 

1,020 

955 

895

895 

895 

895 

895 

895

895 

955 

955 

895 

895

895 

836 

836 

778 

836 

778

Minimum Mean

560 730 

560 797 

612 978

480 1,441

600 733 

560 704 

721 1,405 

2,040 2,912 

5,920 7,907 

3,370 5,440 

1,140 1,866 

778 943 

666 748

560 2,104

Sept.

778 

778 

836 

778 

750

721 

721 

721 

721 

721

721 

666 

694 

694 

694

694 

721 

750 

836

836

836 

778 

778 

778 

750

750 

750 

75O 

721 

721

Runoff in 

acre-feet

44,910 

47,41O 

60,120

1,043,000

45,090 

39,100 

86,370 

173,300 

486,200 

323.7OO 

114,700 

57,990 

44,520

1,523,000

* Winter discharge measurement made on this day. 

Note.- Stage-discharge relation affected by ice Dec. 26-28, Dec. 31 to Jan. 22, Jan. 29 to Feb. 6, 

Feb. 9-19, Feb. 26 to Mar. 2.
238 FEND OREILLE RIVER BASIN

Nevada Creek above reservoir, near Finn, Mont.

Location.- Water-stage recorder, lat. 46°47', long. 112°46', in SW£ sec. 20, T. 12 N., 

FT9 W., 2 miles upstream from Buffalo Creek and 3 miles west of Finn.

Drainage area.- 128 square miles.

Records available.- April 1939 to September 1947. May 1934 to February 1939 at site 3 

miles downstream.

Extremes - Maximum discharge during year, 373 second-feet June 9; maxinurn gage height, 

6.09 feet Mar. 18 (ice jam); minimum discharge not determined, probably occurred during 

period of ice effect.

1939-47: Maximum discharge, 1,170 second-feet Apr. 2, 1943, from rating curve extended above 300 second-feet by logarithmic plotting; maximum gage .height, that of 

Mar. 18, 1947; minimum discharge, probably less than 2 second-feet at times in January 

and February 1944.

Remarks.- Records good except those for period of ice effect, which-are poor. Several 

small diversions above station for irrigation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2

3 

4 

5

6 

7 

8

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

2B 

29 

30 

31

Oct.

6.4 

25 

17 

15 

14

12 

12 

13 

13 

14

14 

13 

13 

13 

12

12 

11 

11 

11 

12

13 

15

21 

17 

25

31 

23 

21 

22 

20 

19

Nov.

18 

17 

21 

19 

19

17 

17 

16 

16 

15

15 

17 

15 

13 

16

13 

15 

20 

16 

16

12 

14 

14 

14 

14

13 

13 

13

11 

10

Dec.

7

Jan.

5

Feb.

(") 

 5

Month

Oeto 

Hove 

Deoe

Ca

Janu 

Febr 

Marc 

Apr!

June 

July 

Augu 

Sept

Wa

lendar year 1946

1..... ..................................

ter year 1946-47 .......................

Mar.

4 

4 

5

4 

4

5 

5 

6 

8 

10

12 

14 

16 

18 

20

21 

23 

25

28 

29

30 

32 

34 

36 

38

42 

45 

45 

62 

87 

76

Apr.

65 

66 

49 

41 

35

32

33 

34 

37 

37

36 

34 

42 

55 

64

61 

61 

66 

72 

85

87 

82 

72 

70 

64

59 

67 

100 

145 

16S

Secondfoot -day s

492.4 

459 

217

11,527.9

155 

140 

788 

1,919 

4,861 

3,071 

660 

449 

403.5

13,614.9

nay

153 

137 

204 

308 

343

337 

302 

296 

320 

298

241

196 

17O 

153

135

122 

112 

109 

112 

100

89 

85

73 

65 

60

59

62 

59 

54 

48 

57

Maximum

31 

21

463

67 

168 

343 

265 

34 

19 

30

343

June

64 

63 

57 

53 

46

44 

40 

62 

228 

265

219 

206 

206 

210 

157

132 

174 

110 

86 

79

72 

67 

66 

61 

51

50

53 

45 

42 

39

July

34 

31 

30 

28 

26

24 

24 

24 

26 

26

32 

30 

24 

22 

21

18 

18 

16 

16 

15

14 

16 

16 

16 

18

16 

16 

16 

16 

15 

16

Minimum

6.4 

10

4

4 

32 

48 

39 

14 

12 

9.5

-

Aug.

16 

16 

15 

15 

14

14 

14 

12 

12 

12

13 

17 

19 

17 

15

15 

15 

14 

14 

15

16 

16 

16 

16 

15

14 

13 

13 

12 

12 

12

Mean

15.9 

15.3 

7

31.6

5 

5 

25.4

64.0 

157 

102 

21.3 

14.5 

13.4

37.3

Sept.

12 

11 

13 

12 

11

9.5 

10 

12 

12 

12

12

11 

11 

11 

12

30 

20 

17 

16 

15

15 

14 

14

12 

12

13 

13 

13 

14 

14

Runoff In 

acre-feet

977 

91O 

430

22,870

307 

276 

1,560 

3,810 

9,640 

6,090 

1,310 

891 

800

27,000

* Winter discharge measurement made on this day.

Note.- Stage-discharge relation affected by ice Nov. 20 to Mar. 26.
PEND OREILLE RIVER BASIN 2

Nevada Creek near Helmville, Mont.

Location.- Wire-weight gage, lat. 46°49' . long. 112°52', in SW£ sec. 4, T. 12 N., R. 10

W., a miles below Nevada Creek Reservoir and 6 miles southeast of Helmville. 

Drainage area.- 165 square miles.

Records available.- May 1946 to September 1947 (irrigation seasons only). 

Extremes (regulated).- 1946: Maximum discharge observed during period May to September,

J.3Y second-i'eet May 1-18; maximum gage height observed, 3.78 feet May 1-10; minimum

discharge observed, 3.6 second-feet Aug. 16-24.

1947: Maximum discharge observed during period May to September, 256 second-feet

June 14 (gage height, 4.16 feet); minimum observed, 2V second-feet/Aug. 26 to Sept. 2. 

Remarks.- Records good in 1947, fair in 1946. Gage read once daily during irrigation

season. Plow regulated by Nevada Creek Reservoir (see p. 337). Several diversions

above station for irrigation.

Discharge, in second-feet, 1946-47

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

1946

Hay

137

137

137

137

137

137

137

137

137

137

137

137

137

137

137

137

137

137

79

79

79

79

78

78

78

79

81

81

81

8O

81

June

81

81

81

81

49

49

49

49

49

49

49

49

49

49

49

49

49

49

49

49

49

49

49

44

40

40

40

40

40

40

July

2O

2O

2O

20

20

20

20

20

19

18

18

18

18

18

18

18

18

18

18

18

18

18

18

17

17

17

17

17

13

8.5

8.5

Aug.

8.5

8.5

8.5

8.5

8.5

9.6

9.6

9.6

9.6

9.6

9.6

9.6

9.6

9.6

9.6

3.6

3.6

3.6

3.6

3.6

3.6

3.6

3.6

3.6

d!4

d!4

d!4

d!4

d!5

d!5

d!5

Sept.

d!9

d!9

d21

d21

19

d!9

d!9

19

20

20

20

20

22

22

22

22

22

22

22

25

25

25

25

25

25

20

2O

20

a2O

a20

-

1947

Hay

.

-

_

_

-

_

-

_

-

-

_

_

_

229

203

194

178

a!74

169

169

153

137

130

130

130

137

137

130

130

122

114

June

allO

107

107

107

107

1O7

107

107

137

186

145

137

229

256

194

186

203

186

145

122

114

alls

122

122

122

114

114

114

56

56

-

July

56

49

53

a50

47

47

49

58

66

64

68

64

62

62

62

54

58

60

6O

a68

75

34

39

39

37

37

37

37

37

37

37

Aug.

36

36

a36

36

36

36

36

34

34

34

33

29

29

29

29

34

a34

34

34

34

40

36

34

a33

32

27

27

27

27

27

27

Sept.

27

27

34

32

32

32

a32

3232'

32

32

32

32

a34

37

40

40

4O

4O

40

a4O

40

39

36

36

36

36

a36

36

37

-

a Ho gage-height record; discharge estimated, or interpolated.

d Doubtful gage-height record; discharge computed on assumption gage was read 1 foot low. 

Hote.- A discharge of 40 second-feet was measured on Apr. 9, 1946.

Monthly discharge, In second-feet, 1946-47

Month

May 1946

July...... .................................

September ..................................

The period. ........ ......................

May 14-31, 1947.. ........................... 

June. ...................

July. ......................... .

September. .............. .

The period. ........

Seoondfoot-days

3,499

1,539

546.0

271.9

640

-

2,766

-

Maximum

137

81

20

15

25

-

229

-

Minimum

78

40

8.5

3.6

19

-

114

-

Mean

113 '

51.3

17.6

21.3

-

154

-

Runoff in

acre-feet

6,940

12,880

5,490

20,760
240 FEND O'REII.LE RIVER BASIN

Douglas Creek near Helmville, Mont.

Location.- Staff gage, lat. 46°49', long. 113°01', in NW£ sec . 5, T. 12 N., R 11 W., at 

coupty road bridge on Helmville-Drummond road 4 miles southwest of Helmville.

Records available.- April 1946 to September 1947 (fragmentary).

Extremes.- 1946: Maximum discharge observed during period April to September, 22 seeondreet Apr. 18-20; maximum gage height observed, 1.96 feet Apr. 19; minimum discharge 

observed, 1.2 second-feet Sept. 5 (discharge measurement).

1947: Maximum discharge observed during period May to September, 73 seoond-feet 

June 10 (gage height, 5.03 feet); minimum observed, 2.9 second-feet Aug. 13 (gage 

height, 0.77 foot).

Remarks.- Records fair in 1947, poor in 1946. Gage read once daily. 

above station for irrigation.

Discharge, In second-feet, 1946^-47

everal diversions

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

1946

Apr.

.

-

-

-

15

15

316

16

16

16

16

17

17

317

18

18

20

22

22

22

20

18

18

18

17

16

16

al6

15

14

May

13

11

11

11

all

11

11

13

13

11

11

all

10

8.8

8.3

8.3

8.0

7.8

a7.5

7.2

13

7.2

7.0

7.0

7.2

a7.0

7.0

7.0

7.0

7.2

7.2

June

7.0

37.0

7.0

7.0

6.7

6.5

6.2

5.9

35.9

5.9

5.7

5.7

6.2

5.9

5.7

as. 5

5.4

4.9

4.9

4.7

4.7

4.7

38

11

7.0

6.7

4.9

4.9

4.9

34.9

1947

Msy

.

-

_

-

-

_

-

_

-

-

_

_

_

33

28

26

26

26

26

25

24

22

20

18

a!8

18

18

16

16

16

16

June

20

19

20

24

20

19

18

19

51

73

51

45

38

38

33

28

33

30

25

24

24

322

20

18

15

15

19

18

16

16

-

July

14

13

11

310

9.5

8.9

10

11

12

11

11

15

11

9.5

9.5

9.5

8.9

8.3

8.3

a8.3

8.3

8.9

8.9

9.5

8.9

8.9

7.7

7.7

7.7

7.3

7.7

Aug.

7.5

7.5

37.6

7.7

7.7

7.7

7.7

7.7

5.1

34.8

4.6

3.8

2.9

3.0

3.0

3.2

33.2

3.2

3.0

3.0

15

14

13

11

7.7

6.7

5.5

5.5

5.3

5.3

35.3

Se~>t.

5.3

5.5

6.3

6.5

6.5

6.5

37.1

7.7

7.7

7.7

7.5

7.2

7.2

310

13

13

14

14

14

13

al3

13

13

ir

11

11

1C

1C

e.s

£.5

-

a o gage-eg recor; scarge nerpolae.

Note.- Discharge measurements were made in other months as follows: July 29, 1946, 2.0 secon 

feet; Sept. 5, 1946, 1.2 second-feet; Feb. 4, 1947, 7.2 second-feet; Apr. 27, IE'47, 42 secondfeet.

Monthly discharge, in second-feet, 1946-47

Month

May. .......................................

September. .................................

The period. ..............................

July....... ................................

September. .......................... .^. .....

The period. ..............................

Secondfoot-days

451

287.7

181.4

_

-

-

392

811

301.2

198.2

291.7

-

Maxima

22

13

11

-

-

-

-

3S

73

15

15

14

-

Minimum

14

7.0

4.7

-

-

-

-

16

15

7.3

2,9

5.3

-

Mean

- 17.3

-

-

-

-

21.8

27.0

9.72

6.39

9.72

-

Runoff in 

acre-feet

-

-

"

1,830

778

1,610

597

393

579

3,960
FEND OREILLE RIVER BASIN 

West Fork Bitterroot River near Conner. Mont.

241

Location.- Water-stage recorder, lat. 45°44', long. 114°17', in NE^NWi sec. 26, T. IS., 

K. 22' W., half a mile below West Fork Dam, 6 miles upstream from Nez Perce Creek, and 

16 miles southwest of Conner.

Drainage area.- 322 square miles.

Records available.- April 1941 to September 1947.

Extremes.- Maximum .discharge during year, 4,060 second-feet May 9 (gage height, 6.18 feet): 

minimum, 88 second-feet (regulated) Sept. 2, 3, 6-8, 15, 16.

1941-47: Maximum discharge, that of May 9, 1947; minimum, 0.2 second-foot (regulated) Nov. 25, 1942.

Remarks.- Records good except those for periods of no gage-height record, which are poor. 

Flow regulated by West Fork Bitterroot River Reservoir (see p. 227). Small diversions 

above station for irrigation.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27

28 

29 

30

31

Oct.

123 

240 

257 

224 

201

192. 

189 

177 

168 

165

159 

353 

507 

550 

569

636 

630 

625 

625 

614

609 

599 

594 

594 

589

589 

584 

579 

579 

574 

569

Nov.

a560 

559 

554 

550 

545

540

535 

530

426 

375

367 

342

272 

227 

208

168 

165 

162 

134 

115

115 

115 

117 

115 

115

115 

115 

112 

112

165

Dec.

224

220 

220 

195 

156

156 

154 

154 

154 

154

156 

156 

159 

165 

168

168 

168 

168 

165 

168

168 

168 

168 

168 

168

168 

168 

168 

168 

165 

165

Jan.

165 

165 

162 

162 

162

165 

165 

162 

162 

162

162 

162 

162 

15? 

159

159 

159 

145 

110 

94

94 

94

97 

97 

97

97 

97 

97 

97 

97 

97

Feb.

94 

94 

94 

94 

94

92 

92 

92 

94 

94

94 

94 

94 

94 

94

92 

92 

92 

92 

92

92 

92 

94 

97 

97

94 

94

94

Month

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Apr! 

Nay

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

94 

94 

94 

94 

94

97 

97 

97 

97 

97

97 

100 

102 

102 

102

102 

102 

102 

104 

107

107 

165 

294 

354 

354

354 

350 

350 

350 

350 

350

Apr.

350 

350 

350 

350 

350

350 

350 

350 

350 

350

346 

346 

342 

342 

346

354 

358 

362 

367 

371

375 

375 

379 

375 

379

379 

379 

387 

392 

400

Secondfoot-days

13,663 

8,530 

5,270

93,593

4,164 

2,618 

5,353 

10,854 

62,328 

23/151 

6,980 

3,519 

3,496

149,926

May

478 

1,460 

2,530 

3,360

3,360

3,290 

3,290 

3,660 

3,900 

3,360

2,630 

2,140 

1,880 

1,740 

1,600

1,560 

1,560 

1,560 

1,560 

1,460

1,510 

1,510 

1,460 

1,420 

1,420

1,510 

1,600 

1,560 

1,420 

1,290 

1,250

Maximum

636 

560 

224

1,110

165 

97 

354 

400 

3,900 

1,210 

363 

158 

221

3,900

June

1,210 

1,170 

1,170 

1,130 

al,050

al.OOO 

a950 

a900 

al,100 

955

922 

858

795 

795 

738

738 

738 

710

677 

644

616 

570 

526

497 

469

450 

478 

464 

438 

393

July

Minimum

123 

112 

154

21

94 

92 

94 

342 

478 

393 

139 

92 

88

88

363 

342 

322 

307 

296

281 

270 

270 

274 

263

256 

252 

245 

235 

225

218 

211 

195 

192 

188

185 

182 

182 

173 

167

161 

155 

147 

142 

139 

142

Aug.

158 

158 

150 

147 

137

129 

125 

118 

111 

109

109

111 

109 

109

107

103 

99 

96 

94 

96

96 

101 

118 

120 

114

107 

103 

99 

98 

96 

92

Hear

441 

281 

170

256

131 

93.5 

173 

363 

2,011 

772 

223 

114 

117

411

Sept.

90 

68 

90 

92 

90

88 

88 

90 

92 

96

98 

98 

94 

92 

90

92 

103 

111

114 

111

105 

103 

101 

134 

185

185 

185 

185 

185 

221

Runoff In 

acre-feet

27,100 

16,920 

10,450

185,600

8,260 

5,190 

10,620 

21,530 

123,600 

45,920 

13,840 

6,980 

6,930

297,300

a No gage-height record: discharge Interpolated, or computed on basis of records to" East Fork 

Bitterroot River at Conner and Bitterroot River near Darby.
242 PEND OREILLE RIVER BASIN

Bitterroot River near Darby, Mont.

Location.- Water-stage recorder, lat. 45°59 T , long. 114 C 09', in NE-- sec. 36, T. 3 N., R. 

ai W., Just below bridge on U. S. Highway 93, a quarter of a mile downstream from 

Chaff in Cr3ek and 4 miles southeast of Darby.

Drainage area.- 1,050 square miles.

Records available.- April 1937 to September 1947.

Ex-tr-emes. - Maximum discharge during year, 11,500 second-feet May 9 (gage height, 8.18 

feet); minimum daily discharge, 245 second-feet Sept. 4.

1937-47: Maximum discharge, that of May 9, 1947; minimum observed, 71 second-feet 

Feb. 9, 1939.

Remarks.- Records good except those for periods of no. gage-height record, which are fair. 

Home regulation by West Fork Bitterroot River Reservoir (see t>. 227). Many diversions 

above station for irrigation.

Discharge, in second-feet, water year October 1946 to September 19*7

Day

1 

2 

3 

4

5

6 

7

e

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

435 

966 

994 

844 

772

716 

686 

665 

637 

523

602 

651. 

900 

967 

967

1,030 

1,030 

1,030 

1,010 

1,020

1,070 

1,110 

1,210 

1,160 

1,480

2,120 

1,560 

1,460 

1,360 

1,300 

1,230

Nov.

1,220

1,180 

1,080 

1,160 

1,150

1,140 

1,130 

1,090 

1,000 

892

868 

796 

672 

679 

686

528 

595 

665 

679 

602

553 

595 

609 

595 

567

560 

567 

581 

609 

602

Dec.

623 

672 

637 

651 

574

567 

547 

541 

541 

528

716 

1,010 

1,260 

1,560 

1,620

1,360 

940 

900 

940 

844

764 

740 

686 

644 

595

644 

630 

541 

447 

495 

508

Jan.

534 

477 

418 

418 

459

541 

521 

495

489 

502

489 

477 

459

441 

401

418 

465 

441 

378 

373

362 

362 

384 

389 

378

389 

357 

276 

303 

321 

326

Feb.

326 

395 

362 

336 

331

336 

312 

289 

276 

298

326 

352 

406 

395 

389

395

401 

384 

378 

373

373 

373 

373 

362 

373

298

289 

357

Month

Ooto 

Hove 

Deoe

Ca

Janu. 

Febri 

Marc 

Apr! 

Mav

June 

July 

Augu 

Sept

Wa

lendar year 1946

h. ......................................

ter year 1946-47 .......................

Mar.

336 

352 

362 

347 

342

321 

317 

326 

317 

342

342 

336 

342 

357 

389

459

560 

693 

836 

908

949

1,010 

1,080 

1,090 

1,020

985 

924 

916 

958 

1,050 

1,090

Apr.

1,080 

1,100 

1,100 

1,090 

1,050

1,010 

967 

958 

958 

940

924 

908 

940 

1,120 

1,510

1,680 

1,790 

1,850 

1,790 

1,850

1,920 

1,790 

1,620 

1,560

1,510

1,560 

1,850 

2,570 

3,230 

3,410

Secondfoot-days

31,605 

23,650 

23,725

331,647

13,043 

9,858 

19,656 

45,635 

185,850 

87,290 

32,055 

11,056 

9,576

492,999

May

3,140 

4,420 

7,550 

8,840 

9,360

9,880 

10,100 

10,400 

11,000 

9,700

7,780 

6,200 

5,580 

5,180 

4,790

4,700 

4,700 

4,790 

4,510 

4,420

4,510 

4,510 

4,330 

4,240 

4,510

4,790 

5,180 

4,700 

4,240 

3,900 

3,900

Maximum

2,120 

1,220 

1,620

3,960

541

406 

1,090 

3,410 

11,000 

4,070 

1,580 

510 

421

11,000

June

4,070 

3,98Q 

4,070 

3,730 

3,480

3,400 

3,320 

3,240 

3,820 

3,480

3,160 

2,930 

2,930 

3,000 

2,860

2,930 

3,240 

3,080 

2,930 

2,710

2,430 

2,240 

2,180 

2,110 

2,110

2,110 

2,370 

2,05u 

1,750 

1,580

Jily

1,530 

1,580 

1,580 

1,580 

1,480

1,480 

1,530 

1,530 

1,480 

1,380

1,310 

1,190 

1,130 

1,110 

1,040

1,010 

944 

852 

808 

791

a760 

a740 

a700 

a720 

a 700

a600 

a560 

a520 

490 

465 

465

Minimum

435 

528 

447

180

276 

276 

317 

908 

3,140 

1,580 

465 

280 

245

245

Aug.

504 

510 

490 

465 

445

415

403 

380 

355 

345

330 

325 

330 

315 

310

300 

290 

290 

290 

285

320 

370 

439 

375 

350

340 

325 

305 

8290 

a280 

8285

Mean

1,020 

788 

765

909

421 

352 

634 

1,521 

5,995 

2,910 

1,034 

357 

319

1,351

Sept.

a270 

a270 

h277 

a245 

h261

a270 

a260 

a295 

a280 

h300

a295 

285 

277 

269 

265

290 

375 

380 

370 

350

345 

350 

335 

320 

380

385 

385 

380 

391 

421

Runoff in 

acre -feet

62,690 

46,910 

47,060

657,900

25,870 

19,550 

38,990 

90,520 

368,600 

173,100 

63,580 

21,930 

18,990

977,800

a Ho gage-height record; discharge computed on basis of records for West Pork Bitterroot River near 

Conner and East Pork Bitterroot River at Conner. 

h Computed from staff-gage readings.
FEND OREILLE RIVER BASIN 243

East Fork Bitterroot River at Conner, Mont.

Location.- Wire-weight gage, lat. 45°56', long. 114°08', in SE^ sec. 7 T. 3 N., R. 20 W., 

below highway bridge at Conner and half a mile upstream from confluence with West Fork.

Drainage area.- 404 square miles.

Records available.- April 1937 to September 1947. September 1910 to September 1916 at 

site ^j miles upstream.

Extremes.- Maximum discharge observed during year, 3,660 second-feet May 9 (gage height, 

b.YB feet); minimum observed, 59 second-feet Aug. 30, Sept. 1, 4.

1937-47: Maximum discharge observed, that of May 9, 1947; minimum observed, 1.4 

second-feet Aug. 17, 1937.

Remarks.- Records good except those for periods of ice effect, which are poor. Gage read 

twice daily. Several diversions above station for irrigation.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21

22 

23 

24

25

26 

27 

28 

29 

30 

31

Oct.

134 

167 

192 

250 

250

250 

218 

205 

195 

201

201 

205 

201 

195 

198

195 

164 

179 

189 

176

189 

201 

232 

269 

309

451 

376 

330 

289 

330 

309

Nov.

269 

289 

250 

250 

269

250

250 

250 

232 

201

192 

167 

147 

201 

198

145 

195 

229 

225 

225

182 

205 

218 

195 

189

189 

192 

205 

212 

195

Dec.

167 

195 

189 

212 

167

182 

167 

159 

164 

*159

170 

269 

309 

376 

451

330 

212 

250 

309 

269

250 

232 

229 

222 

201

195 

201 

150 

150 

150 

150

Jan.

145 

140 

130 

130 

140

150 

ISO 

150 

150 

150

150 

155 

145 

135 

120

125 

130 

135 

135 

140

140 

140 

140 

140 

135

125 

115 

100 

*105 

105 

105

Feb.

130 

140 

145 

155 

167

170 

139 

125 

115 

100

130 

170 

167 

159 

145

145 

153 

136 

119 

110

114 

alls 

122 

124 

108

80 

82 

122

Month

Octo 

Hove 

Dece

Ca

Janu 

Pebr 

Marc 

Aprl 

Mav

June 

July 

Augu 

Sept

Wa

mber. ...................................

lendar year 1946

h. ......................................

ter year 1946-47 .......................

Mar.

134 

*139 

134 

119 

129

114 

110 

106 

122 

110

108

106 

108 

124 

119

110 

179 

250 

269 

289

289

309 

289 

269 

' 232

232 

229 

229 

222 

232 

289

Apr.

250 

269 

289 

269 

250

a241 

232 

218 

232 

225

218 

225 

232 

269 

376

399 

451 

508 

508 

570

570 

570 

508 

508 

480

508 

570 

709 

1,100 

1,300

Secondfoot -days

7,250 

6,416 

6,836

87,382

4,155 

3,690 

5,700 

13,054 

60,490 

28,250 

7,535 

2,976 

2,656

149,008

May

1,300 

1,470 

2,290 

3,080 

3,360

3,220 

3,220 

3,510 

3,510 

3,220

a2,560 

1,900 

1,800 

1,600 

1,600

1,520 

1,520 

1,520 

1,420 

1,420

1,420 

1,340 

1,340 

1,340 

al,430

1,520 

1,600 

1,520 

1,340 

1,260 

1,340

Maximum

451

289 

451

1,160

155 

170 

309 

1,300 

3,510 

1,520 

390 

164 

124

3,510

June

1,340 

1 , 340 

1,340 

1,340 

1,180

1,180 

1,100 

1,020 

1,520 

1,340

1,100 

1,020 

947 

1,020 

881

881 

1,020 

947 

881 

819

819 

760 

651 

578 

532

532 

626 

578 

510 

448

July

390 

372 

390 

a3V2 

354

320 

288 

288 

288 

288

288 

273 

a258 

244 

244

229 

216 

216 

189 

189

189 

189 

176 

189 

176

164 

164 

152 

152 

145 

143

Minimum

134 

145

150

27

100 

80 

106 

218 

1,260 

448 

143 

61 

61

61

Aug.

164 

152 

143 

139 

132

130 

124 

115 

107 

103

97 

93 

97 

89 

83

80 

80 

78 

74 

68

68 

83 

105 

93 

78

76 

68 

66 

65 

61 

65

Mean

234 

214 

221

239

134 

132 

184 

435 

1,951 

942 

243 

96.0 

88.5

403

Sept.

63 

65 

7O 

61 

68

72 

66 

78 

74 

89

89

85 

85 

81 

85

97 

124 

120 

113 

105

103 

101 

99 

95 

89

93 

97 

93 

99 

97

Runoff In 

acre -feet

14,380 

12,730 

13,560

173,300

8,240 

7,320 

11,310 

25,890 

120,000 

56,030 

14,950 

5,900 

5,270

295,600

 Winter discharge measurement made on this day.

a No gage-height record; discharge interpolated, or computed on basis of records for- West Pork 

Bitterroot River near Conner and Bitterroot River near Darby.

Note.- Stage-discharge relation affected by Ice Dec. 30 to Feb. 4, Feb. 8-11.
244 PEND OREILLE RIVER BASIN

Rock Creek near Darby, Mont.

Location.- Wire-weight gage, lat. 46°04', long. 114°13', in SWij sec. 28, T. 4 N. , R. 21 

W. , bUO feet upstream from diversion dam, l£ miles downstream from Como Lake, and 4 

4 miles northwest of Darby.

Drainage area.- 55.5 square miles.

Records available.- April 1946 to September 1947 (fragmentary).

Extremes.- Maximum discharge observed during year, 176 second-feet Aug. 26, discharge 

measurement; minimum observed, 1.7 second-feet Nov. 3-14.

1946-47: Maximum discharge observed, 408 second-feet May 10, July 4-10, 1946; 

maximum gage height observed, 4.10 feet July 5-9, 1946; no flow Apr. 6, 18, 19, May 

27-30, 1946.

Remarks.- Records fair. Gage read once daily. Small diversion above station for irrigation. Flow regulated to limit of capacity of Como Lake (see p. 227). Greater part 

of flow diverted by Rock Creek Canal, 500 feet below station. This diversion was 

measured as 66.5 second-feet May 11, 107 second-feet June 11, 167 second-feet July 29, 

174 second-feet Aug. 26.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2

3 

4

5

6 

7 

& 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct. Nov.

1. 

1. 

1.

1. 

1. 

1. 

1. 

1.

1. 

1. 

1. 

1. 

3.

3. 

3. 

3. 

3.

3. 

3. 

3. 

4. 

4.

4. 

4. 

4. 

4.1 

4.1

Dec.

4. 

4. 

4. 

4. 

4.

4. 

4. 

8. 

8. 

6.

5. 

5. 

5. 

5. 

5.

5. 

5. 

5. 

45

73

73 

73 

73 

73 

73

77 

77 

77 

77 

77 

77

Jan.

81 

81 

81 

81 

81

81 

81 

81 

81 

81

81 

81 

81

77 

77

77 

77 

77 

77 

77

77 

77 

77 

77 

77 

77

Feb.

77 

77 

77 

77 

77

77

77 

77 

77 

77

77 

77 

77 

77 

77

77 

77 

77 

77 

77

77 

73 

73 

73

73

73 

73 

73

Month

Ooto 

Nove 

Dece

Ca

Janu 

Febr 

Hare 

Aprl 

May.

June 

July 

Augu 

Sept

Th

mber 3-3 

nber

Lendar year

h. ......................................

L................................ .......

? period. .......................

Mar.

73 

73 

71 

73 

73

73 

73 

73 

73 

73

73 

73 

77 

77 

77

77 

77 

77 

77 

77

77 

77 

77 

77 

77

77 

77 

77 

77 

77 

77

Apr.

m

Secondfoot-days

83.4 

1,043.7

-

2,43 

2,12

9 

8 

7

-

May

Maximum

4.3

77

-

81 

77 

77

-

June July

t!69

Minimum

1.7 

4.1

-

77 

73 

71

-

Aug.

t!76

Mean

2.98

33.7

-

78.7 

76.0 

75.4

-

Sept.

Runoff In 

acre-feet

165 

2,070

-

4,840 

4,220 

4,640

15,940

t Result of discharge measurement.
PEND O'REILLE RIVER BASIN 245

Blodgett Creek: near Corvallis, Mont.

Location.- Water-stage recorder, lat. 46°16', long. 114°13', in NW^NWi sec. 21, T. 6 N., 

R. HI W. , 4^ miles upstream from mouth and 7 miles southwest of Corvallis.

Drainage area.- 26.8 square miles.

Records available.- December 1946 to September 1947.

Extremes . - Maximum discharge during period, 750 second-feet May 9 (gage height, 6.10 

feet] ; minimum, 7.7 second-feet Feb. 3 (gage height, 2.27 feet).

Remarks . - Records good except those for periods of ice effect or no gage-heigf ; record, 

which are poor. Staff gage read once daily. No diversion above station. Flow only 

slightly affected by storage for irrigation in High Lake and Blodgett Lake.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct. Nov. Dec.

h34 

h32

h33 

a31 

a30 

h33 

h29

*h50 

h46 

a60 

alOO 

H213

h!76 

a So 

a60 

a55 

a 50

a45 

a40 

a36 

a32 

a31

a30 

a29 

a28 

a27 

a26 

a25

Jan.

a24 

a23 

a22 

a22 

a21

a20 

a20 

a20 

a20 

22

21 

21 

19 

18 

b!7

b!6 

16 

16 

16 

16

16 

15 

16 

16 

15

14 

14 

12 

15 

14 

14

Feb.

*14 

13

8.4 

11

12

12 

12

12 

12 

blO

bll 

12

16 

16 

16

16 

16 

16 

16

16

15 

15 

16 

16 

14

12 

b!2 

b!2

Month

Octo 

Move 

Dece

Ca

Janu 

Febr 

Marc 

Apr! 

Hay

June 

July 

Augu 

Sept

Th

rober 4-3 

lendar y

1. . . . ........... .........

ear

e period-. ...............................

Mar.

13 

14 

13 

*12 

12

12

12 

12 

11 

11

11 

11 

11 

12 

14

21 

27 

38 

48 

55

63 

67 

61 

53 

48

44 

41 

40 

43 

50 

54

Apr.

53 

52 

52 

51

47

44 

41 

40 

39 

39

36 

35 

41 

68 

126

139 

158 

148 

133 

140

124

106 

94 

86 

83

101 

156 

237 

294 

271

Secondfoot-days

1,461

-

551 

379.4 

934 

3,034 

11,250 

6,257 

2,588 

627. 2 

690

-

May

222 

365 

599 

576 

576

439 

542 

641 

656 

410

296 

255 

271 

255 

248

273 

278 

283 

246 

271

322 

312 

276 

312 

358

379 

403 

299 

251 

253 

283

Maximum

213

-

24 

16 

&i 

29* 

656 

326 

176 

41 

44

-

June

283 

273 

246 

235 

224

257 

240 

235 

326 

231

178 

166 

198 

203 

198

224 

280 

237 

233 

166

146 

146 

158 

178 

192

190 

235 

160 

120 

99

July

111 

146 

172 

176 

146

148 

158 

152 

133 

122

106 

88 

88 

86 

80

75 

65 

60 

56 

52

48 

45 

42 

39 

35

32 

29 

27 

25 

24 

22

Aug.

21 

21 

20 

28 

21

18 

16 

14 

24 

25

25 

25 

26

24 

22

10 

9.6 

28 

30 

32

41 

19 

27 

18 

15

14

12 

11 

11

10

9.6

Minimum Mean

25 52.2

-

12 17. S 

8.4 13.6 

11 30.1 

35 101 

222 363 

99 209 

22 83.5 

9.6 20.2 

12 23.0

1

Sept.

25 

26 

26 

25 

24

22 

21 

22 

22 

25

26 

22 

19 

16 

16

32 

44 

30 

26 

22

22 

24 

22 

IS 

16

14 

14 

12 

15 

42

Runoff in 

acre-feet

2,900

-

1,090 

753 

1,850 

6,020 

22,310 

12,410 

5,130 

1,240 

1,370

55,070

Winter discharge measurement made on this day. 

a Mo gage-height record; discharge computed on basis of records for Bear Creek near Victor, 

b Stage-discharge relation affected by ice. 

h Computed from staff-gage readings.
246 FEND OREILLE RIVER BASIN

Fred Burr Creek near Victor, Mont.

Location.- Water-stage recorder, lat. 46°21' , long. 114°15', in MT sec. 20, 1. 7 N., R. 

Si W., 5 miles upstream from mouth and 7 miles southwest of Victor.

Drainage area.- 18.6 square miles.

Records available.- December 1946 to Sflptember 1947.

Extremes.- Maximum discharge during period, 397 second-feet May 8 (gage height, 3.28 

feet), from rating curve extended above 220 second-feet; minimum, 5.3 second-feet 

Sept. 7 (gage height, 1.02 feet).

Remarks.- Records good except those for periods of ice effect or no gage-height record, 

which are fair. No diversion above station. Some regulation from reservoir of 550 

acre-feet capacity being constructed above station.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct. Nov. Dec.

18

*27 

26

31 

40 

67

56 

b44 

b40 

34 

31

28 

26 

24 

23 

22

21 

b20 

b!8 

b!7 

b!6 

b!5

Jan.

blS 

b!4 

a!4 

a!4 

a!3

a!2 

a!2 

a!2 

all 

all

a 10 

alO 

alO 

a9 

a9

a9 

a9 

a9 

a9 

a9

blO 

b9 

b9 

blO 

b9

blO 

b9 

b8 

b9 

blO 

blO

Feb.

b!2 

bll 

blO 

b9 

b9

b9 

a9 

a8 

b7 

b6

bS 

10 

13 

13 

14

13 

11 

12 

12 

11

11 

11 

11 

11 

10

bS 

b7 

b6

Month

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl

June 

July 

Augu 

Sept

 nmber 10- 

lendar y

31.. ........ . . ...... .....

ear

e period ................................

Mar.

b6 

b7 

.7 

* .9 

.7

.7 

.5 

.5 

.5 

.5

.3 

.3

.3 

.5 

8.6

13 

21 

32 

43 

45

47 

46 

39 

32 

28

26 

23 

21 

24 

30 

31

Apr.

28 

27 

26 

26 

22

21 

20 

19 

18 

18

17 

17 

19 

38 

73

79 

87 

79 

67 

73

60 

51 

46

41 

40

50 

92 

149 

174 

152

Secondfoot-days

644

-

324 

282 

613.0 

1,629 

6,528 

4,499 

1,812 

324.3 

292.7

-

May

122 

227 

302 

305 

£99

293 

308 

333 

330

227

171 

145 

149 

149 

149

169 

171 

171 

159 

171

205 

189 

171 

197 

230

249 

246 

192 

161 

154 

184

Maximum

67

-

15 

14 

47 

174 

333 

241 

116 

16 

21

-

June

184 

176 

161 

159 

149

174 

161 

154 

241 

189

139 

126 

147 

152 

147

164 

232 

200 

179 

126

107 

113 

118 

130 

139

134 

152 

100 

79 

67

Minimum

July

76 

100 

116 

115 

100

105 

111 

102 

92 

85

71 

64 

66 

64

60

55 

46 

a42 

a40 

a38

a35 

a32 

29 

28 

26

23

21 

19 

18 

17 

16

15

-

8 

6 

6 

17 

122 

67 

16 

6.3 

5.5

-

Aug.

15 

15 

14 

14 

15

15 

14 

13 

12 

12

11 

11 

11 

9.0 

7.9

7.5 

7.1 

6.5 

6.3 

6.7

14 

12 

16 

10 

8.3

7.7 

7.3 

6.9 

6.5 

6.3 

6.3

Mean

29.3

-

10.5 

10.1 

19.8 

54.3 

211 

150 

58.5 

10.5 

9.76

-

Sept.

6.2 

5.9 

5.8 

5.6

5.5

5.5 

5.5 

5.9 

6.2 

6.5

7.3 

7.3 

6.5 

6.3 

6.0

18 

21 

15 

13 

11

15 

16 

13 

11 

10

10 

10 

9.7 

10 

18

Runoff In 

acre-feet

1,280

-

643 

559 

1,220 

3,230 

12,950 

8,920 

3,590 

643 

581

33,620

* Winter discharge measurement made on this day.

a Ho gage-height record; discharge computed on basis of records for Bear Creek near victor.

b Stage-discharge relation affected by ice.
PEND OREILLE RIVER BASIN 247

Bear Creek near victor, Mont.

Location.- Water-stage recorder and timber control, lat. 46°23' long 114°13' in NE1 

ser-'- 9, T. 7N..R. 21W..5 miles southwest of Victor.

Drainage area.- 26.6 square miles.

Records available.- April 1938 to September 1947.

Extremes.- Maximum discharge during year, 901 second-feet May 8 (gage height 3 83 feet) 

from rating curve extended above 530 second-feet; minimum, 4.7 second-feet Sept. 6 7 

(gage height, 0.53 foot). H

19P8-47: Maximum discharge, that of May 8, 1947; minimum recorded, 1.0 second-foot 

Sept. 13, Nov. 15, 1944.

Remarks.- Records good except those for periods of ice effect or no gage-height record, 

which are poor. No diversion or regulation above station.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

15

64

50

47

40

35

30

28

26

25

23

23

22

21

21

19

19

18

18

18

31

44

54

47

386

259

149

110

94

83

72

Nov.

66

59

56

51

46

*45

44

42

38

37

35

31

b30

b30

b3O

b32

b34

34

b32

b30

b30

b34

b36

b38

b40

42

40

41

41

38

-

Dec.

36

34

33

32

30

29

27

25

*25

24

43

45

53

72

100

81

68

b50

b44

40

36

33

30

8

5

5

b 4

b 3

b 2

b 1

b 0

Jan.

b20

b!9

b!8

b!8

b!7

b!7

b!6

b!6

bl6

b!6

15

14

13

12

b!2

b!2

b!2

13

13

13

14

13

13

14

13

14

13

b!2

15

*15

15

Month

October .......................

November ......................

December ... ...............

Calendar year 1945 .........

January ........ ............ .

February ....... ..............

March .......... ...... .... .

April ....................... .

May .................... ......

June ........... .............

July .......

Augvi 

Sept

st ........................

ember .....................

Water year 1946 47 ..........

Feb.

17

16

13

13

12

12

11

blO

b9

bS

blO

14

19

18

17

17

16

16

16

15

15

15

16

17

16

b!2

blO

blO

_

_

-

Secondfoot-days

1 , 182

1,1/8

23 951 . 9

453

390 

950

11^931

7 435

2, 445 

407.1 

423.2

31,593.3

Mar.

blO

bll

b!2

13

*12

12

12

12

12

12

12

12

12

12

14

18

26

38

53

61

68

72

64

57

50

44

40

38

41

48

52

Maximum

66

100

0

19

72

299

732

420

162 

25 

51

732

Apr.

49

48

46

44

40

38

36

34

32

31

29

29

a40

a70

a!30

a!50

a!6Q

a!50

a!40

a!30

a!20

alOO

a90

a SO

74

87

145

242

299

245

May

197

400

625

625

630

592

642

732

654

40O

295

260

276

273

266

286

276

279

270

289

351

319

282

330

385

416

400

316

279

270

316

Minimum

15

30

20

4.6

12

10

29

197

112

20 

7.9 

4.7

4.7

June

306

286

^70

276

263

292

263

251

420

333

230

220

251

254

230

257

400

330

286

204

179

183

192

212

214

207

222

162

130

112

Mean

61.0

39 . 4

38 .0

65.6

14.6

13.9

30. 6

»b . y

385

248

is', i

14.1

86.6

July

121

143

162

160

141

139

141

135

119

112

101

86

85

84

78

72

61

55

51

48

46

43

40

38

35

31

28

25

23

22

20

Per 

square 

mile

2.29

1 .48

1.43

2.47

. 549

. 523

1.15

3. 64

14.5

9 32

2.97 

.492 

.530

3.26

Aug.

19

19

18

17

16

i:

14

13

13

13

12

12

12

11

10

9.3

9.0

8.6

7.9

8.6

19

17

25

18

14

12

10

9.3

9.0

8.2

8.2

Sept.

7.2

6.2

5.9

5.9

5.3

4.7

5.0

7.2

7.6

9.3

10

8.6

7.6

6.5

6.2

24

32

23

20

18

22

23

19

17

16

14

14

13

14

51

Runoff

Inches

2 .64

1.65

1.65

.63

.54

1.33

4.06

16 . 72

10.40

3.42 

.57 

.59

44.20

Acre-feet

3,750

2,340

2,340

47,510

774

1 , 880

5,770

23,660

14,750

4,850 

807

839 _

62,660

* Winter discharge measurement made on this day.

a No gage-height record; discharge computed on basis of records for Blodgett Creek near Corvallls.

b Stage-discharge relation affected by ice.

903681 O - 50 - 17
348 FEND OREILLE RIVER BASIN

Burnt Fork Creek near Stevensville, Mont.

Location.- Staff gage, lat. 46°28', long. 113°57', in SW£ sec. 11, T. 8 N., R. 19 W., 

at highway bridge 8 miles southeast of Stevensville.

Drainage area.- 74 square miles.

Records available.- May 1920 to August 1924, April 1938 to September 1947.

Extremes.- Maximum discharge observed during year, 414 second-feet May 8, 9; maximum gage 

height observed, 3.40 feet Jan. 6, 9 (backwater from ice); minimum daily discharge, 

13 second-feet Jan. 3, 4.

1920-24, 1938-47: Maximum discharge observed, 641 second-feet May 28, 1938; maximum gage height observed, that of Jan. 6, 9, 1947; minimum discharge observed, 5.6 

second-feet Jan. 18, 1940 (discharge measurement), Apr. 16, 1945.

Remarks.- Records good except those for periods of ice effect or no gage-height record, 

which are fair. Gage read once daily. Several diversions above station for irrigation.

Discharge, In second-feet, water year"October 1946 to September 1947

Day

1 

2 

3 

4

5

6 

7

e

9 

10

11

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

198 a

48 

39 

38

a36 

34 

32 

31 

31

29 

28 

a28 

28 

25

24 

24 

23 

22 

a25

31 

27 

34 

29 

38

67 

a58 

49 

45 

44 

40

Nov.

40 

40 

a42 

43 

*39

37 

37 

36 

31 

a29

a27 

26 

43 

44 

35

35 

a37 

40 

46 

40

35 

37 

40 

a35

30

3O

30 

a30 

30 

30

Dec.

a 30 

30 

30 

30 

30

30 

30 

a28 

*26 

28

29 

*27 

29 

29 

a 30

25

20 

18 

18

20

23 

a25 

30 

30 

a29

29 

29 

25 

20 

18 

15

Jan.

15 

14 

13 

13

14

16 

17 

17 

18

20

20 

19 

18 

17 

16

17

19 

22 

24 

26

28 

23 

23 

23 

22

a21 

18 

15 

15

 15 

15

Feb.

16 

20 

20 

22 

25

25 

24 

22 

18 

18

19 

25 

30 

36

23

a24 

25 

25 

25 

25

25 

a25 

a25 

24 

24

22 

20 

20

Month

Ooto 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl 

May.

June 

July 

Augu 

Sept

Wa

mber ....................................

lendar year 1946 

ary

ter year 1946-47 .......................

Mar.

20

21 

23 

23 

<22

23 

23 

24 

a20 

18

18 

18 

18 

15 

17

al8 

20 

28 

35 

38

40 

40 

a39 

38 

35

28 

28 

28 

30 

a35 

40

Apr.

38 

40 

40 

40 

38

a36 

35 

38 

35 

35

35 

35

a40 

48

61

67 

75 

75

73 

a77

81 

67 

67 

67 

67

67 

a90 

119 

155 

160

Seeondfoot-days

1,115 

1,074 

810

13,840.5

573 

652 

823 

1,901 

7,486 

5,383 

1,853 

846 

624

23,140

May

136 

188 

289 

a330 

371

371 

371 

414 

414 

329

309 

260 

248 

219 

207

207

200 

al90 

182 

177

182 

182 

177 

171 

alSO

188 

219 

213 

188 

a!88 

188

Maximum

89 

46 

30

142

28 

36 

40 

160 

414 

260 

108 

40 

39

414

June

a 200 

207 

213 

200 

188

188 

188 

a225 

260 

246

213 

200 

188 

188 

a!85

182 

188 

188 

188 

188

160 

also 

141 

13S 

132

132 

150 

128 

a!20 

111

Minimum

July

108 

101 

97 

a90 

84

a82

81 

81 

78 

70

70 

70 

a65 

61 

59

56 

56 

40 

40 

a 40

40 

40 

40 

40 

35

30 

a35 

44 

40 

40 

40

19 

26 

15

7.0

13 

16 

15 

35 

136 

111 

30 

18 

16

13

Aug.

40 

40 

a39 

38 

33

30 

30 

30 

30 

a30

30 

30 

30 

30 

28

28

a25 

22 

20 

20

30 

26 

28 

a25 

22

20 

19 

18 

18 

18 

a!9

Mean

36.0 

35.8 

26.1

37.9

18.5 

23.3 

26.5 

63.4 

241 

179 

59.8 

27.3 

20.8

63.4

Sept.

a 20 

20

22 

20

19

18 

a!8

19 

19 

19

17 

17 

16 

a!6 

16

29

23 

27 

25 

23

a24 

25 

21 

19 

19

18 

18 

a!9 

19 

39

Runoff In 

acre -feet

2,210 

2,130 

1,610

27,460

1,140 

1,290 

1,630 

3,770 

14,850 

10,680 

3,680 

1,680 

1,240

45,910

Winter discharge measurement made on this day. 

a No gage-heLght record; discharge interpolated, or computed on b Mote.- Stage-discharge relation affected by ice Nov. 21, 22, Dec. 

to Feb. 13, Feb. 26 to Mar. 7.

isis of weather records. 

16-21, Dec. 28 to Jan. 21, Jan. 27
PEND DREILLE RIVER BASIN 249

Flathead River at Flathead, British Columbia 

(International gaging station)

Location.- Staff gage, lat. 49°00', long. 114°29', at highway bridge 0.2 mile north of 

international boundary, 0.2 mile northwest of Flathead, British Columbia, and 7 miles 

northwest of Trail Creek, Mont.

Drainage area.- 450 square miles.

Records available.- March 1929 to September 1947 (no winter records).

Extremes.- Maximum discharge observed during period, 8,510 second-feet May 9 (gage height, 

tj.f-'O feet); minimum observed, 819 second-feet Nov. 14, 15 (gage height, 1.22 feet).

1929-47: Maximum discharge observed, 10,600 secrnd-feet June 17, 1933 (gage height, 

7.10 feet, revised); minimum observed, 65 second-feet Apr. 9, 1929; minimum gage height 

observed, 0.76 foot Apr. 9, 1929, Apr. 2, 3, 1937.

Remarks.- Records good. Gage read once daily.

Cooperation.- This station is one of the international gaging stations maintained by 

lianada under agreement with the United States.

Discharge, in second-feet, water year October lt46 to September 1947

Day

1 

2 

3 

4 

5

6 

1 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

273 

278 

320 

330 

325

320 

310 

31U 

300 

291

282 

278 

273 

268 

264

264 

255 

246 

250 

242

246 

310 

330 

350 

375

380 

360 

350 

340 

330 

320

Nov.

310 

291 

291 

282 

273

255 

250 

242 

237 

228

228 

228 

228

219 

219

Dec. Jem.

Month

Goto 

Hove

Deoe

Ca

Janu 

Febr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

Ha

her .......................

mber l-l 

mber . . .

lendar year 

.ary

ember .....................

ter year ..........

Feb.

Seoondfoot-days

9,370 

3,781

-

39,321 

145,170 

69,970 

22,155 

11,657 

10,797

-

Mar.

Maximum

380 

310

-

4,850 

8,510 

3,660 

1,230 

608 

510

-

Apr.

340 

340 

345 

345 

330

320 

310 

320 

330 

340

360 

380 

572 

750 

801

818 

,030 

,320 

,490 

,760

,730 

,710 

,690 

,640 

,810

,160 

,830 

,250 

,850 

,050

May

3,100 

4,050 

4,850 

5,050 

5,260

5,050 

5,260 

6,100 

8,510 

8,290

6,530 

6,100 

6,310 

5,680 

4,850

4,050 

3,660 

3,470 

3,470 

3,470

4,050 

3,470 

3,280 

3,660 

3,850

4,650 

4,650 

3,850 

3,660 

3,470 

3,470

Minimum

242

219

-

310 

3,100 

1,300 

390 

298 

286

-

June

3,660 

3,620 

3,470 

3,320 

3,210

3,100 

2,910 

2,170 

2,910 

3,210

3,070 

2,780 

2,620 

2,460 

2,240

2,250 

1,890 

2,110 

2,090 

1,810

1,790 

1,710 

1,530 

1,420 

1,370

1,470 

1,530 

1,500 

1,450 

1,300

Mean

302 

252

-

1,310 

4,680 

2,330 

715 

376 

360

-

P 

sqi 

m

July

1,230 

1,200 

1,150 

al,190 

1,230

1,180 

1,200 

882 

846 

810

778 

730 

698 

650 

622

580

580 

568 

544 

532

520 

500 

480 

470 

460

450 

440 

430 

415 

400 

390

er 

tare 

lie

0.67 

.56

-

2.91 

10.40 

5.18 

1.59 

.84 

.80

-'

Aug.

390 

385 

380 

380 

370

362 

354 

346 

342 

342

338 

338 

334 

334 

326

318 

330 

322 

314 

306

298

362 

608 

568 

500

460 

430 

400 

370 

370 

380

Sept.

362 

342 

322 

322 

310

298 

302 

310 

322 

330

342 

322 

314 

302 

302

294 

290 

294 

302 

294

286 

430 

470 

510 

510

480 

500 

470 

445 

420

Runoff

Inches Acre-feet

0.77 18,550 

.31 7,500

-

3.25 77,990 

11.99 287,900 

5.78 138,800 

1.83 43,940 

.£7 23,120 

.89 21,420

-

a Ho gage-height record; discharge Interpolated.
250 FEND OREILLE RIVER BASIN

Flathead River near Columbia Palls, Mont.

Location.- Water-stage recorder, lat. 48°99', long. 114°05', in NW£ sec. 7, T. 31 H., R. 

iy W., three-quarters of T mile upstream from Middle Pork and 10 miles northeast of 

Columbia Falls. Datum of gage is 3,109.70 feet above mean sea level, datum of 1929 

(levels by Bureau of Reclamation).

Drainage area.- 1,630 square miles.

Records available.- September 1910 to September 1917, April 1929 to September 1947.

Average discharge.- 19 years (1910-17, 1935-47). 2,722 second-feet.

Extremes.- Maximum discharge during year, 23,500 second-feet May 10 (gage height, 11.08 

feet); minimum daily, 350 second-feet Dec. ?9 to Jqn. 6.

1910-17, 1999-47: Maximum discharge, 29,500 second-fett June 20, 1916 (gage height, 

9.8 feet, site and datum then in use); minimum, 296 second-feet Mar. 5, 1945.

Remarks.- Records excellent except those for periods of ice effect, which are fair. No 

diversion or regulation.

Rating table, water year 1946-47, except periods of Ice-effect

(gage height, In feet, and discharge, In second-feet)

(Shifting-control method used Aug. 12 to Sept. 30)

1.2 355 3.0 1,450 6.0 5,930 

1.5 450 3.5 1,970 7.0 8.4OO 

1.8 585 4.0 2,550 8.0 11,400 

2.2 825 4.5 3,240 9.5 16,600 

2.6 1,110 5.0 4,020 11.1 23,500

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3

4 

5

6

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23

24 

25

26 

27 

28 

29 

30 

31

Oct.

877 

939 

995 

995 

995

960 

960 

946 

960 

960

953 

932 

918 

925 

911

884 

870 

851 

838 

884

1,030 

1,110 

1,230 

1,270 

1,550

1,970 

1,860 

1,650 

1,550 

1,450 

1,360

Nov.

1,270 

1,230 

1,150 

1,110 

1,070

1,030 

1,030 

995 

995 

960

946 

897 

851 

844 

832

825 

877 

778 

398 

400

425 

500 

625 

900 

1,200

1,250 

1,270 

1,320 

1,230 

1,110

Dec.

995 

1,030 

1,030 

995 

995

939 

890 

870 

858 

851

960 

953 

939 

960 

1,000

*725 

600 

550 

550 

550

575 

600 

575 

550 

500

475 

450 

400 

350 

350 

350

Jan.

350 

350 

350 

350 

350

350 

375 

400 

400 

425

450 

400 

375 

375 

375

375 

375 

375 

400 

425

475 

575 

750 

900 

900

875 

800 

700 

650 

650 

650

Feb.

675 

800 

750 

*800 

825

825 

775 

70O 

650

650

700 

775 

850 

950 

1,000

1,000 

995 

932 

897 

858

832 

799 

792 

806 

750

625 

550 

500

Month footways

Octo 

Nove 

Deoe

Ca

Janu 

Febr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

Wa

ber .......................

Biber

mber .......................

lendar year 1946 

ary

54,583 

?8,318 

?2,415

 1,219,154

h.. .......................

ember ..................... <

15,550 

'.2,061 

?9,155 

58,840 

?7,050 

73,110 

38,100 

)1,740 

11,580

ter year 1946-47. ......... 1,192,502

Mar.

500 

500 

500 

500 

500

500 

525 

575 

625 

675

718 

7O6 

688 

682 

7OO

730 

773 

832 

911 

995

1,070 

1,270 

1,500 

1,550 

1,500

1,450 

1,360 

1,360 

1,450 

1,650 

1,860

Maximum

1,970 

1,320 

1,030

21,600

900 

1,000 

1,860 

13,000 

23,000 

12,300 

5,500 

2,680 

1,700

23,000

Apr.

1,970 

2,190 

2,310 

2,250 

2,140

1,970 

1,920 

1,860 

1,970 

2,140

2,250 

2,310 

2,370 

2,810 

3,540

3,860 

4,280 

4,910 

5,500 

6,150

6,150 

5,930 

5,500 

5,500 

5,930

6,610 

8,120 

10,800 

12,600 

13,000

May

lo.soo 

9,550 

13,000 

15,100 

15,400

15,800 

15 , 400 

17,000 

20 , 700 

23,000

21,100 

19,000 

17,400 

16,600 

14 ,,700

13,000 

12,000 

11,100 

10,400 

10,400

10,800 

11,100 

10,200 

10,200 

11,100

12,600 

13,600 

13,000 

11,400 

10,800 

10,800

Minimum

B38 

398 

350

35C

350 

500 

500 

1,860 

9,550 

5,930 

1,920 

1,190 

1,110

350

June

11,400 

12,000 

11,700 

11,100 

11,100

10,800 

10,200 

9,850 

10,200 

12,000

12,300 

11,400 

10 , 800 

1O.4OO 

9,850

8,970 

8,400 

8,400 

8,400 

8,120

7,340 

6,850 

6,380 

6,150 

6,150

6,610 

6,850 

6,850 

6,610 

5,930

Mean

1,116 

944 

723

3,342

502 

788 

940 

4 628 

13 780 

9 104 

3 487 

1 669 

1 386

3,267

1947

July

5,500 

5,300 

5,300 

5,100 

4,910

4,720 

4,540 

4,540 

4.3FO 

4,280

4,1?0 

4,020 

3,7FO 

3,540 

3,3?0

3,320 

3,160 

3,020 

2,860

2,810

2,740 

2,620 

2,550 

2,4SO 

2,370

2,310 

2,250 

2,140 

2,080 

1,970 

1,920

Per 

square 

mile

0.689 

.583 

.446

2.06

.310 

.486 

.580 

2.86 

8.51 

5.62 

2.15 

1.03 

.856

2.02

Aug.

1,860 

1,800 

1,750 

1,7OO 

1,700

1,650 

1,650 

1,600 

1,550 

1,500

1,450 

1,450 

1,450 

1,400 

1,320

1,320 

1,360 

1,320 

1,230 

1,190

1,190 

1,36O 

2,270 

2,680 

2,490

2,250 

2,080 

1,920 

1,800 

1,700 

1,750

Sept.

1,650 

1,600 

1,500 

1,450 

1,360

1,320 

1,320 

1,320 

1,320 

1,400

1,360 

1,360 

1,270 

1,230 

1,190

1,190 

1,190 

1,150 

1,150 

1,150

1,110 

1,190 

1,400 

1,600 

1,700

1,700 

1,700 

1,650 

1,550 

1,500

Runoff

Inches

0.79 

.65 

.51

27.98

.36 

.51 

.67 

3.19 

9.81 

6.27 

2.48 

1.19 

.96

27.39

Acre-feet

68,590 

56,170 

44,460

2,419,000

30,840 

43,760 

57,830 

275,400 

847,000 

541,700 

214,400 

102,600 

82,470

2,365,000

* Winter discharge measurement made on this day.

Note.- Stage-discharge relation affected by Ice Nov. 20-26, Dec. 15 to Feb. 16, Feb. 25 to Mai-. 10 

(no gage-height record Dec. 28 to Feb. 3; discharge computed on basis of weather records and records 

for other stations on Flathead River).
PEND OREILLE RIVER BASIN 251

Flathead River at Columbia Falls, Mont.

Location.- Water-stage recorder, lat. 48°22', long. 114°II 1 , in SW£ sec. 17, T. 30 N., R. 

au W., 200 feet downstream from highway bridge at Columbia Palls and 5 miles downstream 

from South Fork. Datum of gage is 2,978.00 feet above mean sea level, datum of 1929 

(levels by Corps of Engineers). 

Drainage area.- 4,440 square miles.

Kecords available.- May 1922 to September 1923 (fragmentary), June 1928 to September 1947. 

Average discharge.- 19 years, 8,687 second-feet.

Extremes.- Maximum discharge during year, 83,700 second-feet May 9 (gage height, 17.27 

reet); minimum daily, 2,200 second-feet Dec. 29 to Jan. 6, Jan. 13-16; minimum gage 

height, l."63 feet Oct. 1.

1922-23, 1928-47: Maximum discharge, 88,000 second-feet (revised) June 1, 1923 

(gage height, 17.3 feet); minimum, 798 second-feet Dec. 8, 1929 (gage height, -0.08 

foot) .

Maximum stage known, 22.7 feet in June 1894, from floodmarks (discharge, 135,000 

second-feet, revised, from rating curve extended above 85,000 second-feet by logarithmic plotting). 

Remarks.- Records excellent except those for periods of ice effect, which are fair. No

diversion.

Revision.- Revised figures of discharge, in second-feet, for the high-water period in the 

water year 1923, sucerseding those published in Water-Supply Paper 572, ?re given 

herewith:

May 26 74,000 June 9 68,000 

June 1 88,000 10 64,000

3 83,000

Rating tables, water year 1946-47, except periods of ice effect 

(gage height, In feet, and discharge, In second-feet) 

(Shifting-control method used Aug. 11 to Sept. 30)

Oct. 1 to Mar. 21 Mar. 22 to Sept. 30

1.5 2,080 4.0 6,480 2.0 2, 

2.0 2,770 5.0 9,140 3.0 4, 

3.0 4,460 6.0 12,300 4.0 6, 

5.0 9, 

6.5 14,

Discharge, in second-feet, water year October

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

2,280 

2,550 

3,000 

3,080 

2,920

2,840 

2,770 

2,700 

2,770 

2,770

2,700 

2,620 

2,550 

2,700 

2,770

2,620 

2,550 

2,480 

2,410 

2,550

3,160 

3,660 

4,370 

4,560 

6,120

12,100 

11,000 

8,850 

7,460 

6,710 

6,260

Nov.

5,830 

5,420 

4,840 

4,560 

4,460

4,370 

4,280 

4,100 

4,010 

3,830

3,740 

3,480 

3,240 

3,080

3,160

3,080 

3,080 

3,400 

2,920 

2,700

2,700 

3,000 

3,500 

4,500 

5,200

5,300 

5,420 

5,420 

5,220 

4,740

Deo.

4,280 

4,100 

4,190 

4,100 

4,100

4,010 

3,830 

3,740 

3,740 

3,740

4,280 

4,250 

4,400 

4,650 

5,300

4 , 700 

4,100 

3,800 

3,800 

3,800

3,900 

4,000 

3,900 

3,800

3,600

3,400 

3,100 

2,600 

2,200 

2,200 

2,200

Jan.

2,200 

2,200 

2,200 

2,200 

2,200

2,200 

2,300 

2,400 

2,400 

2,500

2,600 

2,400 

2,200 

2,200 

2,200

2,200

2,300 

2,300 

2,300 

2,300

2,600 

3,000 

3,500 

4,000 

4,000

3,800 

3,600 

3,200 

3,000 

3 , 000 

2,900

Feb.

3,000 

3,200 

3,100 

3,200 

3,300

3,300 

3,100 

2,900 

2,700 

2,700

2,900 

3,100 

3,300 

3,800 

4,200

4,500 

4,400 

4,200 

4,100 

3,900

3,900 

3,700 

3,700 

3,600 

3,400

3,100 

2,800

2,600

UA«+K Second 

Month foot-days

Octo 

Nove 

Decs

Ca

Janu 

Febi 

Hare 

Apri 

Hay 

June 

Julji 

Augu 

Sept

Ha

mber ...................... 11

lendar year 194 

ary

5 .... ... 3.7S

£

93

JC

ember ..................... 1C

7,880 

2,580 

7,810

5,260

2,400 

5,700 

9,770 

1,040 

1,200 

2,900 

1,900 

1,410 

7,730

ter year 1946-47 .......... 4,162,320

Mar.

2,500 

2,400 

2,300 

2,300 

2,300

2,300 

2,400 

2,500 

2,700 

2,900

3,080 

2,920 

2,770 

2,700

2,700

2, 770

3,080 

3,480 

4,280 

4,840

5,420 

6,420 

7,380 

7,130 

6,650

6,420 

5,970 

5,970 

6,420 

7,130 

7,640

Maximum

12,100 

5,830 

5,300

65,900

4,000 

4,500 

7,640 

45 , 800 

77,400 

43,200 

17,800 

7,130 

4,560

77,400

Apr.

8,190 

8,780 

9,090 

9,400 

8,780

8,190 

7,640 

7,380 

7,640 

8,190

8,190 

8,190 

8,480 

10,200 

14,300

15,800 

17,000 

19.400 

21,200 

23,100

23,100 

21,700 

19,900 

19,000 

19,400

21,700 

27,800 

37,700 

45,800 

45,800

880 8.0 20 

560 10.0 31 

650 12.0 43 

400 14.0 57 

600 17.0 81

1946 to September

May

37,700 

34,100 

47,300 

56,300 

59,100

59,100 

57,700 

62,000 

77,200 

77,400

65,200 

57,000 

52,800 

50,000 

44,500

40,700 

38,300 

36,500 

34,700 

34,700

37,100 

37,100 

34,700 

34,700 

37,700

43,200 

47,200 

41,900 

35,900 

34,100 

35,300

Minimum

2,380 

2,700 

2,200

1,500

2,200 

2,600 

2,300 

7,380 

34,100 

18,600 

5,540 

3,350 

2,960

2,200

June

38, 

40, 

38, 

36, 

35,

35, 

34, 

31,

34, 

43,

41, 

37, 

35, 

36, 

34,

30, 

30, 

31, 

31, 

30,

26, 

24, 

22, 

22, 

22,

23, 

23, 

22, 

20, 

18,

Mean

4,125 

4,086 

3,800

10,400

2,658 

3,418 

4,186 

17,030 

46,490 

31,100 

11,350 

4,562 

3,591

11,400

300 

100 

900 

500 

900

300 

100 

700 

700 

200

900 

700 

900 

500

100

500 

000 

100 

700 

000

700 

100 

BOO 

100 

100

100 

100 

100 

300 

600

,800

,1OO 

,200

,000 

,000

1947

July

17,400 

17,400 

17,800 

17,800 

17,000

16,600 

16,200 

15,800 

15,400 

14 , 600

14,300 

13,500 

12,400 

11,700

11,400

10,700 

10,000 

9,400 

8,780 

8,480

8,190 

7,910 

7,640 

7,380 

7,130

6,890 

6,650 

6,190 

5,970 

5,750 

5,540

Per 

square 

mile

0.929 

.920 

.856

2.34

.599 

.770 

.943 

3.84 

10.5 

7.00 

2.56 

1.03 

.809

2.57

Note.- Stage-discharge relation affected by Ice Nov. 21-26, Dec. 12, 13, Dec.

Aug.

5,340 

5,340 

5,140 

4,940 

4,940

4,750 

4,660 

4,470 

4,380 

4,200

4,110 

4,020 

4,020 

3,940 

3,760

3,760 

3,760 

3,680 

3,510 

3,350

3,350 

3,760 

5,900 

7,130 

6,420

5,750 

5,140 

4,750 

4,470 

4,290 

4,380

Sept.

4,200 

4,020 

3,850 

3,680 

3,510

3,350 

3,350 

3,350 

3,430 

3,430

3,430 

3,350 

3,190 

3,030 

2,960

3,030 

3,030 

3,030 

3,030 

3,110

3,030 

3,270 

3,940 

4,380 

4,560

4,470 

4,380 

4,290 

4,110 

3,940

Runoff

Inches

1.07 

1.03 

.99

31.79

.69 

.80 

1.09 

4.28 

12.11 

7.81 

2.95 

1.19 

.90

34.91

15 to Ma

Aq re-feet

253,600 

243,100 

233,700

7,529,000

163,400 

189,800 

257,400 

1,014,000 

2,859,000 

1,850,000 

698,000 

280,500 

213,700

8,256,000

r. 10.
252 FEND OREILLE RIVER BASIN 

Flathead Lake at Somers, Mont.

Location.- Water-stage recorder, lat. 48°04', long. 114°13' , in Nfi£ sec. 26, T. 27 N., R.

 L'l W., at steamboat dock at Somers. Datum of gage is at mean sea level (Somers datum).

Records available.- April 1922 to September 1947.

Extremes.- Maximum elevation during year, 2,893.36 feet (regulated) July 14; minimum,

 a.ayy.57 feet (regulated) Mar. 19.

1922-47: Maximum elevation, 2,896.26 feet June 19, 1933; minimum, 2,881.07 feet 

Dec. 5, 1936.

Remarks.- Since April 1938 lake elevation has been subject to regulatior by Kerr Dam,

 4 miles below outlet. Some diversion and regulation above Flathead lake.

Elevation, in feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

91.52

91.63

91.64

91.61

91.56

91.56

91.55

91.56

91.53

91.49

91.48

91.46

91.43

91.39

91.37

91.37

91.35

91.34

91.32

91.31

91.29

91.32

91.33

91.35

91.40

91.50

91.61

91.76

91.85

91.93

91.99

Nor.

92.03

92.06

92.08

92.10

92.12

92.14

92.15

92.17

92.17

92.17

92.17

92.18

92.18

92.17

92.16

92.15

92.13

92.03

92.02

92.02

92:00

91.99

92.01

92.04

92.05

92.08

92.09

92.10

92.14

92.14

-

Dec.

92.14

92.17

92.12

92.07

91.99

91.96

91.88

91 . 83

91.76

91.71

91.62

91.55

91.53

91.52

91.49

91.45

91.40

91.34

91.28

91.23

91.18

91.10

91.00

90.88

90.78

90.69

90.51

90.42

90.27

90.12

90.03

Jan.

89.89

89.74

89.60

89.46

89.32

89.23

89.10

88.99

88.95

88.86

88.77

88.67

88.62

88.52

88.44

88.34

88.30

88.18

88.18

88.05

87.95

87.91

87.80

87.80

87.68

87.64

87.60

87.56

87.47

87.43

87.35

Feb.

87.28

87.28

37.20

87.12

87.07

86.97

86.85

86.76

86.66

86.54

86.44

86.37

86.29

86.21

86.10

86.02

85.93

85.84

85.75

85.66

85.60

85.48

85.39

35.30

85.17

85.06

84.96

84.84

-

-

-

Mar.

84.73

84.63

84.52

84.42

84.33

84.24

84.16

84.09

84.04

83.98

83.94

83.88

83.82

83.76

83.71

83.68

83.64

83.62

83.60

83.60

83.62

83.65

83.67

83.75

83.77

83.80

83.83

83.85

83.86

83.90

83.97

Apr.

84.01

84.05

84.08

84.20

84.27

84.32

84.39

84.40

84.44

84.50

84.54

84.54

84.57

84.58

84.65

84.77

84.88

85.10

85.27

85.45

85.64

85.82

85.98

86.10

86.21

86.30

86.46

86.68

87.07

87.50

-

May

87.87

88.14

88.34

88.72

89.18

89.66

90.14

90.56

91.11

91.71

92.27

92.73

93.00

93.14

93.20

93.20

93.10

92.97

92.83

92.67

92.49

92.38

92.27

92.14

91.99

91.93

91.93

92.03

91.99

91.89

91.81

June

91.78

91.76

91.76

91.74

91.68

91.64

91.57

91.49

91.55

91.59

91.64

91.67

91.66

91.65

91.59

31.50

91.43

91.33

91.33

91.46

91.55

91.58

91.62

91.75

91.95

92.23

92.52

92.70

92.68

92.57

-

July

92.43

92.32

92.30

92.40

92.57

92.73

92.82

92.84

92.85

92.86

92.92

92.94

92.93

92.90

92.89

92.85

92.86

92.88

92.86

92.78

92.80

92.85

92.86

92.86

92.87

92.85

92.89

92.91

92.89

92.84

92.85

Aug.

92.92

92.98

92.92

92.91

92.90

92.85

92.82

92.87

92.86

92.83

92.85

92.84

92.82

92.32

92.80

92.78

92.80

92.83

92.80

92.76

92.77

92.87

93.00

92.98

93.02

92.98

92.93

92.92

92.90

92.87

92.88

S«pt.

92.82

92.79

92.81

92.78

92.76

92.71

92.70

92.72

92.67

92.66

92.65

92.64

92.57

92.56

92.56

92.55

92.49

92.48

92.52

92.52

92.50

92.49

92.49

92.50

92.53

92.58

92.62

92.61

92.64

92.65

-

Monthly elevation and contents, water year October 1946 to September 1947

Date

Sept 

Oct. 

Nov. 

Dec.

Ca

Jan. 

Feb. 

Mar. 

Apr. 

May 

June 

July 

Aug. 

Sept

Wa

lendar year 1946. . . . 

31.................

28.. ...............

31 .................

ter year 1946-47. .. .

Elevation 

(feet)t

2,891.56 

2,892.00 

2,892.15 

2,889.94

-

2,884.79 

2,883.98 

2,887.64 

2,891.81 

2,892.50 

2,892.90 

2,892.84 

2,892.67

-

Contents 

(aore-feet)t

1,610,000 

1,665,000 

1,684,000 

1,410,000

-

1,092,000 

785,000 

688,300 

1,128,003 

1,641,000 

1,728,000 

1,778,000 

1,771,000 

1,749,000

-

Change In contents 

during month 

(acre-fe?t)

+55,000 

+19,000 

-274,000

-64,000

-318,000 

-307,000 

-96,700 

+439,700 

+513,000 

+87,000 

+50,000 

-7,000 

-22,000

+139,003

t Elevations are average of dally mean 

first 2 days of following month.

* Contents above elevation 2,878 feet.

of lasb 2 days of each month and
PEND OREILLE RIVER BASIN 253

Flathead River near Poison, Mont.

Location.- ufater-stage recorder, lat. 47°41' , long. 114°15 I , in NW^SW^ sec. 11, T. 22 N. , 

K. 21 W., half a mile downstream from Kerr Dam and 6 miles downstream frcm Poison.

Drainage area.- 6,990 square miles.

Records available.- July 1907 to September 1947.

Average discharge.- 40 years, 11,096 second-feet.

Extremes.- Maximum discharge during year, 56,000 second-feet May 15 (gage height, 16.73 

feet); minimum, 396 second-feet (regulated) July 26 (gage height, 0.11 feet); minimum 

daily, 3,180 second-feet Oct. 27.

1907-47: Maximum discharge, 82,100 second-feet May 29, 30, 1928 (gage height, 17.1 

feet, site and datum then in use); minimuta, probably less than 5 second-feet (regulated) 

Apr. 13, 1938; minimum daily, 32 second-feet (regulated) Apr. 12, 1938.

Remarks.- Records excellent. Several small diversions from tributaries above Flathead 

LakeT Flow regulated since April 1938 by Flathead Lake (see preceding page).

Rating table, water year 1S46-47 (gage height, in feet, 

and discharge, in second-feet)

3.0 3,100 

3.5 3,890 

4.0 4,760 

5.0 6,710 

6.0 8,970

Discharge, in second- feet.

Day

1 

2 

3 

4 

5

6 

7 

8 

9

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

4,320 

4,320 

4,320 

4,320 

4,230

4,320 

4,230 

4,320 

4,320 

4,320

4,320 

4,320 

4,230 

3,970 

4,320

4,320 

4,320 

4,320 

4,320 

4,320

3,890 

4,140 

4,320 

4,230 

4,060

4,060 

3,180 

3,590 

4,140 

4,060 

3,870

Nov.

3,890 

3,880 

3,810 

3,800 

4,320

4,320 

4,320 

4,320 

4,320 

4,320

4,400 

4,320 

4,400 

4,400 

4,400

5,050 

5,700 

5,510 

5,510 

5,510

5,510 

5,510 

5,320 

4,400 

5,320

5,130 

5,320 

5,130 

5,000 

5,210

Month

Octo 

Move 

Dece

Cal

Janu 

Febr 

Marc 

Apri 

May

June 

July 

Augu 

Sept

Wat

endar year 1946

h.. .............

ember ...........

er year 1946-47

Dec.

