Report Generated 02/01/2018 at 0813

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 - Lake Shasta Isothermalbaths Plot

5 - Daily Maximum and 7DADM 

x - TCD Configuration (External Link)

All Data in this Report is Preliminary and Subject to Change

Northern CVP Water Temperature Report

January - 2018
1

Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Dec 4378 28 4444 44.0 47.3 35.9

01/01 52.6 52.2 49.0 52.1 52.0 52.1 51.4 51.2 51.0 50.6 47.5 43.4 - 4024 21 4318 53.0 48.5 51.3 41.6

01/02 52.6 52.0 48.7 52.1 51.8 ? 51.9 51.1 51.0 50.9 50.8 47.6 43.4 - 4278 28 4128 49.5 45.3 49.5 39.9

01/03 52.4 52.0 48.6 52.0 51.9 52.1 51.5 51.4 51.3 50.9 47.9 43.8 - 3622 75 3837 53.0 50.1 51.5 43.3

01/04 52.4 52.0 48.7 52.0 51.9 52.1 51.9 52.1 52.1 51.8 48.1 45.0 - 3807 14 3684 52.5 52.0 52.1 50.3

01/05 52.4 51.8 48.5 52.1 52.0 52.3 52.5 52.8 52.9 52.7 48.3 45.7 - 3488 14 3492 56.5 56.6 57.1 50.4

01/06 52.1 51.6 48.7 52.0 52.0 52.3 52.5 52.7 53.1 53.4 47.8 44.8 - 2480 894 3478 52.0 51.7 51.8 42.3

01/07 52.2 51.8 48.9 51.5 51.3 51.4 51.2 51.2 51.4 51.8 47.2 44.3 - 3745 65 3503 45.5 45.3 47.2 40.5

01/08 52.4 51.7 48.7 51.4 51.3 51.5 51.5 51.3 51.3 51.2 47.8 44.5 - 2839 361 3547 50.5 49.5 49.8 43.6

01/09 52.2 51.7 48.5 51.4 51.4 51.7 ? 51.5 51.5 51.7 51.7 48.3 45.5 - 2819 464 3561 53.5 53.1 54.1 47.0

01/10 52.0 51.5 49.1 51.3 51.2 51.3 51.3 51.3 51.6 51.6 48.0 45.0 - 3001 14 3553 48.5 49.2 49.6 42.5

01/11 51.8 51.4 49.1 51.4 51.3 51.4 51.4 51.3 51.5 51.3 48.3 45.8 - 3588 14 3558 52.0 50.8 52.0 47.2

01/12 51.9 51.3 48.9 51.5 51.5 51.8 51.9 51.7 51.8 51.8 48.0 45.4 - 3657 14 3556 54.0 51.7 54.1 43.0

01/13 52.3 51.6 48.8 51.4 51.4 51.6 51.2 51.1 51.2 51.4 47.7 45.0 - 3423 14 3556 57.0 46.9 47.8 42.0

01/14 51.8 51.4 48.9 51.3 51.3 51.4 51.1 50.9 51.1 50.9 47.8 45.3 - 2919 593 3558 49.5 46.0 46.5 43.6

01/15 51.8 51.4 49.2 51.1 50.9 51.0 51.0 50.8 50.9 50.9 47.8 45.2 - 3062 38 3557 47.5 47.0 47.7 42.4

01/16 51.8 51.2 49.1 51.3 51.3 51.5 51.5 51.5 51.6 51.4 48.5 46.1 - 3379 14 3538 55.5 53.0 53.6 47.8

01/17 52.0 51.3 48.9 51.4 51.4 51.7 52.1 52.3 52.6 52.4 48.7 46.8 - 3261 39 3577 55.5 54.0 53.6 49.9

01/18 51.5 ? 51.1 48.8 51.4 51.3 51.5 51.8 51.9 52.2 52.3 48.4 46.7 - 3587 14 3780 48.5 50.9 51.2 45.8

01/19 51.6 50.9 48.8 51.2 50.9 50.9 50.2 50.2 50.5 50.9 47.2 44.5 - 3866 14 3780 45.5 43.5 46.7 36.9

01/20 51.7 51.0 49.0 50.9 50.7 50.7 49.3 48.8 48.8 49.0 46.9 43.7 - 3154 14 3858 44.5 40.3 43.8 35.8

01/21 51.7 ? 50.9 49.4 50.6 50.3 50.1 49.0 48.4 48.4 48.1 47.0 43.4 - 3633 15 3842 41.0 39.5 42.5 34.6

