09/29/06
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                August 2006
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     (%)     (%)    (%)
08/01/06 20,370    214     519     1,350   4,070   3,978  4,005  26,523  4,200   6,484   4,448   263    73    112   11,234  11,315   11,089 10,931  11,089  40.9%   42.7%  42.3%
08/02/06 22,097    214     519    1,362    4,005  3,986  3,992  28,197   4,200   7,177   4,465   279    73    113  11,962   11,357  12,035  11,021 11,562   41.0%   41.8%  42.1%
08/03/06 22,129    215     519    1,349    3,978  3,979  3,966  28,190   4,150   7,166   4,498   273    50    114  12,001   11,413  12,039  11,115 11,721   41.2%   41.1%  42.1%
08/04/06 21,794    215     516    1,347    3,915  3,970  3,943  27,787   4,150   7,176   4,483   279    50    119  12,007   11,655  11,630  11,148 11,698   41.8%   41.3%  42.8%
08/05/06 20,298    215     496    1,345    3,873  3,951  3,919  26,227   4,100   7,176   4,436   313    50    120  11,995   11,645  10,132  11,049 11,385   44.1%   42.3%  42.8%
08/06/06 19,710    215     493    1,368    3,826  3,936  3,913  25,612   4,100   7,170   4,406   313    0     116  12,006   11,616   9,507  10,961 11,072   45.2%   43.6%  42.9%
08/07/06 19,589    216     481    1,375    3,883  3,928  3,928  25,544   4,050   7,178   4,398   273    44    112  11,917   11,588   9,576  10,858 10,858   45.1%   44.8%  42.9%
08/08/06 18,589    216     468    1,375    4,016  3,909  3,921  24,664   4,050   7,174   4,388   280    38    107  11,910   11,571   8,704  10,518 10,589   46.7%   45.7%  43.1%
08/09/06 19,006    216     443    1,227    3,869  3,880  3,905  24,761   4,000   7,177   4,336   269    50    110  11,841   11,550   8,920  10,073 10,404   46.3%   46.0%  43.3%
08/10/06 18,950    216     430    1,052    3,777  3,857  3,890  24,425   4,000   7,171   4,314   257    70    105  11,777   11,520   8,648  9,588  10,228   46.7%   46.6%  43.5%
08/11/06 19,119    216     429     823     3,756  3,844  3,880  24,343   3,950   7,179   4,452   258    68    119  11,940   11,543   8,453  9,134  10,067   47.5%   46.8%  44.0%
08/12/06 18,885    216     425     716     3,781  3,833  3,869  24,023   3,950   7,172   4,449   292    50    118  11,981   11,579   8,092  8,843   9,902   48.2%   47.5%  44.4%
08/13/06 18,950    216     430     663     3,747  3,819  3,863  24,006   3,900   7,088   4,446   288    0     118  11,940   11,595   8,166  8,651   9,769   48.0%   47.9%  44.9%
08/14/06 19,037    216     445     636     3,787  3,774  3,851  24,121   3,850   6,985   4,466   256    34    115  11,788   11,535   8,483  8,495   9,677   47.3%   47.8%  44.9%
08/15/06 18,462    216     452     626     3,703  3,702  3,819  23,459   3,850   7,176   4,448   229    67    105  11,891   11,536   7,718  8,354   9,546   49.3%   48.2%  45.3%
08/16/06 18,495    216     449     612     3,366  3,628  3,784  23,138   3,800   7,175   4,426   235    61    109  11,883   11,558   7,455  8,145   9,415   49.9%   48.8%  46.0%
08/17/06 18,495    216     440     616     3,259  3,559  3,754  23,026   3,800   7,175   4,389   267    62    107  11,876   11,596   7,350  7,960   9,294   50.0%   49.7%  46.8%
08/18/06 18,600    216     410     605     3,273  3,499  3,732  23,104   3,750   7,178   4,442   264    70    117  11,932   11,595   7,422  7,812   9,190   50.0%   49.9%  47.4%
08/19/06 18,600    216     418     610     3,360  3,454  3,716  23,204   3,700   7,168   4,422   255    50    114  11,909   11,591   7,595  7,741   9,106   49.7%   49.9%  47.8%
08/20/06 18,600    216     427     598     3,427  3,417  3,707  23,268   3,700   7,168   4,401   246    50    106  11,870   11,593   7,698  7,674   9,036   49.5%   49.7%  48.2%
08/21/06 18,600    216     427     597     3,532  3,391  3,698  23,372   3,650   7,174   4,382   238    50    108  11,851   11,571   7,871  7,587   8,980   49.2%   49.5%  48.4%
08/22/06 19,000    216     405     577     3,520  3,396  3,684  23,718   3,600   7,170   4,364   230    63    108  11,809   11,553   8,309  7,671   8,950   48.4%   49.0%  48.5%
08/23/06 19,417    216     379     575     3,402  3,403  3,668  23,989   3,600   7,172   4,331   225    34    106  11,800   11,531   8,589  7,833   8,934   47.8%   48.5%  48.5%
08/24/06 19,694    216     361     566     3,305  3,401  3,651  24,142   3,550   7,175   3,437   249    33    101  10,929   11,216   9,663  8,164   8,964   43.8%   46.7%  47.3%
08/25/06 19,619    216     362     556     3,260  3,388  3,636  24,013   3,500   7,179   4,471   246    26    108  11,978   11,255   8,535  8,323   8,947   48.4%   46.7%  47.5%
08/26/06 19,339    216     361     537     3,272  3,377  3,625  23,725   3,450   7,174   4,454   240    25    110  11,954   11,297   8,321  8,426   8,923   48.9%   47.0%  47.8%
08/27/06 19,178    216     452     554     3,347  3,362  3,617  23,747   3,450   7,174   4,458   236    25    114  11,957   11,637   8,340  8,518   8,901   48.9%   48.7%  49.3%
08/28/06 18,884    216     434     557     3,430  3,354  3,612  23,521   3,400   7,173   4,454   217    70    110  11,885   11,629   8,236  8,570   8,878   49.1%   49.0%  49.3%
08/29/06 18,536    216     389     547     3,465  3,334  3,600  23,153   3,350   7,171   4,439   237    49    107  11,905   11,623   7,898  8,512   8,844   49.9%   49.3%  49.2%
08/30/06 17,841    216     352     541     3,258  3,324  3,588  22,208   3,300   6,891   4,442   245    51    106  11,631   11,523   7,277  8,324   8,792   50.8%   49.9%  48.9%
08/31/06 17,783    216     348     535     3,239  3,320  3,576  22,121   3,250   7,170   4,445   230    51    106  11,900   11,519   6,971  7,940   8,733   52.3%   51.0%  49.1%

  Total  597,666   6,688  13,479   25,797 111,701 112,955117,308755,331 117,350 221,134 136,187 7,982  1,490 3,445 367,259  357,304 270,722 279,941303,453  1466.0%1457.5%1421.3%
Average   19,280     216     435      832   3,603  3,644  3,784  24,366   3,785   7,133   4,393   257     48   111  11,847   11,526   8,733  9,030            47.3%  47.0%  45.8%