Report Generated 07/09/2020 at 1350

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

August - 2019
Shasta 

Generation 

Spring 

Creek P.P.

Keswick 

Total BSF RDB LWS

Jul 9218 1240 10873 78.2 78.3 -

08/01 50.6 50.2 55.1 51.2 52.1 52.7 - 54.7 56.4 57.2 58.4 58.2 52.3 - 9927 912 10887 81.0 76.1 76.3 -

08/02 50.7 ? 50.3 55.1 51.4 52.2 52.6 - ! - 56.1 56.9 58.2 58.4 52.1 - 9494 1491 10903 83.5 - 79.0 -

08/03 50.7 50.2 55.4 51.4 52.1 52.9 - # - 56.4 57.3 58.5 58.8 52.7 - 9633 997 10890 87.0 - 80.2 -

08/04 50.8 50.3 55.5 51.5 52.3 52.9 - # - 56.6 57.4 58.7 58.8 52.5 - 8756 963 10926 85.5 - 80.1 -

08/05 50.8 50.3 55.5 51.7 52.3 52.6 - ! - 56.0 56.8 58.1 57.6 52.1 - 9049 1269 10927 82.0 - 77.5 -

08/06 50.9 # - 55.5 51.9 52.5 53.0 - 54.6 56.1 56.8 57.9 58.2 ! - - 9660 1125 10831 86.0 79.1 81.2 -

08/07 50.9 # - 55.6 51.8 52.5 52.9 53.8 54.7 56.3 57.0 58.1 ? 58.2 ! - - 9105 1422 10881 83.0 77.5 77.3 -

08/08 51.3 ! - 55.6 51.8 52.6 53.1 54.0 54.8 56.3 57.0 58.1 58.2 ? 53.3 - 9655 1257 10998 78.0 73.2 72.5 -

08/09 50.9 50.1 55.7 51.9 52.4 52.7 53.5 54.2 55.7 56.5 57.7 ? 57.3 ? 52.8 - 9799 1478 11107 72.5 70.8 69.5 -

08/10 50.8 ? 49.9 55.9 51.6 52.2 52.5 53.3 54.1 55.4 ? 56.0 56.7 56.9 53.0 - 9168 1529 11068 70.0 67.5 70.2 -

08/11 50.7 49.9 55.9 51.3 52.1 52.5 53.4 54.2 55.5 56.0 56.7 57.8 53.1 - 9453 1282 11088 75.0 70.4 73.1 -

08/12 51.0 50.2 55.9 51.6 52.3 52.8 53.7 54.5 55.9 56.6 57.5 58.4 52.7 - 9315 1237 11093 82.5 76.3 75.8 -

08/13 50.7 49.9 56.0 51.8 52.5 52.9 53.8 54.7 56.2 56.9 57.9 58.4 52.6 - 9396 1142 11091 84.0 78.5 78.9 -

08/14 50.6 49.7 56.1 51.6 ? 52.5 53.1 54.0 54.8 56.4 57.1 58.2 58.8 52.9 - 9488 1098 11092 87.0 82.0 81.7 -

08/15 50.6 49.6 56.2 51.6 52.4 53.1 53.9 54.8 56.4 57.1 58.4 59.1 53.2 - 9504 1014 11087 89.0 83.4 85.4 -

08/16 50.7 49.9 56.3 51.5 52.4 53.0 53.9 54.8 56.5 57.3 58.5 59.0 ! - - 9661 934 11090 94.0 84.0 85.3 -

08/17 50.7 50.0 56.3 51.6 52.3 53.0 53.8 54.5 56.2 ? 56.9 58.2 58.8 ! - - 9746 969 11080 86.5 80.2 79.8 -

08/18 50.9 50.1 56.2 51.7 52.6 53.1 53.8 54.6 56.1 56.8 58.0 58.4 ! - - 9215 1180 11099 80.0 74.8 73.2 -

08/19 50.6 49.9 56.3 51.9 52.5 53.1 53.8 54.5 55.9 56.6 57.7 58.1 52.4 - 9447 1308 11011 78.0 72.8 72.7 -

08/20 50.4 49.3 56.4 52.0 52.7 53.2 53.9 54.6 56.0 56.6 57.6 58.9 52.6 - 9261 1441 11101 78.5 73.0 72.7 -

08/21 50.5 ? 49.5 56.5 51.3 52.2 52.5 53.3 54.0 55.6 56.3 57.5 58.9 52.3 - 8819 1090 10989 82.0 76.7 77.2 -

