09/28/05
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                August 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     (%)     (%)    (%)
08/01/05  18,800     230       0    1,199   3,451  3,476  3,554  23,680   4,200   7,165   4,338   255     89   108  11,778   11,531   7,702  8,378   7,702    48.2%  48.1%  45.5%
08/02/05  18,000     231       0    1,187   3,554  3,451  3,506  22,972   4,200   7,175   4,322   256     66   110  11,797   11,514   6,974  8,027   7,338    49.8%  48.7%  45.9%
08/03/05  18,100     231       0    1,158   3,458  3,434  3,449  22,947   4,150   7,174   4,336   256     59   119  11,825   11,503   6,973  7,769   7,216    49.9%  49.3%  46.2%
08/04/05  18,100     232       0    1,154   3,335  3,405  3,394  22,821   4,150   7,172   4,353   254     46   126  11,859   11,510   6,812  7,506   7,115    50.3%  50.0%  46.8%
08/05/05  18,100     232       0    1,159   3,229  3,384  3,368  22,720   4,100   7,172   4,376   252     46   126  11,879   11,527   6,741  7,285   7,040    50.6%  50.3%  47.3%
08/06/05  18,100     233       0    1,182   3,263  3,379  3,367  22,778   4,100   7,171   4,394   247     45   118  11,885   11,546   6,793  7,115   6,999    50.6%  50.5%  47.8%
08/07/05  17,700     233       0    1,209   3,360  3,380  3,380  22,502   4,050   7,179   4,394   255     45   106  11,888   11,562   6,564  6,937   6,937    51.2%  50.8%  48.4%
08/08/05  17,600     234       0    1,194   3,460  3,278  3,312  22,488   4,050   7,180   4,393   250     91   111  11,844   11,570   6,594  6,779   6,894    51.1%  51.0%  48.8%
08/09/05  17,300     234       0    1,161   2,839  3,169  3,244  21,534   4,000   7,172   4,483   261     45   105  11,976   11,601   5,558  6,576   6,746    53.9%  52.0%  49.5%
08/10/05  17,600     234       0    1,164   2,698  3,070  3,184  21,696   4,000   7,175   4,451   256     53   111  11,941   11,619   5,755  6,402   6,647    53.3%  52.8%  50.1%
08/11/05  17,600     234       0    1,160   2,642  2,979  3,130  21,636   3,950   6,484   4,431   256     56   118  11,233   11,399   6,453  6,351   6,629    50.2%  52.5%  49.6%
08/12/05  18,100     234       0    1,200   2,588  2,882  3,085  22,122   3,950   7,175   4,437   254     65   122  11,922   11,384   6,250  6,281   6,597    52.2%  51.9%  49.9%
08/13/05  16,400     234       0    1,219   2,590  2,768  3,044  20,443   3,900   7,177   4,416   258     50   112  11,913   11,373   4,630  5,972   6,446    56.5%  52.9%  50.4%
08/14/05  15,100     234       0    1,237   2,560  2,647  3,014  19,131   3,850   7,172   4,381   244     50   106  11,852   11,586   3,429  5,524   6,231    60.1%  56.1%  52.2%
08/15/05  15,300     234       0    1,242   2,614  2,616  2,988  19,390   3,850   7,175   4,431   248     20   111  11,946   11,584   3,594  5,096   6,055    59.8%  58.7%  53.0%
08/16/05  15,600     234       0    1,238   2,623  2,605  2,964  19,695   3,800   7,175   4,434   258     40   120  11,946   11,589   3,949  4,866   5,923    58.7%  59.5%  53.6%
08/17/05  16,200     234       0    1,205   2,618  2,611  2,948  20,257   3,800   7,177   4,354   259     28   115  11,877   11,582   4,580  4,698   5,844    56.8%  58.4%  54.1%
08/18/05  16,100     234       0    1,205   2,685  2,622  2,932  20,224   3,750   7,174   4,399   248     79   112  11,855   11,571   4,619  4,436   5,776    56.8%  57.4%  54.4%
08/19/05  16,300     234       0    1,150   2,666  2,643  2,922  20,350   3,700   7,180   4,418   249     79   113  11,882   11,568   4,768  4,224   5,723    56.6%  56.7%  54.7%
08/20/05  16,900     234       0    1,006   2,733  2,697  2,923  20,873   3,700   6,990   4,373   248     50   119  11,679   11,511   5,494  4,348   5,712    54.2%  55.9%  54.8%
08/21/05  16,950     234       0      844   2,940  2,753  2,927  20,968   3,650   7,177   4,461   247     50   119  11,953   11,533   5,365  4,624   5,695    55.3%  55.3%  55.2%
08/22/05  17,200     234       0      636   3,003  2,800  2,928  21,073   3,600   7,173   4,443   244     50   117  11,927   11,539   5,546  4,903   5,688    54.9%  54.8%  55.6%
08/23/05  17,450     234       0      547   2,954  2,810  2,918  21,185   3,600   7,170   4,498   212     72   116  11,924   11,641   5,661  5,148   5,687    54.7%  55.0%  56.1%
08/24/05  17,550     234       0      459   2,692  2,788  2,901  20,935   3,550   7,180   4,478   202     60   116  11,915   11,647   5,470  5,275   5,678    55.4%  55.0%  56.3%
08/25/05  17,400     234       0      435   2,527  2,766  2,886  20,596   3,500   7,179   4,416   217     54   118  11,877   11,640   5,219  5,360   5,660    56.0%  55.4%  56.4%
08/26/05  18,000     234       0      424   2,511  2,727  2,869  21,169   3,450   7,180   4,415   243     50   115  11,903   11,616   5,816  5,510   5,666    54.5%  55.3%  56.5%
08/27/05  17,900     234       0      438   2,463  2,651  2,852  21,035   3,450   7,177   4,378   246     50   126  11,875   11,582   5,710  5,541   5,667    54.7%  55.1%  56.3%
08/28/05  17,700     234       0      442   2,409  2,577  2,839  20,785   3,400   7,173   4,422   244     50   129  11,918   11,581   5,467  5,556   5,660    55.5%  54.9%  56.0%
08/29/05  17,400     234       0      446   2,482  2,482  2,820  20,562   3,350   7,173   4,421   247      0   120  11,961   11,581   5,251  5,513   5,646    56.4%  55.5%  55.8%
08/30/05  17,700     234       0      447   2,293  2,393  2,795  20,674   3,300   7,179   4,392   253     43   125  11,905   11,587   5,469  5,486   5,640    55.8%  55.9%  55.7%
08/31/05  17,400     234       0      431   2,067  2,316  2,769  20,132   3,250   7,174   4,414   257     45   121  11,921   11,584   4,961  5,413   5,618    57.3%  56.5%  55.7%

  Total  535,650   7,238       0   29,178  87,307 89,561 95,211 659,373 117,350 221,547 136,652 7,670  1,630 3,617 367,856  358,161 174,167 182,898193,878  1681.4%1672.1%1618.4%
Average   17,279     233       0      941   2,816  2,889  3,071  21,270   3,785   7,147   4,408   247     53   117  11,866   11,554   5,618  5,900            54.2%  53.9%  52.2%