Report Generated 03/21/2022 at 1553

Page Description

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

3 - Redding 10-Day Forecasted Air Temperatures

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

- Water Temperature Measuring Station Details

- Temperature Control Point Details

5 - Shasta Lake Isothermobaths & Cold Water Pool Statistics

14 - Trinity Lake Isothermobaths & Cold Water Pool Statistics

23 - Whiskeytown Lake Isothermobaths & Cold Water Pool Statistics

x - TCD Configuration (External Link)

All Data in this Report is Preliminary and Subject to Change

Northern CVP Water Temperature Report

February - 2022
Shasta 

Generation 

Spring 

Creek P.P.

Keswick 

Total BSF RDB

Jan 2889 138 3294 45.8 48.3

02/01 48.1 47.4 # - 47.2 47.3 47.0 46.8 46.8 46.5 46.7 45.5 44.9 40.9 41.5 2568 39 3283 51.0 49.3 50.3

02/02 48.3 47.7 # - 46.8 46.9 46.8 46.4 46.4 46.0 46.2 45.2 44.9 40.0 40.4 3151 29 3285 50.0 48.3 49.3

02/03 48.2 47.6 # - 46.7 47.0 47.0 47.0 46.9 46.6 46.7 46.1 45.0 41.0 40.9 2867 14 3288 54.0 49.6 52.4

02/04 48.0 47.5 # - 47.1 47.2 47.3 47.3 47.5 47.2 47.5 46.4 44.9 41.5 41.7 2821 98 3285 50.0 45.5 50.5

02/05 48.2 47.6 # - # - 47.7 47.9 47.9 48.1 47.8 48.1 46.6 44.9 41.8 42.3 3051 14 3288 56.0 50.4 54.8

02/06 48.3 47.8 # - # - 48.0 48.3 48.5 48.7 48.4 48.6 46.9 44.9 41.6 42.1 3040 14 3281 ↑ 58.5 51.0 56.3

02/07 48.4 47.6 # - # - 48.0 48.2 48.5 48.9 48.7 49.1 46.5 44.9 41.7 42.2 2774 14 3285 52.5 47.8 50.8

02/08 48.7 47.8 # - ! - 48.3 48.6 48.9 49.2 49.0 49.4 47.2 45.1 42.1 42.6 2822 26 3286 59.5 56.0 61.0

02/09 49.1 48.5 # - 48.3 48.6 49.2 ? 49.7 50.2 50.1 50.2 48.0 45.3 42.8 43.3 3109 36 3277 ↑ 73.0 62.0 64.1

02/10 49.1 48.6 # - 48.6 48.9 49.7 ! - 51.5 51.4 51.7 48.3 45.6 ? 44.0 45.2 2743 14 3274 ↑ 68.5 - 65.4

02/11 49.3 48.8 # - 49.1 49.2 49.8 50.7 51.6 51.7 52.5 48.0 45.7 ! - 45.2 3024 14 3279 ↑ 63.0 57.5 60.8

02/12 49.1 48.8 # - 49.3 49.4 49.9 ? 50.6 51.4 51.3 52.1 47.4 45.7 ! - 44.9 3012 15 3283 60.0 53.8 58.3

02/13 49.0 48.6 # - 49.4 49.5 49.9 50.5 51.1 51.1 51.8 47.3 46.0 44.0 44.8 2939 14 3286 57.5 52.5 55.9

02/14 48.7 48.3 # - 49.3 49.5 50.0 50.5 51.2 51.2 51.6 47.4 46.3 44.8 45.5 2941 14 3284 54.5 51.8 53.5

02/15 49.2 48.2 # - 49.3 49.3 49.4 49.8 50.3 50.2 50.8 46.8 46.0 43.5 44.5 2887 33 3281 53.0 51.4 52.8

02/16 49.2 48.5 # - 49.1 49.3 49.6 ? 49.8 # - 50.0 50.5 47.3 46.2 43.0 43.6 2789 54 3296 55.5 52.8 56.3

02/17 49.2 48.8 # - 48.9 49.1 49.4 50.0 # - 50.5 50.8 47.3 46.7 42.9 43.4 3315 47 3280 58.0 55.3 56.0

02/18 49.2 48.5 # - 48.7 48.9 49.3 49.7 # - 50.3 50.9 47.2 46.8 43.8 43.9 2912 76 3286 54.0 49.8 52.0

