08/07/03
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                July 2003
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     (%)   (%)   (%)
07/01/03  19,125     230       0    1,293   2,295  2,246  2,281  22,943   4,300   6,680   4,342   274     62   106  11,341   10,296   7,302  7,106   7,302   47.8% 46.1% 46.7%
07/02/03  19,692     229       0    1,268   2,281  2,214  2,126  23,470   4,300   6,674   4,339   268     88   106  11,299   11,017   7,871  7,157   7,587   46.5% 47.6% 50.3%
07/03/03  19,438     228       0    1,281   1,971  2,143  1,979  22,918   4,350   6,671   4,332   247     59   107  11,297   11,013   7,270  7,125   7,481   47.8% 47.4% 50.5%
07/04/03  19,349     226       0    1,290   1,685  2,058  1,893  22,550   4,350   6,678   4,340   261     50    98  11,326   11,011   6,874  7,207   7,330   48.6% 47.6% 50.7%
07/05/03  19,598     225       0    1,302   1,635  1,976  1,848  22,760   4,400   6,678   4,382   259     50    97  11,365   11,027   6,995  7,270   7,263   48.4% 48.2% 50.9%
07/06/03  19,347     224       0    1,299   1,670  1,890  1,822  22,540   4,400   6,666   4,411   249     50    99  11,375   11,052   6,765  7,138   7,180   48.9% 48.6% 51.1%
07/07/03  19,408     223       0    1,301   1,690  1,808  1,808  22,622   4,400   6,674   4,402   256    176   106  11,260   11,071   6,962  7,149   7,149   48.2% 48.5% 50.8%
07/08/03  19,538     223       0    1,282   1,721  1,713  1,784  22,764   4,400   7,173   4,311   262     75   101  11,771   11,212   6,593  7,047   7,079   50.1% 49.1% 51.1%
07/09/03  20,353     223       0    1,212   1,617  1,646  1,753  23,405   4,400   7,175   4,224   262     67   114  11,708   11,319   7,297  6,965   7,103   48.4% 48.9% 51.1%
07/10/03  20,814     223       0    1,105   1,506  1,609  1,720  23,648   4,400   7,171   4,244   274     88   106  11,707   11,432   7,541  7,004   7,147   47.9% 48.8% 51.1%
07/11/03  21,138     223       0    1,041   1,423  1,570  1,687  23,825   4,400   7,163   4,275   272     84   110  11,736   11,417   7,689  7,120   7,196   47.7% 48.0% 50.2%
07/12/03  21,565     223       0      976   1,363  1,531  1,664  24,127   4,400   7,131   4,315   228     76   109  11,709   11,433   8,018  7,267   7,265   47.1% 47.6% 49.5%
07/13/03  21,941     223       0      910   1,400  1,495  1,646  24,474   4,400   7,173   4,341   229     76   107  11,775   11,466   8,299  7,486   7,344   46.7% 47.2% 49.1%
07/14/03  22,683     223       0      592   1,434  1,452  1,630  24,932   4,400   7,175   4,302   233     17   108  11,802   11,479   8,730  7,738   7,443   46.0% 46.6% 48.9%
07/15/03  23,177     223       0      485   1,424  1,411  1,610  25,309   4,400   7,171   4,353   231     63   104  11,797   11,505   9,112  8,098   7,555   45.3% 46.0% 48.7%
07/16/03  23,320     223       0      448   1,330  1,383  1,591  25,321   4,400   7,060   4,338   228     69   113  11,671   11,467   9,250  8,377   7,661   44.7% 45.3% 48.3%
07/17/03  23,646     223       0      552   1,305  1,369  1,575  25,726   4,400   6,613   4,349   232     67   112  11,240   11,295  10,086  8,741   7,803   42.4% 44.1% 47.1%
07/18/03  23,296     223       0      512   1,325  1,366  1,562  25,356   4,400   6,473   4,395   245     77   106  11,143   11,077   9,813  9,044   7,915   42.6% 43.2% 45.7%
07/19/03  22,780     223       0      602   1,343  1,368  1,554  24,948   4,400   6,502   4,498   247     60   107  11,293   10,943   9,255  9,221   7,985   43.8% 42.9% 44.9%
07/20/03  22,495     223       0      617   1,412  1,358  1,545  24,747   4,350   6,615   4,416   240     60   108  11,320   10,966   9,077  9,332   8,040   44.3% 43.6% 44.7%
07/21/03  22,809     223       0      733   1,366  1,348  1,536  25,131   4,350   6,625   4,364   247     81   108  11,263   11,006   9,518  9,444   8,110   43.4% 43.9% 44.6%
07/22/03  23,028     223       0      627   1,352  1,348  1,527  25,230   4,350   6,637   4,384   118     64   112  11,187   11,014   9,693  9,527   8,182   43.4% 43.7% 44.3%
07/23/03  22,950     224       0      562   1,333  1,343  1,516  25,069   4,350   6,655   4,384   302     68   112  11,386   11,016   9,333  9,539   8,232   43.8% 43.5% 44.1%
07/24/03  23,520     224       0      440   1,273  1,341  1,507  25,457   4,350   6,670   4,353   319     80   110  11,373   11,028   9,734  9,489   8,295   43.0% 43.4% 43.9%
07/25/03  23,671     225       0      415   1,305  1,339  1,500  25,616   4,300   6,670   4,356   327     90   109  11,372   11,030   9,943  9,508   8,361   42.7% 43.1% 43.6%
07/26/03  23,560     225       0      415   1,330  1,325  1,493  25,530   4,300   6,657   3,779   322     60   107  10,804   10,829  10,426  9,675   8,440   40.6% 42.1% 42.7%
07/27/03  24,317     226       0      467   1,318  1,337  1,491  26,328   4,300   6,672   3,511   304     60   108  10,535   10,549  11,492 10,020   8,553   38.5% 40.6% 41.4%
07/28/03  24,562     226       0      614   1,445  1,350  1,489  26,847   4,250   5,993   3,530   296     94   105   9,831   10,048  12,766 10,484   8,704   35.1% 38.0% 39.2%
07/29/03  24,876     226       0      702   1,444  1,369  1,489  27,248   4,250   5,986   3,500   259     65   103   9,784    9,731  13,214 10,987   8,859   34.6% 36.0% 37.7%
07/30/03  25,288     228       0      704   1,466  1,386  1,485  27,686   4,250   5,999   3,444   258     77   102   9,727    9,484  13,708 11,612   9,021   33.8% 34.5% 36.5%
07/31/03  25,464     229       0      717   1,396  1,394  1,481  27,806   4,200   5,989   3,446   241     59    97   9,715    9,455  13,891 12,206   9,178   33.7% 34.0% 36.2%

  Total  686,748   6,963       0   25,764  46,858 48,484 51,592 766,333 134,900 207,868 129,962 7,991  2,213 3,302 346,911  338,686 284,522 266,086242,766 1365.8%1378.21435.5%
Average   22,153     225       0      831   1,512  1,564  1,664  24,720   4,352   6,705   4,192   258     71   107  11,191   10,925   9,178  8,583           44.1% 44.5% 46.3%