Report Generated 09/04/2018 at 0715

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

August - 2018
1

Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Jul 10557 1585 13046 81.2 81.5 76.5

08/01 52.3 52.1 # - 51.8 52.1 52.4 53.3 54.1 54.2 55.4 57.1 52.9 - 11702 - 12666 86.5 79.8 79.8 73.5

08/02 51.7 51.9 # - 52.4 52.8 53.3 54.7 55.8 56.0 57.2 57.1 53.1 - 12235 - 12272 85.5 79.0 77.4 74.1

08/03 51.9 51.9 # - 52.3 52.7 53.1 54.4 55.5 55.8 57.5 57.1 53.4 - 12115 - 12236 82.0 78.4 76.4 72.5

08/04 51.7 52.0 # - 52.4 52.8 53.2 54.4 55.4 55.7 57.2 57.0 53.8 - 11737 - 12237 80.5 77.0 77.3 70.3

08/05 51.9 52.2 # - 52.3 52.8 53.2 54.3 55.3 55.5 56.8 57.0 53.8 - 11678 - 11808 77.5 72.7 73.6 68.7

08/06 52.4 52.3 # - 52.7 53.1 53.5 54.6 55.5 55.7 56.8 57.2 54.1 - 11523 - 11579 81.5 75.4 76.6 71.1

08/07 52.4 52.0 # - 52.9 53.3 53.7 54.9 55.8 56.1 57.4 57.1 53.8 - 11778 - 11333 81.5 75.7 75.1 72.0

08/08 51.5 51.2 # - 52.7 53.2 53.7 55.2 56.3 56.5 57.9 57.4 53.5 - 10356 - 11333 83.0 76.4 76.6 71.5

08/09 52.1 51.2 # - 52.0 52.5 53.0 54.3 55.5 55.9 57.7 56.8 52.9 - 10510 - 11017 82.5 76.8 77.0 73.2

08/10 51.8 51.2 # - 52.3 52.8 53.3 54.5 55.5 55.7 57.2 57.0 52.3 - 9914 - 10840 86.0 79.8 81.4 75.4

08/11 52.3 51.4 # - 52.3 53.0 53.6 55.2 56.3 56.6 58.0 57.3 ? 52.3 - 10655 - 10588 83.5 79.0 78.8 75.9

08/12 52.4 51.4 # - 52.7 53.3 53.8 55.2 56.3 56.7 58.2 57.1 52.9 - 9963 - 10416 82.0 75.8 76.7 73.3

08/13 51.9 51.1 # - 52.6 53.2 53.7 55.3 56.5 56.9 58.5 56.8 53.3 - 10261 - 10410 81.5 75.3 75.5 73.0

08/14 51.9 50.9 # - 52.3 52.9 53.5 55.1 56.3 56.7 58.3 56.7 53.3 - 10347 - 10413 79.5 75.0 74.1 72.5

08/15 51.9 50.9 # - 52.2 52.7 53.2 54.9 56.1 56.5 58.2 57.2 53.0 - 9557 - 10138 82.0 75.5 73.9 73.5

08/16 ! - 50.8 # - 52.4 53.0 53.5 55.1 56.3 56.7 58.2 57.3 53.0 - 8988 - 9950 80.5 74.7 74.7 72.6

08/17 # - 50.8 # - 52.4 52.9 53.4 55.0 56.2 56.6 58.2 57.1 52.7 - 9743 - 9494 82.0 76.5 78.2 71.3

08/18 # - 50.5 # - 52.2 52.7 53.2 54.7 55.9 56.4 58.0 56.8 53.0 - 8673 - 9486 83.5 76.8 78.3 71.8

08/19 # - 50.9 # - 52.0 52.7 53.3 54.7 55.8 56.2 57.6 56.8 52.6 - 9621 - 9331 81.0 75.5 75.9 71.9

08/20 # - 50.9 # - 52.2 52.7 53.1 54.5 55.6 55.9 57.3 56.8 52.1 - 9518 - 9412 81.5 75.5 75.3 71.8

08/21 # - 50.7 # - 52.4 52.9 53.3 54.8 55.8 56.1 57.4 56.5 52.3 - 8671 - 9287 76.5 70.8 70.0 71.3