02/19 49.2 48.7 # - 49.0 49.2 49.5 50.0 # - 50.5 50.9 47.3 46.9 44.6 44.8 2748 77 3292 54.0 49.8 53.0

02/20 49.3 48.7 # - 49.2 49.3 49.7 ? 50.4 # - 50.9 51.2 47.5 46.8 45.2 45.4 2644 47 3281 54.0 50.8 52.4

02/21 49.0 48.4 # - 49.0 49.0 49.1 49.4 # - 50.0 50.5 47.0 46.7 43.6 44.3 2715 93 3290 46.5 48.0 49.0

02/22 49.3 48.5 # - 49.0 48.9 48.8 48.7 # - 48.6 49.3 46.2 46.8 42.6 43.0 2949 92 3291 42.0 40.0 43.2

02/23 48.9 48.4 # - 48.8 48.7 48.5 47.8 # - 47.4 47.9 ? 46.1 46.6 42.0 42.4 2949 92 3291 44.0 42.0 43.5

02/24 ? 48.6 ? 48.2 # - ? 48.3 ? 48.4 ? 48.4 ? 47.8 # - ? 47.1 ? 47.3 ? 45.9 ? 46.5 41.9 ? 41.9 2963 112 3274 ↓ 40.5 37.1 40.5

02/25 48.6 48.1 # - 48.4 48.4 48.4 48.0 # - 47.6 47.8 46.2 46.2 42.3 42.3 2846 280 3259 ↓ 45.0 41.5 44.5

02/26 48.8 48.1 # - 48.3 48.3 48.3 48.1 # - 48.0 48.1 46.4 45.9 42.3 41.9 2676 110 3268 44.0 44.1 46.6

02/27 48.8 48.2 # - 48.5 48.8 49.3 49.6 # - 49.8 49.6 47.9 46.2 45.1 44.8 3107 47 3263 55.5 52.2 53.4

02/28 48.8 48.3 # - 48.6 48.9 49.4 50.0 # - 50.7 51.2 48.0 46.3 46.7 47.5 3218 47 3268 55.5 51.8 55.3

-

-

-

Feb 2914 56 3282 49.7 52.9

81580 1562 91884

Legend Notes 161811 3098 182248

? = 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 Sacramento River control point (see page 4 for more details)

↑ = Record high air temperature 3 On 2/16/2022 JLF was removed from service indefinitely due to reconstruction of

↓ = Record low air temperature the bridge it was located on and no suitable replacement location in the area.

 = Monthly Averages

Total AF

47.8 46.7

RDB

49.6 46.9

LWS

45.9 42.9

DGC

41.9

Mean Daily Air 

Temperatures (°F)

RDD

50.1

Total CFS

43.4 53.9

Mean Daily 

Release (CFS)

NFH

42.5

Mean Daily Water Temperatures (°F)

45.3

JLF3 BND IGO

48.5

BSF

- 48.4 48.5 48.4 48.1 47.8 47.8

D

A

T

E

48.8 48.2

SAC CCR 2 TCD1 SHD SPP1 KWK

48.8 48.2 - 48.6 48.8 49.0 49.3 49.2

2
↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg

02/01 32 66 49.0 46 58 52.0 34 60 47.0 35 67 51.0 35 67 51.0 36 69 52.5 37 72 54.5 36 70 53.0 41 71 56.0 42 69 55.5 40 70 55.0 43 72 57.5

02/02 43 59 51.0 41 60 50.5 35 65 50.0 34 65 49.5 37 71 54.0 39 73 56.0 36 72 54.0 39 75 57.0 49 70 59.5 45 71 58.0 43 69 56.0 41 69 55.0

02/03 40 60 50.0 41 67 54.0 34 65 49.5 37 74 55.5 41 75 58.0 37 73 55.0 40 75 57.5 44 76 60.0 46 73 59.5 45 72 58.5 44 72 58.0 43 71 57.0

02/04 39 69 54.0 35 67 51.0 36 75 55.5 40 76 58.0 37 73 55.0 43 76 59.5 47 78 62.5 47 78 62.5 45 73 59.0 44 71 57.5 43 69 56.0 44 70 57.0

02/05 34 66 50.0 39 73 56.0 38 75 56.5 37 74 55.5 42 77 59.5 39 79 59.0 46 78 62.0 42 77 59.5 47 75 61.0 41 68 54.5 43 66 54.5 43 70 56.5