08/22 50.6 49.7 56.7 51.5 ? 52.8 53.1 53.9 54.7 56.2 56.8 57.7 59.8 52.4 - 10045 232 10474 88.0 81.5 82.8 -

08/23 50.5 49.5 56.3 51.6 ? 52.2 52.8 53.6 54.3 55.9 56.7 58.1 59.1 52.2 - 8372 1468 10483 88.5 78.3 79.4 -

08/24 50.6 49.8 56.4 51.7 52.4 53.2 54.0 54.8 56.3 57.1 58.1 58.2 52.3 - 8403 1519 10489 84.0 78.3 78.3 -

08/25 50.7 49.9 56.5 51.8 52.6 53.4 54.1 54.9 56.4 57.2 58.3 58.1 52.0 - 8947 772 10499 84.5 79.1 79.9 -

08/26 50.7 49.8 56.5 51.8 ? 52.5 53.2 54.0 54.8 56.4 57.1 58.4 58.2 51.9 - 8948 1121 10399 89.5 82.8 84.8 -

08/27 50.6 49.6 56.6 51.7 52.5 53.2 54.0 54.8 56.4 57.2 58.4 58.0 52.3 - 8855 688 9999 88.0 81.8 81.0 -

08/28 50.4 49.3 56.6 51.5 ? 52.4 52.9 53.7 54.4 56.1 56.9 58.3 58.1 52.4 - 8546 1053 9993 86.0 80.0 80.5 -

08/29 50.5 49.4 56.6 51.3 52.2 52.9 53.8 54.6 56.2 56.9 58.0 58.8 54.4 - 8907 571 9989 80.0 75.6 75.8 -

08/30 50.3 50.3 56.7 51.5 52.1 53.0 53.7 54.5 56.1 ! - 58.2 58.6 54.9 - 7751 1036 9533 81.0 75.7 76.2 -

08/31 50.3 49.3 56.7 51.4 52.2 53.1 53.8 54.4 55.9 ! - 57.7 58.3 54.5 - 8340 872 9492 80.5 74.0 74.3 -

Aug 9183 1112 10729 77.2 77.8 -

284665 34470 332589

Legend Notes 564621 68370 659677

? = 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 4 APR = Airport Road. This is a virtual site interpolated linearly between CCR and BSF based on distance.

 = Monthly Averages

52.9

D

A

T

E

Mean Daily Water Temperatures (°F) Mean Daily 

Release (CFS)

51.1 50.4 58.9 -

TCD SAC CCR JLF 1 SHD SPP1 KWK BSF2

50.7 49.9 56.1 51.6 52.4

54.3 51.8 52.5 53.0 55.1 56.9

Mean Daily 

Air Temperatures (°F)

57.7 58.9

83.1

RDD

-

82.4

BND

56.9 58.0

APR4

-

53.8 54.6

Total AF

RDB

Total CFS

IGO -----

58.4 52.8

LWS

50.5

56.1

3

1
↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg

08/01 65 100 82.5 64 98 81.0 62 100 81.0 64 103 83.5 65 103 84.0 66 103 84.5 65 100 82.5 63 96 79.5 63 93 78.0 62 95 78.5 65 96 80.5 65 99 82.0

08/02 64 98 81.0 68 99 83.5 64 104 84.0 66 102 84.0 66 102 84.0 67 101 84.0 63 95 79.0 60 93 76.5 62 92 77.0 64 97 80.5 66 98 82.0 64 98 81.0

08/03 66 101 83.5 NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR

08/04 70 104 87.0 70 101 85.5 65 102 83.5 66 101 83.5 62 96 79.0 59 93 76.0 59 92 75.5 59 94 76.5 65 96 80.5 65 101 83.0 68 101 84.5 66 101 83.5

08/05 70 101 85.5 65 103 84.0 67 101 84.0 64 97 80.5 61 94 77.5 61 90 75.5 58 90 74.0 60 97 78.5 65 101 83.0 67 103 85.0 67 99 83.0 65 97 81.0

08/06 64 100 82.0 71 100 85.5 63 97 80.0 61 93 77.0 60 87 73.5 59 85 72.0 58 95 76.5 61 101 81.0 67 103 85.0 67 103 85.0 67 99 83.0 65 98 81.5