4,940 

6,110 

8,480 

9,220 

9,480

9,480 

9,480 

8,720 

9,220 

9,220

9,220 

9,220 

9,220 

9,220 

8,480

8,970 

8,970 

9,220

8,970 

9,220

10,800 

11,700 

12,000 

12,300 

11,100

12,000 

12,000 

12,300 

12,000 

12,000 

11,700

Jan.

11,700 

11,700 

11,400 

11,100 

11,100

11,100 

11,100 

10 , 300 

9,220 

8,970

8,970 

8,970 

8,720 

8,720 

8,720

8,480 

8,480 

8,480 

8,480 

8,240

8,240 

8,240 

8,240 

8,010

8,010

8,010 

8,010 

8,010 

8,010 

7,780 

7,780

7.0 11,700 12.5 33,100 

8.0 14.800 14.0 40,400 

9.0 18,200 16.5 54,800 

10.0 22,000 

11.0 26,200

water year October 1945 to September 1947

Feb.

7,780 

7,560 

7,560 

7,780 

8,720

9,740 

9,740 

9,480 

9,480 

9,480

9,480 

9,220 

8,970 

9,480

10 , 000

9,740 

9,740 

10,000 

10,600 

10,600

10,800 

11,100 

10,800 

11 , 100 

11,700

11,100 

10,600 

10,600

Observed

Discharge in 

seoond-feet

Maximum

4,320 

5,700 

12,300

48 , 700

11,700 

11,700 

10,300 

23,200 

54,800 

46,400 

30,300 

10,600 

6,920

54,800

Minimum

3,180 

3,800 

4,940

3,180

7,780 

7,560 

6,500 

6,960 

25,300 

10,600 

4,230 

4,140 

4,490

3,180

Mean

4,172 

4,745 

9,837

12,610

9,106 

9,748 

7,685 

12,410 

45,570 

36,330 

12,730 

5,873 

5,018

13,620

Mar.

10,300 

10,000 

9,740 

9,480 

8,970

8,720 

8,480 

8,240 

8,010 

7,780

7,780 

7,560 

7,340 

7,130 

7,130

6,920 

7,130 

6,710 

6,710 

6,710

6,500 

6,500 

6,710 

6,920 

7,130

7,130 

7,340 

7,130 

7,340 

7,130 

7,560

Runoff 

in 

acre-feet

256,500 

282,300 

604,900

9,130,000

559,900 

541,400 

472,500 

738,300 

2,802,000 

2,162,000 

782,500 

361,100 

298,600

9,862,000

Apr.

7,780 

8,010 

8,240 

6,960 

8,010

8,480 

8,720 

8,720 

8,720 

8,720

8,970 

9,480 

10,000 

10 , 300 

10,300

10,800 

11,100 

12,000 

12,600 

13,600

14,500 

15,800 

16,200 

16,800 

17,200

17,900 

18,600 

19,700 

20,800 

23,200

May

25,300 

27,100 

28,500 

30,300 

33,100

35,500 

37,900 

39,900 

42,400 

45,800

49,400 

51,800 

53,600 

54,200 

54,800

54,809 

54,200 

53,600 

53,000 

51,800

51,200 

50,600 

50,000 

48,800 

48,200

47,600 

48,200 

48,200 

48,200 

47 , 600 

47,000

Change In

contents in 

Flathead 

Lake 

(acre-feet)

+55,000 

+19,000 

-274,000

-64,000

-318,000 

-307,000 

-96,700 

+439,700 

+513,000 

+87,000 

+50 , 000 

-7,000 

-22,000

+139,000

June

46,400 

46,400 

46,400 

46,400 

45,800

45,800 

45,200 

44,600 

44,600 

44,600

45,800 

45,800 

45,800 

45,200 

45,200

44,600 

44,600 

41,400 

31,700 

28 , 500

28,900 

29,400 

22,800 

16,800 

11,700

10,600 

11,100 

22 , 200 

30,800 

30,800

July

30,300 

25,300 

19,000 

11,900 

8,970

10,400 

15,800 

18,600 

17,500 

15,500

14,800 

14.800 

15,800 

16,500 

15,200

12,800 

9,480 

12,700 

14,200 

10,500

8,970 

7,850 

9,600 

8,200 

9.740

5,800 

7,170 

8,480 

8,480 

5,930 

4,230

Aug.

4,400 

5,870 

7,560 

7.130 

6,920

6,500 

5,900 

4,940 

4,490 

4,490

5,130 

5.&00 

5,510 

5,510 

4,940

4,400 

4,400 

4,400 

4,400 

4,400

4,140 

4,490 

4,490 

4,490 

7.660

10,600 

8,810 

7,560 

7,500 

7,560 

7,560

Sept.

6,920 

6,300 

5,700 

5,130 

5,130

5,130 

5,130 

5,130 

5,130 

5,130

5,130 

5,130 

5,130 

5,130 

5,130

5,130 

5,130 

4,940 

4,580 

4,580

4,580 

4,490 

4,580 

4,580 

4,580

4,580 

4,580 

4,580 

4,580 

4,580

Adjusted for change in 

reservoir contents

Runoff 

in 

acre-fee

Discharge in 

second-feet

t Per 

1 Mean square

mile

311,500 5,063 

301.300 5.064 

330,900 5,38^

9,066,000 12,520

241,900 3,931 

234,400 4,221 

375,800 6,112 

1,178,000 19,800 

3,315,000 53,910 

2,249,000 37,800 

832,500 13,540 

354,100 5,759 

276,600 4,648

1.0,000, 000 13,810

Runoff

inches

Mote.- Change in contents in Plathead Lake based on average of mean elevations at Sobers of last 

days of each month and first 2 days of following month.
254 PEND OREILtE RIVER BASIN

Middle Fork Flathead River at Essex, Mont.

Location.- Water-stage recorder, lat. 48°16', long. 113°36', In SW^ sec. 14, T. 29 N., R. 

Ib w., 0.6 mile upstream from Ole Creek, 0.7 mile southeast of Essex, and 4 miles 

downstream from Bear Creek.

Drainage area.- 517 square miles.

Records available.- October 1939 to September 1947.

Extremes.- Maximum discharge during year, 11,200 second-feet May 9 (gage height, 9.84 

feetJ; minimum daily, 194 second-feet Oct. 1.

1939-47: Maximum discharge, that of May 9, 1947; minimum, 17 second-feet .Tan. 11, 

1941 (gage height, 1.30 feet), caused by ice 1am upstream.

Remarks.- Records good exceot those for periods of ice effect or no gage-height record, 

which are poor. No regulation or diversion.

Rating tables, water year 1946-47, except periods of Ice effect 

(gage height, in feet, and discharge, in aecond-feet)

Oct. 1-26 Oct. 27 to Sept. 30

2.2 183 3.8 780 2.3 190 3 

2.4 238 4.2 1,250 2.5 254 4 

2.8 368 4.7 1,740 2.8 371 4 

3.2 545 3.2 555 5

Discharge, In second-feet, water year October

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

194 

247 

290 

262 

247

241 

235 

230 

241 

241

230 

227 

224 

244 

244

230 

218 

221 

221 

232

319 

368 

424 

416 

f995

fl,740 

fl,240 

f975 

860 

769 

682

Nov.

634 

577 

505 

478 

478

47S 

464 

446 

428 

415

402 

342 

317 

342 

358

b350 

3330 

b320 

3310 

a300

a300 

b320 

b400 

b500

beoo

b650 

b650 

b600 

b500 

b450

Dec.

b400 

b390 

b4OO 

424 

428

415 

402 

397 

384 

384

487 

"482 

a 500 

540 

b600

b500 

b430 

3420 

a420 

a430

446 

451 

415 

402 

389

a380 

a360 

a320 

3280 

b270 

a250

Jan.

a240 

3240 

3250 

o26O 

3270

a290 

b3lO 

b330 

b340 

b350

b340 

b330 

bSOO 

b280 

a270

a270 

b270 

b280 

b290 

b30O

b310 

b320 

b320 

329 

329

321 

272

3260 

a240 

a240 

b230

Feb.

3230 

3240 

b260 

b280 

*b290

b280 

b270 

b240 

b230 

b240

b260 

b300 

b340 

b360 

b360

b350 

350 

350 

329 

313

310 

298 

290 

286 

265

244 

b230 

b220

Month SecondMonth foot-days

Octo 

Hove 

Oece

Ca

Janu 

Febr 

Marc 

Apri 

May 

June 

Julj 

Augu 

Sept

Wa

mber ......................

13,507 

13,244 

12,796

lendar year 1946 ......... 402,797

h

1 ................ ...... .

st ........................

ember .....................

8,981 

8,015 

11,950 

59,562 

81,160 

00,140 

27,737 

10,045 

7,632

ter year 1945-47 .......... 454,769

Mar.

b220 

b2lO 

b210 

b200 

b200

b200 

b200 

b200 

b200 

b200

b2lO 

218 

212 

209 

218

238 

276 

350 

433 

5OO

550 

718 

750 

694 

610

555 

525 

530 

616 

736 

762

Maximum

1,740 

650

600

6.94O

350 

360 

762 

6,540 

10,700 

4,820 

1,540 

411 

329

10,700

Apr

743 

762 

802 

814 

776

718 

676 

730 

724 

769

736 

700 

762 

1,140 

1,540

1,690 

1,940 

2,360 

2,490 

2,690

2,620 

2,300 

2,OfiO 

2,000

2,180

2,860 

4,130 

5,750 

6,540 

5,560

6 ' 795 6.5 4,130 

2 1,240 7.E 5,940 

8 1,790 8.5 8,040 

5 2,620 9.6 10,700

1946 to September 1947

May

4 

4

f7 

8 

8

7 

7 

8 

10 

8

7 

6 

6 

5 

5

5 

4 

4 

4 

4

5 

4 

4 

4 

4

5 

f 

4 

3

3 

4

Minimum

194 

300 

250

110

230 

220 

200 

676 

3,800 

1,540 

428 

250 

221

194

* Winter discharge measurement made on this day.

,220 

,640 

,380 

,04O 

,270

,380 

,380 

,500 

,70O 

,730

170 

340 

140 

940 

180

000 

640 

640 

470 

640

180 

K40 

130 

300

820

750 

140 

820 

880 

800 

300

June

4,640 

4,820 

4,470 

4,130 

3,960

3,960 

3,560 

3,400 

4,040 

4,820

4,470 

4,130 

4,130 

4,220 

3,640

3,330 

3,480 

3,480 

3,480 

3,110

2, 20 

2,360 

2,180 

2,120 

2,180

2,120 

2,120 

1,890 

1,740 

1,540

Mean

436 

441 

413

1,104

290 

286 

385 

1,985 

5,844 

3,338 

895 

324 

254

1,246

July

1,500 

1,540 

1,540 

1,500 

1,410

l,3fO 

1,3-0 

hl,2fO 

al,210 

=il,140

1,060 

1,OCO 

923 

874 

834

788 

736 

694 

664

fi28

610 

599 

583 

555 

533

525 

493 

473 

460 

442 

4213

Per 

square 

mile

0.843 

. 852 

.799

2.14

.561 

.553 

.745 

3.84 

11.3 

6.46 

1.73 

.627 

.491

2.41

Aug

411 

402 

393 

389 

375

367 

354 

34? 

329 

325

317 

321 

333 

317 

302

298 

302 

286 

272 

268

286 

321 

393 

f37l 

f329

f310 

f290 

f272 

a2E5 

3255 

a250

Sept

a240 

a240 

3235 

h234 

3230

a230 

a240 

3240 

241 

241

234 

228 

221 

221

221

241 

247 

244 

244 

251

251 

283 

317 

329 

317

302 

294 

283 

272 

261

Runoff

Inches

0.97 

.95 

.92

S8.96

.65 

.58 

.86 

4.28 

13.03 

7.21 

1.99 

.72 

.55

32.71

Acre-feet

26,790 

26,270 

25,380

798,900

17,810 

15,900 

23,700 

118,100 

359,300 

198,600 

55,020 

19,920 

15,140

901 , 900

3 No gage-height record; dischsrge computed on basis 

ststions on Plathead Ri"er.

b Stsge-discharge relstlon affected by ice.

f Computed from partly estimated gage-height record.

h Computed from staff-gage readings.

f weather records and records for other
FEND OREILLE RIVER BASIN 255

Middle Pork Flathead River at Belton, Mont.

Location - Staff gage, lat. 48°30'00", long. 113°58<30", in NW£ sec. 36, T. 32 N. , R. 19

W. , at Belton, half a mile upstream from highway bridge and 2 miles upstream from

McDonald Creek.

Drainage area.- 950 square miles. 

Keeoras available.- October 1910 to September 1923, February 1929 to June 1933, August

1H43 to November 1947 (discontinued). 

Extremes.- Maximum discharge observed October 1946 to November 1947, 22,900 second-feet

May y (gage height, 12.60 feet); minimum daily, 450 second-feet Dec. 30, 31, Jan. 1-6,

13-16.

1910-23, 1929-33, 1943-47: Maximum discharge observed, 49,000 second-feet June 21,

1916 (gage height, 20.0 feet); minimum observed, 115 second-feet Mar. 1, 1929. 

Remarks. - Records good except those for Nov. 18, 1946, to Apr. 15, 1947, wMch are poor.

Gage read once daily. No diversion or regulation.

Discharge, in second-feet, 1946-47

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

560

615

675

708

675

675

615

675

675

645

615

588

560

615

645

615

588

465

488

708

775

810

1,220

2,860

3,410

4,320

3,270

2,860

2,730

2,000

1,790

Nov.

1,590

1,490

1,400

1,310

1,220

1,220

1,130

1,130

1,040

1,040

1,040

920

810

810

845

810

810

b700

a 600

a550

a550

a600

a700

3800

3900

31,000

31,100

31,150

al,-150

al,150

-

Dec.

1,130

1,130

1,130

1,040

1,040

1,040

960

960

960

1,000

1,100

1,000

1,200

 1,310

1,150

1,050

900

850

-850

850

900

900

850

850

800

750

700

600

500

450

450

Jan.

450

450

450

450

450

450

500

500

500

600

600

500

450

450

450

450

500

500

500

500

600

650

700

850

850

850

800

750

700

650

600

Feb.

650

700

700

700

*625

600

550

500

500

500

550

600

650

700

800

850

900

850

900

850

800

800

850

800

750

700

600

550

_

_

-

Mar.

500

500

500

500

500

500

500

550

600

650

650

650

600

600

600

6*0

700

900

1,000

1,200

1,350

1,500

1,800

1,800

1,600

1,400

1,100

900

1,400

1,500

1,900

Apr.

1,950

2,000

2,100

2,100

1,900

1,800

1,700

1,600

1,600

1,900

1,800

1,700

2,000

2,500

3,000

3,850

4,480

5,670

5,850

6,430

6,040

5,850

4,800

4,480

4,320

5,670

8,500

10,300

13,100

12,100

-

May

9,840

11,000

12,300

14,800

16,000

14,000

14,200

16,300

22,900

17,500

14,400

12,900

12,000

9,100

8,600

8,200

8,200

8,000

7,800

8,000

8,850

9,100

8,400

8,000

9,350

8,850

8,600

8,200

8,000

8,400

8,600

June

8,850

8,850

8,200

8,600

8,000

7,400

7,800

7,800

8,000

8,000

8,600

8,200

8,000

7,400

7,200

7,000

7,000

6,800

6,600

6,600

6,200

6,000

5,350

5,350

5,350

5,200

5,050

4,900

4,600

4,450

-

July

3.88C

3,88C

3,88C

3,740

3,600

3,880

3,740

3,740

3,600

3,600

3,600

3,600

3,460

3,180

3,050

2,680

2,450

2,230

2,340

2,230

2,010

1,900

1,900

1,800

1,800

1,600

1,600

1,600

1,600

1,600

1,600

Aug.

1,600

1,410

1,410

1,410

1,410

1,410

1,320

1,060

1,020

1,020

1,020

1,020

945

945

945

910

910

910

910

875

910

1,500

1,900

1,900

1,800

1,800

1,700

1,800

1,900

1,900

1,800

Sept.

1,500

875

875

840

808

808

808

775

775

715

715

715

685

685

685

685

600

575

575

550

775

840

945

1,230

1,230

1,060

980

980

875

^08

-

9 No gage-height record; discharge computed on basis of records for other stations on Flathead 

River.

Note^- Doubtful gage-height record Nov. 18, Dec. 10-13, Dec. 15 to Apr. 15 (stage-discharge 

relation affected by ice during most of period); discharge computed on basis of 2 dischsrge 

measurements, weather records, and records for other stations on Flathead River.

Day

1

2

3

4

5

6

7

8

Oct.

775

715

1,020

1,320

1.230

1,230

1,320

1,320

Nov.

,500

,500

,500

,410

,230

,230

1,230

1,140

Day

9

10

11

12

13

14

15

16

Oct.

1,410

1,320

1,320

1,230

1,230

1,060

1,320

1,410

Nov.

1,060

980

945

945

945

910

875

Day

17

18

19

20

21

22

23

24

Oct.

1,410

2,230

3,600

5,350

6,000

4,900

4,450

3,460

Nov.

_

_

_

_

_

_

_

-

Day

25

26

27

28

29

30

31

Oct.

3,050

2,920

2,560

1,700

1,700

1,600

1,6CO

Nov.

t656

_

_

_

_

_

t Result of discharge messurement.

Monthly dischsrge, in second-feet, 1946-47

Month

December ......................

Calendar year 1946 .........

May ...........................

September .................... \

Water year 1946-47 ..........

November 1-15. ...... ..........

Secondfoot-days

38,450 

29,565 

28 , 400

913,638

17,700 

19,525 

29,100 

131,090 

340,390 

207,350 

85,370 

41.370 

24,972

993,282

65,760 

17,400

Maximum

4,320 

1,590 

1,310

14,800

850 

900 

1,900 

13,100 

22 , 900 

8,850 

3,880 

1,900 

1,500

22,900

6,000 

1,500

Minimum

465 

550 

450

380

450 

500 

500 

1,600 

7,800 

4,450 

1,600 

875 

550

450

715 

875

Mean

1,240 

986 

916

2,503

571 

697 

939 

4,370 

10,980 

6,912 

2,754 

1,335 

832

2,721

2,121 

1,160

Per 

square 

mile

1.31 

1.04 

.964

2.63

.601 

.734 

.988 

4.60 

11.6 

7.28 

2.90 

1.40 

.876

2.86

2.23 

1.22

Runoff

Ii ches

1.51

1.16 

1.11

35.76

.69 

.76 

1.14 

5.13 

13.37 

8.12 

3.34 

1.61 

.98

38.92

2.57 

.68

Acre- feet

76,260 

58,640 

56,330

1,812,000

35,110 

38,730 

57,720 

260,000 

675,200 

411,300 

169,300 

82,060 

49,530

1,970,000

130,400 

34,510
256 PEND OREILLE RIVER BASIN

Middle Pork Plathead River near Belton, Mont.

Location.- Staff gage, lat. 48°29'50", long. 114°00'30", in NE^ sec. 34, T. 32 N., R. 19 

W., three-quarters of a mile downstream from McDonald Creek, H miles west of Belton, 

and 3? miles upstream from mouth.

Drainage area.- 1,140 square miles.

Records available.- October 1939 to September 1947.

Extremes.- Maximum discharge observed during year, 23,600 second-feet May 9 (gage height, 

9.80 reet from floodmark); minimum daily, 550 second-feet Dec. 29 to .Tan. 6.

1939-47: Maximum discharge observed, that of May 9, 1947; minimum observed, 232 

second-feet Jan. 21, 1940 (gage height, 1.08 feet).

Remarks.- Records good except those for periods of ice effect or doubtful or no gageheight record, which are fair. No regulation or diversion. Gage read once daily.

Rating table, water year 1946-47, except period of lee effect 

(gage height, in feet, and discharge In second-feet)

1.6 550 3.5 3,070 6.0 10,600 

2.0 870 4.0 4,320 8.0 17,400 

2.5 1,420 4.5 5,750 9.8 "23,600 

3.0 2,120 5.0 7,310

Discharge, in seoond-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4

5

6 

7 

8

9 

10

11 

12 

13 

14 

15

16 

17 

18

19 

20

21 

22 

23 

24 

25

26 

87 

28 

29 

30 

31

Oct.

a610 

a660 

a860 

a870 

a800

a800 

a780 

a740 

a790 

a790

a760 

740 

740 

740 

700

700 

700 

700 

700 

700

970 

1,120 

1,240 

1,360 

1,750

a4,200 

3,540 

3,070 

2,460 

2,120 

1,900

Nov.

1,820 

1,820 

1,550 

1,420 

1,420

1,420 

1,300 

1,240 

1,180 

1.1BO

1,070 

970 

970 

920 

920

870 

870 

870 

780 

700

700 

800 

950 

J.150 

1,250

1,300 

1,360 

1,420 

1,360 

1,420

Dec.

1,360 

1,180 

1,180 

1,120 

1,120

1,070 

1,070 

1,020 

1,180 

1,120

1,360 

1,300 

1,300 

*1,300 

1,350

1,250 

1,100 

1,000 

1,000 

1,000

1,050 

1,050 

1,000 

1,000 

950

900 

850 

700 

550 

550 

550

Jan.

550 

550 

550 

550 

550

550 

575 

600 

600 

fi25

650 

600 

550 

550 

55O

550 

575 

575 

575 

575

650 

750 

8OO 

970 

970

970 

970 

870 

825 

780 

740

Feb.

740 

780 

780 

*780 

780

780 

700 

650 

600 

600

625 

650 

700 

800 

900

1,000 

1,070 

1,020 

1,070 

1,020

970 

970 

1,020 

970 

950

850 

750 

650

ifc-nth SecondMontB foot-days

Octo 

Hove

Dece

Ca

Jami 

Febi 

Marc 

Apr! 

May 

June 

July 

Augu 

Sept

Wa

nber ......................

lendar year 1946 

i&ry

38,610 

35,000 

32,530

.... .. 1,130,620

iiary . ..... ....

i .:....................... i ..................... 3

............. 2

..................... 1

St ........................

enber .....................

20,745 

23,175 

34,160 

17,230 

94,030 

57,620 

38,820 

18,430 

32,350

ter year 1946-47 .......... 1,172,700

Mar.

600 

600 

600 

600 

600

600 

625 

650 

700 

750

780 

780 

740 

740 

700

740 

825 

1,020 

1,120 

1,420

1,480 

1,750 

2,120 

2,120 

1,970

1,680 

1,300 

1,070 

dl,680 

1,680 

2,120

Maximum

4,200 

1,820 

1,360

18,500

970 

1,070 

2,120 

14,700 

20,800 

10,600 

5,450 

2,460 

1,970

20,800

Apr.

2,280 

2,280 

2,460 

2,460 

2,280

2,120 

2,120 

1,970 

1,970 

2,280

2,120 

2,120 

2,460 

3,300 

3,790

4,3i;0 

4,870 

5,750 

d6,050 

6,670

6,360 

6,050 

5,750 

5,450 

5,450

5,450 

8,950 

12,400 

14,700 

13,000

May

9,970 

8,620 

15,400 

16,800 

17,400

17,100 

16,100 

17,400 

20,800 

20,800

16,800 

15,800 

15,400 

14,000 

13,700

10.3OO 

10,300 

9,970 

9,970 

9,630

9,970 

10,300 

d9 , 500 

d9 , 000 

dlO.OOO

d!2,000 

dlO.OOO 

d9 , 500 

d9,000 

d9,000 

d9,500

June

dlO.OOO 

dlO,200 

dlO.300 

dlO,200 

dl 0,000

d9,600 

d9,400 

d9,000 

d9,000 

d9,5oO

dlO,000 

10,600 

10,300 

9,970 

9,630

9, £90 

8,950 

8,950 

8,620 

7,960

7,310 

7,310 

6,990 

6,990 

6,670

6,670 

6,360 

6,050 

6,050 

5,750

Minimum Mean

610 1,245 

700 1,167 

550 1,049

480 3,098

550 669 

600 828 

600 1,102 

1,970 4,908 

8,620 12,710 

5,750 8,587 

1,680 3,510 

1,070 1,562 

780 1,078

550 3,213

July

5, 

5, 

5,

5, 

5,

4, 

4, 

4, 

4, 

4,

4, 

4, 

4, 

3, 

3,

3, 

3, 

3, 

2, 

2,

2, 

2, 

2, 

2, 

2,

2, 

1, 

1, 

1, 

1, 

1,

Per 

square 

mile

1.09 

1.02 

.920

2.72

.587 

.726 

..967 

4.31 

11.1 

7.53 

3.08 

1.37 

.946

2.82

4 "50 

160 

160 

160 

160

870 

870 

590 

590 

590

3?0 

050 

050 

790 

540

300 

070 

070 

850 

8^0

8 SO 

850 

650 

4<>0 

280

120 

970 

970 

820 

680 

680

Aug.

1, 

1, 

1, 

1, 

1,

1, 

1, 

1, 

1, 

1,

1, 

1, 

1, 

1, 

1,

1, 

1, 

1, 

1,

1,

1, 

1, 

1, 

1, 

2,

2, 

2, 

2, 

2, 

2, 

2,

680 

550 

550 

550 

550

420 

300 

300 

300 

180

180 

180 

180 

070 

180

180 

180 

180 

180 

180

300 

420 

820 

820 

280

280 

460 

460 

280 

120 

120

Sept.

1,970 

1,680 

1,420 

1,300 

1,070

970 

970 

970 

970 

970

920 

870 

870 

870 

870

825 

825 

780 

780 

780

780 

970 

1,180 

1,300 

1,300

1,300 

1,180 

1,180 

1,180 

1,300

Runoff

Inches

1.26 

1.14 

1.06

36.94

.68 

.76 

1.11 

4.81 

12.80 

8.40 

3.55 

1.58 

1.06

38,21

Acre-feet

76,580 

69,420 

64,520

2,243,000

41,150 

45,970 

67,760 

292,000 

781,500 

511,000 

215,800 

96,060 

64,170

2,326,000

Winter discharge measurement made on this day.

a No gage-height record; discharge computed on basis of records for other stations on Plathead 

River.

d Doubtful gage-height record; discharge computed as explained in footnote a.

Note.- Stage-discharge relation affected by ice Nov. 21-26, Dec. 15 to Jan. 23, Feb. 7-16, Feb. 

25 to Mar. 10.
PEND OREILLE RIVER BASIN 257

Bear Creek near Essex, Mont.

Location.- Water-stage recorder, lat. 48°16'50", long. 113°25 I 30", near south line of sec. 

'/, T. 29 N., R. 14 W., three-quarters of a mile downstream from Autumn C--ee.k and 8-| 

miles northeast of Essex. Prior to Mar. 19, wire-weight gage at same site, and datum.

Drainage area.- 20.7 square miles.

Records available.- January 1946 to September 1947.

Extremes.- Maximum discharge during year, 623 second-feet May 2 (gage height, 2.87 feet); 

minimum observed, 7.0 second-feet Mar. 12-14.

1946-47: Maximum discharge, that of May 2, 1947; minimum, probably less than 7 second-feet at times during winter of 1946.

Remarks.- Records good except those for oeriod of ice effect or no gage-height record, 

which are poor. Wire-weight gage read onte daily Oct. 1 to Mar. 18. No diversions. 

Records collected in conjunction with Upper Columbia River Snow Laborato-y.

Cooperation.- Gage-height record and 12 discharge measurements furnished by Corps of 

Engineers.

Discharge, in second-fset, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

9.4

22

18

14

a!5

a!2

12

12

15

12

12

a!3

a!4

15

13

17

20

17

a20

a25

30

24

27

24

149

a8O

a40

b26

b2O

b!8

b!8

Nov.

b!9

a20

a22

b24

26

20

20

20

a20

a20

a20

b20

b20

b20

b!9

b!8

b!7

a!6

a!6

a!5

a!5

a!5

a!6

a!6

a!6

a!7

a!7

al8

18

17

-

Dec.

b!7

18

17

18

17

17

16

IB

16

14

b!5

*b!6

a!5

b!4

b!4

b!4

a!4

a!5

a!6

17

15

15

14

14

a!3

b!2

b!2

a!2

a!2

a!2

b!2

Jan.

b!2

a!2

a!2

a!2

a!2

a!2

a!2

a!2

a!2

a!2

12

11

bll

all

all

all

all

all

all

all

all

all

12

12

12

b!2

all

all

all

all

all

Month

October .......................

November ......................

December ......................

Calendar year 1945 .........

January .......................

February ......................

Iteroh ............. ...........

April .........................

May ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

*b!2

all

all

a 10

blO

10

blO

blO

blO

blO

blO

bll

12

13

14

14

16

12

15

18

10

*10

11

10

blO

b9.0

b9.0

b9.0

_

_

-

Secondfoot-days

761 . 4

557

460

12,908.0

356

317

435. 6

2,553

7 , 165 

3,203

811

506

424

17,549.0

Mar.

b9

b9

a9

a9

alO

alO

alO

alO

8.9

7.4

7.4

7,0

7.0

7.0

7.0

8.9

10

15

18

19

21

26

26

21

20

16

18

18

21

24

24

Maximum

14S

1£

235

12

1£

26

274

467

154

45 

29

23

467

Apr.

22

24

26

24

23

22

21

22

23

26

23

24

36

74

77

74

88

112

120

118

101

96

90

90

98

151

202

274

268

204

-

May

165

301

352

345

311

251

287

336

467

365

312

280

271

236

200

197

188

186

174

174

178

160

151

152

167

186

181

156

143

142

151

Minimum

9.4

15

12

.

11

9.0

7.0

21

142 

48

18

14

10

7.0

June

152

151

147

143

140

135

124

121

143

152

154

143

142

137

120

111

106

100

93

85

79

68

64

61

58

57

58

58

53

48

-

Mean

24 . 6

18 . 6

14.8

35.4

11.5

11.3

14.1

85 . 1

231 

107

16~3

14.1

48.1

July

45

42

40

33

37

35

3Z

3C

3C

23

2S

27

2e

24

23

22

ZZ

21

21

2C

2C

a2C

20

2C

2C

21

20

20

19

19

If

Per 

square 

mile

1.19

899

^715

1.71

.556

.546

. 681

4.11

11.2 

5.17

1.27

.681

2.32

Aug.

a 18

a!8

a!8

18

16

16

16

16

15

15

a!5

16

15

a!5

a!5

a!5

a!4

a!4

14

14

15

a!8

29

23

19

16

15

a!5

a!5

14

a 14

Sept.

a!4

14

13

12

13

12

12

12

12

12

12

10

10

11

11

11

11

11

12

14

15

20

23

21

20

19

18

17

16

16

-

Runoff

Inches Acre-feet

1.37 1,510

1 . 00 1 , 100

.82 912

23.18 25,610

.64 7O6

.57 629

.79 864

4.59 5,O60

12.91 14,210 

5.77 6,350

1.46 1,61O 

.91 l.OOO

.76 841

31.59 34,790

* Winter discharge measurement made on this day.

a No sras-e-height record; discharge interpolated, or computed on basis of weather records and records for Skyland Creek near Essex.

b Stage-discharge relation affected by ice.

Note.- Discharge computed from staff or wire-weight gage readings Aug. 4-10, 12, 13, 19-21, 23-27, 

50, Sept. 2-8.
258 PEND O°ETLLE RIVER BASIN

Sky land ("'reek near Essex, Mom.

Location.- Water-stage recorder, lat. 48"17'30", long. 113°23'20", in NW£ sec. 9, T. 25 

N. , K. 14 W., 150 feet upstream from mouth and 10 miles northeast nf Essex.

Drainage area.- 8.09 square miles.

Records available.- January 1946 to September 194V.

Extremes.- Maximum discharge during year, 189 second-feet May 9 (gage height, 1.84 feet); 

minimum, 0.1 second-foot Nov. 15 (gage height, 0.12 fnot, ice ,1am upstream).

1946-47: Maximum discharge, that of May 9, 1947; minimum, that nf Nov. 15, 1946.

Remarks.- Records good except those for periods of ice effect, which are pnor. No diversions. Records collected in conjunction with Upper Columbia River Snow Laboratory.

Cooperation.- Sage-height record and nine discharge measurements furnished by Corps of 

Engineers.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

5.0

9.0

6.8

5.9

5.6

5.3

5.3

5.1

5.3

5.1

5.1

5.1

5.1

5.3

5.1

4.9

4.7

4.7

4.7

5-2

7.3

.6.8

7.1

6.7

21

14

b8

b6

b5

b5

b5

Nov.

b5.5

b6

6.4

6.4

6.2

6.4

6.2

6.2

5.9

5.9

5.6

3.5

3.5

b3.5

b3

b3

b3

b3

b3

b3.5

b4

b4.5

b4.5

4.7

4.7

5.3

6.2

6.2

5.6

5.3

-

Dec.

5.1

5.1

.1

.1

.1

.1

.1

.1

.9

.9

.1

* .1

.7

b .5

b .5

b

b

b

.4

.7

.7

.7

.4

.4

.4

4.4

b4

b3.5

b3.5

b4

4.4

Jan.

*4.2

4.2

b4

b4

b4

b4

b4

.2

.2

.2

.2

.2

b3.5

b3.5

b3.5

b3.5

b3.5

b3.5

3.7

3.7

3.5

3.5

3.9

4.2

3.9

3.9

3.9

b3.5

b3.5

b3.5

*b4

Month

Octo 

Hove 

Dece

bar .......................

mber ......................

mber ......--.-.--. . . _

Calendar year 1946 .........

January .......................

February ......................

March .........................

April .........................

May ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

b3.5

b3.5

b3.5

b3.5

3.5

3.5

3.1

b3

b3

b3

b4.5

b5

*b5

b4.5

b4.5

b4

b4

b3.5

b3.5

b3

3.0

2.8

2.8

2.8

b2.5

b2.5

b2.5

b2.5

_

_

-

Secondfoot-days

200.2 

146.7 

142.0

4,556.3

119.1

96.0

97.6

37S.6

2,7&8

1,586

402.4

264.2

227.2

6,459.0

Mar.

b2.5

b2.5

b2.5

b2.5

b2.5

b2.5

3.1

3.1

3.3

3.1

*2.6

2.5

2.6

2.6

2.6

3.1

3.1

3.1

3.3

3.5

3.5

4.2

3.9

3.7

3.7

3.5

3.5

3.5

3.7

3.9

3.9

Maximum

21

6.4 

5.1

104

4.2

5

4.2

53

165

84

19

12

12

165

Apr.

3.7

3.7

3.7

3.E

3.9

3.9

3 9

3.9

4.2

4.4

4.2

4.2

4.7

5.6

6.2

6.9

9.6

12

13

14

13

12

12

12

14

20

30

45

53

49

-

May

39

54

81

92

92

80

94

124

165

126

116

112

110

102

82

77

75

74

79

83

89

85

75

76

86

103

106

87

79

75

80

Minimum

4.7 

3 

3.5

-

3.5

2.5

2.5

3.7

39

20

9.8

7.6

6.0

2.5

June

82

84

84

79

74

67

62

61

73

82

80

74

70

66

59

53

50

45

42

39

37

31

29

27

25

23

23

23

22

20

-

Mean

6.46 

4.89 

4.58

12.5

3.84

3.43

3.15

12.7

90.3

52.9

13.0

8.52

7.57

17.7

July

IS

18

18

16

16

15

15

14

14

13

15

14

14

13

13

12

12

12

12

12

12

12

11

11

10

10

10

10

9.8

9.8

9.8

Per 

square 

mile

0.799 

.604 

.566

1.55

.475

.424

.389

1.57

11.2

6.54

1.61

1.05

.936

2.19

Aug.

9.8

c

c

»

£

e

e

8

e

.8

.1

.4

.4

.8

.8

.5

.5

8.5

8.2

8

8

7

7

.5

.2

.9

.9

8.2

7

7

7

7

8

12

11

8

7

7

7

7

7

7

7

.9

.6

.6

.9

.2

.8

.9

.6

.6

.6

.6

.8

.6

Sept.

7.3

7.0

6.7

6.7

6.4

6.4

6.4

6.7

6.4

6.4

6.4

6.2

6.2

6.2

6.0

6.2

6.0

6.4

7.0

7.3

8.3

10

12

11

10

10

9.8

9.1

8.5

8.2

-

Runoff

Inches

0.92 

.67 

.65

20.93

.55

.44

.45

1.75

12. &1

7.30

1.86

1.21

1.04

29.75

Acre-feet

397 

291 

282

9, 040

236

190

194

753

5,550

3,150

798

524

451

12,820

* Winter discharge measurement made on this day. 

b Stage-discharge relation affected by ice.
PEND OREILIE RIVER BASIN 259

South Fork Flathead River near Columbia Falls, Mont.

Location.- Water-stage recorder, lat. 48°22', long. 114°03', in NE£ sec. 17, T. 30 M., R. 

19 w., 2 miles upstream from mouth and 9 miles east of Columbia Falls. Datum of gage 

is 3,031.3 feet above mean sea level, datum of 1929 (Corps of Engineers bench mark).

Drainage area.- 1,640 square miles.

Records available.- September 1910 to September 1916, April 1923 to September 1947.

Average discharge.- 18 years (1928-32, 1933-47), 3,062 second-feet.

Extremes.- Maximum discharge during year, 35,800 second-feet May 9 (gage height, 17.70 

reetj; minimum, 586 second-feet Oct. 1 (gage height, 1.46 feet).

1910-16, 1923-47: Maximum discharge observed, 46,200 second-feet June 19, 1916 

(gage height, 16.6 feet, site and datum then in use), from rating curve extended above 

20,000 second-feet; minimum discharge, 206 second-feet Dec. 6, 1935, discharge measurement.

Remarks.- Records fair.

Rating tables, water year 1946-47, except periods of ice effect 

(gage height, in feet, and discharge, in second-feet)

Oct. 1 to May 3 May 4 to Sept. 30

1.4 550 3.0 1,760 7.5 8.05O 1.8 

1.6 670 4.0 2,790 9.O 11.1OO 2,O 

2/0 930 5.0 4,020 10.5 14,600 2.5 

2.5 1,320 6.0 5,470 12.1 18,500 3.0

Discharge, in second-feet, water year October

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

592 

754 

1,040 

1,040 

930

881 

832 

811 

825 

818

784 

754 

742 

832 

832

778 

748 

718 

706 

778

1,080 

1,280 

1,620 

1,670 

2,600

5,640 

5,010 

3,890 

3,260 

2,900 

2,570

Nov.

2,350 

2,150 

1,950 

1,760 

1,720

1,720 

1,670 

1,580 

1,540 

1,4*90

1,400 

1,320 

1,200 

lj!20

1,160

1,200 

1,120 

1,400 

1,320 

1,300

1,400 

1,500 

1,700 

2,200 

2,500

2,500 

2,460 

2,520 

2,400 

2,100

Dec.

2,000 

1,900 

1,850 

1,800 

1,760

1,720 

1,670 

1,580 

1,580 

1,580

1,900 

1,900 

2,000 

*2,200 

2,800

2,600 

2,300 

2,200 

2,200 

2,200

2,250 

2,300 

2,250 

2,200 

2,100

2,000 

1,000 

1,500 

1,300 

1,300 

1,300

Jan.^

1,300 

1,300 

1,300 

1,300 

1,300

1,300 

1,350 

1,400 

1,400 

1,450

1,500 

1,400 

1,300 

1,300 

1,300

1,300 

1,350 

1,350 

1,350 

1,350

1,500 

1,650 

1,800 

2,000 

2,000

1,950 

1,800 

1,600 

1,500 

1,500 

1,500

Feb.

1,550 

1,600 

1,550 

1,600 

1,650

1,650 

1,600 

1,500 

1,400 

1,400

1,500 

1,600 

1,700 

2,000 

2,200

2,400 

2,300 

2,200 

2,100 

2,000

2,000 

1,900 

1,850 

1,800 

1,700

1,500 

1,400 

1,350

u-_i». Second 

Month foot-days

Octo 

Nove 

Deoe

Ca

Janu 

Febr 

Kara 

Apri 

May 

June 

July 

Augu 

Sept

ffa

lendar year 1946 ......

Eiry

47,715 

51,750 

60,040

1,390,904

h .........................

st ........................

ember .....................

45,700 

49,000 

58,060 

195,480 

>50,000 

550,030 

15,560 

38,080 

29,343

ter year 1946-47. ......... 1,590,758

Mar.

1,300 

1,250 

1,200 

1,200 

1,200

1,200 

1,250 

1,250 

1,300 

1,400

1,500 

1,400 

1,300 

1,200 

1,200

1,300 

1,500 

1,600 

2,000 

2,200

2,500 

3,000 

3,200 

h3,260 

2,900

(12,680 

2,300 

2,200 

2,460 

2,790 

3,020

Maximum

5,640 

2,520 

2,800

23,200

2,000 

2,400 

3,260 

17,000 

34,000 

17,400 

6,300 

1,950 

1,380

34,000

Apr.

3,140 

3,380 

3,500 

3,630 

3,500

3,260 

3,020 

2,900 

h2,960 

3,100

h3,140 

3,200 

3,500 

4,500 

h6,280

6,620 

6,960 

8,240 

8,620 

9,010

8,620 

8,050 

7,310 

6,790 

6,790

7,860 

10,200 

14,100 

17,000 

16,300

755 4.0 2 

850 5.5 4 

1,175 7.0 6 

1,600 8.5 9

1946 to September

May

13,200 

12,200 

18,300 

21,500 

23,300

23,900 

23,300 

25,700 

34,000 

30,500

24,500 

20 , 400 

18,600 

17,900 

16,200

15,200 

13,900 

12,900 

12,000 

12,400

14,400 

14,600 

13,400 

13,400 

15,200

17,600 

18,400 

16,200 

12,900 

11,600 

12,400

Minimum

592 

1,120 

1,300

550

1,300 

1,350 

1,200 

2,900 

11,600 

6,300 

1,650 

905 

755

592

June

14,200 

15,900 

14,900 

13,900 

13,400

13,200 

12,400 

11,800 

13,400 

17,400

16,400 

13,900 

12,900 

13,400 

12,400

11,600 

11,600 

12,000 

12,200 

11,600

9,980 

8,750 

8,380 

8,210 

8,210

8,380 

8,380 

7,870 

7,070 

6,300

Mean

1,539 

1,725 

1,937

3,811

1,474 

1,750 

1,873 

6,516 

17,740 

11,670 

3,728 

1,228 

978

4,358

690 10.5' 14,200 

680 14.0 23,300 

910 17.2 34,000 

550

1947

July

5,850 

5,050 

6,150 

6,300 

6,000

5,700 

5,550 

5,400 

5,400 

5,100

4,820 

4,260 

3,980 

3,710 

3,580

3,450 

3,260 

2,810 

2,750 

2,630

2,570 

2,450 

2,390 

2,280 

2,160

2,110 

2,000 

1,900 

1,800 

1,700 

1,650

Per 

square 

mile

0.938 

1.05 

1.18

2.32

.8$9 

1.07 

1.14 

3.97 

10.8 

7.12 

2.27 

.749 

.596

2.66

Aug.

1,600 

1,510 

1,510 

1,460 

1,420

1,380 

1,330 

1,290 

1,210 

1,180

1,180 

1,140 

1,180 

1,100 

1,060

1,060 

1,030 

965 

935 

^905

935 

1,140 

1,950 

1,600 

1,290

1,250 

1,180 

1,140 

1,060 

1,030 

1,060*

Sept.

998 

965 

905 

878 

650

825 

825 

850 

878 

878

850 

825 

778 

755 

755

800 

878 

905 

905 

965

935 

1,030 

1,210 

1,330 

1,380

1,330 

1,290 

1,250 

1,180 

1,140

Runoff

Itches

1.08 

1.17

1.36

32.55

1.04 

1.11 

1.31 

4.43 

12.45 

7.94 

2.62 

.86 

.66

36.03

Ac re- feet

94,640 

102,600 

119,100

2,759,000

90,640 

97,190 

115,200 

387,700 

1,091,000 

694,300 

229,200 

75,530 

58,200

3,155,000

* Winter discharge measurement made on this day.

h Computed from staff-gage readings.

Note.- Stage-discharge relation affected by ice Nov. 20-26, Dec. 12, 13, 15-17, Feb. 8, 9, Feb. 14 

to Mar. 4, Mar. 12. No gage-height record Dec. 18 to Feb. 7, Feb. '10-13, Mar. 5-11, 13-23, 25, 27, 

Apr. 8, 10, 12-14; discharge interpolated, or computed on basis of weather records and records for 

other stations on Flathead River.
260 PEt'D OREILLE RIVER BASIN

Stillwater River near Whibefish, Mont.

Location.- Water-stage recorder, lat. 48°19', long. 114°23', in SW^ sec. 34, T. 30 N., R. 

zz w., 600 feet downstream from highway bridge, 7 miles southwest of Wiitefish, and 

10 miles upstream from Whitefish Creek.

Drainage area.- 529 square miles.

Records available.- November 1930 to September 1947.

Average discharge.- 17 years, 316 second-feet.

Extremes.- Maximum discharge during year, 3,200 second-feet May 12 (gage height, 17.22 

feet); minimum daily, 70 second-feet Dec. 29 to Jan. 2.

1930-47: 'Maximum discharge, that of May 12, 1947; minimum daily, 40 second-feet 

Dec. 24, 1944; minimum gage height, 0.59 foot Sept. 15, 1944.

Remarks.- Records good except those for period of ice effect or no gage-height record, 

which are poor. No diversion.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9

10

11 

12 

13 

14

15

16 

17 

18 

19

20

21 

22 

23 

24 

25

26 

27 

28 

29

30 

31

Oct.

a!35 

al40 

a 145 

al40 

135

131 

135 

139 

135 

135

131 

131 

127 

127

123

127 

123 

115 

115 

111

115 

123 

131 

135 

148

167 

187 

198 

192 

177 

167

Nov.

162 

148 

139 

135 

131

123 

123 

119 

119 

115

115 

115 

107 

107 

107

105 

111 

105 

95 

90

90 

95 

120 

140 

160

160 

165 

165 

160

150

Dec.

140 

130 

135 

140 

140

140 

140 

140 

135 

130

130 

120 

120 

130 

130

120 

100 

95 

95 

95

95 

95 

95 

95 

90

85 

80 

75 

70 

70 

70

Jan.

70 

70 

75 

75 

80

80 

80 

80 

85 

85

85 

85 

80 

80 

75

75 

75 

75 

80 

80

80 

85 

90 

90 

95

95 

95 

90 

85 

80 

80

Feb.

80 

85 

85 

85 

85

85

80 

80 

80 

80

80 

90 

95 

100 

105

105 

100 

100 

100 

95

100 

105 

110 

105 

100

100 

95 

90

Month

Octo 

Move 

Dece

Ca

Janu 

Febri 

Marc 

Apri 

May.

June 

July 

Augu 

Sept

wa

Lendar year 1946

ter year 1946-47 .......................

Mar.

90 

90 

90 

90 

85

90 

90 

95 

100 

110

120 

120 

120 

130 

130

135 

140 

145 

150 

155

160 

170 

190 

220 

280

360 

478 

492 

521 

566 

626

Apr.

720

785 

870 

923 

941

905 

853 

819 

802 

802

819 

836 

853 

887 

977

1,090 

1,160 

1,280 

1,400 

1,490

1,570 

1,640 

1,680 

1,710 

1,680

1,660 

1,640 

1,680 

1,790 

1,980

Secondfoot-days

4,340 

3,776 

3,425

136,125

2,535 

2,600 

6,338 

36,242 

67,730 

34,442 

13,514 

7,238 

5,865

188,045

May

2,210 

2,380 

2,480 

2,480 

2,580

2,740 

2,810 

2,840 

3*870 

2,990

3,140 

f3,200 

f3,200 

3.08T5 

2,840

2,640 

2,410 

2,210 

2,010 

1,840

1,710 

1,570 

1,490 

1,400 

1,340

1,280 

1,240 

1,220 

1,200 

1,180 

1,150

Maximum

198 

165 

140

1,710

95 

110 

626 

1,980 

3,200 

1,530 

736 

338 

254

3,200

June

1,130 

1,150 

1,150 

1,150 

1,160

1,180 

1,180 

1,160 

1,160 

1,240

1,320 

1,400 

1,490 

1,530 

1,530

1,490 

1,420 

1,340 

1,260 

1,180

1,130 

1,030 

977 

923 

870

819 

785 

768 

768 

752

July

736 

720 

688 

641 

611

596 

566 

551 

521 

492

4T8 

464 

4?0 

4J6 

4?2

408 

3£0

380

see

3E2

338 

325 

318 

306

29S

299 

2S2 

280 

273 

266 

260

Minimum

111 

90 

70

70

70 

80 

85 

720 

1,150 

752 

260 

187 

172

70

Aug.

247 

240 

234 

228 

222

216 

210 

210 

204 

198

192 

192 

192 

192 

192

192 

192 

198 

198 

187

187 

198 

240 

332 

338

338 

332 

312 

292 

273 

260

Mean

140 

126 

110

373

81.8 

92.9 

204 

1,208 

2,185 

1,148 

436 

233 

196

515

Sept.

254 

240 

234 

222 

210

198 

1S2 

187 

187 

192

198 

1S2 

187 

182 

172

172 

172 

172 

177 

187

192 

192 

192 

192 

192

192 

192 

198 

198 

198

Hunoff in 

acre-feet

8,610 

7,490 

6,790

270,000

5,030 

5,160 

12,570 

71,880 

134,300 

68,310 

26,800 

14,360 

11,630

372,900

a Mo gage-height record; discharge computed on basis of records for Whitefish Creek near Kalispell.

f Computed on basis of partly estimated gage-height record.

Mote.- Stage-discharge relation affected by ice Mov. 16, Nov. 18 to Mar. 26.
FEND OREILLE RIVER BASIN 261

Logan Creek at Tally Lake, near Whlteflsh, Mont.

Location.- Staff gage, lat. 48°27', long. 114°34', in NW£ sec. 17, T. 31 H., R. 23 W.,

2f miles north of Tally Lake and 10 miles west of Whitefish. 

Records available.- April 1936 to September 1942, May 1945 to September 1947 (discontinued);August 1931 to April 1933 and May to September 1934 at site about 2^ miles

upstream. 

Extremes - Maximum discharge observed during year, 1,380 second-feet May 11 (gage height,

4.B5 reet); minimum observed, 18 second-feet Oct. 1 (gage height, 1.31 feet).

1931-33, 1934, 1936-42, 1945-47: Maximum discharge observed, that of May 11, 1947;

minimum observed, 0.7 second-foot Sept. 1, 2, 1940.

Flood of May 28, 29, 1933, reached a stage of 7.22 feet, site and datura in use

1931-33 (discharge not determined).

Revision.- The maximum discharge for the water year 1946 has been revised to 650

secona-reec Apr. 29 (gage height, 3.60 feet), superseding figure published in WaterSupply Paper 1062.

Remarks.- Records good. Gage read twice daily. Natural storage in Tally Lake. 

Revisio'ns^- Revised figures of discharge, in second-feet, for April, May 1946, superseding

tnose published in Water Supply Paper 1062, are given herewith:

Apr. 21..

22..

23..

24..

25..

26..

27. .

405

500

525

525

550

550

575

Apr. 28..... 600

29..

30. .

650

625

600

600

600

May

9. .

10..

11..

600

625

600

600

625

600

600

May 12..

13. .

14..

15..

16..

17..

18..

600

550

500

450

428

405

385

Month

May................................

Water year 1945-46 ...............

Secondfoot -days

13,440

32,029.1

Maximum

625

650

Minimum

228

7.3

Mean

434

87.8

Runoff in 

acre -feet

26,660

63,530

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

18 

23 

27 

30 

32

33 

32 

31 

31 

30

29 

£9 

29 

31 

31

31 

31 

51 

31 

32

33 

16 

39 

44 

53

60 

64 

63 

60 

59 

55

Nov.

52 

52 

48 

45 

43

39 

38

37 

37 

37

37 

35 

32 

31 

29

29 

29 

29 

32 

36

36 

36 

37 

38 

38

38 

38 

38 

38 

38

Dec.

38 

38 

38 

38 

38

38 

38 

38 

38 

38

38 

38 

38 

38 

42

47 

52 

55 

55 

55

55 

55 

55 

55 

55

55 

53

50 

50 

50 

50

Jan.

50 

SO 

50 

50 

50

50 

50 

50 

50 

50

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52

52 

52 

52 

52 

52

Feb.

52 

53 

55 

55 

55

55 

55 

55 

55 

55

55 

55 

55 

55 

55

55 

55 

55 

55 

55

55 

55 

55 

55 

52

52 

52 

52

Month

Octo 

Hove 

Deoe

Ca

Janu 

Febr 

Marc 

Apr!

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

52 

52 

52 

52

52 

53 

55 

56 

56

63

66 

76 

91 

104

115 

123 

129 

133 

146 

162

Apr.

192 

245 

248 

254 

254

254 

248 

242 

236 

233

230 

227 

233 

239 

267

330 

417 

486 

566 

620

670 

700 

720 

700 

655

630 

660 

710 

906 

1,090

Secondfoot-days

1,158 

1,122 

1,421

33,598.1

1,592 

1,523 

2,260 

13,462 

25,667 

9,661 

2,866 

1,532 

1,070

63,334

May

1,210 

1,160 

1,040 

1,360 

1,360

1,320 

1,300 

1,250 

1,260 

1,350

1,380 

1,280 

1,150 

1,040 

912

824 

720 

640 

590 

530

481 

441 

417 

393 

373

354 

334 

323 

302 

292 

281

Maximum

64 

52 

55

650

52 

55 

162 

1,090 

1,380 

566 

185 

116 

56

1,380

June

281 

295 

309 

312 

316

316 

302 

306 

312 

344

389 

486 

566 

535 

463

421 

401 

369 

337 

312

292 

274 

251 

236 

227

212 

206 

203 

197 

191

July

185 

176 

165 

158 

150

138 

130 

T.22 

116 

109

107 

102 

98 

98 

89

^83 

80 

76 

68 

64

62 

58 

54 

53 

51

49 

49 

48 

44 

42 

42

Minimum

18 

29 

38

7.3

50 

52 

52 

192 

281 

191 

42 

28 

26

18

Aug.

42 

39 

37 

37 

34

32 

32 

32 

31 

29

28 

28 

32 

31

31

34 

37 

37 

37 

34

32 

44

70 

96 

116

105 

98 

89 

76 

68 

64

Mean

37.4 

37.4 

45.8

92.0

51.4 

54.4 

72.8 

449 

828 

322 

98.5 

49.4 

35.7

174

Sept.

56 

51 

46 

41 

35

34 

32 

32 

31 

31

31 

29 

28 

26 

26

27 

28 

31 

32 

35

35 

34 

37 

39 

39

39 

39 

42 

42 

42

Runoff In 

acre-feet

2,300 

2,230 

2,820

66,650

3,160 

3,020 

4,480 

26,700 

50,910 

19,160 

5,680 

3,040 

2,120

125,600
262 PEND OREILLE RIVER BASIN

Whitefish Creek near Kalispell, Mont.

Location.- Water-stage recoraer, lat. 48°19', long. 114°16', in SW£ sec. 34, T. 30 N., R. 

21 W., 8 miles north of Kalispell and 8 miles upstream from mouth. Datum of gage is 

2,969.7 feet above mean sea level, datum of 1929 (Corps of Engineers bsnch mark).

Drainage area.- 173 square miles.

Records available.- November to December 1906, July 1928 to September 1947.

Average discharge.- 18 years (1929-47), 183 second-feet.

Extremes.- Maximum discharge during year, 1,170 second-feet May 12 (gage height, 4.17 feet); 

minimum daily, 45 second-feet Dec. 29 to Jan. 3; minimum gage height, 1.23 feet Nov. 19. 

1906, 1928-47: Maximum discharge, l,H60 second-feet June 3, 1932 (gage height, 4.26 

^feet); minimum, 4.5 second-feet Oct. 18, 1934 (gage height, 0.83 foot).

Remarks.- Records good except those for periods of ice effect, which are ooor. Some regulation by Whitefish Lake. No diversion.

Discharge, In second-feet, water year October 1946 to September 1917

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

137 

140 

143 

143 

14O

135 

132 

129 

126 

126

124 

121 

118

116 

116

116 

113 

110 

110 

110

110 

113 

113 

116 

124

129 

126 

126 

124 

124 

124

Hov.

124 

121 

121 

118 

118

116 

116 

116 

116 

116

113 

110 

 108 

108 

106

103

103 

100 

90 

85

85 

85 

95 

115 

125

120 

120 

118 

116 

113

Dec.

110 

110 

110 

108 

108

108 

106 

108 

108 

106

106 

108 

110 

116 

*121

110 

95 

85 

85 

85

90 

90 

85 

80 

75

65 

55 

50 

45 

45 

45

Jan.

45 

45 

45 

50 

50

55

55 

60 

60 

65

65 

70 

65 

55 

.50

50 

55

65 

70 

75

80 

85 

90 

95 

95

85 

75 

 5 

60 

60 

65

Feb.

75 

85 

85 

80 

85

*85 

85 

85 

75 

75

75 

85 

100 

110 

115

110 

105 

100 

95 

95

95 

100 

100 

95 

90

75 

65

60

Month

Octo 

Nove 

Dece

Ca

Janru 

Febr 

Marc 

Apr! 

May.

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

55 

55 

55

55 

55

55 

60 

65 

70 

80

85 

90 

90 

h93 

h93

hlOO 

h!08 

h!21 

h!46 

173

192 

218 

228 

228 

215

212 

215 

228 

237 

260 

298

Apr.

298 

298 

302 

309 

, 320

309 

302 

295 

295 

309

316 

320 

320 

326 

351

377 

392 

403 

429 

437

440 

440 

437 

437 

440

448 

468 

509 

530 

h594

Secondfoot-days

3,834 

3,300 

2 , 828

95,498

2,005 

2,485 

4,235 

11,451 

27,500 

23,694 

9,166 

3,498 

4,465

98,461

May

h594 

h616 

639 

639 

666

733 

757 

832 

910 

1,020

1,110 

1,110 

1,160 

1,140 

1,120

1,090 

1,050 

1,020 

977 

954

908 

908 

886 

863 

840

840 

818 

818 

818 

818 

796

Maximum

143

125 

121

1,110

95 

115 

298 

594 

1,160 

1,140 

558 

155 

182

1,160

June

818 

818 

818 

818 

818

840 

840 

818 

840 

1,020

1,140 

1,090 

1,050 

1,020 

1,000

954 

908 

886 

840 

796

751 

707 

663 

620 

438

458 

466 

558 

474 

427

July

46? 

55=3 

533 

493 

46?

44? 

419 

383 

363 

351

339 

324 

309 

294 

280

270 

256 

238 

231 

217

207 

198 

191 

182 

179

182 

170 

161 

158 

152 

147

Minimum

110 

85 

45

45

45 

60 

55 

295 

594 

427 

147 

99 

113

45

Aug.

122 

120 

115 

113 

111

108 

108 

106 

106 

102

102 

102 

102 

99 

99

99 

102 

102 

99 

99

99 

111 

147 

155 

137

129 

124 

122 

120 

118 

120

M^an

124 

110 

91.2

262

64.7 

88.8 

137 

382 

887 

790 

296 

113 

149

270

Sept.

120 

118 

113 

113 

113

115 

113 

113 

113 

161

182

179 

176 

173

170

170 

170 

167 

167 

164

164 

161 

158 

155 

155

155 

155

152 

150 

150

Runoff in 

acre-feet

7,600 

6,550 

5,610

139,400

3,980 

4,930 

8,400 

22,710 

54,550 

47,000 

18,180 

6,940 

8,860

195,300

* Winter discharge measurement made on this day.

h Computed from staff-gage readings.

Note.- Stage-discharge relation affected by ice Nov. 18-27, Dec. 16 to Mar. 13.
PEND OREILLE RIVER BASIN 263

Ashley Creek near Kalispell, Mont.

Location (revised).- Staff gage and Cippoletti weir, lat. 48°10', long. 114°26', in MWi 

sec. 19, T. aa N., R. 22V., 5 miles west of Kalispell.

Drainage area.- 203 square miles.

Records available.- Acril 1931 to March 1933, April 1934 to September 1947.

Average discharge. - 14 years (1931-32, 1934-47), 22.0 second-feet.

Extremes.- Maximum discharge observed during year, 374 second-feet May 12 (gage height, 

572E~Teet); minimum observed, 0.2 second-foot Nov. 21, 22.

1931-47: Maximum discharge observed, that of May 12, 1947; no flow at times.

Remarks.- Records good. Gage read twice daily. Some diversions. Storage in Ashley and 

smitn Lakes.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

2.8 

5.4 

5.0

4.0 

4.0

4.0 

5.2 

6.1 

5.2 

4.2

4.4 

4.3 

4.0 

3.3

3.0

3.3 

3.5 

3.4 

3.3 

3.3

3.3 

3.4 

4.9 

4.8

5.1

3.4 

6.1 

6.3 

6.5 

8.0 

8.7

Nov.

9.2 

5.8 

5.7 

5.4 

5.3

5.6 

6.4 

6.1 

6.9 

7.2

6.8 

6.1 

5.8 

5.3 

4.4

3.9 

3.5 

3.8 

2.0 

.5

.2 

.4 

.5 

.7 

1.4

1.8 

2.1 

2.6 

3.0 

3.2

Dec.

3.3 

3.3 

3.3 

3.4 

3.5

3.5 

3.6 

3.7 

3.8

4.0

5.4

4.4 

4.2 

4.7 

7.4

*8.4 

b9.0 

9.0 

8.7 

8.4

8.6 

8.7 

8.7 

9.0 

8.7

8.7 

8.4 

7.5

7.0 

6.0 

5.6

Jan.

5.4 

5.2 

5.0 

4.9

4.9

4.8 

. 4.8 

4.8 

4.8 

5.0

5.1 

5.1 

5.1 

5.2 

b5.0

5.1 

5.1 

4.9 

4.9 

4.7

4.7 

4.9 

5.3 

7.8 

9.8

12 

12 

11 

11 

10 

9.7

Feb.

9.3 

*9.7 

9.7 

9.7 

9.8

10 

10 

blO 

b9.5 

b9.0

b9.5 

9.7 

18 

14 

15

16 

17 

17 

17 

18

18 

18 

24 

27 

25

24 

25

26

Month

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Merc 

Apr! 

May.

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

27 

27 

27 

26 

25

25 

25 

25 

25 

27

34 

36 

36

44 

50

69 

75 

75 

75 

81

87 

94 

106 

113 

113

113 

113 

113 

113 

113 

120

Apr.

120 

127 

134

134 

142

134 

134 

142

142 

142

142 

134 

142 

142 

142

142 

150 

157 

157 

164

172 

180 

180 

180 

188

188 

188 

196

204 

204

Secondfoot -days

142.2

121.6 

191.9

5,733.0

198.0 

434.9 

2,033 

4,703 

8,548 

4,803 

2,058 

550 

409

24,191.6

May

220 

237 

237 

255 

255

274 

293 

293 

312 

352

352 

374 

352 

352 

332

312 

312 

312 

293

274

274 

255 

255 

237 

237

237 

220 

220 

220 

204 

196

Maximum

8.7 

9.2 

9.0

60

12 

27 

120 

204 

374 

188 

127 

25 

17

374

June

188 

188 

180

172 

164

164 

157 

150 

157 

157

172 

172 

172 

180

180

180 

172 

164 

157 

157

157 

150 

150 

150 

142

142 

134 

134 

134 

127

July

127 

120 

113

113 

106

100 

94 

94 

87 

81

81 

75 

71 

68 

65

63 

61 

58 

55 

50

46 

42 

39 

35 

34

34 

32 

31 

29 

28 

26

Minimum

2.8 

.2 

3.3

.2

4.7 

9.0 

25 

120 

196 

127 

26 

12 

11

.2

Aug.

25 

25 

24

2C 

21

20 

19 

18 

18 

17

16

16 

17 

16 

15

15 

14 

14 

14 

13

12 

16 

19 

18 

18

18 

18 

18 

18 

18 

18

Mean

4.59 

4.05 

6.19

15.7

6.39 

15.5 

65.5 

157 

276 

160 

66.4 

17.7 

13.6

66.3

Sept.

17 

16 

16 

15 

14

15 

14 

15 

14 

14

13 

13 

13

13 

12

11 

11 

12 

14 

13

13 

12 

13 

13 

13

14 

14 

14 

14 

14

Runoff in 

acre-feet

282 

£41 

381

11,380

393 

863 

4,030 

9,330 

16,950 

9,530 

4,080 

1,090 

811

47,98Cf

* Winter discharge measurement made on this day. 

b Stage discharge relation affected by ice.

903681 O - 50 - 18
264 FEND OREILLE RIVER BASIN

Swan River near Big Fork, Mont.

Location.- Water-stage recorder, lat. 48°'01 I > long. 113°59', in NW^- sec. 14, T. 26 N., R. 

19 w., at outlet of Swan Lake, 7 miles southeast of Big Fork.

Drainage area.- 647 square miles.

Records available.- April 1922 to September 1947. October 1910 to May 1911 at site 2 miles 

upstream from Swan Lake.

Average discharge.- 21 years (1922-24, 1928-47), 992 second-feet.

Extremes.- Maximum discharge during year, 5,960 second-feet May 11 (gage height, 6.11 feet); 

minimum discharge, 399 second-feet Oct. 1 (gage height, 2.24 feet).

1922-47: Maximum discharge, 8,280 second-feet June 18, 1933 (gage height, 7.00 feet); 

minimum, 85 second-feet Jan. 26-29, 1930 (gage height, 0.04 foot).

Remarks.- Records good. No diversion above station. Natural storage ir Swan Lake.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

418

490

556

556

548

541

519

505

505

505

505

497

483

497

483

477

470

457

457

464

483

519

548

586

640

814

1,080

1,160

1,160

1,100

1,060

Nov.

990

933

877

805

762

728

704

672

648

625

632

609

594

571

556

556

541

563

602

609

578

571

602

648

712

746

762

780

796

814

-

Dec.

788

771

754

728

720

704

696

664

664

656

672

754

805

850

980

,110

,140

,070

,020

,020

980

952

933

886

841

780

780

754

664

617

617

Jan.

625

617

594

563

556

556

571

578

586

594

594

602

594

586

563

548

534

534

526

519

519

519

526

548

586

609

625

617

571

556

541

Month

October .......................

November ......................

December .......................

Calendar year 1946 .........

January .......................

February ......................

March .........................

April .........................

May ...........................

June ..........................

July ..........................

August

September .....................

Water year 1946-47 ..........

Feb.

556

578

594

586

571

571

563

548

505

483

470

490

512

541

563

578

586

609

617

617

632

640

648

664

696

696

672

664

.

-

-

Secondfoot-days

19,083

20,586

25,370

431,473

17,657

16,450

28, 102

52,160

113,840

99,590

48,702

23, 241

17,915

482,696

Mar.

656

640

640

656

640

640

632

625

617

609

617

617

609

602

609

632

674

728

805

924

1,060

1,170

1,320

1,470

1,480

1,450

1,420

1,380

1,370

1,380

1,430

Maximum

1,160

1,140

4,610

625

696

1,480

2 520 sjgeo

4,280

2,220

933

696

5,960

Apr.

1,510

1,570

1,620

1,660

1,630

1,580

1,520

1,460

1,400

1,400

1,400

1,400

1,400

1,420

1,520

1,630

1,720

1,860

2,000

2,070

2,140

2,070

2,000

1 , 930

1,860

1,860

1,860

1,930

2,220

2,520

"

May

2,740

2,740

2,740

3,060

3,560

4,000

4,280

4,480

4,860

5,560

5,960

5,360

4,860

4,380

4,000

3,640-

3,380

3,140

3,060

2,980

2,980

2,980

2,980

2,980

2,980

3,140

3,300

3,560

3,560

3,380

3,220

Minimum

418

541

617

387

519

470

602

1,400

2,740

2,440

952

586

519

418

June

3,220

3,220

3,380

3,470

3,380

3,380

3,300

3,220

3,300

3,640

4,190

4,280

4,100

3,820

3,730

3,470

3,380

3,300

3,380

3,470

3,380

3,220

2,980

2,900

2,820

2,900

2,900

2,820

2,600

2,440

~

Mean

616

686

818

, J-O£

570

Sfifi

QO7

1 739

3 , 672

3,320

1,571

750

597

1,322

July

2,220

2,070

2,070

2,070

2,070

2,070

2,070

2,070

2,000

2,000

1,860

1,790

1,670

1,620

1,530

1,450

1,380

al,380

al,380

1,380

1,340

1,300

1,220

1,180

1,170

1,170

1,130

1,C90

1.C10

F90

P52

Per 

square 

mile

0.952

1 . 06

1.26

1 . 83

. 881

.909

1.40

2 . 69

5.68

5. 13

2.43

1.16

.923

2.04

Aug.

933

933

895

877

859

841

814

780

762

746

728

712

712

696

664

664

648

632

617

602

586

602

780

850

832

814

796

762

712

696

696

Sept.

696

680

648

632

602

571

571

571

556

556

556

556

534

519

519

519

534

548

563

594

625

625

609

625

625

625

656

656

672

672

"

Runoff

Inches Acre-feet

1.10 37,850

1.18 40,830

1.45 50,320

24.80 855,800

1.02 35,020

. 95 32 , 630

1.61 55,740

3.00 103,500

6.55 225,800

5.72 197,500

2.80 96,600

1.34 46,100

1.03 35,530

27.75 957,400

a Mo gage-height record; discharge interpolated.

Note.- Computed from staff-gage readings July 26 to Sept. 30.
PEND OREILLE RIVER BASIN 265

Priest Lake at outlet, near Ceolln, Idaho

Location.- Water-stage recorder, lat. 48°29'30", long. 116°53'00", In SE£ sec. 5, T. 59 

H., R. 4 W., half a mile east of outlet and if miles northwest of Coolin. Datum of gage 

is 2,435.06 feet (Coast and Geodetic Survey datum) or 2,437.99 feet (Geological Survey 

datum) above mean sea level.

Drainage area.- 572 square miles.

Records available.- April 1928 to September 1947. June 1911 to September 1913 (fragmentary 

gage-height records at Coolin), published as part of records for Priest River at outlet 

of Priest Lake, at Coolin.

Extremes.- Maximum gage height during year, 5.02 feet May 11; minimum, 0.37 foot Oct. 19. 

 T9"2B-47: Maximum gage height observed, 5.94 feet May 23, 1932; minimum observed, 

-0.16 foot Nov. 23-25, Dec. 4-6, 1936.

Qage height, in feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

0.66

.64

.62

.62

.61

.58

.57

.55

.54

.52

.50

.48

.47

.47

.44

.42 '.40

.39

.38

.44

.49

.53

.52

.57

.65

.70

.72

.73

.73

.73

.73

Nov.

0.75

.76

.75

.74

.73

.73

.73

.73

.72

.72

.71

.70

.69

.68

.67

.67

.69

.81

.95

.96

.96

1.00

1.06

1.08

1.12

1.14

1.19

1.22

1.22

1.22

Deo.

1.21

1.21

1.21

1.26

1.27

1.27

1.28

1.29

1.31

1.33

1.35

1.37

1.40

1.41

1.43

1.43

1.41

1.40

1.40

1.39

1.37

1.37

1.36

1.35

1.33

1.32

1.34

1.33

1.30

1.28

1.27

Jan.

1.27

1.24

1.21

1.19

1.17

1.17

1.16

1.14

1.13

1.15

1.15

1.17

1.16

1.15

1.13

1.12

1.11

1.10

1.07

1.07

1.07

1.09

1.11

1.13

1.16

1.19

1.20

1.19

1.18

1.20

1.19

Feb.

1.19

1.21

1.21

1.19

1.19

1.18

1.16

1.14

1.13

1.12

1.12

1.17

1.19

1.24

1.29

1.33

1.36

1.39

1.40

1.41

1.43

1.45

.46

.47

.47

.48

.48

.47

_

_

-

Mar.

1.47

1.48

1.53

1.56

1.54

1.54

1.52

1.52

1.52

1.56

1.57

1.56

1.55

1.53

1.51

1.49

1.48

1.49

1.52

1.56

1.59

1.63

1.65

1.69

1.73

1.75

1.76

1.77

1.78

1.84

1.91

Apr.

1.96

2.00

2.07

2.14

2.20

2.26

2.31

2.34

2.39

2.43

2.47

2.49

2.51

2.53

2.60

2.70

2.83

2.93

3.09

3.31

3.44

3.47

3.51

3.55

3.56

3.55

3.57

3.63

3.74

3.88

Hay

.94

.98

.04

.11

.22

.32

.46

a .67

a .86

a .98

a .02

a .00

a .96

a .89

a .79

a .66

a .52

a .38

.25

.14

.06

.00

3.92

3.86

3.84

3.84

3.87

3.86

3.81

3.74

3.71

June

3.67

3.64

3.59

3.56

3.53

3.46

3.40

3.35

3.36

3.44

3.44

3.40

3.36

3.34

3.29

3.22

3.16

3.09

3.01

2.95

2.86

2.78

2.69

2.62

2.56

2.49

2.46

2.41

2.36

2.29

July

2.23

2.17

2.10

2.04

1.97

1.91

1.85

1.81

1.79

1.76

1.70

1.67

1.65

1.62

1.57

1.54

1.53

1.50

1.47

1.45

1.42

1.38

1.34

1.31

1.27

1.26

1.25

1.25

1.27

1.24

1.22

Aug.

1.19

1.17

1.14

1.09

1.08

1.07

1.05

1.01

1.01

1.02

1.01

.99

.97

.95

.94

.94

.93

.91

.89

.88

.86

.86

.90

.90

.89

.87

.87

.86

.85

.85

.85

Sept.

0.85

.85

.82

.79

.76

.73

.75

.75

.79

.83

.83

.82

.79

.76

.74

.77

.77

.74

.73

.73

.72

.72

.73

.74

.74

.74

.74

.73

.73

.72

-

a Computed on basis of gage-height record for Priest River at outlet of Priest lake near Coolin.
266 PEND OREILLE RIVER BASIN

Priest River at outlet of Priest Lake, near Conlin, Idaho

Location.- Water-stage recorder, lat. 48°29', long. 116°54', in SWi sec. 5, T. 59 N., R. 

4 W., at southwest end of Priest Lake, 2 miles northwest of Coolin. Datum of gage is 

2,435.06 feet (Coast and Geodetic Survey datum) or 2,437.99 feet (Geological Survey 

datum) above mean sea level.

Drainage area.- 572 square miles.

Records available.- June 1911 to September 1918 (fragmentary), May 191? to September 1947.

Average discharge.- 33 years (1913-18, 1919-47), 1,080 second-feet.

Extremes. - Maximum discharge during year, 6,160 second-feet May 11 (gage height, 4.20 feet); 

minimum, 244 second-feet Oct. 19 (gage height, -0.42 foot, computed on basis of Priest 

Lake gage).

1911-47: Maximum'discharge, 7,290 second-feet May 30, 1917 (gage height, 6.83 feet), 

from rating curve extended above 5,100 second-feet; minimum, 118 second-feet Nov. 25, 

1936; minimum gage height, that of Oct. 19, 1946.

Remarks.- Records good Nov. 16 to July 4; others fair. No diversion atove station.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

355

340

330

330

325

315

310

305

301

289

285

277

273

269

262

258

254

251

248

269

297

305

301

320

340

355

355

345

340

340

340

Nov.

345

350

345

340

340

330

335

335

330

330

330

320

315

310

305

305

325

370

427

432

416

422

449

466

472

478

502

514

514

526

Dec.

532

532

532

532

544

550

544

574

574

587

594

615

636

636

657

685

657

650

643

636

622

622

622

615

601

601

622

615

594

587

587

Jan.

580

562

550

538

532

532

526

514

502

520

532

544

544

544

538

532

520

514

502

490

502

514

514

520

532

550

556

544

538

562

556

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March .........................

April .........................

May ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

556

562

562

556

550

538

532

526

520

508

502

538

556

587

622

650

671

685

699

706

727

734

741

748

755

762

755

762

_

_

-

Secondfoot-days

9,484

11,578

18 , 598

542,254

16,504

17,610

27 ,083

58,001

150,420

90,700

32,575

13,316

12,995

458,864

Mar.

762

769

812

828

812

805

798

798

790

805

783

755

748

734

720

713

713

734

776

794

864

950

1,000

1,040

1,070

1,080

1,090

1,100

1,110

1,140

1,190

Maximum

355

526

68E

6,370

580

762

1,190

4,140

6,140

3,830

1,940

73f

532

6,140

Apr.

