Report Generated 02/05/2019 at 1501

Page Description

1 - Mean Daily Water Temperature, Release Flow Rates and Air Temperatures with Monthly Averages

2 - Redding 10-Day Forecasted Air Temperatures

3 - Sacramento River Mean Daily Water Temperature, Air Temperature and 10-Day Forecasted Air Temperature Plot

- Water Temperature Measuring Station Details

- Temperature Control Point Details

4 - Daily Maximum and 7DADM 

5 - Shasta Lake Isothermobaths Plot

6 - Trinity Lake Isothermobaths Plot

7 - Whiskeytown Lake Isothermobaths Plot

x - TCD Configuration (External Link)

All Data in this Report is Preliminary and Subject to Change

Northern CVP Water Temperature Report

January - 2019
1

Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Dec 3454 230 4012 45.4 47.6 -

01/01 52.9 52.2 50.5 51.4 51.0 50.5 48.8 47.9 ? 47.4 47.4 47.2 40.2 - 3153 44 4001 50.0 44.9 43.7 29.0

01/02 52.7 52.2 50.6 51.2 50.8 50.6 49.2 48.3 ? 47.7 47.3 47.4 40.0 - 4323 44 4090 43.5 39.4 41.1 30.7

01/03 52.9 52.3 50.4 51.1 50.7 50.5 49.2 48.4 47.9 47.6 47.5 41.4 - 3847 44 4114 42.0 37.5 39.4 34.6

01/04 52.9 52.3 50.0 51.3 51.0 50.9 49.4 48.8 ? 48.3 47.9 47.6 41.9 - 2948 44 4077 44.5 39.6 41.8 36.8

01/05 52.5 52.1 49.6 51.3 50.7 50.5 49.0 48.5 48.1 47.8 46.6 41.6 - 3154 44 4075 40.0 38.7 39.9 36.9

01/06 52.3 51.9 49.4 51.3 50.3 50.6 47.7 47.8 47.7 47.8 46.2 41.4 - 3544 44 4078 45.0 45.8 46.0 34.5

01/07 52.3 51.9 49.4 51.2 50.6 50.9 47.6 47.3 ? 47.0 46.9 46.8 42.1 - 3539 44 4064 46.0 45.0 44.7 37.5

01/08 52.2 51.8 48.6 51.1 50.7 51.0 49.5 49.4 ! - 48.6 47.7 42.7 - 3414 433 4073 50.5 48.0 48.7 44.1

01/09 52.1 51.7 48.5 50.7 50.5 51.1 49.9 50.0 ? 50.0 50.3 48.7 43.5 - 2068 1157 4077 55.0 55.0 54.8 46.1

01/10 52.1 51.7 48.4 50.5 50.5 50.9 50.7 50.7 50.8 50.8 48.8 43.8 - 791 1976 4080 55.0 50.1 51.2 44.4

01/11 52.0 51.6 48.4 50.3 50.2 50.4 49.9 49.8 49.9 50.2 47.9 43.3 - 2812 1263 4071 46.5 46.2 47.6 43.7

01/12 51.8 51.5 48.3 50.5 50.4 50.6 49.9 49.8 49.8 49.9 48.0 43.2 - 1867 979 4077 52.5 47.2 51.5 43.6

01/13 51.8 51.4 48.5 50.7 50.5 50.7 49.7 49.6 49.6 49.7 47.8 42.4 - 3321 409 3998 51.5 45.3 49.1 43.3

01/14 51.8 51.2 48.5 50.6 50.3 50.4 49.1 49.0 48.9 49.0 47.1 42.2 - 3400 442 3811 58.5 44.9 47.2 37.6

01/15 51.7 51.1 48.3 50.6 50.4 50.6 49.8 49.7 49.7 49.4 47.7 43.4 - 2363 937 3660 ! - 47.2 47.3 42.3

01/16 51.4 51.1 48.2 50.2 49.9 50.3 49.0 49.1 49.3 49.6 48.1 43.1 - 1792 1367 3499 ! - 50.4 51.3 41.9

01/17 51.1 51.0 48.3 50.1 49.9 50.3 49.9 49.8 ? 49.9 50.0 48.9 43.5 - 515 1345 3484 48.0 50.2 51.9 41.3

