05/11/09 U.S. Bureau of Reclamation - Central Valley Operations Office Delta Outflow Computation (values in c.f.s.) Preliminary Data - Subject to Change May 2009 Estimated numbers are in bold print DELTA INFLOW DELTA EXPORTS OUTFLOW INDEX EXPORT/INFLOW Sacto R Yolo + East Side S. Joaquin Riv Total Clifton Contra Byron Total 3-day @Freeport SRTP Misc Streams 7-day Monthly Delta Court Tracy Costa Bethany NBA Delta Avg NDOI 7-day Monthly Daily 3 Day 14 Day Date prev dy prev wk prev dy prev dy prev dy Avg Avg Inflow NDCU (CLT) (TRA) (CCC) (BBID) Exports TRA & CLT daily Avg Avg (%) (%) (%) 05/01/09 12,525 220 15 707 1,945 2,011 2,018 15,412 2,000 994 923 172 98 63 2,053 1,772 11,359 11,024 11,359 11.8% 10.9% 11.7% 05/02/09 12,340 220 15 758 2,018 2,043 2,102 15,351 -739 997 1,018 164 50 76 2,205 1,876 13,884 11,656 12,621 12.8% 11.7% 12.5% 05/03/09 13,263 220 29 1,647 2,186 2,083 2,174 17,345 -917 989 1,022 154 50 70 2,185 1,981 16,077 12,481 13,773 11.3% 11.9% 13.1% 05/04/09 13,988 220 39 2,039 2,318 2,120 2,214 18,604 -1,095 1,090 1,012 136 35 72 2,275 2,043 17,424 13,347 14,686 11.1% 11.7% 13.4% 05/05/09 16,244 220 43 2,365 2,332 2,163 2,239 21,204 -1,095 1,297 1,018 142 35 67 2,489 2,143 19,810 14,560 15,711 10.8% 11.0% 13.6% 05/06/09 20,520 220 38 2,339 2,342 2,209 2,253 25,459 -1,323 1,291 1,021 170 43 68 2,507 2,243 24,276 16,352 17,138 8.9% 10.1% 13.6% 05/07/09 27,708 220 86 2,330 2,324 2,261 2,261 32,668 1,465 1,295 1,015 164 54 67 2,486 2,312 28,717 18,792 18,792 6.9% 8.6% 12.9% 05/08/09 27,919 220 61 1,931 2,308 2,301 2,266 32,439 1,694 1,292 957 157 66 70 2,410 2,290 28,336 21,218 19,985 6.7% 7.4% 11.8% 05/09/09 26,563 220 43 1,720 2,298 2,327 2,277 30,844 1,972 1,289 971 162 0 68 2,490 2,273 26,382 23,003 20,696 7.3% 7.0% 11.0% 05/10/09 22,849 220 32 1,483 2,368 2,342 2,292 26,952 1,972 1,291 966 162 50 67 2,436 2,255 22,545 23,927 20,881 8.2% 7.4% 10.4% 05/11/09 20,809 220 27 1,300 2,423 24,779 05/12/09 05/13/09 05/14/09 05/15/09 05/16/09 05/17/09 05/18/09 05/19/09 05/20/09 05/21/09 05/22/09 05/23/09 05/24/09 05/25/09 05/26/09 05/27/09 05/28/09 05/29/09 05/30/09 05/31/09 Total 214,728 2,420 428 18,619 24,862 21,860 22,096 261,057 3,934 11,824 9,924 1,585 483 687 23,536 21,189 208,809 166,361165,643 95.8% 97.8% 124.0% Average 19,521 220 39 1,693 2,260 2,186 2,210 23,732 393 1,182 992 158 48 69 2,354 2,119 20,881 16,636 9.6% 9.8% 12.4%