1,240

1.30C*

1,140

1,150

1,070

1,110

1,120

1,090

1,220

1,230

1,190

1,280

1,290

1,300

1,100

891

1,210

1,750

2,000

2,260

2,450

2,600

2,720

2,820

3,130

3,310

3,400

3,610

3,880

4,140

"

May

,300

,410

,490

,650

,780

,030

,240

,610

,880

,050

,140

,100

,020

,920

,730

,530

,320

,080

,830

,600

,470

,330

,150

,030

,960

,930

,010

,040

3,990

3,930

3,870

Minimum

248

305

532

248

490

502

713

3,930

1, 980

466

330

305

248

June

3,831

3,790

3,740

3,670

3,660

3,560

3,390

3,320

3,370

3,480

3,500

3,450

3,400

3,390

3,290

3,190

3,130

3,020

2,890

2,800

2,680

2,560

2,400

2,220

2,240

2,280

2,220

2,170

2,080

1,980

"

Mean

306

386

600

1 , 486

532

629

874

1 933

4^852

3,023

1,051

430

433

1,257

Jily

1,940

1,890

1,810

1,740

1,670

,580

,460

,060

,060

,080

,130

,100

3,090

3,060

990

891

855

910

873

855

837

794

778

762

746

606

484

466

526

778

754

Per 

square 

mile

0.535

.675

1.05

2 . 60

. 930

1.10

1.53

8.48

1.'84

. 75?

.757

2.20

Aug.

738

715

715

641

552

427

427

454

472

496

444

405

400

395

390

380

380

370

365

360

355

345

365

365

350

340

340

335

330

330

335

Sept.

330

325

400

449

444

490

490

490

508

532

532

526

514

502

490

502

514

496

472

460

444

410

345

325

325

350

350

340

335

305

-

Runoff

Inches Acre-feet

0.62 18, 810

.75 22,960

.1.21 36, 890

35.24 1,076,000

1.07 32,740

1.14 34,930

1.76 53,720

3.77 115,000

9.78 298,400

5.90 179, 90O

2.12 64,610

.87 26,410

 .84 25,780

29.83 910,200

Note.- Discharge Oct. 1-24 computed on basis of records for Priest Lake at outlet, near Coolin.
FEND OREILLE ROTH BASIN 267

Priest River near Priest River, Idaho

Location.- Water-stage recorder, lat. 48 0 13' long. 116°55', in NE^SE^- sec. 11, T. 56 

 N., R. 5 W., 500 feet downstream from Saddler Creek, a quarter of a mile downstream

from Lower West Branch, 2j miles north of Priest River, and 3f miles upstream from

mouth.

Drainage area.- 902 square miles.

Records available.- October 1930 to September 1947. June 1903 to April 1905, November 

1910 to April 1911, May to December 1923, and February 1929 to September 1930 at site 

3 miles downstream.

Average discharge.- 17 years (1930-47), 1,498 second-feet.

Extremes.- Maximum discharge during year, 7,120 second-ftet May 10 (gage height, 6.95 

feet); minimum, 429 second-feet Oct. 18, 19 (gage height. 1.07 feet).

1903-5, 1910-11, 1923. 1939-47: Maximum discharge, 8,890 second-feet May 23, 1932 

(gage height, 8.03 feet); minimum recorded, 184 second-feet Jan. 7, 1937 (gage height, 

0.54 foot).

Remarks.- Records excellent except those for periods of ice effect, which are good. No 

diversion above station. Some regulation on tributary and by logs dumped into outlet 

of Priest Lake.

Rating table, water year 1946-47, except periods of ice effect 

(gage height, in feet, and discharge, in second-feet)

1.0 393 2.2 1,160 5.0 4,160 

1.2 499 2.7 1,580 6.0 5,620 

1.4 615 3.3 2,150 7.0 7,200 

1.8 871 4.0 2,900

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

510 

510 

499 

505 

499

494

488 

483 

477 

467

461 

456

456 

450 

450

440 

435 

429 

429 

522

621 

597 

550 

556 

621

603 

568 

550 

545 

539 

539

Nov.

568 

550 

539 

539 

533

533 

533 

533 

528 

533

522 

510 

510 

505 

510

494

522 

726 

1,180 

912

817 

752 

791 

831 

838

892 

1,020 

1,100 

1,030 

961

Dec.

919 

*899 

878 

989 

1,040

996 

982 

1,080 

1,070 

1,140

1,260 

1,190 

1,140 

1,300 

1,510

1,270 

1,100

1,100

1,100 

1,070

1,040 

1,020 

989 

975 

961

954 

947 

860 

830 

840 

870

Jan.

875 

850 

820 

820

810

820 

820 

820 

820 

831

831 

824 

811 

791 

733

765 

798 

804 

778 

772

758 

772 

858 

1,140 

1,210

1,310 

1,090 

996 

961 

926 

878

Feb.

906 

989 

989 

940 

899

885 

851 

838 

824 

*811

831 

926 

1,090 

1,360 

1,450

1,420 

1,340 

1,310 

1,270 

1,230

1,280 

1,270 

1,290 

1,310 

1,290

1,230 

1,200 

1,220

u^ntv. Second- Month foot-days

Ootc 

Hove 

Dece

C'c

Jam 

Febi 

Hare 

Apri 

May 

June 

Julj 

Augi 

Sepl

WE

mber ......................

15,749 

>0,812 

52,319

ilendar year 1946 ......... 747,606

ary

^

 ember ..................... ]

>7,092 

51,249 

18,930 

36,590 

1,260 

)3,0?0 

57,872 

17,812 

7,425

iter year 1946-47 .......... 610,130

Mar.

1,180 

1,160 

1,240 

1,270 

1,200

1,140 

1,150 

1,140 

1,140 

1,380

1,480 

1,390 

1,330 

1,410 

1,440

1,450 

1,500 

1,600 

1,690 

1,810

1,900 

1,960 

2,010 

2,000 

1,990

1,960 

1,920 

1,890 

1,900 

2,040 

2,260

Maximum

621

1,180 

1,510

8,180

1,310 

1,450 

2,260 

5,100 

7,020 

4,310 

2,160 

864 

746

7,020

Apr.

2,350 

2,560 

2,450 

2,070 

2,090

1,960 

1,940 

1,910 

1,980

2,100

2,140 

2,180 

2,260 

2,300 

2,390

1,980 

1,990 

2,570 

2,940 

3,600

3,400 

3,490 

3,710 

3,640 

3,750

4,200 

4,310 

4,450 

4,780 

5,100

May

5 

5 

5 

5 

5

5

5 

6 

6 

7

6 

6 

6 

6 

6

6 

5 

5 

5

5

5 

4 

4 

4 

4

4 

4 

4 

4 

4 

4

Minimum

429 

494 

830

429

733 

811 

1,140 

1,910 

4,360 

2,290 

586 

467 

456

429

* winter discharge measurement made on this day. 

Mote.- Stage-discharge relation affected by ice Dec. 17, 18,

,160 

,220 

,260 

,360 

,480

,650 

,860 

,300 

,700 

,020

,940 

,860 

,770 

,610 

,420

,160 

,900 

,700 

,440 

,230

,080 

,920 

,810 

,720 

,590

,620 

,620 

610 

480 

,410 

360

June

4,310 

4,240

4,160 

4,100 

4,090

4,010 

3,850 

3,790 

3,990 

4,080

3,990 

3,890 

3,820 

3,840 

3,730

3,620 

3,530 

3,390 

3,260 

3,180

3,060 

2,940 

2,820 

2,610 

2,460

2,570 

2,550 

2,470 

2,380 

2,290

Mean

508 

694 

1,043

2,048

874 

1,116 

1,578 

2,886 

5,525 

3,434 

1,222 

575 

581

1,672

July

2 , 160 

2,130 

2,050 

1,980 

1,920

1,840 

1,770 

1,510 

1,200 

1,270

1,260 

1,260 

1,240 

1,220

1,180

1,160 

824 

989 

989 

975

961 

940 

919 

906 

885

817 

639 

597 

586 

817 

878

Per 

square 

mile

0.563 

.769 

1.16

2.27

.969 

1.24 

1.75 

3.20 

6.13 

3.81 

1.35 

.637 

.644

1.85

A'lg.

864 

858 

851 

831 

720

574 

528 

586 

615 

646

633 

574 

545 

533 

522

516 

522 

510 

494 

488

483 

494 

545 

522 

505

483 

477 

472 

467 

477 

477

Sept.

467 

461 

456 

562

586

580 

627 

652 

701 

^746

682 

652 

-627 

609 

597

627 

664 

633 

621 

609

580 

562 

522 

505 

499

499 

528 

533 

522 

516

Runoff

Inches Ac re- feet

0.6J- 31,240 

.86 41,280

1.33 64,100

30.82 1,483,000

1.12 53,740 

1.29 61,980 

2.02 97,050 

3.57 171,700 

7.06 339,700 

4.25 204,300 

1.56 75,120 

.73 35,330 

.72 34,560

25.16 1,210,000

Dec. 28 to Jan. 9.
268 KETTLE RIVER BASIN

Kettle River near Ferry, Wash. 

(International gaging station)

Location.- Water-stage recorder, lat. 48°58'40", long. 118°46'10", in lot 7, sec. 10, T. 

40 N., R. 32 E., H miles south of international boundary and Ferry and 3 mile upstream from Toroda Greek. Datum of gage Is 1,840.00 feet above mean sea level (subject to correction for datum of 1929).

Drainage area.- 2,220 square miles.

Hecords available.- August 1928 to September 1947.

Average discharge.- 19 years, 1,345 second-feet.

Extremes.- Maximum discharge during year, 9,070 second-feet May 8 (gage height, 16.39 

feet); minimum, 72 second-feet Mar. 5 (gage height, 9.29 feet).

1S28-47: Maximum discharge, 18,200 second-feet May 27, 1942 (gage height, 20.54 

feet); minimum, 14 second-feet (discharge measurement) Jan. 23, 1930, but may have 

been less during period of ice effect Jan. 18-23, 1930.

Remarks.- Records excellent except those for period of no gage-height record, which are 

1'air. Several small diversions above station for irrigation.

Cooperation.- This station is one of the international gaging stations maintained by the 

United States under agreement with Canada.

Rating table, water year 1946-47, except periods of ice effect 

(gage height, in feet, and discharge, in second-feet)

9.3 74 11.0 920 14.0 4,460 

9.6 160 11.5 1,360 15.0 6,230 

9.9 260 12.0 1,870 16.3 8,850 

10.2 395 12.5 2,430 

10.6 620 13.0 3,040

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24

25

26 

37 

28 

29 

30 

31

Oct.

163 

163 

160 

ISO 

160

160 

160 

157 

154 

154

154 

157 

151 

148 

151

151 

154 

157 

157 

160

Ifi9 

181 

184 

197 

200

218 

225

225 

208 

190 

194

Nov.

214 

204 

190 

169 

160

169 

181 

187 

187

iai

178 

163 

151 

121 

124

142 

160 

157 

124 

90

92 

97 

118 

142 

160

169 

175 

181 

181 

169

Dec.

157 

160 

175 

178 

184

181 

184 

184 

181 

178

178

160 

*160 

190 

172

b!60 

133 

103 

133 

157

160 

160 

163 

157 

157

157 

b!55 

b!55 

b!55 

154 

154

Jan.

b!50 

b!50 

a!50 

a!55 

a!55

a!60 

a!60 

a!65 

a!65 

a!70

175 

160 

157 

160 

148

148 

148 

148 

154 

154

154 

166 

157 

139 

*145

145 

145 

124 

bllO 

blOO 

b90

Feb.

b95 

b!05 

bllO 

bllO 

bllO

bllO 

bllO 

bllO 

bllO 

bllO

109 

115 

130 

154

160

169 

172 

166 

172 

166

169 

181 

190 

HOO 

218

211 

190 

190

Month

Octo 

Hove 

Decs

Ca

Janu 

Febr 

Marc 

Apr!

June 

July 

Augu 

Sept

Via

lendar year 1946

ter year 1946-47 .......................

Mar.

197 

190 

194

187 

163

157 

175 

178 

172 

169

163 

166 

166

172 

178

190 

200 

232 

276 

314

370 

415 

445 

445 

445

440 

435 

425 

440 

489 

608

Ape.

1 

1

1 

1

Z 

2 

5

3 

2 

2 

2 

2

2, 

3, 

4, 

4, 

5,

Second - 

foot -days

5,322 

4,736 

5,035

645,322

4,607 

4,142 

8,796 

59,181 

154,730 

79,910 

24,339 

9,519 

6,044

366,361

704 

792 

856 

872 

824

784 

753 

746 

768 

808

856 

880 

928 

090 

460

710 

920 

200 

490 

040

100 

850 

670 

610 

670

910 

500 

300 

960 

130

Hay

4,460 

4,150 

4,790 

5,130 

5,310

5,670 

6,420 

8,010 

8,850 

8,220

7,000 

6,420 

6,230 

5,490 

4,620

4,150 

3,850 

3,500 

3,430 

3,640

3,850 

4,000 

3,710 

4,000 

4,460

4,790 

4,960 

4,620 

4,000 

3,570 

3,430

Maximum

225 

214 

190

12,500

175 

218 

608 

5,130 

8,850 

4,300 

1,710 

620 

292

3,850

June

3,360 

3,640 

3,640 

3,360 

3,170

2,980 

2,980 

2,850 

3,300 

4,000

4,300 

3,640 

3,170 

3,040 

2,790

2,550 

2,610 

2,670 

2,310 

2,090

1,980 

1,760 

1,610 

1,510 

1,410

1,320 

1,710 

2,200 

2,090 

1,870

July

1,710 

1,510 

1,360 

1,270 

1,180

1,110 

1,030 

952 

888 

824

753 

704 

676 

614 

634

683 

792 

676 

596 

554

512 

478 

420 

395 

395

395 

395 

467 

683 

944 

739

Aug.

620 

560 

524 

472 

425

395

380 

350 

332 

318

314

309 

300 

296

280

260 

260 

260 

264 

256

246

236 

228 

225 

225

218 

208 

197 

190 

187 

184

Minimum Mean

148 172 

90 158 

103 162

90 1,768

90 149 

95 148 

157 284 

704 1,973 

3,430 4,991 

1,320 2,664 

395 785 

184 307 

160 201

90 1,004

Sept.

181 

184 

181 

175 

163

160 

160 

163 

178 

194

250 

292 

260 

236 

222

225 

222 

218 

222 

225

218 

218 

218 

204 

194

190 

181 

175 

169 

166

Runoff In 

aore-feet

10,560 

9,390 

9,990

1,280,000

9,140 

8,220 

17,450 

117,400 

306,900 

158,500 

48,280 

18,880 

11,990

726,700

* Winter discharge measurement made on this day.

a No gage-height record; discharge computed on basis of weather records and records for station 

near Laurier.

b Stage-discharge relation affected by ice.
KETTLE RIVER BASIN

Kettle River near Laurler, Wash. 

(International gaging station)

Location.- Water-stage recorder, lat. 48°50'50", long. 118°13 I 00", in SWj- sec. 11, T. 40

N., K. 36 E., 500 feet downstream from Deep Creek, if miles southeast of Laurier, and

12 miles upstream from Boulder Creek. 

Drainage area.- 3,800 square miles. 

Kecords available.- September 1929 to September 1947. 

Average discharge.- 18 years, 2,621 second-feet. 

Extremes. - Maximum discharge during year, 16,000 second-feet May 9 (gage heigl*;, 11.93

feet); minimum, 256 second-feet Nov. 19 (gage height, 2.68 feet).

1929-47: Maximum discharge, 27,400 second-feet May 28, 1942 (gage height, 15.73

feet); minimum not determined (probably occurred during winter of 1929-30).

Maximum stage known, about 22 feet sometime in May or June 1894,.from information

by local residents. 

Remarks.- Records excellent except those for periods of ice effect or no gage-height record,

which are poor. North Fork regulated by reservoir at Grand Porks, British Columbia.

Numerous small diversions for irrigation and domestic supply. 

Cooperation.- This station is one of the international gaging stations maintained by the

united States under agreement with Canada.

Rating table, water year 1946-47, except periods of ice effect 

(gage height, in feet, and discharge, in second-feet)

2.6 221 4.0 1,030 6.0 3,050 9.0 8,710 

2.8 310 4.5 1,430 6.5 3,80o 10.0 11,100 

3.0 405 5.0 1,890 7.0 4,630 11.0 13,600 

3.5 690 5.5 2,410 8.0 6,540 12.0 16,300

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

H6 

27 

28 

29 

30 

31

Oct.

564

510 

472 

488 

455

420 

405, 

376 

319 

278

352 

352 

296 

270

261

338 

343 

338 

334 

348

348 

348 

352 

386 

381

391 

400 

410 

420 

410 

395

NOV.

391 

395 

391 

371 

362

343 

343 

348 

357 

362

343 

334 

343 

319 

320

325 

329 

334 

305 

305

305 

310 

320 

330 

350

360 

370 

370 

370 

360

Dec.

350 

350 

352 

367 

367

395 

395

371 

386 

381

381 

*360 

360 

370 

350

330 

310 

300 

310 

330

340 

340 

345 

338 

329

324 

320 

310 

310 

310 

310

Jan.

310 

310 

320 

320 

330

340 

340 

360 

370 

400

410 

420 

420 

400 

380

370 

380 

400 

410 

420

440 

450 

460 

470 

470

460 

*450 

430 

410 

380 

360

Feb.

380 

420 

470 

500 

520

530 

550 

560 

570 

580

590 

600 

624 

690 

736

755

736 

774 

736 

729

684 

570 

546 

564 

588

600 

600 

564

Month

Octo 

Hove

Dece

Ca

Janu 

Pebp 

Marc 

Apr!

June 

July 

Augu 

Sept

Wa

lendar year 1946

h. ......................................

1.......................... .............

ter year 1946-47 .......................

Mar.

558 

570 

570 

576 

534

499 

477 

522 

534 

534

534

534 

540 

540 

564

600 

716 

920 

1,190 

1,390

1,610 

1,790 

1,890 

1,790 

1,700

1,660 

1,610 

1,560 

1,610 

1,740 

2,090

Apr.

2,410 

2,650 

2,840 

2,780 

2,650

2,410 

2,300 

2,300 

2,300 

2,300

2,410 

2,470 

2,530 

2,840 

3,640

4,460 

4,810 

5,170 

5,740 

6,960

7,380 

6,540 

6,140 

5,940 

5,740

6,140 

7,380 

8,940 

10,300 

10,800

Secondfoot-days

11,760 

10,365 

10,691

1,215,006

12,190 

16,766 

31,952 

141,270 

293,790 

146,550 

47,622 

20,619 

12,765

756,340

Bay

9,630 

8,480 

8,710 

9,860 

10,300

11,100 

12,000 

13,900 

15,800 

15,200

13,300 

11,800 

11,600 

11,100 

9,400

8,260 

7,600 

6,950 

6,750 

6,750

6,960 

7,600 

7,170 

7,380 

8,040

8,710 

9,170 

8,940 

7,820 

6,960 

6,540

Maximum

564 

395 

395

22,000

470 

774 

2,090 

10,800 

15,800 

7,380 

3,050 

1,310 

516

15,800

June

6,340 

6,960 

7,170 

6,750 

6,140

5,740 

5,550 

5,360 

5,940 

7,170

7,380 

6,750 

5,940 

5,360 

4,990

4,460 

4,460 

4,630 

4,290 

3,960

3,560 

3,340 

3,050 

2,840 

2,650

2,530 

2,780 

3,560 

3,560 

3,340

July

3,050 

2,780 

2,590 

2,410 

2,240

2,140 

2,040 

1,940 

1,790 

1,700

1,610 

1 , 520 

1,430 

1,350 

1,310

1,270 

1,310 

1,350 

1,230 

1,110

1,030 

1,000 

920 

876 

841

827 

848 

920 

1,190 

1,480 

1,520

Aug.

1,310 

1,190 

1,070 

1,030 

920

869 

807 

762 

722 

690

672 

672 

666 

642 

618

. 594 

576 

564 

552 

540

523 

510 

499 

488 

472

466 

460 

445 

425 

435 

425

Minimum Mean

261 379 

305 3t6 

300 3t5

261 3,339

310 393 

380 599 

477 1.031 

2,300 4,709 

6,540 9,477 

2,530 4,885 

827 1,536 

425 665 

357 426

261 2,072

Sept.

420

415 

405

386 

376

357 

371 

381 

410 

425

435 

466 

516 

482 

450

472 

466 

455 

455 

445

445 

445 

440 

440 

430

415 

405 

395

386 

376

Runoff in 

acre-feet

23,330 

20,560 

21,210

2,410,000

24,180 

33,250 

63,380 

280,200 

582,700 

290,700 

94,460 

40,900 

25,320

1,500,000

* Winter discharge measurement made on this day.

Note.- No gage-height record Nov. 15, 16, Nov. 22 to Dec. 2, Dec. 27 to Jan. 4, Feb. 3-11; discharge 

computed on basis of weather records and records for station near Ferry. Stage-discharge relation 

affected by ice Nov. 20, Dec. 12-23. Jan. 5 to Feb. 2.
270 KETTLE RIVER BASIN

Myers Creek near Myncaster, British Columbia 

(International gaging station)

Location - Water-stage recorder and 4-foot Cippoletti weir, lat. 49°00'00", long. 119°01' 

16", bO feet north of international boundary, a quarter of a mile south of Myncaster, 

British Columbia, and 4^ miles downstream from Mary Ann Creek.

Drainage area.- 80 square miles.

Records available.- October 1929 to Seotember 1947 (fragmentary) in water-suooly papers of 

Geological Survey. May 1923 to September 1929 in bulletins of Dominion Water and Power 

Burpau, Department of Mines and Resources, Canada.

Extremes.- Maximum discharge recorded during year, 30.9 second-feet June 28 (gage height, 

1.11 feet, weir out); minimum recorded, 1.7 second-feet Aug. 24 (gage height, 0.20 foot, 

weir out).

1923-47: Maximum discharge recorded, 109 second-feet June 7, 1942, result of discharge measurement; no flow July 16-18, 25, 1926, Aug. 13-25, 1939.

Remarks.- Diversions above station for irrigation. No regulation.

Cooperation.- This station is one of the international gaging stations maintained by 

Canada under agreement with the United States.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

3.6 

3.6 

4.3 

3.9 

4.1

4.1 

4.4 

4.1 

4.1 

4.0

4.6 

4.4 

4.3

4.1 

4.6

34. 8 

5.0

5.1 

5.1 

6.8

6.4 

6.6 

7.8 

9.9 

7.6

6.4 

5.8 

7.0 

5.6 

6.8 

8.4

Nov.

5.3

Dec. Jan. Feb.

Month

Octo 

Hove 

Decs

Ca

Janu 

Febr 

Marc 

Aprl 

May 

June 

July 

Augu 

Sept

Wa

lendar year

ter year .......................

Mar. Apr.

-

Secondfoot-days

167.3

-

294.5 

438.0 

137.4 

81.6 

88.3

-

May

13.7 

11.7

14.4 

12.4 

12.7 

16.2 

15.8

12.7 

12.0 

12.7 

14.1 

15.1

10.4 

9.8 

9.8 

12.0 

12.7

8.2 

8.5 

7.7 

7.7 

7.9

6.8 

6.0 

6.0 

5.5 

5.7 

6.3

Maximum

9.9

-

16.2 

24.6 

7.9 

3.9 

6.0

-

June

8.2 

13.7 

13.1 

9.8 

12.0

14.8 

16.5 

17.6 

17.6 

18.3

18.3 

17.3 

17.3 

17.6 

14.4

14.8 

21.0 

21.4 

14.4 

12.4

11.4 

10.7 

10.7 

9.8 

8.8

11.1 

24.6 

16.2 

15.1 

9.1

July

7.9 

7.1 

6.0 

5.7 

5.5

5.0 

4.6 

4.3 

4.1 

3 ,9

3.6 

3.9 

3.6 

3.9 

5.0

4.3 

3.9 

3.2

3.2 

2.7

2.7 

2.4 

2.2 

2.6 

3.2

3.9 

4.3 

7.7 

7.7 

5.2 

4.1

Aug.

3.6 

3.4 

3.9 

3.4 

3.1

2.9 

2.6 

. 2.4 

2.4 

2.9

3.4 

3.2 

3.1 

2.9 

2.6

2.6 

2.4 

2.4 

2.0 

3.1

2.2

2.4 

2.4 

2.2 

2.2

2.0 

2.0 

2.0 

1.9 

2.0 

2.0

Minimum Mean

3.6 5.4

-

5.5 10.5 

8.2 14.6 

2.2 4.4 

1.9 2.6 

1.9 2.9

-

Sept.

2.2

2.0 

2.0 

2.0 

1.9

1.9 

2.4 

2.7 

3.1 

3.2

2.6 

2.4 

2.0 

2.0 

1.9

3.6 

3.9 

3.1 

3.1 

2.9

2.7 

2.4 

2.6 

2.6 

3.1

6.0 

4.8 

4.6 

4.3 

4.3

Runoff In 

acre-feet

332

-

584 

869 

273 

162 

175

-

a No gage-height record; discharge Interpolated.
COLVILLE RIVER BASIN 271 

Colville River at Kettle Falls, Wash.

Location.- Staff gage, lat. 48°36', long. 118°04', in sec. 29, T. 36 N., R. 38 E., 500 

feet downstream from Stevens County Light & Power Co.'s plant at foot of Meyers Falls, 

half a mile south of town of Kettle Falls, and 5 miles upstream from mouth.

Records available.- October 1922 to September 1947. 

Average discharge.^ 25 years, 245 second-feet.

Extremes.- Maximum discharge observed during year, 668 second-feet Apr. 21, 22, 24; maximum gage height, 6.80 feet Apr. 21, 24; minimum discharge observed, 15 seiond-feet 

(regulated) July 24, 26 (gage height, 4.18 feet).

192^-47: Maximum discharge observed, 2,720 second-feet Apr. 20, 1938; minimum observed, 0.5 second-foot Aug. 15, 1930.

Remarks.- Records good except those for periods of ice effect, which are poo". Gage read 

twice daily. Several ditches divert water above station for irrigation. Slight regulation for power by small reservoir above falls.

Cooperation.- Gage-height record furnished by Washington Water Power Co.

Rating table, water year 1946-47, except periods of ice effect 

(gage height, in feet, and discharge, in second-feet)

4.4 27 5.0 85 6.O 334 

4.6 42 5.2 118 6.5 533 

4.8 51 5.5 184 7.0 762

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4

5

6 

7 

8 

9 

10

11 

12 

13 

14

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

102 

107 

105 

105 

105

105 

105 

105 

104 

92

100

loo

97 

97 

100

104 

104 

107

160 

111

136 

138 

160 

172 

149

149 

149 

134 

138 

136 

132

Nov.

132 

138 

138 

138 

134

138 

128 

138 

138 

138

138 

128 

126 

126 

126

126 

134 

138 

160 

197

160 

160 

160 

197 

210

210 

210 

224 

238 

238

Dec.

238 

224 

224 

210 

224

224 

238 

238 

238 

238

238 

*238 

238 

238 

224

224 

138 

138 

b!60 

b!60

b!60 

b!60 

b!60 

b!50 

b!50

b!50 

b!50 

138 

114 

92 

122

Jan.

120 

118 

b!18 

bl!8 

b!34

b!34 

134 

134 

b!34 

b!34

b!34 

b!34 

b!34

b!28 

b!20

138 

138 

b!38 

b!30 

b!30

b!30 

b!30 

160 

184

238

*b235 

b220 

b200 

b!85 

b!85- 

b!75

Feb.

bl80 

184 

184 

b!84 

b!84

b!84 

b!84 

b!75 

b!68 

160

172 

197 

300 

370 

370

389 

389 

370 

370 

317

317 

300 

284 

284 

284

284

268 

268

Month

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Mare 

Apr! 

May.

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

253 

253 

253 

253 

253

238 

238 

238 

238 

238

268 

268 

284 

284 

300

300 

300 

317 

334 

352

370 

389 

408 

408 

389

370 

370 

370 

370 

37O 

389

Apr.

408 

448 

469 

490 

490

490 

469 

448 

448 

469

490 

490 

490 

490 

490

490 

512 

512 

512 

577

668 

668 

622 

668 

577

533 

533 

533 

533 

512

Secondfoot -days

3,708 

4,796 

5,838

126,623

4,644 

7,320 

9,665 

15,529 

9,760 

5,795 

2,248 

1,378 

2,234

72,915

May

490 

490 

469 

443 

448

428 

408 

389 

389 

389

370 

352 

352 

334 

317

317 

300 

284

268 

268

268 

253 

238 

224 

210

197 

184 

184 

172 

160 

160

Maximum

172 

238 

238

1,710

238 

389 

408 

668 

490 

253 

138 

85 

104

668

June

184 

210 

210 

210 

184

210 

210 

210 

238 

253

238 

238 

224 

224 

238

238 

224 

210 

197 

184

172 

160 

149 

138 

136

132 

138 

149 

149 

138

July

138 

130 

120 

111 

104

100 

91 

91 

77 

78

78 

75 

61 

88 

66

56 

53 

53 

53 

51

46 

46 

44 

41 

34

33 

58 

53 

53 

80 

86

Aug.

85 

46 

47 

47 

40

42 

44 

43 

40 

44

44 

49 

59 

44 

40

39 

39 

42

37 

37

38 

36 

36 

37 

42

44 

46 

49 

42 

60 

40

Sept.

42 

75 

64 

61

63

55

43 

72

63 

86

100 

100 

100 

73 

85

72 

75 

78 

104 

80

63 

92 

77 

75 

68

68 

77 

77 

75 

71

Mini* Mean ^

92 120 7.,350 

126 160 9,510 

92 188 11,580

66 347 251,100

118 150 9,210 

160 261 14,520 

238 312 19,170 

408 518 30,800 

160 315 19,360 

132 193 11,490 

33 72.5 4,460 

36 44.5 2,730 

42 74.5 4,430

33 200 144,600

* Winter discharge measurement made on this day. 

b Stage-discharge relation affected by Ice.
272 COLVILLE RIVER BASIN

Mill Creek near Colvllle, Wash.

Location.- Water-stage recorder, lat. 48°34'55", long. 117°51'00", in lot 3, NW^ sec. 35, 

T. 3t> N., R. 39 E. , 3 miles northeast of Colville and 5 miles downstream from North 

Pork. Datum of gage is 1,964.3 feet above mean sea level (Stevens County bench mark, 

subject to correction to datum of 1929).

Drainage area.- 82 square miles.

Records available.- February 1940 to September 1947.

Extremes.- Maximum discharge during year, 230 second-feet Apr. 20 (gage height, 3.77 feet); 

minimum, 6.7 second-feet Sept. 4 (gage height, 1.46 feet).

1940-47: Maximum discharge, 466 second-feet Apr. 19, 1946 (gage height, 5.19 feet); 

minimum recorded, 3.6 second-feet Aug. 28, 31, Sept. 1, 1940, but may have been less 

during period of no gage-height record Feb. 1-4, 1940.

Remarks.- Records good except those for periods of backwater from beaver dams, which are 

poor. Some diversion above station for irrigation. No regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

11

12

10

10

11

12

12

12

14

17

18

18

19

20

20

20

20

20

19

23

31

26

23

25

29

24

22

21

20

19

18

Nov.

19

18

17

17

18

18

18

18

17

18

18

16

16

16

16

IS

17

20

40

28

24

24

25

26

25

25

30

37

31

28

-

Dec.

26

25

25

32

37

33

31

33

32

28

27

25

22

20

20

17

12

13

15

15

15

15

15

14

14

14

14

12

12

11

12

Jan.

12

11

11

11

12

12

12

12

12

12

12

12

12

11

10

12

12

12

11

11

11

11

12

16

22

22

18

15

15

15

13

Month

October .......................

November ......................

December ......................

Calendar year 1945 .........

January .......................

February ......................

March .........................

April .........................

May ...........................

June ................. ........

July ........................ .

August ........................

September .....................

Water year 1946-47 ..........

Feb.

14

15

15

15

15

15

15

14

13

13

15

26

35

47

56

48

41

36

33

31

30

31

34

38

36

34

29

31

_

-

Secondfoot-days

576

655

636

"1

402

775

1,732

4,246

2,413

1,173

497 

447

319.5

13,871.5

Mar.

30

29

32

32

27

25

29

27

27

30

34

34

31

35

38

44

53

64

72

78

86

91

88

85

81

78

77

79

84

100

112

Maximum

31

40

37

448

22

56

112

216

136

60

25 

16

16

216

Apr.

122

130

122

121

115

110

105

105

116

130

125

122

126

139

147

142

146

146

172

216

195

174

167

159

15*

151

151

150

148

142

May

136

132

125

120

115

110

104

104

108

99

92

87

85

85

74

70

G7

64

64

60

57

54

52

50

47

45

43

41

40

39

44

Minimum

10

15

11

6.9

10

13

25

105

39

26

10 

12

7.3

7.3

June

47

51

47

43

41

41

43

47

60

55

48

44

43

47

42

40

39

36

34

33

31

29

28

27

26

28

34

33

29

27

-

Mean

21 . 8

20.5

58.0

13.0

27.7

55.9

142

39 1

16.0

14.4

10.6

38.0

July

25

23

23

22

20

18

18

17

17

16

16

16

15

15

14

14

13

13

12

12

12

11

11

10

12

13

15

23

20

16

15

Per 

square 

mile

0.227

. 266

. 250

.707

.159

. 682

1.73

949

.477

195

.176

.129

.463

Aug.

IS

IS

IS

15

IS

14

14

14

IS

16

16

16

15

14

14

15

15

14

14

14

14

14

14

15

IS

IS

14

14

13

12

12

Sept.

11

9.7

8.6

7.6

7.3

7.6

9.3

11

14

16

12

10

9.0

9.7

9.7

10

11

11

11

11

11

11

11

11

11

12

12

12

11

11

-

Runoff

Inches

0 . 26

.30

.29

9. 60

. 18

.35

.79

1 93

1.09

.53

23

!20

.14

6.29

Ac re- feet

1,140

1,300 

1,260

42,000

797

1,540

3,440

8,420

4,790 

2,330

986

634

27,520

Note.- Backwater from beaver dams Oct. 1-30, July 24 to Sept. 30.
SPOKANE RIVER BASIN

Coeur d'Alene River near Prichard, Idaho

Location.- Staff gage, lat. 47°38', long. 115°59' in lot 7, sec. 32, T. 50 N., R. 4 E.,

 0.2 mile downstream from Beayer Creek and 1-f miles southwest of Prichard.

Drainage area.- 596 square miles .

Records available.- August 1944 to September 1947.

Extremes . - Maximum daily discharge during year, 16,000 second-feet Dec. 15, computed on

 Basis of records for stations at EnavTlle and near Cataldo; minimum obse-ved, 120 

second-feet Oct. 17-19 (gage heights, 1.54 feet).

1944-47: Maximum daily discharge, that of Dec. 15, 1946; minimum observed, 90

... - ._...... (gage height, 1.00 foot).

Revisions.- The maximum daily discharge for the period 1944 to April 1948, pubsecpnd-feet Sept. 13, 194<~ '.sions . - The maximuL. ___ ___. - ..._ ___ _ .. ,_ .. 

lished in Water--Supply Paper 1080, should be that of Dec. 15, 1946.

Remarks.- Records good except those for periods of no gage-height record, which are poor. 

 Gage read once daily. No diversion above station.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9

10

11 

12 

13 

14 

15

16

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

140 

146 

146 

146 

143

143 

137 

137 

137 

137

128 

128 

128 

128 

128

128 

120 

120 

120 

180

492 

398 

403 

369 

795

659 

473 

394 

344 

296 

266

Nov.

266 

258 

243 

222

215

201 

201 

201 

201 

194

190 

180 

170 

165 

165

165 

200 

1,900 

5,000 

4,000

2,500 

1,900 

2,100 

2,300 

2,200

2,600 

3,100 

4,400 

3,900 

2,800

Dec.

2,200 

1,900 

1,570 

1,500 

1,400

1,400 

1,400 

1,500 

1,500 

1,550

3,000 

4,500 

5,100 

12,500 

16.000

11,500 

6.100 

4,100 

3,200 

2,500

2,100 

2,000 

1,700 

1,500 

1,400

1,300 

1,300 

1,150 

980 

960 

940

Jan.

930 

800 

800 

900 

900

980 

850 

740 

6SO 

700

700 

680 

650 

600 

540

500 

530 

520 

510 

500

500 

520 

900 

3,000 

4,000

3,800 

3,200 

2,600 

2,000 

1,900 

1,500

Month

Octo 

Nove 

Dece

Ca

Jami 

Febi

Hare

Hay1 

June 

Julj 

Augu 

Sept

Wa

mber ......................

lendar year 1946 

ary

ember .....................

ter year 1946-47 .. i .......

Feb.

1,400 

1,900 

1,900 

1,650 

1,500

1,330 

1,190

1,090 

1,070 

1,060

1,170 

1,330 

1,820 

2,400 

2,680

3,460 

3,320 

2,930 

2,570 

2,190

2,050 

1,870 

1,810 

1,930 

1,940

1,840 

1,760 

1,700

Secondfoot-days

7,609 

42,137 

99,7aO

622,176

37,930 

52,860 

69,270 

110,860 

81,420 

29,220 

11,689 

6,584 

6,427

555,756

Mar.

1,540 

1,490 

1,600 

1,450 

1,300

1,190 

1,180 

1,150 

1,060 

1,230

1,240 

1,490 

1,420 

1,390 

1,450

1,740 

2,180 

2,870 

3,590 

3,810

3,670 

4,200 

4,280 

3,690 

3,080

2,730 

2,380 

2,260 

2,410 

2,840 

3,360

Maximum

795 

5,000 

16,000

16,000

4,000 

3,460 

4,280 

6,030 

5,230 

1,500 

600 

251 

296

16,000

Apr.

3,590 

3,490 

3,360 

3,180 

2,900

2,630 

2,350 

2,240 

2,220 

2,200

2,220 

2,210 

2,230 

2,900 

4,380

4,280 

4,240 

4,360 

4,890 

6,030

4,920 

4,150 

3,700 

3,530 

3,430

3,850 

4,700 

5,710 

5,870 

5,100

Hay

 3,980 

4,090 

5,230 

4,800 

4,420

4,330 

4,440 

4,820 

4,220 

3,940

3,230 

2,950 

2,640 

2,410 

2,150

2,020 

1,840 

1,730 

1,650 

1,590

1,670 

1,570 

1,460 

1,410 

1,430

1,400 

1,370 

1,240 

1,190 

1,100 

1,100

Minimum

120 

165

940

120

500 

1,060 

1,060 

2,200 

1,100 

630 

273 

175 

175

120

June

1,100 

1,050 

1,000 

1,050 

1,000

1,000 

1,000 

970 

1,250 

1,500

1,450 

1,300 

1,200 

1,200 

1,100

1,050 

1,000 

960 

920 

860

820 

760 

720 

700 

680

700 

800 

750 

700 

630

Mean

245 

1,405 

3.E18

1,705

1,224 

1,888 

2,235 

3,695 

2,626 

974 

377 

212 

214

1,523

July

600 

560 

540 

520 

500

480 

460 

440 

420 

437

394 

381

369 

360 

390

352 

336 

328 

316 

292

300 

300 

300 

295 

292

289 

292 

292 

289 

292 

273

Per 

square 

mile

0.411 

2.36 

5.40

2.86

2.05 

3.17 

3.75 

6.20 

4.41 

1.63 

.633 

.356 

.359

2.56

Aug.

251 

247 

222 

225 

226

226 

218 

212 

208 

229

240 

226 

240 

218

208

208 

204 

198 

198 

184

188 

191 

198 

247 

212

198 

188 

181 

175

210 

208

Sept.

205 

178 

175 

175 

175

178 

200 

296 

292 

281

232 

232 

229 

235

243

258 

292 

247 

232 

226

212 

198 

184 

178 

178

178 

184 

178 

178 

178

Runoff

Inches

0.47 

2.63 

6.22

38.82

2.37 

3.30 

4.32 

6.92 

5.09 

1.82 

.73 

.41 

.40

34.68

Acre-feet

15,090 

83,580 

197,900

1,234,000

75,230 

104,800 

137,400 

219,900 

161,500 

57,960 

23,180 

13,060 

12,750

1,102,000

Note.- Ho gage-height record Oct. 20, Nov. 11 to Dec. 2, Dec. 

15, June 17 to July 8, July 14, 24, Aug. 4, 30, Sept. 1, 7, 14; 

weather records and records for stations at Enaville and near C

4 to Feb. 5, Feb. 21, May 30 to June 

discharge computed on basis of 

italdo.
274 SPOKANE RIVER BASIN

Cneur d'Alene River at Enavillc, Idaho

Location.- Water-stage recorder, lat. 47°34', long. 116 0 15', in NWir sec. 30, T. 49 K., R. 

a a., 800 feet upstream fmm highway bridge, a quarter of a mile northwest of Enavillc 

post office, 1.1 miles upstream from South Fork, and 3.5 miles downstream from North 

Fork. Datum of gage is 2,100.00 feet above mean sea level, referenced to bench mark 

near mouth nf North Fork, elevation, 2,204.880 feet (U. S. Geol. Survey Bull. 567, 

p. 82).

Drainage area.- 895 square miles.

Records available.- October 1939 to September 1947. March 1911 to April 1913 (fragmentary 

records collected at site a quarter of a mile downstream, published as North Fork of 

Coeur d'Alene River at Enaville).

Extremes.- Maximum discharge during year, 28,100 second-feet Dec. 15 (grge height, 74.79 

feet), from rating curve extended above 13,000 second-feet by logarithmic plotting; 

minimum not determined, occurred during periods of backwater from logs; minimum daily, 

210 second-feet net. 14-17; minimum gage height, 60.43 feet Sept. 6.

1939-47: Maximum discharge, that of Dec. 15, 1946; minimum daily, 145 second-feet 

Dec. 24, 1944; minimum gage height, 60.16 feet Nov. 19, 1944.

From local information concerning high-water marks, flood in December 1933 reached 

a stage of 79.47 feet and that in April 1938 a stage of 78.16 feet.

Revisions.- The maximum discharge for the period 1944 to April 19<*8, published in 

Water-Supply Paper 1080, should be that of Dec. 15, 1946.

Remarks.- Records good except those for periods of ice effect or backwater from logs, which 

are 1'air. No appreciable diversion OB regulation above station.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

230

240

235

235

240

240

235

230

230

230

225

220

215

210

210

210

210

215

215

270

560

690

730

700

1,000

1,330

982

737

602

537

480

Nov.

499

480

424

384

370

362

366

373

366

358

355

341

324

308

311

308

314

a2,500

a8,000

a6,000

a3,000

f2,210

2,230

2,650

2,560

a2,800

a4,000

a6,5OO

a6,000

a4,000

-

Dec.

f3,310

2,910

*2,590

2,350

2,240

2,100

2,000

2,040

2,060

2,150

4,420

7,090

8,300

17,600

25,900

18,600

9,410

6,520

5,040

4,170

3,620

3,260

2,850

2,550

2,340

2,250

2,160

1,940

1,660

1,650

bl,600

Jan.

bl,600

bl,300

bl,300

bl,500

bl.500

bl,700

bl,450

bl,350

1,250

1,250

1,270

1,210

1,140

1,090

bl.OOO

938

982

974

960

946

938

967

1,560

5,170

6,450

5,970

5,040

4,030

3,400

3,100

2,590

Month

October .......................

Novembe r ......................

Decembe r ......................

Calendar year 1946 .........

January .......................

February ......................

March .........................

April .........................

Hay ...........................

Jnne ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

2,580

3,100

3,120

2,810

2,590

*2,330

2,130

1,910

1,810

bl,750

bl,800

1,990

2,610

3,480

5,030

6,060

5,670

4,980

4,350

3,790

3,550

3,280

3,140

3,230

3,320

3,190

3,020

2,930

-

_

-

Second 

foot-days

12 ,893

iseleso

y^tfa , 3 / fa

63

89 , 550

109,700

105 950 39 , 627

16,651

10,087 

9,282

822,798

Mar.

2,640

2,510

2,620

2,620

2,330

2,160

2,100

2,020

1,940

2,100

2,580

2,700

2,560

2,470

2,500

2,740

3,310

4,230

5,280

*5,770

5,720

6,090

6,580

5,840

4,820

4,230

3,730

3,450

3,420

3,800

4,840

Maximum

1,330

ps'qor » y^-'o

25,900

6,450

6,060 

6,580

7,450

6,210 

2,110

818

373

416

25,900

Apr.

5,670

5,640

5,280

4,880

4,360

3,890

3,450

3,220

3,160

3,270

3,320

3,200

3,150

3,550

5,030

5,720

5,520

5.7OO

6,300

7,450

7,230

5,900

5,120

4,710

4,500

4,660

5,430

6,580

7,050

6,820

-

May

5,650

4,950

6,110

6,210

5,700

5,430

5,460

5,840

5,490

5,120

4,460

3,920

3,570

3,240

2,940

2,730

2,560

2,370

2,240

2,160

2,160

2,100

1,990

1,880

1,840

1,820

1,800

1,710

1,590

1,470

1,440

Minimum

210

308

1,600

210

938 1 7 50

1J940

3,150 

1,440

384

250

210

June

1,460

1,390

1,300

1,360

1,340

1,310

1,290

1,280

1,640

2,110

2,000

1,760

1,630

1,670

1,520

' 1,430

1,400

1,350

1,260

1,180

1,120

1,060

1,010

953

910

953

1,120

1,020

938

863

-

Mean

416

1 j 956

c r\c.A 0 , kJO-X

o ^03 L. , 0 J^

2,062

3 539

4J992

',;? '537

325

309

2,254

July

818

774

743

719

690

668

646

324

302

582

576

561

542

532

571

537

199

185

167

454

441

128

124

120

416

420

L

^

t!2

U2

108

596

384

Per 

square 

mile

0.465

2.19

5.65

2.90

2.30

3.57 3 95 ^ ' _

IB?

1^48

.600

. 363

.345

2.52

Aug.

373

366

358

355

351

341

534

527

527

344

355

544

351

534

320

314

v

511

305

92

286

292

;

;

98

27

48

331

308

2

2

2

95

89

83

14

314

Sept.

3J4

292

280

266

256

250

269

324

384

412

381

327

295

272

264

317

416

396

358

348

324

302

289

278

269

280

292

286

275

266

-

Runoff

Inches

0.54

2.44

6.51

39 " 34

2 . 66

3.72

4.56

6 . 22

4.40

1.65

. 69

.42

.39

34.20

Acre-feet

25,570

116,400

310,800

1 877 J >

1 2 6,80O

177,600

217,600

210! 100

78,600

33,030

20,010

18,410

1,632,000

* Winter discharge measurement made on this day.

a No gage-height record; discharge computed on basis of records for station near Cataldo.

b Stage-discharge relation affected by Ice.

f Computed from partly estimated gage-height record.

Hote.- Backwater from logs on control Oct. 1-25.
SPOKANE RIVER BASIN 275

Coeur d'Alene River near Cataldo, Idaho

Location.-- Water-stage recorder, lat. 47°34', long. 116°18', in sec. 26, T. 49 N., R". 1 E. 

 If miles upstream from Cataldo and 3 miles downstream from South Pork. Datum of gage

is 2,100.00 feet above mean sea level, referenced to bench mark "2143 S" (D. S. Qeol.

Survey Bull. 567, p. 82).

Drainage area,- 1,220 square miles.

Records available.- April 1911 to December 1912, July 1920 to September 1947.

Average discharge.- 28 years, 2,333 second-feet.

Extremes.- Maximum discharge during year, 36,000 second-feet Dec. 15 (gage height, 51.35 

reetj; minimum, 272 second-feet Oct. 15; minimum gage height, 37.98 feet Sept. 6.

1911-12, 1920-47: Maximum discharge, 55,300 second-feet Dec. 22 or 23, 1933 (gage 

height, 56.9 feet, from floodmark), from rating curve extended above 24,000 secondfeet by logarithmic plotting; minimum, 122 second-feet Dec. 4, 1929; minimim gage 

height, 37.03 feet Sept. 6, 1931.

Remarks.- Records good. No appreciable diversion or regulation above station.

Cooperation.- Water-stage recorder graph and six discharge measurements furnished by 

Washington Water Power Co.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

307

325

320

320

325

325

320

312

316

312

307

302

298

294

285

285

285

294

294

252

772

958

1,040

940

1,390

1,790

1,970

fl,280

908

780

672

Nov.

700

651

574

518

488

482

494

500

488

476

470

452

430

410

410

405

488

3/840

10,100

8,290

5,120

3,880

4,250

4,740

4,410

5,310

6,360

9,140

8,100

5,890

-

Dec.

4,720

3,980

f3,430

3,130

3,020

3,050

3,040

3,130

3,210

3,380

6,360

9,630

11,000

20,600

31,900

23,200

12,600

8,460

6,500

*5,210

4,460

4,040

3,550

3,150

2,880

2,740

2,640

2,370

2,000

1,960

1,920

Jan.

1,910

1,590

1)1,620

1)1,800

bl,830

2,020

1,710

1,510

1,400

1,440

1,470

1,400

1,330

1,260

1,100

1,040

1,090

J,080

1,070

1,030

1,030

1,070

1,860

6,150

8,250

7,860

6,670

5,290

4,360

3,920

3,320

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

llaroh .........................

April .........................

Bay ...........................

June ..........................

July ..........................

August ........................

September .....................

Water year 1946-47 ..........

Feb.

2,980

4.O3O

4,110

3,590

3,280

2,960

*2,710

2,450

2,320

2,250

2,270

2,550

3,560

4,600

6,190

7,290

6,870

6,030

5,290

4,560

4,280

3,920

3,740

3,840

3,940

3,800

3,620

3,480

-

_

-

Secondfoot-days

18 , 678

201^260

1,237,041

78 ,480

110,510

135,900

198 , 700

161,150

59,170 

22 ,866

13,154 

12,681

1,100,415

Mar.

3,130

2,960

3,090

3,110

2,820

2,580

2,490

2,380

2,280

2,590

3,220

3,380

3,210

3,100

3,130

3,420

4,140

5,270

6,540

7,090

7,090

7,530

8,050

7,270

6,070

5,370

4,720

4,380

4,360

4/540

6,190

Maximum

1,970

10,100

Jl , y(J(J

31,900

8 ,250

7,290 

8,050

9J 240

3,040

1,210 

470

560

31,900

Apr.

7,100

7,100

6,740

6,250

5,630

5,070

4,600

4,250

4,150

4,280

4,310

4,150

4,120

4,670

6,720

7,530

7,430

7,620

8,270

9,500

9,270

7,740

6,870

6,430

6,230

6,610

7,650

9,140

9,820

9,450

May

7,890

7,310

9,090

9,240

8,580

8,250

8,340

9,190

8,490

7,670

6,630

5,870

5,370

4,940

4,460

4,150

3,890

3,620

3,460

3,360

3,390

3,320

3,110

2,970

2,940

2,940

2,870

2,740

2,510

2,290

2,270

Minimum

285

405

1,920

285

1,030

2,250 2 , 280

4,120

2,270

1,270 

482

385

320

285

June

2,270

2,150

2,010

2,120

2,050

2,060

2,010

1,980

2,520

3,040

2,920

2,610

2,450

2,440

2,230

2,090

2,050

1,950

1,840

1,730

1,650

1,550

1,480

1,420

1,360

1,410

1,620

1,510

1,380

1,270

-

Mean

603

2 929

6)492

3,389

2 532

3 947

4J384

6,623

5,198

1,972

424

423

3,015

July

1,210

1,140

1,090

1,060

1,010

976

324

892

852

820

812

788

756

732

788

740

672

644

609

581

560

548

542

536

530

530

518

518

506

500

482

Per

square 

mile

0.494

2.40

2.78

2.08

3 . 24

3 . 59

5 *43

4 26

1 .62

.605

. 348

.347

2.47

Aug.

464

458

452

452

446

430

420

415

415

435

440

430

435

430

415

400

410

400

385

390

395

410

446

470

446

420

400

390

385

435

435

Sept.

430

420

385

366

334

320

338

410

482

536

5OO

430

376

348

343

430

560

554

518

494

476

440

420

405

395

400

410

400

390

371

-

Runoff

Inches Acre-feet

0.57 37,050

2.68 174,300

6.14 399,200

37.72 2,454,000

2 . 3? 155, 700

3.37 219,200

4.14 269, 600

6.06 394,100

4.91 319,600

1.80 117,400

.70 45,350

.40 26,090

.39 £5,150

33.55 2,183,000

* Winter discharge measurement made on this day.

b Stage-discharge relation affected by ice.

f Computed from partly estimated gage-height graph.
SPOKANE RIVER BASIN 

Coeur d'Alene Lake at Coeur d'Alene Idaho

Location.- Wa,ter-stage recorder, lat. 47°40', long. 116°46', in sec. 24, T. 50 N., R. 4 W. , 

5UO feet southwest of south end of Eleventh Street, Coeur d'Alene. Datum of gage Is 

2,100.00 feet above mean rea level, referred to originally accepted elevation (2,157.40 

feet) of Geological Survey bench mark In southeast corner of Merriam Building (see 

Water-Supply Paper 882).

Drainage area.- 3,750 square miles.

Records available.- February 1905 to September 1947. 

Joe Boom Uo. T s gage at mouth of St. Joe River.

Aoril 1903 to Febriary 1905 at St.

Extremes.- Maximum contents during year, 432,000 acre-feet Dec. 18 (elevation, 2,131.74 

FeeTTF minimum, 137,400 acre-feet Feb. 12, 13, Mar. 10 (elevation, 2,125.08 feet).

1903-47: Maximum contents, 834,900 acre-feet Dec. 25, 1933 (elevation, 2,139.05 

feet); minimum, 2,700 acre-feet below zero of contents table Oct. 10-12, 1904, Sept. 24 

25, 1905, Oct. 14 to Nov. 3, 1906 (elevation, 2,119.9 feet).

Maximum contents known prior to 1903, 753,300 acre-feet May 31, 1834 (elevation 

2,137.6 feet,- from high-water marks).

Remarks . - By regulation aj, Post Falls Dam the Washington Water Power Co. stores water in 

Cueur d'Alene Lake for power generation at Post Falls and other plants on Spokane River. 

Storage is within natural range of lake stage. Contents given herein are those above 

elevation 2,120.0 feet

Cooperation.- Gage-height record furnished by Washington Water Power Co.

Capacity table (elevation, in f

(Prepared on basis of area curve of Washington Water Po

t, and contents, in acre-feet) 

Co.)

53,700 

L07,9OO 

162,900

2,128

2,130

2,132

2,134

238,500

339,700

446,000

554,400

2,136 664,4OO

2,138 775,70'J

2.140 889,000

Day

1

2

3

4

S

e

7

8

9

10

11

12

13

14

IS

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oft.

26.18

26.17

26.11

26.08

26.02

25.99

25.97

C5.92

25.88

25.82

25.80

25.74

25.74

25.71

25.63

25.61

25.57

25.52

25.48

25.51

25.56

25.35

25.70

25.81

25.85

26.01

26.14

26.26

26.30

26.33

26.38

Dally mean elevation, in feet, water year October 1946 to September 1947

Nov.

26.39

26.37

26.33

26.28

26.24

26.20

26.16

26.12

26.09

26.07

26.01

25.96

25.88 25. rs

25.72

25.66

25.70

25.86

£6.29

26.85

27.12

27.29

27.46

27.44

27.38

27.36

27.44

27.54

27.69

27.71

-

Dec.

27.63

27.53

27.68

27.71

27.74

27.71

27.70

27.70

27.70

27.72

27 .82

28.21

28.37

28.61

29.29

30.45

31.48

31.71

31.51

31.11

30.67

30.19

29.72

29.25

28.81

28.39

28.03

27.83

27.78

27.75

27.72

Jan.

27.63

27.55

27 .42

27 .27

27.13

27 .07

27.00

26.92

26.84

26.78

26.71

26.69

26.60

26.52

26.39

26.24

26.10

26.00

25.87

25.71

25.60

25.48

25.43

25.76

26.32

26.78

27.07

27.13

27.07

26.92

26.65

Feb.

26.44

26.33

26.27

26.22

26.16

26.05

25.89

25.70

25.53

25.31

25.17

25.10

25.11

25.27

25.50

25.84

26.16

26.37

26.48

26.50

26.48

26.42

26.35

26.28

26.23

26.18

26.10

26.01

_

_

-

Mar.

25.91

25.80

25.70

25.62

25.58

25.50

25.39

25.27

25.17

25.10

25.14

25.21

25.23

25.23

25.22

25.23

25.28

25.40

25.64

25.92

26.19

26.40

26.62

26.86

26.97

27.00

26.97

26.88

26.77

26.71

26.78

Apr.

26.94

27.14

27.29

27 .40

27.42

27.41

27.32

27.20

27.10

27. OO

26.89

26.77

26.65

26.57

26.58

26.72

26.91

27.12

27.37

27.61

27.88

28.11

^28.23

28.28

28.29

28.29

28.33

28.44

28.67

' 28.92

May

29.15

29.28

29.35

29.54

29.75

29.91

30.07

30.20

30.40

30.56

30.58

30.48

30.27

3O.OO

29.76

29.49

29.20

28.92

28.63

28.38

28.11

27.92

27.71

27.50

27.32

27.18

27.08

27.12

27.22

27.29

27.42

June

27.62

27.77

27.91

27.90

27.91

28.01

28.01

28. 02

28.07

28.00

28.01

28.01

E8.02

28.06

28.02

27.99

28.01

27.99

27.99

27. J8

27.98

27.99

27.99

28.00

28.01

28.03

28.00

27.98

27.97

27.96

-

July

27.96

27,97

27. 9&

27.95

27.94

27.98

27.99

27.93

27.83

27.79

27 .77

27.71

27.61

27.57

27.51

27.43

27.35

27.30

27.23

2T.14

27.06

27.01

26.93

26.84

26.74

26.70

26.66

26.69

26.64

26.57

26.57

Aug.

26.57

26.57

26.56

26.52

26.49

26.45

26.47

26.49

26.47

h26.46

26.52

26.52

26.53

26.53

26.53

26.53

26.51

26.52

26.50

26.47

26.47

26.46

26.48

26.48

26.47

26.46

26.47

26.50

26.50

26.51

26.52

Sept.

26.52

26.52

26.52

h26.52

26.48

26.46

26.52

26.52

26.51

26.52

26.50

26.48

26.42

26.43

2B.43

26.49

26.50

26.50

26.55

26.56

26.53

26.50

26.47

26.43

26.40

26.42

26.41

26.39

26.36

26.34

h Staff-gage reading.

Note.- Add 2,100 feet to obtain elevation above mean sea level.

Monthly elevation and contents, water year October 1946 to September 1947

Date

Calendar year

Auff ^1

Sept. 10............. ....

Water year 1946-47....

Elevation 

(feet) r

-

2,126.33

-

Contents 

(acre-feet)

-

172,600

-

Change in contents 

during month 

(acre-feet)

-

+27,100

-1,200

-6,300

+3,900

t Elevation at 12 p.m.
SPOKANE RIVER BASIN 

Spokane River at Post Palls, Idaho

277

Location.- Water-stage recorder, lat. 47°42', long. 116°58 t , in sec. 4, T. 50 N., R. 5 W.,

1,500 feet dovmstream from power plant of Washington Water Power Co., 3,300 feet downstream from intake of Spokane Valley Farms Co.'s canal, and 1 mile west of Post Falls.

Datum of gage is 2,000.00 feet above mean sea level, referenced to same dftum as gage

on Coeur d'Alene Lake at Coeur d'Alene (see preceding page). 

Drainage area.- 3,880 square miles. 

Hecords available.- January 1913 to September 1947. 

Average discharge.- River only, 34 years, 5,757 second-feet; river, Spokane Valley Farms

Co.'s canal, and Rathdrum Prairie Canal, 34 years, 5,843 second-feet. 

Extremes.- Maximum discharge during year, 25,700 second-feet (regulated) Dec. 18 (gage

height, 75.68 feet); minimum, 139 second-feet (regulated) Aug. 11 (gage height, 64.20

feet); minimum daily, 141 second-feet (regulated) Aug. 10.

1913-47: Maximum discharge, 50,100 second-feet when recorder was not operating Dec.

25, 1933 (determined from unpublished records collected by Washington Water Power Co.

for station at Liberty Bridge); minimum, that of Aug. 11, 1947; minimum daily, that of

Aug. 10, 1947. 

Remarks.- Records good. Spokane Valley Farms Co.'s canal (see p. 286) and Rathdrum Prairie

canal (see p. 285) divert water above gage for irrigation. Flow partly regulated by

Coeur d'Alene Lake (see preceding page). 

Cooperation.- Water-stage recorder graph and two discharge measurements furnished by Washington water Power Co.

Rating table, vater year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

64.2 139 66.5 1,270 71.0 8,830 

64.5 196 67.0 1,720 72. O 11,700 

64.8 280 67.5 2,260 73.0 15,000 

65.1 394 68.0 2,920 74.0 18,700 

65.5 590 69.0 4,500 75.0 22,800 

66.0 890 70.0 6,430 76.0 27,100

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

1,270 

1,200 

1,330 

1,330 

1,330

1,370 

1,380 

1,360 

1,330 

1,330

1,330 

1,080 

565 

1,350

1,340

1,350 

1,340 

1,330 

1,170 

1,190

1,170 

1,180 

1,080 

1,090 

1,070

904 

699 

1,040 

1,030 

1,030 

1,160

Nov.

1,680 

1,650 

1,700 

1,930 

1,900

1,930 

1,930 

1,680 

1,640 

1,720

2,060 

2,300 

2,680 

2,240 

1,940

1,710 

1,380 

2,280 

2,750 

4,050

4,640 

4,360 

6,260 

10,100 

9,320

8,700 

9,880 

10 , 700 

11,500 

11,700

Month

Octo 

Move 

Deoe

Cal

Janu 

Febr 

Maro 

Apri

Ifnv

June 

July 

Augu 

Sept

Wat

endar year 1946

1....... ........

ember. ..........

er year 1946-47

Dec.

11,300 

6,670 

5,570 

4,533 

6,050

6,280 

5,400 

5,810 

5,360 

5,190

5,190 

11,100 

15,600 

16,000 

17,700

21,000 

24,300 

£5,600 

-25,200 

24,100

22,600 

21.10U 

19,500 

18,300 

16,800

15,700 

12,400 

7,040 

5,630 

5,170 

5,170

Jan.

5,080 

5,150 

5,500 

5,500 

5,300

5,000 

4,850 

4,930 

4,900 

4,910

4,930 

4,840 

4,900 

4,880 

4,900

4,990 

4,950 

4,950 

4,990 

1,930

4,990 

4,840 

5,260 

8,350 

10,400

11,600 

12,300 

12,600 

12,50(3 

12 , 100 

11,500'

Feb.

10,200 

1O.600 

9,530 

9,370 

9,200

8,570 

8,390 

8,160 

8,830 

7,450

6,800 

6,430 

6,980 

7,740 

8,060

9,290 

9,810 

10,400 

11,000 

11,100

11,100 

10,400 

9,640 

9,780 

9,750

9,450 

9,550 

9,600

Mar.

9,160 

9,360 

8,340 

8,420 

7,940

,830 

,650 

,540 

,910 

,090

,350 

,410 

,350 

,280 

,230

,070 

,280 

,620 

,360 

8,980

9,390 

11,000 

11,000 

11,700 

11,800

12,100 

12,000 

11,800 

11,600 

11,400 

11,600

Observed

Discharge 

second-f

Maximum

1,380 

11,700 

25,600

27,300

12,600 

11,100 

12 , 100 

17,000 

21,800 

9,800 

3,160 

1,180 

1,440

25,600

Minimum

565 

1,380 

4,530

149

4,840 

6,430 

7,090 

11,100 

3,240 

2,440 

960 

141 

145

141

in 

set

Mean

1,187 

4,277 

12,820

7,430

6,672 

9,185 

9,115 

13,270 

15,780 

5,117 

2,101 

408 

946

6,728

Runoff 

in 

acre- feet

73,010 

254,500 

788,200

5,378,660

410,300 

510,100 

560,400 

789,600 

970,000 

304,500 

129,200 

25,100 

56,280

4,871,090

Apr.

12,000 

12,300 

11,600 

13,000 

13,000

12,800 

13,100 

12,700 

12,400 

12,200

11,900 

11,600 

11,400 

11,100 

11,200

11,500 

11,900 

12,200 

12,800 

13,300

14,100 

14,800 

15,100 

15,400 

15,200

15,400 

15,100 

15,700 

16,300 

17,000

May

17,600 

18,000 

18,200 

18,500 

19,500

19,900 

20,300 

20,600 

21,300 

.21,800

21,600 

21,600 

20,900 

20,100 

19,600

18,700 

17,800 

16,800 

16,200 

15,500

14,700 

14 , 100 

13,500 

12,700 

11,400

10,400 

8,830 

5,610 

5,970 

4,110 

3,240

Diversion 

through

Valley Farms 

Co. 'a canal 

and Rathdrum 

Prairie Cana] 

(acre-feet)

2 

0

0

78,739

0 

0 

0 

237 

11,160 

19,140 

20,630 

19,300 

5,821

76,290

June

3,220 

3,080 

4,880 

6,650 

4,620

5,530 

6,430 

6,870 

9,800 

8,480

7,940 

7,330 

6,650 

6,980 

6,980

5,320 

5,850 

5,980 

4,450 

4,110

3,390 

3,390 

3,380 

3,280 

3,090

3,300 

4,320 

3,140 

2,640 

2,440

July

3,270 

1,980 

2,010 

1,820 

1,500

1,440 

fl,830 

f2,920 

f2,860 

f2,120

f2,060 

f 3 , 160 

f2,680 

2,540 

2,430

2,430 

2,500 

2,420 

2,470 

2,480

2,390 

2,310 

2,330 

3,240 

2,010

1,700 

1,430 

1,400 

1,350 

1,090 

960

Aug.

939

904 

1,180 

1,050 

904

473 

300 

145 

145 

141

184 

304 

304 

365 

408

399 

403 

403 

403 

403

606 

273 

149 

147 

719

256 

142 

142 

153 

159 

152

Sept.

145 

404 

595 

712 

630

155 

219 

1,310 

1,140 

1,210

1,210 

1,160 

583 

218 

748

760

802 

848 

848 

1,160

1,370 

1,440 

1,400 

1,290 

1,330

1,330 

1,330 

1,340 

1,350 

1,340

Adjusted for diversion

Runoff 

in . 

acre-fee

Discharge in 

second-feet

Per 

1 Mean square 

mile

73,012 1,187 

254,500 4,277 

788,200 12,820

5,457,399 7,539 1.94

410,200 6,672 

510,100 9,185 

560,400 9,115 

789,837 13,370 

981,160 15,960 

323,640 5,438 

149,830 2,436 

44,400 722 

62,101 1,044

4,947,380 6,833 1.76

Runoff

inches

.

26.37

:

23.91

f Computed from gage heights based on tailrace elevations and incomplete water-stage recorder record. 

Mote.- No gage-height record Jan 2-7, Feb. 25 to Mar. 31, Apr. 4-7, 19-23; discharge computed on 

basis of records furnished by Washington Water Power Co. for stations at Liberty Bridge and at Spokane.
278 SPOKANE RIVER BASIN

Spokane River at Spokane, Wash.

Location.- Water-stage recorder, lat. 47°39 I 30", long. 117°26'50", In sec. 13, T. 25 N.,

 R. 42 E., at Cochran Street in Spokane and half a mile upstream from Latah Creek.

Datum of gage Is about 1,700 feet above mean sea level, subject to correction to datum

of 1929.

Drainage area.- 4,350 square miles. 

Hecords available.- April 1891 to September 1947. 

Average discharge.- 56 years, 6,672 second-feet. 

Extremes.- Maximum discharge during year, 25,000 second-feet (regulated) Dec. 18 (gage

 height, 25.48 feet); minimum, 373 second-feet (regulated) Sept. 3 (gage height, 16.24

feet); minimum daily, 740 second-feet (regulated) Sept. 7.

3891-1947: Maximum discharge, 49,000 second-feet (estimated) May 31, 1894 (see

Water-supply Paper 532); minimum, 268 second-feet (regulated) Dec. 23, 1935 (gage

height, 16.37); minimum daily, that of Sent. 7, 1947. 

Remarks.- Records excellent. Spokane Valley farms uo.'s canal (see p. 286) and Rathdrum

 Prairie Canal (see p. 285 I divert water above station for irrigation. Flow partly 

regulated by Coeur d'Alene Lake (see p. 276) and by pondage at Spokatie.

Cooperation.- Gage-height record collected in cooperation with and two discharge measurements furnished by Washington Water Power Co.

Rating table, water year 1946-47 (gage height, 

and discharge, in second-feet)

16.8

17.0

17.5

18.0

18.5

645

780

1,220

1,840

2,620

19.0

19.5

20.0

20.5

21.0

3,510 

4,470 

5,510 

6,690 

8.03O

22.0

23.0

24.0

25.4

11,100

14,600

18,400

24,600

Discharge, In second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

1,700

1,770

1,730

1,820

1,780

tl,800

1,850

1,840

1,820

1,800

1,830

1,790

tl,180

1,600

1,780

1,830

1,760

1,860

1,880

1-1,680

1,740

1,690

1,660

1,600

1,590

1,560

tl,300

1,500

1,560

1,590

1,520

Nov.

1,860

2,080

1-2,100

2,410

2,420

2,440

2,470

2,340

2,160

1-2,140

2,490

2,680

3,220

3,020

2,530

2,490

tl,940

2,490

3,220

4,100

4,980

4,720

5,300

1-10,300

10,000

9,060

10,000

11,200

11,900

12,400

-

Dec.

1-12,400

9,260

5,700

6,020

6,240

6,900

6,260

1-6,300

6,240

5,780

5,800

10,300

15,200

15,800

1-17, 10U

19,800

23,000

24,400

24,400

23,400

22,200

t20,900

19 , 500

18,300

17,200

16,100

13 , 500

9,080

1-6,720

6,100

6,020

Jan.

5,940

5,940

6,270

6,370

1-6,070

5,640

5,580

5,580

5,530

5,540

5,540

1-5,480

5,480

5,510

5,470

5,580

5,500

5,570

1-5,500

5,570

5,620

5,450

5,530

7,950

10,100

til, 800

12,400

12 , 900

12,800

12,600

12,100

Month

October .......................

November .....................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March .......... ..............

April .........................

May ...........................

June ..........................

July ..........................

August ................ .......

September .....................

Water year 1946-47 ..........

Feb.

11,000

tlO,800

10,200

9,870

9,920

9,280

9,380

9,120

1-9,580

8,420

7,720

7,390

7,640

8,360

8,760

1-9,900

10,300

10,900

11,300

11,400

11,500

11,200

1-10,900

10,700

10,600

10,300

10,300

10,100

_

_

-

Secondfoot-days

52,410

140,460

405,920

2,917,159

222,910

276,840

303,330

417,000

502,200

179,400

88,090

35,144

45,490

2,669,194

Mar.

9,960

1-10,100

9,150

9,260

8,900

8,700

8,570

8,360

1-8,910

7,840

8 ,060

8,160

8,230

8,280

8,070

t8 , 540

8,150

8,340

7 ,810

9,620

9,920

11,300

til, 400

12,000

12,400

12,400

Apr.

12,400

12,800

12,600

13,800

12,900

t!3,600

13,800

13,500

13,300

13,000

12,800

12 , 500

t!2,300

12,000

11,900

12,200

12,600

13,000

13,500

t!3,900

14,700

15,200

15,500

15,700

15,700

15,700

12,500 t!5,600

12,300

12,200

til, 800

12,100

Maximum

1,880

12,400

24,400

27,100

12,900

11,500

12,500

17,100

21,600

10,200

3,780

1,820

1,910

24,400

16,000

16,400

17,100

-

May

17,500

18,100

18,300

t!8,400

19,200

19,700

20,000

20,400

21,000

21,500

t21,600

21,500

20,800

20,400

19,700

18,900

18,200

t!7,400

16,700

16,200

15,300

14,800

14,300

13,700

t!2,300

11,800

10,600

6,420

7,160

5,630

4,690

Minimum

1,180

1,860

5,700

795

5.4EO

7,390

7,810

11 900

4^690

3,480

1,650

753

740

740

June

t4,400

4,350

4,820

7,440

6,180

5,720

6,880

t7,390

9,400

10,300

8,800

8,560

7,500

7,320

t8,020

6,220

6,30O

6,940

5,250

5,300

4,510

t4,380

4,380

4,250

4,070

3,880

5,240

4,180

t3,940

3,480

Mean

1,691

4,682

13,090

7,992

7,191

9, 887

9,785

13,900

16,200

5,980

2,842

1 134 i'si6

7,313

July

3,000

2,900

2,910

2,730

2,480

t2,230

2,260

3,470

3,740

3,260

2,460

3,780

t3,400

3,320

3,180

3,180

3,170

3,180

3,120

t3,110

3,150

2,980

2,980

3,000

2,780

2,460

t2,220

2,020

2,030

1,940

1,650

Per

squa re 

mile

-

1.84

-

1.68

Aug.

1,

1,

tl,

1,

1,

1,

1,

1,

660

440

720

820

670

500

160

020

980

t850

1,

1 ,

1,

1,

1,

tl,

1,

1,

1,

1,

1,

1,

t

1,

080

973

060

O40

080

110

080

100

060

080

150

130

000

840

940

340

923

845

875

865

t753

Sept.

855

1,040

1,180

1,290

1,340

1,120

t740

1,390

1,830

1,660

1,720

1,730

1,640

t945

1,140

1,390

1,380

1,500

1,480

1,580

tl,840

1,880

1,840

1,860

1,820

1,820

1,850

tl,860

1,860

1,910

-

Runoff

Inches

-

24.94

-

22.82

Acre-feet

104,000

278,600

805,100

5,786,000

442,100

549,100

601,600

827,100

996,100

355,800

174,700

69,710

90,230

5,294,000

t Sunday.

Mote.- Publication of runoff adjusted for effect of regulation 

continued. See page 276 for monthly change In Lake contents.

In Coeur d'Alene Lake has been dis-
SPOKANE RIVER BASIN 279

Spokane River at Long Lake, Wash.

Location.- Water-stage recorder, lat. 47°50' , long. 117°50', in SW£ sec. 13, T. 27 N., R.

 39 E., at Long Lake power plant, 12 miles north of Reardan. Datum of gage is 1,300.00 

feet above mean sea level, subject to correction to datum of 1929.

Drainage area.- 6,100 square miles.

Records available.- April 1939 to September 1947.

Extremes (regulated).- Maximum discharge during year, 42,200 second-feet May 12 (gage

 height, Vti.yy feet); minimum not determined, occurred sometime during period of backwater from Little Falls power plant; minimum daily, 144 second-feet Aug. 24 (determined from power-plant records).

1939-47: Maximum discharge recorded, that of May 12, 1947; minimum recorded, 115 

second-feet Oct. 6, 1939 (gage height, 57.66 feet), but may have been less sometime 

during periods of backwater; minimum daily, 144 second-feet Sept. 15, 1S46, Aug. 24, 

1947.

Remarks.- Water diverted above station for irrigation. Plow partly regulated by Coeur 

d'Aiene Lake (see p. 276). Diurnal fluctuation and some regulation caused by power 

plant at Long Lake. Capacity of Long Lake between elevations 1,512 and 1,531 feet 

79,600 acre-feet.

Cooperation.- Records of discharge and gage heights for Long Lake furnished by Washington 

water Fewer Co.

Discharge, in second-feet, water year October 1946 to September 19*7

Day

1 

2 

3 

4 

5

6 

7 8 - 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

SO 

31

Oot.

3,460 

3,690 

3,390 

3,350 

1,330

242 

3,210 

3,210 

3,420 

3,360

3,450 

1,870 

1,410 

3,850 

3,600

3,740 

3,200 

3,240 

1,760 

202

1,110 

1,380 

2,120 

1,360 

1,220

933 

174

1,370 

2,010 

1,810

1,080

Nov.

4,160 

3,060 

873 

3,400 

2,890

3,790 

3,600 

4,040 

2,090 

1,710

3,160 

4,460 

4,890 

4,130 

3,290

2,070 

1,250 

3,840 

4,120 

4,590

4,980 

5,650 

6,470 

9,510 

10,400

8,790 

9; 230 

13,700 

12,400 

13,300

Month

Octo 

Move 

Oeoe

Cal

Janu 

Febr 

Maro 

Apri 

May.