01/18 51.2 50.5 48.1 49.9 49.7 49.9 48.8 48.5 # - 48.9 47.9 43.1 - 236 2054 3285 46.0 44.8 46.3 38.2

01/19 50.9 50.4 48.2 49.6 49.6 49.9 49.3 49.3 # - 49.2 48.8 43.9 - 303 1883 3154 49.0 48.8 49.9 42.3

01/20 50.8 50.5 48.1 49.5 49.7 50.1 49.8 50.4 # - 50.5 49.7 44.5 - 854 1561 3097 52.5 51.5 52.9 44.8

01/21 50.6 50.3 48.1 49.7 49.5 49.9 48.3 48.4 # - 49.0 47.8 43.1 - 550 1641 3092 47.5 45.8 47.8 38.4

01/22 51.0 50.4 48.3 49.6 49.3 49.4 47.7 47.5 # - 47.9 47.0 42.5 - 2975 482 3095 53.0 46.0 47.9 35.1

01/23 50.8 50.5 48.1 49.5 49.2 49.5 47.9 47.5 # - 47.5 47.1 42.8 - 1169 1266 3133 46.5 43.1 45.7 38.3

01/24 50.9 50.3 48.1 49.5 49.3 49.6 48.5 48.1 # - 47.9 47.6 43.4 - 3678 546 3123 58.5 52.5 54.3 42.6

01/25 51.1 50.2 48.2 49.6 49.4 49.7 48.6 48.5 # - 48.6 47.5 43.3 - 2074 406 3126 54.0 49.0 51.5 39.3

01/26 50.7 50.2 48.3 49.7 49.6 49.9 49.1 48.8 # - 48.7 48.1 43.6 - 2320 261 3125 60.5 53.9 53.6 39.2

01/27 50.6 50.0 48.2 49.9 49.9 50.3 49.8 49.8 # - 49.6 48.2 43.8 - 2353 453 3128 55.5 51.5 54.9 42.5

01/28 50.8 50.1 48.2 49.9 49.8 50.1 49.8 49.9 # - 50.1 48.5 44.3 - 2159 383 3128 52.5 49.5 50.9 43.2

01/29 51.0 50.0 48.2 50.0 50.1 50.7 50.6 50.8 # - 50.6 48.7 44.3 - 2211 449 3130 57.5 52.8 54.3 46.1

01/30 50.4 49.8 48.2 50.0 50.1 50.5 50.8 51.2 # - 51.5 48.3 44.5 - 2416 493 3127 53.0 51.0 52.3 45.4

01/31 50.4 49.7 48.0 50.2 50.3 50.8 51.1 51.5 # - 51.7 48.2 44.1 - 2194 552 3139 55.0 52.6 54.1 45.1

Jan 2334 743 3587 47.4 48.8 40.3

72343 23046 111211

Legend Notes 143489 45711 220582

? = 1-9 hours of data missing (Average includes estimations) 1 Temperatures are weighted averages based on individual penstock flow and temperature

! = 10 or more hours of data missing (Average not calculated) Highlighted cells in the TCD column indicate a TCD change was made on that day

# = Station out of service 2 Current control point (see page 3 for more details)

↑ = Record high air temperature 3 Column not used this month

↓ = Record low air temperature

 = Monthly Averages

50.4

D

A

T

E

Mean Daily Water Temperatures (°F) Mean Daily 

Release (CFS)

54.0 53.4 50.2 -

TCD SAC CCR JLF 1 SHD SPP1 KWK BSF2

51.5 51.0 48.6 50.3 50.1

52.4 52.8 52.5 52.3 51.4 50.9

Mean Daily 

Air Temperatures (°F)

50.6 50.6

50.7

RDD

-

48.0

BND

49.3 - 49.1

Total AF

RDB

Total CFS

IGO -----

47.9 42.9

LWS

-

49.2

3
2

↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg

01/01 41 55 48.0 42 56 49.0 33 56 44.5 35 55 45.0 36 56 46.0 36 53 44.5 37 54 45.5 40 54 47.0 44 53 48.5 41 57 49.0 38 57 47.5 40 56 48.0

