Report Generated 10/01/2018 at 0721

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

September - 2018
1

Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Aug 9842 - 10191 74.2 74.3 71.3

09/01 51.0 50.2 # - 51.2 51.8 52.3 54.2 55.4 56.2 57.9 59.1 52.9 56.4 8625 - 8684 79.0 73.0 77.2 68.4

09/02 51.2 50.3 # - 51.1 51.7 52.3 53.8 54.9 55.6 56.9 59.1 52.8 56.4 8874 - 8687 82.0 75.5 75.7 71.7

09/03 51.3 50.3 # - 51.3 51.8 52.3 53.9 55.0 55.6 56.9 59.1 52.6 56.0 8099 - 8634 82.0 75.6 76.1 72.0

09/04 51.4 50.5 # - ? 51.3 52.1 52.6 54.2 55.3 55.9 57.0 59.3 52.5 56.1 8837 - 8633 81.5 75.2 75.2 72.1

09/05 51.2 50.3 # - ? 51.8 52.5 53.0 54.6 55.6 56.2 57.4 59.5 52.5 56.3 7628 - 8412 80.5 73.9 74.9 72.2

09/06 51.4 50.4 ! - 51.7 52.4 52.9 54.6 55.7 56.3 57.6 59.2 52.7 56.1 7682 - 8198 76.0 71.1 70.8 69.8

09/07 51.4 50.5 56.5 51.6 52.2 52.7 54.3 55.4 56.1 57.3 58.7 52.5 55.6 8004 345 8218 81.0 73.0 75.4 68.2

09/08 51.6 50.6 56.5 51.5 52.1 52.6 54.0 55.0 55.7 56.9 59.0 52.0 55.3 8039 350 8223 78.0 71.9 74.0 66.2

09/09 51.5 50.7 56.8 51.6 52.1 52.6 54.0 55.0 55.6 56.6 58.7 52.2 55.1 8072 14 8234 77.0 71.2 73.9 65.8

09/10 51.7 51.0 56.3 51.4 52.0 52.6 53.9 54.8 55.3 56.4 58.7 52.3 55.2 8383 14 8301 77.0 71.2 73.2 66.3

09/11 51.7 50.8 56.4 51.6 52.1 52.6 53.8 54.6 55.1 56.0 58.4 52.2 55.0 7870 14 8286 72.0 68.2 72.3 63.2

09/12 51.9 51.0 56.4 51.5 52.0 52.5 53.9 54.7 55.2 55.9 58.2 51.9 54.1 7834 14 8379 67.5 64.7 67.3 58.9

09/13 52.3 51.0 56.5 51.7 52.3 52.8 54.1 55.0 55.4 56.3 58.0 51.7 54.2 7535 14 8371 67.5 64.1 64.6 58.3

09/14 52.1 51.2 56.4 52.0 52.6 53.0 54.1 55.2 55.4 56.4 55.8 51.4 54.2 7879 14 8362 67.5 62.4 65.0 59.1

09/15 52.1 51.1 56.5 52.0 52.6 53.1 54.3 55.4 55.6 56.5 55.6 51.1 53.6 7468 14 8367 67.5 62.8 63.7 57.3

09/16 52.2 51.4 56.5 51.9 52.5 53.0 54.1 55.2 55.3 56.4 55.6 51.1 53.5 7663 14 8366 66.0 60.6 62.5 58.3

09/17 52.1 51.4 ? 56.6 52.0 52.5 53.0 54.0 55.0 55.1 56.1 55.2 50.9 53.5 7421 360 8356 66.0 60.8 64.0 59.0

09/18 52.4 51.6 ! - 52.2 52.8 53.3 54.3 55.3 55.3 56.2 55.4 51.1 53.5 7651 641 8372 68.0 62.8 65.6 60.5

09/19 51.8 51.2 57.2 52.5 53.0 53.4 54.5 55.5 55.6 56.6 55.7 51.0 53.7 7361 14 7980 71.0 65.8 69.9 61.7

09/20 51.0 50.4 56.7 52.4 53.3 53.8 55.0 56.0 56.1 56.9 55.9 51.0 53.2 6458 599 7784 82.5 71.3 75.1 60.6

09/21 51.3 50.4 56.8 51.6 52.4 53.0 54.5 55.8 56.1 57.4 55.2 51.9 53.3 6371 514 7714 72.0 66.6 70.0 63.0

