Report Generated 07/09/2020 at 1400

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 - Shasta Lake Isothermobaths Plot

5 - Trinity Lake Isothermobaths Plot

6 - 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

April - 2020
Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Mar 3693 969 4891 51.7 53.3 -

04/01 49.2 48.6 49.6 49.2 49.9 50.3 51.5 52.5 53.0 53.6 50.3 47.9 - 3219 1644 4949 50.5 49.9 52.6 -

04/02 # - ? 49.1 49.5 49.4 50.1 50.6 51.4 52.2 52.5 53.0 50.3 47.8 - 2731 1907 4958 53.0 52.2 53.5 -

04/03 # - 48.7 49.5 49.3 50.1 50.7 51.7 52.5 52.9 53.4 50.5 47.8 - 2795 1880 4956 50.5 50.7 52.9 -

04/04 # - ? 48.5 49.1 49.3 49.5 49.5 50.2 51.2 51.8 52.5 49.0 46.3 - 3249 1909 4961 46.0 45.3 47.1 -

04/05 # - 48.6 48.9 49.1 49.6 49.8 50.1 50.5 50.5 50.6 49.2 46.7 - 2635 1800 4958 51.0 51.8 51.4 -

04/06 # - 48.8 49.1 49.0 49.9 50.5 51.3 51.9 52.0 52.1 50.3 47.1 - 3127 1813 4794 54.0 51.3 52.1 -

04/07 # - 49.4 48.9 49.2 50.1 50.7 52.3 53.3 53.6 54.0 50.9 48.2 - 2592 1814 4610 54.5 53.5 54.9 -

04/08 ! - 50.4 48.8 49.9 50.8 51.6 53.5 54.6 55.0 55.4 52.0 49.0 - 2496 1900 4493 66.5 61.0 62.1 -

04/09 50.8 50.5 48.6 49.8 50.6 51.3 53.6 55.1 55.8 56.2 50.8 49.7 - 2708 1830 4500 53.5 54.7 54.7 -

04/10 50.4 50.0 48.6 50.2 51.3 52.2 54.1 55.2 55.7 56.5 52.4 51.0 - 1952 1834 4478 63.0 61.9 63.2 -

04/11 51.0 49.9 48.8 50.5 51.6 52.7 55.3 56.8 57.4 58.1 52.6 51.4 - 2342 1944 4483 62.5 61.5 62.0 -

04/12 51.5 ? 51.1 48.7 51.1 52.0 53.0 55.7 57.5 58.3 59.3 52.7 51.7 - 1911 1819 4478 65.5 65.1 66.0 -

04/13 51.5 ? 50.6 48.8 51.3 52.1 52.9 55.1 56.5 57.1 58.2 51.5 50.8 - 3172 1368 4472 62.0 58.3 61.5 -

04/14 51.6 ! - 48.9 50.9 51.9 52.8 54.7 55.9 56.4 57.4 51.5 49.8 - 3075 1797 4982 60.0 58.3 61.9 -

04/15 51.8 ? 51.1 49.0 51.0 51.8 52.7 54.7 56.0 56.6 57.6 51.9 49.5 - 3328 1883 5466 64.5 62.3 62.5 -

04/16 52.5 ? 51.6 ? 49.0 51.5 52.3 53.2 55.0 56.4 56.9 57.8 52.3 49.7 - 3497 1866 5501 68.0 63.6 64.6 -

04/17 52.1 ! - 49.0 51.4 52.3 53.2 55.2 56.6 57.1 58.0 52.1 49.0 - 3712 1888 5888 68.5 61.9 64.3 -

04/18 51.8 ! - ? 49.0 51.6 52.1 52.7 54.4 55.7 56.4 57.6 51.8 49.0 - 3914 1850 6246 59.0 58.3 58.4 -

04/19 52.2 51.6 49.2 51.5 52.3 53.0 54.5 55.6 56.0 56.7 52.1 48.9 - 5252 1928 6676 59.5 59.4 59.5 -

04/20 52.5 51.6 49.2 51.4 52.0 52.5 54.1 55.3 55.7 56.7 51.8 49.6 - 4901 1933 6969 59.0 56.3 57.4 -

04/21 52.8 ? 52.3 49.4 51.8 52.5 53.1 54.6 55.6 55.9 56.5 52.4 49.9 - 5127 1917 7466 63.0 60.9 62.1 -

04/22 52.7 51.8 49.5 52.2 52.8 53.4 55.1 56.3 56.8 57.7 52.5 49.1 - 5859 1893 8265 64.0 64.3 66.4 -

04/23 53.5 52.8 49.6 52.6 53.2 53.8 55.5 56.7 57.2 58.1 53.1 49.2 - 8282 360 9000 66.0 66.0 69.8 -

04/24 54.0 53.2 50.9 53.4 53.9 54.6 56.0 57.1 57.5 58.3 53.0 49.1 - 9131 37 9403 70.5 66.9 70.6 -