01/02 42 58 50.0 31 59 45.0 33 56 44.5 34 55 44.5 38 53 45.5 41 52 46.5 41 54 47.5 42 55 48.5 43 53 48.0 39 56 47.5 35 57 46.0 38 61 49.5

01/03 29 58 43.5 30 56 43.0 33 55 44.0 36 51 43.5 39 51 45.0 41 53 47.0 42 54 48.0 39 56 47.5 45 55 50.0 40 55 47.5 38 59 48.5 42 60 51.0

01/04 30 54 42.0 33 53 43.0 36 49 42.5 38 49 43.5 40 54 47.0 44 54 49.0 43 55 49.0 39 55 47.0 40 54 47.0 39 54 46.5 37 55 46.0 38 59 48.5

01/05 32 57 44.5 33 50 41.5 38 48 43.0 39 52 45.5 42 54 48.0 43 53 48.0 40 55 47.5 37 56 46.5 39 61 50.0 40 60 50.0 40 61 50.5 42 62 52.0

01/06 32 48 40.0 44 48 46.0 39 50 44.5 43 54 48.5 44 55 49.5 41 56 48.5 39 56 47.5 40 56 48.0 46 56 51.0 41 58 49.5 39 57 48.0 39 62 50.5

01/07 43 47 45.0 43 50 46.5 44 53 48.5 46 55 50.5 43 56 49.5 42 55 48.5 43 53 48.0 41 54 47.5 45 62 53.5 44 57 50.5 42 56 49.0 43 58 50.5

01/08 43 49 46.0 47 54 50.5 47 56 51.5 43 58 50.5 42 57 49.5 41 55 48.0 42 55 48.5 39 56 47.5 40 60 50.0 43 55 49.0 40 57 48.5 40 54 47.0

01/09 47 54 50.5 53 55 54.0 44 57 50.5 40 56 48.0 41 57 49.0 42 51 46.5 44 52 48.0 41 50 45.5 46 55 50.5 40 58 49.0 41 57 49.0 37 61 49.0

01/10 52 58 55.0 51 56 53.5 42 56 49.0 41 56 48.5 40 54 47.0 41 55 48.0 41 53 47.0 43 54 48.5 46 56 51.0 45 58 51.5 42 61 51.5 42 59 50.5

01/11 51 59 55.0 39 56 47.5 43 58 50.5 40 56 48.0 40 54 47.0 41 52 46.5 43 53 48.0 43 54 48.5 46 56 51.0 43 55 49.0 42 58 50.0 37 62 49.5

01/12 38 55 46.5 48 60 54.0 37 59 48.0 37 55 46.0 40 51 45.5 42 54 48.0 44 54 49.0 41 54 47.5 45 57 51.0 43 60 51.5 42 63 52.5 42 66 54.0

01/13 48 57 52.5 37 60 48.5 36 57 46.5 40 51 45.5 42 54 48.0 44 53 48.5 42 54 48.0 41 55 48.0 42 57 49.5 40 61 50.5 41 63 52.0 43 67 55.0

01/14 37 66 51.5 54 57 55.5 41 50 45.5 44 55 49.5 46 53 49.5 40 54 47.0 40 57 48.5 41 55 48.0 42 59 50.5 42 65 53.5 44 66 55.0 43 64 53.5

01/15 54 63 58.5 46 51 48.5 43 55 49.0 46 54 50.0 39 53 46.0 40 58 49.0 42 55 48.5 38 57 47.5 41 63 52.0 41 65 53.0 43 66 54.5 42 65 53.5

01/16 NR NR NR NR 54 NR 47 55 51.0 40 53 46.5 41 58 49.5 44 57 50.5 36 58 47.0 37 61 49.0 37 65 51.0 44 65 54.5 41 65 53.0 42 65 53.5

01/17 NR NR NR NR 54 NR 42 52 47.0 44 57 50.5 46 56 51.0 35 57 46.0 36 61 48.5 39 63 51.0 45 60 52.5 39 64 51.5 40 65 52.5 42 65 53.5

01/18 41 55 48.0 45 52 48.5 46 57 51.5 49 58 53.5 35 56 45.5 35 63 49.0 38 66 52.0 41 65 53.0 45 65 55.0 43 68 55.5 45 68 56.5 45 68 56.5