01/22 51.5 50.7 49.1 50.5 50.3 50.3 48.6 48.4 48.4 48.2 47.4 43.6 - 3453 43 3843 46.0 45.4 47.4 37.0

01/23 51.4 51.0 49.2 50.5 50.4 50.4 49.4 48.9 49.0 48.6 47.4 44.8 - 3409 14 3844 44.5 44.6 46.2 40.3

01/24 51.2 ? 50.6 49.0 50.6 50.4 50.4 49.8 49.6 49.6 49.1 47.7 44.8 - 3670 42 3846 45.5 47.0 47.6 40.4

01/25 51.3 50.5 49.0 50.6 50.2 50.2 47.9 47.8 48.0 48.3 47.0 43.7 - 3554 14 3847 41.0 41.2 44.8 35.3

01/26 51.1 ? 50.7 48.9 50.3 50.2 50.3 48.6 48.2 48.2 47.8 47.4 44.0 - 3951 36 3847 45.0 44.8 45.4 36.4

01/27 51.4 50.6 48.9 50.2 50.2 50.3 49.6 49.2 49.2 48.8 47.6 44.3 - 3678 14 3841 49.0 45.7 46.5 38.9

01/28 51.6 50.8 48.4 50.5 50.5 50.7 49.8 49.4 49.5 49.4 47.7 44.8 - 3475 186 3845 ↑ 54.5 48.7 50.8 42.0

01/29 51.1 50.6 48.5 50.5 50.5 50.8 50.4 50.1 50.3 49.9 47.9 45.0 - 3550 93 3846 53.5 48.0 48.5 43.3

01/30 51.0 50.5 48.8 50.6 50.5 50.8 50.4 50.1 50.2 50.1 47.5 45.1 - 3777 51 3846 52.5 47.5 49.9 44.0

01/31 51.1 50.5 48.5 50.6 50.5 50.7 50.2 49.9 50.1 50.1 47.2 44.9 - 3857 101 3843 52.0 46.6 51.0 41.3

Jan 3484 107 3733 47.9 49.4 42.2

108006 3327 115709

Legend Notes 214225 6599 229504

? = 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

51.2

D

A

T

E

Mean Daily Water Temperatures (°F) Mean Daily 

Release (CFS)

52.4 51.9 48.8 -

TCD SAC CCR JLF 1 SHD SPP1 KWK BSF2

51.8 51.2 48.9 51.2 51.1

51.4 51.6 51.3 51.3 50.3 49.9

Mean Daily 

Air Temperatures (°F)

49.7 49.4

50.0

RDD

-

49.0

BND

50.7 50.7 50.6

Total AF

RDB

Total CFS

IGO -----

47.7 44.8

LWS

42.6

50.5

3
2

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

01/01 36 63 49.5 37 67 52.0 37 66 51.5 38 64 51.0 38 57 47.5 41 56 48.5 37 57 47.0 33 59 46.0 38 64 51.0 42 64 53.0 42 58 50.0 41 59 50.0

01/02 36 70 53.0 38 66 52.0 38 64 51.0 39 57 48.0 41 56 48.5 35 57 46.0 34 56 45.0 32 59 45.5 42 64 53.0 42 64 53.0 44 63 53.5 43 59 51.0

01/03 37 62 49.5 42 65 53.5 38 61 49.5 38 58 48.0 35 57 46.0 34 59 46.5 34 62 48.0 36 62 49.0 48 62 55.0 44 65 54.5 44 63 53.5 42 62 52.0

01/04 41 65 53.0 51 59 55.0 43 59 51.0 37 60 48.5 35 62 48.5 34 58 46.0 39 57 48.0 35 59 47.0 44 57 50.5 43 61 52.0 41 61 51.0 40 61 50.5

01/05 51 54 52.5 53 59 56.0 36 59 47.5 34 58 46.0 35 52 43.5 39 59 49.0 36 59 47.5 35 61 48.0 44 65 54.5 44 66 55.0 44 61 52.5 39 55 47.0

01/06 53 60 56.5 46 59 52.5 33 61 47.0 36 53 44.5 38 55 46.5 34 58 46.0 35 62 48.5 36 63 49.5 43 69 56.0 42 65 53.5 42 59 50.5 40 55 47.5

01/07 41 63 52.0 35 60 47.5 37 52 44.5 40 56 48.0 35 57 46.0 35 60 47.5 37 63 50.0 36 64 50.0 43 71 57.0 42 65 53.5 42 56 49.0 44 55 49.5

