Report Generated 08/01/2018 at 0717

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

July - 2018
1

Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Jun 8951 1220 10632 75.6 76.5 67.9

07/01 50.1 49.7 53.9 51.3 51.7 52.5 54.4 55.8 56.2 58.2 58.9 54.4 - 10741 1526 12674 95.0 88.8 89.0 75.5

07/02 50.2 49.7 54.2 51.3 51.8 52.5 54.4 55.8 56.1 58.0 59.2 53.9 - 10357 1697 12667 92.5 83.9 84.1 75.8

07/03 50.3 49.8 54.3 51.6 52.0 52.6 54.2 55.5 55.9 57.7 58.6 53.3 - 9606 2160 12725 85.0 81.5 79.2 71.4

07/04 50.2 49.7 54.4 51.5 51.8 52.5 54.2 55.6 55.8 57.6 58.5 53.3 - 9857 1812 13129 77.5 73.7 73.0 67.8

07/05 50.4 ? 49.9 54.6 ? 51.2 51.6 ? 52.2 ? 53.9 ? 55.2 ? 55.5 ? 57.2 ? 58.4 53.2 - 10042 1715 13029 74.5 72.4 73.4 69.3

07/06 50.7 50.1 54.5 51.3 51.5 52.0 53.2 54.2 54.5 56.1 57.7 ? 52.7 - 11908 1510 13076 78.5 73.8 73.8 68.5

07/07 ? 50.5 50.0 54.6 51.3 51.7 52.2 53.5 54.5 54.6 55.7 58.9 53.2 - 11196 1213 13093 79.0 73.7 75.9 70.4

07/08 ? 50.5 ? 50.0 54.6 ? 51.5 ? 52.0 ? 52.6 ? 54.0 ? 55.0 ? 55.1 ? 56.6 ? 59.1 ? 53.7 - 10696 1850 13089 80.0 77.2 78.6 74.4

07/09 50.8 50.2 54.7 51.7 52.1 52.7 54.2 55.4 55.6 57.3 59.1 53.9 - 10666 1774 13090 82.0 77.9 79.0 71.6

07/10 50.7 50.2 54.9 52.0 52.4 53.0 54.5 55.7 56.0 57.7 59.5 54.1 - 9752 2290 13092 82.5 79.9 82.6 72.5

07/11 50.8 50.2 54.9 52.0 52.4 53.1 54.8 56.0 56.2 58.1 59.6 54.6 - 10448 1818 13084 84.5 79.5 80.0 76.3

07/12 51.0 50.4 55.1 51.7 52.2 52.8 54.6 55.9 56.1 58.1 59.6 54.7 - 10538 1144 13064 87.0 80.9 82.3 79.3

07/13 51.2 50.5 55.1 51.9 52.2 52.6 54.0 55.2 55.4 57.4 59.0 53.5 - 11418 1516 12990 85.0 77.8 78.8 77.5

07/14 51.3 50.6 55.1 51.9 52.4 53.0 54.5 55.6 55.7 57.3 59.9 55.0 - 11365 1034 13037 88.0 83.1 83.4 82.4

07/15 51.1 50.5 55.2 52.3 52.7 53.2 55.0 56.3 56.6 58.6 60.4 53.8 - 10204 1694 13139 90.0 84.0 83.1 77.8

07/16 50.9 50.5 55.3 52.2 52.7 53.4 55.2 56.6 56.9 58.9 58.4 54.5 - 10842 1763 13137 91.5 85.2 84.2 79.3

07/17 51.0 50.7 55.4 52.1 52.8 53.4 55.2 56.5 56.8 58.8 57.8 54.4 - 10423 1689 13127 90.5 84.8 84.0 81.9

07/18 51.3 50.8 55.4 52.3 52.9 53.5 55.1 56.3 56.6 58.6 57.8 54.0 - 10622 1674 13125 90.5 84.2 85.0 80.5

07/19 51.1 50.7 55.5 52.5 53.0 53.6 55.2 56.4 56.7 58.6 57.8 53.8 - 10729 1954 13138 90.5 85.2 85.1 79.4

07/20 51.1 50.8 55.6 52.3 52.9 53.4 55.2 56.5 56.8 58.9 57.7 54.3 - 10402 1746 13128 88.0 82.1 81.9 78.4

07/21 51.5 51.0 55.7 52.3 52.9 53.5 55.0 56.3 56.5 58.4 57.4 54.4 - 10897 1675 13127 84.0 79.3 79.8 77.4