02/06 37 75 56.0 42 76 59.0 36 74 55.0 39 79 59.0 43 79 61.0 43 79 61.0 43 77 60.0 45 77 61.0 45 72 58.5 42 63 52.5 44 66 55.0 41 70 55.5

02/07 39 78 58.5 35 76 55.5 43 79 61.0 48 80 64.0 47 82 64.5 43 80 61.5 43 78 60.5 43 75 59.0 43 73 58.0 45 68 56.5 42 67 54.5 40 69 54.5

02/08 33 72 52.5 43 78 60.5 49 79 64.0 49 83 66.0 44 83 63.5 44 80 62.0 43 79 61.0 43 73 58.0 42 63 52.5 37 68 52.5 41 68 54.5 42 66 54.0

02/09 39 80 59.5 66 80 73.0 50 84 67.0 46 84 65.0 43 80 61.5 41 80 60.5 42 72 57.0 39 68 53.5 41 67 54.0 41 71 56.0 40 70 55.0 42 68 55.0

02/10 65 81 73.0 67 85 76.0 49 85 67.0 44 80 62.0 43 79 61.0 42 68 55.0 39 67 53.0 38 71 54.5 45 72 58.5 48 70 59.0 45 69 57.0 45 69 57.0

02/11 53 84 68.5 43 87 65.0 57 84 70.5 43 79 61.0 43 68 55.5 38 66 52.0 39 71 55.0 41 74 57.5 41 70 55.5 42 69 55.5 41 69 55.0 42 70 56.0

02/12 41 85 63.0 42 81 61.5 44 79 61.5 44 72 58.0 38 67 52.5 38 71 54.5 42 75 58.5 39 73 56.0 44 72 58.0 44 67 55.5 44 62 53.0 42 68 55.0

02/13 40 80 60.0 39 78 58.5 44 71 57.5 37 65 51.0 38 72 55.0 41 74 57.5 39 73 56.0 40 72 56.0 42 68 55.0 41 67 54.0 41 70 55.5 41 67 54.0

02/14 39 76 57.5 43 70 56.5 37 65 51.0 38 70 54.0 40 73 56.5 38 72 55.0 38 71 54.5 41 65 53.0 41 59 50.0 42 66 54.0 40 66 53.0 42 63 52.5

02/15 42 67 54.5 42 65 53.5 41 71 56.0 41 74 57.5 40 73 56.5 39 72 55.5 39 65 52.0 36 65 50.5 45 65 55.0 40 67 53.5 40 67 53.5 44 68 56.0

02/16 42 64 53.0 41 68 54.5 40 72 56.0 38 75 56.5 38 74 56.0 39 64 51.5 33 61 47.0 33 62 47.5 43 63 53.0 35 67 51.0 38 65 51.5 41 69 55.0

02/17 41 70 55.5 55 75 65.0 37 77 57.0 39 74 56.5 38 67 52.5 34 61 47.5 33 61 47.0 32 61 46.5 35 66 50.5 35 67 51.0 41 67 54.0 41 69 55.0

02/18 43 73 58.0 35 73 54.0 37 75 56.0 39 68 53.5 33 60 46.5 30 57 43.5 30 59 44.5 29 62 45.5 36 69 52.5 42 66 54.0 43 65 54.0 42 65 53.5

02/19 33 75 54.0 35 74 54.5 39 68 53.5 35 59 47.0 32 54 43.0 29 57 43.0 28 61 44.5 32 63 47.5 44 60 52.0 43 59 51.0 45 64 54.5 40 64 52.0

02/20 35 73 54.0 40 67 53.5 36 57 46.5 32 54 43.0 30 55 42.5 26 59 42.5 30 64 47.0 32 64 48.0 41 70 55.5 45 74 59.5 43 73 58.0 46 71 58.5

02/21 40 68 54.0 42 57 49.5 32 54 43.0 29 59 44.0 26 59 42.5 29 70 49.5 32 65 48.5 39 65 52.0 45 71 58.0 44 73 58.5 47 67 57.0 46 66 56.0

02/22 36 57 46.5 30 55 42.5 28 55 41.5 25 60 42.5 28 65 46.5 30 64 47.0 36 65 50.5 39 69 54.0 46 72 59.0 45 71 58.0 46 69 57.5 42 66 54.0

