U.S. Bureau of Reclamation - Central Valley Operations Office Delta Outflow Computation (values in c.f.s.) APRIL 1998 Estimated numbers are in bold italic print DELTA INFLOW DELTA EXPORTS OUTFLOW INDEX Sacto R Yolo + East Side S. Joaquin River@Vernalis Total Clifton Contra Byron Total 3-day Export/ @Freeport SRTP Misc Streams 7-day Monthly Delta Court Tracy Costa Bethany NBA Delta Avg NDOI 7-day Monthly Inflow Date -prev day--prev wk- -prev day--prev day--prev day- Average Average Inflow NDCU (CLT) (TRA) (CCC) (BBID) Exports TRA & CLT daily Avg Avg (%) 04/01/98 73,433 225 51,665 4,179 22,536 19,041 22,325 152,038 (760) 0 1,748 148 0 19 1,916 2,372 150,883 161,334 150,883 1.1% 04/02/98 72,285 222 37,945 4,080 22,325 20,017 22,055 136,857 (532) 0 3,493 199 0 16 3,708 2,639 133,681 159,672 142,282 2.6% 04/03/98 70,877 218 25,762 3,797 21,784 20,766 21,773 122,438 (989) 0 2,871 199 0 20 3,090 2,704 120,337 153,590 134,967 2.3% 04/04/98 70,631 215 23,773 5,195 21,210 21,356 21,595 121,024 (2,764) 0 1,074 184 0 16 1,274 2,479 122,514 146,387 131,854 0.9% 04/05/98 70,760 211 23,884 4,905 21,059 21,655 21,499 120,819 (2,993) 0 731 165 0 16 912 1,559 122,900 139,335 130,063 0.6% 04/06/98 70,160 208 19,367 4,436 21,115 21,583 21,425 115,286 (710) 0 764 193 0 14 972 856 115,025 131,885 127,557 0.7% 04/07/98 69,450 204 15,813 4,211 21,054 21,373 21,373 110,732 (1,167) 0 1,369 194 0 18 1,581 955 110,318 125,094 125,094 1.2% 04/08/98 69,053 201 13,570 4,348 21,063 21,247 21,382 108,235 (660) 0 1,713 217 0 20 1,950 1,282 106,945 118,817 122,825 1.6% 04/09/98 68,848 201 12,168 4,024 21,442 21,292 21,461 106,683 1,165 0 1,004 241 0 18 1,263 1,362 104,254 114,613 120,762 0.9% 04/10/98 68,651 201 10,854 3,826 22,098 21,494 21,578 105,630 1,394 0 738 200 0 19 956 1,152 103,281 112,177 119,014 0.7% 04/11/98 67,940 201 6,582 3,604 22,629 21,731 21,682 100,956 1,394 0 766 249 0 17 1,032 836 98,530 108,751 117,152 0.8% 04/12/98 66,861 201 2,930 3,422 22,719 21,982 21,781 96,133 481 0 762 205 0 15 982 755 94,671 104,718 115,278 0.8% 04/13/98 65,086 201 1,634 3,480 22,870 22,336 21,915 93,271 74 0 761 240 0 27 1,028 763 92,168 101,453 113,501 0.8% 04/14/98 63,237 201 1,900 4,375 23,529 22,802 22,087 93,242 (1,980) 0 758 258 0 41 1,057 760 94,164 99,145 112,119 0.8% 04/15/98 61,570 201 2,431 4,582 24,325 23,276 22,266 93,109 (2,208) 0 761 247 0 53 1,061 760 94,256 97,332 110,928 0.8% 04/16/98 59,488 201 2,059 5,282 24,763 23,666 22,426 91,793 (2,208) 0 609 268 0 51 928 710 93,073 95,735 109,812 0.7% 04/17/98 56,714 201 2,169 4,898 24,825 23,986 22,569 88,807 (839) 0 1,001 252 0 49 1,302 791 88,343 93,601 108,550 1.1% 04/18/98 53,918 201 1,450 4,101 24,868 24,262 22,685 84,538 (382) 0 847 253 0 58 1,158 819 83,762 91,491 107,173 1.0% 04/19/98 50,558 201 1,776 3,856 24,656 24,456 22,766 81,047 1,672 0 847 249 0 56 1,151 898 78,224 89,141 105,649 1.0% 04/20/98 47,402 201 1,768 3,788 24,228 24,488 22,816 77,387 1,900 0 1,525 248 0 58 1,831 1,073 73,656 86,497 104,049 2.0% 04/21/98 45,521 201 1,681 3,412 23,753 24,292 22,822 74,568 1,900 0 1,919 209 0 59 2,187 1,430 70,481 83,114 102,451 2.6% 04/22/98 44,973 201 1,364 3,071 22,953 23,812 22,758 72,562 1,900 0 1,919 172 27 64 2,129 1,788 68,533 79,439 100,909 2.6% 04/23/98 44,133 201 886 3,502 21,404 23,167 22,651 70,126 1,900 0 1,921 252 13 60 2,220 1,920 66,006 75,572 99,392 2.7% 04/24/98 43,959 201 672 3,932 20,305 22,472 22,541 69,069 1,950 0 1,942 250 10 47 2,229 1,928 64,890 72,222 97,954 2.8% 04/25/98 44,977 201 606 4,213 20,005 21,755 22,425 70,002 1,950 0 1,909 249 20 41 2,179 1,924 65,873 69,666 96,671 2.7% 04/26/98 46,742 201 505 4,180 19,635 21,077 22,312 71,263 1,950 504 1,916 249 20 42 2,691 2,090 66,622 68,009 95,515 3.4% 04/27/98 47,660 201 445 4,015 19,486 20,428 22,197 71,807 1,950 16 1,924 252 10 48 2,230 2,090 67,627 67,148 94,482 2.7% 04/28/98 47,507 201 417 3,532 19,210 19,852 22,080 70,867 2,000 0 1,919 256 10 57 2,223 2,093 66,644 66,599 93,488 2.7% 04/29/98 48,028 201 401 3,261 18,921 19,457 21,961 70,812 2,000 0 1,924 281 26 43 2,222 1,928 66,590 66,322 92,560 2.7% 04/30/98 47,361 201 392 3,403 18,639 19,178 21,841 69,996 2,000 0 1,924 294 20 42 2,239 1,922 65,757 66,286 91,667 2.7% Total 1,757,783 6,126 266,869 120,910 659,409 658,300 663,043 2,811,097 9,387 520 43,361 6,872 156 1,104 51,701 44,638 2,750,009 3,045,143 3,374,599 50.0% Average 58,593 204 8,896 4,030 21,980 21,943 22,101 93,703 313 17 1,445 229 5 37 1,723 1,488 91,667 101,505 112,487 1.7%