08/07 70 102 86.0 67 100 83.5 61 94 77.5 61 88 74.5 58 82 70.0 59 95 77.0 62 101 81.5 64 102 83.0 67 103 85.0 67 100 83.5 67 97 82.0 62 95 78.5

08/08 66 100 83.0 65 96 80.5 63 90 76.5 57 83 70.0 59 95 77.0 62 100 81.0 63 101 82.0 64 100 82.0 67 102 84.5 67 103 85.0 68 98 83.0 64 96 80.0

08/09 64 92 78.0 66 86 76.0 57 81 69.0 58 93 75.5 64 98 81.0 65 99 82.0 62 96 79.0 60 92 76.0 63 98 80.5 65 101 83.0 66 99 82.5 64 96 80.0

08/10 60 85 72.5 61 80 70.5 55 92 73.5 59 97 78.0 62 98 80.0 62 97 79.5 61 93 77.0 60 94 77.0 63 96 79.5 63 96 79.5 65 98 81.5 64 97 80.5

08/11 61 79 70.0 60 93 76.5 59 97 78.0 61 99 80.0 64 100 82.0 63 95 79.0 61 94 77.5 61 91 76.0 63 97 80.0 65 100 82.5 67 100 83.5 66 100 83.0

08/12 59 91 75.0 66 98 82.0 63 100 81.5 65 104 84.5 67 102 84.5 64 95 79.5 60 91 75.5 59 93 76.0 65 99 82.0 68 103 85.5 68 100 84.0 65 95 80.0

08/13 66 99 82.5 68 102 85.0 66 106 86.0 69 107 88.0 68 101 84.5 64 94 79.0 60 92 76.0 60 97 78.5 65 100 82.5 65 99 82.0 65 95 80.0 64 94 79.0

08/14 67 101 84.0 68 106 87.0 70 108 89.0 70 104 87.0 66 99 82.5 63 95 79.0 61 96 78.5 63 99 81.0 64 101 82.5 67 100 83.5 67 97 82.0 64 95 79.5

08/15 67 107 87.0 71 108 89.5 69 104 86.5 67 101 84.0 63 94 78.5 61 95 78.0 62 100 81.0 64 102 83.0 66 98 82.0 65 96 80.5 66 95 80.5 64 95 79.5

08/16 69 109 89.0 83 106 94.5 67 102 84.5 62 94 78.0 61 96 78.5 63 99 81.0 64 102 83.0 65 101 83.0 67 98 82.5 67 97 82.0 65 98 81.5 64 95 79.5

08/17 82 106 94.0 72 100 86.0 63 94 78.5 60 95 77.5 62 100 81.0 64 104 84.0 66 102 84.0 67 100 83.5 67 99 83.0 65 101 83.0 67 100 83.5 65 99 82.0

08/18 72 101 86.5 65 93 79.0 60 93 76.5 61 97 79.0 63 103 83.0 66 104 85.0 66 101 83.5 66 100 83.0 67 103 85.0 67 104 85.5 67 98 82.5 63 97 80.0

08/19 65 95 80.0 53 95 74.0 61 97 79.0 63 101 82.0 67 104 85.5 67 103 85.0 67 102 84.5 66 104 85.0 64 100 82.0 63 103 83.0 65 99 82.0 65 99 82.0

08/20 62 94 78.0 62 95 78.5 63 98 80.5 66 101 83.5 67 103 85.0 68 103 85.5 67 103 85.0 67 105 86.0 66 103 84.5 68 102 85.0 66 98 82.0 65 97 81.0

08/21 62 95 78.5 67 99 83.0 66 102 84.0 65 104 84.5 68 103 85.5 66 103 84.5 67 104 85.5 68 106 87.0 69 104 86.5 69 103 86.0 68 100 84.0 64 98 81.0

08/22 64 100 82.0 77 101 89.0 66 104 85.0 67 102 84.5 66 103 84.5 67 107 87.0 69 107 88.0 69 105 87.0 69 99 84.0 66 97 81.5 67 96 81.5 63 96 79.5

08/23 76 100 88.0 81 104 92.5 66 102 84.0 65 103 84.0 66 106 86.0 67 105 86.0 66 102 84.0 65 98 81.5 67 97 82.0 65 98 81.5 64 94 79.0 61 94 77.5

08/24 75 102 88.5 69 102 85.5 68 102 85.0 69 105 87.0 70 107 88.5 67 102 84.5 67 99 83.0 65 97 81.0 65 99 82.0 64 101 82.5 64 97 80.5 62 94 78.0

