Report Generated 06/05/2018 at 0718

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 - 2018
1

Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Apr 3423 137 3836 58.2 59.7 51.9

05/01 50.6 49.6 49.7 50.9 51.4 52.0 53.9 55.3 55.7 57.0 51.9 49.9 - 6228 30 6924 66.5 63.9 64.5 52.6

05/02 50.4 49.5 49.6 51.0 51.5 52.2 54.4 55.8 56.1 57.2 52.2 50.3 - 6674 21 7099 68.5 64.5 65.5 57.4

05/03 50.3 49.5 49.8 51.0 51.6 52.3 54.7 56.2 56.5 57.8 52.5 50.4 - 6705 14 7094 65.0 63.0 64.1 60.2

05/04 50.6 49.7 49.9 50.9 51.5 52.3 54.7 56.4 ? 56.9 ? 58.3 52.8 50.3 - 8065 14 7095 69.0 66.6 67.4 61.8

05/05 50.5 49.6 49.3 50.9 51.3 51.9 54.1 55.8 56.4 ? 57.9 52.5 50.3 - 7222 98 7839 71.5 66.3 68.0 62.8

05/06 50.5 49.7 50.0 50.9 51.4 52.2 54.5 56.0 56.3 57.3 53.0 50.8 - 7277 14 7841 69.0 64.8 64.7 63.2

05/07 51.2 50.2 50.0 51.1 51.7 52.4 54.6 56.3 56.7 ? 58.1 52.9 50.6 - 7669 14 8085 69.5 67.8 69.7 62.5

05/08 51.7 50.8 49.3 51.4 51.9 52.5 54.8 56.6 57.1 58.5 53.2 50.8 - 8886 185 8339 71.5 68.7 71.2 62.8

05/09 51.6 50.6 49.9 52.0 52.5 53.2 55.4 57.1 57.6 58.9 53.3 51.1 - 8018 43 8334 70.5 69.4 69.3 64.0

05/10 51.8 50.7 50.0 52.1 52.6 53.2 55.3 56.9 57.4 58.8 52.7 50.9 - 7898 16 8358 68.5 67.4 69.8 58.7

05/11 51.2 50.3 49.5 52.0 52.6 53.2 55.0 56.4 56.9 57.9 52.8 51.0 - 8253 105 8357 70.0 68.8 69.6 57.3

05/12 50.7 49.8 50.4 51.8 52.5 53.2 55.3 56.7 57.1 58.2 52.9 51.4 - 7961 14 8664 71.0 68.3 71.3 59.2

05/13 50.7 49.7 50.2 51.3 52.0 52.7 55.0 56.6 57.1 58.6 53.3 50.9 - 7856 19 8636 69.0 65.9 67.3 62.5

05/14 50.9 50.0 50.3 51.2 51.8 52.5 54.8 56.6 57.2 58.7 53.6 50.9 - 8434 14 8633 71.0 68.3 68.7 64.3

05/15 50.9 50.0 50.3 51.4 52.0 52.7 55.0 56.8 57.3 58.8 53.9 50.9 - 8173 14 8634 69.5 65.9 66.3 60.0

05/16 51.1 ? 50.2 50.3 51.3 51.7 52.3 54.5 56.2 56.8 58.2 53.1 50.8 - 9386 14 9168 65.5 62.3 62.5 59.1

05/17 52.0 50.9 50.3 51.1 51.7 52.3 54.4 55.9 56.3 57.6 53.8 50.8 - 9960 14 9390 73.0 69.5 70.3 63.0

05/18 52.4 51.5 50.4 52.1 52.5 53.0 54.9 56.6 57.0 58.4 53.9 50.7 - 8980 14 9283 75.5 71.5 73.4 64.1

05/19 52.2 51.2 50.4 52.9 53.4 54.0 55.9 57.5 57.9 59.1 53.9 50.8 - 8713 14 9243 71.5 69.6 70.4 61.8

05/20 51.4 50.6 50.5 52.7 53.3 53.9 56.0 57.7 58.2 59.5 54.1 50.9 - 9223 14 9288 70.0 66.3 65.1 60.6

05/21 51.2 50.3 50.5 52.1 52.9 53.7 55.8 57.4 57.9 59.4 54.1 51.1 - 9637 14 9472 73.5 71.9 72.3 62.7

05/22 51.0 ? 50.1 50.6 51.7 52.4 53.1 55.4 57.2 57.8 59.6 54.5 51.3 - 8960 14 9498 74.5 70.9 70.5 65.3