02/23 30 54 42.0 38 56 47.0 24 59 41.5 28 65 46.5 29 63 46.0 38 61 49.5 37 69 53.0 42 67 54.5 45 72 58.5 42 73 57.5 40 69 54.5 41 66 53.5

02/24 33 55 44.0 25 57 41.0 27 63 45.0 29 63 46.0 38 63 50.5 40 65 52.5 44 69 56.5 45 67 56.0 50 74 62.0 42 69 55.5 43 69 56.0 46 71 58.5

02/25 24 57 40.5 27 64 45.5 28 63 45.5 39 65 52.0 38 71 54.5 43 72 57.5 43 69 56.0 42 64 53.0 43 72 57.5 40 68 54.0 37 67 52.0 40 68 54.0

02/26 25 65 45.0 32 61 46.5 39 64 51.5 38 71 54.5 44 72 58.0 45 68 56.5 40 64 52.0 34 65 49.5 39 64 51.5 37 68 52.5 37 69 53.0 42 65 53.5

02/27 28 60 44.0 46 67 56.5 38 74 56.0 44 73 58.5 46 69 57.5 42 62 52.0 34 64 49.0 35 65 50.0 39 64 51.5 39 66 52.5 38 66 52.0 39 71 55.0

02/28 43 68 55.5 39 75 57.0 42 73 57.5 45 68 56.5 43 61 52.0 34 62 48.0 33 65 49.0 35 67 51.0 41 60 50.5 40 69 54.5 42 68 55.0 42 65 53.5

-

-

-

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

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 9 Days

3
Code Body of Water Location1 CDEC Link River Point Temp. (°F) Begin Date End Date

TCD N/A Shasta Power Plant N/A Sacramento CCR 56 09/21/2020 04/18/2021

SHD Sacramento River 0.3 miles downstream of Shasta Power Plant Click Here Sacramento CCR 60 04/18/2021 05/17/2021

SPP N/A Spring Creek Power Plant N/A Sacramento SAC 57 05/17/2021 06/15/2021

KWK Sacramento River 0.8 miles downstream of Keswick Dam Click Here Sacramento SAC 55 06/15/2021 TBD

SAC Sacramento River 4.8 miles downstream of Keswick Dam Click Here Trinity DGC 56 09/15/2021 10/01/2021

CCR Sacramento River 9.7 miles downstream of Keswick Dam Click Here Trinity NFH 56 10/01/2021 12/31/2021

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

IGO Clear Creek 7.3 miles downstream of Whiskeytown Dam Click Here

LWS Trinity River 1.1 miles downstream of Lewiston Dam Click Here Notes

DGC Trinity River 19 miles downstream of Lewiston Dam Click Here

NFH Trinity River 38 miles downstream of Lewiston Dam Click Here 1 Distances are approximate

Station Details Water Right Temperature Control Points

35

39

43

47

51

55

59

63

67

71

75

46

47

48

49

50

51

52

53

54

55

56

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

Air Temperature (°F)

Water Temperature (°F)

Mean Daily Temperatures

TCD KWK SAC CCR BSF RDD (Air)

4
Updated 02/02/2022 at 1357

Latest Profile Date: 02/02/2022

Page Description

6 - Shasta Lake Isothermobaths Plot

7 - Shasta Lake Cold Water Pool Volume ≤52°F

8 - Shasta Lake Cold Water Pool Volume ≤50°F

9 - Shasta Lake Cold Water Pool Volume ≤48°F

10 - Shasta Lake Cold Water Pool Volume ≤52°F - Percent Exceedances

11 - Shasta Lake Cold Water Pool Volume ≤50°F - Percent Exceedances

12 - Shasta Lake Cold Water Pool Volume ≤48°F - Percent Exceedances

13 - Shasta Lake Cold Water Pool Comparison by Year

Shasta Lake Isothermobaths & Cold Water Pool Statistics

2022

5
6

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Isothermobaths Plot - 2022

<46 46-48 48-50 50-52 52-54 54-56 56-58 58-60

60-62 62-64 64-66 66-68 68-70 >70 Storage
7

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤52°F

Avg (1998-2021) 2014 2015 2016 2019 2022
8

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤50°F

Avg (1998-2021) 2014 2015 2016 2019 2022
9

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤48°F

Avg (1998-2021) 2014 2015 2016 2019 2022
10

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤52°F - Percent Exceedances (1998-2021)

2022 95 90 75 50 25 10 5
11

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤50°F - Percent Exceedances (1998-2021)

2022 95 90 75 50 25 10 5
12

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤48°F - Percent Exceedances (1998-2021)

2022 95 90 75 50 25 10 5
Feb-02

2022 ≤52° ≤50° ≤48° Abs. Avg. ≤52° ≤50° ≤48° Abs. Avg.