08/22 # - 50.9 # - 52.3 52.9 53.2 ? 54.7 55.7 56.2 57.7 55.2 52.5 - 8867 - 9140 76.5 70.6 71.0 70.5

08/23 ? 52.0 50.8 # - 52.6 53.2 53.6 55.1 56.0 56.5 57.7 56.7 52.2 - 8340 - 9162 75.5 70.3 70.2 69.8

08/24 51.8 50.6 # - 52.7 53.2 53.7 55.1 56.1 56.5 57.7 56.8 52.1 - 7570 - 9113 73.0 68.1 68.7 68.6

08/25 51.8 50.7 # - 52.6 53.1 53.6 55.0 56.0 56.4 57.4 58.3 52.1 - 7844 - 9037 74.5 69.5 70.4 68.2

08/26 52.4 51.0 # - 52.2 52.8 53.4 54.9 55.7 56.1 57.3 59.0 52.3 - 8552 - 8939 76.0 69.2 69.9 68.3

08/27 52.5 51.2 # - 52.4 53.0 53.4 54.8 55.7 56.2 57.4 59.1 52.5 - 9337 - 8982 74.5 69.1 69.3 68.4

08/28 52.5 51.3 # - 52.6 53.2 53.7 55.2 56.1 56.6 57.8 59.2 52.6 - 8995 - 9028 75.5 70.3 69.5 70.3

08/29 52.5 51.4 # - 52.7 53.4 54.0 55.6 56.6 57.2 58.4 59.8 52.7 - 8983 - 8916 75.5 71.6 71.3 70.5

08/30 51.4 50.5 # - 52.7 53.3 53.8 55.5 56.6 57.2 58.5 59.4 52.8 - 8566 - 8694 73.0 68.9 68.8 68.1

08/31 51.0 50.1 56.7 52.1 52.9 53.6 55.5 56.5 57.1 58.2 59.3 53.1 - 8507 14 8663 75.5 70.2 71.5 66.8

Aug 9842 14 10191 74.2 74.3 71.3

305106 14 315920

Legend Notes 605165 28 626614

? = 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 -----

57.4 52.9

LWS

53.7

55.9

Mean Daily 

Air Temperatures (°F)

55.9 57.8

79.7

RDD

-

86.8

BND

56.3 57.6

55.1 51.8 52.2 52.8 54.4 55.6

52.0 51.2 56.7 52.4 52.9 53.4

D

A

T

E

Mean Daily Water Temperatures (°F) Mean Daily 

Release (CFS)

50.9 50.4 58.3 -

TCD SAC CCR JLF 1 SHD SPP1 KWK BSF2 3
2

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

08/01 71 102 86.5 73 102 87.5 65 100 82.5 64 100 82.0 63 97 80.0 61 96 78.5 62 96 79.0 62 100 81.0 69 106 87.5 69 102 85.5 68 100 84.0 67 100 83.5

08/02 72 101 86.5 69 100 84.5 64 99 81.5 64 96 80.0 61 95 78.0 62 98 80.0 65 103 84.0 66 106 86.0 71 106 88.5 69 103 86.0 68 98 83.0 65 99 82.0

08/03 69 102 85.5 66 99 82.5 64 96 80.0 64 95 79.5 62 99 80.5 63 102 82.5 65 104 84.5 67 106 86.5 70 107 88.5 70 104 87.0 68 99 83.5 65 98 81.5

08/04 64 100 82.0 63 96 79.5 60 97 78.5 60 100 80.0 64 102 83.0 65 102 83.5 65 103 84.0 66 103 84.5 71 104 87.5 68 101 84.5 67 97 82.0 64 97 80.5

08/05 63 98 80.5 63 96 79.5 62 101 81.5 66 105 85.5 66 103 84.5 66 103 84.5 67 102 84.5 66 103 84.5 68 105 86.5 67 104 85.5 68 100 84.0 67 100 83.5

08/06 60 95 77.5 62 101 81.5 65 104 84.5 66 104 85.0 66 103 84.5 67 102 84.5 65 102 83.5 63 101 82.0 65 104 84.5 66 103 84.5 68 101 84.5 67 101 84.0

08/07 61 102 81.5 66 104 85.0 66 104 85.0 66 103 84.5 65 99 82.0 65 101 83.0 65 101 83.0 64 100 82.0 66 100 83.0 66 99 82.5 66 97 81.5 65 97 81.0