04/25 53.4 52.8 50.9 54.0 54.3 55.0 56.3 57.4 57.9 58.7 53.3 48.9 - 8645 37 9499 70.5 67.8 70.5 -

04/26 52.9 52.2 49.6 53.4 54.3 55.0 56.8 58.1 58.5 59.1 53.5 48.9 - 9275 619 9755 68.5 67.6 71.2 -

04/27 52.6 51.3 49.8 52.7 53.4 54.0 55.9 57.4 58.0 59.4 53.5 49.2 - 8435 1137 9758 71.5 68.9 72.4 -

04/28 53.2 52.0 49.8 52.5 53.3 54.0 55.8 57.2 57.8 58.9 53.9 49.8 - 8045 594 9701 ↑ 74.0 71.3 73.0 -

04/29 52.7 51.6 49.8 53.0 53.4 54.0 55.6 57.1 57.7 58.8 53.4 49.2 - 8210 1137 9764 73.0 70.9 70.8 -

04/30 52.5 51.4 49.9 52.7 53.2 53.9 55.8 57.2 57.7 58.7 53.6 49.2 - 7932 1920 9720 70.5 70.4 69.9 -

-

Apr 4718 1542 6505 60.4 62.0 -

141549 46258 195149

Legend Notes 280757 91751 387070

? = 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

52.5

50.6

54.2

D

A

T

E

49.4 48.7

TCD SAC CCR 1 SHD SPP1 KWK

Mean Daily Water Temperatures (°F)

BSF2

52.1 50.8 49.3 51.2 51.9

48.7 49.2 49.6 50.0 51.3 51.6

Mean Daily 

Release (CFS)

Mean Daily 

Air Temperatures (°F)

RDD

53.2

Total CFS

62.1

47.6

55.4

IGO

55.9

Total AF

51.9 49.0

RDB

56.6 51.9

LWS

49.1 -

-----

-

JLF BND 3

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

04/01 49 69 59.0 38 63 50.5 35 66 50.5 37 66 51.5 42 58 50.0 42 56 49.0 38 60 49.0 38 69 53.5 47 73 60.0 48 78 63.0 49 79 64.0 51 77 64.0

04/02 38 63 50.5 40 64 52.0 37 66 51.5 40 55 47.5 44 55 49.5 38 60 49.0 38 68 53.0 42 75 58.5 52 77 64.5 49 83 66.0 49 79 64.0 48 72 60.0

04/03 40 66 53.0 36 65 50.5 41 55 48.0 44 55 49.5 40 59 49.5 38 67 52.5 41 73 57.0 44 70 57.0 47 74 60.5 45 78 61.5 46 73 59.5 46 71 58.5

04/04 35 66 50.5 42 53 47.5 43 57 50.0 39 61 50.0 39 68 53.5 42 76 59.0 45 78 61.5 48 77 62.5 52 81 66.5 51 79 65.0 50 78 64.0 50 75 62.5

04/05 41 51 46.0 49 57 53.0 40 62 51.0 40 72 56.0 44 80 62.0 45 81 63.0 49 80 64.5 46 81 63.5 55 81 68.0 53 82 67.5 50 80 65.0 52 75 63.5

04/06 45 57 51.0 45 62 53.5 41 71 56.0 45 81 63.0 47 80 63.5 49 79 64.0 49 81 65.0 50 80 65.0 56 83 69.5 53 84 68.5 52 80 66.0 52 77 64.5

04/07 44 64 54.0 41 72 56.5 45 82 63.5 47 78 62.5 50 78 64.0 48 83 65.5 50 80 65.0 48 78 63.0 53 83 68.0 52 86 69.0 53 82 67.5 52 76 64.0

04/08 41 68 54.5 49 81 65.0 48 76 62.0 49 78 63.5 48 81 64.5 48 78 63.0 47 78 62.5 46 80 63.0 53 82 67.5 52 79 65.5 52 76 64.0 49 72 60.5

04/09 48 85 66.5 45 71 58.0 49 76 62.5 49 80 64.5 49 78 63.5 47 78 62.5 46 80 63.0 47 80 63.5 53 83 68.0 53 84 68.5 53 82 67.5 53 80 66.5

04/10 44 63 53.5 51 77 64.0 49 79 64.0 48 78 63.0 47 80 63.5 46 82 64.0 48 83 65.5 50 82 66.0 52 73 62.5 48 72 60.0 49 76 62.5 52 78 65.0

04/11 51 75 63.0 49 81 65.0 49 77 63.0 46 75 60.5 44 81 62.5 47 80 63.5 50 76 63.0 48 73 60.5 48 71 59.5 48 75 61.5 51 78 64.5 53 79 66.0

04/12 49 76 62.5 57 77 67.0 47 75 61.0 44 79 61.5 48 83 65.5 51 76 63.5 48 78 63.0 49 73 61.0 51 74 62.5 49 73 61.0 51 77 64.0 53 80 66.5

