Report Generated 07/09/2020 at 1346

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

May - 2019
Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Apr 14123 783 20556 62.2 63.5 -

05/01 52.3 50.8 50.0 52.6 53.5 54.2 56.3 57.6 58.2 59.0 52.5 46.6 - 4986 282 5450 60.5 59.0 61.5 -

05/02 52.1 50.8 50.5 52.9 53.6 54.1 56.0 57.5 58.1 58.9 52.9 46.7 - 4636 94 5438 63.5 61.5 62.8 -

05/03 51.9 50.7 50.3 53.0 53.8 54.4 56.6 58.2 58.7 59.4 53.1 47.2 - 5902 84 6233 65.5 62.8 64.6 -

05/04 51.9 51.1 50.3 52.7 53.3 53.9 56.1 57.9 58.6 59.4 53.4 47.2 - 6917 97 7847 68.0 64.6 65.8 -

05/05 52.4 51.6 50.4 52.4 53.1 53.7 55.9 57.7 58.3 59.1 53.6 47.5 - 8218 106 7997 67.5 64.5 64.5 -

05/06 52.1 51.2 49.9 52.7 53.3 53.8 56.0 57.8 58.3 59.1 53.8 47.8 - 7706 253 8014 64.0 62.4 62.1 -

05/07 52.0 51.2 50.2 52.6 53.3 53.9 56.2 58.1 58.7 59.4 54.0 48.0 - 7271 171 7999 67.0 63.9 63.1 -

05/08 51.7 ? 51.2 50.5 52.8 ? 53.5 54.2 56.3 58.3 ? 59.0 59.7 54.1 48.3 - 7323 95 8037 73.0 70.0 70.4 -

05/09 51.2 50.5 50.4 52.4 53.2 53.9 56.4 58.6 59.5 60.2 54.1 48.3 - 7767 104 8028 74.5 71.7 73.1 -

05/10 51.1 50.3 50.5 51.8 52.7 53.3 55.8 58.0 58.8 59.7 54.0 48.3 - 7798 103 7983 75.0 71.0 72.1 -

05/11 51.0 50.3 50.6 51.4 52.3 53.0 55.5 57.7 58.6 59.3 51.8 48.3 - 8192 95 8044 72.0 69.6 70.3 -

05/12 51.0 50.2 50.3 51.5 52.4 53.1 55.4 57.7 58.5 59.3 52.6 48.2 - 7385 147 7999 72.5 69.3 70.1 -

05/13 51.0 50.2 50.2 51.4 52.1 52.7 55.2 57.6 58.6 59.4 53.3 48.3 - 7122 362 7997 71.5 67.3 68.0 -

05/14 50.9 49.8 50.4 51.6 52.2 52.6 54.4 56.4 57.4 58.0 53.0 48.2 - 6302 1182 7718 66.0 63.5 65.7 -

05/15 51.3 50.6 50.2 51.0 51.6 51.8 53.5 55.4 56.3 56.6 52.7 47.7 - 7105 436 8054 61.0 60.0 59.5 -

05/16 51.8 50.9 50.2 50.9 51.3 51.6 52.9 54.2 ? 54.9 55.1 52.9 47.2 - 6292 1114 8219 58.0 55.9 56.6 -

05/17 52.6 51.4 50.5 51.3 51.7 52.0 53.1 54.3 # - 54.7 52.9 47.2 - 5380 2723 7968 59.0 56.9 57.6 -

05/18 52.0 50.8 50.5 51.5 51.6 51.7 52.6 53.8 # - 54.5 52.4 47.2 - 5529 1766 7981 53.0 51.5 51.8 -

05/19 52.5 51.9 50.7 52.0 52.7 53.0 53.9 54.4 # - 53.9 53.9 46.2 - 5979 1178 7972 55.5 53.5 53.4 -

05/20 52.1 51.1 50.8 52.2 52.6 52.9 54.7 55.9 # - 56.5 53.7 46.3 - 5387 1372 7976 60.0 57.8 57.4 -

05/21 51.7 51.2 51.0 52.5 53.0 53.2 54.2 55.4 # - 56.3 53.7 46.8 - 7326 270 7974 56.0 56.5 56.4 -

05/22 51.3 50.6 51.2 52.1 52.9 53.5 55.0 56.0 # - 56.4 54.6 47.0 - 6036 911 7765 64.0 61.4 62.9 -