05/23 51.2 ? 50.1 50.6 51.7 52.3 53.0 55.4 57.2 57.8 59.3 54.2 51.2 - 8651 14 9502 73.0 69.6 67.9 67.1

05/24 51.2 50.3 50.5 51.5 52.1 52.7 54.8 56.6 57.2 58.8 54.1 51.3 - 8912 14 9496 72.0 69.0 68.3 67.6

05/25 51.2 50.4 50.5 51.4 51.6 52.0 53.2 54.6 55.2 56.6 52.1 50.8 - 9466 14 9551 60.5 56.9 56.8 54.3

05/26 51.2 50.2 50.5 51.1 51.7 52.2 53.9 54.9 55.0 55.4 54.0 50.8 - 9006 14 9499 66.5 63.4 63.0 59.2

05/27 51.3 50.4 50.5 51.6 52.2 52.8 54.9 56.4 56.8 57.9 54.6 50.5 - 8833 14 9452 74.5 70.8 73.3 62.8

05/28 51.2 50.2 50.7 51.9 52.6 53.3 55.5 57.3 57.9 59.3 55.1 51.0 - 8848 14 9410 82.0 77.5 81.0 68.1

05/29 51.2 50.2 50.7 51.8 52.5 53.2 55.6 57.5 58.1 59.9 55.3 51.3 - 9101 14 9409 81.5 76.3 80.0 67.6

05/30 51.2 50.3 50.8 51.8 52.4 53.1 55.4 57.2 57.8 59.5 55.2 51.5 - 9031 14 9403 72.0 68.7 69.8 64.8

05/31 51.6 50.4 50.7 51.7 52.2 52.8 54.7 56.4 57.0 58.5 53.4 51.5 - 9064 14 8917 64.5 62.3 61.1 56.2

May 8422 27 8707 67.6 68.5 61.7

261090 839 269913

Legend Notes 517861 1664 535361

? = 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

54.9

Total AF

RDB

Total CFS

IGO -----

53.5 50.9

LWS

50.4

56.5

Mean Daily 

Air Temperatures (°F)

56.1 57.1

70.6

RDD

-

59.5

BND

57.0 58.4

49.0 51.5 52.1 53.0 54.8 55.8

51.2 50.2 50.2 51.6 52.1 52.8

D

A

T

E

Mean Daily Water Temperatures (°F) Mean Daily 

Release (CFS)

51.0 50.1 50.7 -

TCD SAC CCR JLF 1 SHD SPP1 KWK BSF2 3
2

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

05/01 46 74 60.0 55 80 67.5 50 84 67.0 51 84 67.5 53 83 68.0 57 84 70.5 52 83 67.5 54 89 71.5 60 92 76.0 59 92 75.5 59 88 73.5 57 82 69.5

05/02 54 79 66.5 54 84 69.0 51 84 67.5 53 84 68.5 55 84 69.5 53 87 70.0 54 90 72.0 56 88 72.0 54 85 69.5 56 87 71.5 54 85 69.5 58 86 72.0

05/03 54 83 68.5 49 83 66.0 55 84 69.5 57 83 70.0 55 83 69.0 54 90 72.0 56 87 71.5 56 84 70.0 58 86 72.0 55 81 68.0 53 78 65.5 55 77 66.0

05/04 49 81 65.0 52 83 67.5 57 83 70.0 54 83 68.5 54 90 72.0 58 86 72.0 55 80 67.5 53 85 69.0 58 88 73.0 56 85 70.5 54 80 67.0 53 81 67.0

05/05 54 84 69.0 59 82 70.5 54 83 68.5 54 89 71.5 57 89 73.0 55 81 68.0 53 86 69.5 55 88 71.5 61 95 78.0 61 96 78.5 59 89 74.0 55 78 66.5

05/06 58 85 71.5 59 90 74.5 58 86 72.0 55 84 69.5 54 88 71.0 55 91 73.0 57 94 75.5 59 93 76.0 63 92 77.5 59 91 75.0 58 90 74.0 60 90 75.0

05/07 57 81 69.0 54 86 70.0 55 81 68.0 53 87 70.0 55 87 71.0 56 93 74.5 59 95 77.0 60 95 77.5 59 94 76.5 60 92 76.0 60 90 75.0 60 90 75.0

05/08 51 88 69.5 56 81 68.5 53 85 69.0 54 86 70.0 56 91 73.5 56 90 73.0 57 90 73.5 57 85 71.0 59 87 73.0 58 87 72.5 57 86 71.5 59 88 73.5

