5/3/2013 Temperature and Release Summary for Shasta and Trinity - April 2013

(Updated twice a week November through April)

Sacramento River Water Temperatures in Degrees F

Day Collected from CDEC (California Data Exchange Center) in CFS

Control

TCD SHD minus Point Shasta Spring Crk 

Wt. TCD 3/1 to 4/30 Generation Powerplant 

Avg. (Diff) Shd Spp Kwk Bsf Jlf Bnd Rdb Lws Ccr Igo El 815 Release 

Mar 48.9 47.8 nd 48.4 50.9 51.1 52.0 52.8 48.8 49.4 47.3 4,042 95 

Apr

1 51.4 (1.5) 49.9 nd 50.8 53.4 54.1 54.4 55.6 51.8 51.8 48.7 5,522 80 

2 51.5 (1.4) 50.1 47.6 50.9 54.1 54.7 54.8 56.1 52.9 52.3 49.6 4,008 1,095 

3 51.7 (1.5) 50.2 48.3 50.9 54.2 55.4 55.7 57.1 52.5 52.0 49.6 4,867 80 4 51.1 (1.6) 49.5 47.7 51.1 53.8 55.0 55.5 56.3 52.3 51.7 49.5 4,338 768 5 50.9 (1.6) 49.3 48.4 ? 50.9 53.2 54.0 54.2 55.4 51.1 51.8 50.4 4,688 80 

6 50.2 (1.1) 49.1 48.3 50.5 54.4 55.2 55.2 56.0 52.4 51.6 50.1 4,692 80 

7 49.8 (1.2) 48.6 48.2 50.3 54.3 55.2 55.4 56.7 52.0 51.5 49.8 4,593 80 8 51.8 (1.7) 50.1 48.3 50.2 53.4 54.2 54.5 55.7 51.8 51.4 48.9 5,301 81 9 52.0 (1.5) 50.5 48.6 50.0 52.9 53.7 53.9 55.3 52.4 51.1 49.4 5,489 80 

10 52.2 (1.9) 50.3 48.5 51.3 54.0 54.9 55.0 56.3 51.8 52.4 50.0 5,217 80 11 52.5 (1.6) 50.9 48.7 52.0 54.7 55.7 56.0 57.2 50.9 53.3 50.0 4,744 80 12 52.9 (1.8) 51.1 48.7 52.0 55.0 55.9 56.2 57.6 50.9 53.6 49.8 5,063 80 13 52.2 (1.5) 50.7 48.8 52.7 55.4 56.5 56.7 58.0 50.7 54.1 50.1 4,593 80 14 52.6 (1.7) 50.9 48.9 52.6 55.3 56.2 56.5 57.5 49.2 53.8 50.6 4,441 80 15 52.9 (2.0) 50.9 48.9 52.2 54.5 55.3 55.5 56.5 48.6 53.0 49.9 4,760 80 16 52.9 (2.4) 50.5 48.9 52.1 53.5 54.1 54.4 55.4 49.4 53.0 49.8 4,718 80 17 52.9 (2.6) 50.3 48.9 52.2 54.0 54.7 54.7 55.4 49.7 53.4 50.0 5,704 80 18 53.1 (53.1) nr 49.1 52.5 55.0 55.7 55.9 56.6 50.0 53.8 50.4 4,795 83 

19 53.1 (53.1) nr 49.2 52.8 55.9 56.7 57.0 58.0 50.0 54.4 50.9 6,667 89 20 53.6 (2.3) 51.3 49.3 52.9 56.1 57.1 57.4 58.6 50.2 54.4 51.1 6,004 80 

21 53.7 (1.9) 51.8 49.3 53.1 56.4 57.4 57.7 59.1 48.8 54.6 51.5 6,377 80 22 53.0 (1.6) 51.4 49.4 53.5 56.7 57.9 58.2 59.6 48.6 54.9 51.7 7,254 80 23 53.0 (2.2) 50.8 49.5 53.1 56.1 57.0 57.3 58.9 48.8 54.6 51.4 7,000 87 24 53.0 (1.8) 51.2 49.6 52.4 55.5 56.5 56.9 59.0 48.6 53.8 51.4 8,691 81 25 52.9 (1.8) 51.1 49.7 52.4 55.0 56.0 56.2 58.2 48.6 53.6 51.5 9,066 80 26 53.0 (1.4) 51.6 49.7 52.5 55.2 56.3 56.5 58.3 48.7 53.6 52.0 11,226 80 27 52.9 (1.4) 51.5 49.7 52.5 55.5 56.6 56.9 58.9 48.9 53.9 52.2 9,651 80 28 53.6 (1.4) 52.2 49.8 52.5 55.3 56.5 56.9 59.1 48.2 53.7 52.2 10,500 81 29 52.6 (1.2) 51.4 49.9 53.1 55.6 56.7 57.0 59.0 48.5 54.1 52.1 10,170 80 30 52.0 (1.2) 50.8 49.9 52.2 55.5 56.4 56.7 58.0 48.5 53.8 51.8 10,893 81 

0.0

Avg 52.4 50.6 49.0 51.9 54.8 55.7 56.0 57.3 50.2 53.2 50.5 6,368 138 Tot cfs 191,032 4,126 Tot af 378,912 8,184 

# = Station out of service ^ - estimated (7 hours or less available) ? = Avg. includes estimated data! = 17 hours or less of readings & = 18 to 23 hours of reading ND = No hourly readings or incorrect 

Control Point: Balls Ferry 3/1/2013 to 4/30/2013.Note: On 4/1/2013 equipment at the temperature point for the Spring Creek Power Plant (SPP), was replaced.

V:\~WATER\_res_ops\Tempmodel\~sactemp\2013TempFiles\[04_2013 Monthly Summary.xls]Sac Riv Temps

Mean Daily Relea