8/7/2012 Temperature and Release Summary for Shasta and Trinity - July 2012

(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 Control

TCD SHD minus Point Point Shasta Spring Crk 

Wt. TCD 4/16 to 5/31 6/1 to 7/31 Generation Powerplant 

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

Jun 50.2 49.1 51.4 50.5 53.4 54.8 55.4 56.9 48.8 51.8 54.2 10,605 810 

Jul

1 50.0 (1.1) 48.9 53.3 50.5 53.5 55.2 55.9 57.8 49.4 51.9 57.4 12,614 1,086 

2 50.0 (1.1) 48.9 53.3 50.6 53.1 54.6 55.1 56.8 49.6 51.7 57.7 12,307 1,561 3 50.0 (1.0) 49.0 53.6 50.5 53.1 54.5 55.0 56.8 49.7 51.7 57.6 12,663 1,206 4 50.0 (1.0) 49.0 53.7 50.7 53.1 54.4 54.6 56.4 49.9 51.8 59.4 12,307 1,418 5 50.1 (1.0) 49.1 54.0 50.6 53.2 54.5 54.7 56.6 49.9 51.8 59.9 12,591 1,592 6 50.3 (1.0) 49.3 54.2 50.6 52.9 54.2 54.5 56.3 49.9 51.6 59.7 12,755 860 7 50.1 (0.9) 49.2 54.2 50.9 53.1 54.3 54.5 56.1 49.8 51.9 59.5 12,915 1,430 8 50.4 (1.0) 49.4 54.4 50.8 53.2 54.4 54.7 56.5 49.9 51.9 59.8 12,853 1,290 9 50.4 (1.0) 49.4 54.5 51.1 53.3 54.5 54.7 56.4 49.8 52.1 59.8 12,546 1,600 

10 50.3 (0.9) 49.4 54.7 50.9 53.3 54.4 54.7 56.5 50.0 52.0 59.5 12,744 1,253 11 50.3 (0.8) 49.5 54.7 50.9 53.3 54.3 54.8 56.4 50.0 52.0 59.7 12,830 1,180 12 50.4 (0.9) 49.5 54.9 51.0 53.4 54.4 54.9 56.5 50.1 52.2 59.2 12,882 1,185 13 50.5 (0.9) 49.6 55.0 51.1 53.5 54.5 55.1 56.9 50.3 52.2 57.3 12,809 1,238 14 50.5 (0.9) 49.6 55.0 51.3 53.5 54.5 55.0 56.8 50.5 52.3 56.8 12,142 1,634 15 50.7 (1.0) 49.7 55.2 51.3 53.6 54.6 55.0 56.8 50.5 52.4 57.0 12,353 1,611 16 50.8 (0.9) 49.9 55.3 51.3 53.7 54.7 55.2 57.0 50.6 52.4 57.0 13,070 1,187 17 51.0 (1.0) 50.0 55.5 51.2 53.0 53.9 54.4 56.2 50.0 52.1 55.6 12,860 1,230 18 51.0 (0.9) 50.1 55.6 51.4 53.2 54.0 54.4 55.8 49.9 52.2 56.5 12,857 1,227 19 51.0 (1.0) 50.0 55.6 51.6 53.8 54.7 55.1 56.5 49.8 52.6 56.9 12,404 1,269 20 51.3 (1.0) 50.3 55.7 51.6 53.8 54.6 55.1 56.7 50.3 52.6 57.2 12,829 1,266 

21 51 3 50 3 55 7 51 9 54 1 55 0 55 4 56 9 50 8 52 9 57 8 12 952 1 237 

Mean Daily Relea

21 51.3 (1.0) 50.3 55.7 51.9 54.1 55.0 55.4 56.9 50.8 52.9 57.8 12,952 1,237 

22 51.4 (1.1) 50.3 55.7 52.1 54.3 55.3 55.7 57.4 51.3 53.1 57.9 12,384 1,550 23 51.0 (0.8) 50.2 55.9 52.2 54.5 55.5 56.0 57.8 51.6 53.3 58.1 12,442 1,553 24 50.7 (0.7) 50.0 56.0 51.6 54.4 55.5 56.1 58.0 52.0 53.0 56.3 12,646 1,188 25 50.9 (0.7) 50.2 56.0 51.4 53.5 54.5 55.0 57.0 52.7 52.4 55.4 12,924 1,213 26 50.8 (0.8) 50.0 56.1 51.7 53.8 54.6 55.0 56.7 52.9 52.6 55.7 12,468 1,597 27 51.0 (0.8) 50.2 56.1 51.6 53.8 54.7 55.2 56.9 52.7 52.6 56.3 12,516 1,605 28 51.2 (0.8) 50.4 56.2 51.6 53.8 54.7 55.2 56.8 53.0 52.6 56.9 12,756 1,219 29 51.4 (0.9) 50.5 56.2 51.8 53.9 54.8 55.2 56.8 53.0 52.8 57.4 13,081 1,204 30 51.5 (0.9) 50.6 56.3 52.1 54.2 55.1 55.5 57.1 52.9 53.0 57.8 12,644 1,525 31 51.6 (0.8) 50.8 56.4 52.1 54.3 55.2 55.7 57.4 53.0 53.1 57.9 12,836 1,250 

Avg 50.7 49.8 55.1 51.3 53.6 54.6 55.1 56.8 50.8 52.3 57.8 12,677 1,338 Tot cfs 392,980 41,464 Tot af 779,476 82,244 

# = 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 4/16/2012 to 5/31/2012; Jellys Ferry 6/1/2012 to 7/31/2012.

V:\~WATER\_res_ops\Tempmodel\~sactemp\2012TempFiles\2012 Monthly Summaries\[06_2012 Monthly Summary.xls]Sac Riv Temps