09/22 51.7 50.8 56.6 51.6 52.3 52.8 54.1 55.4 55.6 56.9 53.7 51.6 54.5 6733 536 7570 72.0 67.3 69.4 62.8

09/23 51.5 50.7 ? 56.7 52.1 52.8 53.3 54.5 55.7 55.8 56.9 54.1 51.9 55.1 6251 574 7563 74.0 68.7 70.0 65.1

09/24 51.4 50.5 56.8 52.2 52.9 53.5 54.5 55.6 55.8 56.8 53.7 51.4 53.8 6053 577 7576 79.5 67.4 72.2 60.5

09/25 51.4 50.4 57.5 52.1 52.9 53.3 54.5 55.7 55.8 56.9 53.8 51.6 53.7 6456 30 7616 80.0 70.0 75.0 62.5

09/26 51.4 50.5 56.8 51.5 52.1 52.7 54.0 55.3 55.6 56.8 53.5 51.1 53.5 6727 16 7564 75.5 67.3 71.6 61.1

09/27 51.7 50.8 56.8 51.5 52.1 52.6 53.6 54.8 54.9 56.1 53.7 51.0 53.5 6849 325 7567 75.5 66.8 70.7 64.4

09/28 51.7 50.8 56.9 51.8 52.5 52.9 53.9 55.0 55.1 56.1 54.0 51.1 53.9 2320 329 7567 72.5 67.5 69.7 64.8

09/29 51.8 50.9 56.8 51.9 52.5 52.9 54.0 55.2 55.4 56.3 53.9 51.3 53.9 6655 383 7569 64.5 62.7 63.7 59.1

09/30 52.0 51.1 57.3 51.9 52.6 53.1 54.3 55.5 55.6 56.6 54.2 51.4 54.0 7078 20 7506 68.5 65.0 66.6 58.5

-

Sep 7296 239 8089 68.1 70.5 63.7

218876 5725 242659

Legend Notes 434132 11355 481304

? = 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 DGC is only reported in September

↓ = Record low air temperature

 = Monthly Averages

54.2

Total AF

RDB

Total CFS

IGO DGC 

56.5 51.8

LWS

52.9

55.3

Mean Daily 

Air Temperatures (°F)

56.3 57.6

74.1

RDD

54.5

79.7

BND

55.6 56.7

56.7 52.4 52.9 53.4 54.9 55.9

51.6 50.8 56.7 51.8 52.4 52.9

D

A

T

E

Mean Daily Water Temperatures (°F) Mean Daily 

Release (CFS)

52.0 51.2 57.4 -

TCD SAC CCR JLF 1 SHD SPP1 KWK BSF2 3
2

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

09/01 58 93 75.5 58 98 78.0 60 101 80.5 61 100 80.5 60 100 80.0 59 95 77.0 56 93 74.5 55 92 73.5 60 93 76.5 59 96 77.5 60 94 77.0 61 95 78.0

09/02 57 101 79.0 60 103 81.5 61 102 81.5 61 99 80.0 62 96 79.0 58 95 76.5 57 94 75.5 56 93 74.5 62 95 78.5 62 100 81.0 63 97 80.0 62 95 78.5

09/03 59 105 82.0 63 103 83.0 60 100 80.0 59 97 78.0 57 96 76.5 57 95 76.0 56 92 74.0 54 93 73.5 63 100 81.5 64 103 83.5 65 99 82.0 62 96 79.0

09/04 62 102 82.0 64 100 82.0 58 97 77.5 58 96 77.0 57 98 77.5 59 96 77.5 56 96 76.0 56 97 76.5 63 100 81.5 64 100 82.0 61 93 77.0 57 88 72.5

09/05 63 100 81.5 62 96 79.0 56 95 75.5 57 99 78.0 59 95 77.0 57 95 76.0 55 95 75.0 52 92 72.0 61 89 75.0 59 87 73.0 58 86 72.0 59 91 75.0

09/06 62 99 80.5 58 94 76.0 57 98 77.5 57 95 76.0 56 96 76.0 55 95 75.0 55 90 72.5 51 82 66.5 57 82 69.5 56 80 68.0 58 85 71.5 55 89 72.0