01/19 42 50 46.0 46 57 51.5 49 57 53.0 37 57 47.0 33 61 47.0 38 66 52.0 40 67 53.5 38 65 51.5 41 66 53.5 42 68 55.0 44 67 55.5 44 60 52.0

01/20 47 51 49.0 48 57 52.5 36 57 46.5 34 61 47.5 38 65 51.5 41 66 53.5 39 66 52.5 39 65 52.0 43 65 54.0 44 64 54.0 43 65 54.0 45 66 55.5

01/21 47 58 52.5 37 55 46.0 34 60 47.0 37 61 49.0 40 65 52.5 38 67 52.5 38 68 53.0 39 67 53.0 42 68 55.0 43 66 54.5 41 66 53.5 42 66 54.0

01/22 36 59 47.5 45 59 52.0 36 61 48.5 40 66 53.0 40 67 53.5 40 67 53.5 40 68 54.0 41 65 53.0 47 65 56.0 43 63 53.0 42 61 51.5 37 63 50.0

01/23 42 64 53.0 34 61 47.5 40 65 52.5 38 66 52.0 41 68 54.5 42 69 55.5 42 66 54.0 40 64 52.0 41 66 53.5 39 66 52.5 41 64 52.5 41 64 52.5

01/24 33 60 46.5 45 64 54.5 37 67 52.0 39 69 54.0 41 70 55.5 43 65 54.0 40 63 51.5 39 62 50.5 41 67 54.0 39 63 51.0 42 59 50.5 42 65 53.5

01/25 45 72 58.5 36 73 54.5 42 71 56.5 42 70 56.0 42 69 55.5 42 65 53.5 42 64 53.0 43 62 52.5 45 63 54.0 47 59 53.0 44 59 51.5 43 63 53.0

01/26 33 75 54.0 50 70 60.0 41 72 56.5 42 69 55.5 42 67 54.5 43 64 53.5 42 62 52.0 44 59 51.5 47 57 52.0 44 59 51.5 42 64 53.0 44 65 54.5

01/27 49 72 60.5 40 72 56.0 46 70 58.0 46 68 57.0 46 66 56.0 42 67 54.5 45 58 51.5 43 60 51.5 39 67 53.0 42 63 52.5 41 62 51.5 37 63 50.0

01/28 38 73 55.5 44 68 56.0 45 70 57.5 44 63 53.5 42 67 54.5 45 55 50.0 41 57 49.0 39 54 46.5 40 59 49.5 42 64 53.0 41 63 52.0 43 61 52.0

01/29 43 62 52.5 48 69 58.5 44 64 54.0 42 64 53.0 45 55 50.0 42 55 48.5 40 54 47.0 37 57 47.0 40 62 51.0 40 65 52.5 41 62 51.5 41 60 50.5

01/30 45 70 57.5 43 66 54.5 43 67 55.0 47 56 51.5 44 55 49.5 40 52 46.0 33 52 42.5 31 55 43.0 38 62 50.0 40 56 48.0 39 60 49.5 40 63 51.5

01/31 42 64 53.0 41 68 54.5 48 57 52.5 45 55 50.0 41 53 47.0 34 47 40.5 28 53 40.5 31 57 44.0 38 60 49.0 39 61 50.0 39 60 49.5 40 61 50.5

Web Links Legend

10-Day Min/Max Forecast NR = Forecasted temperatures not recorded

Previous Days Min/Max Actuals 100 = Previous day actual temperatures in red and bolded indicate a record temperature for that date

9 Days 10 Days

Redding (RDD) Daily Air Temperatures (°F)

8 Days

D

A

T

E

Forecasted

4 Days 5 Days 6 Days

Actual

Previous Day Current Day 1 Day 2 Days 3 Days 7 Days
3

Code Body of Water Location1 CDEC Link Point Temp. (°F) Begin Date

TCD N/A Shasta Power Plant N/A BSF 56.0 05/25/2018

SHD Sacramento River 0.3 miles downstream of Shasta Power Plant Click Here

SPP N/A Spring Creek Power Plant N/A

KWK Sacramento River 0.8 miles downstream of Keswick Dam Click Here

SAC Sacramento River 4.8 miles downstream of Keswick Dam Click Here

CCR Sacramento River 9.7 miles downstream of Keswick Dam Click Here

BSF Sacramento River 25 miles downstream of Keswick Dam Click Here

JLF Sacramento River 34 miles downstream of Keswick Dam Click Here

BND Sacramento River 41 miles downstream of Keswick Dam Click Here

RDB Sacramento River 58 miles downstream of Keswick Dam Click Here Notes

IGO Clear Creek 7.3 miles downstream of Whiskeytown Dam Click Here

LWS Trinity River 1.1 miles downstream of Lewiston Dam Click Here 1 Distances are approximate