01/08 34 57 45.5 49 53 51.0 41 59 50.0 36 57 46.5 36 59 47.5 38 63 50.5 36 66 51.0 37 65 51.0 43 66 54.5 41 66 53.5 42 61 51.5 42 57 49.5

01/09 49 52 50.5 51 60 55.5 37 56 46.5 36 57 46.5 38 63 50.5 36 66 51.0 36 65 50.5 37 62 49.5 45 62 53.5 45 58 51.5 43 60 51.5 39 58 48.5

01/10 46 61 53.5 47 57 52.0 37 58 47.5 38 62 50.0 35 65 50.0 36 66 51.0 39 63 51.0 40 62 51.0 47 58 52.5 49 53 51.0 45 57 51.0 38 56 47.0

01/11 46 52 49.0 50 55 52.5 38 60 49.0 37 65 51.0 38 64 51.0 39 62 50.5 43 59 51.0 40 57 48.5 43 53 48.0 38 55 46.5 35 58 46.5 39 61 50.0

01/12 50 54 52.0 51 60 55.5 40 66 53.0 37 65 51.0 38 61 49.5 42 58 50.0 38 58 48.0 39 55 47.0 44 55 49.5 39 58 48.5 37 59 48.0 38 56 47.0

01/13 44 64 54.0 40 67 53.5 39 66 52.5 41 58 49.5 43 57 50.0 39 58 48.5 43 56 49.5 36 53 44.5 39 57 48.0 37 56 46.5 36 55 45.5 39 56 47.5

01/14 39 75 57.0 38 70 54.0 41 64 52.5 44 57 50.5 39 59 49.0 43 53 48.0 35 52 43.5 32 51 41.5 43 49 46.0 39 52 45.5 38 55 46.5 39 54 46.5

01/15 37 62 49.5 40 60 50.0 43 58 50.5 40 58 49.0 43 55 49.0 36 52 44.0 31 50 40.5 36 52 44.0 49 54 51.5 46 56 51.0 44 60 52.0 40 61 50.5

01/16 40 55 47.5 49 59 54.0 42 60 51.0 44 55 49.5 36 51 43.5 32 49 40.5 33 50 41.5 38 52 45.0 37 59 48.0 44 54 49.0 43 58 50.5 38 58 48.0

01/17 49 62 55.5 52 61 56.5 45 55 50.0 35 51 43.0 31 55 43.0 34 48 41.0 37 54 45.5 36 53 44.5 42 56 49.0 42 56 49.0 40 59 49.5 38 65 51.5

01/18 51 60 55.5 52 54 53.0 36 49 42.5 31 52 41.5 32 48 40.0 38 53 45.5 37 55 46.0 38 54 46.0 40 52 46.0 37 58 47.5 38 61 49.5 42 62 52.0

01/19 44 53 48.5 37 49 43.0 29 53 41.0 31 48 39.5 38 53 45.5 36 51 43.5 39 55 47.0 33 52 42.5 40 50 45.0 45 55 50.0 45 58 51.5 42 65 53.5

01/20 36 55 45.5 32 54 43.0 34 46 40.0 43 53 48.0 38 55 46.5 45 55 50.0 34 53 43.5 32 53 42.5 40 59 49.5 42 62 52.0 42 61 51.5 42 56 49.0

01/21 31 58 44.5 36 49 42.5 39 51 45.0 36 54 45.0 39 53 46.0 35 49 42.0 31 54 42.5 35 57 46.0 38 63 50.5 40 64 52.0 41 60 50.5 37 60 48.5

01/22 35 47 41.0 41 51 46.0 33 54 43.5 39 51 45.0 34 49 41.5 30 52 41.0 32 53 42.5 35 59 47.0 42 59 50.5 41 59 50.0 40 60 50.0 39 63 51.0

01/23 41 51 46.0 35 54 44.5 39 49 44.0 34 47 40.5 31 50 40.5 31 55 43.0 35 60 47.5 37 57 47.0 42 63 52.5 44 63 53.5 42 65 53.5 44 68 56.0

01/24 35 54 44.5 48 51 49.5 34 47 40.5 32 50 41.0 33 52 42.5 36 61 48.5 35 59 47.0 34 58 46.0 42 60 51.0 40 64 52.0 40 65 52.5 43 63 53.0