June 

July 

Augu 

Sept

Wat

endar year 1946

et..............

er year 1946-47

Dec.

17,800 

9,770 

6,480 

6,400 

6,220

6,010 

6,330 

6,300 

6,550 

6,740

6,580 

11 , 500 

15,000 

22,500 

21,400

16,700 

22,000 

25,300 

26 , 800 

30,100

28,700 

Iff, 200 

15,200 

18,500 

20,400

15,600 

15,100 

9,300 

7,140 

7,120 

7,110

Jan.

7,090 

7,050 

7,020 

7,010 

6,270

6,300 

6,280 

6,400 

6,290 

6,290

6,300 

6,220 

6,830 

6,310 

6,570

6,390 

6,220 

6,340 

5,600 

6,420

6,260 

6,140 

6,120 

10,700 

16,600

20,600 

14,400 

13,600 

11,800 

14,200 

17,500

Feb.

11,900 

14,800 

9,830 

11,000 

11,400

9,430 

10,400 

11,100 

15,200 

8,970

7,050 

7,100 

7,490 

9,860 

11,100

14,700 

12 , 700 

12,600 

12 , 800 

12,100

11,700 

11,600 

15,700 

10,100 

13,300

11,400 

11,200 

9,870

Mar.

11,000 

11,100 

8,840 

11,700

11,100

9,190 

9,240 

9,100 

10,400 

8,820

9,720 

10,900 

11,000 

11,600 

9,060

10,100 

8,500

11,400 

10,000 

9,700

11,800 

12,100 

20,000 

15,300 

11,900

13,000 

12,500 

12,700 

11,600 

14,000 

12,200

Observed

Discharge in 

seoond-feet

Maximum

3,850 

13 , 700 

30,100

33,400

20,600 

15,700 

20,000 

21,200 

27,300 

12,200 

4,880 

3,290 

3,660

30,100

Minimum

174 

873 

6,010

144

5,600 

7,050 

8,500 

11,300 

5,590 

4,950 

1,170 

144 

202

144

Mean

2,244 

5,328 

14,190

9,345

8,617 

11,300 

11,280 

15,360 

17,750 

7,015 

3,600 

1,791 

2,161

8,373

Runoff 

in 

acre-feet

138,000 

317,000 

872,400

6,765,000

529,800 

627,600 

693,400 

914,200 

1,092,000 

417,400 

221,400 

110,200 

128,600

6,062,000

Apr.

14,600 

15,700 

12,600 

14,700 

18,400

19,300 

11,800 

12,200

12,800 

12,900

18,900 

15,200 

20,500 

11,300 

12,000

12,500 

12,500 

12,900 

17,700 

19,700

12,900 

17,900 

16,700 

13,100 

13,700

21,200 

19,700 

13,600 

16,300 

17,600

May

22,100 

20 , 600 

20,300 

25,600 

16,900

21,600 

24,200 

22,600 

22,900 

22,300

27,300 

19,500 

24,100 

21,400 

21,600

20,500 

19,300 

26,600 

15,500 

17,000

15,500 

16,300 

13,200 

17,100 

13,600

9,360 

8,090 

6,350 

7,590 

5,740 

5,590

contents in 

Long Lake 

(acre-feet)

+4,650 

-2,500 

+ 750

+6,950

-1,650 

+E50 

+1,650 

-6,450 

+7,450 

-3,150 

+350 

-450 

+950

+1,850

June

5,540 

6,090 

6,490 

6,590 

6,370

6,740 

7,060 

8,200 

11,600

12,200

10,100 

9,800 

7,130 

8,420 

9,120

8,840 

6,540 

8,090 

6,910 

6,420

5,610 

5,110 

5,330 

5,490 

5,190

4,980 

5,180 

5,230 

5,130 

4,950

July

4,880 

4,670 

4,420 

1,170 

3,010

2,990 

3,600 

3,810 

4,140 

3,970

3,840 

3,940 

3,360 

4,300 

4,750

4,070 

3,920 

4,220 

4,060 

1,660

3,740 

3,510 

3,570 

3,460 

3,460

3,540 

2,100 

3,150 

3,500 

3,790 

3,010

Aug.

3,110 

1,980 

202 

2,620 

2,230

1,960 

2,090 

2,160 

936 

711

2,290

2,080 

2,530 

2,250 

2,340

1,640 

557 

2,470 

2,070 

1,420

1,940 

2,090 

664 

144 

1,320

1,560 

2,380 

3,080 

3,290

1,220 

202

Adjusted foi 

contents of

Runoff 

in 

acre-feet

142,600 

314,500 

873,200

6,772,000

528,200 

627,800 

695,000 

907,800 

1,099,000 

414,200 

221,800 

109,800 

129,600

6,064,000

Sept.

202 

1,660 

2,270 

3,260 

2,210

1,380

202 

1,550 

2,280 

1,880

3,040 

3,640 

1,930 

450 

3,660

3,230 

2,110 

2,580 

2,610 

2,030

246 

2,250 

2,220 

1,750 

2,440

3,060 

2,850 

2,080 

2,630 

3,120

change in 

Long Lake

Discharge in 

sec ind- feet

Mean

2,319 

5,235 

14,200

9,354

8,590 

11,300 

11,300 

15,230 

17,870 

6,931 

3,607 

1,736 

2,178

8,376

Per 

square 

mile

-

1.53

-

1.37

Runoff

inches

^

20.79

-

18.64

Note.- Backwater from Little Falls Oct. 1 to Sept. 30; discharge computed by Washington Water Power 

Co. from power-plant records. Change in contents for Long Lake based on 12 p.m. gag? readings.

903681 O- SO - 19
280 SPOKANE RIVER BASIN

St. Joe River at Calder, Idaho

Location.- Water-stage recorder, lat. 47°16', long. 116°11', In sec. 3, T. 45 N., R. 2 E., 

150 feet southwest of Chicago, Milwaukee, St. Paul & Pacific Railway station at Calder. 

Datum of gage is 2,100 feet above mean sea level, referenced to original elevation of 

bench mark ^2188-1911 20" (u. S. Geol. Survey Bull. 567). Beach mark has since been 

moved; revised elevation about 0.86 foot higher.

Drainage area.- 1,080 square miles.

Records available.- July 1920 to September 1947. April 1911 to Septembe" 1912 at site 2y 

miles downstream.

Average discharge.- 27 years (1920-47), 2,192 second-feet.

Extremes.- Maximum discharge during year, 23,600 second-feet Dec. 15 (gage height, 88.98 

feet); minimum, 338 second-feet Oct. 17, 18 (gage height, 79.37 feet).

1911-12, 1920-47: Maximum discharge, 53,000 second-feet Dec. 23, 1933, computed on 

basis of slope between gages downstream; maximum gage height, 93.1 feet Apr. 18, 1938. 

from floodmark; minimum discharge, 96 second-feet Dec. 5, 1928 (gage height, 78.43 

feet).

Remarks.- Records good except those for periods of ice effect or no gage-height record, 

which are fair. No diversion above gage.

Cooperation.- Water-stage recorder graph and six discharge measurements furnished by 

Washington Water Power CD.

Diecharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

370

445

485

408

404

386

374

370

382

378

362

362

358

358

354

346

342

342

346

426

1,030

880

1,100

828

2,360

2,650

1,430

1,080

928

848

776

Nov.

796

716

614

626

656

662

692

650

608

602

584

546

465

465

530

490

546

2,360

4,430

2,940

2,100

1,800

2,580

2,770

8,410

2,470

2,750

3,980

3,330

2,810

-

Dec.

2,470

2,200

2,000

 1,940

1,970

1,890

1,810

1,790

1,730

1,750

6,160

6,720

7,270

12,700

20,700

12,400

h7,730

a5,700

h4,700

f3,880

3,410

3,140

2,810

2,580

2,400

2,330

2,270

2,040

1,730

1,650

1,700

Jan.

1,680

1,450

1,250

1,200

1,350

1,500

1,400

1,350

 1,350

1,350

1,350

1,250

1,150

1,050

900

1,050

1,100

1,100

1,100

1,110

1,100

1,140

2 , 500

3,800

3,160

3,040

2,470

h2,150

1,940

1 , 810

1,570

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March .........................

April .........................

May ...........................

June ..........................

July ..........................

August .... ...................

September .....................

Water year 1946-47 ..........

Feb.

1,560

1,900

2,290

1,730

1,700

1,560

 1,520

1,440

1,330

1,300

1,500

1,690

2,630

h2,840

h3,230

h3,510

h3,350

h3,100

a2,850

h2,600

h2,480

a2,350

2,350

2,510

2,530

2,330

2,240

2,100

-

_

-

Second 

foot-days

21,508

46,978

133,570

973,812

49,720

62 , 520

87,170

175,470^ 

268 ,570

105,900

35,395

17,906

14,310

1,019,017

Mar.

1,920

1,890

1,960

1,840

1,680

1,590

1,560

1,540

1,490

1,650

1,860

1,800

1,740

1,780

1,970

2,300

2,770

3,300

3,880

4,120

4,200

5,300

5,210

4,410

3,760

3,410

3,140

3,040

3,280

4,010

4,770

Maximum

2,650

4,430

20,700

20,700

3,800

3,510

5,300

12,100

16,500

5,510

1 ' 920

835

20,700

Apr.

4,850

4,610

4,350

4,070

3,740

3,440

3,170

3,060

3,030

3,070

2,930

2,860

3,000

4,200

6,020

6,210

6,550

6,660

f7,040

f7,960

f7,460

6,700

6,330

6,290

6,440

f7,270

h8,860

hll,200

a!2,000

h!2,100

-

Hay

h9,710

hlO,400

h!4,200

h!4,500

h!4,500

h!4,100

a!4,500

f 16, 500

15,000

12,600

10,100

9,020

8,270

7,880

7,250

6,940

6,420

6,O80

5,980

5,980

6,230

5,980

5,640

5,410

5,450

5,490

5,510

5,240

4,680

4,310

4,700

Minimum

342

465

1,650

342

900

1,300

1,490

2,860

4,310

1,950

740

460

386

342

June

4,460

4,170

3,900

4,220

3,930

4,270

4,090

4,030

5,280

5,510

4,940

4,410

4,270

4,150

3,780

3,580

3,520

3,330

3,170

3,000

2,810

2,680

2,560

2,480

2,350

2,360

2,420

2,240

2,040

1,950

-

Mean

694

1,566

4,309

2,668

1,604

2,233

2,812

5,849

8,664

3,530

1,142

578

477

2,792

July

1,920

1,770 i,eeo

1,620

1,540

1,480

1,430

1,370

1,320

1,280

1,350

1,240

1,170

1,130

1.C90

1,060

1,030

991

963

928

914

887

854

842

835

842

802

783

776

758

740

Per 

square 

mile

0.643

1.45

3.99

2.47

1.49

2.07

2.60

5.42

8 . 02

3.27

1.06

.535

.442

2.59

Aug.

728

716

598

592

674

650

338

314

308

614

602

590

502

584

557

546

535

525

510

500

525

546

568

579

52O

495

180

170

160

180

500

Sept.

470

440

426

408

404

394

- 422

530

579

668

510

455

426

404

399

644

f835

a590

h535

h552

h485

f455

435

426

404

417

417

404

390

386

-

Runoff

Inches

0.74

1.62

4.60

33.52

1.71

2 . 15

3.00

6.04

9 25

3.65

1.22

. 62

.49

35.09

Ac re- feet

42,660

93,180

264,900

1,932,000

98,620

124 000

172^900

348,000

210! ooo

70,200

35,520

28,380

2,021,000

* Winter discharge measurement made on this day.

a No gage-height record; discharge computed on basis of recorded range in stage 

stations on Coeur d'Alene and North Pork Clear-water Rivers, 

f Computed from partly estimated gage-height record, 

h Computed from staff-gage reading. 

Note.- Stage-discharge relation affected by ice Dec. 30 to Jan. 20, Jan. 23, 24.

nd records for
SPOKANE RIVER BASIN 281

St. Maries River at Lotus, Idaho

Location.- Staff gage, lat. 47°14'40", long. 116°37>30", in sec. 17, T. 45 N., R. 2 W., 

I mile northwest of Lotus, 1 mile downstream from Carlton Creek, and 5f miles southwest of St. Maries. Datum of gage is 2,140.19 feet above mean sea level, referenced 

to bench mark "U. S. G. S. 2155 1911 35 11 (U. S. Geol. Survey Bull. 567. p. 45).

Drainage area.- 437 square miles.

Records available - October 1945 to September 1947. July 1911 to October 1912 and July 

192U to ijeptemcer 1945 at site 1.3 miles upstream.

Average discharge.- 27 years (1920-47), 471 second-feet.

Extremes.- Maximum discharge observed during year, 7,710 second-feet Dec. 15, from 

rating curve extended above 2,400 second-feet on basis of slope-area determination 

at gage height 6.5 feet; maximum gage height observed, about 8.7 feet Jan. 26 (ice 

,1am); minimum discharge observed, 43 second-feet Sept. 5, 6 (gage height, 1.40 feet).

1911-12, 1920-47: Maximum discharge observed, 23,800 second-feet Dec 22, 23, 1933 

(gage height, 12.1 feet), from rating curve extended above 4,000 second-feet by 

logarithmic plotting; minimum, 16 second-feet (estimated) Nov. 21, 1929.

Remarks.- Records good except those for period of ice effect, which are poo-. Gage 

read once daily. No diversion above station.

Cooperation.- Gage readings and four discharge measurements furnished by Washington 

water Power Co.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

51

54

70

62

62

66

58

56

56

56

56

56

56

56

54

54

54

54

54

66

165

173

235

158

190

226

126

94

89

89

84

Nov.

102

108

92

140

92

92

96

94

89

86

86

82

76

72

76

70

82

485

1,270

514

301

249

633

587

485

1,050

1,020

1,480

912

587

~

Dec.

432

346

301

*280

312

280

259

264

334

438

1,540

2,120

2,480

2,170

7,710

3,130

1,480

1,300

931

758

602

535

485

425

369

357

346

306

226

215

210

Jan.

210

180

180

205

205

220

200

180

170

175

180

170

160

150

140

130

130

130

130

130

130

130

400

1,400

3,500

4,000

2,500

1,100

1,100

1,100

800

Montb

October ..... .................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March .........................

April .........................

Bay ...........................

June ..........................

July ..........................

August .......... .............

September .....................

Water year 1946-47 ..........

Feb.

600

2,000

1,700

1,300

1,000

70O

550

*400

370

350

320

320

1,200

1,920

2,220

2,120

1,840

1,540

1,340

1,090

1,190

1,150

1,290

1,310

1,230

1,010

766

793

-

-

-

Second 

foot-days

2,780

11,108

30,941

225,614

19,535

31,619

36,722

40,440

18,142

9,992

3,175

1,699

2,497

208,650

Mar.

682

666

784

1 , 300

1 , 030

766

682

618

602

1 , 320

1,410

1,160

1,030

1,010

1,050

1,110

1,300

1,530

1,700

1,650

1,590

1,690

1,590

1,460

1,250

1,150

1,050

961

931

1,310

2,340

Maximum

235

1,480

7.71O

7,710

4,000

2,220

2,340

2,220

1,060

838

165

66

226

7,710

Apr.

2,220

2,000

1 , 800

1,630

1,410

1,360

1,290

1,160

1,050

1,170

1,210

1,050

1,010

1,050

1,160

1 , 150

1,150

1,640

1,780

1 , 8OO

1,650

1,440

1,290

1,170

1,120

1,070

1,110

1,150

1,200

1,150

-

May

1,060

1,030

1,010

990

951

912

856

971

951

931

819

682

626

572

542

499

445

413

394

375

352

329

317

306

290

275

270

254

240

235

245

Minimum

51

70

210

49

130

320

602

1,010

235

173

68

46

43

43

June

317

340

280

334

317

306

394

369

838

657

550

419

394

514

388

329

323

301

275

259

249

230

216

207

194

194

245

194

186

173

Mean

89.7

370

998

618

630

1,129

1,185

1,348

585

333

102

54.8

83.2

572

July

165

151

143

143

143

136

129

123

120

117

117

114

111

105

102

99

94

89

84

82

79

74

74

74

74

79

74

72

72

68

68

Per

square 

mile

O.2O5

.847

2.28

1.41

1.44

2.58

2.7]

3.08

1.34

.762

.233

.125

.190

1.31

Aug.

66

64

64

64

64

60

60

60

58

58

58

58

56

54

52

51

51

48

46

46

51

52

56

54

52

51

49

48

48

48

52

Sept.

51

49

48

44

43

43

52

79

94

108

84

72

62

58

64

94

226

114

96

102

94

82

70

68

66

140

151

89

82

72

Runoff

Inches Ac re- feet

0.24 5,510

.95 22,030

2.63 61,370

19.22 447,500

1.66 38,750

2.69 62,720

3.13 72,840

3.44 80,210

1.54 35,980

.85 19,820

.27 6,300

.14 3,370

.21 4,950

17.75 413,800

Winter discharge measurement made on this day. 

Note.- Stage-discharge relation affected by Ice . 30 to Feb. 13.
282 SPOKANE RIVER BASIN

Hayden Creek near Hayden Lake, Idaho

Location.- Water-stage recorder, lat. 47°49 I 20", long. 116°41'10", in sec. 27, T. 52 N., 

K. 3 W. , 0.1 mile upstream from Lancaster fireek, 0.7 mile upstream from mouth, and 

5 miles northeast of Hayden Lake post office.

Drainage area.- 26.0 square miles.

Records available.- April 1946 to September 1947.

Extremes.- Maximum discharge during year, 445 second-feet Dec. 15 (gage height, 3.37 

1'eet j, from rating curve extended above 250 second-feet; minimum, 3.2 second-feet 

Sept. 5, 6 (gage height, 0.25 foot).

1946-47: Maximum discharge, that of Dec. 15, 1946; minimum, thai of Sept. 5, 6, 

1947.

Remarks.- Records good except those for period of no gage-height record, which are fair. 

No diversions above station.

Rating tables, water year 1946-47 (gage height, in feet,

and discharge, in second-feet) 

(Shifting-control method used Oct. 1 to Dec. 15)

0.9

1.0

1.1

2.7

5.6 

9.6

1 to Dec. 15

16

31

1.2

1.4 

1.7

2.0 

2.5

71

127

226

376

16 to Sept. 30

0.5 12

.7 24

.9 40

1,6 

2.1

151

251

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

3.3

3.6

3.9

3.9

4.2

3.9

3.9

3.9

3.9

3.6

3.3

3.3

3.9

3.9

3.9

3.9

3.9

3.9

4.2

11

11

9.2

7.6

9.6

8.8

7.6

6.0

5.0

4.7

4.4

4.4

Nov.

5.6

5.0

4.4

4.2

4.2

4.2

4.7

5.3

4.7

4.7

4.4

4.2

4.2

3.9

3-. 9

3.9

5.3

58

55

27

16

14

16

17

20

50

58

73

58

43

-

Dec.

35

30

26

25

26

27

27

30

28

32

42

51

85

208

367

238

143

100

74

59

51

45

37

32

30

29

28

23

21

20

20

Jan.

20

17

17

19

20

21

20

19

18

18

19

17

16

17

17

16

15

15

14

14

14

14

58

96

127

143

119

94

74

61

50

Month

October .......................

November ......................

December ......................

Calendar year .........

January .......................

February ......................

March ............... ....... .

April ................ ...... .

May

June ............ ......... ...

July ....................... .

August .......... .............

September .....................

Water year 1946-47 ..........

Feb

45

45

36

31

30

29

27

28

28

29

28

31

39

55

89

116

109

93

81

68

66

58

54

54

54

54

54

51

_

_

-

Secondfoot-days

161.6

1,989'

1

1,'482

1,899

2,194 

856

460

218 . 6

140.3

161.7

11,323.0

Mar.

46

45

50

45

38

36

35

34

34

44

51

51

51

51

51

59

78

94

103

101

96

100

98

84

72

64

58

52

50

58

70

Maximum

11

73

367

143

116

103

123

5O

27

10

6 . 6

9.4

367

Apr

84

86

84

78

68

64

58

58

61

66

67

67

64

64

68

67

64

70

86

123

121

103

88

74

66

60

59

59

61

56

-

May

50

46

44

43

40

37

35

36

37

36

32

30

29

28

26

25

24

23

22

21

20

20

19

18

18

17

16

16

16

16

16

Minimum

3.3

2o'

14

27

34

56

16

10

5 . 2

3.8

3.2

3.2

June

16

16

15

16

14

19

16

17

27

19

16

15

18

20

18

17

16

15

14

14

13

12

12

12

12

14

14

12

11

10

-

Mean

5.21

19.4

64.2

38

52 . 9

61^3

73.1

27.6

15.3

7.05

4 . 53

5^39

31.0

July

10

9.4

9.4

8.9

8.4

8.4

8.0

8.0

7.6

7.6

7.6

7.3

7.3

7.O

7.0

6.6

6.2

6.2

5.9

5.9

5.9

5.9

5.9

5.9

6.2

6.6

5.9

6.6

6.2

5.6

5.2

Per 

square 

mile

0.200

.746

2.47

1.46

£ 03

? ' 3fi

' Q-!

1 .06

^271

.174

.207

1.19

Aug.

4.8

4

4

4

.8

.8

.8

4.5

4.2

4

4

5

6

5

4

4

4

4

4

4

4

3

3

4

4

6

5

4

4

4

3

3

4

4

.2

.2

.6

.6

.2

.5

.2

.2

.0

.Z

.2

.0

.6

.B

.O

.6

.6

.2

.2

.0

.O

.8

.8

.5

.8

Sept.

4.2

4.0

3.8

3.5

3.2

3.5

7.6

9.4

8.4

8.9

5.9

4.8

4.2

4.0

4.0

8.9

7.6

5.6

5.6

5.2

4.8

4.2

4.2

4.2

4.2

7.O

6.6

5.2

4.8

4.2

Runoff

Inches

0.23

.33

2.85

1

2.12

2.72

3.14

1.22

.66

.31

.20

.23

16.20

Acre-fSet

321

1,150

3,950

2,340

2 940

3^770

4,350

1,700

912

434

278

321

22,470

!_._- No gage-height record De 

d'Alene River.

28 to Jan. 9; discharge computed on basis of records for sta-
SPOKANE RIVER BASIN 

Hayden Lake at Hayden Lake, Idaho

Location.- Staff gage, lat. 47°46', long. 116°45', in sec. 18, T. 51 N., R. 3 W., at 

Avonaale and Hayden Lake pumping plants, a quarter of a mile north of Bozanta Tavern 

at Hayden Lake. Datum of gage is 2,200.21 feet above mean sea level, datum of 1929.

Records available.- May 1920 to September 1947.

Extremes.- Maximum gage height observed during year, 32.58 feet May 10, 11; minimum observed, 26.88 feet Nov. 16.

1920-47: Maximum gage height, 40.41 feet Apr. 30 to May 18, 1921; minimum observed, 

19.3a feet Dec. 16, 1931.

Remarks.- Gage read once daily. Water is pumped from lake for irrigation and domestic 

supply.

Oage height, In feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

a

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

27 45

87.41

2V. 40

27.38

27.36

27.34

27.31

27.29

27.27

27.25

27.23

27.20

27.18

27.16

27.13

27.10

27.08

27.06

27.05

27.07

27.10

27.12

27.14

27.15

27.16

27.16

27.14

27.12

27.11

27.10

27.10

NOT.

27.10

27.08

27.06

27.04

27.02

27.00

27.00

26.99

26.97

26.96

26.94

26.93

26.92

26.90

26.89

26.88

26.90

26.98

27.04

27.08

27.12

27.16

27.20

27.24

27.30

27.38

27.42

27.50

27.55

27.59

-

Deo.

27.62

27.64

27.66

27.68

27.69

27.70

27.70

27.70

27.73

27.76

27.78

27.82

27.90

28.04

28.28

28.60

28.72

28.80

28.84

28.88

28.90

28.92

28.94

28.95

28.95

28.95

28.98

28.99

28.98

28.96

28.96

Jan.

28.96

28.96

28.95

28.95

28.94

28.94

28.94

28.93

28.93

28.93

28.94

28.95

28.95

£8.95

28.94

28.93

28.93

28.91

28.90

28.90

28.89

28.91

28.96

29.04

29.16

29.34

29.42

29.49

29.54

29.60

29.62

F«b.

29.63

29.66

29.68

29.69

29.69

29.69

29.69

29.68

29.67

29.66

29.66

29.69

29.72

29.76

29.81

29.88

29.94

30.00

30.04

30.08

30.13

30.16

30.18

30.20

30.22

30.23

30.24

30.26

_

_

-

Mar.

30.28

30.30

30.34

30.40

30.42

30.44

30.45

30.46

30.48

30.54

30.57

30.60

30.63

30.65

30.67

30.70

30.74

30.78

30.84

30.90

30.96

31.00

31.06

31.12

31.18

31.22

31.24

31.26

31.28

31.34

31.40

Apr.

31.45

31.49

31.54

31.58

31.62

31.66

31.68

31.70

31.73

31.78

31.83

31.85

31.88

31.90

31.93

31.96

31.98

32.00

32.06

32.18

32.26

32.32

32.36

32.40

32.44

32.46

32.48

32.50

32.52

32.54

Hay

32.56

32.56

32.57

-32.56

32.57

32.56

32.55

32.55

32.56

32.58

32.58

32.57

32.56

32.54

32.52

32.50

32.48

32.46

32.44

32.42

32.40

32.38

32.35

32.32

32.30

32.27

32.23

32.19

32.15

32.11

32.08

Jun«

32.06

32.06

32.03

32.00

32.00

32.04

32.04

32.04

32.08

32.08

32.06

32.04

32.02

32.04

32.04

32.02

32.00

31.98

31.96

31.94

31.91

31.88

31.85

31.81

31.77

31.74

31.70

31.67

31.64

31.60

July Aug .

31.56 30.26

31.52 30.22

31.47 30.18

31.43 30.14

31.40 30.10

31.36 30.06

31.32 30.02

31.28 29.98

31.23 29.94

31.19 29.90

31.14 29.86

31.09 29.82

31.05 29.77

31.01 29.73

30.97 29.69

30.92 29.64

30.88 29.60

30.83 29.55

30.78 29.50

30.74 29.45

30.70 29.40

30.66 29.38

30.62 29.36

30.58 29.34

30.54 29.31

30.50 29.28

30.46 29.25

30.42 29.22

30.33 29.19

30.34 29.17

30.30 29.15

S«pt.

29.13

29.10

29.07

29.02

28.98

28.95

28.96

28.96

28.96

28.98

28.96

28.94

28.91

28.88

28.85

28.87

28.87

28.86

28.84

28.82

28.80

28.78

28.77

28.76

28.76

28.75

28.74

28 73

28.72

28.70
284 SPOKANE RIVER BASIN 

Hayden Lake Irrigation District diversion near Hayden Lake, Idaho

Location.- Water-stage recorder and Clppoletti weir, lat. 47°46', long. 116°47'30", in

NE-f sec. 14, T. 51 N., R. 4 W., at dividing tower at end of main pipe line, if miles

west of Hayden Lake post office and pumping plant and 7 miles north of Coeur d'Alene.

Records available.- June 1946 to September 1947.

Extremes.- Maximum discharge during year, 7.1 second-feet June 28-30 (gage height, 0.58 

foot); no flow during nonirrigation season.

1946-47: Maximum discharge, 7.1 second-feet June 22, 1946, June 28-30, 1947 (gage 

height, 0.58 foot); no flow during nonirrigation season.

Remarks.- Records.good. , Discharge at station is pumped from Hayden Lake for irrigation 

or lands in Hayden Lake Irrigation District.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23

24 

25

26 

27 

28 

29 

30 

31

Oct. Nov. Dec. Jan. Feb.

Month

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Apr! 

May.

June 

July 

Augu 

Sept

Wa

lendar year

ter year 1946-47 .......................

Mar. Apr.

Secondfoot-days

0 

0 

0

-

0 

0 

0 

0 

17.9 

48.5 

163.5 

163.9 

32.6

426.4

May

O 

0 

0 

0

0

0 

0 

0 

0 

0

0 

0 

0 

0 

0

0 

0 

0 

0 

0

0 

0 

0 

P2.1 

6.3

,6.3 

3.E 

0 

0 

0 

0

Maximum

0

0 

0

-

o

0 

0 

0 

6.3 

7.1 

6.7 

6.7 

4.9

7.1

June

0 

0 

0 

0 

1.4

1.9 

0

0

n 

n

n

0

0 

0

0

0

0 

0 

0 

0

0

0 

0 

4.7 

6.5

6.0 

6.9 

6.9 

7.1 

7.1

Minimum

July

6.7 

6.5 

6.5 

6.7 

6.3

6.1 

6.5 

6.0 

5.8

6.0

6.0 

5.1 

5.1 

4.5

.7

6.0 

4.3 

1.4 

5.8 

5.8

5.6 

5.6 

6.1 

5.4 

5.4

6.0 

5.4 

2.0 

1.9 

6.0 

6.3

0 

0 

0

-

0 

0 

0 

0 

0 

0 

.7 

0 

0

0

Aug.

6.3 

6.3 

6.3 

6.3 

5.8

6.3 

6.5 

6.7 

5.0 

0

2.0 

5.8 

6.0 

6.5 

6.5

6.5 

6.7 

6.5 

6.7 

6.7

5.3 

3.9 

0 

3.9 

5.3

5.3 

4.6 

5.1 

5.3 

4.9 

4.9

Mean

0 

0 

0

-

0 

0 

0 

0 

.58 

1.62 

5.27 

5.29 

1.09

1.17

Sept.

4.9 

4.9 

4.9 

4.9

4.8

4.8 

3.4 

0 

0

0

O 

0 

0 

0

o

0 

0 

0 

0 

0

0 

0 

0 

0 

0

0 

0 

0 

0

0

Runoff In 

acre -feet

0 

0 

0

-

0 

0 

0 

0 

36 

96 

324 

325 

65

846

f Computed from partly estimated gage-height record.
SPOKANE RIVER BASIN 285 

Rathdrum Prairie Canal at Huetter, Idaho

Location.- Water-stage recorder, lat. 47°43', long. 116°52', in sec. 6, T. 50 N., R. 4 

W., 450 feet downstream from outlet of discharge pipe, five-eighths of a mile north 

of pumping plant, and three-quarters of a mile northwest of Huetter.

Records available.- April 1946 to September 1947.

Extremes.- Maximum discharge during year, 67 second-feet June 29, July 2; naximum gage 

height, 3.05 feet June 3; no flow for long periods.

1946-47: Maximum discharge, that of June 29, July 2, 1947; maximum gage height, 

that of June 3, 1947; no flow for long periods each year.

Remarks.- Records good except those for periods of no gage-height record, which are

poor. Canal carries water which is pumped from Spokane River for irrigati< n of first 

unit of Rathdrum Prairie project.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct. Nov. Dec. Jan. Feb.

Month

Octo 

Hove 

Deoe

Ca

Janu 

Febr 

Marc 

Aprl 

May.

June 

July 

Augu 

Sept

Ha

lendar year 194 5

ter year 1946-47 .......................

Mar. Apr.

0

0

0

0 

0

0

o

9

0 

0 

0

o

0

3.1

7.3 

O 

0 

0

0 

0 

0 

0 

0

0 

0 

0 

0 

0

Secondfoot-days

0 

0 

0

3,502.0

O 

0 

0 

10.4 

985.1 

1,066 

1,867 

1,709 

197.1

5,834.6

May

0

4.3 

0 

0 

3.8

12 

11 

12 

13 

12

11 

25 

23 

£4 

34

34 

34 

34

34 

34

34 

53

63 

63

63

63 

57 

49 

61

62 

62

Maximum

0 

0

o

60

0 

0 

0 

7.3

66 

66 

61 

36

66

June

54

36 

54 

48

36

36 

34 

21 

12 

14

13 

15 

13 

12 

0

23 

35 

34 

35

35

35 

35 

35 

34 

45

63 

64

66 

66

July

Minimum

0 

0 

0

0

0 

0

o

0

0

o

31 

34 

0

0

66

66 

65 

64

63

63

63 

63 

63

63 

63 

62 

38 

31

60 

59 

60 

59 

59

60

61

62 

63

62 

63 

62 

62 

62 

56

Aug.

61 

61 

61 

61 

61

61 

61 

61 

58 

39

57 

57 

56 

56 

56

56 

57 

58 

58 

58

37 

34 

49 

59 

58

57 

57 

57 

53 

39 

55

Me in

0

0

9.59

0 

0 

0 

.35 

31.8 

35.5 

60.2 

55.1 

6.57

16.0

Sept.

36 

28 

28 

28 

28

27 

7.9 

0 

0 

0

O 

O 

0 

0 

0

o

4.1

0 

0 

0

0 

0 

5.0 

0 

0

0 

0 

0 

5.1 o 

Runoff In 

acre-feet

0 

0 

0

6,957

0 

0 

0 

21 

1,950 

2,110 

3,700 

3,390 

391

11,560

Mote.- Mo gage-height record Apr 

furnished by operator of pumps.

16, 17, May 14-26; discharge computed on basis of information
286 SPOKANE RIVER BASIN

Spokane Valley Farms Co.'s canal at Post Falls, Idaho

Location.- Water-stage recorder, lat. 47°43', long. 116°57', In sec. 3, T. 50 N., R. 5 W., 

300 reet downstream from head gate and half a mile northwest of Post Fells.

Records available.- May 1911 to September 1917, September 1919 to September 1947.

Extremes.- Maximum discharge during year, 301 second-feet June 9 (gage hejght, 5.70 feet);

 no flow Oct. 1, 2, Oct. 4 to Mar. 31, Apr. 3 to May 11, Sept. 17-30.

1911-17, 1919-47: Maximum discharge observed, 304 second-feet May £8, 1936; no flow 

except during irrigation seasons.

Remarks. - Records good. Canal diverts water for irrigation from Spokane Fiver in SE-J- sec.

 3, T. 50 N., R. 5 W.,

Cooperation.- Water-stage recorder inspected by employee of Spokane Valley Farms Co. 

Three discharge measurements furnished by Washington Water Power Co.

Discharge, in second-feet, water year October 1946 to September 1?47

Day

1 

Z 

3 

4

5

6 

7

8 

9 

10

11 

12 

13

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

0 

0

1

0

0

0 

o

0 

0

0

0 

0 

0 

0 

0

0

0

o

0 

0

0 

0 

0 

0 

0

0 

0 

0 

0 

0 

0

Nov. Dec. Jan. Feb.

Month

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl

MRV

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar. Apr.

69 

40 

0 

0 

0

0 

0 

0 

0 

O

0 

0 

0 

0

0

0 

0 

0 

0 

0

0 

0 

0 

0 

0

0 

0 

0 

0 

0

Secondroot-days

1 

0 

O

36,189

0 

0 

0 

109 

4,642 

8,586 

8,535 

8,020 

2,740

32,633

May

0 

0

0 

0 

0

0 

0 

0

0

o

0 

71 

132 

149 

171

194 

196 

193 

215

257

266 

278 

276 

273 

275

280 

282 

281 

283 

284 

286

Maximum

1

0 

0

265

0 

0 

0 

69 

286 

292 

285 

273 

237

292

June

286 

288 

289 

288 

289

290 

292 

290 

286 

287

289 

 289 

290 

290 

290

292 

290 

290 

289 

266

265 

287 

286 

287 

286

286 

283 

282 

281 

283

July

28-5 

281 

282 

284 

284

284 

285 

283 

282 

28?

28* 

282 

283 

282 

28 T

280 

156 

277 

273 

275

273 

273 

281 

275 

273

274 

273 

274 

273 

273 

27*

Minimum

0 

0 

0

0

0 

0 

0 

0 

0 

265 

156 

233 

0

0

Aug.

273 

273 

273 

273 

273

273 

273 

272 

266 

265

266 

265 

265 

265 

264

264 

263 

259 

261 

260

259 

266 

250 

248 

242

235 

233 

236 

238 

238 

239

Mean

0.03 

0 

0

99.1

0 

0 

0 

3.6 

150 

286 

275 

259 

91.3

89.4

Sept.

237 

235 

226 

215 

210

206 

205 

186 

146 

147

149 

148 

148 

148 

104

30 

0 

0 

0 

0

0 

0 

0 

0 

0

0 

0 

0 

0 

0

Runoff In 

acre-feet

2

0 

0

71,780

0 

0 

0 

216 

9,210 

17,030 

16,930 

15,910 

5,430

64,730
SPOKANE RIVER BASIN 287

Little Spokane River at Dartfor>d, Wash.

Location.- Staff gage, lat. 47°47'15", long. 117°25'00", in NE£ sec. 6, T. 26 N., R. 43 

K., bU feet downstream from highway bridge at Dartford and 6 miles upstrsam from mouth.

Drainage area.- 626 square miles (revised).

Records available.- April 1929 to September 1932, December 1946 to September 1947.

Extremes.- Maximum discharge observed during period December to September, 596 secondfeet Jan. 26 (gage height, 2.62 feet); minimum observed, 104 second-feet July 13, 21, 

22, 26 (gage height, 1.31 feet).

1929-32, 1946-47: Maximum discharge observed, 1,670 second-feet Feb. 27, 1932 (gage 

height, 4.30 feet); minimum observed, 63 second-feet July 24, 1930 (gage height, 1.07 

feet).

Remarks.- Records good. Gage read once daily. Some diversions for irrigation. No 

regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

SB

29

30

31

Oct.

*

Nov. Dec.

_

-

-

-

-

.

-

-

226

230

240

251

240

244

251

270

262

258

248

233

223

226

216

213

220

207

204

197

188

200

194

Jan.

188

194

177

186

183

174

197

180

177

186

200

194

204

177

164

191

172

159

174

186

220

188

237

385

490

596

495

450

541

372

285

Month

October .......................

November ......................

December 9-31 .................

Calendar year .........

January .......................

February ......................

March .........................

April .........................

May ...........................

June ..........................

July ..........................

August ........................

September .....................

The period ...................

Feb.

207

248

255

266

233

220

207

197

188

248

359

385

450

412

541

460

421

440

480

426

390

359

330

342

326

330

338

330

.

_

Secondfoot-days

5,241

7,922

9 , 388

10,972

11,036

6, 588

4,654

3 489

3 479

3) 804

-

Mar.

313

305

293

326

317

330

285

278

301

285

338

412

376

368

368

376

368

385

390

381

372

355

372

390

368

394

385

372

403

390

376

Maximum

270

596

541

412

398

305

183

129

125

152

-

Apr.

385

398

376

372

390

368

381

394

385

394

372

368

351

334

326

342

351

376

372

381

390

376

359

385

368

372

351

355

338

326

May

305

293

301

285

270

248

244

248

230

233

226

233

240

226

213

204

194

204

194

188

186

174

177

161

166

152

156

156

161

159

161

Minimum

188

159

188

278

326

152

129

106

. 110

-

June

172

169

161

166

169

166

177

177

183

172

169

161

161

156

161

166

161

156

147

152

144

142

134

138

136

134

134

129

132

129

-

Mean

2?8

256

335

354

3 68

155

113

112

127

-

July Aug .

129 112

129 108

127 108

123 110

119 110

119 108

117 110

115 108

al!4 106

113 110

110 115

110 125

104 121

108 121

110 117

112 115

110 113

108 110

106 110

106 110

104 110

104 113

106 115

108 112

108 110

104 113

112 113

117 112

113 110

112 112

112 112

Per 

square 

mile

0.364

.409

.535

.565

. 588

.340

.248

. 181

179

.203

.

Sept.

115

113

110

112

110

113

115

127

140

152

138

134

136

129

125

129

123

125

132

129

127

132

129

132

134

129

129

127

129

129

-

Runoff

Imhes Acre-feet

0.31 10,400

.47 15,710

. 56 18 , 620

.65 21,760

. 66 21 ,890

.39 13,070

.21 6 , 920

.21 6,900

.23 7,550

132,000

a No gage-height record; discharge interpolated.
288 OKANOGAN RIVER BASIN

Okanagan River at Okanagan Falls, British Columbia 

(International gaging station)

Location.- Water-stage recorder, lat. 49°21', long. 119°35', 400 feet downstream from

 falls at Okanagan Falls, British Columbia, and 800 feet downstream from Dog Lake.

Drainage area.- 2,550 square miles.

Records available.- October 1930 to September 1947 in water-supply papers of Geological 

Survey. MarcTi 1915 to September 1930 in bulletins of Dominion Water an1 Power Bureau, 

Department of Mines and Resources, Canada.

Average discharge.- 32 years, 461 second-feet.

flxtrernes.- Maximum discharge during year, 956 second-feet Oct. 25 (gage height, 2.52 feet); 

minimum, 111 second-feet Mar. 1 (gage height, 0.90 foot).

1915-47: Maximum discharge observed, 2,680 second-feet June 10, 1923; minimum observed, 4.6 second-feet Mar. 14, 1931.

Remarks.- Diversions above station for irrigation. Flow regulated by cont-ol dam at outlet of Okanagan Lake.

Cooperation.- This station is one of the international gaging stations maintained by Canada 

under agreement with the United States.

Hating table, water year 1946-47 (gage height, in feet, 

and discharge, in seeond-feet)

0.9 111 1.6 370 

1.0 140 1.9 530 

1.2 202 2.2 715 

1.4 276 2.5 940

Discharge, In seeond-feet, water year October 1946 to September 1947

Day

1 

2

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

ZO

21 

ZZ 

23 

E4 

E5

E6 

E7 

28 

39

30 

31

Oct.

884 

892 

900 

908 

908

900 

884 

884 

892 

892

892 

900 

908 

900 

908

908 

916 

908 

900 

900

900 

892 

900 

908 

924

932 

924 

908 

900 

900 

884

Nov.

884 

876 

845 

830 

815

a802 

a790 

3777 

764 

771

757 

750 

736 

736 

729

722 

715 

a710 

a706 

a701

a696

aG91 

a687 

682 

676

682 

689 

696 

702 

708

Dee.

708 

702 

702 

702 

708

715 

708 

708 

708 

715

722 

722 

743 

743 

736

729 

729 

722 

715 

708

702 

708 

708 

702 

696

689 

696 

689 

702 

689 

682

Jan.

689 

689 

689 

682 

a650

3620 

a590 

a560 

530 

514

502 

486 

492 

475 

448

426 

420 

410 

420 

420

420 

426 

436 

442 

426

442 

436 

436 

436 

458 

426

Feb.

426 

405 

380 

355

326

331 

303 

285 

285 

280

276 

285 

290 

290 

285

285 

285 

276 

276 

268

268 

227 

202 

176 

158

140 

126 

126

Month

Octo 

Hove 

Deoe

Ca

Janu 

Febr 

Marc 

Apr! 

May

June 

July 

Augu 

Sept

Ha

lendar year 1946

ter year 1946-47 .......................

Mar.

114 

114 

140 

134 

131

128 

126 

126 

126 

131

134 

137 

137 

143 

140

146 

143 

146 

146 

146

146 

143 

140 

140 

140

140 

140 

140 

137 

146 

149

Apr.

149 

149 

149 

149 

146

143 

137 

140 

146 

146

143 

143 

146 

149 

146

143 

143 

140 

146 

155

164 

186 

202 

227 

242

h257 

a270 

3282 

a295 

a307

Secondfoot-days

27,956 

22,325 

22,008

314,396

15,496 

7,615 

4,249 

5,340 

10,065 

8,569 

6,284 

10,057 

10,062

150,026

May

a320 

8333 

h346 

h350 

h355

h346 

355 

350 

355 

365

370 

360 

355 

346 

350

336 

326 

316 

326 

326

326 

316 

312

h303 

h308

h294 

h280 

h257 

h265 

H257 

h261

Maximum

932 

884 

743

1,360

689 

426 

149 

307 

370 

346 

253 

346 

390

932

June

h261 

h261 

h272 

h276 

290

303 

308 

312 

331 

346

346 

336 

331 

321 

308

303 

298 

294 

285 

285

272 

265 

265 

257 

249

246 

238 

238 

238 

234

Julj231 

234 

234 

231

220

213 

216 

216 

216 

216

199 

192 

192

202 

183

186 

1S9 

216 

216 

2C9

1P2 

164 

164

iei

If4 

155 ie4

2C2 

216 

238 

253

Aug.

266 

290 

308 

308 

312

312 

312 

321 

321 

321

321 

326 

326 

326 

331<

331

336 

341 

336 

331

331 

326 

331 

331 

336

346 

346 

346 

341 

321 

326

Minimum Mean

884 902 

676 744 

682 710

492 861

410 500 

126 272 

114 137 

137 178 

257 325 

234 286 

155 203 

266 324 

308 335

114 411

Sept.

326 

331 

341 

346 

336

331 

326 

326 

331 

341

341 

336 

341 

326 

326

336 

336 

326 

320 

312

308 

3O8 

308 

312 

341

390 

380 

370 

360 

350

Runoff In 

acre-feet

55,450 

44,280 

43,650

623,600

30,740 

15,100 

8,430 

10,590 

19,960 

17,000 

12,460 

19,950 

19,960

297,600

a Ho gage-height record; discharge Interpolated, 

h Computed from staff-gage readings.
OKANOGAN RIVER BftSIN 289

Osoyoos Lake near Oroville, Wash. 

(International gaging station)

Location.- Water-stage recorder, lat. 48°59'15", long. 119°27'15", in lot 1, sec. '8, T. 

4U JM. , R. 27 E., on west shore, 1 mile south of international boundary and 3 miles 

north of Oroville. Datum of gage is at mean sea level, U. S. Coast and Geodetic 

Survey datum of 1929.

Drainage area.- 3,250 square miles.

Records available.- July 1928 to September 1947.

Extremes.- Maximum elevation during year, 912.68 feet Oct. 25, Nov. 1; minimum, 910.86 

 i'eet Mar. 29, 30.

1928-47: Maximum elevation, 914.84 feet Apr. 28, 1934; minimum, 908.82 feet Oct. 

14, 1929.

Flood of May 29, 1894, reached an elevation of 918.8 feet +0.5 foot, 1 mile below 

present lake outlet, from floodmark an old Okanogan Hotel Building, pointed out in 

1930 by Mr. and Mrs. Stansbury who kept a diary and operated the hotel in 1894.

Remarks.- Diversion in Canada for irrigation. Elevation may occasionally be affected by 

dam at Zozel's mill in Oroville. Okanogan River subject to natural regulation by 

several lakes and to artificial regulation by Okanagan Lake as an aid to navigation.

Cooperation.- This station is one of the international gaging stations maintained by the 

United States under agreement with Canada.

Elevation, in feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

26

26

27

28

29

30

31

Oct.

912.50

912.49

912.50

912.50

912.51

S12.51

912.52

912.53

912.55

912.53

912.53

912.54

912.53

912.55

912.52

S12.51

912.52

912.55

912.57

912.55

912.60

512.60

912.61

912.63

912.65

S12.64

912.65

912.61

912.62

912.62

912.63

Nov.

912.66

912.65

912.65

912.64

912.62

912.62

912.61

912.60

912.58

912.58

912.52

912.50

912.49

912.47

912.43

912.42

912.40

912.41

912.40

912.38

912 31

912.32

912.34

912.36

912.37

912.36

912.39

912.40

912.40

912.40

-

Dec.

912.40

912.39

912.40

912.40

912.41

912.41

912.41

912.41

912.41

912.41

912.44

912.45

912.49

912.50

912.50

912.50

912.50

912.45

912.48

912.45

912.41

912.40

912.39

912.37

912.34

912.32

912.36

912.30

912.25

912.26

912.27

Jan.

912.27

912.25

912.22

912.21

912.20

912.20

912.19

912.18

912.16

912.15

912.13

912.11

912.05

912.10

912.03

911.98

911.51

911.88

911.85

911.82

911.81

911.80

911.80

911.80

911.80

911.80

911.80

911.80

911.76

911.79

911.77

Feb.

911.73

911.71

911.71

911.71

911.71

911.70

911.65

911.68

911.65

911.62

911.61

911.62

911.62

911.62

911.61

911. '60

911.58

911.56

911.53

911.52

911.51

911.49

911.46

911.43

911.41

911.36

911.33

911.30

_

.

-

Mar.

911.28

911.23

'911.21

911.18

911.13

911.10

911.08

911.05

911.03

911.02

911.01

911.00

911.00

910.99

910.95

910.94

910.54

910.54

910.93

910.93

910.93

910.53

910.51

910.90

910 90

910.85

910.89

910.88

910.66

910.88

910.90

Apr.

S10.90

910.50

910.92

910.92

910.91

910.92

910.91

910.91

910.92

910.93

910.53

910.94

910.56

911.00

910.99

911.01

911.02

911.03

911.07

911.12

911.17

911.20

911.21

911.27

911.29

911.31

911.38

911.45

911.60

911.75

May

911.89

912.07

912.21

912.21

912.14

912.08

912.03

911.95

911.92

911.84

911.77

911.73

911.68

911.62

911.59

911.55

911.52

911.48

911.46

911.44

911.40

911.36

911.34

911.32

911.30

911.31

911.32

911.27

911.26

911.29

911.30

June

911.31

911.35

911.35

911.42

911.43

911.44

911.47

911.54

911.63

911.65

911.71

911.71

911.73

911.71

911.71

911.70

911.72

911.73

911.69

911.62

911.54

911.47

911.42

911.36

911.32

911.26

911.25

911.24

911.23

911.20

-

July Aug .

911.15 911.21

911.14 911.25

911.11 911.29

911.07 911.34

911.03 911.35

911.00 911.36

910.97 911.38

910.97 911.41

910.95 911.42

910.95 911.44

910.92 511.47

910.80 911.50

910.90 911.52

910.52 911.55

910.94 911.58

910.53 911.58

910.94 911.60

910.95 911.63

910.57 911.60

910. S5 911.56

910.96 911.54

910.97 911.53

910.95 911.51

910.96 511.51

910.94 911.51

910.94 911.51

910.94 S11.51

911.05 911.50

911.12 911.49

911.15 911.47

911.19 911. 4S

Sept.

911.50

911.51

911.51

911.51

911.45

911.46

911.44

911.42

911.42

911.41

911.40

911.40

911.38

911. 3&

911.35

911.36

911.35

911.32

911.32

911.35

911.36

911.38

911.39

911.40

911.40

911.42

911.43

911.45

911.46

911.46

-
290 OKANOGAN RIVER BASIN

Okanogan River at Orovllle, Wash.

Location.- Water-stage recorder, lat. 48°56 T , long. 119°51', In SW£ sec. £7, T. 40 N. , R. 27 E., in Oroville, half a mile downstream from Tonasket Creek and lj miles downstream from Osoyoos Lake. Datum of gage is 900 feet above mean sea level, datum of 

1929.

Records available.- October 1942 to September 1947.

Extremes.- Maximum discharge during year not determined, occurred during period of backwater from Similkameen River; maximum gage height, 9.84 feet May 9; minimum discharge, 

2 second-feet (regulated) May 1 (gage height, 5.18 feet).

1942-47: Maximum discharge observed, 2,230 second-feet May 17, 1946; maximum gage 

height, 12.35 feet June 1, 1945 (backwater from Similkameen River); mirimum discharge, 

that of May 1, 1947.

Remarks.- Records good except those for periods of ice effect and backwater from Similkameen Kiver, which are fair. Diversions in Canada for Irrigation. Natural regulation 

In several large lakes and artificial regulation In Okanagan Lake as ar aid to navigation.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

ttat.

882 

864 

855 

873 

891

873 

882 

873 

900 

882

882 

891 

891 

900 

882

864 

873 

882 

891 

918

918 

936 

945 

954 

972

954 

963 

927 

927 

927 

927

Mov.

945 

936 

927 

927 

927

927 

936 

918 

900 

936

909 

882 

873 

855 

846

837 

810 

837 

802 

776

691 

700 

708 

725 

750

750 

759 

759 

759 

759

Dec.

750 

750 

750 

750 

750

734 

725 

734 

734 

734

742 

742 

768 

*768 

759

768 

768 

759 

819 

828

810 

810 

793 

784 

784

768 

793 

750 

750 

742 

734

Jan.

734 

725 

725 

716 

708

708 

708 

708 

700 

691

682 

674 

b660 

b645 

b630

b616 

b601 

b586 

b571 

b557

b542 

b527 

512 

512 

512

512 

*504 

504 

496 

496 

496

Feb.

488 

480 

480 

488 

466

451

444 

437 

430

422

415 

430 

415 

408 

408

402 

395 

395 

395 

382

382 

382 

382 

376 

370

363 

350 

333

Month

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Hare 

Aprl

June 

July 

Augu 

Sept

Wa

lendar year 194(

1.............................. .........

ter year 1946-47 .......................

Mar.

327 

322 

310 

299 

294

288 

278 

268 

264 

264

259 

259 

254 

244 

231

222 

218 

218 

214 

210

205 

210 

210

210 

210

205 

205 

205 

205 

205 

210

Apr.

210 

210 

214 

210

205

205 

218 

186 

175 

171

171 

171 

171 

171 

167

167 

171 

171 

171 

178

186 

186 

182 

182 

186

186

197 

203 

30 

12

Secondfoot-days

27,999 

25,066 

23,650

355,001

18,958 

11,569 

7,523 

5,263 

14,172 

10,076 

3,902 

5,993 

9,316

163,487

May

7 

10 

101 

855 

864

6848 

6832 

6816 

e801 

6740

e680 

e620 

6560 

eSOO 

e436

e429 

422 

395 

382 

382

363 

357

344 

6335 

6326

6317 

6308 

6299 

e290 

6281 

e272

Maximum

972 

945 

828

2,070

734 

488 

327 

218 

864 

458 

268 

294 

370

972

June

e263 

254 

288 

254 

244

244 

254 

273 

305 

338

327 

333 

338 

333

322

316 

333 

415 

430 

451

458 

437 

415 

389 

376

344 

344 

338 

333

327

July

268 

254 

249

235 

226

222 

171 

154 

147 

150

134 

131 

128 ise

141

114 

8f 

81 

7f 

72

7C 

66 

61 

61 

61

61

se

6f 

7C 

74 

7f

Minimum

855 

691 

725

600

496 

333 

205 

12 

7 

244 

59 

83 

254

7

Aug.

83 

88 

93 

103 

100

122 

122 

131 

138 

141

147 

154 

154 

164 

178

175 

178 

264 

294 

288

273 

268 

264 

259 

264

268 

264 

259 

259 

244 

254

Mean

903 

836 

763

973

612 

413 

243 

175 

457 

336 

126 

193 

311

448

Sept.

254 

259 

264 

268 

299

350 

344 

327 

338 

322

316 

322 

327 

299 

305

310 

333 

283 

283 

294

299 

299 

310 

316 

310

316

322 

333 

344 

370

Runoff In 

acre-feet

55,540 

49,720 

46,910

704,100

37,600 

22,950 

14,920 

10,440 

28,110 

19,990 

7,740 

11,890 

18,480

324,300

* Winter discharge measurement made on this day. 

b Stage-discharge relation affected by Ice.

e Backwater from Similkameen River; discharge Interpolated, except May 9 and 15 which were computed 

on basis of gage-height record and fall.
OKANOGAN RIVER BASIN 291

Okanogan River near Tonasket, Wash. 

(International gaging station)

Location.- Water-stage recorder, lat. 48°38'00", long. 119°27i50", In lot c, sec. 8, T. 

36 W., R. 27 E., 1,000 feet upstream from Chewiliken Creek and 5j miles south of 

Tonasket.

Drainage area.- 7,250 square miles.

Records available.- April 1929 to September 1947. May 1911 to September 1?25 (equivalent 

records at site a quarter of a mile upstream from Salmon Creek at Okanofan, published 

as Okanogan River at Okanogan) in reports of Geological Survey. June 1?11 to September 

1933 (monthly records only) in State Water-Supply Bulletin 5.

Average discharge.- 32 years (1911-25, 1929-47), 2,684 second-feet.

Extremes.- Maximum discharge during year, 13,400 second-feet May 10 (gage felght, 13.47 

reet); minimum, 542 second-feet Sept. 1 (gage height, 4.57 feet).

1911-25, 1929-47: Maximum discharge recorded, 25,400 second-feet Apr. 27, 1934 

(gage height, 18.3 feet); minimum recorded, 126 second-feet Sept. 5, 19fl (gage height, 

3.43 feet).

Remarks.- Records good except those for periods of shifting control, which are fair, and 

those for period of ice effect, which are poor. Many diversions above station for 

irrigation. Flow subject to natural regulation by several lakes and to some regulation 

by Okanagan Lake as an aid to navigation. Some diurnal fluctuation at low flow caused 

by power plant on Simllkameen River.

Cooperation.- This station is one of the international gaging stations malrtalned by 

tne united States under agreement with Canada.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

Z 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

1,330 

1,330 

1,330 

1,330 

1,330

1,330 

1,330 

1,370 

1,370 

1,410

1,370 

1,370 

1,370 

1,330 

1,410

1,410 

1,410 

1,450 

1,450 

1,450

1,450 

1,450 

1,450 

1,4SO 

1,540

1,490 

1,800 

1.900 

1.760 

1,670 

1,620

Nov.

1,670 

1,620 

1,580 

1,580 

1,580

1,580 

1,540 

1,540 

1,540 

1,4SO

1,490 

1,490 

1,450 

1,410 

1,330

1,290 

1,330 

1,410 

1,370 

1,330

i.szq

1,320 

1.340 

1,370 

1,490

1,450 

1,370 

1,370 

1,370 

1,330

Dec.

1,330 

1,290 

1,290 

1,330 

1,330

1,330 

1,330 

1,330 

1,330 

1,290

1,290 

1,330 

1,410 

1,490 

1,490

1,450 

1,570 

*1,J50 

1.330 

1,330

1,330 

1,370 

1,410 

1,370 

1,330

1,250 

1,240 

1,210 

1,190 

1,190 

1,200

Jan.

1,210 

1,200 

1,180 

1,220 

1,250

1,290 

1,290 

1,290 

1,290 

1,290

1,290 

1,330 

1,250 

980 

912

960 

1,000 

1,020 

1,060 

1,090

1,120 

1,140 

1,170 

*1.210 

1,250

1,210 

1,130 

1,080 

1,000 

920 

826

Feb.

733 

780 

820 

860 

900

910 

900 

879 

848 

879

912 

950 

980 

1,010 

1,030

1,030 

1,020 

1,020 

1,020 

1,020

1,020 

1,020 

1,050 

945 

1.020

980 

1,050 

1,050

Month

Octo 

Hove

Dece

Ca

Janu 

Pebr 

Hare 

Aprl

Mav

June 

July 

Augu 

Sept

Wa

lendar year 1S46 

ai*y

ter year 1946-47 .......................

Mar.

980 

379 

879 

848 

848

817 

788 

788 

788 

817

788 

760 

760 

760 

760

760 

788 

817 

879 

1,020

1,170 

1,330 

1,450 

1,540 

1,490

1,450 

1,370 

1,330 

1,290 

1,330 

1,450

Apr.

1,540 

1,620 

1,670 

1,670 

1,670

1,620 

1,580 

1,540 

1,490 

1,490

1,490 

1,450 

1,450 

1,490 

1,720

2,340 

2,880 

3,350 

3,720 

4,120

4,260 

3,980 

3,850 

3,850 

3,850

4,120 

4,690 

5,810 

6,870 

7,050

Secondfoot-days

45,100 

43 , 350 

41,110

1,257,690

35,458 

26,636 

31,724 

88,230 

284,000 

172,840 

53,994 

£5,552 

22,721

870,715

May

6.51C 

5,980 

7,05C 

8.50C 

8,69C

9,07C 

9,64C 

10,60C 

12,40C 

13.20C

12,200 

11,20C 

10.80C 

10,40C 

9,45C

8,69C 

8.13C 

7,59C 

7,Q5C 

6,87C

7,23C 

7,59C 

7,59C 

7,59C 

8,50C

9,64C 

10.40C 

10,800 

10,800 

10,20C 

9,64C

Maximum

1,900 

1,670 

1,490

16,900

1,330 

1,050 

1,540 

7,050 

13,200 

9,070 

2,990 

1,170 

879

13,200

June

9,070 

8,500 

8,500 

8,310 

7,950

7,410 

7,050 

7,230 

7,230 

7,950

7,410 

6,690 

6,150 

5,810 

5,640

5,150 

4,990 

5,150 

4,990 

4,840

4,540 

4,120 

3,850 

3,720 

3,720

3,590 

3,470 

3,350 

3,230 

3,230 

-

July

2,990 

2,770 

2,720 

2,660 

2,500

2,390 

2,290 

2,190 

2,090 

1,940

1,850 

1,800 

1,720 

1,670 

1,670

1,670 

1,760 

1,620 

1,450 

1,370

1,330 

1,250 

1,170 

1,090 

879

945 

1,050 

1,170 

1,250 

1,410 

1,330

Minimum

1,330 

1,290 

1,190

1,090

826 

733 

760 

1,450 

5,980 

3,230 

879 

654 

570

570

Aug.

1,170 

1,090 

1,050 

1,050 

980

945 

879 

848 

848 

817

760 

788 

788 

760 

788

733 

706 

706 

817 

817

760 

733 

788 

848 

817

760 

733 

733 

706 

680 

654

Mran

1,455 

1,445 

1,326

3,446

1,144 

951 

1,023 

2,941 

9,161 

5,761 

1,742 

824 

757

2,386

Sept.

570 

680 

706 

680 

706

733 

788 

706 

879 

817

760 

760 

760 

788 

760

817 

760 

760 

733 

760

817 

760 

788 

817 

788

788 

760 

760 

760 

760

Runoff In 

acre-feet

89,450 

85,980 

81,540

2,495,000

70,330 

52,830 

62,920 

175,000 

563,300 

342,800 

107 , 100 

50,680 

45,070

1,727,000

* Winter discharge measurement made on this day.

Note.- Stage-discharge relation affected by Ice Nov. 20-23, Dec. 18-20, Dec. 27 to Jan. 4, Jan. 16- 

22, 28-30, Feb. 2-7, 12-16. Shifting-control method used Oct. 1 to Nov. 19, Nov. 2»- to Dec. 17, 

Dec. IS, 21-26, Jan. 5-15, 23-27, 31, Feb. 1, Feb. 8-11, Feb. 17 to May 10.
OKANOGAN RIVER BASIN

Similkameen River near Nighthawk, Wash. 

(International gaging station)

Location.- Water-stage recorder, lat. 48°59'10", long. 119°37'00", in NW£ sec. 7, T. 40 N., 

K. 26 E., about l{ miles downstream from Nighthawk and 12 miles upstream from mouth.

Drainage area.- 3,420 square miles.

ttecords available.- September 1928 to September 1947. May 1911 to September 1928 (mean 

monthly discharge including that of Oroville-Tonasket Irrigation District canal) at site 

4 miles upstream from Oroville, published as oimilkameen River near Oroville.

Average discharge.- 36 years, 2,078 second-feet.

Extremes.- Maximum discharge during year, 14,300 second-feet May 9 (gage height, 11.43 

I'eet); minimum, 178 second-feet Dec. 28 (gage height, 2.49 feet).

1928-47: Maximum discharge, 27,200 second-feet Apr. 26, 1934 (gage ireight, 14.96 

feet); minimum, 120 second-feet Jan. 6, 1930 (gage height, 2.05 feet).

Remarks,- Records good except those for periods of no gage-height record, which are fair, 

ana those for periods of ice effect, which are poor. Flow at high stages regulated by 

natural diversion into and release from Palmer Lake. Small diversions above station for 

irrigation.

Cooperation.- This station1 is one of the international gaging stations maintained by the 

united States under agreement with Canada.

Rating table, water year 1946-47, except periods of ice effect 

(gage height, in feet, and discharge, in second-feet)

2.7 252 4.0 950 7.O 4,430 

2.9 334 4.5 1,380 8.0 6,150 

3.1 423 5.0 1,870 9.0 8,170 

3.3 519 5.5 2,430 10.0 10,500 

3.6 684 6.0 3,040 11.5 14,600

Discharge, in second- feet, water year October 1946 to Septesber 1947

Day

1 

2 

3

4 

5

6 

7 

B 

9 

10

11 

12 

13 

14 

15

16 

17 

IB 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

451 

451 

451 

456 

456

456 

465 

475 

494 

499

499 

494 

480

475 

470

470 

470 

461 

455 

465

465 

475 

504 

509 

499

788 

950 

797 

702 

655 

643

Nov.

598 

588 

571 

550 

555

540 

555 

561 

540 

529

535 

529 

510 

485 

450

435 

455 

480 

460 

445

440 

455 

485 

530 

600

580 

550 

550 

550 

530

Dec.

530 

500 

500 

510 

519

524 

524 

514 

504 

485

499 

555 

721 

678 

*620

566 

485 

382 

b360 

f352

f461 

576 

545 

485 

456

418 

410 

272 

b285 

300 

309

Jan.

330 

330 

320 

320 

360

420 

465 

470 

494 

524

555 

571 

529 

313 

b305

b330 

b360 

b390 

b410 

b430

b470 

b490 

*b515 

b540 

b570

550 

519 

bSOO 

b470 

b440 

418

»onth ffot

Goto 

Nove 

Dece

Ca

Janu 

Febr 

Haro 

Apri 

May 

June 

July 

Augu 

Sept

Wa

mber ......................

lend&r year 1946 

ary

1 .........................

ember .....................

Feb.

465 

470 

480 

485 

494

504 

519 

514 

485 

456

504 

529 

524 

524 

529

529 

529 

535 

540 

540

550 

540 

550 

555 

550

545 

540 

529

ond-

-days

16,390 

15,641 

14,845

20,740

13,708 

14,514 

23,448 

89,070 

87,590 

67,940 

49,970 

21,205 

14,403

ter year 1946-47 .......... 728,724

Mar.

524 

519 

519 

514 

490

470 

465 

485 

494 

494

485 

480 

480 

485 

494

514 

555 

626 

745 

880

1,030 

1,160 

1,240 

1,240 

1,200

1,160 

1,110 

1,070 

1,070 

1,160 

1,290

Maximum

950 

600 

721

15,900

571 

555 

1,290 

7,540 

14,300 

9,050 

2,730 

1,070 

529

14,300

Apr.

1,380 

1,380 

1,380 

1,380

1,340

1,340 

1,290 

1,240 

1,240 

1,240

1,240 

1,240 

1,290 

1,420 

1,980

2,610 

2,980 

3,560 

3,840 

4,280

4,130 

3,980 

3,840 

3,840 

3,980

4,430 

5,420 

6,930 

7,540 

7,330

May

6,530 

6,530 

8,170 

8,610 

8,610

9,050 

9,980 

12,000 

14,300 

12,800

11,200 

10,700 

10,700 

9,980 

8,830

8,390 

7,750 

7,130 

6,730 

6,930

7,540 

7,750 

7,540 

8,170 

9,280

10,200 

11,000 

11,200 

10,500 

9,980 

9,510

Minimum

451 

435 

272

272

320 

456 

465 

1,240 

6,530 

2,910 

990 

475 

437

272

June

9,050 

8,610 

8,610 

8,170 

7,750

7,330 

7,130 

7,130 

7,750 

7,750

7,130 

6,340 

5,960 

5,780 

5,250

4,910 

4,910 

4,910 

4,750 

4,430

4,130 

3,700 

3,560 

3,560 

3,430

3,430 

3,300 

3,170 

3,100 

2,910

Mean

529 

5E1 

479

2,523

442 

518 

756 

2,969 

9,277 

5,598 

1,612 

684 

480

1,997

Julj2,730 

2,550 

2,490 

2,370 

2,260

2,140 

2,090 

1,980 

1,870 

1,770

1,670 

1,620 

1,570 

1,520 

1,470

1,670 

1,570 

1,420 

1,340 

1,290

1,240 

1,160 

1,070 

1,030 

990

1,030 

1,110 

1,160 

1,290 

1,340 

1,160

Per 

square 

mile

0.155 

.152 

.140

.738

.129 

.151 

.221 

.868 

2.71 

1.64 

.471 

.200 

.140

.584

Aug.

1,070 

1,030 

1,030 

990 

915

880 

810 

784 

739

721

721 

714 

702 

684 

649

620 

610 

598 

582 

561

545 

540 

550 

576 

566

540 

524 

509 

490 

475 

480

Sept.

509 

529 

499 

475 

456

446 

456 

475 

485 

499

504 

514 

485 

456 

442

442 

446 

480 

524 

514

504 

514 

514 

499 

480

470 

456 

451 

442

437

Runoff

Inches

0.18 

.17 

.16

10.02

.15 

.16 

.25 

.97 

3.13 

1.83 

.54 

.23 

.16

7.93

Acre-feet

32,510 

31,020 

29,440

1,826,000

27,190 

28,790 

46,510 

176,700 

570,400 

333,100 

99,110 

42,060 

28,570

1,445,000

Winter discharge measurement made on this day. 

b Stage-discharge relation affected by ice. 

f Computed on basis of partly estimated gage-height record.

Note.- No gage-height record Hov. 13 to Dec. 4, Jan. 2-6; discharge computed on basis of weather 

records and records for Okanogan River near Tonasket.
METHOW RIVER BASIN 293

Methow River at Twisp, Wash.

Location.- Water-stage recorder, lat. 48° 21 "40", long. 120°'fl6'50", in sec. 17, T. 33 N., 

K. 22 K., at highway bridge at Twisp and a quarter of a mile downstream from Twisp 

River.

Drainage area.- 1,330 square miles.

Records available.- June 1919 to September 1929, October 1933 to September 1947.

Average discharge.- 24 years, 1,180 second-feet.

Extremes.- Maximum discharge during year, 8,920 second-feet May 8 (gage height, 7.72 

 feet); minimum, 182 second-feet Aug. 28, 29 (gage height, 1.5C feet).

1919-29, 1933-47: Maximum discharge, 21,300 second-feet May 26, 194? (gage height, 

10.76 feet, from floodmark in gage well); minimum observed, 134 second-feet Sept. 4, 

5, 1926, Sept. 9, 10, 1929 (gage height, 1.42 feet), but may have been ]ess during 

period of ice effect Jan. 6 to Mar. 4, 1937.

Remarks.- Records excellent except those for periods of ice effect or doubtful or no gageheight record, which are fair. Water diverted above station for irrigation by two 

canals of Methow Valley Irrigation District, by Risley ditch, and by mary other ditches.

Rating table, water year 1946-47, except periods of Ice or doubtful gage-heighb record 

(gage height, In feet, and discharge, In seconrt-fpetl

1.5 182

1.7 249

2.0 380

2.5 659

3.0 1,010

3.5 1,450

4.0 1,980

4.5 2,620

5.0 3,360

6.0 5,260

7 .O 7,380

8.0 9,590

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

3 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

31 

32 

33 

34 

35

36 

37 

28 

29 

30 

31

Oct.

333 

385 

375 

371 

371

366 

375, 

375 

371 

371

375 

375 

371 

366 

361

361 

356 

352 

347 

352

352 

356 

356 

347 

441

494 

462 

430 

425 

405 

400

Nov.

405 

390 

385 

380 

380

385 

380 

375 

375 

375

366 

352 

342 

338 

333

333 

347 

338 

338 

333

311 

338 

338 

338 

342

338 

333 

329 

324

302

Dec.

315 

329 

329 

333 

333

329 

320 

320 

320 

315

375 

380 

366 

347 

342

298 

281 

275 

»269 

260

270 

280 

250 

225 

225

235 

225 

200 

220 

235 

255

Jan.

245 

235 

220 

210 

200

195 

195 

205 

195

205

220 

220 

215 

210 

200

220 

224 

249 

270 

280

295 

305 

320 

325 

320

310 

295 

*282 

275 

270 

265

Feb.

270 

273 

275 

281 

285

273 

273 

273 

265 

281

277 

277 

273 

281 

285

277 

273 

273 

269 

269

277 

281 

285 

298

302

307 

300 

295

Month

Octo 

Move

Dece

Ca

Janu 

Febr 

Hare 

Apr!

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

300 

290 

290 

300 

300

285 

290 

300 

320 

340

350 

360 

370 

385 

410

441 

494 

604 

853 

1,090

1,350 

1,500 

1,500 

1,350 

1,260

1,220 

1,130 

1,130 

1,170 

1,300 

1,450

Apr.

1,500 

1,500 

1,450 

1,350 

1,300

1,220 

1,170 

1,170 

1,170 

1,170

1,130 

1,130 

1,170 

1,500 

2,100

2,480 

2,830 

2,980 

3,050 

2,980

2,760 

2,620 

2,480 

2,480 

2,550

2,900 

3,620 

4,560 

4,560 

3,980

Secondfoot -days

11,777 

10,543 

9,056

582,409

7 

7 

22 

66 

160 

98 

29 

10 

7

848 

732 

860 

900 

990 

918 

538 

087

443,924

Bay

3,530 

3,980 

4,660 

4,860 

5,060

5,470 

6,730 

8,700 

8,040 

6,520

5,890 

5,680 

5,680 

5,060 

4,560

4,160 

3,790 

3,530 

3,360 

3,530

3,880 

4,070 

4,260 

4,860 

5,680

6,310 

6,730 

6,520 

5,680 

5,260 

4,860

Maximum

494

405 

380

10,100

325 

307 

1,500 

4,560 

8,700 

5,470 

1,450 

610 

265

8,700

June

,460 

,860 

,860 

,460 

,070

,980 

,260 

,760 

5,470 

4,660

3,980 

3,700 

3,530 

3,360 

5,050

2,980 

3,120 

3,120 

2,900 

2,550

2,220 

2,100 

2,160 

2,160 

2,280

2,100 

1,980 

1,760 

1,600 

1,500

July

1,400 

1,450 

1,400 

1,350 

1,300

1,300 

1,260 

1,170 

1,090 

1,050

1,050 

1,010 

956 

941 

1,010

1,000 

926 

882 

860 

846

790 

750 

685 

653 

628

659 

691 

723 

756 

691 

641

Minimum

333 

302 

200

200

195 

265 

285 

1,130 

3,360 

1,500 

628 

188 

201

188

Aug.

610 

566 

563 

533 

489

467 

435 

415 

410 

400

385 

380 

371 

352 

324

298 

289 

277 

261 

253

249 

245 

249 

242 

235

220 

204 

188 

191 

204 

213

Mean

380 

351 

292

1,596

248 

280 

733 

2,229 

5,190 

3,300 

965 

340 

236

1,216

Sept.

210 

207 

201 

2O4 

204

213 

231 

245. 

245 

245

245 

253 

249 

242 

235

235 

235 

242 

242 

242

238 

235 

231 

231 

242

249 

261 

257 

253 

265

Runoff In 

acre-feet

23,360 

20,910 

17,960

1,155,000

15,220 

15,570 

45,090 

132,600 

319,100 

196,300 

59,340 

20,900 

14,060

880,400

* Winter discharge measurement made on this day.

Mote.- Stage-discharge relation affected by ice Dec. 18 to Jan. 15. Doubtful gage-height record 

Jan. 19 to Feb. 3j no gage-height record-Feb. 27 to Mar. 15; discharge computed on basis of 1 discharge measurement, weather records, and records for Similkameen River near Nighthawk.
CHELAN RIVER BASIN

Stehekin River at Stehekin, Wash.

Location.- Water-stage recorder, lat. 48°19'50", long. 120°41'40", in SE-j sec. 26, T. 33 

N., K. 17 E., 1,200 feet upstream from Boulder Creek and 2 miles upstream from Lake 

Chelan and Stehekin.

Drainage area.- 372 square miles, including that of Boulder Oeek.

Records available.- October 1910 to October 1915, January 1927 to September 1947 (include 

flow of Boulder Creek).

Average discharge.- 25 years, 1,305 second-feet.

Extremes.- Maximum discharge during year, 7,960 second-feet May 8 (gage height, 24.99 

feet); minimum, 174 second-feet sometime during period of no gage-height record Jan. 

13-31 (gage height, 18.87 feet, from recorded range in stage).

1910-15, 1927-47: Maximum discharge, 12,900 second-feet June 2, 1936 (gage height, 

27.18 feet), from rating curve extended above 8,500 s§cond-feet; minimum, 56 secondfeet Jan. 21, 1930.

Remarks.- Records excellent except those for periods of no gage-height record, which are 

poor. At very high stages small part of flow is diverted above gage by natural 

sloughs; flow diverted included in daily discharge.

Cooperation.- Gage-height record collected in cooperation with and four discharge measurements furnished by Washington Water Power Co.