08/08 64 99 81.5 65 102 83.5 65 103 84.0 65 99 82.0 62 99 80.5 64 102 83.0 63 99 81.0 63 101 82.0 69 105 87.0 70 104 87.0 70 101 85.5 66 99 82.5

08/09 65 101 83.0 66 103 84.5 65 101 83.0 62 99 80.5 63 101 82.0 65 99 82.0 64 99 81.5 64 98 81.0 68 101 84.5 68 102 85.0 68 100 84.0 67 101 84.0

08/10 64 101 82.5 69 101 85.0 63 99 81.0 63 99 81.0 63 100 81.5 64 98 81.0 62 97 79.5 62 98 80.0 69 103 86.0 69 103 86.0 68 100 84.0 65 97 81.0

08/11 67 105 86.0 67 102 84.5 62 100 81.0 63 99 81.0 64 98 81.0 63 98 80.5 62 100 81.0 64 103 83.5 68 106 87.0 69 105 87.0 69 101 85.0 66 99 82.5

08/12 65 102 83.5 64 101 82.5 64 99 81.5 63 99 81.0 62 99 80.5 63 101 82.0 65 104 84.5 66 103 84.5 69 106 87.5 67 105 86.0 67 99 83.0 64 98 81.0

08/13 64 100 82.0 65 100 82.5 62 99 80.5 62 100 81.0 62 100 81.0 63 102 82.5 65 103 84.0 66 104 85.0 68 106 87.0 67 104 85.5 66 99 82.5 65 98 81.5

08/14 64 99 81.5 61 99 80.0 61 98 79.5 61 99 80.0 61 101 81.0 63 102 82.5 64 103 83.5 63 101 82.0 65 102 83.5 64 102 83.0 65 98 81.5 64 97 80.5

08/15 60 99 79.5 66 97 81.5 60 98 79.0 61 100 80.5 63 103 83.0 64 102 83.0 62 101 81.5 62 100 81.0 63 101 82.0 64 103 83.5 64 97 80.5 64 97 80.5

08/16 65 99 82.0 65 99 82.0 63 101 82.0 64 103 83.5 64 100 82.0 62 100 81.0 60 100 80.0 61 101 81.0 65 102 83.5 64 102 83.0 64 98 81.0 64 99 81.5

08/17 63 98 80.5 64 101 82.5 63 105 84.0 64 103 83.5 61 100 80.5 59 98 78.5 59 100 79.5 61 100 80.5 65 100 82.5 65 100 82.5 66 97 81.5 63 96 79.5

08/18 63 101 82.0 67 102 84.5 62 102 82.0 61 99 80.0 59 97 78.0 58 98 78.0 59 98 78.5 59 98 78.5 64 101 82.5 64 101 82.5 65 97 81.0 62 95 78.5

08/19 66 101 83.5 63 101 82.0 62 99 80.5 59 95 77.0 57 97 77.0 58 96 77.0 58 96 77.0 58 96 77.0 62 94 78.0 61 94 77.5 63 93 78.0 61 93 77.0

08/20 61 101 81.0 63 100 81.5 60 95 77.5 57 94 75.5 57 95 76.0 57 95 76.0 58 95 76.5 57 92 74.5 62 84 73.0 61 87 74.0 61 90 75.5 59 91 75.0

08/21 63 100 81.5 61 95 78.0 58 95 76.5 57 93 75.0 57 92 74.5 57 92 74.5 56 90 73.0 55 90 72.5 62 94 78.0 64 96 80.0 65 95 80.0 62 94 78.0

08/22 61 92 76.5 60 94 77.0 55 90 72.5 55 89 72.0 56 91 73.5 56 90 73.0 54 88 71.0 54 90 72.0 63 89 76.0 61 87 74.0 60 91 75.5 62 96 79.0

08/23 60 93 76.5 59 90 74.5 54 89 71.5 56 92 74.0 56 87 71.5 53 85 69.0 53 89 71.0 55 83 69.0 62 89 75.5 60 88 74.0 60 88 74.0 60 91 75.5