07/22 51.3 50.9 55.7 52.6 53.2 53.7 55.3 56.6 56.9 58.9 57.8 54.1 - 9641 2034 13116 88.5 83.8 83.6 79.3

07/23 51.0 51.0 55.8 52.4 53.1 53.7 55.6 57.0 57.3 59.4 58.1 54.6 - 11613 1153 13135 91.5 86.0 84.9 81.0

07/24 50.8 50.9 55.9 52.4 53.1 53.6 55.4 56.8 57.1 59.3 58.2 54.0 - 10821 1682 13132 93.0 86.7 86.0 81.8

07/25 ? 50.6 51.0 55.9 52.3 52.9 53.5 55.3 56.6 57.0 59.1 57.5 53.9 - 10959 1062 13122 92.0 87.8 87.6 80.9

07/26 ? 50.6 51.1 ? 56.5 52.0 52.5 53.1 54.6 55.8 56.2 58.0 57.6 52.7 - 11385 14 13102 ↑ 94.5 84.7 84.7 80.3

07/27 # - 51.4 # - 51.9 52.4 52.8 54.3 55.7 56.1 57.8 57.5 52.5 - - - - 87.5 81.8 80.4 79.0

07/28 # - 51.0 # - 51.9 52.2 52.6 53.6 54.5 54.9 56.8 57.5 53.4 - - - - 85.5 78.3 81.0 76.8

07/29 # - 49.3 # - 51.2 51.8 52.4 54.0 ? 55.1 55.3 56.5 56.9 52.6 - - - - 86.5 80.2 80.9 73.9

07/30 50.8 49.8 # - 49.8 50.2 50.7 52.2 53.4 54.0 56.2 57.2 52.8 - - - - 88.0 80.0 80.1 75.5

07/31 52.3 51.1 # - 50.2 50.5 50.9 52.1 53.2 53.5 54.9 57.1 52.9 - 7913 - 12872 86.5 80.0 79.8 74.7

Jul 10557 1585 13046 81.2 81.5 76.5

285041 41199 352239

Legend Notes 565367 81717 698652

? = 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

54.4

Total AF

RDB

Total CFS

IGO -----

58.3 53.7

LWS

52.2

55.6

Mean Daily 

Air Temperatures (°F)

56.8 58.5

86.8

RDD

-

79.4

BND

55.9 57.8

51.8 51.7 52.2 52.9 54.9 56.4

50.9 50.4 55.1 51.8 52.2 52.8

D

A

T

E

Mean Daily Water Temperatures (°F) Mean Daily 

Release (CFS)

50.9 49.9 54.9 -

TCD SAC CCR JLF 1 SHD SPP1 KWK BSF2 3
2

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

07/01 75 105 90.0 79 106 92.5 69 102 85.5 65 96 80.5 63 91 77.0 60 92 76.0 62 94 78.0 63 96 79.5 66 99 82.5 67 97 82.0 67 95 81.0 67 96 81.5

07/02 80 110 95.0 80 102 91.0 67 97 82.0 64 93 78.5 60 93 76.5 62 92 77.0 62 97 79.5 64 100 82.0 70 104 87.0 70 105 87.5 69 100 84.5 69 101 85.0

07/03 79 106 92.5 74 97 85.5 65 91 78.0 60 92 76.0 64 92 78.0 62 99 80.5 65 99 82.0 66 99 82.5 69 102 85.5 68 102 85.0 68 98 83.0 67 99 83.0

07/04 74 96 85.0 66 93 79.5 61 94 77.5 64 92 78.0 62 100 81.0 66 103 84.5 69 105 87.0 69 106 87.5 72 105 88.5 69 103 86.0 68 99 83.5 67 99 83.0

07/05 66 89 77.5 58 92 75.0 64 92 78.0 62 98 80.0 65 100 82.5 67 101 84.0 70 102 86.0 69 102 85.5 69 106 87.5 70 103 86.5 71 100 85.5 69 100 84.5

07/06 57 92 74.5 67 92 79.5 65 98 81.5 66 98 82.0 67 100 83.5 68 103 85.5 70 102 86.0 69 103 86.0 72 106 89.0 72 104 88.0 73 101 87.0 70 101 85.5

07/07 65 92 78.5 59 98 78.5 66 99 82.5 67 100 83.5 66 101 83.5 69 103 86.0 71 101 86.0 71 101 86.0 73 106 89.5 72 103 87.5 72 99 85.5 69 100 84.5