01/25 39 52 45.5 33 47 40.0 32 49 40.5 33 53 43.0 37 63 50.0 38 62 50.0 34 58 46.0 33 59 46.0 41 65 53.0 42 70 56.0 44 68 56.0 44 66 55.0

01/26 33 49 41.0 40 50 45.0 34 52 43.0 37 65 51.0 37 62 49.5 37 61 49.0 34 63 48.5 36 64 50.0 43 71 57.0 43 68 55.5 44 65 54.5 42 65 53.5

01/27 40 50 45.0 43 55 49.0 38 66 52.0 41 66 53.5 40 67 53.5 38 64 51.0 39 68 53.5 40 68 54.0 43 70 56.5 41 69 55.0 45 67 56.0 44 67 55.5

01/28 42 56 49.0 42 67 54.5 41 66 53.5 39 67 53.0 38 66 52.0 40 69 54.5 42 71 56.5 44 68 56.0 46 72 59.0 47 66 56.5 43 68 55.5 41 67 54.0

01/29 35 74 54.5 43 65 54.0 39 66 52.5 37 67 52.0 40 71 55.5 43 72 57.5 45 72 58.5 45 71 58.0 47 74 60.5 45 74 59.5 47 71 59.0 46 71 58.5

01/30 42 65 53.5 38 65 51.5 37 66 51.5 41 70 55.5 44 73 58.5 45 76 60.5 47 74 60.5 47 74 60.5 47 73 60.0 46 72 59.0 47 72 59.5 45 68 56.5

01/31 37 68 52.5 37 66 51.5 42 71 56.5 43 75 59.0 46 75 60.5 47 77 62.0 47 75 61.0 47 74 60.5 50 76 63.0 50 74 62.0 47 72 59.5 46 69 57.5

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
3

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

TCD N/A Shasta Power Plant N/A BSF 56.0 06/01/17 - Current

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

34

40

46

52

58

64

70

47

48

49

50

51

52

53

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)
4

0

200

400

600

800

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

3000

3200

3400

3600

3800

4000

4200

4400

4600

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

Lake Shasta Isothermalbaths - 2018

(Water Temperature, in °F)

Total Daily Storage
5

01/01 53.0 53.4 51.8 52.1 51.4

01/02 52.6 52.8 52.0 52.2 51.1

01/03 52.6 52.7 52.2 52.4 51.5

01/04 52.1 52.3 52.3 52.5 51.9

01/05 52.1 52.4 52.4 52.6 52.5

01/06 53.0 53.3 52.6 52.8 52.5

01/07 52.0 52.1 52.5 52.7 51.2

01/08 51.4 51.6 52.3 52.5 51.5

01/09 52.2 52.6 52.2 52.4 51.5

01/10 51.5 51.6 52.0 52.3 51.3

01/11 51.5 51.7 52.0 52.2 51.4

01/12 52.5 52.7 52.0 52.2 51.9

01/13 52.5 52.9 51.9 52.2 51.2

01/14 52.4 52.4 52.0 52.2 51.1

01/15 51.3 51.4 52.0 52.2 51.0

01/16 51.9 52.2 51.9 52.1 51.5

01/17 51.7 52.1 52.0 52.2 52.1

01/18 51.5 51.7 52.0 52.2 51.8

01/19 51.7 51.8 51.9 52.1 50.2

01/20 51.9 52.0 51.8 51.9 49.3

01/21 50.7 50.6 51.5 51.7 49.0

01/22 50.8 51.0 51.5 51.6 48.6

01/23 51.0 51.3 51.3 51.5 49.4

01/24 50.5 50.6 51.2 51.3 49.8

01/25 50.9 50.9 51.1 51.2 47.9

01/26 50.8 51.0 50.9 51.1 48.6

01/27 50.9 51.2 50.8 50.9 49.6

01/28 51.9 52.4 51.0 51.2 49.8

01/29 51.3 51.9 51.0 51.3 50.4

01/30 51.9 52.4 51.2 51.5 50.4

01/31 51.4 51.8 51.3 51.7 50.2

Notes12

DAT

D

2

ATE SAC CCR SAC

7DADM

1 Daily Max

CCR

7DADM = 7-Day Average 

Daily Maximum

DAT = Daily Average 

Temperature

BSF

40

45

50

55

60

65

70

75

80

50

51

52

53

54

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

Air Temperature (°F)

Water Temperature (°F)

Daily Maximum

SAC CCR RDD (Air)

50

51

52

53

54

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

Water Temperature (°F)

7DADM