08/25 68 100 84.0 69 102 85.5 68 105 86.5 69 107 88.0 71 103 87.0 69 100 84.5 66 100 83.0 64 100 82.0 63 99 81.0 64 98 81.0 63 94 78.5 61 96 78.5

08/26 69 100 84.5 71 106 88.5 68 108 88.0 69 101 85.0 68 100 84.0 66 99 82.5 63 98 80.5 63 98 80.5 63 97 80.0 64 94 79.0 62 93 77.5 62 94 78.0

08/27 71 108 89.5 73 109 91.0 69 101 85.0 67 96 81.5 65 96 80.5 63 98 80.5 62 97 79.5 62 95 78.5 64 97 80.5 63 100 81.5 63 96 79.5 62 95 78.5

08/28 70 106 88.0 74 102 88.0 68 98 83.0 64 97 80.5 63 98 80.5 63 97 80.0 62 96 79.0 62 96 79.0 62 89 75.5 60 88 74.0 60 90 75.0 60 93 76.5

08/29 72 100 86.0 73 96 84.5 63 96 79.5 62 96 79.0 62 97 79.5 63 96 79.5 62 97 79.5 62 98 80.0 67 100 83.5 66 100 83.0 64 94 79.0 59 91 75.0

08/30 69 91 80.0 67 97 82.0 62 98 80.0 62 97 79.5 63 98 80.5 63 99 81.0 62 97 79.5 62 98 80.0 62 97 79.5 63 97 80.0 63 95 79.0 60 94 77.0

08/31 66 96 81.0 62 99 80.5 62 98 80.0 63 99 81.0 63 99 81.0 63 97 80.0 62 95 78.5 62 95 78.5 61 90 75.5 60 88 74.0 62 91 76.5 59 92 75.5

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

2
Code Body of Water Location1 CDEC Link Point Temp. (°F) Begin Date

TCD N/A Shasta Power Plant N/A BSF 56.0 5/15/2019

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

69

73

77

81

85

89

93

97

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 APR BSF RDD (Air) RDD Forecast (Air)

3
08/01 52.8 54.3 53.1 54.6 54.7

08/02 53.2 54.7 53.1 54.6-

08/03 53.1 54.7 53.1 54.6-

08/04 53.3 55.1 53.1 54.7-

08/05 53.0 54.4 53.1 54.7-

08/06 53.4 54.9 53.2 54.7 54.6

08/07 53.2 54.7 53.1 54.7 54.7

08/08 53.8 55.3 53.3 54.8 54.8

08/09 52.8 53.8 53.2 54.7 54.2

08/10 52.7 53.5 53.2 54.5 54.1

08/11 52.8 54.3 53.1 54.4 54.2

08/12 53.2 54.7 53.1 54.5 54.5

08/13 53.4 54.9 53.1 54.5 54.7

08/14 53.4 55.0 53.2 54.5 54.8

08/15 53.2 55.1 53.1 54.5 54.8

08/16 53.1 55.0 53.1 54.6 54.8

08/17 53.1 55.2 53.2 54.9 54.5

08/18 54.0 55.1 53.3 55.0 54.6

08/19 53.4 54.8 53.4 55.0 54.5

08/20 53.6 55.4 53.4 55.1 54.6

08/21 52.6 54.1 53.3 55.0 54.0

08/22 54.4 55.1 53.5 55.0 54.7

08/23 53.2 55.1 53.5 55.0 54.3

08/24 53.3 55.2 53.5 55.0 54.8

08/25 53.4 55.4 53.4 55.0 54.9

08/26 53.5 55.5 53.4 55.1 54.8

08/27 54.3 55.3 53.5 55.1 54.8

08/28 53.0 54.6 53.6 55.2 54.4

08/29 53.3 55.2 53.4 55.2 54.6

08/30 53.4 55.3 53.5 55.2 54.5

08/31 53.1 55.5 53.4 55.3 54.4

Notes12

DAT

D

2

ATE SAC CCR SAC

7DADM

1 Daily Max

CCR

7DADM = 7-Day Average 

Daily Maximum

DAT = Daily Average 

Temperature

BSF

78

82

86

90

94

98

102

106

110

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) RDD Forecast (Air)

52

53

54

55

56

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

Water Temperature (°F)

7DADM

4
Latest Profile Date: 08/27/2019

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

5
Latest Profile Date: 08/19/2019

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

6
Latest Profile Date: 08/16/2019

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

7