Report Generated 07/09/2020 at 1355

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

December - 2019
Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Nov 4479 323 5142 51.9 54.1 -

12/01 52.8 52.0 52.1 51.2 51.1 50.8 50.0 49.7 49.5 48.9 48.9 ? 41.6 41.0 4407 217 5016 41.0 41.6 41.3 -

12/02 53.0 52.0 51.9 51.1 51.3 51.2 50.5 50.3 50.2 49.7 49.4 42.7 42.3 4011 854 5061 48.5 48.4 48.6 -

12/03 52.8 51.9 52.1 51.5 51.7 51.9 ? 51.5 51.4 51.4 51.0 50.0 43.5 44.2 4434 65 5017 56.5 51.5 54.3 -

12/04 52.5 51.7 52.0 51.7 51.8 51.8 ? 51.7 51.7 51.8 51.7 49.6 44.0 44.8 4361 37 5034 50.0 49.8 50.2 -

12/05 52.6 51.6 51.8 51.8 52.0 52.0 52.2 52.3 52.4 52.1 49.8 44.5 45.5 4383 22 5037 53.5 52.0 52.8 -

12/06 52.4 51.7 # - 51.7 51.9 52.0 52.2 52.5 52.6 52.6 50.9 44.6 46.1 4725 0 5033 53.5 53.2 54.8 -

12/07 52.2 51.5 # - 51.7 52.2 52.2 52.6 52.9 53.1 53.0 51.1 44.4 45.4 4352 0 5034 54.5 56.8 56.4 -

12/08 52.5 51.8 # - 51.8 52.2 52.2 52.7 52.8 53.0 53.1 51.1 45.1 45.9 3933 0 5037 51.0 53.9 54.7 -

12/09 52.6 51.7 # - 51.5 51.8 51.7 51.4 51.4 51.5 51.9 49.9 45.3 46.0 4442 0 5036 49.0 44.5 48.8 -

12/10 52.0 51.3 # - 51.5 51.5 51.3 50.9 50.7 50.8 50.7 49.7 45.1 45.4 4909 0 5037 45.0 45.0 47.0 -

12/11 51.8 51.1 # - 51.6 51.6 51.5 51.4 51.4 51.6 51.1 50.2 45.2 45.4 4491 0 5033 49.5 49.7 50.5 -

12/12 51.9 51.1 # - 51.5 51.6 51.6 51.5 51.7 51.9 51.6 50.7 45.7 45.9 4133 0 5033 53.0 52.6 52.8 -

12/13 51.8 51.1 # - 51.4 51.5 51.5 51.9 52.2 52.5 52.1 50.6 45.7 46.0 3960 0 5032 52.5 53.5 54.1 -

12/14 51.7 51.0 # - 51.3 51.3 51.3 51.4 51.6 51.9 51.8 49.9 45.0 45.0 2943 0 5053 47.0 47.4 48.5 -

12/15 52.0 51.1 # - 51.1 50.9 50.7 50.2 50.0 50.2 50.3 49.0 44.4 44.0 4609 0 5122 42.5 39.7 42.7 -

12/16 51.9 51.0 # - 50.8 50.7 50.4 49.6 49.2 49.2 48.9 48.9 43.8 43.9 5250 0 5058 45.0 39.8 43.1 -

12/17 51.6 50.7 # - 50.7 50.4 50.1 49.2 48.7 48.7 48.2 48.7 43.6 42.1 4611 0 4963 42.5 38.0 40.0 -

12/18 51.5 50.7 # - 50.6 50.4 50.0 49.0 48.5 48.5 47.8 48.9 43.6 42.1 4627 0 5019 38.0 38.6 40.0 -

12/19 53.1 51.8 51.4 50.5 50.5 50.3 49.6 49.5 49.5 48.7 49.5 44.0 43.4 3984 17 5097 46.0 45.5 46.3 -

12/20 53.7 52.8 51.2 50.7 50.6 50.5 50.0 50.0 50.2 49.7 49.8 44.9 44.6 4724 37 5122 49.0 48.3 49.4 -

12/21 53.5 52.8 50.2 51.9 51.5 51.1 50.4 50.3 50.4 50.0 49.5 45.0 45.4 5745 419 7017 46.5 43.8 45.5 -

12/22 53.4 52.6 50.1 52.4 52.0 51.7 51.0 50.8 50.8 50.0 48.8 44.4 44.7 5862 437 7060 45.0 44.9 46.0 -

12/23 53.3 52.6 50.0 52.2 52.0 51.8 50.7 50.5 50.7 50.3 48.1 43.4 43.7 5597 436 7055 45.0 44.4 45.5 -

12/24 53.3 52.4 49.8 51.9 51.7 51.3 50.3 49.8 50.0 49.5 48.1 43.5 42.6 6086 439 7063 39.0 39.5 40.8 -

12/25 53.0 ? 52.3 49.7 52.0 51.7 51.4 50.7 50.4 50.5 49.8 48.5 43.7 42.7 5686 524 7004 41.0 41.9 42.8 -

12/26 53.1 ? 52.1 49.6 51.8 51.6 51.4 50.3 49.8 49.8 49.3 48.0 42.7 42.6 5608 460 6951 49.0 41.5 44.8 -