Rating table, water year 1946-47 (gage height. In feet, 

and discharge, In second-feet)

18.9 182 20.3 940 22 

19.1 248 20.6 1,180 23 

19.4 377 21.0 1,550 24 

19.7 536 21.5 2,O80 24 

20.0 722 22.0 2,710

Discharge, in second-feet, water year October

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

326 

304 

287 

275 

268

260 

264 

256 

248 

241

227 

220 

216 

213 

210

204 

201 

194 

198 

238

268 

268 

252 

1,060 

3,760

1,230 

842 

664 

595 

514 

486

Nov.

469

432 

412 

397 

337

372 

353 

239 

330 

321

296 

237 

275 

275 

271

256 

268 

264 

271 

260

252 

252 

268 

271 

271

279 

283 

268 

264 

248

Dec.

244 

244 

244 

243 

252

244 

248 

244 

248 

353

842 

620 

525 

530 

491

438 

382 

397 

387 

377

363 

349

335 

326 

313

313 

304 

264 

264 

275 

291

Jan.

271 

227 

220 

213 

216

230 

248 

248 

234 

238

238 

227 

220 

205 

190

180 

180 

200 

220 

210

230 

300 

440 

680 

630

540 

480 

420 

380 

370 

363

Feb.

363 

313 

358 

372 

354

344 

335 

326 

304 

304

304 

308 

330 

363 

470

455 

435 

420 

405 

395

390 

400 

425 

480 

510

490 

470 

460

Hnn+h SecondHonth foot-days

Goto 

Nove 

Dace

Ca

Janu 

Febr 

Hare 

Apri 

Hay 

June 

July 

Augu 

Sept

ffa

lender year 1946 ......

ary

14,789 

9,196 

10,955

527,213

ember .....................

9,248 

10,883 

27,920 

59,886 

33,090 

93,560 

59,920 

28,547 

17,321

ter year 1946-47 .......... 475,315

Mar.

440 

460 

430 

440 

420

390 

380 

370 

370 

370

380 

400 

440 

510 

600

720 

940 

1,200 

1,460 

1,660

1,840 

1,740 

1,600 

1,500 

1,360

1,230 

1,180 

1,140 

1,140 

1,360 

1,450

Maximum

3,760 

469 

842

7,320

680 

510 

1,840 

3,810 

7,320 

4,210 

2,640 

1,550 

770

7,320

Apr.

1,450 

1,450 

1,360 

1,270 

1,180

1,100 

1.O6O 

1,020 

1,010 

1,000

964 

972 

1,230 

1,750 

2,380

2,580 

2,780 

2,710 

2,780 

2,580

2,320 

2,140 

2,080 

2,080 

2,260

2,640 

3,360 

3,810 

3,580 

2,990

.5 3,430 

.0 4,210 

.0 5,940 

.7 7,32O

1946 to September

Hay

2,780 

3,580 

3,970 

3,730 

3,810

4,540 

6,130 

7,320 

5,760 

4,540

3,890 

4,050 

3,810 

3,280 

3,060

2,850 

2,580 

2,330 

2,520 

2,990

3,580 

3,660 

3,89O 

4,710 

5,580

5,940 

6,710 

6,130 

5,220 

5,220 

4,880

Minimum

194 

248 

244

194

180 

304 

370 

964 

2,380 

1,800 

1,180 

614 

382

180

June

3,970 

3,970 

2,890 

2,500 

3,430

3,430 

3,660 

3,970 

4,210 

3,500

2,990 

2,920 

3,060 

2,780 

2,580

3,060 

3,890 

3,660 

3,060 

2,520

2,200 

2,450 

2,850 

3,280 

3,430

2,920 

2,640 

2,080 

1,860 

1,800

Mean

477 

307 

353

1,444

298 

389 

901 

1,996 

4,293 

3,119 

1,933 

921 

577

1,302

19J-7

July

2,080 

2,380 

2,260 

2,080 

2,260

2,530 

2,320 

2,080 

1,970 

1,970

1,920 

2,020 

1,920 

2,080 

2,640

2,080 

2,020 

2,320 

2,380 

2,140

2,020 

1,920 

1,750 

1 , 550 

1,360

1,270 

1,180 

1,550 

1,320 

1,230 

1,270

Per 

square 

mile

1.23 

.825 

.949

3.88

.801 

1.05 

2.42 

5.37 

11.5 

8.33 

5.20 

2.43 

1.55

3.50

Aug.

1,400 

1,550 

1,500 

1.5OO 

1,320

1,140 

1,100 

1,100 

1,010 

910

835 

320 

864 

917 

964

910 

835 

791 

716 

664

651 

638 

614 

632 

614

638 

657 

702 

756 

964 

835

Sept.

770 

750 

722 

736 

716

607 

638 

589 

722 

626

577 

S83 

589 

514 

497

542 

486 

432 

397 

382

432 

508 

554 

548 

548

571 

583 

571 

571 

560

Runoff

Inches

1.48 

.92 

1.10

52.70

.92 

1.09 

2.79 

5.99 

13.31 

9.35 

5.99 

2.85 

1.73

47.52

Acre-feet

29,330 

18,240 

21,730

1,046,000

18,340 

21,590 

55,380 

118,800 

264,000 

185,600 

118,800 

56,, 620 

34,360

942,300

Note.- No gage-height record Jan. 13-30, Feb. 15 to Mar. 23; discharge computed on basis of recorded range in stage and records for Wenatchee River at Plain.
CHELAN RIVER BASIN 295 

Lake Chelan at Chelan, Wash.

Location.- Water-stage recorder, lat. 47°50'00", long. 120°03'40", In lot 3, sec. 15, T.

 y/ N., R. 22 E., 2 miles west of Chelan. Datum of gage is at mean sea level, adjustment of 1912.

Drainage area.- 950 square miles.

Records available.- September 1897 to December 1899, January to June 1905, December 1910 

to aeptemcer iy47.

Extremes.- Maximum elevation during year, 1,100.05 feet (regulated) July 19; minimum,

 1,(jya.88 feet (regulated) Mar. 16, 17.

1897-99, 1905, 1910-47: Maximum elevation, that of July 19, 1947; minimum, 1,076.78 

feat Jan. 27, 28, Dec. 2, 3, 1898.

Remarks.- Reservoir is formed by low concrete dam at lake outlet completed Sept. 3, 1927.

 Capacity. 676,100 acre-feet between elevations 1,079 and 1,100 feet. Regulation

between these elevations is allowed by stipulation "of Federal Power Commission. Water 

is used for power development. Elevation of lake maintained between 1.0E2 and 1,100 

feet during period Aug. 16 to Sept. 15 for scenic effect and recreational purposes.

Cooperation.- Gage-height record collected in cooperation with Washington Water Power Co.

Elevation, in feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

95.42

95.28

95.14

95.03

94.91

94.82

94.73

94.64

94.52

94.39

94.28

94.16

94.02

93.89

93.75

93.62

93.49

93.36

93.25

93.18

93.07

92.96

92.85

92.80

93.00

92.99

92.94

92.87

92.80

92.72

92.65

Nor.

92.60

92.49

92,.39

92.31

92.21

92.11

92.00

91.87

91.75

91.63

91.50

91.38

91.27

91.15

91.01

90.92

90.83

90.84

90.75

90.62

90.53

90.56

90.51

90.45

90.44

90.37

90.33

90.25

90.17

90.12

-

Dec.

90.05

90.02

89.97

89.93

89.87

89.78

39.71

89.69

89.62

89.62

89.59

89.60

89.62

89.60

89.60

89.51

89.40

89.33

89.24

89.17

89.12

89.05

89.00

88.93

88.88

88.83

88.77

88.68

88.61

88.54

88.46

Jan.

88.40

88.32

88.22

88.13

88.03

87.96

87.86

87.74

87.62

87.55

87.43

87.36

87.28

87.18

87.05

86.94

86.81

86.72

86.62

86.50

86.40

86.33

86.25

86.28

86.27

86.29

86.22

86.17

86.09

86.05

85.94

Feb.

85.91

85.95

85.87

85.79

85.73

85.65

85.59

85.51

85.45

85.40

85.38

85.34

85.30

85.25

85.21

85.18

85.13

85.09

85.05

84.99

84.94

84.90

84.87

84.84

84.79

84.73

84.68

84.6ft

-

_

-

Mar.

84.58

84.54

84.47

84.41

84.35

84.29

84.25

84.20

84.17

84.16

84.12

84.04

83.99

83.94

83.91

83.90

83.90

83.92

83.94

83.99

84.08

84.14

84.19

84.25

84.28

84.29

84.29

84.28

84.30

84.36

84.40

Apr.

84.45

84.53

84.60

84.66

84.71

84.77

84.80

84.85

84.92

85.00

85.01

85.02

85.08

85.18

85.31

85.52

85.74

85.95

86.17

86.34

86.49

86.60

86.69

86.76

86.84

86.93

87.12

87.35

87.60

87.78

May

87.95

88.13

88.39

88.63

88.90

89.19

89.59

90.10

90.60

90.92

91.20

91.50

91.78

91.96

92.15

92.32

92.47

92.57

92.67

92.78

92.92

93.14

93.36

93.62

93.98

94.42

94.89

95.37

95.78

96.13

96.47

June

96.74

96.98

97.21

97.43

97.60

97.78

97.98

98.29

98.63

98.89

99.03

99.14

99.31

99.40

99.44

99.53

99.62

99.60

99.46

99.26

99.02

98.92

98.93

99.09

99.26

99.38

99.46

99.52

99.53

99.57

July

99.61

99.70

99.75

99.78

99.80

99.88

99.90

99.83

99.84

99.88

99.89

99.90

99.93

99.94

99T85

99.88

99.89

99.96

100.01

100.02

100.01

100.01

99.99

99.94

99.91

99.90

99.85

99 .-84

99. SO

99.79

99.78

Aug.

99.73

99.71

99.71

99.71

99.68

99.58

99.54

99.50

99.42

99.37

99.26

99.13

99.03

99.00

98.98

98.89

98.79

98.72

98.61

98.49

98.41

98.31

98.20

98.10

98.00

97.91

97.82

97.74

97.66

97.60

97.50

Sept.

97.45

97.43

97.37

97.26

97.16

97.03

96.94

96.63

96.83

96.72

96.61

96.54

96.43

96.29

96.21

96.10

95.96

95.84

95.74

95.64

95.53

95.44

95.36

95.25

95.17

95.09

95.08

94.95

94.90

94.82

-

Hote.- Add 1,000 feet to obtain elevation above mean sea level.

Monthly elevation and contents, water year October 1946 to September 19''7

Month

Calendar year 1946...

May 31 ................

Sept. 30... .............

Water year 1946-47...

Elevation 

(feet)t

-

I,094i72

-

Contents 

(acre-feet)

-

503,420

-

Change in contends 

during month 

(acre-feet)

-27,700

-88,080

-21,520

t Elevations are 12 p.m. means based on records for stations at Stehekln 

and at Chelan.

803681 O - 50 - 20
296 CHELAN RIVER BASIN

Chelan River at Chelan, Wash.

Location.- Water-stage recorder, lat. 47°50'05", long. 120°00'40", in SE^ sec. 12, T. 27 

N., K. 22 E., in forebay upstream from control dam at Chelan. Datum of gage is at mean 

sea level, subject to correction to datum of 1929.

Drainage area. - 950 square miles.

Records available.- October 1903 to September 1947.

Average discharge.- 44 years, 1,982 second-feet (adjusted).

Extremes.- Maximum daily discharge during year, 7,680 second-feet (reguls-ted) June 19; 

minimum daily, 622 second-feet (regulated) Apr. 13.

1903-47: Maximum daily discharge, 12,800 second-feet (regulated) June 3, 1936; no 

flow part of day Jan. 30, 1917, when lake outlet was blocked with ice, and at other 

times owing to artificial regulation.

Remarks.- Unmeasured water that is diverted for irrigation above station is small percentage of total runoff. Washington Water Power Co. diverts water at Chelan for power 

and irrigation, which quantity is included in records of daily discharge. Flow regulated by Lake Chelan (see preceding page).

Cooperation.- Records of water used for power and irrigation furnished by Washington 

Water Power Co.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

Z.200 

2,190 

2,190 

2,150 

2,120

1,730 

1,680 

2,210 

1,990 

2,100

2,000 

2,190 

2,210 

2,190

2,210

2,190 

2,200 

2,190 

2,180 

2,200

2,190 

2,130 

2,060 

1,800 

1,650

1,630 

1,690 

1,780 

1,840 

1,880 

1,770

Nov.

1,830 

1,920 

2,090 

2,200 

2,180

2,210 

2,190 

2,210 

2,190 

2,210

2,210 

2,200 

2,200 

2,200 

2,190

2,210 

2,170 

1,760 

2,030 

1,920

1,930 

1,580 

1,280 

1,040 

1,540

1,480 

1,510 

1,220 

1,490 

1,550

Month

Octo 

Move 

Dece

Cal

Janu 

Febr 

Marc 

Apri 

May.

June 

July 

Augu 

Sept

Wat

endar year 1946

amber. ..........

sr year 1946-47

Dec.

1,230 

1,530 

1,540 

1,370 

1.5OO

1,360 

1,340 

1,050 

1,530 

1.47C

1,450 

1,580 

1,600 

1,470 

1,320

1,540 

1,660 

1,680 

1,590 

1,500

1,540 

1,360 

1,540 

1,490 

1,020

1,300 

1,470 

1,640 

1,490 

1,620 

1,630

Jan.

1,360 

1,600 

1,680 

1,700 

1,680

1,780 

1,810 

2,180

2,060 

2,000

2,030 

1,450 

1,680 

1,780 

2,170

2,170 

2,180 

2,180 

2,010 

1,770

2,000 

1,660 

1,770 

1,550 

1,550

1,340 

1,550 

1,620 

1,630 

1,630 

1,700

Feb.

1,610 

1,270 

1,550 

1,610 

1,640

1,640 

1,640 

1,620 

1,320 

1,530

1,540 

1,530 

1,570 

1,520 

1,470

958 

1,480 

1,460 

1,450 

1,480

1,530 

1,580 

1,330 

1,610 

1,740

1,700 

1,830 

1,780

Mar.

1,800 

1,470 

1,630 

1,670 

1,710

1,680 

1,720 

1,670 

1,500 

1,590

1,680 

1,670 

1,660 

1,580 

1,710

1,390 

1,630 

1,780 

1,790 

1,760

1,780 

1,760 

1,580 

1,670 

1,800

1,780 

1,750 

1,750 

1,700 

1,410 

1,600

Observed

Discharge in 

second-feet

Maximum

2,210 

2,210 

1,680

7,220

2,180 

1,830 

1,800 

1,950 

2,190 

7,680 

4,060 

2,240 

2,210

7,680

Minimum

1,630 

1,040 

1,020

712

1,340 

958 

1,390 

622 

1,450 

1,650 

2,220 

2,200 

1,620

622

Mean

2,024 

1,898 

1,465

2,164

1,783 

1,535 

1,667 

1,182 

1,961 

3,018 

2,468 

2,220 

2,065

1,943

Runoff 

in 

acre-feet

124,400 

112,900 

90,070

1,566,000

109,600 

85,270 

102,500 

70,320 

120,600 

179,600 

151,700 

136,500 

122,900

1,406,000

Apr.

993 

910 

949 

923 

984

892 

866 

927 

881 

858

1,140 

904 

622 

801 

830

866 

818 

854 

886 

1,230

1,540 

1,760 

1,920 

,950 

,900

,790 

,210 

,700 

,770 

1,780

May

1,780 

1,760 

1.8OO 

1,450 

1,640

1,890 

1,910 

1,910 

1,920 

1,840

1,560 

1,690 

1,870 

1,850 

2,120

2,130 

2,120 

2,060 

1,970 

2,130

2,080 

2,040 

2,110 

2,080 

2,170

2,040 

2,150 

2,180 

2,170 

2,190 

2,180

contents 

In 

Lake Chelan 

(acre-feet)

-90,550 

-81,970 

-53,150

-27,700

-80,720 

-41,520 

-7,000 

+109,300 

+283,400 

+97,630 

+5,240 

-74,120 

-88,080

-21,520

June

2,190 

2,050 

2,180 

2,180 

2,190

2,180 

2,190 

1,910 

1,650 

1,770

1,810 

2,140 

2,400 

2.8OO 

2,650

2.6OO 

5,190 

7,310 

7,680 

7,410

5,580 

4,250 

2,500 

2,240 

2,240

2,240 

2,240 

2,260 

2,260 

2,250

JulV

2,270 

2,280 

2,270 

2,280 

2,280

2,360 

3,430 

3,030 

2,280

2,260

2,270 

2,260 

2,280 

4,06O 

3,650

2,260 

2,250 

2,280 

2,250 

2,260

3,600 

2,240 

2,240 

2,230 

2,240

2,230 

2,240 

2,220 

2,240 

2,230 

2,230

Aug.

2,240 

2,240 

2,230 

2,230 

2,230

2,230 

2,200 

2,220 

2,220 

2,240

2,230 

2 t 200 

2,220 

2,230 

2,220

2,220 

2,230 

2,220 

2,220 

2,210

2,210 

2,210 

2,210 

2, "2 20 

2,210

2,220 

2,210 

2,210 

2,210 

2,210 

2,210

Sept.

1,690 

1,620 

2,210 

2,140 

2,200

2,120 

2,190 

2,210 

2,020 

2,210

2,200 

2,200 

2,200 

2,210 

2,210

2,210 

2,200 

2.O6O 

2,210 

2,210

1,820 

2,020 

2,090 

2,110 

1,970

2,050 

1,880 

1,690 

1,750 

2,060

Adjusted for change In 

reservoir contents

Runoff 

in 

acre-feet

33,850 

30,930 

36,920

1,539,000

28,880 

43,750 

95,500 

179,600 

404,000 

277,200 

156,900 

62,380 

34,820

1,385,000

Discharge in 

second-feet

IT'an

551 

520 

600

2,125

470 

788 

1,553 

3,018 

6,570 

4,659 

2,552 

1,015 

585

1,913

Per 

square 

mile

0.580 

.547 

.632

2.24

.495 

.829 

1.63 

3.18 

6.92 

4.90 

2.69 

1.07 

.616

2.01

Runoff

inches

0.67 

.61 

.73

30.37

.57 

.86 

1.88 

3.54 

7.97 

5.47 

3.10 

1.23 

.69

27.32

Note.- Discharges are combined flow of power conduit, Irrigation diversion belov dam,and waste 

water. Change In contents based on 12 p.m. mean gage heights from stations at Purple Point and at 

Chelan.
CHELAN RIVER BASIN 297

Railroad Creek at Lucerne, Wash.

Location.- Water-stage recorder, lat. 48°11'40", long. 120°35 T 50", in sec. S, T. 31 N., 

FT18 E., naif a mile upstream from mouth and half a mile southwest of Lucerne.

Drainage area.- 64 square miles.

Records available.- December 1910 to June 1913, January 1927 to September 1947.

Average discharge.- 21 years (1911-12, 1927-47), 185 second-feet.

Extremes.- Maximum discharge during year, 1,200 second-feet May 8 (gage height, 4.51 

t'eet); minimum not determined, probably occurred sometime during period of ice effect 

Jan. 14-18.

1910-13, 1927-47: Maximum discharge, 1,910 second-feet June 8, 1927 (gage height, 

5.3 feet); minimum, less than 9.4 second-feet sometime during period of ice effect 

Jan. 15-25, 1930.

Remarks.- Records good except those for periods of ice effect, which are fair. No diversion or regulation.

Cooperation.- Gage-height record collected in cooperation with and several discharge 

measurements furnished by Washington Water Power Co.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

54

52

52

50

50

50

50

50

48

48

50

48

50

48

44

44

44

42

44

50

50

50

48

100

527

246

162

123

106

97

94

Nov.

88

82

77

74

72

69

67

62

62

62

58

58

50

58

60

54 52

60

67

62

60

60

61

62

62

62

56

54

54

52

-

Dec.

50

50

50

50

52

50

50

48

46

54

103

77

67

67

62

52

50

55

54

52

52

50

48

46

44

46

44

43

43

46

50

Jan,

45

40

35

33

33

38

38

38

38

38

38

36

36

32

30

28

28

30

34

34

34

40

52

82

72

65

62

58

50 *48

48

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March ....................... .

April .........................

May

June ..........................

July ..........................

August ........................

Septenber .....................

Water year 1946-47 ..........

Feb.

48

40

50

52

48

45

44

42

42

41

40

42

46

50

48

46

46

46

46

46

46

48

56

60

60

60

58

58

_

-

-

Secondf cot-days

2 571

1 ,877

1,651

389

1,313

1,354

3,243

7,725

20,704

15,629

9,628

4,649

2,527

72,871

Mar.

56

56

56

54

52

52

52

52

54

54

52

52

54

58

62

74

94

120

146

146

194

207

194

182

166

154

142

138

138

162

170

Maximum

527

ftft

103

1,120

82

60

207

445

1,070

700

387

233

123

1,070

Apr.

174

174

166

158

154

150

146

142

142

142

134

138

162

233

299

319'

334

345

357

334

314

294

289

289

309

339

399

445

445

399

-

May

387

466

527

511

511

588

859

1,070

882

720

615

597

597

535

487

480

438

424

431

473

561

606

642

760

894

978

1,070

1,060

894

837

804

Minimum

42

50

43

27

28

40

52

134

387

324

207

100

58

28

June

700

700

690

615

552

543

588

670

700

561

473

466

487

473

431

495

660

660

519

438

405

411

452

495

552

459

417

369

324

324

-

Mean

62 . 9

62 . 6

53.3

212

42.4

48.4

105

258

668

521

311

150

84.2

200

July

345

387

369

369

375

387

375

351

314

319

324

324

319

334

375

339

314

329

357

334

309

289

274

260

233

224

215

233

233

211

207

Per 

square 

Bile

1.30

. 978

.833

3.31

.662

.756

1.64

4.03

10.4

8.14

4.86

2.34

1.32

3.12

Aug.

215

228

233

233

220

199

186

182

166

154

146

134

138

150

158

158

146

138

130

123

116

106

103

100

100

100

100

106

113

134

134

Sept.

123

120

113

113

113

100

94

91

88

85

85

79

79

77

72

72

77

69

62

60

58

62

69

74

79

79

85

85

82

82

~

Runoff

Inches Acre-feet

1.49 5,100

1.09 3,720

. 96 3, 270

44.96 153,500

.76 2,600

.79 2,690

1.88 6,430

4.49 15,320

12.03 41,070

9.08 31,000

5.59 19,100

2.70 9,220

1.47 5,010

42.33 144,500

* Winter discharge measurement made on this day.

Note.- Stage-discharge relation affected by ice Nov. 22-24, Dec. 17-20, Dec. 28 to Jan 

14-18, Jan. 31 to Feb. 6, Feb. 9, 10.

9, Jan.
298 PINE CANTON CREEK BASIN

Pine Canyon Creek near Watervllle, Wash.

Location.- Water-stage recorder, lat. 47°40'10", long. 120°06'50", In SW&SW£ sec. B, T. 25 

N., R. 22 E. , Z\ miles northwest of Waterville and 7 miles upstream f.^om mouth.

Records available.- May 1945 to October 1947 (discontinued).

iixtremes.- Maximum discharge during period October 1946 to September 1947, 265 second-feet 

Fee. 22 (gage height, 4.10 feet); minimum, 0.03 second-foot June 14 (gage height, 0.42 

foot).

1945-47: Maximum discharge, that of Feb. 22, 1947; minimum, that of June 14, 1947.

Remarks.- Records poor. No known diversion or regulation.

Rating table, October 1946 to October 1947 (gage height, in feet, 

and discharge, in second-feet)

0.09 

.29 

.76

1.6

1.0 

1.2 

1.4 

1.6

4.8

9.0

14.3

21

1.8 

2.0 

2.3 

2.6

Discharge, in second-feet, 1946-47 

1646-47

Day

1

2

3

4

5

6

7

e

9

10

11

12

13

14

15

16

17

16

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

0.10

.10

.10

.11

.11

.11

.11

.11

.11

.11

.11

.11

.11

.11

.11

.12

.12

.12

.'12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

Nov.

0.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

Dec.

0.12

.12

.12

.12

.12

.12

.12

.12

.12

.15

.15

.15

.15

.15

.15

.13

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.i2

.12

.12

Jan.

0.12

.12

.12

.12

.12

.13

.13

.13

.13

.13

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

.13

.13

.13

.13

.13 .-'S

Feb.

0.13

.13

.13

.13

.13

.13

.13

.13

.13

.13

.13

.13

.13

.13

.19

1.1

5.5

6.2

5.0

7.9

36

86

82

26

14

6.4

2.7

1.7

_

_

-

Mar.

1.6

2.6

3.7

6

6

4

1.5

5

35

35

25

15

5

2.7

1.1

.71

.61

.46

.41

.37

.37

.37

.33

.32

.37

.25

.25

.29

.33

.37

,33

Apr.

0.29

.29

.29

.29

.29

.29

.29

.37

.37

.33

.33

.33

.29

.29

.29

.25

.25

.22

.22

.22

.22

.19

.19

.17

.17

.17

.17

.17

.29

.24

-

May

0.19

.IS

.19

.19

.19

.19

.17

.17

.17

.17

.17

.17

.15

.15

.15

.15

.15

.15

.13

.13

.13

.12

.12

.12

.12

.12

.12

.12

.12

.12

.12

June

0.12

.13

.15

.13

.13

.13

.15

.IS

.15

.13

.13

.12

.12

.12

.12

.13

.12

.12

.12

.12

.11

.11

.11

.10

.10

.12

.12

.12

.12

.11

-

July

C.ll

.11

.11

.11

.11

.11

.12

.12

.12

.12

.12

.11

.11

.11

.10

.10

.10

.10

.10

.10

.10

.10

.10

.10

.11

.11

.11

.12

.11

.10

.11

Aug.

0.11

.11

.11

.11

.11

.11

.11

.11

.11

.11

.11

.11

.11

.11

.11

.11

.12

.12

.12

.12

.12

.13

.13

.13

.13

.13

.13

.13

.15

.15

.15

Sept.

0.15

.17

.17

.15

.12

.12

.13

.13

.13

.13

.13

.13

.13

.13

.13

.15

.13

.13

.13

.13

.15

.13

.13

.13

.15

.13

.13

.13

.13

.13

-

Note.- Ho gage-height record Nov. 12 to Dec. 7, Mar. 

basis of recorded range in stage and weather records.

1947

4-13; discharge interpolated or computed on

Day

Oct. 1 

2 

3 

4 

5 

6

Discharge

0.15 

.15 

.15 

.15 

.15 

.15

Day

Oct. 7

8 

9 

10 

11 

12

Discharge

0.15 

.15 

.17 

.17 

.17 

.17

Day

Dot. 13

14 

15 

16 

17 

18

Discharge

0 17 

17 

17 

19 

19 

19

Day

Oct. IS 20 

21 

22 

23 

24

Discharge

0. IS 

.22

.19 

.19 

.19 

.!&

Day

Oct. 25 26 

27 

28 

29 

30 

31

Discharge

0.1S 

.19 

.IS 

.IS 

a. 19 

a. 19 

a. IS

a Ho gage-height record; discharge extrapolated.

Monthly discharge, In second-feet, 1946-47

Month

April ... . . . . ..............

May. ..........................................

Water year 1946-47 .......................

October 1947. ...............................

Secondfoot-days

3.54

3.60

3.91

4.65

3 72

4.06

480.05

5.46

Maximum

0.12

.12

.15

.19

.17

86

.22

Minimum

0.10

.12

.12

.12

.10

.11

.12

.10

.15

Mean

0.114

.120

.126

10.1

5.01

.150

.108

.120

.135

1.32

.176

Runoff in 

acre-feet

7.0

7.1

7.8

308

9.2

6.7

7.4

8.1

951

11
WENATCHEE RIVER BASIN 

Wenatchee Lake near Plain, Wash.

299

Location.- Water-stage recorder, lat. 47°49'50", long. 120°46'30", In sec. 19, T. 27 N., 

RTT7~E., on north shore, 2^ miles upstream from outlet, 7^ miles northwest of Plain, 

and 33 miles upstream from Leavenworth. Datum of gage is 1,860.00 feet a^ove mean sea 

level, sublect to correction to datum of 1929; gage readings have been reluced to elevations above mean sea level.

Drainage area.- 277 square miles.

Records available.- January 1932 to September 1947.

Extremes.- Maximum elevation during year, 1,875.09 feet probably May 28, from recorded 

range in stage; minimum, 1,869.46 feet Octt. 18, 19.

1932-47: Maximum elevation recorded, 1,876.57 feet June 16, 1933; minimum, 1,869.27 

feet Dec. 1, 1936.

Remarks.- Records excellent. No diversion or regulation.

Gage height, in feet, water year October 1946 to September 1947

Day

1

2

3

4

S

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Dot.

69.60

69.58

69.55

69.55

69.56

69.57

69.59

69.58

69.56

69.55

69.53

69.52

69.50

69.48

69.48

69.49

69.49

69.47

69.47

69.52

69.63

69.72

69.80

69.90

71.19

71.58

71.12

70.76

70.52

70.35

70.28

HOT.

70.23

70.16

7O.09

70.04

70.01

69.99

69.96

69.93

69.91

69.89

69.87

69.85

69.82

69.80

69.80

69.79

69.83

69.90

69.85

69.84

69.82

69.85

69.82

69.81

S3. 85

69.89

69.91

69.92

69.94

"9.92

-

Dec.

69.91

69.91

69.90

69.91

69.96

69.99

70.01

70.02

70.04

70.16

70.86

71.44

71.50

71.88

71.92

71.58

71.26

71.06

70.86

70.74

70.66

70.60

70.54

70.46

70.41

70.36

70.33

70.29

70.21

70.16

70.14

Jan.

70.16

70.14

70.06

69.99

70.00

70.03

70.04

70.02

70.02

70.04

70.03

70.02

69.99

69.96

69.90

69.90

69.91

69.92

69.93

69.90

69.90

69.95

70.23

70.93

71.43

71.46

71.33

71.14

71.00

70.88

70.77

Fab.

70.70

70.66

70.61

70.56

70.52

70.52

70.50

70.46

70.42

70.35

70.33

70.33

70.33

70.61

70.68

70.74

70.73

70.71

70.68

70.64

70.63

70.62

70.63

70.64

70.68

70.68

70.66

70.64

_

-

Mar.

70.60

70.58

70.55

70.53

70.51

70.48

70.45

70.43

70.42

70.42

70.39

70.38

70.37

70.38

'70.42

70.54

70.72

71.00

71.29

71.54

71.73

71.91

71.88

71.77

71.61

71.46

71.33

71.22

71.16

71.26

71.36

Apr.

71.39

71.41

71.27

71.31

71.23

71.13

71.05

71.00

70.98

70.99

70.99

70.97

71.04

71.34

71.84

72.17

72.37

72.50

72.63

72.68

72.54

72.33

72.18

72.08

72. -08

72.19

72.54

73.04

73.21

73.10

Hay

72.87

73.00

73.34

73.33

73.30

73.47

74.00

74.77

74.73

74.19

73.62

73.35

73.24

73.01

72.81

72.68

72.60

72.42

72.37

7E.58

72.91

73.22

73.30

73.54

73.95

f74.30

_

_

_

_

-

June

.

_

_

_

-

f72.87

C72.93

_

_

-

_

[72.50

72.45

72.39

72.24

72.25

72.71

72.80

72.55

72.24

71.98

71.90

72.06

72.31

72.52

72.46

72.50

72.23

71.86

71.67

-

July

71.63

71.76

71.79

71.71

71.67

71.75

71.71

71.62

71.51

71.44

71.40

71.41

71.40

71.41

71.50

71.51

71.42

71.36

71.39

71.31

71.20

71.10

-'1.01

70.90

70.80

70.71

70.67

70.70

70.79

70.70

70.64

Aug.

70.63

70.66

70.65

70.62

70.59

70.51

70.44

70.38

70.32

70.26

70.22

70.19

70.18

70.17

70.17

70.17

70.15

70.13

70.10

70.03

69.99

69.96

69.95

69.94

69.94

69.94

69.93

69.92

69.94

69.98

70.01

Sept.

70.01

70.00

f69.93

f69.91

69.90

69.89

69.90

69.93

69.99

69.96

69.90

69.84

69.82

69.77

69.76

69.77

69.75

69.72

69.66

69.66

69.67

69. 6S

69.71

69.73

69.74

69.76

69.77

39.77

S9.76

-

f Fragmentary gage-height record.

Note.- Add 1,800 feet to obtain elevation above mean sea level.
WENATCHEE RIVER BASIN

Wenatchee River below Wenatchee Lake, Wash.

Location.- Water-stage recorder, lat. 47°49'50", long. 120°46'30", In sec. 19, T. 27 N., 

RTT7~E., on north shore of Wenatchee Lake, 2? miles uostream from outlet, 7-f miles 

northwest of Plain, and 33 miles upstream from Leavenworth. Datura of gage Is 1,860.00 

feet above mean sea level, subject to correction to datum of 1929; gage readings have 

been reduced to elevations above mean sea level. Discharge measuremerts made lust 

below highway bridge half a mile downstream from lake outlet.

Drainage area.- 277 square miles.

Records available.- January 1932 to September 1942, October 1946 to Seotember 1947.

Average discharge.- 11 years, 1,234 second-feet.

Extremes.- Maximum discharge during year, 6,120 second-feet probably May 28 (elevation 

of lake surface, 1,875.09 feet, from recorded range in stage); minimuri, 169 secondfeet Oct. 18, 19 (elevation of lake surface, 1,869.46 feet).

1932-42, 1946-47: Maximum discharge recorded, 8,310 second-feet June 16, 1933 

(elevation of lake surface, 1,876.57 feet); minimum discharge, 134 second-feet Dec. 1, 

1936 (elevation of lake surface, 1,869.27 feet).

Remarks.- Records good except those for periods of no gage-height record, which are fair. 

Natural regulation in lake. No diversion.

Rating table, water year 1946-47 (elevation, In feet, 

and discharge, In second-feet)

1,869.4

1,869.3

1,859.9

1,870.2

152

215

350

538

1,870.6

1,871.0

1,871.5

1,872.0

856

1,240

1,760

2,310

1,872.5

1,873.0

1,874.0

1,875.0

2,870

3,470

4,690

5,990

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

215

208

198

198

201

205

212

208

201

198

191

188

181

175

175

178

178

172

172

188

227

263

299

350

1,440

1,870

1,340

l.OOO

786

648

596

Nov.

560

511

464

432

413

401

384

367

356

345

335

324

314

299

299

294

314

350

324

319

309

324

309

304

324

345

356

361

373

361

-

Dec.

356

356

350

356

384

401

413

420

432

511

1,100

1,700

1,760

2,200

2,200

1,870

1,490

1,300

1,100

985

911

856

804

736

695

656

633

603

545

511

497

Jan.

511

497

445

401

407

426

432

420

420

432

426

420

401

384

350

350

356

361

367

350

350

378

560

1,170

1,700

1,700

1,600

1,390

1,240

1,120

1,010

Month

October ..... .................

November ......................

December ......................

Calendar year .........

January .......................

February . ....................

March ............... .........

April .........................

May ...........................

June ...... ............. .....

July ..........................

August ........................

September ....... ...........

Water year 1946-47 ..........

Feb.

947

911

865

821

786

786

769

736

703

648

633

633

672

865

929

985

976

956

929

892

883

874

883

892

929

929

911

392

_

-

-

Secondfoot-days

12,661

10,771

27,131

-

20,374

23,635

37,009

65,200

127,170

89,140

47,762

17,036

9,370

487,259

Mar.

856

839

812

795

778

753

728

712

703

703

679

672

664

672

703

804

966

1,240

1,540

1,820

2,040

2,200

2,200

2,040

1,870

1,700

1,600

1,440

1,390

1,490

1,600

Maximum

1,870

560

2.2OO

-

1,700

985

2,200

3,710

5,900

4,000

2,090

911

413

5,900

Apr.

1,650

1,650

1,600

1,540

1,490

1,390

1,290

1,240

1,220

1,230

1,230

1,210

1,280

1,600

2,140

2,480

2,700

2,870

3,050

3,110

2,930

2, 700

2,530

2,420

2,420

2,530

2,930

3,470

3,710

3,590

-

May

3,350

3,470

3,830

3,830

3,830

4,070

4,690

5,730

5,600

4,950

4,190

3,950

3,710

3,470

3,230

3,110

2,990

2,750

2,700

2,990

3,350

3,710

3,830

4,070

4,690

5,080

a5,400

a5,900

a5,400

a4,8OO

a4,500

Minimum

172

294

350

-

350

633

664

1,210

2,700

1,920

892

361

238

172

June

a4 , 000

a3,80O

a3,6OO

a3,500

a3,400

f3,350

f3,350

a3,600

a3,800

a3,500

a3,100

2,870

2,810

2,750

2,580

2,580

3,110

3,230

2,930

2,580

2,310

2,200

2,360

2,640

2,870

2,810

2,870

2,580

2,140

1,920

-

Mean

408

359

875

-

657

844

1,194

2,173

4,102

2,971

1,541

550

312

1,335

July

1,930

2,0

2,0

1,9

10

90

80

1,920

2,040

1,9

1,8

1,7

30

70

60

1,700

1,650

1,6

1,6

1,6

50

50

50

1,760

1,760

1,6

1,6

1,6

50

00

50

1,540

1,440

1,3

1,2

1,1

to

50

10

1,040

956

9

9

1,0

9'

>0

17

50

17

892

Per

square 

mile

1.47

1.30

3.16

Aug.

883

911

902

874

847

778

720

672

625

581

552

531

524

518

518

518

504

49O

470

426

401

384

378

373

373

373

367

361

373

396

413

Sept.

413

407

367

a36O

356

350

345

350

367

401

384

350

Sl9

309

286

281

286

276

263

238

233

242

250

258

268

272

281

286

286

281

Runoff

Inches

1.70

1.45

3.64

-

2.37

3.05

4.31

7.84

14.8

10.7

5.56

1.99

1.13

4.82

2.74

3.17

4.97

8.75

17.07

11.97

6.41

2.29

1.26

65.42

Acre-feet

25,110

21,360

53,810

-

40,410

46,880

73,410

129,300

252,200

176,800

94,730

33,790

18,590

966,400

a No gage-height record; discharge computed on basis of recorded range In stage and records for 

tatlon at Plain. 

f Computed on basis of partly estimated gage-height record.
WENATCHEE RIVER BASIN 

Wenatchee River at Plain, Wash.

Location.- Water-stage recorder, lat. 47°45'50", long. 120°39'30", in lot 8, sec. 12, T. 

2fc> N., R. 17 E., at Plain, a quarter of a mile downstream from Beaver Creek, 1\ miles 

downstream from Nason Creek, and 12 miles north of Leavenworth. Datum of gage is 

1,805 feet above mean sea level (from river-profile map).

Drainage area.- 591 square miles.

Records available.- November 1910 to September 1947 in reports of Geological Survey. 

August 19U4 to September 1933 (monthly discharge) in State Water-Supply Bulletin 5.

Average discharge.- 43 years (1904-47), 2,136 second-feet.

Extremes.- Maximum discharge during year, 10,400 second-feet May 8 (gage height, 8.40 

reet); minimum, 286 second-feet Oct. 19 (gage height, 1.59 feet).

1910-29, 1931-47: Maximum discharge observed, 20,800 second-feet Dec. 13, 1921 

(gage height, 11.8 feet, site and datum-tjhen in use); minimum discharge, 191 secondfeet Dec. 1, 1936 (gage height, 1.34 feet1).

Remarks.- Records excellent except those for period of no gage-height record, which are 

fair. Wenatchee Park Land & irrigation Co. diverts a maximum of about 12 second-feet 

from Chiwawa River during irrigation seasons. Natural regulation by Wenatchee Lake.

Rating tables, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

Oct. 1-25 Oct. 26 to Sept. 3O

1.6 290 2.4 750 1.8 37O 3.3 1,510 5.5 

1.9 435 2.7 970 2.1 535 3.6 1,81O 6.0 

2.1 550 2.4 740 4.O 2,250 7.O 

Note.- Same as follow- * ' . "0 4.5 2,870 8.3 

ing-bable above 2.7 feet. 3 '° ll230 5 '° 3 ' 580

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

365 

355 

345 

345 

355

350 

360 

375 

360 

340

330 

322 

317 

299 

299

294 

294 

294 

290 

355

474 

490 

589 

622 

2,710

2,610 

1,860 

1,460 

1,180 

1,020 

906

Nov.

890 

875 

733 

684 

663

656 

649 

a650 

a640 

a630

a600 

a550 

505 

505 

493

481 

505 

499 

542 

542

505 

499 

511 

535 

554

594 

607 

642 

628 

600

Dec.

568 

568 

587 

6O7 

656

670 

677 

684 

677 

822

2,280 

2,550 

2,610 

3,360 

3,210

2,610 

2,140 

1,860 

1,660 

1,510

1,410 

1,320 

1,230 

1,140 

1,090

1,040 

1,010 

906 

852 

748 

748

Jan.

800 

726 

684 

635 

635

663 

677 

677 

67O 

677

691 

677 

656 

635 

607

554 

568 

568 

614 

594

594 

642 

981 

2,030 

2,490

2,550 

2,250 

1,980 

1,710 

1,610 

1,460

Feb.

1,410 

1,280 

1,230 

1,230 

1,230

1,180 

1,140 

1,100 

1,050 

1,010

978 

970 

1,020 

1,230 

1,460

1,460 

1,410 

1,360 

1,360 

1,320

1,320 

1,320 

1,410 

1,460 

1,460

1,460 

1,410 

1,360

u-,_ t h SecondMonth foot-days

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Hare 

Apri 

Hay 

June 

July 

Augu 

Sept

Wa

mber ......................

lendar year 194 

ary

5 ........

h .........................

1 .........................

st ........................

ember .....................

20,565 

17,967 

41,800

347,670

31,305 

35,628 

60,290 

115,040 

?25,260 

150,990 

74,060 

27,229 

15,117

ter year 1946-47 .......... 815,251

Mar.

1,320 

1,320 

1,280 

1,230 

1,230

1,180 

1,140 

1,120 

1,100 

1,090

1,090 

1,090 

1,090

1,120 

1,230

1,410 

1,710 

2,140 

2,550 

2,940

3,360 

3,580 

3,430 

3,140 

2,940

2,680 

2,490 

2,370 

2,370 

2,680 

2,870

Maximum

Z,71f 

89C 

3,36C

11.40C

2.55C 

1,46C 

3.58C 

6,590 

10,200 

7,200 

3,280 

1,410 

663

10,200

Apr.

2,870 

2,870 

2,740 

2,680 

2,490

2,370 

2,250 

2,000 

2,200 

2,25Q

2,200 

2,200 

2,370 

2,940 

3,890

4,380 

4,890 

5,070 

5,250 

5,250

4,890 

4,550 

4,380 

4,210 

4,300

4,550 

5,430 

6,390 

6,590 

6,390

May

5,810 

6,390 

6,990 

6,790 

6,790

7,200 

8,270 

10,200 

9,900 

8,490

7,410 

6,990 

6,790 

6,190 

5,810

5,620 

5,250 

4,890 

4,890 

5/430

6,000 

6,590 

S.79O 

7,200 

8,050

8,720 

9,420 

10,200 

9,420 

8,720 

8,050

Minimum

290 

481 

568

290

554 

970 

1,090 

2,200 

4,890 

3,000 

1,410 

574 

400

290

June

7,200 

6,790 

6,590 

6,390 

5,810

5,620 

5,810 

6,190 

6,590 

6,000

5,250 

4,89O 

4,890 

4,550 

4,380

4,380 

5,250 

5,430 

4,890 

4,210

3,730 

3,730 

3,970 

4,380 

4,720

4,550 

4,550 

3,970 

3,280 

3,000

Mean

663 

599 

1,348

2,322

1,010 

1,272 

1,945 

3,835 

7,266 

5,033 

2,389 

878 

504

2,234

4,380 

5,250 

7,200 

10,200

1947

July

3,000 

3,280 

3,210 

3,070 

3,070

3,210 

3,140 

2,870 

2,680 

2,610

2,550 

2,550 

2,490 

2,550 

2,800

2,610 

2,550 

2,430 

2,490 

2,370

2,200 

2,030 

1,920 

1,760 

1,610

1,510 

1,460 

1,560 

1,610 

1,460 

1,410

Per 

square 

mile

1.12 

1.01 

2.28

3.93

1.71 

2.15 

3.29 

6.49 

12.3 

8.52 

4.04 

1.49 

.853

3.78

Aug.

1,410 

1,410 

1,410 

1,410 

1,320

1,230 

1,140 

1,090 

1,030 

954

890 

845 

838 

845 

852

830 

800 

762 

733 

691

663 

628 

614 

607 

594

587 

580 

574 

594 

628 

670

Sept.

642 

621 

594 

561 

548

529 

542 

568 

594 

663

594 

561 

517 

487 

475

464 

499 

475 

448 

420

400 

405 

415 

426 

436

448 

442 

453 

448 

442

Runoff

Inches

1.29 

1.13 

2.63

53.34

1.97 

2.24 

3.79 

7.24 

14.17 

9.50 

4.66 

1.71 

.95

51.28

Acre-feet

40,790 

35,640 

82,910

1,681,000

62,090 

70,670 

119,600 

228,200 

446,800 

299,500 

146,900 

54,010 

29,980

1,617,000

a No gage-height record; discharge computed on basis of records for nearby stations.
302 WENATCHEE RIVER BASIN

Wenatchee River at Peshastin, Wash.

Location.- Water-stage recorder, lat. 47° 34' 50'', long. 120° 37 '00", in SE^SWT sec. 8, T. 

24 N . , R. 18 E., 1 mile northwest of Peshastin and 3-| miles upstream from Peshastin 

Creek. Datum of gage is 1,028.04 feet above mean sea level, datum of 1929.

Drainage area.- 1,000 square miles.

Records available.- October 1928 to September 1947 (monthly discharge only October 1928 

to February iyk!9) .

Average discharge . - 19 years, 2,712 second-feet.

Extremes. - Maximum discharge during year, 14,500 second-feet May 28 (gage height, 10.33 

reet); minimum, 356 second-feet (regulated) Oct. 17 (gage height, 1.67 feet); minimum 

daily, 425 second-feet (regulated) Oct. 17, 19.

1929-47: Maximum discharge, 20,400 second-feet June 16, 1933 (gage height, 11.82 

feet); minimum, 183 second-feet Oct. 14, 1939 (gage height, 1.26 feet).

Remarks . - Records excellent except those for periods of ice effect, which are fair. Severai diversions above station for irrigation. Some regulation by milloond at Leavenworth and by power olant in Tumwater Canyon.

Rating table, water year 1946-47, except period of Ice effect 

(gage height, in feet, and discharge, In second-feet)

1.8 

2.0 

2.3

420

525

705

910

1.240

3.5 

4.0

5.0 

6.0

1,740 

2,3OO 

2,920 

3,600 

5,180

7.0 

8.0 

9.0 

10.2

7,000

9,040

11,300

14,300

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

Z 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

492 

486 

486 

481 

503

508 

514 

525 

525 

498

465 

470 

440 

430 

435

430 

425 

440 

425 

470

692 

712 

784 

' 819 

3,270

3,890 

2,720 

2,070 

1,680 

1,480 

1,280

Nov.

1,280 

1,150 

1,070 

998 

958

934 

926 

889 

854 

847

805 

757 

731 

705 

738

692 

724 

744 

819 

*798

724 

731 

757 

764 

111

833 

854 

9O3 

882.

826

Dec.

777 

777 

777 

819 

875

910

910 

910 

903 

1,050

2,980 

3,530 

3,670 

4,670 

4,510

3,600 

2,920 

2,600 

2,300 

2,070

1,960 

1,850 

1,680 

1,580 

1,530

1,430 

1,380 

1,240 

1,240 

1,150 

1,150

Jan.

1,200 

1,120 

1,050 

990 

960

1,000 

1,020 

1,000 

1,000 

1,020

1,030 

1,020 

1,000 

980 

960

900 

920 

920 

950 

940

940 

*990 

1,240 

2,680

3,320

3,460 

3,120 

2,720 

2,420 

2,240 

2,070

Feb.

1,900 

1,900

1,900 

1,850 

1,740

1,680 

1,630 

1,530 

1,480 

1,430

1,380 

1,380 

1,380 

1,630 

1,960

2,020 

1,960 

1,960 

1,900 

1,850

1,850 

1,900 

2 , 070 

2 , 240 

2,240

2,180 

2,070 

2,020

Month

Octo 

Hove 

Dece

Ca

Janu 

Febr 

Marc 

Apr!

June 

July 

Augu 

Sept

Wa

lendar year 1946 

ary

-

ter year 1946-47 .......................

Mar.

1,960 

1,900 

1,900 

1,850 

1,740

1,740 

1,680 

1,680 

1,630 

1,630

1,630 

1,630 

1,630 

1,740 

1,900

2,180 

2,600 

3,250 

3,890 

4,510

5,010 

5,350 

5,010 

4,670 

4,190

3,890 

3,670 

3,460 

3,390 

3,890 

4,190

Apr.

4, 190 

4,040 

3,890 

3,740 

3,530

3,320 

3, 180 

3,050 

3,050 

3,120

3,050 

2,980 

3,180 

3,890 

5,180

6,060 

6,620 

6,810 

7,000 

7,190

6,620 

6,240 

5,880 

5,700 

5,880

6,430 

7,390 

8,830 

9,040

8,410

Secondfoot-clays

28,845 

25,470 

57,748

1,175,532

45,180 

51,030 

89,390 

157,490 

314,490 

212,920 

101,200 

34,861 

21,976

1,140,600

May

7,790 

8,830 

9,700 

9,480 

9,480

10,100

12,000 

14,300 

13,500 

11,500

9,920 

9,480 

9,260 

8,620 

7,990

7,590 

7,390 

6,810 

7,000 

7,590

8,620 

9,260 

9,480

10,100 

11,500

12,500 

13,500 

14,300 

13,200 

12,200 

11,500

Maximum

3,890 

1,280 

4,670

15,600

3,460 

2,240 

5,350 

9,040 

14,300 

10,100 

4,510 

1,850 

966

14,300

June

10,100 

9,700 

9,480 

8,620 

8,200

7,990 

8,200 

8,830 

9,040 

8,620

7,390 

7,000 

6,810 

6,620 

6,240

6,240 

7,390 

7,590 

7,000

6,060

5,180 

5,180 

5,520 

6,060 

6,620

6,240 

6,620 

5,520 

4,670 

4,190

July

4,190 

4,510 

4,510 

4,190 

"4,190

4,350 

4,350 

4,040 

3,740 

3,670

3,600 

3,600 

3,460 

3,460 

3,740

3,610 

3,320 

3,250 

3,320

3,180

2,920 

2,720 

2,540 

2,360 

2,120

2,020 

1,960 

2,070 

2,240 

2,020 

1,960

Minimum

425 

692 

111

425

900

1,380 

1,630 

2,980 

6,810 

4,190 

1,960 

731 

634

425

Aug.

1,850 

1,850 

1,850 

1,850 

1,740

1,580 

1,480 

1,380 

1,330 

1,240

1,150 

1,070 

1,050 

1,030 

1,040

1,030 

998 

966 

903 

868

819 

777 

764 

738 

731

750 

770 

750 

770 

819 

918

Mean

930 

849 

1,863

3,221

1,457 

1,822 

2,884 

5,250 

10,140 

7,097 

3,265 

1,125 

733

3,125

Sept.

868 

819 

791 

750 

731

718 

724 

777 

812 

966

896 

798 

770 

698 

692

692 

791 

770 

718 

672

640 

64O 

634

640 

646

679 

672 

666 

660

646

Runoff in 

acre-feet

57,210 

50,520 

114,500

2,332,000

89,610 

101,200 

177,300 

312,400 

623,800 

422,300 

200,700 

69,150 

43,590

 3,262,000

* Winter discharge measurement made on this day. 

Note.- Stage-discharge relation affected by ice Dec. 30 to Jan. 21.
WENATCHEE RIVER BASIN 303

Chiwawa River near Plain, Wash.

Location.- Water-stage recorder, lat. 47°50"30", long. 120°39'40", in SE^ sec. 13, T. 27 

N., R. 17 E., half a mile upstream from Goose Creek, 6 miles north of Plain, 7 miles 

upstream from mouth, and 11 railej northeast of Chiwaukum. Datum of gage is 2,100 feet 

above mean sea level (from river-profile map).

Drainage area.- 169 square miles..

Records available.- August 1936 to September 1947. May 1911 to October 1914 at site 4 

miles downstream, published as Chiwawa Creek near Leavenworth.

Average discharge.- 11 years (1936-47), 421 second-feet.

Extremes.- Maximum discharge during year, 3,000 second-feet May 8 (gage heigtt, 7.50 feet); 

minimum, 85 second-feet Oct. 16-19 (gage height, 3.84 feet).

1911-14, 1936-47: Maximum discharge, 3,210 second-feet May 25, 26, 19f8 (gage 

height, 7.66 feet); minimum, 56 second-feet Oct. 24-27, 1942 (gage height, 3.73 feet), 

but may have been less during some periods of ice effect.

Remarks.- Records good except those for periods of ice effect, which are poor. No diverslon or regulation.

Rating table, water year 1946-47, except periods of Ice effect 

(gage height, In feet, and discharge, In second-feet)

3.8 75 4.8 475 6.5 1.8OO 

4.0 126 5.0 590 7.0 2,370 

4.2 190 5.3 780 7.5 3.0OO 

4.4 272 5.6 990 

4.6 370 6.0 1,320

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

99 

99 

99 

99 

99

97 

99 

104 

97 

92

92 

92 

89 

89 

87

85 

85 

85 

85 

115

129 

135 

147 

135 

653

360 

246 

206 

190 

170 

159

Nov.

156 

147 

138 

132 

129

126 

123 

118 

115 

115

110 

104 

*112 

125 

102

94 

98 

100 

132 

135

115 

110 

115 

120 

125

130 

135 

140 

132 

115

Dec.

99

94 

97 

107 

123

121 

115 

112 

110 

135

259 

229 

229 

282 

242

220 

200 

185 

170 

160

150 

138 

132 

136 

120

130 

110 

105 

103 

100 

100

Jan.

130 

125 

120 

115 

115

125 

135 

135 

130

135

140 

136 

132 

128 

124

120 

125 

*128 

130 

130

130 

200 

300 

400 

550

600 

500 

400 

350 

300 

275

Feb.

250 

225 

200 

190 

180

170 

160 

150 

140 

130

125 

ISO 

14O 

160 

180

175 

170 

165 

165 

160

160 

160 

170 

183 

183

180 

176 

173

Month Secondfoot-days

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

ffa

mber ......................

4,418 

3,648 

4,603

lendar year 1946 ......... 195,514

ary

h .........................

I

ember .....................

6,563 

4,740 

9,500 

26,568 

31,120 

57,313 

18,394 

7,209 

3,978

ter year 1946-47 .......... 188,054

Mar.

170 

166 

166 

163 

159

156 

153 

150 

150 

150

150 

150 

150 

159 

187

221 

282 

355 

410 

464

530 

566 

530

497 

475

442 

431 

426 

436 

508 

548

Maximum

653 

156 

282

3,040

600 

250 

566 

1,650 

2,880 

1,830 

801 

390 

166

2,880

Apr.

560 

566 

548 

524 

497

475 

464 

470 

486 

497

480 

486 

548 

722 

955

1,050 

1,130 

1,140 

1,160 

1,140

1,080 

1,040 

1,030 

1,030 

1,090

1,180 

1,420 

1,650 

1,640 

1,510

May

1,430 

1,60O 

1,810 

1,780 

1,800

2,000 

2,360 

2,880 

2,770 

2,320

2,000 

1,930 

1,940 

1,760 

1,620

1,530 

1,430 

1,330 

1,300 

1,460

1,650 

1,770 

1,820 

2,020 

2,270

2,470 

2,600 

2,710 

2,450 

2,200 

2,110

June

1,830 

1,700 

1,610 

1,510 

1,420

1,370 

1,400 

1,520 

1,570 

1,400

1,240 

1,210 

1,210 

1,160 

1,090

1,170 

1,360 

1,420 

1,280 

1,090

969 

976 

1,070 

1,130 

1,200

1,080 

1,010 

843 

741 

734

Minimum Mean

85 143 

94 122 

94 148

75 536

115 212 

120 169 

150 306 

464 886 

1,300 1,972 

734 1,244 

360 593 

159 233 

112 133

85 515

1947

July

734 

801 

774 

760 

760

801 

774 

708 

663 

644

644 

638 

602 

632 

722

644 

590 

602 

638 

584

542 

514 

475 

448 

400

390 

375 

415 

400 

360 

360

Per 

square 

mile

0.846 

.722 

.876

3.17

1.25 

1.00 

1.81 

5.24 

11.7 

7.36 

3.51 

1.38 

.787

3.05

Aug.

365 

385 

390 

360 

350

306 

286 

282 

268 

246

233 

225 

221 

221 

225

221 

206 

202 

190 

180

176 

173 

170 

163 

159

159 

159 

159 

163 

183 

183

Sept.

166 

159 

153 

150 

147

141 

153 

153 

159 

156

141 

135 

129 

126 

126

132 

141 

129 

123 

115

112 

112 

115 

115 

115

115 

118 

115 

115 

112

Runoff

Inches Acre-feet

0.97 8,760 

.80 7,240 

1.01 9,130

43.03 387,700

1.44 13,020 

1.04 9,400 

2.09 18,840 

5.85 52,700 

13.45 121,200 

8.21 74,010 

4.05 36,480 

I.f9 14,300 

.88 7,890

41.38 373,000

* Winter discharge measurement made on this day. 

Note.- Stage-discharge relation affected by ice Nov. 

to Feb. 24 (no gage-height record Feb. 19-24).

14, 17, 18, 20-28, 30, Dec. 16-21, Dec. 25
304 WENATCHEF RIVER BASIN

Icicle Creek above Snow Creek, near Leavenworth, Wash.

Location.- Water-stage recorder, lat. 47°32'25", long. 120°42'55", in SE-j sec. 28, T. 24 

M., K. 17 E., three-eighths of a mile upstream from Snow Creek and 4-j miles southwest 

of Leavenworth.

Drainage area.- 193 square miles.

Records available.- September 1936 to September 1947.

Average discharge.- 11 years, 523 second-feet.

Extremes.- Maximum discharge during year, 4,000 second-feet May 28 (gage height, 9.78 

 i'eet); minimum, 94 second-feet Oct. 19, 20 (gage height, 2.42 feet).

1936-47: Maximum discharge, 4,320 second-feet June 3, 1937 (gage height, 10.10

feet), from rating curve extended above 3,000 second-feet; minimum, SO second-feet

Oct. 25, 26, 1942 (gage height, 1.92 feet).

Remarks.- Records good except those for periods of ice effect, or no ga?e-height record, 

which are poor. No diversion. Some regulation in headwater lakes fo" irrigation.

Rating table, water year 1946-47, except periods of ice effect 

(gage height, in feet, and discharge, in second-feet)

2.4 92 4.0 336 7.0 1.49O 

Z.I 122 4.5 461 8.0 2,140 

3.0 158 5.0 612 9.4 3,530 

3.5 236 6.0 1,000

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

105 

105 

105 

109 

116

110 

111 

118 

109 

104

f!02 

flOl 

99 

100 

102

100 

99 

97 

94 

132

211 

164 

181 

286 

1,330

741 

520 

410 

360 

320 

290

Nov.

310 

320 

270 

240 

230

225 

220 

220 

220 

200

180 

160 

140 

*135 

161

133 

134 

152 

192 

168

150 

137 

165 

168 

166

186 

197 

200 

176 

' 161

Dec.

157 

157 

164 

181 

190

186 

ISO 

174 

182 

526

868 

717 

1,220 

1,000 

717

548 

518 

475 

421 

383

359 

336 

325 

304 

293

283 

290 

260 

230 

210 

200

Jan.

236 

181 

b!75 

b!75 

b!75

b!80 

b!95 

203 

198 

203

228 

203 

187 

161 

b!50

b!60 

b!70 

172 

181 

172

*172 

187 

382 

794 

664

681 

564 

489 

434 

396 

359

Month £l\

Octc 

Move 

Dece

Ca

Jami 

Febi 

Hare 

Apri 

Hay 

June 

Jnls 

Align 

Sept

Wa

ber

lendar year 1946 ......

&ry

Feb.

b350 

b350 

b360 

359 

359

336 

314 

304 

283 

273

273 

273 

293 

383 

421

396 

371 

359 

348 

348

348 

348 

383 

396 

383

383 

371 

359

ond-

-days

6,931 

5,716 

12 , 054

238,985

ember .....................

8,827 

9,724 

16,563 

30,530 

71,650 

46,491 

21,415 

7,110 

4,441

ter year 1946-47 .......... 241,452

Mar.

336 

336 

325 

325 

304

293

293 

283 

283 

273

273 

264 

*273 

293 

336

408 

548 

699 

814 

917

1,000 

1,050 

917 

814 

755

699 

646 

629 

629 

774 

774

Maximum

1,330 

320 

1,220

3,310

794 

421 

1,050 

1,990 

3,530 

2,310 

1,050 

383 

245

3,530

Apr.

774 

736 

699 

664 

612

579 

548 

533 

533 

533

518 

518 

629 

834 

1,120

1,220 

1,290 

1,390 

1,340 

1,290

1,160 

1,070 

1,070 

1,100 

1,220

1,390 

1,720 

1,990 

1,850 

1,600

May

1,540 

2,220 

2,220 

2,060 

2,140

2,490 

3,310 

3,420 

2,690 

2,140

1,920 

1,920 

1,850 

1,660 

1.600

1,600 

1,490 

1,390 

1,600 

1,850

2,220 

2,310 

2,310 

2,590 

2,990

3,200 

3,530 

3,420 

2,790 

2,690 

2,490

Minimum

94 

133 

157

94

150 

273 

264 

518 

1,290 

875 

596 

144 

116

94

June

2,140 

2,310 

2,140 

1,850 

1,720

1,850 

1,920 

2,140

2,060 

1,850

1,490 

1,440 

1,490 

1,440 

1,340

1,490 

1,720 

1,540 

1,390 

1,190

1,070 

1,140 

1,290 

1,390 

1,440

1,390 

1,440

1,050 

896 

875

Mean

224 

191 

389

655

285 

347 

534 

1,018 

2,311 

1,550 

691 

229 

148

662

1947

July

938 

1,050 

960 

875 

917

982 

896 

834 

794 

814

814 

794

755 

774 

794

717 

664 

681 

681 

612

564 

533 

504 

461 

421

421

408 

504 

461 

396 

396

Per 

square 

mile

1.16

.990 

2.02

3.39

1.48 

1.80 

2.77 

5.27 

12.0 

8.03 

3.58 

1.19 

.767

3.43

Aug.

383 

371 

371 

359 

336

304 

283 

273 

264 

245

236 

228 

228 

219 

219

219 

211 

197 

187 

178

171 

165 

164 

161 

157

152 

148 

144

144 

200 

193

Sept.

165 

155 

148 

144 

141

135 

150 

159 

198 

245

186 

161 

149 

140 

132

149 

190 

165 

150 

138

132 

130 

128 

124

123

125 

123 

121 

119 

116

Runoff

Inches Acre-feet

1.34 13,750 

1.10 11,340 

2.32 23,910

46.06 474,000

1.70 17,510 

1.87 19,290 

3.19 32,850 

5.88 60,560 

13.81 142,100 

8.96 92,210 

4.13 42,480 

1.37 14,100 

.86 8,81O

46.53 478,900

* Winter discharge measurement made on this day. 

b Stage-discharge relation affected by ice. 

f Computed on basis of partly estimated gage-height record.

Mote.- No gage-height record Oct. 27 to Nov. 14, Dec. 27-31: discharge computed on basis 

charge measurement and records for Wenatchee River at Plain.
CRAB CREEK BASIN ?05

Crab Creek at Irby, Wash.

Location.- Water-stage recorder, lat. 47°21'30", long. 118°51'00", in NW£ sen. 31, T. 22 

fl., R. 32 E., 8 feet upstream from county road bridge at Irby, 5 miles downstream 

from Lake Creek, and 7 miles west of Odessa.

Records available.- September 1942 to September 1947.

Extremes.- Maximum discharge during year, 159 second-feet Feb. 17 (gage height, 3.09 

reet); minimum, 5.6 second-feet Sept. 24, 25 (gage height, 1.91 feet).

1942-47: Maximum discharge, 965 second-feet Feb. 25, 1946 (gage height, 6.65 feet); 

minimum, 3.6 second-feet Dec. 23, 1944 (gage height, 1.83 feet).

Remarks.- Records fair except those for periods of ice effect, which are poor. No regulation. Some diversion above station for irrigation.

Discharge, In second-feet, water year October 1946 to September 194 7

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

14 

14 

13 

14 

14

13 

13 

13 

12 

12

14 

14 

13

13 

13

13 

13 

12 

12 

13

13 

13 

12

12 

11

11 

12 

12 

12 

12 

12

Nov.

12 

12 

11 

11 

11

11

11 

11 

11 

11

11 

11 

11

11 

11

11 

11 

11 

11 

11

11 

11 

11

11 

11

11 

12 

12 

12 

12

Dec.

12 

12 

13 

 13 

13

13 

13 

13 

13 

13

14

14

13 

14 

14

13 

12 

12 

13 

13

14 

14

14 

14 

14

14 

14 

14 

14 

b!3 

b!3

Jan.

14 

b!4 

b!4 

b!3 

b!3

b!3 

b!4 

b!4 

b!4 

15

15 

15 

15 

b!4 

b!4

b!4 

14 

14

14 

14

14 

 14 

14 

14 

14

32

64 

109 

120 

108 

98

Feb.

69 

78 

68 

76 

101

119 

122 

117 

112

108

101 

96 

87 

80 

91

135 

154 

144 

132 

123

115 

109 

1O3 

95 

94

87 

85 

82

Month

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Marc 

Aprl 

May.

June 

July 

Augu 

Sept

Ha

lendar year 194S

ter year 1946-47 .......................

Mar.

80 

76 

73 

69 

59

68 

68 

71 

69 

68

65 

58 

73 

78 

78

78 

76 

75 

73 

69

58 

56 

55 

52 

52

61 

59 

58 

58 

58 

55

Apr.

55 

55 

54 

45

42

42 

41 

42 

39 

35

32

34 

37 

31 

25

23 

23 

23 

25 

22

23 

22 

22 

22 

23

23 

25 

25

26 

26

Secondfoot-days

394 

336

412

28,047

882 

2,884 

2,119 

965 

741 

487 

356.8 

263.0 

212.4

10,052.2

May

26 

26 

26 

26 

26

25 

26 

26 

25 

26

25 

25 

25 

25 

25

25 

23

23 

23 

23

23 

22 

22 

22 

22

22

22 

21 

21 

21 

21

Maximum

14 

12 

14

920

120 

154 

80 

56 

25 

20 

14 

9.2 

8.5

154

June

20 

20

18 

17 

17

18 

18 

18 

17 

IS

17 

17 

17 

17 

IS

16 

16 

IS 

16 

15

14 

14 

15 

15 

15

15 

15

14 

14 

14

Minimum

July

14 

14 

14 

14 

14

14 

14 

13 

13 

13

13

12 

11 

11

11

11 

11 

11 

11 

11

9.9 

9.9 

9.2 

9.9 

9.9

9.9 

9.9 

9.9 

9.2 

9.9 

9.2

11 

11 

12

11

13 

68 

56 

22 

21 

14 

9.2 

7.4 

S.O

5.0

Aug.

9.2 

8.6 

8.5 

9.2 

8.S

8.5 

8.0 

8.0 

8.0 

8.0

8.S 

8.6 

8.5 

8.S 

8.6

8.5 

8.S 

8.5 

8.S 

8.6

9.2

8.5 

8.6 

8.6 

8.S

8.5 

8.6 

8.0 

7.4 

8.0 

8.0

Heai

12.7 

11.2 

13.3

76.8

28.5 

103 

68.4 

32.2 

23.9 

IS. 2 

11.5 

8.48 

7.08

27.5

Sept.

8.5 

8.6 

8.6 

8.6 

8.0

7.4 

8.0 

8.0 

8.0 

7.4

S.9 

6.4 

6.4 

5.4 

6.9

6.9 

6.9

S.4 

6.9

6 9

5.4 

S.4 

6.4 

S.O 

6.0

S.9 

5.9 

S.4 

6.4 

6.4

Runoff In 

acre-feet

781 

666 

817

55,640

1,750 

5,720 

4,200 

1,910 

1,470 

96S 

708 

522 

421

19,930

» Winter discharge measurement made on this day. 

b Stage-discharge relation affected by ice.
306 CRAB CREEK BASIN

Crab Creek near Moses Lake, Wash.

Location.- Water-stage recorder, lat. 47°11'25", long. 119°16'00", in SV'£-SE£ sec. 26, T. 

au N., R. 28 E., 3 miles upstream from Parker Horn and 4 miles north of Moses Lake.

Records available.- Seotember 1942 to September 1947.

Extremes.- Maximum discharge during year, 0.4 second-foot Oct. 20 (gage height, 1.28 feet); 

no now for long periods.

1942-47: Maximum discharge, 420 second-feet Mar. 2, 1946; no flow during several 

months each year.

Remarks.- Records poor. Some diversion in upper Crab Creek Basin for irrigation. Most of 

now from upper basin passes this station under ground. No regulation.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3

4 

5

6 

7 

8 

9 

10

11 

13 

13 

14 

15

16 

17 

18 

19 

20

21 

23 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

0.3 

.3 

.3 

.3 

.3

.3 

.3 

.3 

.2 

.2

.2

.2 

.2 

.2 

.2

.2 

.2 

.2 

.3 

.3

.3 

.3 

.3 

.3 

.2

.2 

.2 

.2

.3 

.3 

.5

Nov.

0.3 

.3 

.3 

.3 

.3

.3 

.3 

.3 

.3 

.3

.3 

.3 

.3 

.3 

.3

.3 

.3 

.3 

.3 

.3

.3 

.3 

.3 

.3 

.3

.3 

.3 

.3 

.3 

.3

Dec.

0.3 

.3 

.3 

.3 

.3

.2 

.2 

.2 

.2 

.2

.2 

.2 

.2 

.2 

.3

.2 

.2

0 

0 

0

0 

0 

0 

0 

0

0 

0 

0 

0 

0 

0

Jan. Feb.

Month

Octo 

Nove 

Dece

Ca

Janu 

Pebr 

Marc 

Apri 

May.

June 

July 

Augu 

Sept

Wa

mber. ...................................

lendar year 194f

ter year 1946-47 .......................

Mar. Apr.

Secondfoot -days

7.9 

9.0 

4.0

8,596.6

0 

0 

0 

0 

0 

0 

0 

0 

0

20.9

May

Maximum

0.3 

.3 

.3

410

O

0 

0 

0 

0 

0

o

0

0

.3

June July

Minimum

0.2 

.3 

0

0

0 

0 

0 

0 

0 

0 

0

o

0

0

Aug.

Mean

0.25 

.30 

.13

23.6

0 

0 

0 

0 

0 

0 

0 

0 

0

.06

Sept.

Runoff in 

acre-feet

16 

18 

7.9

17,050

0 

0 

0 

0 

0 

0 

0 

0 

0

- 41.9

Note.- No gage-height record Oct. 1-15, Oct. 31 to Dec. 3; discharge Interpolated.
CRAB CREEK BASIN 307 

Moses Lake at Moses Lake, Wash.

Location.- Water-stage recorder, lat. 47°06', long. 119°20', in NE-J- sec. 32, T. 19 N., R. 

28 E., at crossing of State Highway 18, If miles upstream from outlet and 3 miles southwest of town of Moses Lake. Datum of gage is mean sea level (Bureau of Reclamation 

bench mark).

Records available.- June 1909 to September 1914, November 1936 to September 1945 (fragmentary).October 1945 to September 1947. Records October 1912 to Seotember 1914 published as Moses Lake at Neppel.

Extremes.- Maximum elevation during year, 1,046.89 feet Apr. 14; minimum, 1,044.21 feet 

 Sept. 15, 16.

1909-14, 1936-47: Maximum elevation observed, 1,047.83 feet Apr. 18, 1941; minimum 

observed, 1,038.17 feet Aug. 27, 1910.

Remarks.- Elevation controlled by dam at lake outlet. Many small diversions for irrigation.

October 1946 to September 1947

Day

1

2

3

t

6

7

a

a

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

45.51

45.52

45.52

45.53

45.54

45.55

45.57

45.57

45.58

45.58

45.59

45.60

45.61

45.62

45.62

45.62

45.62

45.63

45.64

45.68

45.69

45.71

45.72

45.73-

45.74

45.75

45.75

45.75

45.76

45.78

45.79

Nov.

45.81

45.81

45.83

45.84

45.85

45.86

45.87

45.88

45.89

45.91

45.91

45.92

45.93

45.94

45.95

45.96

45.98

45.99

46.02

46.03

46.06

46.09

46.09

46.10

46.12

46.14

46.16

46.17

46.18

46.20

-

Deo.

46.20

46.22

46.23

46.25

46.26

46.27

46.28

46.28

46.29

46.30

46.32

46.33

46.34

46.35

46.36

46.37

46.37

46.38

46.39

46.40

46.41

46.42

46.43

46.44

46.45

46.46

46.47

46.47

46.48

46.49

46.49

Jan.

46. 5O

46.51

-

-

-

.

_

_

_

46.57

46.59

46.60

46.61

46.63

46.63

46.63

46.63

46.64

46.65

46.66

46.65

46.67

46.67

46.69

46.70

4R.71

46.71

46.71

46.72

46.73

46.74

Feb.

46.75

46.76

46.76

46.76

46.74

46.72

46.71

46.69

46.69

46. 6£

46.69

46.70

46.69

46.71

46.71

46. 1

46. 2

46. 2

46. 2

46. 2

46.71

46.71

46.72

46.72

46.72

46.71

46.70

46.71

_

-

liar.

46.70

46.69

46.70

46.70

46.69

46.69

46.69

46.72

46.73

46.73

46.73

46.73

46.74

46.74

46.76

46.77

46.78

46.79

46.79

46.79

46.79

46.79

46.79

46.79

46.80

46.79

46.80

46.80

46.81

46.81

46.82

Apr.

46.82

46.82

46.84

46.85

46.85

46.85

46.86

46.86

46.87

46.87

46.86

46.86

46.87

46.88

46.87

46.87

46.87

46.87

46.86

46.87

46.88

46.88

46.87

46.87

46.86

46.86

46.86

46.84

46.82

46.80

-

May

46.79

46.78

46.77

46.76

46.75

46.75

46.73

46.70

46.68

46.66

43.64

46.63

46.60

16.58

46.56

46.54

46.52

46.50

46.48

46.46

46.44

46.41

46.39

46.37

46.36

46.34

46.31

46.26

46.23

46.20

46.18

June

46.16

46.14

46.11

46.10

46.09

46.07

46.07

46.07

46.06

4E.02

46.01

45.99

45.97

45.94

45.92

45.90

45.88

45.85

45.82

45.79

45.74

45.72

45.71

45.69

45.66

45.62,

45.58

45.56

45.53

45.52

-

July

45.50

45.48

45.44

45.42

45.40

45.38

45.35

45.33

45.31

45.29

45.26

45.24

45.22

45.21

45.19

45.17

45.16

45.13

45.10

45.08

45.06

45.02

45.00

44.96

44.92

44.91

44.90

44.91

44. 9O

44.90

44.89

Aug.

44.87

44.86

44.85

44.83

44.80

44.78

44.76

44.72

44.70

44.68

44.66

44.66

44.65

44.64

44.63

44.61

44.58

44.56

44.54

44.52

44.49

44.48

44.46

44.45

44.44

44.43

44.41

44.40

44.33

44.35

44.35

Sept.

44.35

44.34

44.33

44.31

44.29

44.27

44.29

44.29

44.28

44.26

44.26

44.26

44.26

44.23

44.22

44.25

44.30

44.27

44.27

44.26

44.27

44.27

44.28

44.30

44.31

44.31

44.32

44.32

44.33

44.33

-

Note.- Add 1,000 feet to obtain elevation above mean sea level.
308 CRAB CREEK BASIN

Crab Creek near Warden, Wash.

Location.- Water-stage recorder, lat. 46°58'20", long. 119°15"40", in SE^SE^ sec. 11, T. 

17 N., R. 28 E., three-quarters of a mile downstream from Lind Coulee and 10 miles west 

of Warden.