05/23 51.7 50.8 51.3 52.0 52.8 53.5 55.5 57.1 ! - 58.0 55.8 47.5 - 6710 940 7976 71.0 68.6 70.5 -

05/24 50.7 49.9 51.2 52.1 52.9 53.6 55.9 57.8 58.4 58.9 55.7 47.9 - 6547 666 7980 66.5 65.9 67.3 -

05/25 50.4 49.8 51.3 51.8 52.8 53.5 56.0 58.0 58.7 59.4 55.6 48.3 - 7884 366 7985 66.0 64.2 66.9 -

05/26 50.2 49.4 51.3 50.9 51.7 52.1 55.1 56.8 57.6 58.2 55.1 47.8 - 6870 227 8083 57.5 55.5 55.3 -

05/27 50.5 49.8 51.6 50.6 51.5 51.9 54.7 56.3 56.9 57.5 55.5 48.1 - 7485 506 8000 64.0 61.0 60.7 -

05/28 50.4 49.7 51.6 50.8 51.7 52.3 54.9 56.9 57.5 58.2 56.5 48.1 - 6744 354 7948 71.0 68.8 70.0 -

05/29 50.6 49.9 52.1 51.2 52.0 52.8 55.6 57.9 ? 58.6 59.4 57.4 48.5 - 7637 830 7854 76.5 72.1 72.3 -

05/30 51.0 50.4 51.8 51.2 51.7 52.0 54.6 57.1 ! - 59.5 57.1 ? 49.0 - 10388 2428 12774 72.0 68.0 68.8 -

05/31 50.7 50.2 51.9 51.5 52.0 52.4 54.4 56.2 56.6 57.3 57.9 48.0 - 8754 3402 12998 75.0 72.1 73.4 -

May 6954 731 8074 63.6 64.4 -

215578 22664 250291

Legend Notes 427590 44953 496442

? = 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 4 IGO thermistor insulated by sand as evident by hourly data from 05/01 - 05/25.

 = Monthly Averages Daily averages from nearby US Fish & Wildlife temperature logger are being reported.

53.1

D

A

T

E

Mean Daily Water Temperatures (°F) Mean Daily 

Release (CFS)

50.8 49.8 52.9 -

TCD SAC CCR JLF 1 SHD SPP1 KWK BSF2

51.4 50.6 50.8 51.8 52.5

49.0 50.3 50.8 50.9 52.7 53.8

Mean Daily 

Air Temperatures (°F)

54.2 54.7

66.0

RDD

-

64.0

BND

55.1 58.0 58.1

Total AF

RDB

Total CFS

IGO ----- 4

54.2 47.7

LWS

49.4

56.9

3

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

05/01 49 74 61.5 43 78 60.5 50 81 65.5 53 85 69.0 55 86 70.5 56 79 67.5 55 81 68.0 56 86 71.0 59 87 73.0 58 90 74.0 57 85 71.0 57 84 70.5

05/02 43 78 60.5 45 81 63.0 53 83 68.0 54 84 69.0 56 82 69.0 55 80 67.5 54 87 70.5 59 89 74.0 60 88 74.0 57 90 73.5 58 89 73.5 59 89 74.0

05/03 45 82 63.5 48 83 65.5 51 85 68.0 54 84 69.0 54 80 67.0 56 87 71.5 58 89 73.5 60 90 75.0 60 87 73.5 59 89 74.0 57 88 72.5 59 86 72.5

05/04 47 84 65.5 50 86 68.0 55 85 70.0 54 81 67.5 56 87 71.5 58 90 74.0 61 91 76.0 59 91 75.0 58 86 72.0 56 83 69.5 58 82 70.0 58 85 71.5

05/05 50 86 68.0 51 83 67.0 55 79 67.0 56 84 70.0 57 89 73.0 60 90 75.0 59 93 76.0 59 91 75.0 61 90 75.5 59 89 74.0 57 83 70.0 54 84 69.0

05/06 50 85 67.5 51 81 66.0 55 85 70.0 57 91 74.0 60 91 75.5 59 93 76.0 58 93 75.5 60 91 75.5 61 87 74.0 57 85 71.0 55 80 67.5 54 83 68.5

05/07 50 78 64.0 53 85 69.0 56 91 73.5 62 90 76.0 59 92 75.5 58 93 75.5 58 91 74.5 59 89 74.0 59 90 74.5 58 90 74.0 59 89 74.0 57 85 71.0

