07/24/09 U.S. Bureau of Reclamation - Central Valley Operations Office Delta Outflow Computation (values in c.f.s.) 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 15 701 1,945 2,011 2,018 15,406 2,000 994 923 172 98 63 2,053 1,772 11,353 11,022 11,353 11.8% 10.9% 11.7% 05/02/09 12,340 220 15 753 2,018 2,043 2,102 15,346 -739 997 1,018 164 50 76 2,205 1,876 13,879 11,654 12,616 12.8% 11.7% 12.5% 05/03/09 13,263 220 29 1,643 2,186 2,083 2,174 17,341 -917 989 1,022 154 50 70 2,185 1,981 16,073 12,480 13,768 11.3% 11.9% 13.1% 05/04/09 13,988 220 39 2,035 2,318 2,120 2,214 18,600 -1,095 1,090 1,012 136 35 72 2,275 2,043 17,420 13,342 14,681 11.1% 11.7% 13.4% 05/05/09 16,244 220 43 2,361 2,332 2,163 2,239 21,200 -1,095 1,297 1,018 142 35 67 2,489 2,143 19,806 14,556 15,706 10.8% 11.0% 13.6% 05/06/09 20,520 220 38 2,336 2,342 2,209 2,253 25,456 -1,323 1,291 1,021 170 43 68 2,507 2,243 24,273 16,348 17,134 8.9% 10.1% 13.6% 05/07/09 27,708 220 86 2,326 2,324 2,261 2,261 32,664 1,465 1,295 1,015 160 54 67 2,482 2,312 28,717 18,789 18,789 6.9% 8.6% 12.9% 05/08/09 27,919 220 61 1,926 2,308 2,301 2,266 32,434 1,694 1,292 957 157 66 70 2,410 2,290 28,331 21,214 19,981 6.7% 7.4% 11.8% 05/09/09 26,563 220 43 1,714 2,298 2,327 2,277 30,838 1,972 1,289 971 162 0 68 2,490 2,273 26,376 22,999 20,692 7.3% 7.0% 11.0% 05/10/09 22,849 220 32 1,477 2,368 2,342 2,292 26,946 1,972 1,291 966 162 50 67 2,436 2,255 22,539 23,923 20,877 8.2% 7.4% 10.4% 05/11/09 20,809 220 27 1,292 2,423 2,363 2,309 24,771 2,250 1,492 966 157 50 68 2,633 2,325 19,888 24,276 20,787 9.7% 8.3% 10.4% 05/12/09 18,063 220 23 1,171 2,480 2,385 2,324 21,957 2,300 1,491 935 171 107 75 2,565 2,380 17,092 23,888 20,479 10.6% 9.4% 10.3% 05/13/09 16,602 220 18 1,083 2,492 2,411 2,338 20,415 2,300 1,489 912 171 59 85 2,597 2,428 15,518 22,637 20,097 11.5% 10.5% 10.3% 05/14/09 14,956 220 14 1,014 2,505 2,425 2,343 18,709 2,350 789 1,804 174 40 99 2,826 2,473 13,533 20,468 19,628 13.6% 11.8% 10.5% 05/15/09 13,629 220 11 942 2,410 2,436 2,345 17,212 2,350 496 1,807 161 60 104 2,507 2,432 12,355 18,186 19,143 13.0% 12.7% 10.3% 05/16/09 12,726 220 3 940 2,372 2,461 2,358 16,261 2,400 494 1,803 161 50 103 2,511 2,398 11,350 16,039 18,656 13.8% 13.5% 10.1% 05/17/09 12,135 220 1 935 2,547 2,480 2,369 15,838 2,450 495 1,806 172 50 110 2,533 2,300 10,855 14,370 18,197 14.2% 13.7% 9.7% 05/18/09 12,363 220 0 885 2,555 2,485 2,378 16,023 2,450 1,300 1,360 174 145 109 2,799 2,419 10,774 13,068 17,785 15.7% 14.6% 10.2% 05/19/09 12,473 220 0 826 2,517 2,465 2,376 16,036 2,500 1,293 899 180 85 105 2,393 2,384 11,143 12,218 17,435 13.1% 14.3% 10.2% 05/20/09 12,659 220 0 794 2,348 2,429 2,370 16,021 2,550 1,286 898 152 87 81 2,329 2,345 11,142 11,593 17,121 13.1% 14.0% 10.2% 05/21/09 13,224 220 32 756 2,251 2,397 2,361 16,483 2,550 1,286 901 157 67 83 2,361 2,188 11,572 11,313 16,857 12.9% 13.0% 10.2% 05/22/09 13,079 220 48 728 2,191 2,359 2,349 16,266 2,600 1,296 897 160 93 109 2,370 2,188 11,296 11,162 16,604 12.9% 13.0% 10.8% 05/23/09 12,399 220 46 725 2,101 2,286 2,336 15,491 2,650 1,291 899 143 50 116 2,399 2,190 10,442 11,032 16,336 13.8% 13.2% 11.5% 05/24/09 12,197 220 67 680 2,039 2,207 2,322 15,203 2,700 1,281 896 134 50 102 2,362 2,187 10,141 10,930 16,078 14.0% 13.6% 12.0% 05/25/09 12,622 220 85 638 2,002 2,122 2,306 15,567 2,750 1,298 898 133 50 88 2,367 2,188 10,450 10,884 15,853 13.8% 13.9% 12.6% 05/26/09 12,822 220 86 591 1,919 2,054 2,289 15,638 2,750 1,297 899 157 50 103 2,406 2,190 10,482 10,789 15,646 13.7% 13.8% 13.0% 05/27/09 12,833 220 86 551 1,872 1,984 2,270 15,562 2,800 1,295 901 165 410 112 2,063 2,196 10,699 10,726 15,463 11.5% 13.0% 12.5% 05/28/09 13,366 220 367 524 1,765 1,910 2,248 16,242 2,850 494 981 222 101 111 1,707 1,955 11,685 10,742 15,328 8.5% 11.2% 11.1% 05/29/09 12,299 220 464 522 1,671 1,840 2,226 15,176 2,900 496 1,006 204 41 113 1,778 1,724 10,498 10,628 15,161 9.6% 9.8% 9.7% 05/30/09 11,791 220 526 529 1,610 1,776 2,205 14,676 2,950 494 842 217 50 107 1,610 1,438 10,116 10,582 14,993 8.8% 8.9% 8.7% 05/31/09 11,694 220 569 537 1,594 1,713 2,184 14,614 3,000 483 0 211 50 104 749 1,107 10,865 10,685 14,860 3.0% 7.2% 6.8% Total 478,660 6,820 2,874 33,935 68,103 68,847 70,702 590,392 58,334 33,457 32,237 5,159 2,232 2,775 71,396 66,626 460,663 462,543528,105 346.6% 351.1% 345.2% Average 15,441 220 93 1,095 2,197 2,221 2,281 19,045 1,882 1,079 1,040 166 72 90 2,303 2,149 14,860 14,921 11.2% 11.3% 11.1%