10/19/04
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                September 2004
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     (%)   (%)   (%)
09/01/04  15,929     204       0      269   1,278  1,258  1,206  17,680   3,200   6,357   4,308   208     48   120  10,945   10,963   3,535  3,801   3,535   60.0% 60.5% 58.4%
09/02/04  15,797     204       0      248   1,206  1,236  1,147  17,455   3,200   6,114   4,335   204     50   115  10,718   10,609   3,537  3,625   3,536   59.6% 59.5% 56.9%
09/03/04  16,114     205       0      230   1,088  1,212  1,104  17,637   3,150   6,252   4,391   179     67   113  10,868   10,585   3,618  3,507   3,564   60.0% 59.9% 57.0%
09/04/04  16,185     205       0      223   1,017  1,189  1,093  17,630   3,100   5,076   4,378   175     50   117   9,696   10,182   4,833  3,688   3,881   53.3% 57.6% 55.0%
09/05/04  16,127     205       0      227   1,062  1,169  1,102  17,621   3,050   5,925   4,369   153     50   112  10,509   10,130   4,062  3,809   3,917   58.1% 57.1% 54.8%
09/06/04  16,031     205       0      234   1,137  1,138  1,114  17,607   3,000   5,719   4,409   132     50   105  10,315    9,959   4,292  3,960   3,980   57.2% 56.2% 54.1%
09/07/04  15,833     206       0      244   1,175  1,116  1,116  17,458   2,950   5,288   4,399   132     37   103   9,885   10,036   4,623  4,072   4,072   55.3% 56.9% 54.8%
09/08/04  15,766     206       0      243   1,126  1,103  1,116  17,341   2,900   3,893   4,360   135     57   121   8,452    9,356   5,989  4,422   4,311   47.3% 53.3% 51.4%
09/09/04  15,975     206       0      244   1,116  1,105  1,114  17,541   2,900   3,120   4,344   127     57   117   7,651    8,468   6,990  4,916   4,609   42.2% 48.2% 46.9%
09/10/04  15,754     206       0      243   1,101  1,112  1,109  17,304   2,850   3,428   4,398   130     43   114   8,027    7,848   6,427  5,317   4,791   45.0% 44.8% 43.8%
09/11/04  15,278     206       0      237   1,064  1,110  1,104  16,785   2,800   4,528   4,380   123     38   118   9,111    8,066   4,874  5,323   4,799   52.8% 46.6% 45.5%
09/12/04  15,347     206       0      226   1,048  1,103  1,103  16,827   2,750   4,690   4,372   120     38   112   9,256    8,598   4,821  5,431   4,800   53.6% 50.4% 48.8%
09/13/04  15,036     206       0      216   1,090  1,094  1,103  16,548   2,700   4,992   4,102   126     54   108   9,275    9,021   4,573  5,471   4,783   54.6% 53.7% 51.6%
09/14/04  15,358     206       0      216   1,115  1,090  1,103  16,895   2,650   4,998   4,343   132     38   102   9,537    9,166   4,708  5,483   4,778   55.1% 54.4% 52.7%
09/15/04  15,138     206       0      215   1,098  1,091  1,104  16,657   2,600   4,985   4,508   136     30   110   9,709    9,309   4,348  5,249   4,749   56.8% 55.5% 53.8%
09/16/04  14,893     206       0      203   1,123  1,088  1,103  16,425   2,600   4,993   4,373   131     54   115   9,558    9,400   4,267  4,860   4,719   56.7% 56.2% 54.5%
09/17/04  14,711     206       0      186   1,081  1,083  1,098  16,184   2,550   4,990   4,365   128     51   123   9,555    9,404   4,079  4,525   4,681   57.5% 57.0% 54.9%
09/18/04  14,190     206       0      169   1,026  1,085  1,096  15,591   2,500   5,011   4,378   118     38   125   9,595    9,370   3,496  4,328   4,615   60.0% 58.0% 55.1%
09/19/04  14,704     206       0      169   1,061  1,089  1,098  16,140   2,450   5,416   4,458    75     38   119  10,030    9,539   3,660  4,162   4,565   60.9% 59.5% 56.5%
09/20/04  14,721     206       0      173   1,120  1,110  1,106  16,220   1,537   5,495   4,445    68     51   114  10,070    9,734   4,613  4,167   4,568   61.0% 60.6% 58.0%
09/21/04  14,689     206       0      160   1,262  1,145  1,117  16,317   1,487   5,626   4,271    87     31    99  10,051    9,904   4,778  4,177   4,578   60.5% 60.8% 59.3%
09/22/04  14,231     206       0      166   1,344  1,163  1,123  15,947   1,437   5,272   4,412    84     31    98   9,836    9,841   4,674  4,224   4,582   60.5% 60.7% 59.3%
09/23/04  14,207     206       0      166   1,247  1,179  1,126  15,826   1,437   5,267   4,393   101     28   109   9,843    9,747   4,546  4,264   4,580   60.9% 60.6% 59.2%
09/24/04  14,115     206       0      152   1,190  1,194  1,126  15,663   1,387   5,629   4,440   100     65   111  10,216    9,805   4,060  4,261   4,559   63.9% 61.7% 59.9%
09/25/04  13,642     206       0      147   1,132  1,202  1,126  15,127   2,250   4,631   4,476    62     65   116   9,220    9,612   3,657  4,284   4,523   59.8% 61.5% 59.1%
09/26/04  13,427     206       0      155   1,118  1,205  1,126  14,906   2,250   4,141   4,503    46     50   114   8,753    9,273   3,903  4,319   4,499   57.7% 60.5% 57.5%
09/27/04  13,371     206       0      166   1,141  1,187  1,127  14,884   2,200   4,871   4,441    38      0   106   9,456    9,021   3,228  4,121   4,452   62.6% 60.0% 56.4%
09/28/04  12,836     206       0      167   1,135  1,155  1,127  14,344   2,200   4,992   4,399    65      0   104   9,561    9,116   2,583  3,807   4,385   65.5% 61.8% 57.8%
09/29/04  12,345     206       0      177   1,119  1,134  1,126  13,847   2,150   4,491   4,403    52      2    99   9,043    9,199   2,654  3,519   4,325   64.2% 64.1% 59.2%
09/30/04  12,368     206       0      183   1,104  1,122  1,125  13,861   2,150   3,999   4,395    43     24    99   8,512    8,893   3,199  3,326   4,288   60.4% 63.4% 57.9%


  Total  444,118   6,172       0    6,054  33,924 34,266 33,488 490,268  74,386 150,189 131,548 3,408  1,238 3,343 287,249  284,156 128,634 130,418132,023 1722.9%1721.21650.4%
Average   14,804     206       0      202   1,131  1,142  1,116  16,342   2,480   5,006   4,385   114     41   111   9,575    9,472   4,288  4,347           57.4% 57.4% 55.0%