05/14/08 U.S. Bureau of Reclamation - Central Valley Operations Office Delta Outflow Computation (values in c.f.s.) April 2008 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 (%) (%) (%) 04/01/08 9,739 210 435 724 2,493 2,427 2,376 13,601 1,065 1,996 974 2 23 7 2,956 2,292 9,579 8,917 9,579 21.7% 17.0% 16.4% 04/02/08 9,110 210 486 671 2,376 2,409 2,293 12,853 1,065 2,489 1,008 11 53 6 3,460 2,801 8,328 9,021 8,953 26.8% 20.8% 20.1% 04/03/08 9,532 210 549 659 2,210 2,376 2,247 13,160 1,522 2,487 1,384 3 59 14 3,829 3,446 7,810 8,994 8,572 29.0% 25.8% 25.0% 04/04/08 9,422 210 587 658 2,155 2,320 2,198 13,032 1,800 2,744 1,835 5 44 37 4,577 3,982 6,655 8,773 8,093 34.8% 30.2% 29.2% 04/05/08 8,928 210 334 654 2,049 2,258 2,162 12,175 1,800 2,459 1,847 6 65 46 4,293 4,252 6,082 8,391 7,691 34.8% 32.8% 31.6% 04/06/08 8,707 210 381 669 2,022 2,187 2,136 11,989 1,800 1,630 1,837 4 0 56 3,527 4,117 6,662 7,910 7,519 28.9% 32.9% 31.0% 04/07/08 8,448 210 542 673 2,003 2,118 2,118 11,876 1,800 2,281 1,846 8 0 54 4,189 3,966 5,887 7,286 7,286 34.7% 32.8% 30.4% 04/08/08 9,028 210 656 678 2,010 2,059 2,099 12,582 1,850 1,593 1,835 2 90 55 3,396 3,674 7,336 6,966 7,292 26.5% 30.0% 28.3% 04/09/08 8,913 210 669 674 1,965 2,011 2,074 12,431 1,850 1,490 1,844 9 58 54 3,339 3,630 7,242 6,811 7,287 26.3% 29.1% 27.9% 04/10/08 9,787 210 665 657 1,875 1,996 2,071 13,194 1,850 1,244 1,131 9 65 62 2,381 3,046 8,963 6,975 7,454 17.5% 23.4% 23.2% 04/11/08 10,161 210 649 642 2,047 1,966 2,050 13,709 1,850 998 841 5 68 68 1,844 2,516 10,015 7,455 7,687 12.9% 18.7% 19.1% 04/12/08 12,024 210 678 611 1,841 1,937 2,031 15,364 1,850 487 839 4 75 77 1,332 1,847 12,182 8,327 8,062 8.1% 12.6% 13.6% 04/13/08 12,515 210 682 627 1,820 1,930 2,025 15,854 1,900 496 840 6 73 74 1,343 1,500 12,611 9,177 8,412 8.0% 9.5% 10.8% 04/14/08 12,640 210 729 666 1,955 1,936 2,027 16,200 1,900 997 840 5 93 82 1,831 1,500 12,469 10,117 8,702 10.8% 9.0% 10.6% 04/15/08 11,885 210 750 706 2,047 1,943 2,026 15,598 1,900 984 839 7 75 84 1,839 1,665 11,859 10,763 8,912 11.2% 10.0% 11.7% 04/16/08 12,958 210 772 731 2,013 1,961 2,025 16,684 1,900 1,472 837 5 50 87 2,351 1,990 12,433 11,505 9,132 13.5% 11.9% 13.8% 04/17/08 12,831 210 769 769 2,007 1,975 2,032 16,586 1,900 1,487 845 4 87 108 2,356 2,155 12,330 11,986 9,320 13.5% 12.8% 14.8% 04/18/08 12,428 210 741 732 2,144 2,026 2,041 16,255 1,900 1,499 820 6 47 110 2,387 2,320 11,968 12,265 9,467 14.0% 13.7% 15.8% 04/19/08 11,849 210 720 667 2,197 2,078 2,048 15,643 1,900 998 841 5 0 84 1,928 2,163 11,815 12,212 9,591 11.8% 13.1% 14.5% 04/20/08 11,316 210 711 685 2,184 2,105 2,053 15,106 1,900 984 838 4 50 77 1,852 1,994 11,354 12,033 9,679 11.7% 12.5% 13.3% 04/21/08 11,988 210 711 699 2,141 2,185 2,080 15,749 1,900 996 839 2 187 85 1,734 1,832 12,115 11,982 9,795 10.5% 11.3% 11.6% 04/22/08 11,477 210 675 688 2,612 2,301 2,113 15,662 1,900 690 839 0 71 97 1,555 1,729 12,207 12,032 9,905 9.3% 10.5% 10.6% 04/23/08 10,765 210 669 640 2,822 2,435 2,149 15,106 1,900 687 838 0 75 84 1,535 1,630 11,671 11,923 9,981 9.6% 9.8% 9.8% 04/24/08 9,862 210 642 611 2,943 2,569 2,188 14,268 1,494 684 829 0 94 82 1,501 1,522 11,274 11,772 10,035 9.9% 9.6% 9.3% 04/25/08 9,808 210 640 589 3,082 2,713 2,229 14,329 1,494 686 837 7 70 83 1,542 1,520 11,293 11,675 10,086 10.1% 9.9% 9.2% 04/26/08 9,153 210 602 562 3,207 2,852 2,265 13,734 1,494 691 839 5 50 79 1,563 1,522 10,677 11,513 10,108 10.8% 10.3% 9.4% 04/27/08 8,707 210 633 551 3,158 3,004 2,299 13,259 1,494 695 840 4 0 81 1,620 1,529 10,146 11,340 10,110 11.6% 10.8% 9.7% 04/28/08 8,188 210 635 574 3,201 3,080 2,330 12,808 1,544 693 834 5 54 85 1,562 1,531 9,702 10,996 10,095 11.5% 11.3% 9.9% 04/29/08 7,659 210 645 650 3,145 3,105 2,353 12,309 2,000 696 841 6 47 93 1,589 1,533 8,720 10,498 10,048 12.1% 11.7% 10.1% 04/30/08 7,238 210 686 693 2,996 3,112 2,374 11,823 2,000 692 832 5 65 76 1,540 1,530 8,283 10,013 9,989 12.3% 12.0% 10.2% Total 307,066 6,300 19,043 19,810 70,720 69,373 64,512 422,939 52,520 38,021 32,293 136 1,787 2,088 70,751 70,732 299,667 299,625268,844 504.4% 505.8% 501.0% Average 10,236 210 635 660 2,357 2,312 2,150 14,098 1,751 1,267 1,076 5 60 70 2,358 2,358 9,989 9,988 16.8% 16.9% 16.7%