08/24 58 93 75.5 58 90 74.0 56 94 75.0 56 90 73.0 54 87 70.5 54 88 71.0 53 89 71.0 53 88 70.5 63 97 80.0 64 97 80.5 63 95 79.0 62 96 79.0

08/25 58 88 73.0 57 93 75.0 57 93 75.0 57 93 75.0 56 89 72.5 55 88 71.5 54 88 71.0 54 90 72.0 64 95 79.5 63 96 79.5 63 94 78.5 61 92 76.5

08/26 57 92 74.5 60 92 76.0 57 92 74.5 57 94 75.5 56 90 73.0 55 87 71.0 55 93 74.0 56 93 74.5 62 90 76.0 61 91 76.0 63 86 74.5 57 90 73.5

08/27 60 92 76.0 59 89 74.0 57 94 75.5 56 89 72.5 54 87 70.5 54 91 72.5 55 91 73.0 54 91 72.5 62 93 77.5 61 95 78.0 62 94 78.0 60 94 77.0

08/28 59 90 74.5 58 95 76.5 56 90 73.0 54 87 70.5 54 93 73.5 56 92 74.0 54 91 72.5 55 93 74.0 65 98 81.5 64 99 81.5 64 97 80.5 63 97 80.0

08/29 58 93 75.5 61 88 74.5 53 87 70.0 54 93 73.5 57 95 76.0 56 94 75.0 57 96 76.5 57 95 76.0 63 97 80.0 63 97 80.0 63 95 79.0 60 93 76.5

08/30 60 91 75.5 60 85 72.5 54 92 73.0 58 98 78.0 59 99 79.0 58 97 77.5 58 96 77.0 57 96 76.5 62 95 78.5 61 96 78.5 60 92 76.0 59 92 75.5

08/31 60 86 73.0 59 93 76.0 57 99 78.0 61 100 80.5 61 99 80.0 60 97 78.5 58 96 77.0 56 93 74.5 62 95 78.5 61 96 78.5 60 94 77.0 59 93 76.0

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

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 10 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 05/25/2018

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

62

66

70

74

78

82

86

90

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

08/01 53.1 54.0 52.4 53.2 53.3

08/02 53.3 54.2 52.4 53.2 54.7

08/03 53.5 54.4 52.4 53.2 54.4

08/04 53.6 54.5 52.6 53.4 54.4

08/05 53.8 54.5 52.7 53.6 54.3

08/06 54.3 55.2 53.3 54.1 54.6

08/07 54.5 55.3 53.7 54.6 54.9

08/08 54.4 55.5 53.9 54.8 55.2

08/09 53.5 54.3 53.9 54.8 54.3

08/10 54.3 55.2 54.1 54.9 54.5

08/11 54.4 55.5 54.2 55.1 55.2

08/12 54.9 56.0 54.3 55.3 55.2

08/13 54.7 55.8 54.4 55.4 55.3

08/14 54.3 55.2 54.4 55.4 55.1

08/15 54.2 55.2 54.3 55.3 54.9

08/16 54.1 55.0 54.4 55.4 55.1

08/17 53.9 54.7 54.4 55.3 55.0

08/18 53.7 54.4 54.3 55.2 54.7

08/19 53.8 54.7 54.1 55.0 54.7

08/20 54.2 54.9 54.0 54.9 54.5

08/21 54.0 54.7 54.0 54.8 54.8

08/22 54.1 54.7 54.0 54.7 54.7

08/23 54.3 55.1 54.0 54.7 55.1

08/24 54.4 54.9 54.1 54.8 55.1

08/25 53.9 54.1 54.1 54.7 55.0

08/26 53.6 54.6 54.1 54.7 54.9

08/27 54.2 55.0 54.1 54.7 54.8

08/28 54.8 55.6 54.2 54.9 55.2

08/29 54.9 55.9 54.3 55.0 55.6

08/30 54.7 55.8 54.4 55.1 55.5

08/31 54.0 55.3 54.3 55.2 55.5

Notes12

DAT

D

2

ATE SAC CCR SAC

7DADM

1 Daily Max

CCR

7DADM = 7-Day Average 

Daily Maximum

DAT = Daily Average 

Temperature

BSF

80

85

90

95

100

105

110

51

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)

51

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: 08/28/2018

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: 08/30/2018

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: 08/21/2018

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