12/27 52.9 52.0 49.2 51.4 51.3 51.1 50.2 49.6 49.6 49.0 47.6 42.5 41.7 5154 1330 6979 48.0 41.6 46.0 -

12/28 52.7 ? 51.8 49.0 51.2 51.1 51.0 50.3 49.8 49.9 49.2 47.9 42.7 41.5 4635 1340 6928 53.5 45.7 47.7 -

12/29 52.6 ? 51.7 49.0 51.2 51.1 50.9 50.5 50.3 50.5 50.0 48.2 43.2 41.9 5076 1343 6086 47.0 45.5 46.0 -

12/30 52.5 51.7 48.9 51.1 51.1 51.0 50.5 50.3 50.3 49.9 48.0 43.4 43.1 4165 1309 5801 51.0 48.4 50.3 -

12/31 52.4 51.6 48.8 50.9 51.0 51.0 50.7 50.5 50.6 50.1 48.3 43.4 43.4 3924 1323 5595 59.0 52.4 52.8 -

Dec 4672 342 5626 46.4 47.9 -

144827 10609 174413

Legend Notes 287258 21043 345941

? = 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 NFH is only reported in October, November and December

↓ = Record low air temperature

 = Monthly Averages

50.7

IGO

50.8

Total AF

51.8 52.1

RDB

50.4 49.3

LWS

44.0 44.0

NFH 

45.7

JLF BND

Mean Daily 

Air Temperatures (°F)

RDD

56.4

Total CFS

48.1

51.7 51.9 52.0 52.0 44.5

Mean Daily 

Release (CFS)

50.4 51.4 51.4

53.4 51.4

51.3

51.8

50.8

D

A

T

E

52.1 51.3

TCD SAC CCR 1 SHD SPP1 KWK

Mean Daily Water Temperatures (°F)

BSF2

52.5 51.7

3

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

12/01 35 45 40.0 37 48 42.5 44 52 48.0 44 59 51.5 42 58 50.0 40 55 47.5 46 54 50.0 43 54 48.5 40 58 49.0 38 57 47.5 38 58 48.0 37 57 47.0

12/02 37 45 41.0 46 52 49.0 44 60 52.0 42 58 50.0 42 55 48.5 44 55 49.5 40 55 47.5 35 58 46.5 38 61 49.5 41 60 50.5 39 57 48.0 37 56 46.5

12/03 45 52 48.5 47 60 53.5 39 59 49.0 40 55 47.5 45 55 50.0 45 54 49.5 37 57 47.0 34 58 46.0 39 62 50.5 41 62 51.5 41 62 51.5 41 61 51.0

12/04 47 66 56.5 45 58 51.5 43 57 50.0 43 56 49.5 44 57 50.5 41 57 49.0 35 59 47.0 34 57 45.5 39 63 51.0 38 62 50.0 41 60 50.5 39 61 50.0

12/05 44 56 50.0 50 57 53.5 43 56 49.5 50 57 53.5 43 57 50.0 35 60 47.5 37 58 47.5 38 60 49.0 41 62 51.5 38 62 50.0 42 62 52.0 39 58 48.5

12/06 50 57 53.5 48 56 52.0 53 57 55.0 44 58 51.0 34 61 47.5 33 58 45.5 38 60 49.0 40 60 50.0 39 59 49.0 40 58 49.0 39 58 48.5 35 56 45.5

12/07 50 57 53.5 55 57 56.0 46 57 51.5 37 59 48.0 37 56 46.5 41 59 50.0 40 58 49.0 41 60 50.5 43 61 52.0 40 59 49.5 35 58 46.5 36 59 47.5

12/08 52 57 54.5 53 58 55.5 40 59 49.5 38 55 46.5 42 58 50.0 43 57 50.0 42 58 50.0 41 58 49.5 43 62 52.5 38 60 49.0 36 57 46.5 38 54 46.0

12/09 43 59 51.0 38 60 49.0 38 55 46.5 41 56 48.5 43 56 49.5 45 58 51.5 44 54 49.0 37 53 45.0 35 60 47.5 32 58 45.0 35 55 45.0 36 53 44.5

12/10 37 61 49.0 37 54 45.5 42 54 48.0 45 57 51.0 45 59 52.0 39 55 47.0 32 56 44.0 31 56 43.5 36 55 45.5 39 54 46.5 38 55 46.5 37 52 44.5

12/11 36 54 45.0 48 55 51.5 45 59 52.0 45 58 51.5 38 56 47.0 32 54 43.0 32 55 43.5 35 53 44.0 41 53 47.0 41 56 48.5 40 53 46.5 39 55 47.0

12/12 48 51 49.5 51 60 55.5 45 58 51.5 37 55 46.0 32 55 43.5 31 56 43.5 34 54 44.0 36 52 44.0 40 52 46.0 41 56 48.5 42 56 49.0 41 56 48.5

12/13 51 55 53.0 50 57 53.5 39 56 47.5 33 53 43.0 30 57 43.5 31 55 43.0 35 53 44.0 37 54 45.5 41 55 48.0 42 54 48.0 36 55 45.5 39 57 48.0