07/08 59 99 79.0 61 99 80.0 67 100 83.5 67 102 84.5 69 104 86.5 72 103 87.5 72 102 87.0 73 105 89.0 75 110 92.5 73 104 88.5 73 100 86.5 70 100 85.0

07/09 61 99 80.0 65 100 82.5 67 102 84.5 69 105 87.0 72 105 88.5 73 106 89.5 73 107 90.0 73 106 89.5 75 106 90.5 72 104 88.0 72 101 86.5 70 101 85.5

07/10 63 101 82.0 63 103 83.0 68 106 87.0 71 106 88.5 74 105 89.5 74 105 89.5 73 105 89.0 72 104 88.0 71 106 88.5 70 105 87.5 71 99 85.0 68 98 83.0

07/11 63 102 82.5 65 106 85.5 70 108 89.0 73 104 88.5 73 105 89.0 73 107 90.0 71 103 87.0 69 103 86.0 73 109 91.0 73 105 89.0 73 102 87.5 70 100 85.0

07/12 65 104 84.5 70 107 88.5 73 102 87.5 73 107 90.0 74 109 91.5 74 107 90.5 72 104 88.0 69 104 86.5 72 107 89.5 71 104 87.5 70 100 85.0 68 100 84.0

07/13 67 107 87.0 72 103 87.5 73 108 90.5 73 108 90.5 74 110 92.0 72 107 89.5 71 105 88.0 69 102 85.5 72 105 88.5 73 102 87.5 73 101 87.0 70 102 86.0

07/14 72 98 85.0 71 105 88.0 74 107 90.5 73 109 91.0 72 109 90.5 71 105 88.0 70 101 85.5 68 99 83.5 70 104 87.0 73 105 89.0 72 103 87.5 70 103 86.5

07/15 70 106 88.0 77 107 92.0 74 108 91.0 73 110 91.5 72 106 89.0 70 104 87.0 68 102 85.0 69 102 85.5 72 105 88.5 70 105 87.5 70 101 85.5 68 99 83.5

07/16 75 105 90.0 77 107 92.0 75 111 93.0 76 112 94.0 75 108 91.5 72 106 89.0 70 102 86.0 68 101 84.5 71 104 87.5 71 105 88.0 70 101 85.5 68 100 84.0

07/17 75 108 91.5 73 111 92.0 77 113 95.0 76 109 92.5 75 103 89.0 69 102 85.5 69 101 85.0 68 100 84.0 70 104 87.0 69 105 87.0 70 101 85.5 68 101 84.5

07/18 72 109 90.5 73 110 91.5 73 108 90.5 71 102 86.5 70 102 86.0 70 104 87.0 69 106 87.5 71 106 88.5 74 110 92.0 73 108 90.5 72 103 87.5 68 101 84.5

07/19 72 109 90.5 73 109 91.0 71 103 87.0 69 102 85.5 70 102 86.0 70 106 88.0 70 106 88.0 71 106 88.5 74 111 92.5 73 108 90.5 73 103 88.0 69 102 85.5

07/20 72 109 90.5 74 103 88.5 68 102 85.0 70 103 86.5 70 107 88.5 70 109 89.5 70 108 89.0 69 107 88.0 71 106 88.5 70 104 87.0 69 100 84.5 67 99 83.0

07/21 72 104 88.0 69 101 85.0 70 101 85.5 70 107 88.5 70 108 89.0 71 109 90.0 70 108 89.0 69 106 87.5 71 105 88.0 69 104 86.5 68 100 84.0 68 100 84.0

07/22 67 101 84.0 75 102 88.5 71 106 88.5 71 108 89.5 71 108 89.5 70 108 89.0 69 107 88.0 69 105 87.0 71 105 88.0 69 105 87.0 70 101 85.5 68 101 84.5

07/23 74 103 88.5 77 106 91.5 74 108 91.0 75 109 92.0 73 109 91.0 71 107 89.0 69 105 87.0 68 103 85.5 71 106 88.5 70 105 87.5 70 100 85.0 68 100 84.0

07/24 77 106 91.5 78 107 92.5 77 110 93.5 76 110 93.0 71 108 89.5 69 108 88.5 68 106 87.0 67 104 85.5 70 105 87.5 69 104 86.5 68 98 83.0 66 98 82.0