05/09 55 88 71.5 54 83 68.5 52 84 68.0 53 82 67.5 53 86 69.5 55 83 69.0 54 84 69.0 55 84 69.5 56 85 70.5 54 88 71.0 58 90 74.0 59 88 73.5

05/10 58 83 70.5 54 84 69.0 54 82 68.0 55 86 70.5 54 85 69.5 55 84 69.5 54 83 68.5 52 81 66.5 55 80 67.5 55 85 70.0 59 89 74.0 60 91 75.5

05/11 52 85 68.5 60 81 70.5 54 86 70.0 54 84 69.0 55 85 70.0 54 83 68.5 53 80 66.5 52 76 64.0 58 83 70.5 57 82 69.5 57 86 71.5 59 87 73.0

05/12 60 80 70.0 59 86 72.5 54 83 68.5 55 83 69.0 55 82 68.5 52 79 65.5 52 80 66.0 54 82 68.0 63 90 76.5 62 91 76.5 60 91 75.5 62 92 77.0

05/13 57 85 71.0 56 84 70.0 55 85 70.0 55 81 68.0 54 79 66.5 53 79 66.0 55 84 69.5 59 85 72.0 61 88 74.5 59 87 73.0 59 83 71.0 55 80 67.5

05/14 55 83 69.0 56 86 71.0 55 80 67.5 53 75 64.0 53 82 67.5 55 83 69.0 56 87 71.5 57 83 70.0 59 87 73.0 58 91 74.5 60 89 74.5 59 83 71.0

05/15 55 87 71.0 58 79 68.5 53 76 64.5 53 81 67.0 54 87 70.5 55 84 69.5 57 83 70.0 57 86 71.5 65 94 79.5 63 92 77.5 62 90 76.0 62 92 77.0

05/16 58 81 69.5 59 75 67.0 54 80 67.0 53 87 70.0 55 87 71.0 56 83 69.5 56 82 69.0 57 84 70.5 60 89 74.5 60 92 76.0 62 94 78.0 61 91 76.0

05/17 58 73 65.5 61 82 71.5 54 87 70.5 56 87 71.5 57 82 69.5 55 84 69.5 57 83 70.0 59 83 71.0 62 90 76.0 62 89 75.5 61 91 76.0 62 92 77.0

05/18 61 85 73.0 60 87 73.5 56 86 71.0 54 81 67.5 56 85 70.5 59 85 72.0 57 86 71.5 59 89 74.0 65 96 80.5 66 95 80.5 64 93 78.5 65 95 80.0

05/19 60 91 75.5 59 85 72.0 56 82 69.0 54 90 72.0 59 89 74.0 60 86 73.0 59 88 73.5 60 88 74.0 66 100 83.0 65 97 81.0 65 94 79.5 66 97 81.5

05/20 56 87 71.5 58 81 69.5 54 90 72.0 58 89 73.5 57 85 71.0 56 87 71.5 57 85 71.0 57 84 70.5 59 91 75.0 61 95 78.0 62 94 78.0 63 94 78.5

05/21 58 82 70.0 54 90 72.0 58 88 73.0 57 83 70.0 56 87 71.5 58 80 69.0 54 81 67.5 54 82 68.0 59 89 74.0 60 91 75.5 59 87 73.0 59 90 74.5

05/22 54 93 73.5 61 87 74.0 58 82 70.0 56 79 67.5 55 74 64.5 53 80 66.5 55 88 71.5 57 94 75.5 67 96 81.5 63 95 79.0 61 90 75.5 61 91 76.0

05/23 60 89 74.5 62 81 71.5 54 78 66.0 54 72 63.0 53 81 67.0 54 91 72.5 60 94 77.0 61 93 77.0 65 92 78.5 62 91 76.5 61 91 76.0 62 92 77.0

05/24 62 84 73.0 51 82 66.5 54 67 60.5 52 81 66.5 53 90 71.5 58 97 77.5 62 95 78.5 61 88 74.5 62 92 77.0 60 92 76.0 62 92 77.0 63 93 78.0

05/25 56 88 72.0 47 62 54.5 52 79 65.5 53 92 72.5 59 96 77.5 62 95 78.5 59 86 72.5 55 84 69.5 58 88 73.0 59 90 74.5 60 92 76.0 61 91 76.0