DGC2 Trinity River 19 miles downstream of Lewiston Dam Click Here 2 DGC is only reported in September

NFH3 Trinity River 38 miles downstream of Lewiston Dam Click Here 3 NFH is only reported in October, November and December

Station Details Temperature Control Point

35

39

43

47

51

55

59

63

47

48

49

50

51

52

53

54

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

Air Temperature (°F)

Water Temperature (°F)

Mean Daily Temperatures

TCD KWK SAC CCR BSF RDD (Air)
4

01/01 52.0 51.5 52.3 52.2 48.8

01/02 51.9 51.8 52.2 52.0 49.2

01/03 51.5 51.5 52.1 51.9 49.2

01/04 52.0 52.0 52.1 51.9 49.4

01/05 50.9 50.7 51.8 51.6 49.0

01/06 50.7 50.7 51.6 51.4 47.7

01/07 51.0 51.3 51.4 51.4 47.6

01/08 51.0 51.2 51.3 51.3 49.5

01/09 50.9 51.7 51.1 51.3 49.9

01/10 51.2 51.6 51.1 51.3 50.7

01/11 50.9 51.2 50.9 51.2 49.9

01/12 51.7 51.9 51.1 51.4 49.9

01/13 51.7 52.0 51.2 51.6 49.7

01/14 51.1 51.2 51.2 51.5 49.1

01/15 50.6 50.8 51.2 51.5 49.8

01/16 50.2 50.5 51.1 51.3 49.0

01/17 50.6 50.6 51.0 51.2 49.9

01/18 49.9 50.3 50.8 51.0 48.8

01/19 49.7 50.1 50.5 50.8 49.3

01/20 50.2 50.6 50.3 50.6 49.8

01/21 50.7 51.0 50.3 50.6 48.3

01/22 50.5 50.7 50.3 50.5 47.7

01/23 50.2 50.7 50.3 50.6 47.9

01/24 50.7 51.1 50.3 50.6 48.5

01/25 50.8 51.2 50.4 50.8 48.6

01/26 50.6 51.0 50.5 50.9 49.1

01/27 51.2 51.7 50.7 51.1 49.8

01/28 50.2 50.7 50.6 51.0 49.8

01/29 51.4 52.0 50.7 51.2 50.6

01/30 51.4 51.8 50.9 51.4 50.8

01/31 51.7 52.4 51.0 51.5 51.1

Notes12

DAT

D

2

ATE SAC CCR SAC

7DADM

1 Daily Max

CCR

7DADM = 7-Day Average 

Daily Maximum

DAT = Daily Average 

Temperature

BSF

44

48

52

56

60

64

68

72

76

49

50

51

52

53

13579 11 13 15 17 19 21 23 25 27 29 31

Air Temperature (°F)

Water Temperature (°F)

Daily Maximum

SAC CCR RDD (Air)

49

50

51

52

53

13579 11 13 15 17 19 21 23 25 27 29 31

Water Temperature (°F)

7DADM
5

Latest Profile Date: 01/03/2019

0

300

600

900

1200

1500

1800

2100

2400

2700

3000

3300

3600

3900

4200

4500

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Shasta Lake Isothermobaths - 2019

(Water Temperature, in °F)

Total Daily Storage
6

Latest Profile Date: 01/24/2019

0

200

400

600

800

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Trinity Lake Isothermobaths - 2019

(Water Temperature, in °F)

Total Daily Storage
7

Latest Profile Date: 01/23/2019

0

20

40

60

80

100

120

140

160

180

200

220

240

260

280

300

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Whiskeytown Lake Isothermobaths - 2019

(Water Temperature, in °F)

Total Daily Storage