05/22/09 U.S. Bureau of Reclamation - Central Valley Operations Office Delta Outflow Computation (values in c.f.s.) April 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 (%) (%) (%) 04/01/09 10,054 220 81 725 1,158 1,142 1,100 12,238 1,750 2,256 2,614 0 65 5 4,810 5,003 5,678 6,841 5,678 39.3% 38.9% 34.1% 04/02/09 10,260 220 78 822 1,100 1,134 1,095 12,480 1,750 2,254 2,611 0 84 6 4,785 4,878 5,945 6,485 5,811 38.3% 38.5% 33.7% 04/03/09 9,725 220 76 882 1,090 1,128 1,099 11,993 1,750 2,253 2,017 0 83 11 4,198 4,668 6,045 6,199 5,889 34.9% 37.5% 33.1% 04/04/09 10,121 220 60 899 1,108 1,123 1,100 12,408 1,800 2,251 1,747 0 50 10 3,958 4,377 6,650 6,096 6,079 31.8% 35.0% 31.8% 04/05/09 10,213 220 66 875 1,100 1,122 1,104 12,474 1,800 2,253 1,746 0 50 12 3,960 4,089 6,714 6,185 6,206 31.7% 32.8% 30.3% 04/06/09 11,399 220 65 831 1,122 1,113 1,106 13,637 1,800 1,125 1,114 0 38 9 2,210 3,412 9,627 6,683 6,776 16.1% 26.2% 25.6% 04/07/09 12,035 220 65 794 1,115 1,106 1,106 14,229 1,800 1,125 859 0 52 5 1,936 2,740 10,493 7,307 7,307 13.6% 20.0% 20.6% 04/08/09 12,476 220 62 824 1,109 1,118 1,116 14,691 937 1,122 1,314 0 39 8 2,405 2,220 11,349 8,117 7,812 16.3% 15.3% 16.6% 04/09/09 13,074 220 69 883 1,185 1,144 1,133 15,431 481 1,490 1,841 0 70 7 3,268 2,583 11,682 8,937 8,242 21.1% 17.1% 19.1% 04/10/09 13,056 220 71 903 1,269 1,176 1,153 15,519 -204 1,992 1,841 0 48 8 3,793 3,200 11,930 9,778 8,611 24.4% 20.7% 23.6% 04/11/09 13,112 220 70 950 1,335 1,214 1,173 15,687 -432 1,998 2,531 0 25 12 4,516 3,898 11,603 10,485 8,883 28.7% 24.8% 28.4% 04/12/09 13,266 220 73 911 1,366 1,261 1,196 15,836 -432 1,996 2,743 0 0 9 4,748 4,367 11,520 11,172 9,103 29.9% 27.7% 31.6% 04/13/09 13,878 220 65 817 1,448 1,309 1,215 16,428 531 1,999 2,783 0 109 11 4,684 4,684 11,213 11,399 9,265 28.4% 29.0% 33.2% 04/14/09 13,923 220 60 775 1,450 1,350 1,228 16,428 987 1,995 2,167 0 44 10 4,128 4,561 11,313 11,516 9,412 25.1% 27.8% 31.7% 04/15/09 13,634 220 54 796 1,397 1,378 1,238 16,101 1,672 1,995 1,144 0 52 14 3,101 4,028 11,329 11,513 9,539 19.2% 24.3% 27.3% 04/16/09 13,567 220 53 804 1,383 1,394 1,247 16,027 1,900 1,998 851 0 47 12 2,814 3,384 11,313 11,460 9,650 17.5% 20.6% 22.6% 04/17/09 13,180 220 47 788 1,378 1,401 1,255 15,613 1,900 688 851 0 57 17 1,499 2,509 12,214 11,501 9,801 9.5% 15.4% 16.3% 04/18/09 12,845 220 35 760 1,387 1,406 1,263 15,247 1,900 691 853 0 50 22 1,515 1,977 11,832 11,533 9,914 9.8% 12.3% 12.6% 04/19/09 12,313 220 30 735 1,400 1,435 1,284 14,698 1,900 695 852 0 50 16 1,512 1,543 11,286 11,500 9,986 10.2% 9.8% 9.7% 04/20/09 11,657 220 28 727 1,651 1,499 1,314 14,283 1,900 692 850 0 58 23 1,506 1,544 10,877 11,452 10,031 10.4% 10.1% 9.7% 04/21/09 11,226 220 27 763 1,896 1,585 1,347 14,132 1,900 1,092 853 0 50 33 1,927 1,678 10,305 11,308 10,044 13.4% 11.3% 10.5% 04/22/09 11,065 220 25 806 2,002 1,673 1,377 14,118 1,900 994 854 0 68 34 1,814 1,778 10,404 11,176 10,060 12.6% 12.1% 11.2% 04/23/09 10,446 220 20 845 1,995 1,749 1,400 13,526 1,900 993 971 0 56 41 1,949 1,919 9,677 10,942 10,043 14.1% 13.4% 12.2% 04/24/09 9,618 220 19 874 1,910 1,830 1,423 12,641 1,950 491 1,016 0 107 45 1,445 1,773 9,246 10,518 10,010 11.1% 12.6% 11.3% 04/25/09 9,752 220 16 849 1,959 1,910 1,445 12,796 1,950 491 905 0 50 47 1,393 1,622 9,453 10,178 9,988 10.5% 11.9% 10.4% 04/26/09 10,560 220 18 828 1,959 1,966 1,468 13,585 1,950 488 858 0 50 45 1,340 1,416 10,295 10,037 10,000 9.5% 10.4% 9.2% 04/27/09 12,161 220 20 773 2,042 1,991 1,490 15,216 1,950 993 856 0 13 42 1,878 1,530 11,388 10,110 10,051 12.1% 10.8% 10.2% 04/28/09 12,056 220 21 703 2,070 1,996 1,510 15,070 2,000 839 859 76 67 54 1,761 1,631 11,309 10,253 10,096 10.8% 10.9% 10.9% 04/29/09 12,635 220 20 673 2,040 1,997 1,526 15,588 2,000 845 857 170 78 70 1,863 1,750 11,725 10,442 10,152 10.4% 11.1% 11.7% 04/30/09 12,611 220 19 668 2,001 2,002 1,540 15,519 2,000 842 855 183 60 66 1,886 1,699 11,633 10,721 10,202 10.5% 10.6% 11.3% Total 355,918 6,600 1,413 24,283 45,425 43,656 38,052 433,639 44,989 40,937 42,210 429 1,673 701 82,603 86,462 306,046 291,844264,644 571.3% 598.9% 600.4% Average 11,864 220 47 809 1,514 1,455 1,268 14,455 1,500 1,365 1,407 14 56 23 2,753 2,882 10,202 9,728 19.0% 20.0% 20.0%