1998 410 385 -213 336 25 24 -35 28

1999 1891 854 1654 1466 117 53 271 147

2000 2151 655 -54 953 133 40 -9 61

2001 1495 29 787 770 92 2 129 74

2002 1930 1930 283 1381 119 119 46 95

2003 1837 747 254 946 113 46 42 67

2004 2002 1154 -11 1056 123 71 -2 65

2005 1162 986 106 751 72 61 17 50

2006 1943 1369 86 1133 120 84 14 73

2007 1750 1260 254 1088 108 78 42 76

2008 575 400 1387 787 35 25 227 96

2009 -193 -193 -134 173 -12 -12 -22 15

2010 975 929 40 648 60 57 7 41

2011 1882 6 109 666 116 0 18 45

2012 1487 1487 409 1128 92 92 67 83

2013 1860 1495 559 1305 115 92 92 100

2014 31 -135 -86 84 2 -8 -14 8

2015 380 -723 -137 413 23 -45 -22 30

2016 611 477 72 386 38 29 12 26

2017 2369 2369 1271 2003 146 146 208 167

2018 380 -629 -181 396 23 -39 -30 31

2019 1010 957 -140 702 62 59 -23 48

2020 1635 -517 -24 725 101 -32 -4 46

2021 532 22 -160 238 33 1 -26 20

2022 0 0 0 0 0 0 0 0

∆ TAF % ∆

Shasta Lake Cold Water Pool Comparison by Year (for Specified Date)

Historic - Current (Historic - Current) / Current

13
Updated 02/03/2022 at 1342

Latest Profile Date: 02/03/2022

Page Description

15 - Trinity Lake Isothermobaths Plot

16 - Trinity Lake Cold Water Pool Volume ≤52°F

17 - Trinity Lake Cold Water Pool Volume ≤50°F

18 - Trinity Lake Cold Water Pool Volume ≤48°F

19 - Trinity Lake Cold Water Pool Volume ≤52°F - Percent Exceedances

20 - Trinity Lake Cold Water Pool Volume ≤50°F - Percent Exceedances

21 - Trinity Lake Cold Water Pool Volume ≤48°F - Percent Exceedances

22 - Trinity Lake Cold Water Pool Comparison by Year

Trinity Lake Isothermobaths & Cold Water Pool Statistics

2022

14
15

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Isothermobaths Plot - 2022

<46 46-48 48-50 50-52 52-54 54-56 56-58 58-60

60-62 62-64 64-66 66-68 68-70 >70 Storage
16

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤52°F

Avg (2000-2021) 2014 2015 2016 2019 2022
17

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤50°F

Avg (2000-2021) 2014 2015 2016 2019 2022
18

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤48°F

Avg (2000-2021) 2014 2015 2016 2019 2022
19

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤52°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
20

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤50°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
21

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤48°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
Feb-03

2022 ≤52° ≤50° ≤48° Abs. Avg. ≤52° ≤50° ≤48° Abs. Avg.

2000 1254 1254 1254 1254 164 164 164 164

2001 935 935 935 935 122 122 122 122

2002 896 896 896 896 117 117 117 117

2003 1018 1018 996 1011 133 133 131 132

2004 1129 1129 1129 1129 148 148 148 148

2005 829 691 656 725 109 90 86 95

2006 1272 1272 1272 1272 167 167 167 167

2007 1060 1060 1060 1060 139 139 139 139

2008 669 669 669 669 88 88 88 88

2009 258 258 258 258 34 34 34 34

2010 295 183 164 214 39 24 21 28

2011 1042 1042 1042 1042 137 137 137 137

2012 1203 943 895 1014 158 124 117 133

2013 1175 1175 1175 1175 154 154 154 154

2014 414 414 396 408 54 54 52 53

2015 117 117 7 80 15 15 1 11

2016 -79 -79 -79 79 -10 -10 -10 10

2017 869 708 682 753 114 93 89 99

2018 1014 1014 1014 1014 133 133 133 133

2019 838 838 838 838 110 110 110 110

2020 1236 1236 1236 1236 162 162 162 162

2021 496 496 496 496 65 65 65 65

2022 0 0 0 0 0 0 0 0

Trinity Cold Water Pool Comparison by Year (for Specified Date)