04/13 53 78 65.5 50 75 62.5 44 79 61.5 48 82 65.0 51 81 66.0 50 80 65.0 51 73 62.0 50 70 60.0 51 71 61.0 48 74 61.0 50 75 62.5 51 78 64.5

04/14 48 76 62.0 43 80 61.5 49 81 65.0 52 79 65.5 46 79 62.5 48 74 61.0 49 71 60.0 49 69 59.0 49 75 62.0 49 75 62.0 52 82 67.0 50 76 63.0

04/15 41 79 60.0 48 82 65.0 53 79 66.0 48 80 64.0 49 74 61.5 48 71 59.5 49 66 57.5 49 74 61.5 51 80 65.5 51 84 67.5 51 82 66.5 51 80 65.5

04/16 47 82 64.5 56 79 67.5 49 78 63.5 49 73 61.0 49 74 61.5 49 73 61.0 48 79 63.5 51 77 64.0 53 83 68.0 51 79 65.0 49 81 65.0 53 82 67.5

04/17 56 80 68.0 60 79 69.5 48 73 60.5 47 72 59.5 47 72 59.5 47 78 62.5 50 77 63.5 50 79 64.5 52 80 66.0 52 83 67.5 52 82 67.0 53 77 65.0

04/18 58 79 68.5 51 74 62.5 46 72 59.0 47 72 59.5 46 79 62.5 49 79 64.0 52 82 67.0 51 83 67.0 52 84 68.0 55 85 70.0 54 84 69.0 57 85 71.0

04/19 50 68 59.0 53 70 61.5 47 73 60.0 47 80 63.5 50 74 62.0 52 82 67.0 53 85 69.0 53 88 70.5 53 84 68.5 53 85 69.0 55 86 70.5 57 86 71.5

04/20 50 69 59.5 47 73 60.0 46 81 63.5 51 80 65.5 53 83 68.0 53 86 69.5 56 87 71.5 53 84 68.5 49 81 65.0 51 84 67.5 54 88 71.0 56 82 69.0

04/21 47 71 59.0 46 80 63.0 49 79 64.0 51 82 66.5 52 86 69.0 55 87 71.0 53 83 68.0 52 84 68.0 53 85 69.0 55 89 72.0 55 89 72.0 58 87 72.5

04/22 45 81 63.0 50 76 63.0 51 81 66.0 52 86 69.0 55 86 70.5 53 86 69.5 52 86 69.0 56 93 74.5 59 91 75.0 59 90 74.5 58 84 71.0 54 78 66.0

04/23 48 80 64.0 52 82 67.0 53 86 69.5 56 85 70.5 52 86 69.0 52 85 68.5 56 94 75.0 61 93 77.0 58 90 74.0 58 89 73.5 52 81 66.5 55 86 70.5

04/24 50 82 66.0 55 86 70.5 57 85 71.0 53 85 69.0 52 85 68.5 57 94 75.5 61 92 76.5 58 88 73.0 54 79 66.5 50 73 61.5 52 77 64.5 49 78 63.5

04/25 53 88 70.5 58 83 70.5 53 86 69.5 54 84 69.0 55 94 74.5 59 89 74.0 56 85 70.5 52 81 66.5 46 72 59.0 51 74 62.5 49 78 63.5 51 78 64.5

04/26 57 84 70.5 52 86 69.0 53 83 68.0 56 94 75.0 61 87 74.0 55 81 68.0 50 81 65.5 50 78 64.0 51 75 63.0 48 77 62.5 51 79 65.0 53 81 67.0

04/27 51 86 68.5 60 83 71.5 55 94 74.5 61 87 74.0 56 81 68.5 50 81 65.5 50 77 63.5 47 75 61.0 48 75 61.5 49 79 64.0 52 79 65.5 53 81 67.0

04/28 59 84 71.5 57 92 74.5 60 87 73.5 56 80 68.0 50 81 65.5 50 79 64.5 50 74 62.0 45 78 61.5 49 81 65.0 51 85 68.0 54 86 70.0 56 85 70.5

04/29 55 93 74.0 61 86 73.5 55 83 69.0 51 82 66.5 50 80 65.0 51 73 62.0 43 78 60.5 47 82 64.5 51 85 68.0 54 90 72.0 57 90 73.5 59 89 74.0

04/30 61 85 73.0 59 80 69.5 48 79 63.5 51 75 63.0 49 74 61.5 45 78 61.5 47 83 65.0 50 87 68.5 59 92 75.5 60 96 78.0 57 93 75.0 58 87 72.5

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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

40

44

48

52

56

60

64

68

72

76

80

48

49

50

51

52

53

54

55

56

57

58

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)

3
Latest Profile Date: 04/30/2020

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 - 2020

(Water Temperature, in °F)

Total Daily Storage

4
Latest Profile Date: 04/09/2020

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 - 2020

(Water Temperature, in °F)

Total Daily Storage

5
Latest Profile Date: 04/14/2020

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 - 2020

(Water Temperature, in °F)

Total Daily Storage

6