05/26 55 66 60.5 57 78 67.5 53 91 72.0 61 97 79.0 62 94 78.0 58 86 72.0 55 81 68.0 54 84 69.0 59 93 76.0 63 97 80.0 63 96 79.5 64 96 80.0

05/27 55 78 66.5 59 92 75.5 63 97 80.0 64 94 79.0 58 85 71.5 54 74 64.0 53 80 66.5 53 86 69.5 61 94 77.5 63 96 79.5 63 94 78.5 64 94 79.0

05/28 57 92 74.5 67 98 82.5 64 95 79.5 61 85 73.0 55 75 65.0 52 83 67.5 54 87 70.5 56 85 70.5 59 88 73.5 62 93 77.5 62 91 76.5 60 87 73.5

05/29 66 98 82.0 65 95 80.0 59 84 71.5 54 75 64.5 52 86 69.0 57 89 73.0 55 89 72.0 56 86 71.0 64 95 79.5 60 87 73.5 61 86 73.5 61 90 75.5

05/30 65 98 81.5 61 83 72.0 53 75 64.0 52 88 70.0 58 98 78.0 62 96 79.0 56 89 72.5 57 87 72.0 63 95 79.0 62 95 78.5 63 93 78.0 63 94 78.5

05/31 59 85 72.0 56 75 65.5 51 87 69.0 59 97 78.0 63 96 79.5 60 86 73.0 56 85 70.5 56 84 70.0 60 91 75.5 61 92 76.5 62 92 77.0 62 92 77.0

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

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) Begin Date

TCD N/A Shasta Power Plant N/A BSF 56.0 06/01/2017

SHD Sacramento River 0.3 miles downstream of Shasta Power Plant Click Here BSF 56.0 05/25/2018

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

55

60

65

70

75

80

85

50

51

52

53

54

55

56

57

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

05/01 53.1 54.2 53.2 54.4 53.9

05/02 53.1 54.6 53.0 54.2 54.4

05/03 53.2 54.6 52.9 54.1 54.7

05/04 53.0 54.5 52.9 54.1 54.7

05/05 52.6 53.4 53.0 54.2 54.1

05/06 52.8 54.4 52.9 54.3 54.5

05/07 53.3 54.7 53.0 54.3 54.6

05/08 53.4 54.6 53.1 54.4 54.8

05/09 53.9 55.4 53.2 54.5 55.4

05/10 53.7 54.8 53.2 54.5 55.3

05/11 53.8 55.0 53.4 54.6 55.0

05/12 53.7 55.0 53.5 54.8 55.3

05/13 53.4 54.7 53.6 54.9 55.0

05/14 53.3 54.6 53.6 54.9 54.8

05/15 53.4 54.9 53.6 54.9 55.0

05/16 52.5 53.7 53.4 54.7 54.5

05/17 52.8 54.0 53.3 54.6 54.4

05/18 53.7 54.9 53.3 54.5 54.9

05/19 54.8 56.2 53.4 54.7 55.9

05/20 54.1 55.5 53.5 54.8 56.0

05/21 53.9 55.3 53.6 54.9 55.8

05/22 53.8 55.0 53.7 54.9 55.4

05/23 53.6 54.8 53.8 55.1 55.4

05/24 53.2 54.5 53.9 55.2 54.8

05/25 51.9 52.3 53.6 54.8 53.2

05/26 52.9 54.2 53.3 54.5 53.9

05/27 53.6 54.8 53.3 54.4 54.9

05/28 54.0 55.3 53.3 54.4 55.5

05/29 53.7 55.0 53.3 54.4 55.6

05/30 53.7 55.0 53.3 54.4 55.4

05/31 53.1 54.1 53.3 54.4 54.7

Notes12

DAT

D

2

ATE SAC CCR SAC

7DADM

1 Daily Max

CCR

7DADM = 7-Day Average 

Daily Maximum

DAT = Daily Average 

Temperature

BSF

63

70

77

84

91

98

52

53

54

55

56

57

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

Air Temperature (°F)

Water Temperature (°F)

Daily Maximum

SAC CCR RDD (Air)

52

53

54

55

56

57

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

Water Temperature (°F)

7DADM
5

Latest Profile Date: 05/30/2018

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 - 2018

(Water Temperature, in °F)

Total Daily Storage
6

Latest Profile Date: 05/03/2018

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 - 2018

(Water Temperature, in °F)

Total Daily Storage
7

Latest Profile Date: 05/02/2018

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 - 2018

(Water Temperature, in °F)

Total Daily Storage