05/08 52 82 67.0 56 90 73.0 62 90 76.0 60 91 75.5 57 91 74.0 59 90 74.5 59 88 73.5 58 84 71.0 54 75 64.5 53 72 62.5 53 76 64.5 55 81 68.0

05/09 53 93 73.0 57 90 73.5 59 91 75.0 56 90 73.0 59 89 74.0 59 88 73.5 57 83 70.0 55 80 67.5 50 75 62.5 50 73 61.5 51 81 66.0 54 80 67.0

05/10 57 92 74.5 57 92 74.5 57 91 74.0 59 90 74.5 58 88 73.0 57 85 71.0 56 80 68.0 55 76 65.5 54 82 68.0 54 83 68.5 54 85 69.5 56 84 70.0

05/11 57 93 75.0 55 91 73.0 58 90 74.0 58 88 73.0 57 85 71.0 56 78 67.0 54 73 63.5 52 77 64.5 53 82 67.5 53 81 67.0 54 79 66.5 54 83 68.5

05/12 55 89 72.0 57 88 72.5 57 87 72.0 56 79 67.5 56 72 64.0 53 69 61.0 50 73 61.5 50 75 62.5 52 72 62.0 51 76 63.5 53 77 65.0 53 83 68.0

05/13 57 88 72.5 62 84 73.0 56 76 66.0 55 69 62.0 52 67 59.5 50 70 60.0 48 70 59.0 48 72 60.0 48 74 61.0 52 72 62.0 53 76 64.5 54 81 67.5

05/14 61 82 71.5 61 76 68.5 55 67 61.0 52 63 57.5 47 68 57.5 49 64 56.5 47 67 57.0 46 68 57.0 50 79 64.5 59 80 69.5 55 83 69.0 60 89 74.5

05/15 57 75 66.0 61 65 63.0 51 63 57.0 48 70 59.0 50 62 56.0 48 67 57.5 44 69 56.5 47 73 60.0 49 78 63.5 57 83 70.0 58 86 72.0 61 90 75.5

05/16 57 65 61.0 53 59 56.0 47 67 57.0 50 60 55.0 48 66 57.0 46 70 58.0 48 71 59.5 46 73 59.5 49 75 62.0 53 80 66.5 55 82 68.5 56 86 71.0

05/17 52 64 58.0 51 67 59.0 50 59 54.5 46 60 53.0 44 63 53.5 48 69 58.5 47 77 62.0 51 78 64.5 61 91 76.0 59 85 72.0 57 87 72.0 59 90 74.5

05/18 51 67 59.0 50 59 54.5 46 63 54.5 44 68 56.0 46 67 56.5 47 75 61.0 52 79 65.5 53 82 67.5 59 89 74.0 59 90 74.5 60 91 75.5 62 91 76.5

05/19 49 57 53.0 48 63 55.5 44 69 56.5 47 65 56.0 45 75 60.0 50 77 63.5 52 79 65.5 54 78 66.0 57 83 70.0 57 85 71.0 59 87 73.0 61 89 75.0

05/20 48 63 55.5 51 68 59.5 48 63 55.5 46 76 61.0 52 78 65.0 53 78 65.5 54 76 65.0 54 79 66.5 57 83 70.0 59 83 71.0 57 81 69.0 58 85 71.5

05/21 51 69 60.0 51 63 57.0 46 77 61.5 53 80 66.5 53 80 66.5 54 74 64.0 52 74 63.0 54 77 65.5 58 88 73.0 61 89 75.0 61 88 74.5 62 90 76.0

05/22 51 61 56.0 47 78 62.5 55 83 69.0 55 78 66.5 55 72 63.5 52 73 62.5 54 76 65.0 55 83 69.0 61 91 76.0 61 91 76.0 61 93 77.0 63 93 78.0

05/23 47 81 64.0 61 83 72.0 56 80 68.0 55 75 65.0 54 69 61.5 52 75 63.5 55 84 69.5 57 87 72.0 61 91 76.0 62 92 77.0 62 91 76.5 60 90 75.0

05/24 59 83 71.0 55 80 67.5 54 77 65.5 53 68 60.5 51 72 61.5 54 83 68.5 57 87 72.0 59 87 73.0 63 92 77.5 62 92 77.0 63 92 77.5 61 91 76.0

