08/15/05
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                May 2005
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     (%)   (%)   (%)
05/01/05  15,406     201       0    2,591   6,931  7,112  7,359  25,129  (2,336)    587   1,760   129     25    29   2,479    3,135  24,986 22,566  24,986    9.2% 12.2% 11.2%
05/02/05  14,941     200       0    2,592   7,359  7,131  7,543  25,092  (2,336)    579   1,663   152     28    29   2,394    2,706  25,034 23,139  25,010    8.8% 10.6%  9.9%
05/03/05  14,202     200       0    2,607   7,726  7,216  7,630  24,735     452     595   1,664   152     41    35   2,406    2,283  21,877 23,339  23,965    9.0%  9.0%  8.5%
05/04/05  14,132     199       0    2,558   7,804  7,292  7,608  24,693   2,100       0   1,663   148     58    31   1,785    2,055  20,809 23,434  23,176    6.5%  8.1%  7.7%
05/05/05  14,500     199       0    2,540   7,542  7,408  7,609  24,781     731     633   1,658   145     53    31   2,414    2,071  21,636 23,297  22,868    9.0%  8.2%  7.9%
05/06/05  14,765     198       0    2,612   7,615  7,546  7,649  25,190    (639)  1,130   1,137   143     88    30   2,351    2,073  23,477 23,171  22,970    8.7%  8.1%  7.9%
05/07/05  15,307     198       0    2,997   7,847  7,714  7,714  26,349    (589)  1,398     926   143     50    29   2,446    2,294  24,491 23,187  23,187    8.6%  8.8%  8.8%
05/08/05  17,255     197       0    2,838   8,107  7,849  7,788  28,397    (589)  1,400     912   127     50    29   2,417    2,301  26,568 23,413  23,610    8.0%  8.4%  8.8%
05/09/05  20,046     197       0    2,736   8,302  7,959  7,867  31,281  (2,364)  1,395     899   119      0    29   2,443    2,310  31,203 24,294  24,453    7.3%  7.9%  8.8%
05/10/05  22,120     197       0    4,059   8,498  8,091  7,953  34,874  (1,680)  1,389     910   298     24    31   2,604    2,302  33,950 26,019  25,403    6.5%  7.2%  8.6%
05/11/05  26,735     197       0    4,218   8,727  8,265  8,026  39,877    (260)  1,400     907   317     48    28   2,603    2,300  37,534 28,408  26,506    5.7%  6.4%  8.3%
05/12/05  35,546     197       0    3,611   8,760  8,421  8,083  48,114    (210)  1,399     907   327     71    33   2,595    2,304  45,729 31,850  28,108    4.6%  5.5%  7.7%
05/13/05  38,777     197       0    3,301   8,707  8,549  8,134  50,982    (210)  1,392     908   332     82    30   2,580    2,305  48,612 35,441  29,685    4.4%  4.8%  7.2%
05/14/05  42,100     197       0    3,131   8,744  8,652  8,183  54,172   1,665   1,399     905   327     50    30   2,611    2,303  49,896 39,070  31,129    4.2%  4.4%  6.8%
05/15/05  42,300     197       0    3,072   8,828  8,729  8,227  54,397   2,350   1,392     902   323     50    30   2,597    2,299  49,450 42,339  32,350    4.1%  4.2%  6.4%
05/16/05  41,900     197       0    3,050   8,838  8,756  8,256  53,985   2,400   1,381     903   313    126    33   2,505    2,294  49,080 44,893  33,396    4.0%  4.1%  6.0%
05/17/05  40,290     197       0    3,590   8,691  8,738  8,276  52,768   2,450   1,346     916   307    108    34   2,494    2,280  47,824 46,875  34,244    4.1%  4.1%  5.6%
05/18/05  41,570     197       0    3,979   8,600  8,736  8,302  54,346   2,450   1,306     925   268     62    38   2,475    2,259  49,421 48,573  35,088    4.0%  4.0%  5.2%
05/19/05  43,400     197       0    3,653   8,746  8,808  8,350  55,996   2,500   1,349     928   281     59    33   2,532    2,256  50,964 49,321  35,923    4.0%  4.0%  5.0%
05/20/05  49,400     197       0    3,681   9,212  9,015  8,442  62,490   2,550   1,335     924   281     49    37   2,527    2,255  57,413 50,578  36,998    3.5%  3.8%  4.8%
05/21/05  68,000     197   5,350    3,902  10,190  9,397  8,588  87,639   2,550   1,342     926   289     50    33   2,539    2,268  82,550 55,243  39,167    2.5%  3.2%  4.4%
05/22/05  60,000     197  35,902    3,929  11,500  9,916  8,764 111,528   2,600   1,348     927   290     50    42   2,557    2,267 106,371 63,375  42,222    2.0%  2.5%  3.9%
05/23/05  70,800     197  31,577    3,752  12,475 10,538  8,951 118,801   2,650   1,344     929   327     89    44   2,555    2,272 113,596 72,591  45,325    1.8%  2.1%  3.5%
05/24/05  70,700     197  14,355    3,685  13,046 11,226  9,137 101,983   2,700   1,348     929   331     39    47   2,616    2,275  96,667 79,569  47,464    2.2%  2.0%  3.3%
05/25/05  67,990     197   3,456    3,595  13,412 11,937  9,320  88,650   2,750   1,344     930   352     47    44   2,623    2,274  83,277 84,405  48,897    2.5%  2.1%  3.1%
05/26/05  64,219     197      21    3,507  13,725 12,622  9,500  81,669   2,750   3,345     928   359     65    45   4,613    2,941  74,306 87,740  49,874    5.2%  3.2%  3.9%
05/27/05  58,973     197       0    3,461  14,004 13,175  9,669  76,635   2,800   5,298     933   354     66    46   6,564    4,259  67,271 89,148  50,518    8.0%  5.1%  5.6%
05/28/05  52,750     197       0    3,451  14,062 13,587  9,838  70,460   2,850   5,292     927   356     50    44   6,569    5,574  61,041 86,076  50,894    8.8%  7.2%  7.2%
05/29/05  45,900     197       0    3,434  14,383 13,924 10,010  63,914   2,900   5,287     924   335     50    46   6,541    6,220  54,473 78,661  51,017    9.6%  8.8%  8.0%
05/30/05  41,575     197       0    3,363  14,838 14,259 10,189  59,973   2,950   5,298     922   332     50    41   6,542    6,217  50,481 69,645  50,999   10.3%  9.5%  7.9%
05/31/05  40,460     197       0    3,017  15,388 14,596 10,369  59,062   3,000   5,298   1,619   359    149    45   7,172    6,449  48,890 62,820  50,931   11.5% 10.4%  8.2%

  Total 1,206,059  6,123  90,661  102,512 312,607 297,168263,3331,717,96 38,935  59,348  33,211 8,316  1,830 1,107 100,152   89,404 1,578,871,482,41,090,36 188.6%190.0%209.7%
Average   38,905     198   2,925    3,307  10,084  9,586  8,495  55,418   1,256   1,914   1,071   268     59    36   3,231    2,884  50,931 47,822            6.1%  6.1%  6.8%