07/25 78 108 93.0 76 109 92.5 73 111 92.0 72 108 90.0 69 107 88.0 70 107 88.5 69 105 87.0 66 102 84.0 69 104 86.5 68 104 86.0 69 102 85.5 68 100 84.0

07/26 73 111 92.0 77 112 94.5 74 111 92.5 70 109 89.5 69 109 89.0 69 105 87.0 68 103 85.5 67 103 85.0 68 105 86.5 69 104 86.5 69 100 84.5 67 99 83.0

07/27 76 113 94.5 73 110 91.5 71 110 90.5 70 109 89.5 71 107 89.0 70 105 87.5 68 104 86.0 66 103 84.5 69 102 85.5 68 102 85.0 68 100 84.0 68 101 84.5

07/28 72 103 87.5 72 109 90.5 70 109 89.5 70 107 88.5 70 105 87.5 67 102 84.5 65 102 83.5 65 102 83.5 67 101 84.0 66 104 85.0 68 101 84.5 68 101 84.5

07/29 72 99 85.5 70 101 85.5 70 106 88.0 70 105 87.5 70 104 87.0 67 100 83.5 64 101 82.5 64 100 82.0 67 101 84.0 66 104 85.0 67 100 83.5 66 99 82.5

07/30 69 104 86.5 72 103 87.5 69 104 86.5 68 102 85.0 65 100 82.5 65 102 83.5 65 102 83.5 65 100 82.5 66 101 83.5 65 99 82.0 66 96 81.0 65 96 80.5

07/31 73 103 88.0 72 102 87.0 68 103 85.5 65 102 83.5 65 101 83.0 65 98 81.5 63 96 79.5 63 94 78.5 66 92 79.0 65 93 79.0 66 94 80.0 64 96 80.0

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

70

74

78

82

86

90

94

98

50

51

52

53

54

55

56

57

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

07/01 52.5 53.9 53.0 54.3 54.4

07/02 52.6 54.0 53.0 54.3 54.4

07/03 52.7 53.8 52.9 54.2 54.2

07/04 52.4 53.6 52.7 54.0 54.2

07/05 52.1 53.3 52.6 53.9 53.9

07/06 52.0 52.3 52.4 53.6 53.2

07/07 52.3 53.6 52.4 53.5 53.5

07/08 52.6 53.7 52.4 53.5 54.0

07/09 52.6 53.9 52.4 53.5 54.2

07/10 53.3 54.2 52.5 53.5 54.5

07/11 53.0 54.3 52.6 53.6 54.8

07/12 52.9 54.1 52.7 53.7 54.6

07/13 52.7 53.5 52.8 53.9 54.0

07/14 53.2 54.4 52.9 54.0 54.5

07/15 53.7 55.0 53.1 54.2 55.0

07/16 53.4 54.7 53.2 54.3 55.2

07/17 53.5 54.7 53.2 54.4 55.2

07/18 53.8 55.0 53.3 54.5 55.1

07/19 53.9 55.2 53.5 54.6 55.2

07/20 53.5 54.7 53.6 54.8 55.2

07/21 53.6 54.9 53.6 54.9 55.0

07/22 53.9 55.0 53.7 54.9 55.3

07/23 53.7 55.0 53.7 54.9 55.6

07/24 53.6 54.8 53.7 54.9 55.4

07/25 53.5 54.7 53.7 54.9 55.3

07/26 53.1 54.1 53.6 54.7 54.6

07/27 53.1 54.0 53.5 54.6 54.3

07/28 52.7 53.3 53.4 54.4 53.6

07/29 52.7 53.5 53.2 54.2 54.0

07/30 50.6 51.4 52.8 53.7 52.2

07/31 51.2 51.9 52.4 53.3 52.1

Notes12

DAT

D

2

ATE SAC CCR SAC

7DADM

1 Daily Max

CCR

7DADM = 7-Day Average 

Daily Maximum

DAT = Daily Average 

Temperature

BSF

85

90

95

100

105

110

115

50

51

52

53

54

55

56

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

Air Temperature (°F)

Water Temperature (°F)

Daily Maximum

SAC CCR RDD (Air)

50

51

52

53

54

55

56

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

Water Temperature (°F)

7DADM
5

Latest Profile Date: 07/24/2018

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 - 2018

(Water Temperature, in °F)

Total Daily Storage
6

Latest Profile Date: 07/12/2018

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 - 2018

(Water Temperature, in °F)

Total Daily Storage
7

Latest Profile Date: 07/11/2018

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 - 2018

(Water Temperature, in °F)

Total Daily Storage