12/14 49 56 52.5 41 55 48.0 33 53 43.0 32 57 44.5 35 54 44.5 36 51 43.5 38 53 45.5 42 55 48.5 44 53 48.5 39 54 46.5 37 58 47.5 38 59 48.5

12/15 38 56 47.0 33 53 43.0 33 56 44.5 34 53 43.5 35 51 43.0 38 50 44.0 42 54 48.0 41 51 46.0 36 55 45.5 35 56 45.5 36 55 45.5 35 53 44.0

12/16 32 53 42.5 31 56 43.5 32 51 41.5 34 51 42.5 38 50 44.0 42 55 48.5 40 53 46.5 41 53 47.0 42 56 49.0 38 56 47.0 38 56 47.0 38 54 46.0

12/17 31 59 45.0 33 52 42.5 33 47 40.0 37 50 43.5 41 55 48.0 41 54 47.5 40 51 45.5 38 52 45.0 38 56 47.0 39 53 46.0 37 56 46.5 38 55 46.5

12/18 32 53 42.5 32 46 39.0 38 51 44.5 44 56 50.0 43 53 48.0 41 52 46.5 38 52 45.0 35 51 43.0 36 54 45.0 38 56 47.0 37 57 47.0 39 57 48.0

12/19 32 44 38.0 43 52 47.5 42 57 49.5 42 55 48.5 40 52 46.0 36 52 44.0 33 50 41.5 35 49 42.0 40 55 47.5 42 54 48.0 37 56 46.5 35 62 48.5

12/20 44 48 46.0 47 55 51.0 42 54 48.0 39 49 44.0 36 52 44.0 32 50 41.0 36 49 42.5 35 49 42.0 37 55 46.0 41 51 46.0 36 53 44.5 36 59 47.5

12/21 45 53 49.0 41 56 48.5 40 51 45.5 34 54 44.0 30 49 39.5 34 47 40.5 34 52 43.0 35 53 44.0 37 58 47.5 41 57 49.0 39 60 49.5 41 60 50.5

12/22 41 52 46.5 41 52 46.5 32 54 43.0 29 49 39.0 36 47 41.5 30 53 41.5 32 55 43.5 33 54 43.5 37 59 48.0 39 63 51.0 43 65 54.0 40 63 51.5

12/23 40 50 45.0 38 54 46.0 30 47 38.5 36 47 41.5 32 54 43.0 33 57 45.0 32 57 44.5 32 53 42.5 36 54 45.0 39 61 50.0 40 62 51.0 42 62 52.0

12/24 34 56 45.0 NR 48 NR 36 47 41.5 31 53 42.0 33 56 44.5 32 56 44.0 34 52 43.0 34 58 46.0 42 56 49.0 39 64 51.5 46 63 54.5 45 58 51.5

12/25 30 48 39.0 NR 47 NR 31 54 42.5 32 55 43.5 32 53 42.5 35 54 44.5 35 58 46.5 37 59 48.0 39 60 49.5 43 63 53.0 41 61 51.0 41 60 50.5

12/26 38 44 41.0 NR 56 NR 29 56 42.5 32 58 45.0 34 52 43.0 35 58 46.5 36 62 49.0 38 59 48.5 44 64 54.0 37 60 48.5 38 58 48.0 38 62 50.0

12/27 41 57 49.0 NR 56 NR 33 58 45.5 35 50 42.5 34 58 46.0 36 61 48.5 38 61 49.5 39 61 50.0 40 64 52.0 44 60 52.0 40 58 49.0 38 52 45.0

12/28 37 59 48.0 42 60 51.0 36 48 42.0 35 58 46.5 36 60 48.0 37 57 47.0 41 59 50.0 41 53 47.0 37 56 46.5 34 57 45.5 35 52 43.5 37 53 45.0

12/29 41 66 53.5 42 54 48.0 35 59 47.0 38 61 49.5 39 58 48.5 39 58 48.5 40 55 47.5 38 54 46.0 42 61 51.5 36 62 49.0 40 63 51.5 39 61 50.0

12/30 42 52 47.0 38 60 49.0 41 62 51.5 41 57 49.0 39 59 49.0 40 60 50.0 40 57 48.5 37 57 47.0 39 60 49.5 35 61 48.0 36 56 46.0 36 54 45.0

12/31 37 65 51.0 53 63 58.0 40 58 49.0 39 60 49.5 40 60 50.0 40 55 47.5 36 56 46.0 34 58 46.0 36 62 49.0 36 54 45.0 35 53 44.0 35 53 44.0

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

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

Redding (RDD) Daily Air Temperatures (°F)

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

36

38

40

42

44

46

48

50

52

54

56

58

60

48

49

50

51

52

53

54

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)

3
Latest Profile Date: 01/06/2020

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 - 2019

(Water Temperature, in °F)

Total Daily Storage

4
Latest Profile Date: 01/08/2020

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 - 2019

(Water Temperature, in °F)

Total Daily Storage

5
Latest Profile Date: 01/07/2020

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 - 2019

(Water Temperature, in °F)

Total Daily Storage

6