∆ TAF % ∆

Historic - Current (Historic - Current) / Current

22
Updated 02/01/2022 at 1323

Latest Profile Date: 02/01/2022

Page Description

24 - Whiskeytown Lake Isothermobaths Plot

25 - Whiskeytown Lake Cold Water Pool Volume ≤60°F

26 - Whiskeytown Lake Cold Water Pool Volume ≤58°F

27 - Whiskeytown Lake Cold Water Pool Volume ≤56°F

28 - Whiskeytown Lake Cold Water Pool Volume ≤60°F - Percent Exceedances

29 - Whiskeytown Lake Cold Water Pool Volume ≤58°F - Percent Exceedances

30 - Whiskeytown Lake Cold Water Pool Volume ≤56°F - Percent Exceedances

31 - Whiskeytown Lake Cold Water Pool Comparison by Year

Whiskeytown Lake Isothermobaths & Cold Water Pool Statistics

2022

23
24

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Isothermobaths Plot - 2022

<46 46-48 48-50 50-52 52-54 54-56 56-58 58-60

60-62 62-64 64-66 66-68 68-70 >70 Storage
25

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤60°F

Avg (2000-2021) 2014 2015 2016 2019 2022
26

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤58°F

Avg (2000-2021) 2014 2015 2016 2019 2022
27

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤56°F

Avg (2000-2021) 2014 2015 2016 2019 2022
28

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤60°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
29

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤58°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
30

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤56°F - Percent Exceedances (2000-2021)

2022 95 90 75 50 25 10 5
Feb-01

2022 ≤60° ≤58° ≤56° Abs. Avg. ≤60° ≤58° ≤56° Abs. Avg.

2000 1.2 1.2 1.2 1.2 0.6 0.6 0.6 0.6

2001 10.4 10.4 10.4 10.4 5.0 5.0 5.0 5.0

2002 -0.6 -0.6 -0.6 0.6 -0.3 -0.3 -0.3 0.3

2003 0.5 0.5 0.5 0.5 0.2 0.2 0.2 0.2

2004 0.5 0.5 0.5 0.5 0.3 0.3 0.3 0.3

2005 6.3 6.3 6.3 6.3 3.0 3.0 3.0 3.0

2006 0.3 0.3 0.3 0.3 0.1 0.1 0.1 0.1

2007 -0.6 -0.6 -0.6 0.6 -0.3 -0.3 -0.3 0.3

2008 -0.3 -0.3 -0.3 0.3 -0.2 -0.2 -0.2 0.2

2009 2.9 2.9 2.9 2.9 1.4 1.4 1.4 1.4

2010 18.3 18.3 18.3 18.3 8.9 8.9 8.9 8.9

2011 -0.3 -0.3 -0.3 0.3 -0.2 -0.2 -0.2 0.2

2012 -3.7 -4.1 -4.8 4.2 -1.8 -2.0 -2.3 2.0

2013 -0.2 -0.2 -0.2 0.2 -0.1 -0.1 -0.1 0.1

2014 0.7 0.7 0.7 0.7 0.3 0.3 0.3 0.3

2015 -0.8 -0.8 -0.8 0.8 -0.4 -0.4 -0.4 0.4

2016 5.7 5.7 5.7 5.7 2.8 2.8 2.8 2.8

2017 25.2 25.2 25.2 25.2 12.3 12.3 12.3 12.3

2018 -0.3 -0.3 -0.3 0.3 -0.1 -0.1 -0.1 0.1

2019 7.2 7.2 7.2 7.2 3.5 3.5 3.5 3.5

2020 1.4 1.4 1.4 1.4 0.7 0.7 0.7 0.7

2021 0.8 0.8 0.8 0.8 0.4 0.4 0.4 0.4

2022 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

∆ TAF % ∆

Whiskeytown Cold Water Pool Comparison by Year (for Specified Date)

Historic - Current (Historic - Current) / Current

31