09/01/04
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)
Italic Red numbers were updated on 9/1/04 due to a leap year calculation error.
                                                                                May 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     (%)   (%)   (%)
05/01/04  11,789     201       0      777   3,296  3,290  3,249  16,063   2,000     890     536   180     50    83   1,639    1,444  12,424 13,226  12,424    8.6%  8.6%  6.3%
05/02/04  11,777     200       0      862   3,249  3,292  3,252  16,088   2,000   1,453       0   184     50    77   1,664    1,431  12,425 12,812  12,424    8.7%  8.6%  6.7%
05/03/04  11,746     200       0      882   3,255  3,294  3,285  16,083   2,050   1,475       0   182     39    84   1,702    1,451  12,331 12,472  12,393    8.9%  8.7%  7.3%
05/04/04  11,655     199       0      970   3,352  3,297  3,299  16,176   2,100      93   1,423   173     60    93   1,722    1,481  12,355 12,283  12,384    9.0%  8.9%  7.8%
05/05/04  11,404     199       0    1,125   3,340  3,305  3,312  16,068   2,100     894     572     0     79   106   1,493    1,486  12,474 12,319  12,402    8.6%  8.9%  8.1%
05/06/04  12,046     198       0    1,271   3,366  3,303  3,304  16,881   2,100   1,489       0     5     77   100   1,517    1,491  13,264 12,507  12,546    8.4%  8.7%  8.2%
05/07/04  12,859     198       0    1,326   3,264  3,291  3,291  17,647   2,150   1,490       0     5     67    93   1,521    1,482  13,976 12,750  12,750    8.1%  8.3%  8.3%
05/08/04  13,196     197       0    1,264   3,210  3,281  3,277  17,867   2,150      99   1,428     5     67   105   1,569    1,502  14,148 12,996  12,925    8.2%  8.2%  8.5%
05/09/04  13,041     197       0    1,159   3,179  3,285  3,278  17,576   2,200     896     568     5     50    98   1,517    1,494  13,859 13,201  13,028    8.0%  8.1%  8.6%
05/10/04  12,791     197       0    1,065   3,285  3,289  3,288  17,338   2,200   1,494       0     5     90   104   1,513    1,495  13,625 13,386  13,088    8.1%  8.1%  8.6%
05/11/04  13,573     197       0      957   3,382  3,287  3,291  18,109   2,250   1,491       0     5     66   106   1,536    1,483  14,323 13,667  13,200    7.9%  8.0%  8.5%
05/12/04  14,193     197       0      855   3,321  3,269  3,287  18,566   2,300      98   1,282     5     57   104   1,432    1,455  14,834 14,004  13,336    7.1%  7.7%  8.2%
05/13/04  14,143     197       0      814   3,242  3,262  3,282  18,396   2,300     891     518     5     47   109   1,476    1,426  14,620 14,198  13,435    7.4%  7.5%  8.0%
05/14/04  13,995     197       0      723   3,216  3,241  3,266  18,131   2,350   1,489       0     5     58   112   1,548    1,426  14,233 14,235  13,492    7.9%  7.5%  8.0%
05/15/04  13,047     197       0      715   3,065  3,203  3,242  17,024   2,350   1,114       0     5     50   115   1,184    1,337  13,490 14,141  13,492    6.2%  7.2%  7.4%
05/16/04  12,230     197       0      702   2,909  3,144  3,219  16,038   2,400     795     736     5     50   116   1,602    1,378  12,036 13,880  13,401    9.2%  7.8%  7.7%
05/17/04  11,741     197       0      670   2,873  3,078  3,202  15,481   2,450     485   1,026     5     81   116   1,551    1,385  11,480 13,574  13,288    9.2%  8.2%  7.7%
05/18/04  11,428     197       0      665   2,919  3,008  3,181  15,209   2,450     493   1,015     3     80   121   1,552    1,517  11,207 13,129  13,172    9.4%  9.3%  8.4%
05/19/04  12,422     197       0      680   2,835  2,928  3,155  16,134   2,500     472   1,013     5     50   105   1,545    1,501  12,089 12,737  13,115    8.9%  9.2%  8.3%
05/20/04  12,295     197       0      674   2,682  2,828  3,123  15,848   2,550     392   1,013   208    119    95   1,589    1,466  11,709 12,321  13,045    8.1%  8.8%  8.1%
05/21/04  12,203     197       0      630   2,516  2,724  3,085  15,546   2,550     410   1,015   222    102    95   1,641    1,438  11,355 11,910  12,965    8.5%  8.5%  8.0%
05/22/04  11,922     197       0      618   2,331  2,611  3,041  15,068   2,600     441   1,014   215     76    98   1,692    1,428  10,776 11,522  12,865    9.2%  8.6%  7.9%
05/23/04  11,744     197       0      626   2,120  2,486  2,996  14,687   2,650     497   1,015   207     76   101   1,743    1,464  10,294 11,273  12,753    9.8%  9.1%  8.3%
05/24/04  12,120     197       0      623   2,001  2,346  2,952  14,941   2,700     492   1,015   218    128    99   1,696    1,491  10,545 11,139  12,661    9.2%  9.4%  8.5%
05/25/04  12,158     197       0      623   1,936  2,201  2,907  14,914   2,750     492   1,011   211     86   104   1,733    1,507  10,431 11,028  12,572    9.5%  9.5%  8.7%
05/26/04  12,235     197       0      621   1,822  2,067  2,862  14,875   2,750     474   1,013   212     62    97   1,734    1,499  10,391 10,786  12,488    9.6%  9.4%  8.9%
05/27/04  12,182     197       0      623   1,740  1,950  2,819  14,742   2,800     477   1,011   217     81    33   1,657    1,493  10,285 10,582  12,407    9.5%  9.5%  9.1%
05/28/04  11,764     197       0      605   1,702  1,863  2,780  14,268   2,850     480   1,586   214     90    72   2,262    1,680   9,156 10,268  12,291   13.8% 11.0% 10.4%
05/29/04  11,947     197       0      616   1,720  1,806  2,743  14,480   1,759     471   2,507   215     76    99   3,217    2,177   9,504 10,087  12,194   20.0% 14.5% 13.8%
05/30/04  12,584     197       0      635   1,722  1,776  2,712  15,138   1,809     441   3,296   209     76   102   3,972    2,927   9,357  9,953  12,100   24.2% 19.5% 18.9%
05/31/04  13,372     197       0      658   1,792  1,763  2,683  16,019   1,859     644   4,126   207     76   101   5,002    3,828   9,158  9,755  12,005   29.3% 24.7% 24.8%

  Total  385,602   6,123       0   25,034  84,642 87,770 96,665 501,401  72,027  23,313  29,737 3,342  2,218 3,047  57,220   50,064 372,154 382,137396,643  318.7%299.7%286.0%
Average   12,439     198       0      808   2,730  2,831  3,118  16,174   2,323     752     959   108     72    98   1,846    1,615  12,005 12,327           10.3%  9.7%  9.2%