Records available.- June 1909 to June 1912, October 1942 to September 1947.

Extremes.- Maximum discharge during year, 596 second-feet (regulated) Feb. 25 (gage height, 

ii.48 feet); minimum, 0.1 second-foot (regulated) July 18 (gage height, 7.48 feet).

1909-12, 1942-47: Maximum discharge, 3,000 second-feet Feb. 7, 1943 (gage height, 

4.25 feet), from rating curve extended above 20 second-feet on basis of slope-area 

measurement of flood flow in Lind Coulee; minimum, that of July 18, 1947.

Remarks.- Records poor. Many small diversions for irrigation. Some regulation at Moses

Discharge, In second-feet, water year October 194,6 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

14.5 

15 

16 

16

16

15.5 

18 

19 

18.5

21

19 

16 

15.5 

14.5 

14.5

15 

24 

25

21 

21

20 

21 

20 

20 

19

18.5 

19.5 

20 

21 

21 

21

Nov.

21 

21 

£1

21

21

21 

21 

21 

21 

21

21 

21 

21 

21 

21

21 

21 

21

21 

17

19 

21 

22 

21 

22

24 

25

24 

23

22

Dec.

21 

21 

21 

22 

21

20 

20 

20 

21 

20

20 

20 

20 

20

20

20 

19 

20 

20 

20

20 

20 

20 

20 

20

20 

19 

19 

18 

18 

18

Jan.

19 

19 

18 

18 

17

18 

18 

18 

19 

19

19 

19 

18 

18 

17

17 

18 

18 

18 

19

19

20 

20 

20 

20

20 

20 

20 

20 

20 

20

Feb.

20 

20 

20 

20 

20

20 

20 

20 

20 

EO

20 

20 

20 

20 

20

20 

20 

20 

21 

5.6

3.5 

3.5 

3.2 

3.0 

38

24 

22 

21

Month

Octo 

Nove 

Dece

Ca

Janu 

Pebr 

Marc 

Aprl 

May.

June 

July 

Augu 

Sept

Wa

lendar year 1946 

siry

uai*y .

ter year 1946-47 .......................

Mar.

20 

21 

21 

21 

11

3.2 

18 

18 

IS 

18

17 

18 

18 

18 

17

17 

17 

17 

16 

16

13 

17 

17 

17 

16

17 

15 

15 

15 

17 

16

Apr.

15 

15

17 

17 

17

17 

16 

17 

17 

16

15 

15 

17 

15 

15

15 

16 

17 

17 

17

15 

15 

15 

15 

15

14 

15 

17 

15 

15

Secondfoot -days

576.0 

639 

618

11,671.5

583 

504.8 

515.2 

474 

328.4 

258.9 

109.0 

351.1 

407

5,364.4

May

14 

12 

12 

12 

11

11 

11 

11 

11 

10

11 

11 

11 

11

10

10 

9.4 

11 

12 

11

10 

9.4 

8.3 

8.8 

12

15 

11 

8.3 

6.6 

7.2 

9.4

Maximum

25 

25 

22

334

20 

38 

21 

17 

15 

26 

15 

25 

17

38

June

11 

11 

9.4 

8.3 

10

15 

- 22 

26 

20 

15

13 

11 

11 

8.3 

11

11 

9.4

6.2 

4.6 

4.2

1.0 

6.2 

3.0 

.8 

1.0

1.5 

1.7 

2.2 

2.4 

1.7

July

1.0 

1.0 

1.0 

1.5

1.8

1.4 

1.4 

1.1 

2.8 

3.0

2.6 

3.8 

3.2 

2.8

2.6

1.5 

1.8 

1.7 

2.2 

4.2

2.0 

4.6 

7.2 

6.2 

12

13 

15 

5.6 

.5 

.3 

.2

Minimum

14.5

17 

18

10.5

17 

3.0 

3.2 

14 

6.6 

.8

ll'

.2

Aug.

1.3 

8.8 

.4 

.2 

.4

5.6 

1.0 

1.0 

14

12

8.8 

7.8 

2.0 

7.8

n

25 

U 

13 

23 

23

17 

15 

13

17 

17

17 

16 

16 

16 

15 

15

Mean

18.6 

21.3

19.9

32.0

18.8 

18.0 

16.6 

15.8 

10.6 

8.63 

3.52 

11.3 

13.6

14.7

Sept.

15 

14 

14 

14 

13

13 

13 

12 

12 

12

11 

12 

12 

13 

13

14 

14 

15 

14 

12

12 

13 

13 

14 

14

15 

15 

16 

16 

17

Runoff In 

acre -feet

1,140 

1,270 

1,230

23,140

1,160 

1,000 

1,020 

940 

651 

514 

216 

696 

807

10 . 640

Mote.- Faulty or no gage-height record Oct. 30 to Nov. 13, Dec. 22 to Feb. 18, Aug. 25 to Sept. 1), 

Sept.12-17, 23-30; discharge computed on basis of weather records and 1 discharge measurement, or 

Interpolated.
CRAB CREEK BASIN 309 

Crab Creek near Smyrna, Wash.

Location.- Water-stage recorder, lat. 46°50'35", long. 119°36'25", in SE£ sec. 30, T. 16 N. 

K. So" E., at county road bridge 2| miles east of Smyrna.

Records available.- August 1942 to September 1947.

Extremes.- Maximum discharge during year, 32 second-feet Feb. 15 (gage height, 2.41 feet); 

possibly no flow at times during summer.

1942-47: Maximum discharge, 3,300 second-feet Feb. 8, 1943 (gage height, 7.5 feet, 

estimated by observer), from rating curve extended above 1,000 second-feet; possibly no 

flow at times during summer of 1947.

Remarks.- Records good except those for periods of shifting control, which are fair, and 

those for periods of'ice effect or no gage-height record, which are poor. Many diversions above station for irrigation. Some regulation by Moses Lake and lakes on headwaters.

Rating table, water year 1946-47, except periods of shifting control or ice effect 

(gage height, in feet, and discharge, in second-feet)

1.0 

1.2 

1.4

2.2 

4.3

2.0 

2.2

2.4

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

5.0 

5.2 

5.3 

5.7 

6.0

6.2 

6.4 

6.4 

6.4 

6.5

6.4 

6.5 

6.5 

6.5 

6.7

6.7 

6.8 

7.0 

8.2 

8.6

8.6 

8,4 

8.4 

8.2 

8.1

8.2 

8.4 

8.4 

8.6 

9.6 

10

Nov.

10 

10 

1011 11

11 11 

11 11

12

12 

11 

11 

11 

12

9.2 

8.1 

11 

11 

8.8

5.9 

4.8

5.0 

6.8 

13

19 

20 

18

16 

15

Dec.

13

12 

13 

13 

13

13 

*12 

12 

12 

12

12 

12 

12 

9.4 

7.2

6.4 

5.0

4.8 

4.4

4.0

4.9 

7.4 

9.0 

9.8 

10

11 

11 

8.6 

5.7 

3.9 

3.4

Jan.

3.4 

3.0 

2.7 

2.5 

2.5

2.5 

2.5 

2.5 

2.5 

2.7

3.0 

3.5 

3.6 

3.5 

3.3

3.2 

3.2 

3.0 

3.1 

3.3

3.4 

3.5 

4.0 

7.9 

13

17 

11 

*8.8 

8.4 

8.2 

b8.0

Feb.

7 .5

7.0 

7.2 

12 

15

14 

13 

14 

14 

14

15 

18 

23 

30 

31

28 

19 

14 

12 

11

10 

10 

9.0 

8.6 

7.7

9.4

14 

13

Month

Octo 

Nove 

Dece

Ca

Janu 

Pebr 

Marc 

Apr!

June 

July 

Augu 

Sept

Wa

Lendar year 194

ter year 1946-47 .......................

Mar.

14 

14 

14 

14 

13

13 

12 

16 

16 

14

12 

11 

11 

11 

11

10 

9.8 

9.4 

8.1 

6.7

5.9 

5.9 

5.9 

5.9 

6.0

6.0 

6.0 

6.0 

6.2 

6.2 

5.4

Apr.

5.3

5.3 

5.4 

6.7 

8.1

7.9 

7.5

7.2 

7.0 

6.5

6.8 

6.4 

6.4 

6.2 

6.4

6.4 

6.5 

7.0 

8.2 

8.6

9.0 

8.8 

8.2 

7.9 

7.9

8.4 

8.2 

7.9 

7.7 

9.4

f^-dts

223.9 

336.6 

286.9

7,399.8

152.7 

400.4 

305.4 

219.2 

142.9 

63.4 

16.9 

18.2 

51.6

2,218.1

May

8.8 

7.7 

7.5 

7.0 

6.7

6.5 

5.9 

5.3 

4.9 

5.4

5.3 

4.5 

4.4 

4.5 

4.4

4.2 

4.3 

4.3 

4.5 

4.3

4.0 

4.0 

3.6 

3.2 

3.0

2.8 

2.8 

2.7

2.1 

2.1

Maximum

10 

20 

13

223

17 

31 

16 

9 4 

8 8 

5 4 

1 6 

1 4 

3 0

31

June

2.0 

2.4 

2.5 

2.7 

2.6

2.9 

3.5 

5.4 

4.0 

3.9

3.7 

3.4 

2.8 

2.5 

2.4

2.4 

2.4

2.'o 

1.7

1.4 

1.2

1.0 

.7 

.5

.4 

.3

.'1 

.1

July

Minimum

5.0 

4.8 

3.4

.3

2.5 

7.0 

5.4 

5.3 

2.1 

.1 

.1 

. 2 

.8

.1

0.1 

.1 

.1

.1 

.1

.2 

.2 

.2 

.3 

.3

.4

.5 

.8

1.1 

1.2

1.4 

1.5 

1.2 

.7 

.5

.3 

.2 

.1 

.1 

.1

.1

.2 

.8 

1.4 

1.6 

1.0

Aug.

0.5 

.4 

.3 

.3 

.2

.2 

.2 

.2 

.3 

.3

.3 

.3 

.3 

.5

.3

.3 

.3 

.3 

.4 

.5

.8 

1.1 

1.3 

1.4 

1.4

1.3 

1.1 

1.0 

.8 

.8 

1.0

Mean

7.22 

11.2 

9.25

20.3

4.93 

14.3 

9.85 

7.31 

4.61 

2.11 

.55 

.59 

1.72

6.C8

Sept.

1.0 

1.0 

.8 

.8 

.8

.9 

1.0 

1.3 

1.3 

1.3

1.3 

1.4 

1.3 

1.3 

.8

.8 

1.6 

2.0 

2.2 

2.2

2.4 

2.4 

2.4

2.4 

2.6

2.8 

2.8 

2.8 

2.9 

3.0

ac^-fee?

444

668 

569

14,680

303 

794

606 

435 

283 

126 

34 

36 

102

4,400

* Winter discharge measurement made on this day.

b Stage-discharge relation affected by ice.

Note.- No gage-height record June 27-30, July 2-11, 21-23, 25-27, Aug. 2-14, 16-19; discharge computed on basis of weather records and records for station near Warden. Shifting-control method used 

Oct. 1 to Dec. 3, Aug. 6 to Sept. 30.
310 CRAB CREEK BASIN

Park Lake near Coulee City, Wash.

Location.- Staff gage, lat. 47°35". long. 119°24', In NW£ sec. 14, T. 24 N., R. 27 E., 1 

mile upstream from outlet and 5? miles southwest of Coulee City. Datum of gage Is at 

mean sea level (Bureau of Reclamation bench mark).

Records available.- March 1938 to September 1947 (fragmentary).

Extremes.- 1938-47: Maximum elevation observed, 1,095.91 feet Feb. 6, 1943; minimum ob- 

 served, 1,094.17 feet Sept. 30, 1939.

Maximum elevation known, 1,101.3 feet (from well defined alkali line at gage); date 

of occurrence unknown.

Remarks.- Some diversion from tributary for Irrigation. Gage read occasionally.

evation, in feet, water year October 1946 to September 1917

Day

1

2

3

4 

5

6

7

8

9 

10

11

12 

13 

14

15

16 

17

18

19

OA 3SU

21

22

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

:

95.07

-

95.05

95.10

" 

95.08

MOT.

1

-

95.28

-

-

95.40

Dso.

:

95 '53

-

-

95.54

-

95.55

Jan.

:

95.54

-

"

-

95.55

F»b

95.57

-

-

_

-

95.58

Mar.

95.57

-

-

-

-

95.58

Apr.

-

-

.

95.60

-

~

95.57

May

-

-

-

-

95.36

-

June

-

95 * 32

95.30

-

-

95.20

J»ly

-

-

-

9f.l6

-

95.12 

95.14

Aue-

-

-

35.14

-

-

95.18

Sept.

:

-

95.23

"

-

95.30

Mote.- Add 1,000 feet to obtain e le"i-Hon above mean sea level.
CRAB CREEK BASIN 311

Park Creek below Park Lake, near Coulee. City, Wash.

Location.- Water-stage recorder, lat. 47°34', long. 119°25', In SW^ sec. 15, T. S4 N., 

K . vi t,., 100 feet upstream from mouth, 500 feet downstream from Park Lake, and 6j 

miles southeast of Coulee City.

Records available.- July 1945 to September 1947.

Extremes.- Maximum discharge during year, 10.4 second-feet Dec. 17, Feb. 16; maximum 

gage height, 2.19 feet Dec. 17; minimum discharge, 1.2 second-feet Aug. 20-23.

1945-47: Maximum discharge, that of Dec. 17, 1946, Feb. 16, 1947; minimum not 

determined, occurred during period of no gage-height record in October 1945.

Remarks.- Records good except those for periods of shifting control, which are fair, and 

those for period of ice effect, which are poor. Some diversion during summer months 

for irrigation above Park Lake. No regulation.

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

2.2 

2.1 

2.1 

2.2 

2.3

2.1 

2.4 

2.6 

2.4 

2.3

2.3 

2.4 

2.2 

2.4 

2.3

2.Z

2.3 

2.3 

2.6 

3.2

3.4 

3.5 

3.4

3.5 

3.5

3.5 

3.7 

3.1 

3.1 

3.2 

3.5

Nov.

.5

.8 

.8 

.0 

.2

.3 

.5 

.5 

.5

.7

.7 

.5 

.5 

.5

.7

.7 

.0 

b5.0 

b5.1 

b5.2

5.2 

5.4 

6.0 

6.4 

6.6

6.8 

7.0 

7.2 

7.4 

7.7

Dec.

.4 

.4

.7 

.7 

.9

* .7 

.7 

.7 

.7 

8.1

8.1 

8.1 

7.9 

7.9 

7.9

7.9 

7.9 

7.9 

7.9 

7.9

7.9 

7.9 

7.9 

7.9 

7.9

8.1 

8.1 

7.9 

7.9 

7.9 

7.7

Jan.

.7 

.7 

.7 

.9 

.9

8.1 

8.1 

8.1 

8.1 

8.4

8.9 

9.1 

b9.0 

b8.8 

8.6

8.9 

8.9 

9.1 

9.1 

9.4

9.6 

9.6 

»9.1 

9.6 

9.9

9.9 

9.6 

9.6 

9.6 

9.9 

9.9

Feb.

10.2 

9.9 

9.9 

1.9 

9.9

9.9 

9.9 

9.9 

9.9 

9.6

9.6 

9.9

9.9 

10.2 

10.2

10.2 

9.9 

9.6 

9.4 

9.4

9.4 

9.1 

9.1 

9.1 

9.1

8.9 

8.9 

8.9

Month

Octo 

Nove 

Dece

Ca

Janu 

Febr 

Hare

Aprl 

May.

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

9.1 

9.1 

9.1 

9.1 

9.1

8.9 

8.9 

8.9 

9.1 

9.4

9.4 

9.4 

9.4 

9.4

9.1 

9.1 

8.9 

8.9 

8.6

8.6 

8.6 

8.6 

8.6 

8.4

8.1 

8.1 

8.1 

8.4 

8.6 

8.6

Apr.

8.6 

8.4 

8.6 

8.6 

8.9

8.6 

8.6 

8.6 

8.6 

8.4

8.1 

8.1 

7.9 

7.9

7.9 

7.7 

7.7 

7.7 

7.7

7.9 

7.9 

7.9 

7.7 

7.7

7.9 

7.9 

7.9 

7.7 

7.4

Secondfoot -days

84.3 

155.4 

243.5

1,773.4

275.8 

269.8 

275.0 

242.6 

209.9 

127.6 

59.9 

49.2 

68.6

2,061.6

May

7.7 

7.9 

7.7 

7.9 

7.9

8.1 

8.4 

8.1 

7.9

7.9

7.0 

7.2 

7.0 

7.0

6.6 

6.4 

6.2 

6.2 

6.2

6.0 

6.0 

6.0 

6.0 

5.8

5.8 

5.8 

5.2 

5.2 

5.2 

5.0

Maximum

3.7 

7.7 

8.1

9.2

9.9 

10.2 

9.4 

8.9 

8.4 

6.4 

2.6 

2.1 

3.4

10.2

June

5.0 

5.0 

5.0 

4.8 

4.7

5.2

5.6 

6.4 

6.0 

5.4

5.2 

4.8 

4.3 

4.3

4.5 

4.5 

4.3

3.8 

3.7

3.5 

3.5 

3.4 

3.2 

2.9

2.8 

2.6 

Z.6 

2.6 

2.6

Minimum

July

2.6 

2.3 

2.3 

2.2 

2.3

2.1

2.2 

2.1 

2.0

2.0

1.9 

1.9 

2.0 

1.9

1.8 

2.0 

1.9 

1.8 

1.9

1.9 

1.7 

1.6 

1.5 

1.5

1.5 

1.5 

2.0 

1.8 

1.9 

1.9

2.1 

3.5 

7.4

.4

7.7 

8.9 

8.1 

7.4 

5.0 

2.6 

1.5 

1.2 

1.4

1.2

Aug.

1 

2 

2 

1

1

1 

1 

1 

1 

1

1 

1 

1 

1

1 

1 

1 

1 

1

1

1 

1 

1

1

1 

1 

1 

1 

1 

1

Mean

2.72 

5.18 

7.85

4.86

8.90 

9.64 

8.87 

3.09 

6.77 

4.25 

1.93 

1.59 

2.29

5.6f

.8 

.0 

.1 

.9 

.7

.8 

.9 

.6 

.6 

.7

.6 

.6 

.7 

.8 

.7

.6 

.6 

.4 

.4 

.3

.2 

.2 

.3 

.4 

.4

.4 

.5 

.5 

.5 

.5 

.5

Sept.

1.6 

1.7 

1.6 

1.5 

1.5

1.4

2.0 

2.3 

2.4 

2.3

2.3 

2.3 

2.2 

2.1 

2.1

2.2 

2.3 

2.1 

2.1 

2.1

2.2 

2.4 

2.7 

2.8 

2.9

2.8 

2.9 

3.2 

3.2 

3.4

Runoff In 

acre-feet

167 

308 

483

3,520

547 

535 

545 

481 

416 

253 

119 

98 

136

4,090

* Winter discharge measurement made on this day.

b Stage-discharge relation affected by Ice.

Note.- Shifting-control method used Dec. 1O to Mar. 24, Apr. 9 to June 5, July 4 to Sept. 3O.

903681 O- 50 - 21
31?. CRAB CREEK BASIN

Blue Lake near Coulee City, Wash.

Location.- Staff gage, lat. 47°34', long. 119°36', in SE£ sec. 16, T. 24 N., R. 27 E., 2%

 miles upstream from outlet and 7 miles southwest of Coulee City. Datun of gage is at

mean sea level (Bureau of Reclamation betich mark). 

Records available.- March 1938 to September 1947 (fragmentary). 

Extremes.- 193H^T7: Maximum elevation observed, 1,093.37 feet Apr. 27, 1947; minimum ob-

 served, 1,090.50 feet Nov. 10, 1939.

Maximum elevation known, 1,101.2 feet (from alkali line at gage); date of occurrence 

unknown. 

Remarks.- Some diversion from tributaries for irrigation. Gage read occasionally.

Elevation, In-feet, 1946-47

Oct. 9

15

19

31

Nov. 13

25

91.83

91.80

91.82

91.90

92.00

92.19

Dec.

Jan.

Feb.

6

16

2fi

 9

23

4

92.52

92.66

92.77

92.87

92.96

92.82

Feb.

Mar.

Apr.

May

28

4

SI

16

27

19

92.83

93.13

93.30

93.30

93.37

93.18

June 11

13

26

July 15

17

24

93.09

93.18

92.87

92.65

92.61

92.53

July 29

Aug. 12

28

Sept. 12

29

92.53

92.35

92.25

92.21

92.17

Hote.- Add 1,000 feet to obtain elevation above mean sea level.

Lenore Lake nearl Soap Lake, Wash.

Location.- Staff gage, lat. 47°31', long. 119°30', in SW^ sec. 1, T. 23 N., R. 26 E., 5j 

miles upstream from outlet and"9 miles north of town of Soap Lake. Datum of gage is at 

mean sea level (Bureau of Reclamation bench mark).

Records available.- July 1936, March 1938 to September 1947 (fragmentary).

hlxtremes.- lijati, J.938.-47: Maximum elevation observed, 1,080.40 feet June 30, 1943; minimum

 observed, 1,076.65 feet Oct. 26, 1940.

Maximum elevation known, 1,092.2 feet (from well defined alkali line at gage); date 

of occurrence unknown.

Remarks.- Some diversion from tributaries for irrigation. Gage read occasionally.

Elevation, In feet, 1946-47

Oct. 9

15

19

31

Nov. 13

25

78.51

78.40

78.46

78.52

78.46

78.55

Dec.

Jan.

Feb.

6

16

26

9

23

4

78.65

78.72

78.80

78.80

79.04

79.15

Feb.

Mar.

Apr.

May

28

4

31

16

27

19

79.58

79.62

79.90

80.00

80.04

79.42

June 11

13

26

July 15

24

29

79.75

79.68

79.50

79.25

79.10

79.04

Aug. 12

28

Sept. 12

30

78.78

78.60

78.45

78.33

Hote.- Add 1,OOO feet to obtain elevation above mean sea level.

Soap Lake near Soap Lake, Wash.

Location.- Staff gage, lat. 47°25', long. 119°30', in SE^ sec. 12, T. 28 N., R. 26 E., l£ 

miles upstream from outlet and 2 miles north of town of Soap Lake. Dftum of gage is at 

mean sea level (Bureau of Reclamation bench mark)

Records available.- May to August 1936, March 1938 to September 1947 (fragmentary).

Extremes.- 193bT~C938-47: Maximum elevation observed, 1,073.37 feet Apr. 15, 1943; rainl-

 mum observed, 1,070.87 feet Oct. 21, 1939.

Maximum elevation known, 1,083.1 feet (from well defined alkali line at gage); date 

of occurrence unknown.

Remarks.- Some diversion from tributaries for irrigation. Gage read occasionally.

Elevation, In feet. 1946-47

Oct. 9

15

19

31

Nov. 13

25

71.78

71.73

71.74

71.76

71.77

71.91

Dec.

Jan.

Feb.

6

16

26

9

23

4

71.99

72.05

72.12

72.10

72.26

72.30

Feb.

Mar.

Apr.

May

?8

4

31

16

?7

19

72.50

72.54

72.68

72.75

72.78

72.59

June 11

13

26

July 15

24

29

72.54

72.56

72.27

72.12

72.00

72.00

Aug. 12

28

Sept. 12

29

71.79

71.68

71.56

71.55

Note.- Ada 1,000 feet to obtain elevation above mean sea level.
CRAB CREEK BASIN 313

Rocky Ford Creek near Ehprata, Wash.

Location.- Water-stage recorder, lat. 47°18'20", long. 119°26'50", in NWiNW^ sec. 21,

 T. ai N.. R. 27 E., 5^- miles upstream from mouth and 5 miles east of Ep.'irata.

Records available.- June 1909 to December 1911 (fragmentary), August 1942 to September

1947.

Extremes.- Maximum discharge during year, 86 second-feet (regulated) Oct. 1 (gage height,

 y.OV feet); minimum, 38 second-feet Sept. 20, 21, 27, 28, 30.

1909-11, 1942-47: Maximum discharge, 120 second-feet (regulated) Aug. 29, 1942 

(gage height, 2.70 feet), from i-ating curve extended above 71 second-feet; minimum, 

20 second-feet Aug. 13-18, 1911.

Remarks.- Records good except those for period of shifting control, which are fair. No 

diversion. Some regulation by temporary dams for irrigation and by fish hatchery.

Rating table, water year 1946-47, except periods of shifting-control 

(gage height, in feet, and discharge, in second-feet)

1.4

1.5

1.6

1.7

1.8

1.9

2.0

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

3O 

31

Oct.

78

76 

76 

76 

76

76 

76 

74 

74 

74

74 

73 

73 

73 

72

74 

72 

72

71 

71

72 

70 

70 

70 

70

70 

69 

69 

69 

68 

69

Nov.

68 

68 

68 

67 

67

66 

66 

66 

66 

66

66 

66 

66 

66 

65

65 

66 

64 

64 

64

64 

64 

63 

62 

63

* 62 

62 

62 

62 

62

Dec.

61 

61 

61 

60

60

60 

60 

59 

61 

59

59 

59 

59 

59 

59

58 

58 

58 

58 

57

57 

56 

56 

56 

56

56 

55 

55 

56 

56 

55

Jan.

55 

54 

56 

54 

54

54 

54 

54 

53 

53

54 

53 

53 

53 

53

53 

53 

53

53 

53

53

52 

51 

50 

50

50 

50 

50 

49 

49 

49

Feb.

49 

49 

49 

49 

49

48 

48 

48 

48 

48

47 

48 

48 

47 

47

47 

47 

47 

47 

47

4*7 

47 

46 

46 

46

46 

46 

46

Month

Octo 

Hove 

Deoe

Ca

janu 

Pebr 

Marc 

Apr! 

MAV

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

46 

45 

45 

45 

45

45 

45 

45 

45 

44

44 

44 

44 

44

44

44 

43 

43 

43 

43

43 

43 

43 

43 

43

42 

42 

42 

44 

43 

43

Apr.

43 

43 

44 

43 

43

43 

43 

44 

43 

43

43 

43 

44 

43 

43

43 

44 

44 

44 

44

44 

44 

44 

44 

44

45 

44 

44 

44 

44

Secondfoot -days

2,247 

1,946 

1,800

22,898

1,625 

,327 

,357 

,308 

,365 

,319 

,258 

,211 

,173

17,936

May

44 

44 

44 

44 

44

43 

44 

44 

44

45

44 

44 

44 

44 

44

44 

44 

44 

45 

44

44 

44 

44 

44

44

44 

44 

44 

44 

44 

44

Maximum

78 

68 

61

82

56 

49 

46 

45 

45 

45 

42 

40 

40

78

June

45 

45 

45 

45 

45

45 

45 

45 

45 

45

45 

45 

45 

45 

44

44 

44 

44 

43 

43

43 

43 

43 

43 

43

43 

43 

42 

42 

42

July

Minimum

68 

62 

55

38

49 

46 

42 

43 

43 

42 

39 

39 

38

38

42 

42 

42 

42 

42

42 

41 

41 

41 

41

41 

41 

41 

41 

41

41 

40 

40 

40 

40

40 

40 

40 

40 

39

40 

40 

40 

39 

39 

39

Aug.

40 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

39 

39 

39

39 

39 

f39 

f39 

40 

39

Me^n

72.5 

64.9 

F8.1

62.7

?2.4 

47.4 

43.8 

43.6 

44.0 

44.0 

40.6 

39.1 

39.1

49.1

Sept.

40 

39 

39 

39 

39

39

40 

39 

40 

39

40 

40 

40 

39 

39

40 

40 

39 

39 

38

38 

39 

39 

39 

39

39 

38 

38 

39 

38

Runoff In 

acre-feet

4,460 

3,860 

3,570

45,410

3,220 

2,630 

2,690 

2,590 

2,710 

2,620 

2,500 

2,400 

2,330

35,580

f Computed on basis of partly estimated gage-height record. 

Note.- Shifting-control method used June 15 to Sept. 8.
314 YAKIMA RIVER BASIN

Yakima River near Martin, Wash.

Location.- Water-stage recorder, lat. 47°19'10", long. 121°20'10", 'lust downstream from 

dam at outlet of Keeohelus Lake, 3| miles northwest of Martin, Kittitas County, and 

12 miles upstream from Easton.

Drainage area.- 55 square miles.

Records available.- October 1903 to September 1947.

Average discharge.- 43 years (1904-47), 321 second-feet (adjusted for stcrage since January iyub I.

Extremes (regulated). - Maximum discharge during year, 1,490 second-feet .lor. 20; minimum, 

0.9 second-root Oct. 2.

1903-47: Maximum discharge, 7,370 second-feet Mar. 26, 1915, when temporary crib 

dam was washed out; practically no flow when gates in Keechelus Lake lam are closed.

Remarks.- Records good except those beDow 20 second-feet, which are fair. Flow regulated 

by Reechelus Lake (see p. 310). Keechelus Lake spillway discharge, computed from reservoir elevations and spillway rating, bypasses gage and is added to flew at station. 

Spill occurred Mar. 23 to June 22. Figures of daily discharge not adjusted for change 

in contents of Keechelus Lake.

Cooperation.- Records collected and prepared in cooperation with Bureau of Reclamation.

Discharge, in second-fest, water year October 1946 to September 1947

Day

1 

2 

3 

4

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

7.9 

1.0 

1.

2.

2..

2.

Z.

3.0 

3.0 

3.0

3.0 

3.0

3.6 

3.3 

3.3 

3.3 

7.9

13

14 

14 

13 

13 

117

Nov.

210 

228 

228 

228 

226

228

228 

228 

228 

228

228

228 

149 

17 

17

17 

17 

17 

17 

17

.261 

408 

40? 

408 

512

627 

627 

627 

627 

627

Month

Octo 

Nove 

Oece

Cal

Janu 

Febr 

Hare 

Apri 

May.

June 

July 

Augu 

Sept

Wat

endar year 1946

ember. ..........

er year 1946-47

Dec.

627 

627 

627 

386 

258

2 SO

280 

280 

280 

280

289 

280 

289 

298 

298

403 

627 

627 

627 

673

772 

772 

772 

772 

772

772 

554 

271 

280 

280 

280

Jan.

280 

280 

160

102 

103

103 

103 

103 

103 

103

103 

105 

106 

102

102

102 

102 

102 

102 

1O2

71 

7.9 

9.0 

11 

9.4

9.8 

8.7 

8.3 

8.3 

7.9 

7.9

Fsb.

.6 

.9 

.9 

.9 

.9

.9 

.9 

.9 

.6 

.6

.6 

.2 

.6 

8.3 

8.3

7.9 

7.9 

7.9 

7.9 

7.9

8.3 

8.3 

8.7 

9.0

0.7

8.7 

0.7 

8.7

Mar.

8.7 

8.7 

8.7 

8.7 

8.7

8.7 

8.7 

8.7 

9.0 

9.0

9.0 

9.4 

9.4 

9.4

9.8

9.8 

9.4 

9.4 

9.4 

9.8

9.8 

9.8 

112 

365 

455

454 

433 

388 

377 

455 

539

Observed

Discharge in 

second-feet

Maximum

117 

627 

772

1,600

280 

9.0 

539 

1,430 

1,080 

709 

1,280 

772 

772

1,430

Minimum

1.0 

17 

258

1.0

7.9 

7.E 

8.7 

306 

502 

336 

614 

772 

370

1.0

Mean

8.39 

271 

472

343

84.7 

8.06 

122 

692 

751 

513 

829 

772 

473

419

Runoff 

in 

ao re- feet

516 

16,100 

S3, 020

248,000

5,210 

448 

7,500 

41,180 

46,180 

30,510 

50,910 

47,470 

28,140

303,200

Apr.

576 

576 

539 

503 

445

309 

346 

315 

306 

355

356 

346 

346 

456 

669

809 

898 

1,180 

1,340 

1,430

1,140 

853

723 

659 

616

694 

807 

972 

1,080 

1,030

May

926 

865 

^96 

STO 

851

896 

1,000 

1 , 000 

1,020 

941

720 

614 

550 

526 

502

502 

575 

575 

601

700

734 

750 

694 

694 

822

851 

822 

836 

750

576 

527

Change in 

contents

in 

Keechelus 

Lake 

(acre-feet)

+15.O6O 

-4,320 

+9,360

+38,780

'+17,910 

(-17,500 

+17,890 

+890 

-920 

-5,650 

-43,270 

-46,150 

-23,420

-45,150

June

478 

490 

466 

444 

444

44-4 

444

538 

669 

739

616 

504 

445 

423 

4OO

389 

378 

411 

378 

336

532 

509 

588 

614 

614

614 

614 

614 

614

614

July

614. 

614 

614 

614 

614

614 

614 

93T 

1,211 

1,280

1,280 

1,283 

1,283 

984 

772

772 

772 

772 

772 

772

772 

772 

772 

772 

772

772 

772 

772 

772 

772 

772

Aug.

772 

772 

772 

772 

772

772 

772 

772 

772 

772

772 

772 

772 

772 

772

772 

772 

772 

772 

772

772 

772 

772 

772 

772

772 

772 

772 

772 

772 

772

Sept.

772 

741 

711 

711 

711

711 

654 

564 

507 

446

418 

408 

4O8 

408 

408

408 

389 

370 

370 

370

370 

370 

370 

370 

370

370 

370 

370 

370 

370

Adjusted for change in 

reservoir contents

Runoff 

in 

aore-feet

15,580 

11,780 

38,380

286,800

23,120 

17,950 

25,380 

42,070 

45,260 

24,850 

7,640 

1,310 

4,720

258,000

Discharge in 

second- feet

Per 

Mean square 

mile

253 4.60 

198 3.60 

624 11.3

396 7.20

376 6.84 

323 5.87 

413 7.51 

707 12.9 

736 13.4 

418 7.60 

124 2.25 

21.3 .387 

79.3 1.44

356 6.47

Runoff

inches

5.31 

4.02 

13.08

97.77

7.88 

6.12 

8.65 

14.34 

IS. 43 

8.47 

2.60 

.45 

1.61

87.96

Note.- Discharge for periods Oct. 1-30, Jan. 22 to June 21 computed on basis of twice-daily staff-
YAKIMA RIVER BASIN 315

Yakima River at Cle Elum, Wash.

Location.- Water-stage recorder, lat. 47°11'20", long. 120°56'40", In sec. 27, T. 20 N.,

R. 15 E., at highway bridge at Cle Elum, just upstream from Roslyn Creek and 7 miles

upstream froti Teanaway River. 

Drainage area.- 500 square miles. 

Keeords available.- August 1906 to September 1947. 

Average discharge.- 41 years, 1,910 second-feet (adlusted for storage since October 1906

and diversions since 1930). 

Extremes.- Maximum discharge during year, 6,130 second-feet (regulated) May 9 (gage height,

8.65 reet); minimum, 159 cecond-feet (regulated) Oct. 18, 19 (gage height, 4.34 feet). 

1906-47: Maximum discharge, 25,600 second-feet Nov. 14, 1906 (gage height, 12.5

feet, from floodmarks); minimum, 64 second-feet (regulated) Nov. 16, 17, 1929, Dec. 4,

1936. 

Remarks. - Records good. Kittitas high-line canal diverts water above station for Irrigation. Flow oartly regulated by Keechelus, Kachess, and Cle Elum Lakes (see p. 319

Figures of daily discharge not adlusted for diversion or change in contents of lakes. 

Cooperation.- Records collected and prepared in cooperation with Bureau of Reclamation.

Rating tables, water year 1946-47 (gage height. In feet,

and discharge, In second-feet) 

(Shifting-control method used July 12 to Aug. 26)

Oct. 1 to Aug. 26 27 to Sept. 30

4.3 145 5.3 710 7.0 2,900 5.3 1,020 

4.5 220 5.6 970 7.5 3,820 5.6 1,330 

4.7 320 6.0 1,400 8.0 4,820 6.0 1,790 

5.0 490 6.5 2,090 8.5 5,900 6.5 2,440 

7.0 3,210

Discharge, in second- f sst , water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

766 

662 

602 

595 

581

567 

588 

616 

623 

616

616 

609 

616 

609 

609

609 

438 

176 

159 

180

225 

196 

220 

275 

513

871 

1,200 

1,140 

980 

595 

466

Nov.

436 

436 

436 

424 

418

418 

418 

418 

412 

424

424 

418 

430 

567 

553

518

532 

581 

588 

616

702 

1,050 

1,170 

1,200 

1,250

1,390 

1,530 

1,600 

1,610 

1,580

Month

Octo 

Nove 

Dece

Cal

Janu 

Febr 

Hare 

Apri 

May.

June 

July 

Angu 

Sept

Wat

endar year 1946

ember ...........

sr ysar 1946-47

Dec.

1,560 

1,560 

1,540 

1,560 

1,380

1, 110 

1,0£0 

1,010 

1,050 

1,210

3,440 

3,630 

4,110 

4,920 

3,820

2,730 

2,400 

2,240 

2,020 

2,020

2,090 

2,090 

2,020 

1,940 

1,940

1,870 

1,830 

1,400 

1,180 

1,130 

1,130

Jan.

1,120 

1,090 

961 

595 

532

525 

504 

484 

472 

478

478 

466 

460 

430 

448

448 

436 

442 

484 

460

436 

335 

524 

1,210 

1,520

1,730 

1,440 

1,130 

925 

782 

678

Fsb.

616 

646 

623 

574 

539

504 

490 

454 

442 

424

430 

454 

484 

574

694

790 

R35 

835 

826 

990

1,120 

1,460 

1,570 

1 , 58U 

I,c30

1,410 

1,350 

1,290

Mar.

1,250 

1,200 

1,200 

952 

638

588 

574 

560 

560 

567

595 

638 

567 

588 

718

790 

925 

1,040 

871 

1,340

1,450 

1,610 

1,570 

1,460

1,730

2,400 

2,560 

2,480 

2,400 

2,483 

2,640

Observed

Discharge in 

second-feet

Maximum

1,200 

1,610 

4,920

6,750

1,730 

1,580 

2,640 

4,110 

5,900 

2,990 

2,990 

3,140 

2,960

5,900

Minimum

159 

412 

1,010

159

335 

424 

560 

1,450 

2,240 

1,660 

2,430 

2,330 

1,020

159

Msao

565 

752

2,030

1,653

710 

840 

1,256 

2,928 

3,802 

2,159 

2,654 

2,867 

1,801

1,872

Runoff 

in 

acre-feet

34,750 

44,730 

124,800

1,197,000

43,690 

46,680 

77,240 

174,200 

233,800 

128,500 

163,200 

176,303 

107,100

1,355,000

Apr.

2,820 

2,820 

2,730 

2,640 

2,400

1,450

2,020 

2,240 

2,160 

2,240

2,320 

2,240 

2,160 

2,300 

2,480

2,640 

2,820 

3,080 

3,260 

3,540

3,820 

4,010 

3,720 

3,540 

3,440

3,440 

3,540 

3,820 

4,010 

4,110

Change 

In

contents 

(acrefeet)!

H6,790 

+6,430 

166,490

f22 6,200

h71,790 

^,950 

h75,900 

t-34, 500 

+9,400 

-28,690 

- 169,900 

-199,203 

-109fiOO

- 145POO

May

3,820 

3,820 

4,210 

4,410 

4,720

4,720 

4,920 

5,460 

5,900 

5,900

5,030 

4,210 

3,260 

2,820 

2,730

2,480 

2,240 

2,240 

2,240 

2,320

2,560 

2,900 

3,260 

3,540 

3,920

4,310 

4,610 

4,720 

4,510 

3,440 

2,640

Diversion

Kittitas 

Canal 

(acrefeet)

13,940 

0

0

245, 400

0 

0 

0 

11,860 

49,790 

44,690 

68,980 

58,450 

34,710

282,400

June

2,990 

2,820 

2,640 

2,400 

2,090

1,870 

1,730 

1,870 

2,090 

2,320

2,320 

Z,240 

2,090 

2,020 

1,940

1,870 

1,870 

1,870 

1,800 

1,660

1,660 

1,940 

2,020 

2,090 

2,160

2,400 

2,480 

2,480 

2,400 

2,640

July Aug .

2,730 

2,730 

2,730 

2,730 

2,730

2,730 

2,730 

2,730 

2,730 

2,990

2,820 

2,820 

2,830 

2,840 

2,670

2,430 

2,440 

2,520 

2,530 

2,540

2,540 

2,550 

2,560 

2,560 

2,570

2,580 

2,580 

2,590 

2,600 

2,600 

2,530

2,460 

2,390 

2,400 

2,330 

2,340

2,500 

2,500 

2,740 

2,740 

2,830

2,840 

2,840 

2,930 

2,860 

2,950

3,120 

3,130 

3,140 

3,140 

3,050

3,070 

3,080 

3,083 

3,090 

3,100

3,030 

3,040 

3,040 

3,040 

3,040 

3,040

Adjusted for 

contents and

Runoff 

in 

acre-fee

Sept.

2,960 

2,580 

2,170 

2,170 

2,170

2,170 

2,240 

2,170 

2,040 

1,910

1,790 

1,670 

1,670 

1,670 

1,670

1,730 

1,730 

1,670 

1,550 

1,500

1,500 

1,610 

1,550 

1,610 

1,610

1,550 

1,550 

1,610 

1,180 

1,020

change in 

diversion

Discharge in 

seoond-feet

* Mean

65,480 1,065 

51,160 860 

211,300 3,436

1,668,000 2,304

115,500 1,878 

107,600 1,937 

153,100 2,490 

220,600 3,707 

293,000 4,765 

144,500 2,4?8 

62,280 1,0]3 

35,550 578 

32,010 538

1,492,000 2,061

Per 

square 

mile

2.1J 

1.72 6.8"

4.61

3.76 

3.87 

4.98 

7.41 

9.53 

4. 85 

2.03 

1.16 

1.08

4.12

Runoff

inches

2.46 

1.92 

7.92

62.55

4.33 

4.03 

5.74 

8.27 

10.99 

5.42 

2.34 

1.33 

1.20

55.95

t Change In contents in Keechelus, Kachess, ani Cle Elum Lakes.
316 YAKIMA RIVER BASIN

Yakima River at Umtanum, Wash.

Location.- Water-stage recorder, lat. 46°51'45", long. 120 0 28'30", In NW^ sec. 20, T. 16 

N". , K . 19 E., at Umtanum, half a mile upstream from Umtanum Creek and 10 miles south 

of Ellensburg. Datum of gage Is 1,300.0 feet above mean sea level, datum of 1929.

Drainage area.- 1,620 square miles.

Kecoras available . - August 1906 to September 1947 (fragmentary October 1915 to March

Extremes . - Maximum discharge during year, 8,920 second-feet (regulated) DeT. 14 (gage 

height, 34.47 feet); minimum, 583 second-feet (regulated) Oct. 19 (gage height, 30.44 

feet) .

1906-47: Maximum discharge, 41,000 second-feet Nov. 15 or 16, 1906 (gage height, 

41.1 feet, from floodmarks, present datum); minimum, 138 second-feet (regulated) Oct. 3, 

1915 (gage height, 2.86 feet, datum then in use).

Remarks.- Records excellent except those for periods of ice effect or no gage-height record, 

which are good. Flow partly regulated by Keechelus, Kachess, and Cle Elum Lakes (see 

p. 319). Water diverted above station for irrigation of about 91,000 acrss.

Cooperation.- Records collected and prepared in cooperation with Bureau of Reclamation.

Rating tables, water year 1946-47, except periods of Ice effect 

(gage height, In feet, and discharge, In second-feet)

Got. 1 to July 31 Aug. 1 to Sept. 50

30.4 551 31.3 1,470 33.0 4,580 31.2 1,410 

50.6 718 31.6 1,880 33.5 5,870 31.4 1,680 

30.8 910 32.0 2,520 34.0 7,330 31.7 2,120 

31.0 1,120 32.5 3,460 34.5 8,920 32.0 2,630 

32.5 3,590

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

3O 

31

Oct.

1,390 

1,130 

1,020 

990

1,000

980 

1,010 

1,090 

1,080 

1,030

1,020 

1,010 

1,000 

1,000 

1,000

1,020 

1,010 

792 

623

607

631 

674 

631 

648 

737

1,350 

1,500 

1,640 

1,520 

1,290 

970

Nov.

870 

831 

821 

802 

783

755 

755

746 

746 

737

727 

718 

709 

783 

831

783 

744 

841 

910 

900

930 

1,060 

1,370 

1,460 

1,480

1,600 

1,810 

1,980 

2,020 

al,970

Dec.

al,940 

al,930 

al,900 

1,900 

1,840

1,590 

1,390 

1,350 

1,330 

1,520

4,910

7,030 

6,730 

8,590 

7,640

5,070 

*3,890 

3,460 

3,060 

2,870

2,870 

2,870 

2,690 

2,600 

2,620

*2,440 

2,440 

2,190 

1,820

1,660 

bl,600

Jan.

bl,600 

1,600 

1,500 

1,230 

bl,lOO

bl,000 

b950 

b950 

b950 

950

970 

930 

900 

841 

755

b750 

b750 

b750 

841 

841

802 

774 

860 

2,060 

2,960

3,360 

2,870 

2,350 

1,980 

1,750 

1,510

Feb.

1,420 

1,400 

1,420 

1,290 

1,220

1,210 

1,190 

1,130 

1,080 

1,080

1,040 

1,090 

1,360 

1,710 

2,020

2,270 

2,270 

*2,190 

2,270 

2,270

2,440 

2,690 

2,960 

3,160

3,060

2,870 

2,600 

2,440

Month

Octo 

Hove 

Dece

Ca

janu 

Febr 

Hare 

Apr!

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 .......................

Mar.

2,270 

2,190 

2,190 

2,190 

1,680

1,510 

1,450 

1,430 

1,430 

1,470

1,450 

1,480 

1,540 

1,630 

1,900

2,270 

2,87O 

3,360 

3,360 

3,670

3,890 

4,000 

3,890 

3,460

3,260

3,560 

3,890 

3,780 

3,780 

4,110 

4,460

Apr.

4 

4

4 

4

3

3 

2 

3 

3 

3

3, 

3, 

3, 

3, 

4,

4, 

4, 

4, 

5, 

5,

5, 

5, 

5, 

4, 

4,

4, 

4, 

5, 

5, 

5,

Secondfoot-days

31,393 

31,502 

95,640

926,263

41,434 

53,150 

83,420 

129,620 

154,950 

88,070 

90,710 

98,820 

67,660

966,369

460 

460 

340 

220 

890

160

870 

260 

260 

260

360 

160 

260 

670 

220

700 

700 

820 

070

330

070 

460 

070 

700 

580

460 

820 

330 

330 

330

May

5,070 

5,070 

5,460 

5,870 

6,010

6,150 

6,300 

7,180 

7,480 

7,480

6,880 

6,010 

4,940 

4,220 

3,780

3,670

3,360 

3,360 

3,360 

3,260

3,460 

3,670 

3,890 

4,220 

4,580

5,070 

5,460 

5,600 

5,600 

4,820 

3,670

Maximum

1,640 

2,O20 

8,590

9,590

3,360 

3,160 

4,460 

5,460 

7,480 

3,780 

3,260 

3,490 

3,390

8,590

June

3,780 

3,780 

3,670 

3,460 

3.16C

2,870 

2,780 

3,360 

3,560 

3,460

3,460 

3,260 

3,060 

2,960 

2,780

2,870 

2,780 

2,690 

2,600 

2,440

2,350 

2,440 

2,520 

2,350 

2,350

2,520 

2,600 

2,69O 

2,690

2,780

July

2,870 

2,960 

2,670 

2,960 

2,960

3,060 

3,060 

3,060 

2,960 

3,160

3,160 

3,060 

3,060 

3,060 

3,060

2,780 

2,690 

2,690 

2,600 

2,600

2,690 

2,690 

2,690 

2,690 

2,690

2,780 

2,960 

3,260 

3,260 

3,160 

3,160

Aug.

3,190 

3 , 000 

2,900 

2 , 900 

2,810

2.810 

2,900 

3,000 

3,100 

3,100

3,190 

3,190 

3,190 

3,190 

3,100

3,290 

3,390 

3,390 

3,390 

3,290

3,290 

3,290 

3,390 

3,490 

3,390

3,390 

3,290 

3,290 

3,190 

3,100 

3,390

Minimum Mean

607 1,013 

709 1,050 

1,330 3,085

472 2,538

750 1,337 

1,040 1,898 

1,430 2,691 

2,870 4,321 

3,260 4,998 

2,35O 2,936 

2,600 2,926 

2,810 3,188 

1,500 2,255

607 2,648

Sept.

3,390 

3,290 

2,720 

2 , 540 

2,450

2,540 

2,720 

2,810 

2,630 

2,540

2,450 

2,2OO 

2,120 

2,120 

2,120

2,120 

2,120 

2,200 

2,040 

1,920

1,910 

1,900 

1,880 

1,880 

1,900

1,940 

1,920 

1,940 

1,850 

1,500

Runoff In 

acre-feet

62,270 

62,480 

189,700

1,837,000

82,180 

105,400 

165,500 

257.1OO 

307,3OO 

174,700 

179,900 

196,000 

134,200

1,917,000

* Winter discharge measurement made on this day.

a No gage-height record; discharge computed on basis

b Stage-disoharge relation affected by ice.

f records for station at Cle Elum.
YAKIMA RIVER BASIN 317

Yakima River near Parker, Wash.

Location.- Water-stage recorder, lat. 46°29'40", long. 120°2i 

H. la K. , Just downstream from Sunnyslde diversion dam, ! 

3 miles downstream from Ahtanum Creek.

i'10", In see. P8, T. 13 N., 

t miles east of Parker, and

Drainage area.- 3,560 square miles.

Records available.- April 1908 to September 1921, October 1931 to September 1947.

Extremes.- Maximum discharge during year, 14,400 second-feet (regulated) Dec. 15, 16 (gage

 height, 10.20 feet); minimum, 27 second-feet (regulated) Aug. 30 (gage height, 0.63 

foot, result of landslide near Cle Elum).

1908-21, 1931-47: Maximum discharge, 54,300 second-feet Dec. 23, 1933 (gage height, 

15.0 feet, from floodmarks); practically no flow several days during latter part of 

Irrigation'season In most years as result of diversions.

Remarks.- Records good except those below 250 second-feet, which are fair. Diversions

 acove station for irrigation of large area. Plow partly regulated by diversions and 

by Keechelus, Kachess, Cle Elum, and Bumping Lakes, and Tieton Reservoir (see p. 319). 

Figures of daily discharge not adjusted for diversions or change in contents of reservoirs. Adjustment of monthly discharge for change in reservoir contents discontinued 

in this Water-Supply Paper.

Cooperation.- Records collected and prepared in cooperation with Bureau of reclamation 

ana urrice of Indian Affairs.

Discharge, in second-feet, water year October 1946 to September 1947

Dag

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

IB

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

437

370

151

97

86

141

197

338

302

159

108

120

116

92

134

191

280

311

255

579

706

854

838

798

1,170

1,970

2,280

2,520

2,460

2,280

1,880

NOT.

1,710

1,660

1,600

1,600

1,55^

1,500

1,500

1,550

1,400

1,400

1,400

1,350

1,350

1,350

1,500

1,500

1,400

1,550

2,280

3,420

3,260

3,260

3,480

3,630

3,630

3,630

3,940

4,260

4,260

3,940

-

Dec.

3,780

3,700

3,330

3,190

3,260

3,120

2,840

2,720

2,650

2,780

5,400

12,200

11,400

13,600

13,600

10,400

8,430

7,300

6,660

6,250

6,050

5,850

5,660

5,290

5,290

5,110

4,930

4,760

4,250

3,920

3,760

Jan.

3,840

3,760

3,450

2,700

2,450

2,510

2,450

2,270

2,220

2,270

2,220

2,160

2,050

1,940

1,470

1,570

1,940

1,940

1,940

1,830

1,720

1,670

1,620

2,260

3,920

4,760

4,420

3,760

3,230

3,020

2,700

Fab.

2,330

2,390

2,700

2,450

2,270

2,220

2,160

2,050

2,000

1,940

1,830

1,830

2,220

2,760

3,380

4,000

4,160

4,080

3,840

3,680

3,920

3,920

4,420

4,760

4,760

4,590

4,160

3,920

-

-

-

liar.

3,520

3,450

3,090

3,090

2,700

2,270

2,220

2,100

2,100

2,100

2,050

2,000

2,000

2,100

2,390

2,890

3,300

4,420

4,930

4,930

5,470

5,660

5,470

4,760

4,080

4,000

4,080

3,920

3,680

4,000

4,420

Apr.

4,590

4,420

4,160

3,760

3,380

2,820

1,720

2,050

1,880

1,520

1,380

1,100

970

1,330

2,270

3,090

3,380

3,680

4,080

4,420

4,250

4,080

3,520

3,090

2,760

3,230

3,680

4,930

5,660

5,470

-

May

4,930

4,760

5,850

6,450

6,660

6,870

7,520

8,660

9,380

8,900

7,300

6,050

4,760

3,600

2,890

2,630

2,270

2,100

2,050

2,160

2,510

3,160

3,230

3,600

4,160

5,110

5,850

6,450

6,2.50

5,470

3,840

June

3,300

3,520

3,300

2,890

2,390

2,160

1,940

2,960

3,520

3,380

2,960

2,270

1,830

1,470

1,200

1,110

1,420

1,470

1,150

80S

269

161

424

232

67

S9

355

527

327

228

-

July

228

207

136

127

184

197

251

121

113

148

580

207

236

240

870

20i

X32

122

49

175

2S1

2S2

240

200

218

£64

506

765

758

499

293

Aug.

277

76

64

159

117

119

64

174

282

194

305

305

216

68

61

135

372

325

247

115

168

232

149

232

269

243

127

142

122

195

345

S*pt.

325

626

481

116

98

75

365

538

604

460

3f&

237

62

101

207

248

210

300

240

114

66

82

77

119

197

356

181

221

260

260

-

Monthly discharge, in second-feet, 1946-47

Month

Calendar year 1946...

September. .............

Water year 1946-47...

Mean discharge in second-feet

Yakima 

River 

near 

Parker

717 

2,329 

5,856

2,650

2,583 

3,169 

3,458 

3,222 

5,014 

1,591 

255 

190 

254

2,386

Roza 

Canal 

at Mile 

2B.9

130 

0 

0

212

0 

0 

117 

430 

544 

553 

546 

495 

368

267

Union Qap 

Canal 

(estimated)

3

0 

0

16.2

0 

0 

0 

35 

40 

40 

35 

35 

30

18.2

New 

Reservation 

Canal

516

0 

0

904

0 

0 

421 

1,776 

2,053 

1,690 

1,790 

1,845 

1,236

. 949

Old 

Reservation 

Canal

4.67 

4.63

5.10

20.6

6.21 

7.98 

27.4 

65.4 

81.1 

37.4 

38.6 

15.7 

8.40

25.3

Sunnyside 

Canal

424

0 

0

637

0 

0 

188 

1,122 

1,301 

1,273 1,287' 

1,240 

992

656

Combined 

flow, 

Yakima 

River Una

1,795 

2,334 

5,861

4,440

2,589 

3,177 

4,211 

6,650 

9,033 

5,184 

3,952 

3,821 

2,888

4,302

Combined 

flow of 

Yakima 

River and 

canals 

(acre -feet)

110,400 

138,900 

360,400

3,214,000

159,200 

176,400 

258,900 

395,700 

555,400 

308,500 

243,000 

234,900 

171,800

3,114,000
318 YAKIMA RIVER BASIN

Yakima River at Kiona, Wash.

Location.- Water-stage recorder, lat. 46°15'10", long. 119°28'50", In sec. 19, T. 9 N., 

ET~27"~E., at highway bridge at Kiona, 3? miles downstream from intake of Kiona Canal 

and 25 miles upstream from mouth.

Drainage area.- 5,520 square miles.

Records available.- August 1896 to March 1915, February 1933 to September 1947.

Extremes.- Maximum discharge during year, 15,100 second-feet (regulated) Dec. 16 (gage 

height, 10.96 feet); minimum, 1,260 second-feet (regulated) July 10, Aug. 17; minimum 

gage height, 3.43 feet July 10.

1896-1915, 1933-47: Maximum discharge, 71,100 second-feet Dec. 23, 1933 (gage 

height, 21.57 feet); minimum, 105 second-feet (regulated) Sept. 11, 1906 (gage height, 

2.35 feet).

Remarks.- Records excellent except those for periods of no gage-height record, which are 

good. Water diverted above gage for Irrigation of large acreage. Plow partly regulated 

by diversions and by Keechelus, Kachess, Cle Elum, and Bumping Lakes, and Tieton Reservoir (see following page).

Cooperation.- Records collected and prepared in cooperation with Bureau of Reclamation.

Rating table, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

3.4 1,220 5.0 3.12O 8.0 8,390 

3.7 1,500 5.5 3,880 9.0 10,500 

4.0 1,810 6.0 4,690 10. 0 12,700 

4.5 2,420 7.0 6,450 11.0 15,100

Discharge, in aecond-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12

13 

14

15

16 

17 

18

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

1,860 

2,040 

2,040 

1,920 

1,810

1,700 

1,760 

1,810 

1,920 

1,920

1,860 

1,810 

1,760 

1,760 

1,700

1,760 

1,810 

1,810 

1,860 

1,860

2,040 

2,040 

a2,160 

2,290 

2,160

2,480 

3,120 

3,500 

3,640 

3,570 

3,420

Nov.

3,120 

2,900 

2,830 

2,760 

2,690

2,690 

2,620 

2,550 

2,550 

2,480

2,420 

2,360 

2,360 

2,360 

2,360

2,360 

2,420 

2,360 

2,420 

3,120

3,960 

4,040 

4,040 

4,200 

4,360

4,520 

4,690 

5,030 

5,370 

5,200

Dec.

4,860 

4,690 

4,690 

4,360 

4,200

4,360 

4,200 

3,880 

3,720 

3,640

3,640 

5,530 

10,90O 

11,800 

13,900

14,800 

13,200 

10,500 

9,200 

8,590

7,990 

7,590 

7,400 

7,210 

6,830

6,640 

6,450 

6,270 

5,910 

5,370 

5,030

Jan.

4,860 

5,030 

4,690 

4,690 

4,040

3,720 

3,640 

3,570 

3,340 

3,200

3,200 

3,200 

3,040 

2,830 

2,290

1,980 

2,160 

2,620 

2,550 

2,420

2,360 

2,220 

2,100 

2,160 

a3,100

a6,100 

a5,700 

5,370 

4,690 

4,040 

3,800

Feb.

3,420 

3,120 

3,720 

4,040

3,570

3,340 

3,270 

3,270 

3,120 

3,040

2,900 

2,900 

3,040 

3,640 

4,200

4,520

5,730 

5,550 

5,370 

5,370

5,200 

5,370 

5,370 

5,730 

6,090

6,090 

5,910 

5,370

Month

Octo 

Move 

Dece

Ca

Janu 

Febr 

Marc 

Apr! 

May.

June 

July 

Augu 

Sept

Wa

mber. ..................................

lendar year 1946

1.......................................

ter year 1946 47 .......................

Mar.

5,200 

4,860 

4,690 

4,360 

4,360

4,040 

3,570 

3,420 

3,270 

3,200

3,200 

3,200 

3,120 

3,120 

3,200

3,570

4,040 

4,360 

5,200 

5,730

6,090 

6,640 

7,020 

7,020 

6,450

5,910 

5,730 

5,910 

5,730 

5,550 

5,730

Apr.

6 

6 

6 

5 

5

5 

4 

3 

3, 

3,

2, 

2, 

2, 

2, 

2,

3, 

4, 

4,

4, 

5,

5, 

5, 

5, 

4, 

4,

4,

4,

5, 

6, 

6,

Secondfoot -day a

67,190 

97,140 

217,350

1,447,870

108,710 

122,260 

147,490 

138,130 

211,670 

112,960 

47,600 

47,120 

55,430

1,373,050

270 

270 

270 

910 

370

200 

520 

570 

500 

420

970 

830 

550 

420 

550

340 

040 

360 

860 

200

730 

550 

370 

860 

360

200 

520 

200 

090 

830

May

6,830 

6,450 

6,270 

7,210 

8,190

8,190 

8,390 

8,590 

9,620 

10,500

10,700 

9,410 

8,190 

6,830 

5,730

5,030 

4,520 

4,200 

3,960 

3,880

3,880 

4,200 

4,690 

5,200 

5,730

6,090 

6,830 

7,990 

8,390 

8,390 

7,590

Maximum

3,640 

5,370 

 14,800

15,300

6,100 

6,090 

7,02O 

6,830 

10,700 

6,270 

2,100 

1,760 

2,160

14,800

June

6,270 

5,550 

5,730 

5,550 

5,030

4,690 

4,360 

5,030 

5,910 

6,090

6,090 

5,730 

4,860 

4,200 

3,800

3,500 

3,340 

3,420 

3,270 

2,900

2,550 

2,100 

1,760 

1,810 

1,760

1,550 

1,360 

1,450 

1,650 

1,650

July

1,550 

1,450 

1,500 

1,650 

1,600

1,650 

1,650 

1,650 

1,550 

1,400

1,360 

1,400 

1,360 

1,400 

1,360

1,360 

1,400 

1,360 

1,360 

1,400

1,450 

1,650 

1,600 

1,550 

1,500

1,450 

1,400 

1,650 

1,920 

2,100 

1,920

Aug.

1,760 

1,650 

1,550 

1,400 

1,400

1,400 

1,360 

1,360 

1,450 

1,700

1,700 

1,760 

1,700 

1,700 

1,500

1,360 

1,260 

1,360 

1,500 

1,500

1,450 

1,450 

1,450 

1,500 

1,500

1,600 

1,650 

1,550 

1,500 

1,500 

1,600

Minimum Mean

1,700 2,167 

2,360 3,238 

3,640 7,011

1,360 3,967

1,980 3,570 

2,900 4,366 

3,120" 4,758 

2,420 4,604 

3,880 6,828 

1,360 3,765 

1,360 1,535 

1,260 1,520 

1,650 1,848

1,260 3,762

Sept.

1,700 

1,860 

2,040 

2,040 

1,760

1,650 

1,650 

1,860 

2,100 

2,160

2,100 

1,980 

1,860 

1,700 

1,700

1,760 

1,8$0 

1,850 

1,920 

1,920

1,810 

1,760 

1,700 

1,700 

1,700

1,760 

1,920 

1,810 

1,810 

1,980

Runoff in 

acre-feet

133,300 

192,700 

431,100

2,872,000

215,600 

242,500 

292,500 

274,000 

419,800 

224,100 

94,410 

93,460 

109,900

2,723,000

a No gage-height record; discharge computed on basis of records for station near Parker.
YAKIMA RIVER BASIN 319 

Reservoirs in Yakima River Basin, Wash.

Keechelus Lake.- Staff gage, lat. 47°19', long. 121°20', at dam on Yakitna River in Nfi£ 

sec. J.2, T. 21 N., R. HE., at outlet of Keechelus Lake, 3^ miles northwest of Martin 

and 9j miles northwest of Easton. Datum of gage is at mean sea level (Bureau of Reclamation bench mark). Records available, January 1906 to September 1947. Faximum contents observed during year, 155,910 acre-feet Apr. 20 (elevation, 2,516.27 feet); minimum observed, 35,680 acre-feet Sept. 30 (elevation, 2,452.54 feet) Maximum contents 

observed during period 1906-47, 160,570 acre-feet May 16, 1925 (elevation, 2,518.09 

feet); minimum observed, 448 acre-feet Sept. 6, 12, 13, 1906 (original crib dam); minimum elevation observed, 2,428.30 feet Sept. 20, 1926.

Reservoir is formed on natural lake by earth- and gravel-fill dam completed in 1917; 

storage began above crib dam Jan. 12, 1906, above present dam Aug. 19, 1914. To aid 

in construction and clearing of reservoir site., the water surface was kept low and 

present reservoir was not filled until June 15, 1920. Capacity, 153,000 acre-feet 

between gate sill (elevation, 2,425.00 feet), and spillway crest (elevation, 2,515.00 

feet). Records given herein represent usable contents. Water used for irrigation. 

Cage read twice daily.

Kachess Lake.- Staff gage, lat. 47°16', long. 121°12', at dam on Kachess Fiver in SW£ sec. 

34, T. 21 N., R. 13 E., at outlet of Kachess Lake and 2| miles narthwest of Easton. 

Datum of gage is at mean sea level (Bureau of Reclamation bench mark). Records available, September 1905 to September 1947. Maximum contents observed during year, 238,210 

acre-feet May 28 (elevation, 2,261.83 feet); minimum observed, 122,290 acre-feet Oct. 20 

(elevation, 2,833.79 feet). Maximum contents observed daring period 1905-47, 241,300 

acre-feet July 11, 1943 (-elevation, 2,262.51 feet); minimum observed, 525 acre-feet 

Sept. 14, 15, 1910 (original crib dam); minimum elevation observed, 2,197.73 feet Sept. 

26, 27, 1915.

Reservoir is formed on natural lake by earth- and gravel-fill dam completed in 1912. 

Original crib dam creating capacity of 21,000 acre-feet used Sept. 20, 1905 to June 30, 

1911. Storage above present dam began June 30, 1911. Capacity, 239,000 ecre-feet 

between gate sill (elevation, 2,192.75 feet) and top of spillway gate (elevation, 

2,262.00 feet). Records given herein represent usable contents. Water used for irrigation. Gage read twice daily.

Cle Elum Lake.- Staff gage, lat. 47°15', long. 121°04', at dam on Cle Elum River, in NE£ 

sec. 10, T. 20 N., R. 14 E., at outlet of Cle Elum Lake and 4 miles northvest of Roslyn. 

Datum of gage is at mean sea level (Bureau of Reclamation bench mark). Records available, May 1906 to September 1947. Maximum contents observed during year, MO,610 acrefeet May 25, 26 (elevation, 2,240.76 feet); minimum observed, 145,940 acre-feet Sept. 

30 (elevation, 2,167.98 feet). Maximum contents observed during period 1906-47, 443,700 

acre-feet May 31, 1945 (elevation, 2,241.40 feet); minimum observed, 2,380 acre-feet 

Aug. 31, 1906; minimum elevation observed, 2,114.35 feet Oct. 14, 1932. Storage was 

uncontrolled Oct. 3, 1931, to Feb. 26, 1932.

Reservoir is formed on natural lake by earth- and gravel-fill dam completed in 1933; 

storage began above present dam Feb. 26, 1932. Capacity, 436,000 acre-feet between 

gate sill (elevation, 2,110,00 feet) and top of spillway gate (elevation, 2,240.00 

feet). Records given herein represent usable contents. Water used for irrigation. 

Gage read twice daily.

Bumping Lake.- Staff gage, lat. 46°52', long. 121°18 I , at dam on Bumping River in SW£

secT aa (unsurveyed), T. 16 N., R. 12 E., at outlet of Bumping Lake, llj miles upstream 

from American River and 19 miles west of Nile. Datum of gage is at mean rea level 

(Bureau of Reclamation bench mark). Records available, June to July 1906, April 1909 

to September 1947. Maximum contents observed during year, 36,130 acre-feet May 27, 28 

(elevation, 3,427.83 feet); minimum observed, 2,570 acre-feet Oct. 16-19 (elevation, 

3,393.05 feet). Maximum contents observed during period 1906, 1909-47, 3P.840 acrefeet June 21, 22, 1925 (elevation, 3,430.55 feet); minimum observed, 1,260 acre-feet 

Feb. 12-15, 1916 (elevation, 3,391.00 feet).

Reservoir is formed on natural lake by earth-fill dam completed in 1910; storage 

began Nov. 3, 1910. Capacity, 33,800 acre-feet between gate sill (elevation, 3,389.00 

feet) and spillway crest (elevation, 3,426.00 feet). Records given hereir represent 

usable contents. Water used for irrigation. Gage read twice daily.

Tieton Reservoir - Staff gage, lat. 46°39', long. 181°07', in SWi sec. 31 (ursurveyed), 

T. 14 N., R. 14 E., on face of dam on Tieton River, at spillway, 2,000 feet upstream 

from Wild Cat Creek, at Rimrock, 1\ miles upstream from headworks of Tieton Canal, and 

22j miles southwest of Naches. Datum of gage is at mean sea level (Bureau of Reclamation bench mar-k). Records available, April 1925 to September 1947. Maximum contents 

observed during year, 200,480 acre-feet May 28 (elevation, 2,926.98 feet); minimum 

observed, 101,990 acre-feet Dec. 4 (elevation, 2,880.74 feet). Maximum contents observed during period 1925-47, 201,380 acre-feet June 21, 1937 (elevation, 2,927.33 

feet); minimum observed, 89 acre-feet Oct. 12, 1926 (elevation, 2,766.77 feet).

Reservoir is formed by earth- and gravel-fill dam completed in 1925; storage began 

Apr. 27, 1925. Capacity, 197,000 acre-feet between sill of tunnel entrance (elevation, 

2,766.00 feet) and crest of spillway gates (elevation, 2,926.00 feet). Records given 

herein represent usable contents. Water used for irrigation. Gage read twice daily.

Cooperation.- Records furnished by Bureau of Reclamation, reviewed and prepared for publication by Geological Survey.
YAKIMA RIVER BASIN

Monthly elevation and contents of reservoirs In Yaklma River Basin, Hash., water year 

October 1946 to September 1947

Date

Dec. 31.............

Calendar year 1946

Sept. 30.............

Water year 1946-47

Date

Calendar year 1946

Sept . 30 .............

Water year 1946-47

Date

Dec. 31.. ...........

Calendar year 1946

July 31 .............

Sept. 30.............

Water year 1946-47

Keechelus Lake

Elevation 

(feet)t

2,482.04 

2,489.97 

2,487.77 

2,492.47

-

2,500.85 

2,508.42 

2,515.66 

2,516.01 

2,515.65 

2,513.40 

2,494.56 

2,469.03 

2,452.64

-

Contents 

( ac re - 

feet)

80,970 

96,030 

91,710 

101,070

-

118,980 

136,480 

154,360 

155,250 

154,330 

148,670 

105,400 

59,240 

35,820

-

Change in 

contents 

during month 

(acre -feet)

+15,060 

-4,320 

+9,360

+38,780

+17,910 

+17,500 

+17,880 

+890 

-920 

-5,660 

-43,270 

-46,160 

-23,420

-45,150

Cle Elum Lake

2_,197.3l 

2,199.97 

2,201.38 

2,212.56

-

2,220.12 

2,226.24 

2,234.84 

2,239.79 

2,240.37 

2,237.16 

2,213.92 

2,183.34 

2,168.02

-

251,570 

262,060 

267,680

-

345,840 

372,910 

412,410 

435,940 

438,730 

423,360 

319,240 

198,990 

146,070

-

+10,490 

+5,620 

+45,830

+192,400

+32,330 

+27,070 

+39,500 

+23,530 

+2,790 

-15,370 

-104,100 

-120,200 

-52,920

-105,500

Tleton Reservoir

2,890.38 

2,887.69 

2,881.79 

2,886.00

-

2,890.03 

2,901.77 

2,914.50 

2,926.37 

2,926.69 

2,925.18 

2,913.99 

2,896.02 

2,884.26

-

119,760 

114,660 

103,860 

111,510

-

119,090 

142,560 

170,350 

198,930 

199,740 

195,930 

169,180 

130,810 

108,310

-

-5,100 

-10,800 

+7,650

+650

+7,580 

+23,470 

+27,790 

+28,580 

+810 

-3,810 

-26,750 

-38,370 

 -22,500

-11,450

Kachess Lake

Elevation 

(feet)t

2,237.55 

2,235.22 

2,236.59 

2,244.61

-

2,249.81 

2,253.64 

2,257.87 

2,260.13 

2,261.80 

2,260.10 

2,255.00 

2,247.29 

2,238.92

-

Contents 

(acrefeet)

136,340 

127,580 

132,710 

164,010

-

185, 5fO 

301,940 

220, 4fO 

230,5*0 

238,070 

230,410 

207, 8fO 

175,0110 

141, Sf"

-

Change in 

contents 

during month 

(acre-feet)

-8,760 

+5,130 

+31,300

-4,940

+21,550 

+16,380 

+18,520 

+10,080 

+7,530 

-7,660 

-22,560 

-32,840 

-33,430

+5,240

Bumping Lake

3,393.08 

3,395.58 

3,398.62 

3,407.68

-

3,403.07 

3,416.56 

3,426.45 

3,427.47 

3,427.47 

3,426.04 

3,417.58 

3,405.99 

3,399.08

_

2,590 

4,240 

6,320 

13,470

-

9, 63? 

22,360 

34,300 

35,650 

35,650 

33,760 

23,490 

12,000 

6,650

-

+1,650 

+2,080 

+7,150

+7 , 900

-3,840 

+12,730 

+11,940 

+1 , 350 

0 

-1,890 

-10^270 

-11,490 

-5,350

+4,060

t Elevation is mean for day.
YAKIMA RIVER BASIN 321

Kachess River near Easton, Wash.

Location.- Water-stage recorder, lat. 47°15'30", long. 121°11' 50'', in sec. 3, T. 20 N., R. 

13 K., three-quarters of a mile downstream from Kachess Lake and 2 miles northwest of 

Easton.

Drainage area.- 64 square miles.

Records available.- October 1903 to September 1947.

Average discharge.- 44 years, 278 second-feet (adjusted for storage since October 1905).

Extremes (regulated).- Maximum discharge during year, 890 second-feet May 2 (gage height, 

4.58 reetj; minimum, 0.7 second-foot Jan. 15 (gage height, 1.28 feet).

1903-47: Maximum discharge, 2,240 second-feet (computed from gate opening) Aug. 27, 

1920; no flow when gates in dam are closed.

Remarks.- Records excellent except those below 300 second-feet, which are fair. No diversion. Flow regulated by Kachess Lake (see p. 319). Record of daily discharge not 

adjusted for change in contents of Kachess Lake.

Cooperation.- Records collected and prepared in cooperation with Bureau of Reclamation.

Rating table, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

1.3 0.8 

1.5 3.0 

1.7 7.5 

2.0 25

Discharge, in second- feet.

Day

1 

2 

3 

4 

5

6

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

440 

440 

464 

480 

480

480 

480 

456 

416 

401

401 

401 

401 

378 

339

299 

253 

236 

236

236

20b 

198 

195 

195 

195

198 

198 

198 

195 

195 

156

Nov.

5.0

5.0 

4.8 

5.5 

5.5

5.5 

5.5 

5.5 

5.5 

5.5

5.2 

5.2 

5.2

-j.2 

5..0

5.0 

5.2 

6.5 

5.5 

5.5

149 

250 

250 

250 

250

250 

253 

250 

250 

250

Month

Octo 

Nove 

Dece

Cal

Janu 

Febr 

Hare 

Apri

June 

July 

Augu 

Sept

Wat

endar year 1946

ember. ..........

er year 1946-47

Dec.

25O 

250 

247 

172 

118

118 

118 

118 

77 

10

14 

24 

30 

32 

20

10

9.2 

7.2 

6.0 

6.0

4.8 

4.6 

4.0 

3.8 

3.8

4.0 

3.8 

3.6 

3,4

3.2 

3.2

Jan.

3. 

3. 

3. 

3.

3.

3. 

2. 

1. 

1. 

1.

1. 

1. 

1. 

1.

1.

1, 

2. 

2. 

1.

2. 

3. 

4.

12 

10

7. 

7. 

6. 

5. 

5. 

4.

0 

2 

0 

0 

0

0 

7 

9 

6

6

6 

5 

5 

4 

8

3 

9 

4 

2 

9

7 

0 

4

5 

5 

5

5 

0 

6

2.3 75 3.5 420 

2.6 144 4.0 620 

2.9 222 4.5 845 

3.2 312

water year October 1946 to September 1947

Feb.

3. 

4. 

4. 

3. 

3.

3. 

3. 

3. 

3. 

3.

3.

2. 

2. 

3. 

Z.

4.

4. 

4. 

4. 

5.

5.

6. 

5. 

5.

4. 

3. 

3.

8 

0 

0 

6 

4

0 

0 

0

0

o

0 

7 

4 

0 

8

2

4 

6 

0

2 

2 

0 

8 

0

8 

8 

0

Mar.