09/07 57 95 76.0 62 99 80.5 57 94 75.5 57 96 76.5 55 94 74.5 53 89 71.0 50 82 66.0 49 82 65.5 56 87 71.5 56 87 71.5 55 87 71.0 57 91 74.0

09/08 61 101 81.0 59 95 77.0 56 96 76.0 55 93 74.0 52 89 70.5 49 84 66.5 48 85 66.5 49 89 69.0 57 90 73.5 56 90 73.0 55 89 72.0 57 89 73.0

09/09 59 97 78.0 58 96 77.0 56 93 74.5 54 88 71.0 50 82 66.0 47 81 64.0 47 87 67.0 48 91 69.5 55 91 73.0 55 88 71.5 56 89 72.5 58 92 75.0

09/10 57 97 77.0 58 94 76.0 53 87 70.0 48 80 64.0 45 80 62.5 46 86 66.0 48 90 69.0 49 87 68.0 56 88 72.0 57 92 74.5 61 92 76.5 59 92 75.5

09/11 57 97 77.0 54 87 70.5 49 81 65.0 46 78 62.0 44 83 63.5 45 81 63.0 46 85 65.5 47 89 68.0 57 89 73.0 57 91 74.0 58 87 72.5 56 88 72.0

09/12 53 91 72.0 54 81 67.5 45 78 61.5 45 80 62.5 44 80 62.0 45 84 64.5 48 86 67.0 49 88 68.5 57 87 72.0 56 89 72.5 55 85 70.0 54 87 70.5

09/13 52 83 67.5 56 79 67.5 44 81 62.5 44 80 62.0 44 83 63.5 47 85 66.0 49 87 68.0 50 89 69.5 58 91 74.5 57 95 76.0 58 90 74.0 56 88 72.0

09/14 54 81 67.5 53 83 68.0 47 80 63.5 45 82 63.5 48 85 66.5 50 87 68.5 51 86 68.5 51 85 68.0 58 84 71.0 56 89 72.5 57 87 72.0 54 86 70.0

09/15 51 84 67.5 55 82 68.5 45 83 64.0 48 86 67.0 49 87 68.0 51 89 70.0 52 91 71.5 53 90 71.5 60 89 74.5 58 92 75.0 59 90 74.5 56 90 73.0

09/16 54 81 67.5 48 83 65.5 48 84 66.0 50 86 68.0 52 89 70.5 50 91 70.5 50 87 68.5 49 85 67.0 56 82 69.0 54 85 69.5 55 87 71.0 55 87 71.0

09/17 48 84 66.0 47 84 65.5 49 86 67.5 51 90 70.5 53 93 73.0 53 90 71.5 52 87 69.5 48 85 66.5 57 82 69.5 56 83 69.5 55 83 69.0 55 87 71.0

09/18 47 85 66.0 51 86 68.5 49 90 69.5 52 93 72.5 53 93 73.0 54 88 71.0 51 86 68.5 49 86 67.5 58 89 73.5 57 94 75.5 57 90 73.5 56 89 72.5

09/19 49 87 68.0 52 90 71.0 53 93 73.0 54 94 74.0 54 92 73.0 53 91 72.0 53 92 72.5 54 93 73.5 59 96 77.5 57 95 76.0 57 89 73.0 56 89 72.5

09/20 51 91 71.0 68 94 81.0 53 94 73.5 54 92 73.0 53 90 71.5 55 95 75.0 58 97 77.5 57 96 76.5 60 96 78.0 60 90 75.0 58 88 73.0 57 93 75.0

09/21 68 97 82.5 51 94 72.5 53 89 71.0 54 88 71.0 52 94 73.0 55 97 76.0 56 98 77.0 57 96 76.5 59 92 75.5 57 85 71.0 55 82 68.5 55 87 71.0

09/22 51 93 72.0 54 90 72.0 52 88 70.0 50 93 71.5 54 98 76.0 55 97 76.0 55 95 75.0 54 92 73.0 57 88 72.5 55 88 71.5 55 84 69.5 52 84 68.0

09/23 54 90 72.0 59 88 73.5 52 93 72.5 54 98 76.0 56 99 77.5 56 97 76.5 55 93 74.0 53 86 69.5 58 82 70.0 55 87 71.0 56 85 70.5 56 87 71.5

09/24 57 91 74.0 63 94 78.5 56 98 77.0 58 100 79.0 59 99 79.0 59 92 75.5 51 82 66.5 49 81 65.0 56 80 68.0 56 85 70.5 55 79 67.0 53 85 69.0

