10/17/2011 Temperature and Release Summary for Shasta and Trinity - September 2011

(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 6/1 to 9/30 Generation Powerplant 

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

Aug 50.8 49.9 57.7 51.2 54.3 55.4 56.2 57.7 51.4 52.7 57.5 10,060 1,213 

Sep

1 51.1 (0.9) ? 50.2 56.9 52.0 54.6 55.7 56.3 58.3 49.4 53.5 57.1 52.6 9,259 1,236 

2 51.0 (1.2) ? 49.8 56.9 51.7 54.6 55.7 56.3 58.2 49.8 53.4 57.0 53.8 9,222 1,164 3 51.2 (1.2) ? 50.0 56.9 51.5 54.2 55.3 56.0 57.8 50.1 53.0 57.2 55.1 8,164 1,252 4 51.3 (1.2) ? 50.1 56.8 51.6 54.2 55.3 56.0 57.6 50.1 53.0 57.1 55.5 9,439 1,237 5 51.2 (1.2) ? 50.0 56.8 51.7 54.2 55.2 55.9 57.5 50.3 53.0 57.2 55.4 9,435 1,239 6 51.3 (1.3) ? 50.0 56.7 51.7 54.3 55.3 55.9 57.3 50.2 53.1 57.1 55.4 9,338 1,233 7 51.3 (1.3) ? 50.0 56.7 51.6 54.2 55.2 55.8 57.3 50.2 53.0 57.0 55.1 9,709 1,140 8 51.5 (0.9) ? 50.6 56.7 51.8 54.2 55.2 55.9 57.3 50.3 53.1 57.4 55.2 9,603 1,159 9 51.4 (1.2) ? 50.2 56.7 52.0 54.7 55.7 56.3 57.6 50.3 53.5 58.0 55.4 9,052 1,344 

10 51.4 (1.2) ? 50.2 56.7 52.0 54.9 56.0 56.7 58.2 50.0 53.6 57.8 54.9 8,972 1,274 11 51.0 (1.0) ? 50.0 56.6 52.0 54.7 55.9 56.6 58.2 49.8 53.4 57.2 54.4 8,645 1,458 12 50.6 (1.1) 49.5 56.5 51.8 54.8 55.9 56.6 58.2 50.0 53.4 57.9 54.9 8,473 1,470 13 50.7 (1.3) ? 49.4 56.5 51.9 54.5 55.8 56.3 58.0 50.0 53.2 58.2 55.5 8,256 1,905 14 50.6 (1.4) ? 49.2 56.7 52.0 54.6 56.0 56.3 58.0 50.1 53.4 58.0 55.2 7,195 2,003 15 50.6 (1.0) ? 49.6 56.8 52.0 54.5 56.0 56.3 58.1 49.7 53.1 57.2 54.4 7,150 1,909 16 50.6 (1.2) ? 49.4 56.9 51.9 54.1 55.3 55.5 57.2 49.5 53.0 57.4 53.3 7,724 1,987 17 49.7 (0.9) ? 48.8 56.9 52.0 54.2 55.4 55.5 57.0 49.3 53.1 56.2 53.0 7,351 2,005 18 49.5 (1.0) ? 48.5 56.7 51.5 54.4 55.5 55.7 57.1 49.3 53.2 56.4 53.2 6,941 1,591 19 49.4 (0.9) 48.5 56.7 50.9 53.5 54.9 55.2 57.2 49.2 52.2 56.5 53.4 7,593 1,844 20 49.5 (1.0) ? 48.5 56.6 50.9 53.4 54.7 54.9 56.5 49.2 52.3 56.7 53.4 7,520 1,604 21 49.4 (0.9) ? 48.5 56.6 51.0 53.5 54.7 55.0 56.6 49.2 52.3 56.8 53.0 7,011 1,960 22 49.4 (0.9) ? 48.5 56.5 51.0 53.6 54.8 55.1 56.7 49.1 52.4 56.9 53.2 7,370 1,953 23 49.7 (0.9) ? 48.8 56.5 51.1 53.6 54.8 55.0 56.6 49.1 52.5 56.9 53.1 6,827 1,874 24 49.8 (1.2) ? 48.6 56.4 50.6 53.7 55.0 55.3 56.9 49.0 52.3 57.0 53.0 7,200 1,179 25 49.8 (1.3) ? 48.5 56.4 50.9 52.8 54.0 54.4 56.1 48.9 51.8 56.7 52.9 6,603 1,793 26 49.9 (1.4) 48.5 56.3 50.8 53.1 54.1 54.2 55.2 49.1 52.0 56.9 52.4 6,632 1,840 27 49.8 (1.2) 48.6 56.4 50.6 53.2 54.3 54.5 55.9 48.8 52.0 57.0 52.7 7,436 1,013 28 50.2 (1.1) ? 49.1 56.3 50.6 53.0 54.2 54.5 56.0 48.8 51.8 57.4 52.6 6,881 1,274 29 50.4 (1.4) ? 49.0 56.3 50.9 53.4 54.6 54.8 56.2 49.0 52.1 57.3 52.7 7,469 1,462 30 50.4 (1.2) ? 49.2 56.2 51.0 53.6 54.8 55.0 56.5 49.1 52.1 57.2 53.0 6,963 1,470 

0.0

Avg 50.5 49.3 56.6 51.4 54.0 55.2 55.6 57.2 49.6 52.8 57.2 7,981 1,529 Tot cfs 239,433 45,872 Tot af 474,915 90,987 

# = 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 3/1/2011 to 5/31/2011; Jelly's Ferry 6/1/2011 to 9/30/2011. 10/17/2011-Updated Shasta Generation fo

10/17/2011-Updated Keswick Total Releas

NOTE: On 7/19/2011 the probe for SHD was extended farther out into the river so at low flows 10/17/2011-Updated Spring Creek Powerp

 it should no longer be exposed to the air. 8/2/2011 the extended pipe floated away.  Some hourly readings for SHD are questionable again and are being estimated.

Mean Daily Relea