06/24/03
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                May 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     (%)   (%)   (%)
05/01/03  40,831     252   4,913    2,436   3,319  3,265  3,277  51,751  (2,336)    602     854   246      6    27   1,724    1,472  52,364 39,407  52,364    2.8%  2.9%  4.4%
05/02/03  42,451     255   4,376    1,651   3,277  3,293  3,270  52,010  (2,336)    641     858   252     34    38   1,754    1,479  52,591 43,403  52,478    2.8%  2.8%  4.2%
05/03/03  44,706     257   4,265    1,524   3,263  3,311  3,290  54,015  (3,427)    643     857   255     34    43   1,764    1,485  55,678 47,518  53,544    2.7%  2.8%  4.0%
05/04/03  48,783     259   4,683    1,615   3,331  3,348  3,342  58,671     274     611     862   252     34    43   1,733    1,490  56,663 50,825  54,324    2.5%  2.7%  3.8%
05/05/03  53,502     261   4,340    2,083   3,498  3,366  3,365  63,684     274     618     858   262     25    43   1,755    1,483  61,655 53,940  55,790    2.3%  2.5%  3.5%
05/06/03  56,851     265   4,127    2,027   3,458  3,352  3,358  66,728     274     571     854   257      0    39   1,722    1,458  64,732 56,273  57,281    2.1%  2.3%  3.2%
05/07/03  59,304     268   3,901    1,833   3,318  3,337  3,337  68,624     324     648     857   258     21    43   1,785    1,469  66,515 58,600  58,600    2.2%  2.2%  3.0%
05/08/03  61,762     272   3,251    1,659   3,213  3,333  3,326  70,157   1,694     641     860   269     19    43   1,793    1,477  66,670 60,643  59,608    2.1%  2.1%  2.9%
05/09/03  62,394     275       0    1,620   3,251  3,338  3,323  67,540   2,200     643     855   280     10    43   1,810    1,501  63,530 62,206  60,044    2.2%  2.2%  2.7%
05/10/03  61,427     279       0    1,777   3,295  3,331  3,319  66,778   2,200     640     853   281     10    43   1,807    1,497  62,770 63,219  60,317    2.2%  2.2%  2.6%
05/11/03  58,880     282       0    1,547   3,285  3,316  3,326  63,994   2,250     626     854   279     10    46   1,795    1,490  59,950 63,689  60,283    2.3%  2.2%  2.5%
05/12/03  55,417     286       0    1,440   3,392  3,307  3,331  60,535   2,300     641     855   283    131    42   1,689    1,489  56,546 62,959  59,972    2.3%  2.3%  2.4%
05/13/03  51,050     282       0    1,434   3,392  3,294  3,323  56,158   2,300       0     732   282     83    49     980    1,236  52,877 61,265  59,426    1.2%  1.9%  1.9%
05/14/03  45,348     277       0    1,453   3,227  3,245  3,291  50,305   2,350     643     860   284     41    56   1,802    1,244  46,153 58,357  58,478    2.9%  2.1%  1.9%
05/15/03  39,955     273       0    1,499   2,875  3,160  3,249  44,602   2,350     645     859   283     76    64   1,776    1,246  40,476 54,615  57,278    3.2%  2.3%  2.0%
05/16/03  36,746     268       0    1,496   2,653  3,045  3,201  41,163   2,400     639     859   280     40    67   1,805    1,502  36,958 50,819  56,008    3.5%  3.2%  2.4%
05/17/03  35,355     264       0    1,487   2,488  2,909  3,150  39,594   2,450     650     860   287      0    79   1,875    1,504  35,268 46,890  54,788    3.8%  3.5%  2.5%
05/18/03  34,564     259       0    1,445   2,333  2,751  3,102  38,601   2,450     646     861   295      0    80   1,882    1,505  34,270 43,221  53,648    3.9%  3.7%  2.6%
05/19/03  33,875     255       0    1,391   2,289  2,604  3,063  37,810   2,500     646   1,447   294    104    86   2,368    1,703  32,942 39,849  52,558    5.3%  4.3%  3.0%
05/20/03  33,092     255       0    1,309   2,364  2,463  3,022  37,020   2,550     639   1,690   309    169    98   2,567    1,976  31,903 36,853  51,526    5.8%  5.0%  3.6%
05/21/03  32,184     254       0    1,245   2,239  2,354  2,979  35,922   2,550     536   1,690   315     53   106   2,594    2,216  30,778 34,657  50,538    6.1%  5.7%  4.2%
05/22/03  30,796     254       0    1,227   2,111  2,278  2,940  34,388   2,600     647   1,687   246     83   109   2,605    2,297  29,182 33,043  49,567    6.5%  6.1%  4.6%
05/23/03  29,307     253       0    1,217   2,121  2,218  2,902  32,898   2,650     648   1,690   153     74   107   2,525    2,300  27,723 31,724  48,617    6.9%  6.5%  4.9%
05/24/03  28,357     253       0    1,260   2,070  2,179  2,867  31,940   2,700     543   1,691   177     76   109   2,446    2,303  26,794 30,513  47,708    6.8%  6.7%  5.1%
05/25/03  27,123     252       0    1,277   2,059  2,149  2,835  30,711   2,750     590   1,692   175     76    99   2,481    2,285  25,480 29,258  46,819    7.2%  6.9%  5.4%
05/26/03  27,647     252       0    1,243   2,082  2,119  2,809  31,224   2,750     644   1,690   173      0   101   2,609    2,284  25,865 28,247  46,013    7.5%  7.1%  5.8%
05/27/03  28,091     250       0    1,191   2,151  2,091  2,781  31,683   2,800     647   1,745   183    229    99   2,445    2,336  26,438 27,466  45,288    6.8%  7.2%  6.0%
05/28/03  27,362     248       0    1,179   2,046  2,069  2,751  30,835   2,850     647   3,100   161    117   108   3,899    2,825  24,086 26,510  44,531   11.8%  8.7%  7.6%
05/29/03  26,861     246       0    1,331   1,952  2,058  2,727  30,390   2,900   2,695   3,619   186     69    92   6,523    4,151  20,967 25,336  43,718   20.5% 13.0% 11.6%
05/30/03  27,223     244       0    1,606   2,046  2,071  2,708  31,119   2,950   4,195   3,892   184    127    89   8,233    6,049  19,936 24,224  42,925   25.6% 19.3% 17.6%
05/31/03  28,158     242       0    2,026   2,162  2,089  2,691  32,588   3,000   6,673   4,386   193    126    97  11,222    8,486  18,366 23,020  42,133   33.5% 26.7% 25.1%

  Total 1,269,402  8,092  33,856   47,528  84,560 87,043 96,254 1,443,43 53,541  30,497  45,324 7,631  1,873 2,189  83,769   67,235 1,306,121,368,51,636,17 197.2%169.1%157.1%
Average   40,948     261   1,092    1,533   2,728  2,808  3,105  46,563   1,727     984   1,462   246     60    71   2,702    2,169  42,133 44,147            6.4%  5.5%  5.1%