3.0 

3.6 

5.5 

5.2 

4.0

4.0 

3.4 

3.0 

3.0 

3.6

5.2 

5.2 

5.0 

5.2 

5.2

5.5 

5.5 

5.5 

5.8 

5.8

5.8 

6.2 

6.2 

5.8 

243

420 

412 

412 

409 

412 

412

Observed

Discharge in 

second-feet

Maximum

480 

253 

250

L.240

12 

6.2 

420 

620 

710 

665 

845 

732 

642

845

Minimum

156 

4.8

3.2

1.9

.8 

2.4 

3.0 

322 

375 

302 

3.8 

164 

6OO

.8

Mean

318 

83.6 

54.1

351

3.59 

3.96 

91.5 

396 

509 

445 

449 

557 

613

295

Runoff 

in 

acre-feet

19,530 

4,980 

3,330

254,400

221 

220 

5,630 

23,580 

31,310 

26,470 

27,630 

34,240 

36,490

213,600

Apr.

409 

409 

401 

409 

409

409 

401 

397 

397 

393

393 

390 

390 

339 

322

332 

336 

350 

364

378

382 

382 

390 

386 

382

382 

390 

405 

540

620

Hay

620 

620 

665 

665 

665

665 

688 

688 

710 

688

688 

642 

477 

375 

375

375 

378

382 

382 

386

390 

390 

390 

390 

393

393 

397 

332 

492 

492 

492

Change in

in 

Kachess 

Lake 

(acre-feet)

-8,760 

+5,130 

+31,300

-4,940

|

:

21,550 

16,380 

18,520 

10,080 

h7,530 

7,660 

2,560 

2,240 

53,430

+5,240

June

492 

492 

488 

488 

484

480 

480 

480 

420 

390

330 

390 

390 

386 

382

343 

312 

312 

309 

302

322 

339 

336 

409 

520

620 

642 

C42 

642 

665

July

755 

755 

755 

800

845

845 

845 

615 

245 

4.O

3.8 

3.8 

3.8 

245 

496

46O 

46O 

460 

460 

460

460 

460 

460 

460 

460

432 

420 

382 

322 

286 

271

Aug.

219 

177 

164 

166 

253

326 

353 

520 

620 

642

665 

665 

665 

665 

665

665 

665 

665 

688 

732

732 

732 

710 

665 

642

600 

600 

600 

600 

600 

600

Sept.

6OO 

600 

600 

600 

600

600 

600 

600 

600 

600

600 

600 

600 

600 

600

600 

600 

600 

600 

600

620 

642 

642 

642 

642

642 

642 

642 

642 

642

Adjusted for change in 

reservoir contents

Runoff 

in 

acre-feet

10,770 

10,110 

34,630

249,400

21,770 

16,600 

24,150 

33,660 

38,840 

13,810 

5,070 

1,400 

3,060

218,900

Discharge in 

seocnd-feet

Per 

Mean square 

mile

175 2.73 

170 2.65 

563 8.80

345 5.39

354 5.53 

299 4.67 

393 6.14 

566 8.84 

632 9.88 

316 4.94 

82.5 1.29 

22.8 .356 

51.4 .803

302 4.72

Runoff

incbes

3. IS 

2.96 

10.15

73.07

6.38 

4.86 

7.08 

9.83 

11.38 

5.51 

] .49 

.41 

.90

64.14
322 i'AKIMA RIVER BASIN

Cle Elum River near Roslyn, Wash.

Location.- Water-stage recorder, lat. 47°14'OQ", long. 121°03'3Q", in SW^ sec. 11, T. 20 

 N. , K. 14 E., 1,000 feet downstream from dam at Cle Elum Lake and 4 miles northwest of 

Roslyn.

Drainage area.- 202 square miles.

Records available.- October 1903 to September 1947.

Average discharge.- 44 years, 886 second-feet (adjusted for storage since January 1905).

Extremes (regulated).- Maximum discharge during year, 4,450 second-feet May 9 (gage 

height, 10. k!3 feet); minimum, 22 second-feet Oct. 31 (gage height, 3.84 feet).

1903-47: Maximum discharge, 18,700 second-feet Nov. 15, 1906 (gage height, 14.05 

feet); no flow at times when gates in dam are closed.

Remarks.- Records excellent. No diversion above station. Flow partly rerulated by Cle 

Elum Lake (see p. 31^). Figures of daily discharge not adjusted for change in contents of Cle Elum Lake.

Cooperation.- Records collected and prepared in cooperation with Bureau of Reclamation.

Rating table, water year 1946-47 (gage height, in feet, 

and discharge, in second-feet)

3.9 26 4.7 157 6.0 71O 8.0 2,120 

4.1 43 5.0 261 6.5 1,010 8.5 2,570 

4.3 68 5.3 380 7.0 1,360 9.0 3,070 

4.5 105 5.6 505 7.5 1,720 10.0 4,210

Discharge, in second-feet, water year October 1946 to September 19*7

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24

25

25 

27 

28 

29 

30 

31

Oct.

432 

432 

432 

432 

432

432

436 

428 

432 

436

432 

432 

436 

436 

436

436 

176 

37 

38 

38

38 

37 

38 

37 

38

38 

38 

38 

38 

38 

36

Nov.

38 

38 

38 

37 

38

38 

38 

38 

38

37

37 

35 

128 

316 

320

324 

328 

328 

328 

404

460 

4SO 

464 

464 

464

464 

464 

464 

464 

464

Month

Ooto 

Hove 

Dece

Cal

Janu 

Febr 

Hare 

Apri

tfnv

June 

July 

Augu 

Sept

Wat

endar year 1946

ember ...........

er year 1946-47

Dec.

464 

464 

464 

464 

386

Z60 

261 

261 

£57 

261

300 

280 

284 

288 

292

292 

292 

292 

292 

402

500 

505 

505 

505 

510

510 

510 

510 

510 

510 

510

Jan.

510 

510 

325 

124 

122

117 

117 

117 

117 

fl!7

f!05 

107 

112 

115 

115

115 

115 

112 

112 

72

28 

34 

42 

41 

40

39 

40 

39 

38 

38 

38

Feb.

37 

36

36 

36 

36

35 

34 

34 

39 

64

85 

110 

157 

220 

277

300 

269 

f209 

f432 

460

492 

514 

532 

555 

580

595 

605

610

Mar.

610 

610 

605 

375 

37

50 

57 

57 

55 

54

44

57 

57 

53 

51

50 

47 

f42 

h45 

h52

h52 

h46 

h45 

h38 

hl57

h686 

hi, 040 

hi, 010 

hi, 010 

h980 

hi, 010

Observed

Discharge in 

second-feet

Maximum

436 

464 

510

3,970

510 

610 

1,040 

2,160 

4,210 

2,570 

2,670 

2,390 

2,160

4,210

Minimum

36 

35 

257

27

28 

34 

37 

830 

1,760 

1,640 

2,300 

2,160 

416

28

Mean

246 

£52 

392

779

118 

264 

293 

1,315 

2,775 

1,905 

2,383 

2,230 

1,136

1,116

Runoff 

in 

acre-feet

15,140 

14,990 

24,080

563,600

7,290 

14,660 

18, OJO

78,£SO 

170,600 

113,400 

146,500 

137,100 

67,580

807,600

Apr.

hi, 040 

hi, 040 

hi, 040 

hi, 040 

hi, 010

hi, 010 

hi, 010 

hl,01u 

hi, 010 

hi ,010

fl,010 

1,010

1,010 

965 

830

830 

830 

860 

830 

860

1,330 

2,080 

2,080 

2,040

2,080

£,080 

2,080 

2,1£0 

2,120 

2,160

Hay

2,210 

2,260 

2,480 

2,770 

3,180

3,070 

3,180 

3,730 

4,210 

4,090

3,620 

2,960 

2,260 

2,120 

2,120

1,900 

1,760 

1,760 

1,760 

1,760

1,880 

2,160 

2,480 

2,870 

3,180

3,620 

3,850 

3,970 

3,730 

2,680 

2,390

Change in

contents in 

Cle Elum 

Lake 

(acre-feet)

+10,490 

+5,620 

+45,830

+192,400

+32,330

+27,070 

+39,500 

+23,530 

+2,790 

-15,370 

-104,100 

-120,200 

-52,920

-1U5.500

June

2,570 

2,480 

2,300 

2,120 

1,920

1,720 

1,640 

1,680 

1,760 

1,880

1,880 

1,840

1 , 8uO 

1,760 

1,720

1,720 

1,720 

1,720 

1,720 

1,680

1,760 

1,800 

1,840 

1,840 

1,920

2,000 

2,040 

2,040 

2,080 

2,210

July

2,3OO 

2,300 

2,300 

2,300 

2.3CO

2,3CO 

2.3CO 

2.3CO 

2,390

2,670

2,670 

2,570 

2,670 

2,670 

2.3EO

2.3CO 

2,3CO 

2.3CO 

2,390

2,300

2 , 300 

2,300 

2,300 

2 , 300 

.2,390

2,390 

2,300 

2,390 

2,390 

2,390 

2,390

Aug.

2,260 

2, ISO 

2,160 

2,160 

2,160

2,160 

2,160 

2,300 

2,160

2,160

2,160 

2,160 

2,130

c,i.;o

2,160

2,330 

2,390 

2,390 

2 , 300 

2,300

2,300 

2,300 

2,300 

2,300 

2,230

2,210 

2,210 

2,210 

2,210 

2,210 

2,210

Sept.

2,160 

1,76O 

1,460 

1,460 

1,460

1,460 

1,460 

1,400 

1,260 

1,220

1,080 

1,010

1,01L> 

1,120 

1,080

1,120 

1,120 

1,040 

920 

920

920 

920 

950 

980 

380

980 

980 

980 

444 

416

adjusted for change li. 

reservoir contents

Runoff 

in 

acre-fee

Discharge in 

second-feet

. Per 

1 M ;an square 

mile

25,630 417 2.06 

20,610 346 1.71 

69,910 1,137 5.63

755,900 1,044 5.17

39,620 644 3.19 

41,730 751 3.72 

57,510 935 4.63 

101,800 1,711 8.47 

173,400 2,820 14.0 

98,030 1,647 8.15 

42,400 690 3.42 

16,900 275 1.36 

14,660 246 1.22

702,200 970 4.80

Runoff

inches

2.38 

1.91 

6.49

70.16

3.68 

3.87 

5.34 

9.45 

16.10 

9.10 

3.94 

1.57 

1.36

65.19

f Computed on basis of partly estimated 

h Computed from staff-gage readings.

age-height record.
YAKIMA RIVER BASIN 323

Teanaway River near Cle Elura, Wash.

Location.- Water-stage recorder, lat. 47°12', long. 120°47', in Sw£ sec. 25, T. 20 N., R.

 IB E., 4 miles upstream from mouth and 8 miles east of Cle Elum.

Drainage area.- 200 square miles.

Records available - October 1946 to September 1947. April 1909 to September 1914, chain 

gage at site a-J miles downstream.

Extremes.- Maximum discharge during year, 3,170 second-feet Dec. 11 (gage height, 35.25

 1'eet); minimum, 3.5 second-feet Aug. 29 (gage height, 31.10 feet).

1909-14, 1946-47: Maximum discharge observed, 4,030 second-feet Mar. 20, 1910 

(gage height, 7.20 fee't, site and datum then in use); minimum observed, 1 second-foot 

Aug. 6, 1914 (gage height, 2.17 feet, site and datum then in use).

Remarks.- Records good except those for periods of ice effect or no gage-height record,

 which are poor. Small diversions in Teanaway Valley for irrigation. No regulation.

Rating table, water year 1946-47, except periods of Ice effect

(gage height, In feet, and discharge, In second-feet)

(Shifting-control method used Oct. 2 to Dec. 1O)

31.1

31.3

31.5

31.7

3.5

12

32.0

32.3

32.6

33.0

90

153

234

377

33.4

34.2

34.6

35.0

588

1,260

1,770

2,530

Discharge, in second-feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

a21

21

20

22

24

22

26

28

25

23

23

22

22

21

22

23

23

23

23

31

57

54

66

94

356

299

211

168

144

124

113

Nov.

Ill

96

88

87

88

90

92

90

87

85

76

73

7O

67

66

61

66

88

107

90

88

88

90

83

85

111

117

128

122

111

-

Dec.

109

101

98

103

117

130

135

132

135

281

2,170

1,190

1,910

2,330

2,250

891

608

488

432

382

344

325

285

265

250

234

*222

194

170

160

150

Jan.

165

160

160

155

155

165

160

160

160

165

170

180

170

160

155

*145

130

117

120

117

117

135

340

891

778

882

682

533

452

400

356

Month

October .......................

Deceober .................. ...

Calendar year .........

January .......................

February ......................

March .........................

April .........................

May ................... .......

June ..........................

July ..........................

August .....................

September .....................

Water year 1945-47 ..........

Feb.

340

330

310

?90

280

268

262

259

250

246

234

240

259

373

533

588

*588

538

570

533

533

570

725

842

763

661

564

494

_

_

-

Secondfoot-days

2 151

2^701

16,591

-

8,635

12,493

23,668

24,869

21,643

6,289

1,070.3

243.4

600 . 1

120,953.8

Mar.

437

422

422

404

373

352

340

332

340

352

361

373

418

533

755

1,010

,350

,530

,550

,550

,530

,510

,220

959

801

632

608

595

641

959

959

Maximum

356

128

2,330

-

891

842

1,550

1,290

1,290

390

88

16

26

2,330

 Apr.

908

817

748

682

538

521

472

472

478

488

467

467

641

996

1,290

1,210

1,180

1,150

1,110

1,010

850

779

748

748

801

934

1,150

1,240

1,050

874

May

793

l.OSO

1,090

959

942

996

1,240

1,290

1,000

763

654

647

634

545

488

483

457

432

437

516

588

570

539

564

603

647

654

623

510

472

437

Minimum

20

61

98

-

117

234

332

467

432

98

4.6

3.9

9.1

3.9

June

390

373

332

306

279

262

259

332

310

272

243

£31

217

205

186

189

200

192

176

160

142

130

126

113

113

111

120

115

107

98

Mean

69.4

90.0

535

-

279

446

763

829

698

210

34.5

7.85

20.0

331

July

88

87

30

68

62

67

64

60

57

54

50

46

36

31

23

19

17

14

12

9.1

6.8

3.8

6.1

5.4

4.6

6.5

10

20

24

18

18

Per 

square 

mile

0.347

.450

2.69

-

1.40

2.23

3.82

4.14

3.49

1.05

.172

.039

.100

1.66

Aug.

16

K

12

11

t

£

1C

1]

£

£

.2

.6

.5

.6

7.7

£

-

6

.2

.2

.5

6.5

5.5

t

e

6

.8

.5

.1

5.7

5.4

5

6

6

.0

.5

.5

5.7

5.0

4

2

1

a .

.2

.9

.9

.6

13

Sept.

12

12

9.1

11

11

12

17

18

23

25

25

24

22

21

21

22

26

26

26

24

23

20

20

20

21

24

23

21

19

Runoff

Inches

C.40

.50

- 3.09

-

1.61

2.32

4.40

4.62

4.02

1.17

.20

. 4

.11

22.49

Acre-feet

4,270

5,360

32,910

_

17,130

24,780

46,940

49,330

42,930

12,470

2,120

483

1,190

239,900

Peak discharge.- Dec. 11 (10:50 a.m.) 5.170 sec.-ft.; 14 (2:20 a.m.) 2,900 se?.-ft.

* Winter discharge measurement made on this day. 

a No gage-height record; discharge computed on basis of records for Chiwawa River near Plain. 

Notf - Stage-discharge relation affected by ice Dec. 29 to Jan. 16, Jan. 19, Feb. 1-5, 9, (nc 

gage^fielght record Dec. 30 to Jan. 15; discharge computed on basis of weather records).
324 YAKIMA RIVER BASIN

Naches River below Tieton River, near Naches, Wash.

Location.- Water-stage recorder, lat. 46°44'40", long. 120°46'00", in SW&IE^ sec. 36, T. 

15 M., R. 16 E., half a mile downstream from Wapatox power canal, three-quarters of a 

mile downstream from Tieton River, and 3-j miles northwest of Naches. Datum of gage 

Is 1,550 feet above mean sea level.

Drainage area.- 943 square miles.

Kecpras available.- August to October 1905, November 1908 to October 1912, and May 1915 

to September 1947 la reports of Geological Surrey. September 1905 ard October 1908 to 

September 1912 (mean monthly discharge) In State Water-Supply Bulletin 5.

Average discharge.- 35 years (1908-12, 1916-47), 1,603 second-feet (adjusted for dlverslons by seiah Valley and Tieton Canals since 1909, city of Yaklma at Oak Flat since 

1935, and by Wapatox Canal since 1936, and for change In contents In Bumping Lake 

since November 1910, arid In Tieton Reservoir since October 1924).

Extremes.- Maximum discharge during year, 5,610 second-feet (regulated) May 8 (gage 

height, 14.60 feet); minimum, 14 second-feet (regulated) Oct. If.

1905, 1908-12, 1915-47: Maximum discharge, 32,200 second-feet Dec. 22, 23, 1933 

(gage height, 14.33 feet, site and datum then-in use); minimum, 1 second-foot Nov. 7, 

1942, and many days during winter of 1943-44, result of regulation ard diversion.

Remarks.- Records excellent except those below 100 second-feet, which are fair, and those 

ror periods of Ice effect, which are poor. Flow regulated by Bumping1 Lake and Tieton 

Reservoir (see p.319), by diversion at Oak Flat for supply of city of Yaklma, and by 

diversion of Selah Valley, Tieton, and Wapatox Canals. Small unmeasured diversions 

for Irrigation above station. Figures of dally discharge not adjusted.

Cooperation.- Records collected and prepared In cooperation with Bureau of Reclamation, 

inrormation concerning municipal diversion at Oak Flat, which Is very small in relation to flow past station, furnished by water superintendent of city of Yaklma.

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25 

26 

26 

27 

28 

29 

30 

31

Oct.

300 

254 

106 

92 

152

135 

159 

159 

109 

28

27 

25 

25 

24 

24

24 

24

20 

14 

16

128 

104 

92 

52 

140

333 

201 

121 

156 

154 

75

Nov.

62 

124 

121 

101 

92

79 

71 

58 

51 

42

34

28 

27 

23 

26

24

28 

357 

969 

1,540

1,410 

1,380 

1,290 

1,320 

1,320

1,320 

1,340 

1,420 

1,240 

1,010

Month

Octo 

Hove 

Dece

Cal

Janu 

Febr 

Hare 

Apri

Maw

June 

July 

Augu 

Sept

Wat

endar year 1946

ember. ..........

er year 1946-47

Dec.

970 

824 

542 

564 

609

641 

657 

625 

593 

609

2,880 

3,300 

3,970 

4,370 

3,680

*3,030 

2,420 

2,330 

2,170 

2,010

1,930 

1,820 

1,730 

1,660 

1,580

1,550 

1,520 

1,420 

1,420 

1,340 

1,410

Jan.

1,420 

1,340 

1,050 

725 

b750

*b77O 

768 

750 

742 

725

657 

601 

b440 

b29O 

b270

b260 

b240 

b220 

b2OO 

b!80

b!60 

143 

178 

494 

520

641 

527 

413 

379 

353 

249

Feb.

230 

467 

454 

353 

309

3OO 

257 

234 

23O 

198

162 

178 

347

527 

725

787 

796 

768 

*73I 

682

641 

649 

768 

1.15O 

1.21O

1,180 

1,060 

970

Mar.

815 

699 

633 

507 

384

333 

304 

287 

274 

242

198 

165 

175 

230 

379

6O9 

1,210 

1,850 

2,090 

2,170

2,170 

2,170 

1,850 

1,560 

1,310

1,100 

930 

833 

872 

1,060 

1.23O

Observed

Discharge 

second f

Maximum

333 

1,540 

4,370

6,870

1,420 

1,210 

2,170 

4,070 

5,610 

3,400 

1,010 

940 

184

5,610

Minimum

14 

23 

542

14

143

162 

165 

725 

2,580 

950 

665 

168 

60

14

in 

set

Mean

106 

564 

1,748

1,254

531 

584 

924 

1,910 

3,911 

1,891 

827 

494 

110

1,138

Ru

a

f

10ff

in ^reset

6,490 

33,530

1O7 , 50O

907,600

32,640 

32,460 

56,800 

113,700 

240,500 

112,500 

50,870 

30,380 

6,550

823,900

Apr.

1,320 

1,340 

1,320 

1,220 

1,120

1,000 

930 

911 

872 

843

768 

725 

843 

1,210 

1,930

2,250 

2,420 

2,580 

2,580 

2,580

2,330 

2,170 

2,090 

2,010 

2,250

2,760 

3,210 

3,880 

4,070 

3,780

Change 

in contents in 

Bumping 

Lake and 

Tieton Reservoirs

-3,450 

-8,720 

+14,800

+8.55O

+3,740 

+36,200 

+39,730 

+29,930 

+810 

-5,700 

-37,020 

-49,860 

-27,850

-7,39O

May

3,400 

3,880 

4,470 

4,470 

4,370

4,470 

5,080 

5,610 

5,190 

4,370

3,780 

3,500 

3,300 

3,030 

2,850

2,850 

2,760 

2,670 

2,580 

3,030

3,300 

3.59O 

3,590 

3,680 

3,970

4,470 

4,980 

5,190 

4,770 

4.27O 

3,780

Diversions 

by Tieton, 

Selah valley, and 

Wapatox 

Canals and 

city of 

Yaklma

31,840 

31,070 

31,500

513,000

24,660 

20,820 

24,700 

44,340 

60,380 

57,790 

57,820 

56,580 

52,580

494.1OO

June

3,400 

3,120 

2,670 

2,420 

2,17O

2,170 

2,330 

2,940 

3,030 

2,760

2,250 

1.91O 

1,790 

1,660 

1,510

1,520 

2,090 

2.01O 

1,700 

1,410

1,240 

1,410 

1,380 

1,170 

1,090

1,180 

1,280 

1,160 

1,010 

950

JUIT

1,010

1,000 

980 

940 

921

891 

862 

768 

872 

901

833 

843 

833 

806 

778

733 

725 

725 

8O6 

921

872 

852 

806 

806 

759

768 

768 

733 

778 

690 

665

Aug.

665 

750 

891 

940 

94O

940 

852 

891 

852 

796

682 

556 

461 

390 

454

500 

474 

3O9 

238 

238

266 

242 

294 

346

175

168 

17B 

175 

201 

249 

2O5

Sept.

106 

77 

77 

73 

81

124 

168 

184 

152 

135

104 

92 

106 

162 

175

132 

90 

79 

71 

67

60 

79 

141 

135 

171

145 

73 

94 

75 

73

Adjusted for change in reservoir contents and diversions

Runoff 

in 

acrefeet

34,880 

55,880 

153,800

1,430,000

61,040 

89,480 

121,200 

188,000 

301,700 

164,600 

71,670 

37,100 

31,280

1,311,000

I f.scharge in 

second-feet

Per 

Mean square 

mile

567 0.601 

939 .996 

2,501 2.65

1,975 2.09

993 l.OE 

1,611 1.71 

1,971 2.09 

3,159 3.35 

4,907 5.20 

2,766 2.93 

1,166 1.24 

603 .639 

526 .558

1,810 1.92

Runoff

inches

0.69 

1.11 

3.06

28.42

1.21 

1.78 

2.41 

3.74 

6.OO 

3.27 

1.43 

.74 

.62

26.06

* Winter discharge measurement made on this day. 

b Stage-discharge relation affected by ice.
YAKIHA RIVER BASIN 325

Bumping River near Nile, Wash

Location.- Water-stage recorder, lat. 46°52', long. 121°18' , a quarter of a mile downstream

from spillway of Bumping Lake Dam and 19 miles west of Nile, Yakima County. 

Drainage area.- 68 square miles.

Records available.- June to July 1906, April 1909 to September 1947. 

Average discharge . - 38 years (1909-47), 282 second-feet (adjusted for storage since November

Extremes (regulated) .'- Maximum discharge during year, 1,140 second-feet May 28 (gage height,

4.34 reet); minimum, 5.0 second-feet Feb. 7-12 (gags height, 1.00 foot).

1906, 1909-47: Maximum discharge, 5,180 second-feet Dec. 29, 1917 (gage height, 9.33

feet); practically no flow when gates in outlet conduit are closed. 

Remarks . - Records good except those for period of shifting control, which are fair. No diversion. Flow regulated by Bumping Lake (see p. 319). Figures of daily discharge not

adjusted for change in contents of Bumping Lake . 

Cooperation.- Records collected ana* prepared in cooperation with Bureau of Reclamation.

Rating table, water year 1946-47, except period of shifting control 

(gage -height, In feet, and discharge, In second-feet)

1.1 9 

1.3 20 

1.5 37 

1.7 59

Discharge, in second- feet.

Day

1 

z

3

4 

5

6 

7 

8 

9

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

52 

51 

49 

51 

54

53 

55

57 

57 

53

52 

51 

49 

48 

47

47 

45 

45 

46 

73

117 

128 

131 

131 

166

190 

187 

184 

175 

172 

118

Nov.

200 

175 

166 

155 

138

126 

117 

106 

100 

90

85 

78 

76 

75 

72

67 

80 

183 

259 

267

270 

274 

270 

267 

263

259 

278 

301 

309 

309

Month

Ooto 

Nova 

Dece

Cal

Janu 

Febr 

Maro 

Apri

June 

July 

Augu 

Sept

Wat

endar year 1946

uary

sober. ..........

er year 1946-47

Dec.

305 

297 

289 

293 

305

301 

282 

278 

278 

274

370 

429 

429 

386 

349

366 

378 

378 

374 

374

370 

366 

362 

358 

353

349 

345 

341 

337 

333 

333

Jan.

345 

362 

349 

345 

337

333 

325 

329 

341 

337

33^ 

317 

337 

317 

h263

f255 

248 

248 

237 

223

213 

206 

206 

92 

15

12 

9.0 

9.0 

7.8 

8.2 

8.2

2.0 110 3.4 675 

2.3 190 3.8 920 

2.6 297 4,.3 1,300 

3.0 465

water year October 1946 to September 1947

Feb.

14 

20 

7.4 

6.6 

5.8

5.8 

5.4 

5.0 

5.0 

5.0

5.0 

7.0 

9.0 

12 

10

10 

9.5 

9.0 

9.0 

8.6

8.6 

9.0 

9.0 

9.0 

9.5

9.0 

9.0 

9.5

Observed

Discharge in 

second-feet

Maximua

190 

309 

429

1,550

362 

20 

131 

820 

1,140 

760 

438 

289 

282

1,140

Minimus

45

67 

274

28

7.8 

5.0 

7.4 

210 

592 

407 

270 

270 

124

5.0

Mean

88.2 

180 

341

349

225 

8.63 

16.9 

. 430 

843 

535 

358 

276 

171

291

Mar.

9.0 

8.6 

9.0 

8.6 

8.6

8.2 

8.2 

7.8 

8.2 

8.6

7,8 

7.4 

7.4 

8.2 

S.6

10 

12 

14 

16 

A?

19 

20 

20 

19 

19

19

18 

18 

19 

30 

131

Runoff 

in 

acre-feet

5.42C 

10,73C 

20,990

252 , 300

13,820 

479 

1,040 

25,570 

51,810 

31,820 

22,000 

16,980 

10,150

210,800

Apr.

230 

270 

289 

286 

270

252 

241 

234 

230 

234

216 

210 

220 

270 

358

442 

520 

576 

631 

664

620 

565 

525 

505 

510

535

620 

730 

820 

820

May

748 

820 

920 

920 

920

955 

1,060 

1,140 

1,020 

920

790 

760 

708 

653 

620

620 

620 

592 

592 

670

742 

790 

790 

850 

920

1,020 

1,100 

1,100 

955 

955 

850

Change in 

contents In

Bumping 

L<ske 

(acrefeet)

+1,650 

+2,080 

+7,150

+7 , 900

-3,840 

+12,730 

+11,940 

+1,350 

0 

-1,890 

-10,270 

-11,490 

-5,350

+4,060

June

760 

702 

631 

592 

570

592 

626 

730 

724 

675

587 

535 

520 

490 

465

510

582 

560 

495 

438

407

407 

447 

434 

429

429 

429 

424 

420 

434

July

438 

434 

434 

434 

416

420 

420 

420 

420 

416

416 

416 

416 

399 

349

345 

337 

337 

337 

341

341 

301 

282 

274 

270

270 

282 

289 

282 

278 

278

Aug.

270 

270 

274 

270 

270

270 

274 

285 

286 

286

286 

286 

289 

289 

286

232 

278 

278 

274

270

270 

274 

278 

274 

270

270 

270 

270 

270 

270 

270

Sept.

270 

274 

274 

270 

282

 270 

270 

252 

187 

163

138 

136 

133 

133 

133

131 

131 

131 

131 

126

126 

131 

131 

133 

128

126 

124 

124 

128 

131

Adjusted for change In 

reservoir contents

Runoff 

in 

acre-feet

7,070 

12,810 

28,140

260,200

9,980 

13,210 

12,980 

26,920 

51,810 

29,930 

11,730 

1,490 

4,800

214,900

Discharge in 

second-feet

Per 

Mean square 

Bile

115 1.6£ 

215 3.16 

458 6.74

359 5.2£

162 2. 36 

238 3.5C 

211 3. 1C 

452 6.65 

843 12.4 

503 7-. 4C 

191 2.81 

89.3 1.31 

80.7 1.19

297 4.37

Runoff

inches

1.95 

3.53 

7.76

71.74

2.75 

3.64 

3.58 

7.42 

14.29 

8.25 

3.23 

1.51 

1.32

59.23

f Computed on basis of partly estimated gage-height record.

h Computed from staff-gage reading.

Note.- Shifting-control method used Mar. 31 to Sept. 24.
326 YAKIMA RIVER BASIN

American River near Nile, Wash.

Location. - Water-stage recorder, lat. 46°58'30", long. 121°10'10", in SW^ sec. 12, T. 17 

N., R. 13 E., 300 feet upstream from Bumoing Lake road crossing, three-quarters of a 

mile upstream from mouth, and 16 miles northwest of Nile. Datum of gage is 2,700.0 

feet above mean sea level (Washington State Highway Department bench mark).

Drainage area.- 79 square miles.

Records available.- April 1909 to September 1911, July 1913 to September 1915 (fragmentary), October 1939 to September 1947.

Extremes.- Maximum discharge during year, 1,020 second-feet May 8 (gage height, 74.73 

 feet); minimum, 43 second-feet Oct. 18 (gage height, 72.08 feet).

1909-11, 1913-15, 1939-47: Maximum discharge observed, 1,580 seccnd-feet June 2,

1909 (gage height, 4.55 feet, datum then in use), from rating curve extended above

750 second-feet; minimum, 20 second-feet Nov. 22, 1940.

Remarks.- Records good except those for periods of ice effect, which are fair. No dlversion or regulation.

Cooperation.- Records collected and prepared in cooperation with Bureau of Reclamation.

Rating table, water year 1946-47, except periods of ice effect 

. (jjage height, in feet, and discharge, in second-feet) 

(Shifting-control method used Aug. 30 to Sept. 3O)

72. Z 57 73.2 283 

72,4 86 73.5 386 

72.6 123 74.0 601 

72.9 195 74.7 99O

Discharge, in second-feet, water year October 1946 to September

Day

1 

2 

3 

4

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

. 30 

31

Oct.

49 

49 

49

El 

55

 53 

52

53 

5O 

50

49 

47 

46 

45 

45

45 

45 

44 

44

76

125 

101 

96 

91 

162

172

130 

107 

96 

91 

88

Nov.

86 

82 

77 

72 

70

71 

71 

68 

67 

67

64 

63

55 

56 

57

53 

58 

204 

329 

223

172 

117 

145 

152 

145

147 

185

206 

177

Dec.

162 

164 

164 

203 

229

220 

201 

187 

174 

169

459 

536 

641 

730

651

*492 

390 

342

312 

296

274 

252 

229 

215 

203

192 

182 

152 

b!47 

b!45 

b!43

Jan.

141 

132 

b!25 

b!20 

bl!8

bl!4 

*bl!2 

b!09

109 

115

111 

103 

101 

96

b96

b95 

94 

91 

89 

86

84 

83 

96 

185

179

190 

167 

b!45 

b!43 

b!40 

b!52

Feb.

b!62 

b!62 

b!58 

bl50 

143

141 

134 

125 

123 

121

117 

141

206 

265 

302

296 

286 

277 

264 

252

*240 

235 

238 

246 

240

232 

212 

203

M +h SecondMonth foot-days

Goto 

Move 

Dece

Ce

Jami 

Febr 

Marc 

Apri 

May 

June 

July 

Augu 

Sept

Wa

mber ......................

lendar year 194 

ary

 - 1

1

enber .....................

2,256 

3,582 

8,856

34,906

3,721 

5,674 

7,635 

12,098 

31,475 

12,173 

5,175 

2,152 

1,709

ter year 1946-47 .......... 86,506

Mar.

192 

190 

185 

172 

164

157 

150 

145 

145 

143

138 

134 

134

150 

177

212 

271 

S22 

353 

386

406 

417 

394 

360 

335

312 

289 

283 

289 

315 

315

Maximum

172 

329 

730

1,300

190 

302 

417 

703 

990 

587 

261 

96 

78

990

Apr.

315 

312 

299 

289 

274

258 

249 

243

235 

223

215 

209 

240 

299 

394

454 

496 

527 

554 

554

505 

470 

450 

450 

470

505 

578 

677 

703

561

May

573 

703 

813 

785 

785

785 

930 

990 

871 

703

606 

578 

550 

514 

492

488 

492 

470 

475

536

626 

677 

651 

703 

757

842 

930 

930 

813 

730 

677

Minimum

44

53 

143

44

83 

117 

134 

209 

470 

238 

98 

53 

47

44

June

587 

536 

488 

458 

446

462 

496 

578 

545 

496

425 

406 

406 

382 

356

394 

536 

458 

386 

335

305 

299 

318 

325 

339

322 

325 

280 

246 

238

1947

July

204 

261 

258 

232

229

232 

220 

206 

195 

192

190 

203 

190 

182 

179

164 

150 

147 

145 

136

"127 

119

113 

109 

105

113

113 

115 

111 

101 

98

Per 

Mean square 

mile

72.8 0.922 

119 1.51 

286 3.62

287 3.63

120 1.52 

203 2.57 

246 3.11 

403 5.10 

693 8.77 

406 5.14 

167 2.11 

69.4 .878 

57.0 .722

237 3.00

Aug.

96 

93 

89 

89 

88

83 

80 

78 

76 

76

74 

72 

70 

68 

68

67 

65 

64 

64 

64

63 

61

60 

58

57-

56 

55 

53 

53 

56 

56

Sept.

53 

53 

52 

52 

51

51

65 

68 

71 

78

71

65 

61 

57 

56

56 

64 

63 

58 

57

55 

E3 

52 

51 

51

50 

47 

49 

50 

49

Runoff

Inches

1.06 

1.69 

4.17

49.38

1.75 

2.67 

3.59 

5.70 

10.11 

5.73 

2.44 

1.01 

.80

40.72

Acre feet

4,470 

7,100

17,570

208,100

7,380 

11,250 

15,140 

24,000 

42,600 

24,140 

10,260 

4.270 

3,390

171,600

* Winter discharge measurement made on this day. 

b Stage-discharge relation affected by ice.
YAKIMA RIVER BASIN 

Tieton River at Tieton Dam, near Naches, Wash.

327

Location.- Water-stage recorder, lat. 46°39'30", long. 121°07'20", 900 fe3t upstream from 

Wild Cat Creek, 1,200 feet downstream from Tieton Dam, 19 miles upstream from Oak 

Creek, and 22 miles southwest of Naches, Yakima County.

Drainage area.- 187 square miles.

Records available.- August 1908 to September 1914 (fragmentary), October 1918 to March 

1919, ana April 1925 to September 1947 in reports of Geological Survey. September 

1908 to December 1913 and July 1914 to September 1920 in State Water-Sapply Bulletin 5.

Average discharge.- 28 years (1908-12, 1918-20, 1925-47), 456 second-feet (adjusted for 

storage since October 1925).

Extremes (regulated).- Maximum discharge observed during year, 1,910 second-feet May 28 

(gage height, b.4U feet); minimum observed, 4.2 second-feet Jan. 22 (gage height, 1.31 

feet).

1908-14, 1918>-19, 1925-47: Maximum discharge, 8,450 second-feet Dei. 22, 1933 

(gage height, 9.24 feet); no flow Apr. 4-6, 10, 1930.

Remarks.- Records good except those below 50 second-feet, which are fair. No diversion, 

flow regulated by Tieton Reservoir (see p. 319). Figures of daily discharge not adjusted for change in reservoir contents.

Cooperation.- Observer's services and seven discharge measurements furnished by Bureau of

leciamation.

Rating tables, water year 1946-47 (gage height, In feet, 

and discharge, in second-feet)

Oct. 1 to Dec. 31 Jan. 1 to Sept. 30

2.8 181 4.0 677 1.3 4.O 2.6 131 4.2 820 

3.0 238 4.4 945 1.5 8.O 2.9 208 4.6 1,130 

3.3 341 4.8 1,280 1.7 18 3.2 304 5.2 1,700 

3.6 469 2.0 42 3.5 424 

2.3 79 3.8 569

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

3 

4

5

6 

7 

8 

9

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25 

26

27 

28 

29 

30

31

Oot.

677 

586 

469 

488 

517

517 

517 

517 

397 

304

304 

304 

304 

304 

304

304 

304 

227 

181 

181

181 

181 

181 

181 

181

181 

181 

181 

181 

181 

181

Nov.

214 

238 

238 

238 

238

238 

238 

238 

238 

238

238 

238 

238 

238 

238

238 

238 

238 

637 

1,280

1,280 

1,280 

1,280 

1,280 

1,280

1,280 

1,180 

1,100 

927 

803

Month

Goto 

Nove 

Deca

Cal

Janu 

Febr 

Haro 

Apri 

Msy.

June 

July 

Augu 

Sept

Wat

endar year 1946

1....... ........

er year 1946-47

Deo.

80-3 

598 

424 

399 

381

381 

381 

381 

38J 

381

39O 

398 

46O 

507 

507

774 

1,010 

1,010 

1,010 

1,010

1,010 

1,010 

1,020 

1,020 

1,010

1,010 

1,010

1,010 

1,010 

1,010 

1,010

Jan.

1,030 

1,020 

632 

304 

304

304 

304 

304 

3O4 

308

308 

308 

3O8 

195 

113

111 

111 

111 

111 

76

23 

4 

4 

4 

4

5 

5 

4 

4 

4 

4

.2 

.3 

.6 

.9

.0 

.0 

.9 

.9 

.9 

9

Feb.

4.9 

4.9 

4.8 

4.6 

4.6

4.6 

4.6 

4.6 

4.6 

4.6

4.6 

4.6 

4.8 

4.9 

4.9

23 

72 

72 

72 

72

72 

72 

72 

72 

72

71 

30 

4.9

Mar.

4.9 

4.8 

4.8 

4.8 

4.8

4.8 

4.8 

4.8 

4.6 

4.6

4.6 

4.6 

4.6 

4.6 

4.6

4.6 

4.6 

4.6 

4.6 

4.6

4.6 

4.6 

4.8 

4.8 

4.8

4.8 

4.8 

4.8 

4.8 

4.8 

4.8

Observed

Discharge in 

seoond-feet

Maximum

677 

1,280 

1.O2O

1,960

1.O3O 

72 

4.9

1,700 

1,400 

1,180 

1,180 

799

1,700

Minimum

181 

214 

381

149

4.2 

4.6 

4.6 

4.8 

850 

718 

724 

724 

373

4.2

Mean

313 

596 

733

570

214 

30.3 

4.71 

210 

1,210 

954 

939 

897 

632

565

Runoff 

in 

acre- feet

19.23C 

35.44C 

45.O6C

413, OOC

13.16C 

1.68C 

29C 

12,51C 

74,410 

56.8OC 

57.75C 

55.18C 

37.61C

409, 10C

Apr.

4.8 

13 

16

20 

20

2O 

20 

20 

21 

21

21 

22 

23 

23 

23

23 

37 

80 

96 

1O8

133 

147 

164 

175 

472

750 

820 

955 

1,050 

1,010

May

978 

1,120 

1,260 

1,310 

1,260

1,310 

1,450 

1,650 

1,550 

1,360

1,220 

1.18O 

1,080 

1,010 

955

918 

880 

850 

865 

978

1,100 

1,180 

1,180 

1,220 

1,310

1,400 

1,550 

1,700 

1,500 

1,180 

1,010

Change in

in Tieton 

Reservoir 

(acre-feet)

-5,100 

-1O.80O 

+7,650

+650

+7,580 

+23,470 

+27,790 

+28,580 

+810 

-3,810 

-26.75O 

-38,370 

-22,500

-11,450

June

85O 

1,220 

1,110 

1,030 

955

925 

955 

1,220 

1,400 

1,260

1,060 

925 

880 

828 

792

842

1,070 

1,030 

948 

828

902 

1,110 

962 

724 

718

835 

880 

813 

778 

785

July

806 

8C6

8C6 

8C6 

8C6

8C6

7r4 

7F9 

835

842 

842 

8*2 

8T2 

88O

895 

925 

948 

1,100 

1,180

1,180 

1,180 

1,180 

1,180 

1,180

1.18O 

1,110 

1,060 

925 

835 

835

Aug.

865 

994 

1,130 

1,130 

1,180

1,130 

1,110 

1,130 

1,100 

1,070

1,030 

932 

806 

806 

918

1,000 

910 

771 

744 

771

806 

771 

737 

737 

737

7S7 

7S7 

737 

771 

799 

724

Sept.

649 

614 

614 

614 

643

704 

704 

698

704 

704

704 

7 O4 

750 

799 

799

799 

698 

597 

575 

538

543 

586 

643 

643 

643

580 

538 

428 

373 

373

Adjusted for change 

in reservoir contents

Runoff 

in 

acre- feet

14,130 

24,640 

52,710

413, 60X)

20,740 

25,150 

28,080 

41,090 

75,220 

52,990 

31 , OOO 

16,810 

15,110

397,700

Discharge in 

seoond-feet

Per 

Mean square 

mile

230 1.2: 

414 2,2] 

857 4.5£

571 3.0E

337 1.8C 

453 2.4J 

457 2.4' 

691 3.7C 

1,223 6.54 

891 4.76 

504 2.7C 

273 1.46 

254 1.36

549 2.94

Runoff

inches

5 1.42 

2.47 

5.29

> 41.49

) 2.08 

> 2.52 

t 2.82 

) 4.12 

I 7.54 

5.31 

) 3.11 

1.69 

> 1.52

I 39.89

Note.- Jan. 20 (9:30 a.m.) to Apr. 2O (10 a.m.) May 28 to June 2 computed from staff-gage readings. 

903681 O - 50 - 22
328 YAKIMA RIVER BASIN

Tieton River at headworks of Tieton Canal, near Naches, Wash.

Location.- Water-stage recorder, lat. 4fi"40'10", long. 131°00'20", in seT. 30, T. 14 N.,

R".~~T5~E. (unsurveyed), Just downstream from intake of Tieton Canal, 12 miles upstream

from Oak Creek, and 16 miles southwest of Naches. 

Drainage area.- 240 square miles. 

Records available.- April to September 1906 (fragmentary gage-height records), July 1907

to septemoer 1947. 

Average discharge.- 38 years (1907-16, 1918-47), 529 second-feet (adjusted for diversions

since 19J.U ana for storage since October 1924). 

Extremes (regulated).- Maximum discharge during year, 1,540 second-feet May 28 (gage

Reigns, <J.3H reet); minimum, 13 second-feet Apr. 17 (gage height, 1.47 feet).

1907-47: Maximum discharge, 8,910 second-feet Dec. 22, 1933 (gage height, 9.70

feet); no flow at times in 1926, 1929, 1931, 1932, 1934, 1945. 

Remarks.- Records good. Diversion for irrigation by Tieton Canal. Flow regulated by

TTeTon Reservoir, 7 miles above station. Figures of daily discharge not adjusted for

diversion or change in reservoir contents. 

Cooperation.- Observer's services and eight discharge measurements furnished by Bureau of

Keciamaiilon.

Rating table, water year 1946-47 (gage height, In feet, 

and discharge, In second-feet)

1.6 

1.8 

2.0

2.4

2.6 

2.8

193

269

361

3.3

3.6 

3.9

666

895

1,160

4.3 1,540

Discharge, in second-feet, water year October 1946 to September 1947

Day

1 

2 

5 

4 

5

6 

7 

8 

9

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25 

26 

26 

27 

28 

29 

30 

31

Oct.

710 

606 

464 

476 

525

531 

531 

531 

420 

313

313 

313 

313 

313 

313

313 

313 

256 

200 

215

207 

204 

200 

200 

215

207 

200 

200 

200 

200 

200

Nov.

224 

253 

249 

249 

249

545 

245 

245 

245 

241

237 

237 

237 

237 

237

237 

249 

323 

561 

1,300

1,300 

1,300 

1,300 

1,300 

1,200

1,200 

1,150 

1,060 

895 

778

Month

Ooto 

Novel

Deoei

Cal

Janu 

Febr 

Marc 

Apri 

May.

June 

July 

Augu 

Sept

Wat

endar year 1946

nary S?7::::::::::::

amber. ..........

er year 1946-47

Dec.

770 

581 

361 

342 

323

351 

397 

337 

397 

424

972 

785 

1,060 

863 

770

908 

1,140 

1,150 

1,150 

1,140

1,130 

1,120 

1,120 

1,110 

1,110

1,090 

1,080 

1,070 

1,070 

1,080 

1,080

Jan.

1,060 

1,060 

f 1,060 

f337 

332

327 

327 

323 

318 

313

313 

318 

323 

256 

154

146 

134 

134 

134 

108

57 

25 

38 

91 

105

115 

74 

68 

94 

62 

45

Fsb.

49 

87 

76 

68 

60

57 

56 

54 

54

51

49 

54 

56 

70 

108

f!23 

f!40 

140 

134 

123

118 

123 

134 

137 

140

154 

118 

76

Mar.

68 

68 

66 

62 

57

56 

52

51 

51 

51

49 

51 

60 

78 

98

118 

143 

160 

146 

123

118 

113 

89 

68 

57

49 

43 

33 

33 

62 

51

Observed

Discharge ID 

second-feet

Maximum

710 

1,300 

1,150

1,840

1,060 

154 

160 

938 

1,540 

1,130 

847 

887 

557

1,540

Minimum

200 

224 

323

60

25 

49 

33 

31 

673 

447 

424 

447 

327

25

Mean

329 

593 

850

499

266 

93.2 

75.0 

190 

1,069 

726 

635 

610 

424

492

Runoff 

in 

acrefeet

20,240 

35,270 

52,250

361,300

16,370 

5,170 

4,610 

11,330 

65,700 

43,210 

' 39,020 

37,490 

25,210

355,900

Apr.

46 

48 

51 

49 

43

38 

77 

96 

94 

94

89 

87 

43 

48 

70

57 

46 

45 

48 

42

31 

34 

40 

48 

297

652 

733 

847 

938 

879

May

839 

988 

1,140 

1,200 

1,160

1,200 

1,340 

1,490 

1,440 

1,203

1,030 

954 

879 

808 

762

725 

703 

673 

673 

778

879 

963 

972 

1,050 

1,160

1,250 

1,390 

1,540 

1,440 

1,300 

1,200

Change 

In contents 

in 

Tieton 

Reservoir 

(acre-feet)

-5,100 

-10,800 

+7,650

+650

+7,580 

+23,470 

+27,790 

+28,580 

+810 

-3,810 

-26,750 

-38,370 

-22,500

-11,450

June

1,090 

988 

871 

792 

733

696 

f740 

988 

1,130 

1,030

847 

718 

666 

603 

564

590 

800 

792 

703 

596

603 

792 

710 

500 

447

564 

624 

564 

519 

525

Diversion 

by 

Tieton 

Canal 

(acrefeet)

0 

976 

996

101,300

0 

0 

1,410 

7,680 

18,590 

18,740 

19,970 

20,090 

14,430

102,900

July

558 

558 

558

45S

5'X

551

55{ 

5K 

5'C

645 

74(

8.*' 

835

8.5S 

79?

64 E 

5P'

sir

Aug.

583 

688 

847 

879 

887

879 

823 

855 

80S 

770

718 

617 

525 

513 

610

696 

631 

500 

453 

470

513 

488 

453 

447 

447

447 

447 

453 

482 

E19 

453

Sept.

361 

337 

332 

327 

342

413 

413 

413 

413 

424

430 

442 

488 

550 

557

482 

413 

392 

387 

382

387 

436 

500 

507 

525

459 

403 

419 

387 

387

Adjusted for change in reservoir contents and diversion

Runoff 

in 

acrefeet

15,140 

25,450 

60,900

463,200

23,950 

28,640 

33,810 

47,590 

85,100 

58,140 

32,240 

19,210 

17,140

447 , 300

Discharge in 

ser-ond-feet

Me-m

246 

428 

990

640

390 

516 

550 

800 

1,384 

977 

524 

312 

288

618

Per 

square 

Bile

1.02 

1.78 

4.12

2.67

1.62 

2.15 

2.29 

3.33 

5.77 

4.07 

2.18 

1.30 

1.20

2.58

Runoff

inches

1.18 

1.99 

4.76

36.20

1.87

a. 24

£.64 

3.72 

6.65 

4.54 

2.52 

1.50 

1.34

34.95

f Computed on basis of partly estimated gage-height record.
YAKIMA RIVER BASIN 389

North Pork Ahtanum Creek near Tampico, Wash.

Location.- Water-stage recorder, lat. 46°33'40", long. 120°55'10", in NW£ sec. 2, T. 12 

N., R. 15 E., 100 feet downstream from Nasty Creek, 3? miles upstream from Tampico and 

confluence with South Fork, and 20 miles west of Yakima.

Drainage area.- 69 square miles.

Records available.- August 1907 to September 1924 (incomplete), March 1931 to September

1947.

Average discharge.- 22 years (1909-15, 1931-47), 63.7 second-feet.

Extremes.- Maximum discharge during year, 439 second-feet Dec. 11 (gage height, 2.35 feet); 

minimum, 8.6 second-feet Sept. 5 (gage height, 0.20 foot, caused by dredging operation),

1907-24, 1931-47: Maximum discharge, 755 second-feet Dec. 22, 1933; maximum gage 

height, 4.6 feet June 18, 1916; minimum discharge, 5.0 second-feet Nov. 14, 15, 1944, 

Jan. 20, 1945 (gage height, 0.18 foot), but may have been less during periods of ice 

effect.

Remarks - Records good except those for periods of ice effect or no gage-height record, 

which are poor. No diversion of importance. No regulation.

Cooperation.- Gage-height record collected in cooperation with, and fifteen discharge 

measurements furnished by Office of Indian Affairs.

Discharge, in second feet, water year October 1946 to September 1947

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

16.5

16

15.5

16

16

15.5

16

16

14.5

14.5

14.5

14

13.5

13.5

13.5

13.5

13.5

13

13

18

19

19

17.5

17. S

25

23

20

18

19.5

19

18

Nov.

19.5

16.5

18

17.5

18

18

17.5

15

17.5

16.5

16

17.5

19

16

15.5

14

£1

85

§6

33

£8

21

34 *33

31

32

42

41

33

29

-

Dec.

28 *27

25

30

29

27

26

25

24

29

305

258

356

307

280

190

121

allO

103

91

82

74

67

60

56

53

SO

36

32 *29

26

Jan.

22

*16

14

13

12

12

12.5

13

13.5

14

a!4

a!3.5

a!3

al2.5

a!3

a!3.5

al4

a!5

a!6

a 18

a2CT"

a23 *30

53

53

52

38

32

28

24

24

Month

October .......................

November ......................

December ......................

Calendar year 1946 .........

January .......................

February ......................

March .........................

April .........................

Hay

June ..........................

July ..........................

August ........................

September . ...... ............

Water year 1946-47 ..........

Feb.

25

25

26

26

27

27

28

29

30

33

37

46

58

68

94

101

91

84

82

*77

72

71

72

72

70

65

64

60

-

-

-

Secondfoot-days

512.0

791.0

2,956

23,659.8

661.5

1,560

2,109

3,367

6,692

3,424

1,151

622.5

555.5

24,401.5

Mar.

53

53

50

46

44

40

42

40

42

44

40

38

38

43

48

54

68

84

93

99

110

116

108

98

91

86

82

82

86

98

93

Maximum

25

85

356

356

53

101

116

192

295

204

54

24

45

356

Apr.

S9

86

84

80

76

72

6S

67

67

64

61

64

77

99

127

133

143

145

145

139

127

125

123

123

127

141

168

192

185

170

-

Hay

175

244

252

244

238

244

280

295

275

235

220

215

202

185

177

175

170

165

175

187

197

202

197

200

212

222

241

241

220

210

197

Minimum

13

14

24

7.8

12

25

38

61

165

57

26

16

13.5

12

June

187

168

163

152

143

143

161

204

163

145

131

123

119

116

108

114

110

105

94

88

78

77

74

71

70

71

68

63

58

57

-

Mean

16.5

26.4

95.4

64.8

21.3

55.7

66.0

112

216

114

37.1

20.1

18.5

66.9

July

54

54

52

50

48

46

45

43

42

40

42

43

42

40

39

37

36

32

30

30

29

28

28

26

27

27

30

31

28

26

26

Per 

square 

mile

0.239

.383

1.38

.939

.309

.807

.986

1.62

3.13

1.65

.538

. 291

.268

.970

Aug.

24

23

24

24

22

22

20

21

21

22

21

21

20

19.5

19

19

19

18.5

18

18

18.5

18.5

19

19

19

18.5

1918 -

18.5

19.5

19

Sept.

19

19

19

17.5

16.5

15.5

23

19.5

17.5

17.5

17.5

15.5

15.5

15.5

15.5

16.5

17.5

18.5

18.5

17.5

17.5

17.5

16/5

15.5

15.5

16.5

13.5

45

25

21

Runoff

luches Acre-feet

0.28 1,020

.43 1,570

1.59 5,860

12.75 46,920

.36 1,310

.84 3,090

1.14 4,180

1.81 6,680

3.61 13,270

1.85 6,790

. 62 2 ,280

.34 1 , 230

.30 1,100

13.17 48,380

* Winter discharge measurement made on this day.

a No gage-height record; discharge computed on basis of weather records and records for South Pork 

Ahtanum Creek near Tampico.

Note.- Stage-discharge relation affected by ice Dec. 1, Dec. 29 to Jan. 1O, Jan. 29 to Feb. 12.
330 YAKIMA RIVER BASIN

South Fork Ahtanum Creek at Conrad Ranch, near Tampico, Wash.

Location.- Staff gage. lat. 46 a 30'30", long. 120°54'50", in W|- sec. 23, T. 12 N., R. 15 E., 

at Conrad Ranch, 2^ miles upstream from confluence with North Pork, 2-5 miles southwest 

of Tampico, and 20 miles southwest of Yakima.

Drainage area.- 24.5 square miles.

Records imr. available.- March 1915 to September 1924 (fragmentary), March 1931 to September

Extremes.- Maximum discharge observed during year, 249 second-feet Dec. 11 (gage height, 

a.bU reet); minimum, 5.6 second-feet Oct. 14 (gage height, 0.55 foot).

1915-24, 1931-47: Maximum discharge observed, 424 second-feet Dec. 23, 1933 (gage 

height, 3.10 feet); minimum, 2.6 second-feet Aug. 23, 25, 1931 (gage height, 0.35 foot).

Remarks.- Records good except those for periods of ice effect, which are poor. Gage read 

twice daily. A few diversions above station for irrigation.

Cooperation.- Gage-height record collected in cooperation with, and 14 discharge measurements rurnished by Office of Indian Affairs.

Rating tables, water year 1946-47, except periods of ice effect 

(gage height, in feet, and discharge, in second-feet)

Oct. 1 to Jan. 18 Jan. 19 to Sept. 30

5.6

7.4

12

17

0.9 

1.0

1.6 78

1.8 102

2.1 153

5.7

7.2

11

17

1.0

1.2 

1.5

Discharge, In second-feet, water year October 1946 to September 1947

Day

1 

2

3 

4 

5

6 

7 

8 

9 

10

11 

12 

13 

14 

15

16 

17 

18 

19 

20

21 

22 

23 

24 

25

26 

27 

28 

29 

30 

31

Oct.

6.0 

6.0 

6.0 

6.0 

6.0

6.0 

6.0 

6.0 

6.0 

6.0

6.0 

6.0 

6.0 

5.6 

6.0

6.0 

6.0 

6.0 

6.0 

7.6

7.4 

7.9 

6.7 

6.7 

7.4

7. 

6. 

6. 

6. 

6. 

6.

Nov.

6.3 

6.3 

6.0 

6.0 

6.0

6.0 

6.0 

6.0 

6.0 

6.0

6.0 

6.3 

8.0 

6.7 

6.3

6.0 

8.0 

22 

19 

11

7.9 

12 

11 

»9.8 

8.4

8.4 

8.8 

9.8

10 

10

Dec.

8.8 

*8.4 

8.4 

8.4 

8.4

8.4 

3.4 

8.4 

8.4 

9 3

g!45 

g85 

136 

116 

106

68 

56 

45 

39 

31

30 

29 

27 

25 

25

23 

22

20 

18 

*14 

11

Jan.

9.0 

8.2 

7.6 

7.2 

7.0

7.0 

7.2 

7.4 

7.6 

7.8

7.6 

7.4 

7.4 

7.2 

7.1

7.0 

7.0 

7.0 

7.0 

7.0

7.1 

7.2 

*8.6 

17 

16.5

15.5 

14.5 

12.5 

10.5 

10 

10

Feb.

10 

10 

10,5 

10.5 

11

11 

11 

11.5 

11 5 

12

13 

15.5 

22 

35 

51

43 

42 

40 

34 

*31

29

28 

26 

26 

25

25 

24 

23

Month

Octo 

Move 

Dece

Ca

Janu 

Pebr 

Marc 

Apri 

May.

June 

July 

Augu 

Sept

Wa

lendar year 1946

ter year 1946-47 ........................

Mar.

23 

22 

20 

18.5 

16.5

15 

13.5 

13.5 

20 

12.5

13 

12 

12 

12.5

13

15.5 

23 

27 

28 

29

31 

32 

31 

29

27

25 

24 

23 

24 

24 

25

Apr.

24 

23 

23 

23

23

22 

22 

19.5 

18.5 

18

17 

16.5 

19.5 

23 

28

29 

32

34 

36 

37

35 

33 

32 

31 

30

31 

32 

42 

45 

44

Secondfoot -days

198.0 

256.0 

1,156.3

6,890.7

277.1 

641.5 

654.5 

843.0 

1,639 

861.5 

346.2 

230.0 

204.9

7,308.0

May

44 

53 

58 

59 

60

61 

64 

66 

62 

60

57 

55 

53 

51 

48

47 

46 

45 

45 

47

48 

50 

52 

52

50

50 

54 

55 

53 

48 

46

Maximum

7.9 

22 

145

145

~ 17 

51 

32 

45 

66 

44 

14.5 

9.0 

27

145

June

44 

42 

42 

40 

35

30 

44 

42 

39 

36

34 

32 

30 

28 

28

29 

27 

26 

24 

23

22 

22

21 

20 

19.5

18 

17 

16.5 

15.5 

15

July

14.5 

14.5 

14.5 

13.5 

13.5

13 

13 

13 

13 

12.5

12

12 

11.5 

11 

10.5

10 

10 

10 

10 

9.4

9.0 

9.4 

9.4 

9.4 

9.4

9.4 

10.5 

10.5 

9.4 

9.4 

9.0

Minimum

5.6 

6.0 

8.4

4.0

7.0 

10 

12 

16.5 

44 

15 

9.0 

6.0 

5.7

5.6

Aug.

9.0 

8.6 

8.6 

9.0 

8.6

8.6 

8.6 

8.2 

7.8 

7.8

7.5 

7.8 

r.5 

7.5 

7.5

7.2 

7.2 

7.2 

7.2 

7.2

6.9 

6.6 

6.6 

6.6 

6.6

6.6 

6.6 

6.6 

6.3

6.0 

6.0

Mean

6.39 

8.53 

37.3

18.9

8.94 

22.9 

21.1 

28.1 

52.9 

28.7 

11.2 

7.42 

6.83

20.0

Sept.

6.0 

6.0 

6.0 

6.0 

6.0

6.0 

6.6 

6.6 

6.6 

6.6

6.0 

6.0 

6.0 

5.7 

6.0

6.0 

6.0 

6.0 

6.0 

6.0

6.0 

6.0 

5.7 

6.0 

6.0

6.0 

6.0 

27 

7.5 

6.6

Runoff in 

acre-feet

393

508 

2,290

13,660

550 

1,270 

1,300 

1,670 

3,250 

1,710 

687 

456 

406

14,490

* Winter discharge measurement made on this day. 

g Computed from graph based on gage readings.

Note.- Stage-discharge relation affected by ice Nov. 13-17, 22-23, 30, Dec. 27 to Jan. 21, Jan. 28 

to Feb. 9.
MISCELLANEOUS DISCHARGE MEASUREMENTS 5

Measurements of stream flow in Pacific slope basins in Washington and up-jer Columbia 

River Basin made at points other than gaging stations are given in the following table:

Miscellaneous discharge measurements in Pacific slope basins in Washington and upper Columbia 

River Basin during the water year October 1946 to September 1947

Palix River Basin, Wash.

Date

Sept. 21

21

22

Stream

Palix River. .......

'

Canon River. .......

Niawiakum River. . . .

Tributary to or 

diverting from 

Willapa Bay. ......

Middle Pork Palis

River.

Palix River. ......

Locality

NW£ sec. 24, T. 13 N. , R. 10 W. , 7CO

feet -below remains of old wooden

dam and 5 miles southwest of South

Bend.

NWi sec. 25, T. 13 ,N. , R. 10 W. ,

J mile above mouth and 6 miles scuthwest of South Bend.

NE£ sec. 14, T. 13 N. , R. 10 W. , SCO

feet above bridge and 5 miles southwest of South Bend.

Discharge 

(sec. -ft. )

10.4

22.5

1.09

Willapa River Basin, Wash.

feet above covered bridge and 

1 mile east of Willapa.

northeast of Willapa.

5.95

6.98

North River Basin, Wash.

feet below Clearwater creek and 

4 miles northwest of Raymond.

mouth, 4 miles northwest of Raymond.

3.79

Tributaries between North River and Chehalis River, Wash.

Aug. 4

5 

5

5

....do............ .

East Pork Wilson 

Creek.

Wilson Creek. ......

South Pork Wilson 

Creek.

drainage ditch 

Ho. 1.

.. ..do...... .....

Wilson Creek. ..... 

Webb Creek. ....... 

.... do .. t .........

\ mile east of Grayland.

dam site Ij miles northeast of 

Grayland.

SW£ sec. 32, T. 16 N. , R. 11 W. , at 

proposed Westport water-supply diversion li miles northeast of Grayland.

SEiNEi sec. 32, T. 16 N. , R. 11 W. , 

1,200 feet above South Pork and ?£ 

miles northeast of Grayland. 

HEiNEj sec. 32, T. 16 N. , R. 11 W. , 

200 feet below East Pork and 2£ 

miles northeast of Grayland. 

SW£NE£ sec. 32, T. 16 N. , R. 11 W. , 

at proposed dam site, 2 miles northeast of Grayland.

to. 13

.13

.67 

.77

.42 

.41 

.03

t Estimated.

Chehalis River, Basin, Wash.

Dec. 6 Chehalis River. . . . Gr lys Harbor. ..... NEj sec

highw

sano.

18, T. 17

ly crossing

N.

at

, R

Soi

7

ith

W. , at

Monte22,300

Bagley Creek Basin, Wash.

Sept. 10 Bagley Creek. ..... Strait 

Puca

of Juan de 'NWj sec 

U. S.

miles

16, T. 

Highway 

east of

30 N., R. 5 W. , at 

101 crossing 3j 

Port Angeles.

0.63

McDonald Creek Basin, Wash.

Sept . 10 McDonald Creek. .... Strait of Juan de

Fuca.

SEj

U.

SOI

sec. 18, T. 30 N. , R. 4 W.

S. Highway 101 crossing 1

itheast of Agnew.

, at

mile

1.10

Dungeness River Basin, Wash.

Oct. 1

1

Sept. 11

Oct. 1

Sept. 9

10

Dungeness River....

.... do .............

. ...do....... ......

Graywolf River. ....

Matriotti Creek. . . .

Unnamed stream. ....

Strait of Juan de

Puca.

.... do ............

... .do.......... ..

.. ..do. ...........

Dungeness River. . .

....do..... .......

SEj sec. 30, T. 29 N. , R. 3 W.,

1,000 feet above Graywolf River

and 6^ miles south of Sequim.

Center sec. 30, T. 29 N. , R. 3 W. ,

400 feet below Graywolf River

and 6j miles south of Sequim. 

.... do ................................

NWj sec. 31, T. 29 N. , R. 3 W. , 1 mile

above mouth and 7£ miles south of

Sequim.

SEj sec. 10, T. 30 N. , R. 4 W. , at

highway crossing 1 mile north of

Carlsborg.

NEj sec. 36, T. 31 N. , R. 4 W. , at

Dungeness.

68.6

141

134

65.4

7.69

7.18
332 MISCELLANEOUS DISCHAHGE MEASUREMENTS

Miscellaneous discharge measurements in Pacific slope basins in Washington and upper- Columbia 

River Basin during the water year October 1946 to September 1947--Continued

Chimacum Creek Basin, Wash.

Date

Sept. 9 

9

Stream

Chimacum Creek. ....

East Pork Chimacum 

Creek.

Tributary to or 

diverting from 

Port Townsend Bay. 

Chimacum Creek. . . .

Locality

HW£ sec. 14, T. 29 N. , R. 1 W. , at 

highway crossing at Chimacum. 

SW£ sec. 11, T. 29 N. , R. 1 W. , at 

highway crossing just north cf 

Chimacuin.

Discharge 

(sec. -ft. )

3.39 

1.05

Streams tributary to Hood Canal, Wash.

Sept. 9 

July 10

29 

Aug . 13 25 

Sept ,19 

30 

July 10

29 

13 

25 

Sept. -19 

Aug. 25

25 

Sept. 24 

25 

24

July 10

29 

Aug. 12 

25 

Sept. IB 

Aug. 25

25 

25

26 

26 

26 

July 10

Aug. 26

25

26 

26 

July 9

Aug. 26 

26

26 

t Esti

Little Quilcene 

River.

Union River. .......

.... do .............

Bear Creek. ........

. ...do.... .........

Unnamed stream. .... 

....do... ..........

....do. ............ 

....do...... .......

Mission Creek. .....

.... do .............

Little Mission 

Creek.

.... do ............. 

Unnamed stream. ....

.... do .............

.... do .............

.... do ...... ......

.... do ............. 

Rendsland Creek. . . .

.... do .............

Lizzard Lake 

Creek.

Unnamed stream. .... 

mated.

Quilcene Bay. ..... 

Hood Canal. .......

Union River. ......

.... do ............

... .do...... ...... 

....do... .........

Hood Canal. .......

....do.... ........ 

.... do ............

.... do ............

Tahuyeh Creek. . . .

.... do ...........

Hood Canal. ...... 

.... do ...........

Dewatto Creek. .... 

....do.. ..........

NEj sec. 14, T. 27 H. , R. 2 W. , 50 

feet below Leland Creek and 1 mile 

northwest of Quilcene. 

SW| sec. 3, T. 23 H. , R. 1 W. , at 

crossing of Old Navy Yard highway 

5 miles northeast of Belfair.

SEj sec. 9, T. 23 H. , R. 1 W. , at 

crossing of Old Navy Yard highway 

3 miles north of Belfair.

About east line sec. 17, T. 23 H. , R. 

1 W. , at crossing of Old Navy Yard 

highway 2 miles north of Belfair. 

SK£ sec. 17, T. 23 H. , R. 1 W. , at 

crossing of Old Navy Yard highway 

ij miles north of Belfair. 

NE£ sec. 29, T. 23 H., R. 1 W. , at 

. crossing of Old Navy Yard highway 

4 mile north of Belfair. 

SEj sec. 29, T. 23 H. , R. 1 W. , at 

highway crossing £ mile south of 

Belfair. 

About east line SE£ sec. 30, T. 23 

H., R. 1 W. , at road crossing 

J mile above mouth and f mile west 

of Belfair. 

NE-J- sec. 36, T. 23 N. , R. 2 W. , at 

road crossing £ mile above mouth 

and 2 miles west of Belfair.

NW£ sec. 1, T. 22 H. , R. 2 W. , at 

road crossing £ mile above mouth 

and 3 miles southwest of Belfair. 

About center sec. 2, T. 22 H., R. 2 

W. , at road crossing 500 feet above 

mouth and 3i miles southwest of 

Belfaip. 

Northeast corner sec. 10, T. 22 H. , R. 

2 W. , at road crossing 400 feet 

above mouth and 4^ miles southwest 

of Belfair. 

SE£ sec. 9, T. 22 H. , R. 2 W. , at 

road crossing 400 feet above mouth 

and 6 miles southwest of Belfair. 

NWt sec. 17, T. 22 N. , R. 2 W. , at 

road crossing at mouth 7i miles 

southwest of Belfair. 

SWi sec. IB, T. 22 N. , R. 2 W. , at 

road crossing 400 feet above mouth 

and 83 miles southwest of Belfair. 

Wj sec. 2, T. 23 H. , R. 2 W. , at 

road crossing J mile above mouth 

and 5j miles northwest of Belfair.

Hear center sec. 33, T. 23 H. , R. 2 W., 

200 feet below road crossing, 1 mile 

above mouth, and 5 miles west of 

Belfair. 

NWj sec. 27, T. 22 H. , R. 3 W. , at 

road crossing 400 feet above mouth 

and i mile west of Tahuya. 

Hj sec. 19, T. 22 H. , R. 3 W. , at 

road crossing at mouth, 3 miles 

west of Tahuya, 

SE£ sec. 32, T. 24 H. , R. 2 W. , at 

road crossing 2i miles south of 

Holly.

Hear center sec. 6, T. 23 H. , R. 2 

W. , at road crossing £ mile above 

mouth and 3 miles south of Holly. 

NE£ sec. 7, T. 23 H. , R. 2 W. , at 

road crossing 500 feet above mouth 

and 3i miles south of Holly.

11.4 

2.01

.54 

.78 

.53 

.57 

.41 

.38

.01 

.05 

.73 

.61 

t.Ol

3.46 

.94 

1.30 

No flow

6.94

6.21 

5.84 

5.63 

5.96 

2.02

.19 

.88

t.10 

.66 

t.05 

t.10

No flow 

t.OB

1.34 

Ho flow 

.54

.40 

Ho flow

t.05
MISCELLANEOUS DISCHARGE MEASUREMENTS 333

Miscellaneous discharge measurements in Pacific slope basins in Washington and upper Columbia 

River- Basin during the water year October 1946 to September 1947 Continued

Streams tributary to Hood Canal, Wash. Continued

Date

July 9

Aug 6

July 9

July 8

Aug. 27 

July 8

30

Aug. 27 

25 

25 

25

Stream

Unnamed stream. ....

Thomas Creek. ......

Seabeck Creek. .....

Unnamed stream. .... 

Anderson Creek. ....

Unnamed stream. ....

Unnamed 'stream 

(south branch).

Unnamed stream 

(north branch) .

Unnamed stream. ....

Tributary to or 

diverting from 

Dewatto Creek. ....

Hood Canal. .......

.... do ............

.... do ............ 

....do...... ......

Anderson Creek. . . . 

Hood Canal. ....... 

.... do ............ 

.... do ............

Locality

SEj sec. 27, T. 23 H. , R. 3 W. , at 

road crossing ij miles east of

Dewatto.

NEi sec. 19, T. 24 H. , H. 2 W. , 200 

feet above road crossing, 500 feet 

above mouth, and J mile northeast 

of Holly.

(TWj sec. 29, T. 25 H. , H. 1 W. , at 

road crossing £ mile above mouth at 

Seabeck.

at road crossing 3 miles south of 

Seabeck.

1 W. , about J mile above mouth and 

2i miles northeast of Seabeck. 

NW£ sec. 14, T. 25 H. , H. 1 W. , at 

road crossing near mouth, 3 miles 

northeast of Seabeck. 

NWi sec. 13, T. 25 H., H. 1 W. , at 

road crossing ? mile above mouth 

and 4 miles northeast of Seabech.

East line sec. 14, T. 25 K. , H. 1 W. , 

at road crossing near mouth, 4 niles 

northeast of Seabeck. 

Wi sec. 23, T. 27 H., R. IE., at road 

crossing 600 feet above north branch 

and 3i miles southwest of Port Gamble. 

Wi sec. 23, T. 27 W., R. IE., at road 

crossing 400 feet above south branch 

and 3i miles southwest of port Gamble. 

NWj sec. 13. T. 27 H. , R. IE., at road 

crossing j mile above mouth and 2j 

miles southwest of Port Gamble .

Discharge 

(sec. -ft.)

1.82 

1.61

1.49

1.34

2.88

2.59

.96

.81

.80

.81

.67

1.04

.94

.80

1.33

.69

.61

4.36

t.05 

2.27

2.19

.19 

t.Ol 

t.08 

.82

t Estimated.

Streams tributary to >puget Sound, Wash.

Aug. 25 

July 8

24 

Aug. 5 

25 

Sept. 17 

29 

Aug. 5

26 

26 

26 

July 9

24 

Aug. 5 

26 

Sept. 17 

29 

Aug. 26

t Estir

Unnamed stream. ....

Buck Lake Outlet. . . 

Eglon Creek. ....... 

Unnamed stream. ....

... .do. ............ 

Grovers Creek. ..... 

....do... ..........

.... do .............

Unnamed stream. .... 

ated.

Port Gamble Bay. . .

Puget Sound. ...... 

....do............ 

.... do ............

... .do. ........... 

Miller Bay. .......

....do............

SWj sec. 20, T. 27 H. , R. 2 E. , at road 

crossing 900 feet above mouth ard 2i 

miles south of Port Gamble. 

South line sec. 29, T. 27 H. , R. ? E. , 

at road crossing li miles above mouth 

and 4 miles south of port Gamble.

SWj sec. 16, T. 28 H. , R. 2 E. , at road 

crossing 600 feet above mouth and 

i mile west of Hansville. 

HW| sec. 2, T. 27 H. , R. 2 E. , at road 

crossing at Eglon 300 feet above 

mouth.

road crossing J mil* above mouth and 

J mile south of Eglon. 

SWt sec. 26. T. 27 H. , R. 2 E. , at road 

crossing f mile above mouth and 

T mile west of Kingston. 

HW{ sec. 4, T. 26 H. , R. 2 E. , at road 

crossing % mile above mouth and 

2i miles northwest of Kitsap.

HWi sec. 16, T. 26 H., R. 2 E. , at 

road crossing 400 feet above mouth 

and li miles west of Kitsap.

0.17 

.56

.92 

.73 

.45 

.86 

.87 

Ho flow

t.05 

t.06 

Ho flow 

.44

.43 

.33 

.37 

.69 

.60 

.06
334 MISCELLANEOUS DISCHARGE MEASUREMENTS

______ __charge measurements in Pacific slope basins in Washington and upper Columbia

River Basin during the water year October 1946 to September 1947 Cont'nued

Streams tributary to Puget Sound, Wash.--Continued

Miscellaneous discharge

Date

Aug. 26

26

26

25

25

26

26

Sept. 25

25

July 8

24

Aug. 5

26

Sept. 17

29

Aug. 27

27

Sept. 25

Aug. 26

26

26

26

27

27

27

27

27

Sept. 25

25

25

Aug. 27

27

Stream

Unnamed stream. ....

. . ..do. ............

.... do .............

West Pork Dogfish

Creek.

Unnamed stream. ....

.... do .............

Scandia Creek. .....

Unnamed stream. ....

.... do .............

Steele Creek. ......

.... do .............

.... do .............

.... do .............

.... do .............

... .do..... ........

Illahee Creek. .....

Unnamed stream. ....

.... do .............

.... do .............

Moser Creek. .......

Unnamed stream. ....

Barker Creek. ......

Unnamed stream. ....

.. ..do.... .........

Strawberry Creek...

Koch Creek. ........

Unnamed stream.....

....do....... ......

.. ..do..... ........ *

do

... .do. ............

.... do .............

Tributary to or 

diverting from 

Puget Sound. .......

....do...... .......

....do. ............