05/25 54 79 66.5 53 79 66.0 51 69 60.0 50 76 63.0 54 85 69.5 57 84 70.5 58 85 71.5 60 87 73.5 64 93 78.5 63 91 77.0 63 90 76.5 61 93 77.0

05/26 53 79 66.0 50 69 59.5 51 76 63.5 54 86 70.0 58 87 72.5 59 84 71.5 59 87 73.0 60 88 74.0 62 89 75.5 59 84 71.5 57 88 72.5 62 91 76.5

05/27 49 66 57.5 56 74 65.0 53 86 69.5 59 87 73.0 59 86 72.5 60 90 75.0 61 94 77.5 63 92 77.5 65 95 80.0 64 99 81.5 65 98 81.5 65 97 81.0

05/28 56 72 64.0 55 84 69.5 61 87 74.0 59 85 72.0 60 89 74.5 62 91 76.5 64 93 78.5 65 95 80.0 68 102 85.0 68 100 84.0 66 94 80.0 63 93 78.0

05/29 54 88 71.0 61 88 74.5 61 86 73.5 60 91 75.5 64 94 79.0 64 93 78.5 65 96 80.5 65 98 81.5 66 99 82.5 64 98 81.0 63 93 78.0 61 92 76.5

05/30 61 92 76.5 58 86 72.0 59 91 75.0 63 94 78.5 64 93 78.5 65 96 80.5 65 98 81.5 66 95 80.5 66 95 80.5 63 92 77.5 62 90 76.0 62 92 77.0

05/31 58 86 72.0 58 90 74.0 64 94 79.0 64 92 78.0 64 95 79.5 65 98 81.5 66 95 80.5 63 88 75.5 65 95 80.0 64 95 79.5 64 94 79.0 65 94 79.5

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

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)

8 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

50

57

64

71

78

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 31

Air Temperature (°F)

Water Temperature (°F)

Mean Daily Temperatures

TCD KWK SAC CCR BSF RDD (Air)

3
05/01 55.3 57.0 55.7 57.0 56.3

05/02 55.4 57.0 55.7 57.0 56.0

05/03 55.7 57.5 55.6 57.1 56.6

05/04 54.8 56.3 55.5 57.0 56.1

05/05 54.5 56.0 55.3 56.8 55.9

05/06 54.5 56.1 55.1 56.7 56.0

05/07 54.4 56.1 54.9 56.6 56.2

05/08 55.2 56.5 54.9 56.5 56.3

05/09 54.4 56.2 54.8 56.4 56.4

05/10 53.6 55.3 54.5 56.1 55.8

05/11 53.3 55.0 54.3 55.9 55.5

05/12 53.5 55.4 54.1 55.8 55.4

05/13 52.9 54.3 53.9 55.5 55.2

05/14 52.7 53.7 53.7 55.2 54.4

05/15 51.9 52.1 53.2 54.6 53.5

05/16 51.6 52.5 52.8 54.0 52.9

05/17 52.4 53.4 52.6 53.8 53.1

05/18 51.8 52.1 52.4 53.4 52.6

05/19 53.7 55.1 52.4 53.3 53.9

05/20 53.4 54.6 52.5 53.4 54.7

05/21 53.6 54.7 52.6 53.5 54.2

05/22 54.0 56.0 52.9 54.1 55.0

05/23 53.9 55.7 53.3 54.5 55.5

05/24 53.9 55.6 53.5 54.8 55.9

05/25 54.1 56.0 53.8 55.4 56.0

05/26 52.6 54.0 53.6 55.2 55.1

05/27 52.2 53.7 53.5 55.1 54.7

05/28 52.6 54.4 53.3 55.1 54.9

05/29 53.2 55.0 53.2 54.9 55.6

05/30 52.1 53.1 53.0 54.5 54.6

05/31 52.6 53.9 52.8 54.3 54.4

Notes12

DAT

D

2

ATE SAC CCR SAC

7DADM

1 Daily Max

CCR

7DADM = 7-Day Average 

Daily Maximum

DAT = Daily Average 

Temperature

BSF

54

60

66

72

78

84

90

96

51

52

53

54

55

56

57

58

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

Air Temperature (°F)

Water Temperature (°F)

Daily Maximum

SAC CCR RDD (Air)

51

52

53

54

55

56

57

58

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

Water Temperature (°F)

7DADM

4
Latest Profile Date: 05/28/2019

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

5
Latest Profile Date: 05/20/2019

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

6
Latest Profile Date: 05/22/2019

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

7