09/25 63 96 79.5 75 98 86.5 55 100 77.5 56 99 77.5 57 93 75.0 51 79 65.0 49 79 64.0 50 82 66.0 59 87 73.0 55 87 71.0 57 86 71.5 56 88 72.0

09/26 60 100 80.0 52 101 76.5 56 100 78.0 56 93 74.5 51 77 64.0 50 78 64.0 50 76 63.0 50 83 66.5 57 87 72.0 60 92 76.0 59 89 74.0 58 88 73.0

09/27 51 100 75.5 53 99 76.0 56 93 74.5 52 75 63.5 50 77 63.5 51 77 64.0 50 74 62.0 49 80 64.5 57 83 70.0 57 87 72.0 58 87 72.5 53 86 69.5

09/28 52 99 75.5 54 92 73.0 50 75 62.5 50 76 63.0 51 74 62.5 52 80 66.0 52 83 67.5 53 87 70.0 60 85 72.5 59 89 74.0 58 88 73.0 55 86 70.5

09/29 52 93 72.5 57 76 66.5 50 76 63.0 50 76 63.0 52 74 63.0 51 80 65.5 52 85 68.5 53 90 71.5 59 83 71.0 57 84 70.5 56 82 69.0 53 80 66.5

09/30 56 73 64.5 59 76 67.5 50 77 63.5 52 75 63.5 50 80 65.0 51 78 64.5 48 83 65.5 51 83 67.0 59 82 70.5 58 83 70.5 55 81 68.0 52 80 66.0

- 79

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

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 9 Days 10 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

60

64

68

72

76

80

84

88

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

Air Temperature (°F)

Water Temperature (°F)

Mean Daily Temperatures

TCD KWK SAC CCR BSF RDD (Air)
4

09/01 52.9 54.1 54.2 55.2 54.2

09/02 53.0 54.1 54.1 55.1 53.8

09/03 53.1 54.1 53.9 55.0 53.9

09/04 53.2 54.2 53.7 54.8 54.2

09/05 53.9 55.0 53.5 54.7 54.6

09/06 53.8 54.7 53.4 54.5 54.6

09/07 53.2 54.1 53.3 54.3 54.3

09/08 53.3 54.3 53.4 54.4 54.0

09/09 53.1 54.3 53.4 54.4 54.0

09/10 53.1 54.1 53.4 54.4 53.9

09/11 53.3 54.2 53.4 54.4 53.8

09/12 53.0 53.9 53.3 54.2 53.9

09/13 53.6 54.5 53.2 54.2 54.1

09/14 53.8 54.7 53.3 54.3 54.1

09/15 54.0 54.8 53.4 54.4 54.3

09/16 53.8 54.8 53.5 54.4 54.1

09/17 53.9 54.9 53.6 54.5 54.0

09/18 54.2 55.2 53.8 54.7 54.3

09/19 54.5 55.4 54.0 54.9 54.5

09/20 54.8 55.7 54.1 55.1 55.0

09/21 53.9 54.9 54.2 55.1 54.5

09/22 53.8 54.7 54.1 55.1 54.1

09/23 54.4 55.6 54.2 55.2 54.5

09/24 54.5 55.5 54.3 55.3 54.5

09/25 54.5 55.3 54.3 55.3 54.5

09/26 53.6 54.5 54.2 55.2 54.0

09/27 53.4 54.4 54.0 55.0 53.6

09/28 53.9 54.8 54.0 55.0 53.9

09/29 53.8 54.5 54.0 54.9 54.0

09/30 53.9 54.6 53.9 54.8 54.3 -

Notes12

DAT

D

2

ATE SAC CCR SAC

7DADM

1 Daily Max

CCR

7DADM = 7-Day Average 

Daily Maximum

DAT = Daily Average 

Temperature

BSF

70

76

82

88

94

100

106

51

52

53

54

55

56

57

13579 11 13 15 17 19 21 23 25 27 29

Air Temperature (°F)

Water Temperature (°F)

Daily Maximum

SAC CCR RDD (Air)

51

52

53

54

55

56

57

13579 11 13 15 17 19 21 23 25 27 291

Water Temperature (°F)

7DADM
5

Latest Profile Date: 09/25/2018

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: 09/13/2018

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: 09/12/2018

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