Liberty Bay. .......

Dogfish Creek. .....

Liberty Bay. .......

.. ..do... ..........

.... do .............

.... do .............

Sinclair Inlet.....

.... do .............

.... do .............

... .do. ............

... .do. ............

.... do .............

.... do .............

Dyes Inlet. ........

.... do .............

.... do .............

....do.... .........

... .do.. ...........

Clear Creek. .......

Dyes Inlet. ........

....do.. ...........

....do.... .........

....do... ..........

....do.......... ...

....do........ .....

.... do .............

.... do .............

.... do .............

Locality

Si sec. 29, T. 26 N. , R. 2 E. , at

road crossing 600 feet above mouth

and 2 miles east of Key port.

Northeast corner sec. 36, T. 26 N. ,

R. IE., at road crossing 1,000

feet above mouth and f mile northeast of Keyport.

SEi sec. 25, T. 26 N., R. IE., at

road crossing 600 feet above mouth

and J mile north of Keyport.

Si sec. 11, T. 26 N. , R. IE., at

road crossing 100 feet above East

Pork and li miles north of

Poulsbo.

SWj sec. 11, T. 26 N. , R. IE., at

road crossing 1 mile north of

Poulsbo.

NW£ sec. 22, T. 26 N. , R. IE., at

highway crossing 800 feet abo-'e

mouth and 1 mile west of Poulsbo.

KE£ sec. 34, T. 26 N. , R. IE., at

road crossing J mile above mouth

and 1 mile northwest of Keypo«t.

SWi sec. 35, T. 26 N. , R. IE., at

road crossing 600 feet above mouth

and £ mile west of Keyport.

SE£ sec. 35, T. 26 N. , R. IE., at

road crossing 600 feet above mouth

and J mile west of Keyport.

SE| sec. 14, T. 25 N. , R. IE., 200

feet above road crossing and mouth,

i mile west of Brownsville.

.... do ..............................

....do....... .......................

.... do ..............................

.... do ..............................

.... do ............ .................

Si sec. 31, T. 25 N. , R. 2 E. , at

mouth 2j miles northeast of Bremerton.

SWj sec. 7, T. 24 N. , R. 2 E. , at

road crossing 1,000 feet above

mouth and 1 mile east of Bremerton.

NEiNEj sec. 3, T. 24 N. , R. IE., at

road crossing £ mile above mo-ith

and £ mile south of Tracyton.

UEjSEt sec. 34, T. 25 N. , R. IE.,

at road crossing 1/8 mile north

of Tracyton and £ mile above mouth.

HE£ sec. 34, T. 25 N. , R. IE., at

road crossing 600 feet above mouth

and i mile north of Tracyton.

SW| sec. 27, T. 25 N. , R. IE., at

road crossing £ mile above mouth

and 1 mile northwest of Tracyton.

SW£ sec. 22, T. 25 N. , R. IE., at

road crossing 3/8 mile above

mouth and li miles east of Silverdale.

About south line sec. 9, T. 25 N. ,

R. IE., at mouth, Just above

highway crossing. Clear Creek lj

miles north of Silverdale.

SWjSWi sec. 16, T. 25 N. , R. IE.,

at highway crossing J mile above

mouth and i mile north of Silverdale.

NE£ sec. 20, T. 25 N. , R. IE., at

highway crossing at Silverdal-)

J mile above mouth.

Ei sec. 20, T. 25 N. , R. IE., at

highway crossing near mouth 3/8

mile south of Silverdale.

SEj sec. 20, T. 25 N. , R. IE., at

highway crossing near mouth

i mile south of Silverdale.

SW{ sec. 29, T. 25 N. , R. IE., at

highway crossing near mouth l£

miles south of Silverdale.

HWi sec. 32, T. 25 N. , R. IE., at

highway crossing 800 feet above

mouth and if miles south of

Silverdale.

About center wi sec. 32, T. 25 N. ,

R. IE., at highway crossing

near mouth, 2 miles south of

Silverdale.

SW£ sec. 32, T. 25 N. , R. IE., at

highway crossing near mouth, 2i

miles south of Silverdale.

MWi sec. 5, T. 24 N. , R. IE., at

highway crossing near mouth, 2j

miles south of Silverdale.

t Estimated.

Discharge 

(sec. -ft. )

tO. 05

No flow

t.04

1.95

.19

.68

'

t.oe

.26

.10

1.1?

1.09

1.02

.89

1.30

1.23

.41

.26

t.06

.28

No flow

No flow

1 81

2.16

t.06

1.08

t.03

t.04

.50

t.08

t.08

.41

.23
MISCELLANEOUS DISCHARGE MEASUREMENTS 335

Miscellaneous discharge measurements In Pacific slope basins In Washington and ipper Columbia 

River Basin during the water year October 1946 to September 1947 Contlrued

Streams tributary to Puget Sound, Wash. Continued

Date

July 6

30

July 6 

23

30

Aug. 28

28 

28

Sept. 26 

Aug. 27

27

27 

27 

27

27

26 

July 9

t Estl

Stream

Wildcat Creek. .....

... .do.. ...........

.... do .............

Kltsap Creek. ......

Gorst Creek. .......

Parish Creek. ...... 

Blackjack Creek. . . .

Unnamed stream. .... 

Annapolis Creek. . . .

Sullivan Creek. ....

Unnamed stream. .... 

... .do.... ......... 

....do.. ...........

Beaver Creek. ......

SalmonbeiTy Creek. . 

Our ley Creek. ......

.... do .............

uated.

Tributary to or 

diverting from 

Chlco Creek. .......

....do...... .......

Sinclair Inlet. ....

....do.. ...........

Sinclair Inlet.

Blackjack Creek. . . . 

Sinclair Inlet. ....

.... do .............

....do..... ........ 

.... do . ........... 

... .do..... ........

Puget Sound. .......

Long Lake .......... 

Puget Sound. .......

Locality

Ei sec. 2, i;. 24 N., R. 1 W. , at lake 

outlet, 5 miles west of Bremerton,

... .do.'.. ............................

lane crossing at mouth, 3 miles west 

of Bremerton.

SWi sec. 8, T. 24 N. , R. IE., at 

lake outlet 2 miles west of Brenerton.

About west line sec. 32, T. 24 N. , R. 

IE., 150 feet above Heinz Cree'c, 

J mile above mouth, and 3£ miles 

southwest of Bremerton.

R. IE., 200 feet above mouth and 

3£ miles southwest of Bremerton. 

W| sec. 32, T. 24 N. , R. IE., 150 

feet above diversion point and 

3 miles southeast of Bremerton. 

NW£ sec. 11, T. 23 H. , R. IE., at 

road crossing, 2 miles south of 

Port Orchard and 3 miles above 

mouth. 

West line NW& sec. 23, T. 23 N. , R. 

IE., at road crossing 0.2 mile 

above mouth and 4 miles south o f 

Port Orchard. 

NE£ sec. 25, T. 24 N. , R. IE., a*. 

road crossing at mouth 3/4 mile 

east of Port Orchard.

feet above road crossing, 400 

feet above mouth, and 1 mile east 

of Port Orchard. 

SW£ sec. 19, T. 24 N. , R. 2 B. , 300 

feet above road crossing, 400' 

feet above mouth, and ij miles 

northeast of Port Orchard. 

NE£ sec. 19, T. 24 N., R. 2 E. , a*-. 

road crossing at mouth and 2 

ml3es northeast of Port Orchard. 

mi sec. 17, T. 24 N. , R. 2 E. , a*, 

road crossing at mouth, 3j miles 

northeast of Port Orchard. 

South line sec. 8, T. 24 N. , R. 2 

E., at road crossing 3/8 mile 

above mouth and 4 miles northeast of Port Orchard. 

Wj sec. 16, T. 24 N. , R. 2 E. , at 

road crossing J mile above mouth 

and 3 miles east of Bremerton.

road crossing at Manchester, 500 

feet above mouth. 

South line sec. 7, T. 23 N. , R. 2 

E., at road crossing t mile abo-'e 

mouth and 3^ miles southeast of 

Port Orchard.

NE£KE£ sec. s, T. 23 N., R. BE.,

1 mile below Long Lake Outlet and 

4 miles southeast of Port Orchard.

road crossing near mouth, 1 mile 

west of Harper.

road crossing near mouth, { mile 

west of Harper.

road crossing at mouth, 5/8 mile 

wesb of Harper. 

SWfcSEi sec. 34, T. 24 N. , R. 2 E. ,

at road crossing at mouth, ^ mile 

wesb of Harper.

road crossing at mouth, 3/8 mile 

south of Harper.

Discharge 

(sec. -ft.)

0.70

1.35 

.69

.43

.40

2.00

7.68 

.63

.81 

4.75

3.81

.40 

1.64

.42

t.04 

No flow 

t.06

.44 

t.04

1.36 

7.11

5.46

t.03

No fiow

t.02
336 MISCELLANEOUS DISCHARGE MEASUREMENT.'.

Miscellaneous discharge measurements In Pacific slope basins In Washington anil upper Columbia 

River Baeln during the water year Ootobsr 1946 to September 1947--Con^,lnued

Streams tributary to Puget Sound, Wash. Continued

Date

July 9

31 

Aug. 14 

28 

Sept. 20 

July 9

31 

Aug. 14 

£9 

Sept. 20 

Aug. 29

29 

29

29 

29 

29 

29 

29 

29

29 

29

29 

29 

4

14 

28 

Sept. 19

26

26

26 

July 11

30 

Aug. 13 

29 

Sept. 19 

Aug. 29

29

29

29 

29

t Esti

Stream

Olalla Creek. ......

Crescent Lake Creek

Unnamed stream. .... 

.... do ............. 

....do.. ...........

Unnamed stream. .... 

.. ..do. ............ 

Warren Creek. ...... 

Unnamed stream. .... 

....do.. ...........

.. ..do...... .......

.... do ............. 

. . . .do. ............ 

Purdy Creek. .......

Unnamed stream. ....

Minter Creek. ......

Horseshoe Lake 

Out let .

Lackey Creek. ...... 

Unnamed stream. ....

Duteher Creek. ..... 

rated.

Tributary to or 

diverting from 

Puget Sound. .......

Gig Harbor.. .......

Wollochet Bay. ..... 

.... do .............

....do.. ...........

Hale Passage. ...... 

....do..... ........ 

....do............. 

Henderson Bay. ..... 

....do.... .........

. ...do. .... .......

... do. ............ 

.... do ............. 

.. ..do.... .........

Bur ley Creek. ...... 

.... do .............

Henderson Bay ......

Minter Creek. ...... 

Henderson Bay. ..... 

Carr Inlet. ........

Case Inlet. ........

Locality

North line eec. 5, T. 22 N. , R. 2 

E. , at road crossing li mile's 

above mouth and 2 miles west of 

Olalla.

...do..............................

N| sec. 32, T. 22 N., R. 2 E. , at 

road crossing 1 mile above mouth 

and li miles north of Gig Harbor.

....do..............................

SWiNW£ sec. 29, T. 21 N. , R. 2 E., 

at road crossing near mouth and 

3i miles south of Gig Harbor. 

SWi sec. 19, T. 21 H., R. 2 E., at 

road crossing at mouth, 3 miles 

south of Gig Harbor. 

NEiNEi sec. 24, T. 21 N. , R. 1 E. r 

at road crossing 500 feet above 

mouttf and 2i miles southwest of 

Gig Harbor. 

HEi sec. 24, T. 21 N. , R. IE., at 

road crossing near mouth, 2f miles 

southwest of Gig Harbor. 

SWi sec. 25, T. 21 N. , R. 1 E., at 

road crossing at mouth, 4 miles 

southwest of Gig Harbor. 

NEi sec. 26, T. 21 N. , R. IE., at 

road crossing at mouth, 4 miles 

southwest of Gig Harbor. 

Ni sec. 27, T. 21 N. , R. IE., at 

road crossing at mouth, 4| miles 

southwest of Gig Harbor. 

SEi sec. 9, T. 21 N. , R. IE., at 

road crossing at mouth, ij miles 

southwest of Rosedale. 

SEi sec. 10, T. 21 N., R. IE., 

200 feet above road crossing, 

i mile from mouth, and % mile 

south of Rosedale. 

NWiNWi sec. 11, T. 21 N. , R. IE., 

at road crossing at mouth at 

Rosedale. 

SEjNWi sec. 2, T. 21 N. , R. IE., 

at road crossing J mile above 

mouth and £ mile north of Rosedale. 

NWj sec. 25, T. 22 N. , R. IE., at 

road crossing 500 feet above mouth 

and 1 mile south of Purdy. 

W| sec. 24, T. 22 N. , R. IE., at 

road crossing 800 feet above mouth 

and i mile south of Purdy. 

SWj- sec. 13, T. 22 N. , R. IE., a£ 

road crossing near mouth and 

J mile north of Purdy

About center sec. 1, T. 22 N., R. 1 

E. , at road crossing £ mile above 

mouth and f mile north of Burley. 

East line SEf sec. 2, T. 22 H. , R. 

1 E. , 300 feet above mouth and 

i mile north of Burley. 

NEiNEi sec. 11, T. 22 N. , R. IE., 

at mouth J mile northwest of 

Burley.. 

Southwest corner sec. 16, T. 22 N..R. 

1 E. , above road crossing, i mile 

above Huge Creek and 2£ mile west 

of Wauna.

About center west line sec. 21, T. 

J|2 N., R. IE., at road crossing 

i mile above mouth and 2 mil<?s 

west of Wauna. 

SWi seo - 30 > T. 22 N., R. IE., at 

highway crossing 1 mile above 

mouth and 4 miles southwest of 

Wauna. 

NWi sec. 35, T. 21 N. , 'R. 1 W. , at 

road crossing at Home, i mile 

above mouth.

Si sec. 11, T. 21 N., R. 1 W. , 100 

feet below highway crossing, ? mile 

above mouth, and 2j miles north of 

Home.

Discharge 

(sec. -ft.)

3.62

3.51 

4.00 

4.12 

4.63 

1.56

1.27 

1.75 

1.49 

1.81 

t.04

t.Ol 

t.Ol

.92 

No flow 

t.06 

t.06 

.14 

.84

1.05 

t.02

.93 

.39

1.78

1.66

1.44 

1.97 

.12

2.25 

.16 

6.65

5.84 

5.90 

5.76 

6.42 

No flow

No flow

.21

t.OS 

.20
MISCELLANEOUS DISCHARGE MEASUREMENTS 337

Miscellaneous discharge measurements In Pacific slope basins in Washington and upper 

River Basin during the water year October 1946 to September 1947 Continue-5

Streams tributary to Puget Sound, Wash. Continued

Date

Aug. 29

July 11

Aug. 28 

28

Dec. 2

Apr. 30

June 11

Dec. 23

May 3

Aug. 4 

Dec. 6

Feb. 27

May 8 

June 25

Sept. 18 

Oct. 24

Nov. 22

Mar. 11

June 26

25

24 

Oct. 16

15

14

t Est

Stream

Unnamed stream. ....

Coulter Creek. .....

Unnamed stream. .... 

....do.... .........

Nisqually River. . ..

.... do .............

Ye 1m Irrigation 

ditch.

....do............ .

Centra lla power 

canal.

.. ..do....... ......

.. ..do............ . 

Puyallup River. ....

Haplewood Springs. .

Laughing Jacobs 

Creek.

Horma Creek. .......

Troublesome Creek. .

Proctor Creek. .....

mated.

Tributary to or 

diverting from 

Case Inlet. ........

....do.... .........

Coulter Creek. ..... 

. ...do.. ........... 

. ...do... ..........

Puget Sound. .......

.... do .............

Nisqually River. . . .

.. ..do... .......... 

....do.. ...........

.. ..do.... ......... 

... .do. ............

Commencement Bay... 

Clark Creek. .......

.... do .............

.... do .............

... .do. ............ 

Puget Sound. .......

North Fork Skykomlsh River.

Skykomlsh River. . . .

Locality

N. , R. 1 W. , at road crossing 

$ mile above mouth and 4j miles 

north of Home.

road crossing at mouth at Vaughn, 

4t miles north of Home.

highway crossing 500 feet above 

mouth and 2£ miles east of Allyn.

SWj- sec. 8, T. 22 N., R. 1 W. , 200 

feet above road crossing at mouth 

and l£ miles north of Allyn.

... .do.. ............................

SW£ sec. 4, T. 22 N. , R. 1 W., at 

road crossing 0.2 mile above mouth 

and 2j miles south of Belfalr. 

NWi sec. 9, T- 22 N., R. 1 W. , at 

road crossing at mouth, 2f miles 

south of Belfalr. 

SWj sec. 9, 1. 22 N. , R. 1 W. , 50

feet above mouth and 3 miles south 

of Belfalr. 

ME£ sec. 29, T. 15 N. , H. 5 E. , at 

highway crossing at Elbe.

....do........ ......................

Si sec. 20, T. 16 N., R. 3 E. , opposite gaging station on Nisqually 

River near McKenna.

....do.. ............................

....do.......................... .... 

HWi seo. 1, T. 16 N. , R. 2 E. , £ mile 

below head and 3i miles southeast 

of McKenna. 

....do................. .............

....do........... ................... 

.... do ..............................

. .. .do........... ...................

NEj sec . 4, T. 17 N. , R: 5 E. , i mile 

below Electron power plant at 

gaging station and J mile east of 

Electron. 

SEj sec. 32, T. 20 N. , R. 4 E. , at 

old pump plant at Puyallup.

....do....... .......................

.... do ..............................

NEj sec. 29, T. 24 N. , R. 6 E. , just

below bridge on U. S. Highway 10, 

1 mile west of Issaquah. 

On line between sees. 27 and 34, T.

24 N. , R. 6 E. , beneath bridge on 

U. S. Highway 10 at Issaquah. 

Wi sec. 16, T. 24 N., R. 6 E., at 

road crossing 2 miles north of 

Issaquah. 

SWjSWt sec. 32, T. 28 N. , R. 4 E. , 

at mouth 1 mile north of Meadowdale and 4f miles northeast of 

Edmonds . 

SEjSEi sec. 33, T. 29 N. , R. 4 E. ,

at highway crossing \ mile east 

of Mukllteo. 

SEjSWi sec. 25, T. 29 H., H. 4 E. ,

at railway crossing at mouth, 

1 mile west of Everett. 

SEj sec. 16, T. 28 N. , R. 11 E. , 

1 mile above mouth and 9 miles 

northeast of Index. 

SW£SW£ sec. 15, T. 27 N. , R. 10 E.,

at county road bridge, li miles 

east of Index. 

HWj sec. 15, T. 27 H., R. 9 E. , at 

crossing of State Highway 15, 

1 mile southwest of Relter.

at road crossing Is miles southeast of Startup.

Discharge 

(sec, -ft.)

to. 09

4.48

3.90

3.49

3.68

16.7 

16.9

15.1

15.4

15.8

16.7

.32 

1.27

1.14

1,690 

1,420

1,240

652

309

5.90 

9.95

10.3 

70. a

71.9

415

414 4ri

391 

286 

204

214 

1,870

24.6 

30.7

32.7 

31.4

33.6 

7.08

122

7.37 

.61

.90

2.14

16.7 

1.60

3.05 

1.56
338 MISCELLANEOUS DISCHARGE MEASUREMENTS

Miscellaneous discharge measurements in Pacific slope basins in Washington and upper Columbia 

River Basin during the water year October 1946 to September 1947 Continued

Streams tributary to Puget Sound, Wash. Continued

Date

Oct. 14

14

14

15 

14

16

16 

I

16 

27

15 

15 

Dec 12

15 

16

16

15

15

Oct. 14 

15

Stream

Olney Creek. .......

... .do. ............

Johnson Creek. ..... 

Howard Creek. ...... 

Woods Creek. .......

West Pork Woods.. . . 

Creek.

North Pork Tolt 

River.

Unnamed stream. .... 

Evans Creek. .......

Swartz Lake 

Creek.

Little Pilehuck 

Creek.

Stevens Creek. ..... 

Unnamed stream .....

.... do ............. 

Alien Creek. .......

Quileeda Creek. ....

.... do .............

Middle Pork 

Quilceda Creek.

Tributary to or 

diverting from--

Wallaoe River. .....

.... do ............. 

. "... do .............

Skykomish River. . . . 

.... do ............. 

.... do .............

Woods Creek. ....... 

Tolt River. ........

Snohomish River. . . . 

.... do ...... ......

Pilehuck River. .... 

.... do .............

Little Pilehuck 

Creek.

Snohomish River. . . .

.... do ............. 

Ebey Slough. .......

.... do ...... ......

.... do ............. 

Quilceda Creek. ....

Locality

SEi sec. 12, T. 28 N. , R. 8 E., at 

site of former gaging station near 

Startup.

outlet of Lake Isabel, 4£ miles 

east of Oold Bar. 

NE£ sec. 6, T. 22 N., R. 9 E. , at 

county road crossing at Gold Bar.

E.', at county road bridge Ij nlles 

north of Startup. 

South line sec. 3, T. 27 N. , R. 8 E. , 

at county road bridge ij miles 

southwest of Startup. 

MEj sec. 9, T. 27 N. , R. 7 E. , at 

county road bridge 2j miles east 

of Monroe. 

SE£ sec. 34, T. 29 N., R. 7 E. , at 

county road crossing j mile above 

Roesiger Creek and 65 miles northwest of Sultan. 

NWi sec. 33, T. 28 N. , R. 7 E. , 100 

feet above county road crossing at 

mouth, 2j miles northeast o' 

Monroe . 

West line sec. 32, T. 26 N. , A, 8 E. , 

300 feet above confluence with 

South Pork and 5 miles northeast 

of Tolt. 

SE£SE£ sec. 16, T. 27 N. , R. 6 E. , at 

county road crossing 4 miles southwest of Monroe. 

NE£ sec. 7, T. 27 N., R. 6 E. , at 

former gaging station 300 feet 

above county bridge, £ mile above 

mouth, and 5 miles south of Snohomish. 

SW£ sec. 19, T. 30 N. , R. 7 E., at 

county road crossing J mile south 

of Granite Palls. 

Wi sec. 22, T. 30 N. , R. 6 E. , at 

county road crossing 3 miles west 

of Granite Palls.

SE£ sec. 16, T. 29 N. , R. 6 E., at

highway crossing £ mile abo-re mouth 

and 1 mile north of Machias. 

NE£ sec. 8, T. 29 N., R. 6 E. , 50 

feet above Cassidy Creek and ? mile 

northeast of Lake Stevens. 

NW£ sec. 26, T. 28 N. , R. 5 E. , at 

road crossing 5 mile southeast of 

Marshland School and 2i miles southwest of Snohomish. 

NEjNEi sec. 27, T. 28 N., R. 5 E., at 

road crossing at Marshland School 

2i miles southwest of Snohomish. 

NWj sec. 14, T. 30 N. , R. 5 E. , at 

road crossing £ mile north of 

Kellog Marsh School and 2i miles 

northeast of Marysville. 

NE£NE£ sec. 22, T. 30 N., R. s E. ,

300 feet below unnamed stream and 

2 miles northeast of Marysville. 

SEjSEj sec. 28, T. 30 N. , R. 5 E. ,

at former gaging station at highway crossing 5 mile east of Marysville.

West line sec. 35, T. 31 N. , R. 5 E. , 

at county road crossing 5 miles 

north of Marysville.

Near center sec. 16, T. 30 N. , R. 5 

E. , above West Pork, 150 feet below 

railway culvert and 2 miles north 

of Marysville. 

NWjNEi sec. 34, T. 31 N. , R. 5 E. , at 

county road crossing 5? miles north 

of Marysville.

East line sec. 4, T. 30 N., R. 5 E. ,

at county road crossing f mile above 

mouth and 4 miles north of Marysville.

Discharge 

sec. -ft.)

20.4 

7.21

11.2 

5.09

.85 

.22 

4.01

8.55 

70.7

.59 

4.28

.06 

1.14 

109 

51

30.9

17.1

1.52

2.30

.09

1.16

1.56 

.55

.77

13.5

13.0

1.86 

32.5

12.4

9.19

5.23

1.52

7.33

.41 

20.3

6.05

5.26

2.30

.20

2.10
MISCELLANEOUS DISCHARGE MEASUREMENTS

Miscellaneous discharge measurements in Pacific slope basins In Washington and upper Columbia 

Hiver Basin during the water year October 1946 to September 1947--Continue-1

Streams tributary to Puget Sound, Wash. Continued

Date

Oct. 14

14

7

24

Stream

West Fork Quileeda

Creek.

Mission Creek. ....

Tulallp Creek. ....

.... do ............

Tributary to or 

diverting from 

Quilceda Creek. .....

Puget Sound. ........

.... do ............ .

do

.... do ..............

Locality

Ej sec. 8, T. 30 H. , R. 5 E. , at

county road crossing 3 miles north

of Marysville.

SWiHWi sec. 26, T. 30 N. , R. 4 E. ,

at highway crossing J mile above

mouth and 1 mile southeast of

Tulalip.

SWi sec. 22, T. 30 H. , R. 4 E. ,

 J mile above mouth and $ mile

north of Tulalip.

do

' .... do ......................... ....

Discharge 

(sec. -ft. )

0.46

1.95

11.3

12.5

Skaglt River Basin, Wash.

Dec. 7

Jan. 1

31

Feb. 27

Aug. 8

Sept. 21

17

19

19

19

19

Canyon Creek. .....

.... do ............

.... do ............

.... do ............

.... do ............

.... do ............

Day Creek. ........

Coal Creek. .......

Hansen Creek. .....

.. ..do... .........

East Pork Hansen

Creek.

Ruby Creek. .........

.... do ..............

.... do ..............

... .do.... ..........

.... do ..............

Skagit River. .......

....do.. .. .........

.. ..do.. .... .......

.... do ..............

Hansen Creek. .......

Unsurveyed, about T. 37 H. , R. 16

E., at Beebes Bridge, 500 feet

above mouth and 7j miles southeast

of Ross Dam.

... .do.. ..... . . ...................

.... do ..............................

.... do ........... ..................

.... do ..............................

NW£ sec. 25, T. 34 N. , R. 6 E. ,

£ mile below Day Lake and 9 miles

southeast of Lyman.

SWJr sec. 10, T. 35 N. , R. 5 E. , at

canyon mouth 3j miles west of

Lyman .

SEjSEi sec. 31, T. 36 H. , R. 5 E. ,

at crossing at end of road 4 miles

north of Sedro Woolley.

HWi sec. 20, T. 35 H. , R. 5 E. , at

former gaging station 1 mile east

of Sedro Woolley.

NE£ sec. 8, T. 35 H. , R. 5 E. , at

road crossing 1 mile west of Cokedale and 3 miles northeast of

3edro Woolley.

45.8

40.3

46.1

82.4

106

45.1

21.8

1.98

1.42

1.96

t.10

t Estimated.

Fraser River Basin, Wash.

Sept. 4

4

5

4

4

4

5

5

5

5

5

5

5

Sumas River. ......

. ...do. .. ........

.... do ............

Unnamed stream. . . .

Soodwin ditch. ....

Unnamed stream. . . .

Breckenridge Creek

Kinney Creek. .....

Bone Creek. .......

Johnson Creek. ....

... .do. ...........

West Branch

Johnson Creek.

Pangborn Lake

Outlet.

Praser River. .......

... do ..............

... .do..... . .......

Sumas River. ........

... .do. .............

. .. .do.... ..........

....do.. ............

. ...do.. ............

....do..... .........

. . .do.. ............

.. ..do. .............

Johnson Creek. ......

.... do ... ...........

SEi sec. 16, T. 39 H. , R. 4 E. , at

road crossing £ mile north of

Lawrence .

South line NE£ sec. 32, T. 40 H. ,

R. 4 E., at road bridge 6 miles

southwest of Sumas.

South line sec. 35, T. 41 H. , R.

4 E. , at bridge on paved road in.

southeast section of Sumas.

North line sec. 9, T. 39 H. , R. 4

E. , at road crossing 7 miles south

of Sumas.

West line SWi sec. 33, T. 40 H. , R.

4 E., at road crossing 6 miles

southwest of Sumas.

NWi sec. 33, T. 40 N. , R. 4 E., at

.road crossing 5j miles southwest

of Sumas.

West line sec. 27. T. 40 H. , R. 4

E. , at road crossing 4j miles

southwest of Sumas.

NWi sec. 22, T. 22 N. , R. 4 E. ,

£ mile above mouth and 3 miles

southwest of Sumas. 

South line sec. 3, T. 40 H. , R. 4

E., at road crossing 1 mile soutt -

west of Sumas.

South line sec. 8, T. 40 N. , R. 4

E. , at paved road crossing 3

miles southwest of Sumas.

South line sec. 34, T. 41 H. , R.

4 E. , at road crossing in

Sumas.

West line sec. 8, T. 40 H. , R. 4

E. , at road bridge 3j miles

southwest of Sumas.

S«£ sec. 5, T. 40 N., R. 4 E. , 150

feet below road culvert and 2-J

miles southwest of Sumas.

Ho flow

9.19

12.5

Ho flow

2.59

.42

.53

t.15

Ho flow

Ho flow

10.7

.81

1.53

t Estimated.

UPPER COLUMBIA RIVER BASIH 

Kootenai River Basin, British Columbia

Hov. 8 Kootenay River.... Columbia River. Qrohman Narrows, £ miles below

Nelson, British Columbia; measurements referred to gage No. 10 at 

Nelson (station 8 N. J. 9 of 

Dominion Water and Power Bureau, 

Department of Mines and Resources, 

Canada).

7,700
MISCELLANEOUS DISCHARGE MEASUREMENTS

Miscellaneous discharge measurements In Pacific slope basins in Washington and upper 

River Basin during the water year October 1946 to September 1947--Coitinued

Kootenai River Basin, British Columbia Continued

Date

Feb. 18

Aug. 5

Stream

Kootenay River. . . .

.... do ............

Tributary to or 

diverting from 

Columbia River. .....

... .do.. ............

Locality

Grohman Narrows, 2 miles belo-v 

Nelson, British Columbia; measurements referred to gage No. 10 at 

Nelson (station 8 N. J. 9 of 

Dominion Water and Power Bureau, 

Department of Mines and Resources, 

Canada).

do

.... do .............................

Discharge 

(sec. -ft. )

15,710

25,270

Colville River Basin, Wash.

Sept. 13 Colville River. . . . Franklin D. Roosevelt Lake.

NW£ sec. 5, T. 32 N. , R. 40 E. , at 

road bridge 0.4 mile west o f U. S. 

Highway 395 and 3^ miles no-thwest of Chewelah.

37.0

Spokane River Basin, Wash.

Dec. 9

Sept. 12

Little Spokane 

River.

... .do... . .......

Dragoon Creek. ....

Spokane River. ......

Little Spokane River

NWi sec. 5, T. 26 N. , R. 4Z E. , 

below road bridge 1 mile above 

mouth and 6 miles northwest of 

Spokane .

NE£ sec. 3, T. 28 N. , R. 42 E. , at 

road crossing £ mile west o*1 Deer 

Park.

470

4.64

Crab Creek Basin, Wash.

Dec. 6

Oct. 14

Dec. 5

Jan. 28 

Mar. 5

Park Creek. .......

Rocky Ford Creek. .

Spring Creek. .....

Lind Coulee. ...... 

.... do ............

Blue Lake ...........

Hoses Lake. .........

Crab Creek. .........

.... do .............. 

.... do ..............

SW£ sec. 15, T. 24 N. , R. 27 E. , 

at former gaging station 100 feet 

above mouth and 6j miles southeast 

of Coulee City.

SEfcSEj sec. 32, T. 21 N. , R. 27 E. , 

at former gaging station ij miles 

above mouth near Ephrata.

SE£ sec. 3, T. 17 N. , R. 28 E. , just 

below Drumheller Springs Creek, 

9 miles south of Moses Lake.

NE£ sec. 11, T. 17 N. , R. 28 E., 

100 feet above mouth near Warden. 

.... do ..............................

5.43

69.9

58.7

44.9

20.2

11.7

1.16 

1.24

Yakima River Basin. Wash.

Apr. 30

Nov. 23

Feb. 21

Apr. 8

May 26

Nov. 20

KittJtas Canal. . . .

Ridge) Canal.

City of YaJcima 

municipal diversion.

Selah Valley 

Canal.

Tieton Canal. .....

Wapatox power 

canal.

Yakima River. .......

Naches River. .......

.... do ..............

Tieton River. .......

Haches River. .......

"Sec. 11, T. 20 N., R. 13 E. , at 

headworks near Easton.

7j miles southeast of Yakima.

NW£ sec. 34, T. 15 N. , R. 16 E. , 100 

to 300 feet below pipe outlet at 

headworks, 6 miles west of Naches.

NW£ sec. 36, T. 15 N. , R. 16 E. , 

above all diversions near Naches.

Sec. 30, T. 14 N., R. 15 E. , at 

former gaging station at headworks 

near Naches.

NW£ sec. 36, T. 15 N. , H. 16 E. , at 

headworks near Naches.

728 

928

903

558

541

500

13.0 

11.1

2.79

10.5

12.1

59.0 

117

130

303

505 

410

506

491
MISCELLANEOUS DISCHARGE MEASUREMENTS 341

Miscellaneous discharge measurements in Pacific slope basins In Washington and tnper Columbia 

River Basin duping the water year October 1946 to September 1947 Continued

Yaklma River Basin, Wash. Continued

Date

Apr. 9

Nov. 25

Feb. 20

Apr. 11

Aug. 29

Stream

Union Gap Canal... 

. ...do............

.. ..do.. ..........

Canal. 

. ...do.... ........

... .do.......... ..

Old Reservation

Canal.

. .. .do.... ........

... .do......... ...

....do.... ........

Sunnyside Canal. . .

....do... .........

Tributary to or 

diverting from 

Yakima River. .......

... .do.. ............

....do..... .........

.. ..do..... .........

. ...do. .............

.. ..do. .............

Locality

JfBj sec. 17, T. 12 N. , R. 19 E. , at 

entrance to Union Gap, 1 mile 

southeast of town of Union Gap.

gaging station near Parker.

SWi sec. 28, T. 12 N., R. 19 E. , at 

gaging station near Parker.

.. ..do. ............................

SWi sec. 27, T. 12 N. , R. 19 E. , at 

gaging station near Parker.

... .do... ..........................

Discharge 

(sec. -ft.)

23.5 

35.9

33.7

1,530

1,870

6.53

6.01

71.0

43.0

11.0

1,110

1,270

40

Page

Aberdeen, Wash., Charlies Creek near... 21-22 

Newskah Creek near.... ... .......... 19-20

Wynoochee River near.................

Accuracy of field data and computed

results..........................

Acre-foot, definition of...............

Agencies other than Geological Survey, 

records collected by.............

Ahtanum Creek, North Pork, near

Tampico, Wash....................

South Pork, at Conrad Ranch, near

Tampico, Wash....................

Alder Creek near Hamilton, Wash........

Alder Reservoir at Alder, Wash.........

Alderton, Wash., Fuyallup River at.....

Alien Creek, Wash., discharge measurements of.

Page 

Blackfoot River near Bonner, Mont...... 237

near Helmville, Mont................. 235

near Ovando, Mont.................... 236

Blackjack Creek at Port Orchard, Wash.. 70 

discharge measurement of............. 335

1 31odgett Cr-eek near Corvallis, Mont... 

Blue Lake near Coulee City, Wash

Boistfort, Wash., South Fork Chehalis

329

330

Bone Creek, Wash., discharge measurement of..........................

Bonner, Mont., Blackfoot River near....

181 Bonners Ferry, Idaho, Kootenai River

73

338

Bothell, Wash.,. McAleer Creek near..... 

Sammamish River at.

American River near Nile, Wash......... 326 Boulder Creek (Kootenai River Basin)

Anderson Creek, Wash., discharge

measurements of................... 333 Boalder Creek (Pend Oreille River

near Holley, Wash. 

Annapolis Creek, Wash., discharge

67

Boundary Creek near Porthill, Idaho....

measurement of................... 335 Breckenridge Creek, Wash., discharge

Arlington, Wash., Jim Creek near......155-156

North Fork Stillaguamish River near., 

South Fork Stillaguamish River near..

Artondale Creek, Wash., discharge

measurement of...................

Ashley Creek near Kalispell, Mont......

Auburn, Wash., Big Soos Creek near..... 

Green River near.....................

157 Bremerton, Wash., Chico Creek near....,

Bacon Creek near Marblemount, Wash..... 

Bagley Creek, Wash., discharge

154

336

263

104

97

172

measurement of................... 331 Brinnon, Wash., Dosewallips River near

Baker River at Concrete, Wash.......... 179

Barker Creek, Wash., discharge measurement of.......................... 334

Bear Creek (tributary to Bitterroot

River) near Victor, Mont......... 247

Bear Creek (tributary to Green River)

near Eagle Gorge, Wasii . ......

Bear Creek (tributary to Middle Fork

Flathead River) near Essex, Mont. 

Bear Creek (tributary to Sammish River)

at Redmond, Wash................. 122

near Redmond, Wash...................

Bear Creek (tributary to Union River),

Wash., discharge measurements of. 

Bear Creek (tributary to Wallace River),

Wash., discharge measurement of.. 

Beaver Creek (tributary to Puget Sound),

Wash., discharge measurement of.. 335 

Beaver Creek (tributary to Skagit River)

near Newhalem, Wash..............

Beckler River near Skykomish, Wash..... 129

Belfair, Wash., Mission Creek near..... 61

Tahuya River near.................... 63

Belfair, Wash., Union River near....... 59

Bellingham, Wash., Whatcom Creek nsar.. 186 

Belton, Mont., Middle Fork Flathead

River at......................... 255

Middle Fork Flathead River near......" 256

Big Beef Creek, Wash., discharge

measurements of.................. 333

Big Fork, Mont. , Swan River near....... 264

Big Soos Creek above Jenkins Creek,

near Auburn, Wash................ 104

Bingham Creek near Matlock, Wash....... 39

Birchbank, British Columbia, Columbia

River at......................... 192

Bitterroot River, East Fork, at Conner

Mont............................. 243

near Darby, Mont..................... 242

West Fork, near Conner, Mont......... 241

Bitterroot River (West Fork) Reservoir

Mont., contents of..............

Black Diamond, Wash., Green River near. 96 

Newaukum Creek near.................. 103

Black River at Little Rock, Wash....... 32

903681 0-50-23

Duckabush River near. 

Buck Lake Outlet, Wash., discharge

Buckley, Wash., Mud Mountain Reservoir

River at.

245

312

27

339

237

near Leonia, Idaho.

Basin) at Maxville, Mont.

measurement of.

Gold Creek near. 

Kitsap Lake near... 

Mission Creek near. 

Mission Lake near.. 

Panther Creek near. 

Panther Lake near.. 

Tahuya River near.. 

Union River near... 

Wildcat.Lake near.

measurement of.

near. 

White River near.

124

120

212

233

218

339 

' 69 

65 

68 

60 

59 

66 

66 

62 

57 

69

50

51

333

90

umping Lake , Wash., contents of ..... .319-320

Bumping River near Nile , Wash. ......... 325

257 Barley Creek at Burley, Wash

Burlington, Wash., Friday Creek near..

Samish River near.

121 Burnt Fork Creek near Stevensville,

Mont. 

332

dalder, Idaho, St. Joe River at. 

338 amas Reservoirs, Mont., contents of...

Canon River, Wash., discharge measurement of..........................

.'anyon Creek, Wash., discharge ireasurements of.........................

Carbon River near Fairfax, Wash........

lascade River at Marblemount, Wash..."..

Cataldo, Idaho, Coeur d'Alene River

near..............................

'edar Falls, Wash., Cedar River at.....

70

185

184

248

280

227

331

339

87

173

275

108

Cedar River near....................106,107

Rex River near....................... 112

ledar River at Cedar Falls, Wash....... 108

at Renton, Wash...................... 110

below Bear Creek, near Cedar Falls,

Wash............................. 106

near Cedar Falls, Wash............... 107

near Landsberg, Wash................. 109

North Fork, near Lester, Wash........ 105

South Fork, near Lester, Wash........ Ill

ledarville, Wash., Rock Creek at....... 33

lentralia, Wash., Skookumchuck River

near............................. 30

lentralia power canal, Wash., discharge

measurements of.................. 337

Ihambers Creek below Leach Creek, near

Steilacoom, Wash................. 80

Iharley Creek near Eagle Gorge, Wash... 101 

,'harlies Creek near Aberdeen, Waih..... 21-22

Ihehalis, Wash., Newaukum River near... 29

343
INDEX

Page 

Chehalis River at South Elma, Wash..... 25

near Doty, Wash...................... 23

near Grand Mound, Wash............... 24

South Fork at Boistfort, Wash........ 27

tributaries between, and North River. 331 

Chehalis River Basin, Wash., discharge

measurement in................... 331

gaglng-station records in............ 23-41

Chelan, Wash., Chelan River at......... 296

Lake Chelan at....................... 295

Chelan River at Chelan, Wash........... 296

Chelan River Basin, Wash., gagingstation records in..............294-297

Cherry Creek, Wash., near Duvall, Wash. 145 

Chico Creek near Bremerton, Wash....... 69

Chico Creek Basin, Wash., gagingstation records in............... 68-69

Chimacum Creek, Wash., discharge

measurement of................... 332

East Fork, Wash., discharge measurement of.......................... 332

Chimacum Creek Basin, Wash., discharge

measurements in.................. 332

Chiwawa River near Plain, Wash......... 303

Clark Creek at Puyallup, Wash.......... 93

Clark Fork above Missoula, Mont........ 219

at St. Regis, Mont................... 222

at Tarkio, Mont...................... 221

below Missoula, Mont................. 220

near Heron, Mont..................... 224

near Plains, Mont.................... 223

Cle Elum, Wash., Teanaway River near... 323 

Yakima River at...................... 315

Cle Elum Lake, Wash., contents of.....319-320

Cle Elum River near Roslyn, Wash....... 322

Clear Creek near Silverdale, Wash...... 68

Clear Lake, Wash., East Fork Nookachamps Creek near................ 183

Clearwater, Wash., Clearwater River

near............................. 45

Oueetz River near.................... 44

Clearwater Creek, Wash., discharge

measurement of................... 331

Clearwater River near Clearwater, Wash. 45 

Cloquallum River at Elma, Wash......... 35

Coal Creek, Wash., discharge measurement of.......................... 339

Coeur d'Alene Lake at Coeur d'Alene,

Idaho............................ 276

Coeur d'Alene River at Enaville, Idaho. 274 

near Cataldo. Idaho.................. 275

near Prichard, Idaho................. 273

Columbia Falls, Mont., Flathead River

at............................... 251

Flathead River near.................. 250

South Fork, Flathead River near...... 259

Columbia River at Birchbank, British

Columbia......................... 192

at Grand Coulee Dam, Wash............ 195

at International boundary............ 193

at Trinidad, Wash....................3, 196

Columbia River main stem, British

Columbia-Wash., gaging-station

records on......................192-196

Colville, Wash., Mill Creek near....... 272

Colville River at Kettle Falls, Wash... 271 

discharge measurement of............. 340

Coiville River Basin, Wash., discharge 340 

measurement in................... 340

gaging-station records in...........271-272

Como Lake, Mont., contents of.......... 227

Computations, accuracy of results of... 5 

Concrete, Wash., Baker River at........ 179

Finney Creek near.................... 180

Jackman Creek near................... 178

Skagit River near.................... 163

Conner, Mont., East Fork Bitterroot

River at......................... 243

West Fork Bitterroot River near...... 241

Contents, definition of................ 2

Control, definition of................. 1

Coolin, Idaho, Priest Lake near........ 265

Priest River near.................... 266

Cooperation, record of................. 12

Copeland, Idaho, Kootenai River near..205-206 

Corvallis, Mont., Blodgett Creek near.. 245 

Cosmopolis, Wash., Little North River

near............................. 17-18

Coulee City, Wash., Blue Lake near..... 312

Page 

311 

310

337

305

306 

near Smyrna, Wash.................... 30?

oulee City, Wash., Park Creek near... 

Park Lane near.................... .

Coulter Creek, Wash., discharge

measurements of.................

Crab Creek at Irby, Wash..............

near Moses Lake, Wash.

near Warden, Wash....................

Crab Creek Basin, Wash., discharge 

measurements in.

308

340 

gaging-station records in...........305-313

Crescent Lake Creek, Wash., discharge

measurements of.................. 336

Darby, Mont., Bitterroot River near.... 242

Rock Creek near...................... 244

Darrington, Wash., Sauk River near..... 175

Dartford, Wash., Little Spokane River

at............................... 287

Data,, accuracy of...................... 5

explanation of....................... 2-4

Day Creek, Wash., discharge measurement of.......................... 339

near Lyman, Wash..................... 182

Deep Creek at Moravia, Idaho........... 215

DeMng, Wash., Nooksack River at....... 189

Deschutes River near Olympia, Wash..... 71

Dewatto Creek, Wash., discharge measurements of......................... 332

near Dewatto, Wash................... 67

Diablo Reservoir, Wash., contents of... 165 

Dogfish Creek near Foulsbo, Wasn....... 68

West Pork, Wash., discharge measurement of.......................... 334

Dosewallips River near Brinnon, Wash... 50 

Doty, Wash., Chehalis River near....... 23

Elk Creek near....................... 26

|Douglas Creek near Helmville, Mont..... 240

Dragoon Creek, Wash., discharge

measurement of................... 340

Dubuque Creek, Wash., near Lake Stevens,

Wash............................. 150

Duckabush River near Brinnoi, Wash..... 51

Duncan Creek, Wash., discharge measurement of.......................... 335

Dungeness River, Wash., discharge

measurements of.................. 331

near Sequim, Wash.................... 49

Dungeness River Basin, Wash., discharge

measurements in.................. 331

Dutcher Creek, Wash., discharge measurement of.......................... 336

Duvall, Wash., Cherry Creek near....... 145

Duwamish River Basin, Wash., gagingstation records in...............94-104

^Eagle Gorge, Wash., Bear Creek near.... 102

Charley Creek near................... 101

Easton, Wash., Kachess River near...... 321

Eastport, Idaho, Moyie River at........ 213

Eatonville, Wash., Ohop Creek near..... 78

Eglon Creek, Wash., discharge measurement of.......................... 333

Eileen, Idaho, Moyie River at.......... 214

Electron, Wash., Puyallup River at..... 82

Puyallup River near.................. 81

Elk Creek, Wash., near Doty, Wash...... 26

Elma, Wash., Cloquallum River at....... 35

Elwha River at McDonald Bridge, near

Port Angeles, Wash............... 48

Enaville, Idaho, Coeur d'Alene River at 274

Ephrata, Wash., Rocky Ford Creek near.. 313

Essex, Mont., Bear Creek near.......... 257

Middle Fork Flathead River at........ 254

Skyland Creek near................... 258

Evans Creek, Wash., discharge measurement of.......................... 338

Everett, Wash., Wood Creek near........ 151

Fairfax, Wash., Carbon River near...... 87

Fairholm, Wash., Soleduck Piver near... 47

Fall City, Wash., Patterson Creek near. 142

Raging River near.................... 141

Perry, Wash., Kettle River near........ 268

Finn, Mont., Nevada Creek near......... 238

Pinney Creek near Concrete, Wash....... 180

Plathead Lake at Somers, Mont.......... 252

Flathead River at Columbia Palls, Mont. 251

at Flathead, British Columbia........ 249
INDEX 345

Page 

Plathead River, Middle Fork, at

Belton, Mont..................... 255

at Essex, Mont..................... 254

near Belton, Mont.................. 256

near Columbia Falls, Mont............ 250

near Poison, Mont.................... 253

South Fork, near Columbia Falls, Mont. 259 

Flint Creek at Maxville, Mont.......... 229

near Maxville, Mont.................. 830

near Southern Cross, Mont............ 238

Floods, special reports on.............. 11

Fortune Creek near Trego, Mont......... 210

Franklin D. Roosevelt Lake at Grand

Coulee Dam, Wash................. 194

Fraser River Basin, Wash., discharge

measurements in.................. 339

Fred Burr Creek near Victor, Mont...... 246

Friday Creek (Duwamish River Basin)

near Lester, Wash................ 99

Friday Creek (Samish River Basin) near

Burlington, Wash............. ... 185

Georgetown Lake, Mont., contents of.... 227

Glacier, Wash., Nooksack River near...187-188 

Gold Bar, Wash., May Creek near........ 133

Olney Creek near..................... 132

Skykomish River near................. 127

Wallace River at..................... 131

Gold Creek near Bremerton, Wash........ 65

Goodwin ditch, Wash., discharge

measurement of................... 339

Gorst Creek, Wash., discharge measurement of.......................... 335

Grand Coulee Dam, Wash., Columbia River

at.. ............................. 195

Franklin D. Roosevelt Lake at........ 194

Grand Mound, Wash., Chehalis River near 24 

Granite Creek near Newhalem, Wash...... 169

Granite Falls, Wash., Pilchuck River

near............................. 146

South Fork Stillaguamish River near.. 153 

Graywolf River, Wash., discharge

measurement of................... 331

Green River, Wash., near Auburn, Wash.. 97

Green River near Black Diamond, Wash... 96

near Lester, Wash.................... 94

near Palmer, Wash.................... 95

Greenwater, Waah., Greenwater River at. 92 

White River at....................... 88

Greenwater River at Greenwater, Wash... 92 

Griffin Creek near Tolt, Wash.......... 143

Grovers Crsek, Wash., discharge

measurements of.................. 333

Gurley Creek, Wash., discharge measurement of.......................... 335

Hamilton, Wash., Alder Creek near...... 181

Hansen Creek, Wash., discharge measurements of......................... 339

East Fork, Wash., discharge measurement of........................... 339

Hayden Creek near Hayden Lake, Idaho... 282 

Hayden Lake at Hayden Lake, Idaho...... 283

Hayden Lake Irrigation District diversion near Hayden Lake, Idaho.. 284 

Heinz Creek, Wash., discharge measurement of.......................... 335

Helmville, Mont., Blackfoot River near. 235 

Douglas Creek near................... 240

Nevada Creek near. ................... 239

Heron, Mont., Clark Fork near.......... 224

Hoh River near Spruce, Wash............ 46

Holley, Wash., Anderson Creek near..... 67

Hood Canal, Wash., streams tributary to 332 

Hoodsport-, Wash., North Fork Skokomish

River near....................... 52

Hope, British Columbia, Skagit River

near............................. 158

Hope, Idaho, Pend Oreille Lake at...... 225

Horseshoe Lake Outlet, Wash., discharge

measurement of................... 336

Howard Creek, Wash., discharge measurement of...... ................... 338

Huetter, Idaho, Rathdrum Prairie Canal

at............................... 285

Huge Creek near Wauna, Wash......... .. 70

Humptulips River near Humptulips,

Wash......... ................... 42

Page 

Icicle Creek above Snow Creek, near

Leavenworth, Wash................ 304

Illahee Creek, Wash., discharge measurement of.......................... 334

Index, Wash., North Fork Skykomish

River at......................... 130

South Fork Skykomish River near...... 126

Irby, Wash., Crab Creek at............. 305

Issaquah Creek, Wash., discharge

measurement of................... 337

near Issaquah, Wash.................116-117

Jackman Creek near Concrete, Wa^h...... 178

Jap Gulch Creek, Wash., discharge

measurement of. . .- ............... 337

Jim Creek near Arlington, Wash......... 155

Johnson Creek (tributary to Skykomish 

River), Wash., discharge measurement of.......................... 338

Johnson Creek (tributary to Sumas

River), Wash., discharge measurements of......................... 339

West Branch, Wash., discharge

measurement of. ................. 339

Jordan Creek at Marblemount, Wash...... 1V4

Kachess Lake, Wash., contents of......319-320

Kachess River near Easton, Wash........ 321

Kalispell, Mont., Ashley Creek near.... 263

Whitefish Creek near................. 262

Kapowsin Creek near Kapowsin, Wssh..... 86

Keechelus Lake, Wash., contents of....319-320

Kettle Falls, Wash., Colville River at. 271 

Kettle River near Ferry, Wash.......... 268

near Laurier, Wash................... 269

Kettle River Basin, Wash., gagingstation records in..............268-270

Kinney Creek, Wash., discharge measurement of.......................... 339

Kiona. ttash., Yakima River at.......... 318

Kitsap Creek, Wash., discharge measurements of............... 335

Kitsap Lake near Bremerton, Wash....... bb

Kittitas Canal, Wash.,, discharge

measurements of.............. 340

Koch Creek, Wash., discharge measurement of............. 334

Kootenai River at Bonners Ferry,

Idaho. ..........................29-1-202

at Boom Camp, near Bonners Ferry,

Idaho............................ 200

at Klockmann Ranch, near Bonners

Ferry, Idaho..................... 204

at Leonia, Idaho..................... 199

at Libby, Mont....................... 198

at Newgate, British Columbia......... 197

at Porthill, Idaho..................207-208

British Columbia, discharge measurements of........................339-340

near Bonners Ferry, Idaho............ 203

near Copeland, Idaho.............. .205-206

Kootenai River Basin, British ColumbiaIdaho-Mont., discharge measurements in........................339-340

gaging-station records in........... 197-218

Kootenay Lake at Kuskonook, British

Columbia......................... 209

Kuskonook, British Columbia, Kootenay

Lake at.......................... 209

La Grande, Wash., Mashel River near.... 77

Nisqually River at................... 74

Lackey Creek, Wash., discharge measurement of.......................... 336

Lake Chelan at Chelan, Wash............ 295

Lake Creek at Troy, Mont............... 211

Lake Shannon, Wash., contents of....... 165

Lake Stevens at Lake Stevens, Wish..... 148

Dubuque Creek near................... 150

Lake Stevens at...................... 148

Little Pilchuck Creek near........... 147

Stevens Creek at..................... 149

Lake Washington Basin, Wash., g-'gingstation records in..............105-124

Landsberg, Wash., Cedar River near..... 109

Rock Creek near...................... 113

Laughing Jacobs Creek, Wash., discharge

measurement of.................. 337
346 INDEX

Page 

Laurier, Wash., Kettle River near...... 269

Leavenworth, Wash., Icicle Creek near.. 304 

Lenore Lake near Soap Lake, Wash....... 312

Leonia, Idaho, Boulder Creek near...... 212

Kootenai River at.................... 199

Lester, Wash., Friday Creek near....... 99

Green River near ..................... 94

North Pork Cedar River near.......... 105

Smay Creek near...................... 100

Snow Creek near...................... 98

South Fork Cedar River near.......... Ill

Lewis Creek, Wash., discharge measurement of.......................... 337

Libby, Mont., Kootenai River at........ 198

Lightning Creek near Newhalem, Wash.... 166

Lincoln Creek near Rochester, Wash..... 31

Lind Goalee, Wash., discharge measurements of......................... 340

Little Mission Creek, Wash., discharge

measurements of.................. 332

Little North River near Cosmopolis,

Wash............................. 17-18

Little Pilchuck Creek, Wash., discharge measurements of........... 338

near Lake Stevens, Wash.............. 147

Little Quilcene River, Wash., discharge

measurement of................... 332

Little Rock, Wash., Black River at..... 32

Little Spokane River at Dartford, Wash. 287 

discharge measurements of............ 340

Lizzard Creek, Wash., discharge

measurement of................... 332

Logan Creek at Tally Lake, near

Whitefish, Mont.................. 261

Long Canyon Creek near Porthill, Idaho. 216 

Long Lake, Wash., Spokane River at..... 279

Lotus, Idaho, St. Maries River at...... 281

Lower Jocko Lake, Mont., contents of... 227 

Lucerne, Wash., Railroad Creek at...... 297

Lyman, Wash., Day Creek near........... 182

Lynden, Wash., Nooksack River near..... 190

McAleer Creek near Bothell, Wash....... 124

McCoy Creek near SuJtan, Wash.......... 135

McDonald Creek, Wash., discharge

measurement of................... 331

McKenna, Wash., Nisqually River near... 75 

Tanwax Creek near.................... 79

Machias, Wash., Roesiger Creek near.... 137

Mansford, Wash., Suiattle River near... 177 

Maple Valley, Wash., Rock Creek near... 114 

Maplewood Springs, Wash., discharge

measurements of.................. 337

Marblemount, Wash., Bacon Creek near... 172 

Cascade River at..................... 173

Jordan Creek at...................... 174

Marklemount, Wash., Skaglt River at...161-162 

Martin, Wash., Yakima River near....... 314

Marysville, Wash., Quilceda Creek near. 152 

Mashel River near La Grande, Wash...... 77

Matlock, Wash., Bingham Creek near..... 39

East Fork Satsop River near.......... 37-38

Matriotti Creek, Wash., discharge

measurement of................... 331

Maxville , Mont., Boulder Creek at...... 233

Flint Creek at....................... 229

Flint Creek near..................... 230

May Creek (Lake Washington Basin),

Wash., near Renton, Wash......... 115

May .Creek (Snohomish River Basin),

Wash., discharge measurements of. 338 

near Gold Bar, Wash.................. 133

Metaline Falls, Wash., Pend Oreille

River near....................... 226

Methow River at Twisp, Wash............ 293

Mill Creek near Colville, Wash......... 272

Mineral Creek near Mineral, Wash....... 76

Mlnter Creek, Wash., discharge

measurements of.................. 336

Mission Creek (tributary to Hood Canal),

Wash., discharge measurement of.. 332 

near Belfair, Wash................... 61

near Bremerton, Wash................. 60

Mission Creek Basin, Wash., gagingstation records in............... 59-61

Mission Creek (tributary to Puget Sound),

Wash., discharge measurement of.. 339 

Mission Lake near Bremerton, Wash...... 59

Page

Mission Valley Reservoirs, Mont., contents of......................... 227

Mlssoula, Mont., Clark Fork above...... 219

Clark Fork below..................... 220

Monroe, Wash., Woods Creek near........ 136

Montesano, Wash., Wynoochee River near. 41 

Moravia, Idaho, Deep Creek at.......... 215

Moser Creek, Wash., discharge measurement of.......................... 334

Moses Lake, Wash., Crab Creek near..... 306

Moses Lake at........................ 307

Moses Lake at Moses Lake, Wash......... 307

Mount Vernon, Wash., Skagit River near. 164 

Moyie River at Eastport, Idaho......... 213

at Eileen, Idaho..................... 214

Mud Mountain Reservoir near Buckley,

Wash............................. 89

Myers Creek near Myncaster, British

Columbia......................... 270

Myncaster, British Columbia, fiyers

Creek near....................... 270

Naches, Wash., Naches River near....... 324

Tieton River near. .................. .327,328

Naches River below Tieton River, near

Naches, Wash..................... 324

Naselle River near Naselle, Wash....... 13

National, Wash., Nisqually River near.. 72 

Nevada Creek above reservoir, near

Finn, Mont....................... 238

near Helmville, Mont................. 239

Nevada Creek Reservoir, Mont., contents

of............................... 227

New Reservation Canal, Wash., discharge

measurements of.................. 341

Newaukum Creek near Black Diamond, Wash. 103 

Mewaukum River near Chehalis, Wash..... 29

near Onalaska, Wash.................. 28

Newgate, British Columbia, Kootenai

River at......................... 197

Newhalem, Wash., Beaver Creek near..... 167

Granite Creek near................... 169

Lightning Creek near................. 166

Ross Reservoir near.................. 159

Ruby Creek near...................... 168

Skagit River at...................... 160

Stetattle Creek near................. 171

Thunder Creek near.................... 170

Newskah Creek near Aberdeen, Wash....... 19-20

Niawiakum River, Wash., discharge

measurement of................... 331

Nighthawk, Wash., Similkameen River

near............................. 292

Nile, Wash., American River near....... 326

Bumping River near................... 325

Nisqually River at La Grande, Wash..... 74

discharge measurements of............ 337

near McKenna, Wash................... 75

near National, Wash.................. 72

Nisqually River Basin, Wast ., gagingstation records in............... 72-79

Nookachamps Creek, East Fork, near

Clear Lake, Wash................. 183

Nooksack River above Cascade Creek,

near Glacier, Wash..............187-188

at Deming, Wash...................... 189

near Lynden, Wash.................... 190

South Fork, near Wickers! am, Wash.... 191

Nooksack River Basin, Wash., gagingstation records in..............187-191

Norma Creek, Wash., discharge measurement of.......................... 337

North Bend, Wash., South Fork

Snoqualmie River at.............. 140

North Creek near Bothell, Wesh.......... 123

North Nemah River near South Bend,

Wash............................. 14-15

North River near Raymond, Wash......... 16

tributaries between, and Chehalis

River............................ 331

North River Basin, Wash., discharge

measurements in.................. 331

gaging-station records ir............ 16-18

Ohop Creek near Eatonville, Wash.. 

Okanagan River at Okanagan Falls, 

British Columbia............

at Oroville, Wash...............

78

288

290
INDEX 347

Page 

Okanagan River near Tonasket, Wash..... 291

"Okanogan River Basin, Wash., gagingstation records in..............288-292

Olalla Creek, Wash., discharge

measurements of.................. 336

Old Reservation Canal, Wash., discharge measurements of........... 341

Olympia, Wash., Deschutes River near... 71 

Olney Creek, Wash., discharge measurement of.......................... 338

near Gold Bar, Wash.................. 132

Onalaska, Wash., Newaukum River near... 28 

Oroville, Wash., Okanogan River at..... 290

Osoyoos Lake near.................... 289

Orting, Wash., Puyallup River near..... 83

Osoyoos Lake near Oroville, Wash....... 289

Ovando, Mont., Blackfoot River near.... 236

Palix River, Wash., discharge measurement of.......................... 331

Palix River Basin, Wash. , discharge

measurements in.................. 331

Palmer, Wash., Green River near........ 95

Pangborn Lake Outlet, Wash., discharge

measurement of................... 339

Panther Creek near Bremerton, Wash..... 66

Panther Lake near Bremerton, Wash...... 66

Parish Creek, Wash., discharge

measurement of................... 335

Park Creek below Park Lake, near Coulee

City, Wash....................... 311

discharge measurements of............ 340

Park Lake near Coulee City, Wash....... 310

Parker, Wash., Yakima River near....... 317

Patterson Creek near Fall City, Wash... 142 

Pend Oreille Lake at Hope, Idaho....... 225

Pend Oreille River below Z Canyon, near

Metaline Falls , Wash............. 226

Pend Oreille River Basin, Idaho-Mont.,

gaging-station records in.......219-267

smaller reservoirs in................ 227

Peshastin, Wash., Wenatchee River at... 302 

Philipsburg, Mont., Middle Fork Rock

Creek near....................... 234

Trout Creek near..................... 231

Pigeon Creek, Wash., discharge measurement of.......................... 337

Pilchuck River near Granite Falls, Wash. 146 

Pine Canyon Creek near Waterville, Wash. 298 

Plain, Wash., Chiwawa River near....... 303

Wenatchee Lake near.................. 299

Wenatchee River at................... 301

Plains, Mont., Clark Pork near......... 223

Poison, Mont., Plathead River near..... 253

Port Angeles, Wash., Elwha River near.. 48 

Port Gamble inlet, Wash., discharge

measurements of.................. 333

Port Orchard, Wash.,-Blackjack Creek at 70 

Porthill, Idaho, Boundary Creek near... 218

Long Canyon Creek near............... 216

Smith Creek near..................... 217

Porter Creek at Porter, Wash........... 34

Post Falls, Idaho, Spokane River at.... 277

Spokane Valley Farm Co.'s canal at... 286 

Potlatch, Wash., North Fork Skokomish

River near....................... 53

Skokomish River near................. 54

South Pork Skokomish River near...... 55

Poulsbo, Wash., Dogfish Creek near..... 68

Prichard, Idaho, Coeur d'Alene River

near............................. 273

Priest Lake at outlet, near Coolin,

Idaho............................ 265

Priest River at outlet of Priest Lake,

nsar Coolin, Idaho............... 266

near Priest River, Idaho............. 267

Proctor Creek, Wash., discharge

measurement of................... 337

Publications on stream flow, by

Geological Survey................5-9,11

by State agencies.................... 9-10

Puget Sound Basin, Wash., discharge

measurements in.................333-339

Purdy Creek, Wash., discharge measurements of......................... 336

Puyallup, Wash., Clark Creek at........ 93

Puyallup River at.................... 85

Puyallup River at Alderton, Wash....... 84

Page 

Puyallup River at Electron, Wa<sh....... 82

at Puyallup, Wash.................... 85

discharge measurement of............. 337

near Electron, Wash.................. 81

near Orting, Wash.................... 83

Puyallup River Basin, Wash., gagingstation records in............... 81-93

Queets River near Clearwater, Wash..... 44

Queets River Basin, Wash., gagingstation records in............... 44-45

Quilceda Creek, Wash., discharge

measurements of................... 338

Middle Pork, Wash., dischargs measurements of........................338-339

near Marysville, Wash................ 152

Quinault River at Quinault Laks, Wash.. 43

Raging River near Pall City, Wish...... 141

Railroad Creek at Lucerne, Wash........ 297

Rathdrum Prairie Canal at Huetter, Idaho 285 

Raymond, Wash., North River near....... 16

Redmond, Wash., Bear Creek at.......... 122

Bear Creek near...................... 121

Sammamish Lake near.................. 118

Sammamish River near................. 119

Rendsland Creek, Wash., discharge

measurement of................... 332

Renton, Wash., Cedar River at.......... 110

May Creek near....................... 115

Rex River near Cedar Palls, Wa-sh....... 112

Rochester, Wash., Lincoln Creek near... 31 

Rock Creek (tributary to Bitter-root

River) near Darby, Mont.......... 244

Rock Creek (tributary to Cedar River)

near Landsberg, Wash............. 113

near Maple Valley, Wash.............. 114

Rock Creek (tributary to Chehalis

River) at Cedarville, Wash....... 33

Hock Creek (tributary to Flint Creek),

Middle Fork, near Philipsburg,

Mont............................. 234

Rock Creek (East Pork) Reservoir, Mont.,

contents of...................... 227

Rocky Creek, Wash., discharge measurements of......................... 337

Rocky Pord Creek, Wash., discharge

measurements of.................. 340

near Ephrata, Wash................... 313

Roesiger Creek near Machias, Wash...... 137

Roslyn, Wash., Cle Elum River near..... 322

Ross Reservoir near Newhalem, Wash..... 159

Roza Canal, Wash., discharge measure- 168

ments of......................... 340

Ruby Creek near Newhalem, Wash......... 168

Runoff in inches, definition of........ 1

St. Joe River at Calder, Idaho......... 280

St. Maries River at Lotus, Idaho....... 281

St. Regis, Mont., Clark Pork at........ 222

Salmonberry Creek, Wash., discharge

measurement of................... 335

Samish River near Burlington, Wash..... 184

Saniish River Basin, Wash., gag.'.ngstation records in..............184-185

Sammamish Lake near Redmond, Wash...... 118

Sammamish River at Bothell, Wash....... 120

near Redmond, Wash................... 119

Satsop River near Satsop, Wash......... 36

East Fork, near Matlock, Wash........ 37-38

Sauk River above Whitechuek River, near

Darrington, Wash................. 175

near Sauk, Wash...................... 176

Scandia Creek, Wash., discharge

measurement of................... 334

Seabeck, Wash., Stavis Creek near...... 67

Seabeck Creek, Wash., discharge

measurements of.................. 333

Second-feet per square mile, definition

of........ ....................... 1

Second-foot, definition of............. 1

Second-foot-day, definition of......... 1

Selah Valley Canal, Wash., discharge

measurements of.................. 340

Sequim, Wash., Dungeness River near.... 49

Silverdale , Wash., Clear Creek near.... 68

Similkameen River near Nighthavk, Wash. 292 

Skagit River at Marblemount, Wrsh.....161-162

at Newhalem, Wash.................... 160
348 INDEX

Page 

Skagit River near Concrete, Wash....... 163

near Hope, British Columbia.......... 158

near Mount Vernon, Wash.............. 164

Skagit River Basin^ British ColumbiaWash., discharge msasurements in. 339 

gaging-stations In..................158-183

reservoirs in........................ 165

Skokomish River near Potlatch, Wash.... 54

North Fork, below Staircase Rapids,

near Hoodsport, Wash............. 52

near Potlatch, Wash................ 53

South Fork, near Potlatch, Wash...... 55

Skokomish River Basin, Wash., gagingstation records in............... 52-56

Skookumohuck River near Centralia, Wash. 30

Skykomish, Wash., Beckler River near... 129

South Fork Skykomish River near...... 125

Skykomish River near Gold Bar, Wash.... 127

North Fork, at Index, Wash........... 130

South Fork, near Index, Wash......... 126

near Skykomish, Wash............... 125

Skyland Creek near Essex, Mont......... 258

Smay Creek near Lester, Wash........... 100

Smith Creek {Kootenai River- Basin) near

Porthill, Idaho.................. 217

Smith Creek {North River Basin), Wash.,

discharge measurement of......... 331

Smyrna, Wash., Crab Creek near......... 309

Snohomish, Wash., Snohomish River at... 128 

Snohomish Rive? at Snohomish, Wash..... 128

Snohomish River Basin, Wash., gagingstation records in..............125-152

Snoqualmie Falls, Wash., North Fork

Snoqualmie River near............ 139

Snoqualmie River near Tolt, Wash....... 138

North Fork, near Snoqualmie Falls,

Wash............................. 139

South Fork, at North Bend, Wash...... 140

Snow Creek near Lester, Wash........... 98

Soap Lake, Wash., Lenore Lake near..... 312

Soap Lake near ....................... 312

Soap Lake near Soap Lake, Wash......... 312

Soleduck River near Fairholm, Wash..... 47

Somers, Mont., Flathead Lake at........ 252

South Bend, Wash., North Nemah River

near............................. 14-15

South Elma, Wash., Chehalis River at... 25

Southern Cross, Mont., Flint Creek near 228

Trout Creek near..................... 232

Spokane River at Long Lake, Wash....... 279

at Post Falls, Idaho................. 277

at Spokane, Wash..................... 278

Spokane River Basin, Idaho-Wash., discharge measurements in........... 340

gaging-station records in...........273-287

Spokane Valley Farm Co.'s canal at

Post Falls, Idaho................ 286

Spruce , Wash., Hoh River near.......... 46

Stage-discharge relation, definition of 1 

Startup, Wash., Sultan River near...... 134

Stavis Creek near Seabeck, Wash........ 67

Steele Creek, Wash., discharge measurements of......................... 334

Stehekin River at Stehekin, Wash....... 294

Steilacoom, Wash., Chambers Creek near. 80 

Stetattle Creek near Hewhalem, Wash.... 171

Stevens Creek at Lake Stevens, Wash.... 149

Stevensville, Mont.,. Burnt Fork Creek

near. 

Stillaguamish River, North Fork, near

248

Arlington, Wash.................. 157 Wapatox power canal, Wash., discharge

South Fork, above Jim Creek, near 

Arlington, Wash......

near Granite Falls, Wash. 

Stlllaguamlsh River Basin, Wash.,

153

gaging-station records in.......153-157 Warren Creek, Wash., discharge measureStillwater River near Whitefish, Mont.. 260 

Strawberry Creek, Wash., discharge

measurement of................... 334

Stuck River near Sumner, Wash.......... 91

Suiattle River near Mansford, Wash....

Sullivan Creek, Wash., discharge

17?webb Creek, Wash., discharge measurements of .................

measurement of................... 335 Wenatchee Lake near Plain, Wash

Sultan, Wash., McCoy Creek near........ 135 wenatchee River at Peshastin, Wash..... - - -- -' ' 134 Sultan River near Startup, Wash. 

Sumas River, Wash., discharge measurements of .........................

Sumner, Wash., Stuck River near........

339

Sunnyside Canal, Wash., discharge

measurements of.

Page

341

Swamp Creek, Wash., discharge measurement of.......................... 331

Swan River near Big Fork, Mcnt......... 264

Swartz Lake Creek, Wash., discharge

measurement of.

Tahuya River near Belfair, Wash, 

near Bremerton, Wash..........

near Tahuya, Wash.

338

63 

62 

64

Tahuya River Basin, Wash., gagingstation records in............... 62-66

Tampico, Wash., North Fork Ahtanum 

Creek near..................

South Fork Ahtanum Creek rear... 

Tanwax Creek near McKenna, Wash.

329

330 

79 

Tarkio, Mont., Clark Fork at........... 221

Teanaway River near Cle Eluii, Wash....,

Terms, definition of ...................

Thomas Creek, Wash., discharge

measurements of..................

Thompson Falls Reservoir, Mont., contents of.

Thunder Creek near Newhalem, Wash......

Tibbets Creek, Wash., discharge measurement of.

Tieton Canal, Wash., discharge measurements of.

323 

1-2

333

227

170

340

Tieton Reservoir, Wash., contents of..319-320 

Tieton River at headworks of Tieton

Canal, near Naches, Wash......... 328

at Tieton Dam, near Naches, Wash..... 327

Tolt, Wash., Griffin Creek near........ 143

Snoqualmie River near................ 138

Tolt River near...................... 144

144 

338

Tolt River near Tolt, Wash.............

North Fork, discharge measurement of. 

Tonasket, Wash., Okanogan River near... 291 

Trego, Mont., Fortune Creek near....... 210

Trinidad, Wash., Columbia1 River at.....3, 196

Troublesome Creek, Wash., discharge

measurement of................... 337

Trout Creek {Pend Oreille River Basin) 

above main canal, near Philipsburg, Mont....................... 231

near Southern Cross, Mont............ 232

Troy, Mont., Lake Creek at............. 211

Tulalip Creek, Wash., discharge

measurements of.................. 339

Twisp, Wash., Methow River at.......... 293

Umtanum, Wash., Yakima River at.... 

Union, Wash., South Fork Skokomish 

River near.

Union Gap Canal, Wash., discharge

measurements of.

316

66

341

332

58

57

Union River, Wash., discharge measurements of.........................

near Belfair, Wash...................

near Bremerton, Wash.................

Union River Basin, Wash., gaging-station

records in....................... 57-58

Upper Columbia River Basin, British 

Columbia-Idaho-Mont.-Wash., 

gaging-station records in.......192-331

discharge measurement of............. 338 Victor, Mont., Bear Creek near......... 247

Fred Burr Creek near.

Wallace River at Gold Bar, Wash.

measurements of. 

154 Ward Creek, Wash., discharge measurement of.

Warden, Wash., Crab Creek near.

ment of.

Waterville, Wash., Pine Canyon Creek 

near ...........................

Wauna, Wash., Huge Creek near.

246

131

340

331

308

336

298

70

331

299

302

at"Plain, Wash....................... 301

below Wenatchee Lake, Wash........... 300

Wenatchee River Basin, Wash., gagingstation records in..............299-304
INDEX 349

Page

Whatcom Creel below hatchery, near

Bellingham, Wash................. 186

White River at Greenwater, Wash........ 88

near Buckley, Wash................... 90

.Whlteflsh, Mont., Logan Creek near..... 261 

Stlllwater River near................ 260

Whlteflsh Creek near Kallspell, Mont... 262

Wickersham, Wash., South Pork Nooksack

River near....................... 191

Wildcat Creek, Wash., discharge

measurements of.................. 334

Wildcat Lake near Bremerton, Wash...... 69

Wlllapa River Basin, Wash., discharge

measurements In.................. 331

Wilson Creek (tributary to Sinclair

Inlet), Wash., discharge measurement of.......................... 335

Wilson Creek (tributary to Webb Creek),

Wash., discharge measurement of.. 331 

East Fork, Wash., discharge measurement of.......................... 331

South Pork, Wash., discharge measurement of.......................... 331

Wilson Creek (tributary to Wlllapa

Creek), Wash., discharge measurement of.......................... 331

Page 

Wood Creek near Everett, Wash. ......... 151

Woods Creek, Wash., discharge measurement of .......................... 338

near Monroe , Wash .................... 136

West Fork, discharge measurement of.. 338 

Work, division of ...................... 12

scope of. ............................ 1

Wynoochee River at Oxbow, near Aberdeen,

Wash. ............................ 40

below Black Creek, near Montesano,

Wash. ............................ 41

Yaklma municipal diversion, Wash., discharge measurement of. ........... 340

Yakima River at Cle Elum, Wash. ........ 315

at Kiona , Wash ....................... 318

at TJmtanum, Wash. .................... 316

near Hartin, Wash. ................... 314

near Parker , Wash .................... 317

Yakima River Basin, Wash., discharge

measurements in .................. 340

gaging- station records in. ......... .314-330

reservoirs in. ..................... .'319-320

Yelm irrigation ditch, Wash.,

discharge measurements of........ 337

o