08/24/09
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                July 2009
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     (%)     (%)    (%)
07/01/09 14,628    220     377      407    1,204   1,371  1,140  16,836  4,300   4,693   2,935   354    58     76   8,001    5,160   4,535   6,920  4,535   45.0%   31.9%  37.8%
07/02/09 16,002    220     377      328    1,140   1,301  1,064  18,067  4,300   4,997   4,004   378     0     83   9,462    6,962   4,305   6,548  4,420   49.8%   40.8%  49.6%
07/03/09 16,984    220     377      285     988    1,207  1,007  18,854  4,350   5,993   4,060   381     0     85   10,520   8,894   3,984   6,065  4,275   53.3%   49.5%  61.3%
07/04/09 17,210    220     409      290     893    1,109   974   19,022  4,350   5,997   4,064   381     0     78   10,520   9,705   4,152   5,513  4,244   52.9%   52.0%  64.5%
07/05/09 17,473    220     451      287     874    1,046   961   19,305  4,400   5,994   4,072   382    50     70   10,466  10,060   4,439   5,039  4,283   51.9%   52.7%  64.5%
07/06/09 18,106    220     459      290     912     996    962   19,987  4,400   6,289   3,638   381    203    69   10,173  10,018   5,414   4,847  4,471   48.7%   51.1%  61.7%
07/07/09 18,716    220     430      285     963     948    948   20,614  4,400   6,678   3,427   376    56     94   10,519  10,032   5,695   4,646  4,646   48.7%   49.7%  59.6%
07/08/09 18,641    220     431      271     867     914    942   20,430  4,400   6,671   3,435   370    59     97   10,513  10,046   5,517   4,786  4,755   49.2%   48.9%  57.6%
07/09/09 18,936    220     447      263     900     889    928   20,766  4,400   7,147   3,435   366    50     95   10,992  10,264   5,374   4,939  4,824   50.7%   49.5%  57.4%
07/10/09 19,006    220     488      262     814     872    912   20,790  4,400   7,142   3,466   363    56     96   11,011  10,432   5,379   5,138  4,879   50.8%   50.2%  56.9%
07/11/09 19,014    220     520      273     773     852    896   20,800  4,400   7,136   3,428   360    50     92   10,966  10,585   5,434   5,321  4,930   50.5%   50.7%  56.4%
07/12/09 19,382    220     521      280     734     832    886   21,137  4,400   7,176   3,430   358    50     83   10,996  10,593   5,741   5,507  4,997   49.9%   50.4%  55.1%
07/13/09 19,480    220     511      276     776     807    879   21,263  4,400   7,177   3,395   351    96     78   10,905  10,580   5,958   5,585  5,071   49.3%   49.9%  53.7%
07/14/09 19,633    220     492      267     787     788    868   21,399  4,400   7,178   3,457   354    67     88   11,010  10,604   5,989   5,627  5,137   49.4%   49.5%  52.8%
07/15/09 19,668    220     485      290     730     760    857   21,393  4,400   4,998   3,998   354    59     91   9,382   10,067   7,611   5,926  5,302   41.8%   46.8%  49.3%
07/16/09 19,884    220     472      297     704     719    836   21,577  4,400   4,994   4,340   335    59     98   9,707    9,655   7,470   6,226  5,437   43.0%   44.7%  46.7%
07/17/09 19,397    220     478      293     527     683    818   20,915  4,400   5,988   4,196   348    60     96   10,568   9,505   5,947   6,307  5,467   48.4%   44.4%  45.7%
07/18/09 18,685    220     476      272     525     659    804   20,178  4,400   7,176   4,096   350    50     92   11,664  10,263   4,114   6,119  5,392   55.6%   48.9%  49.2%
07/19/09 18,579    220     435      246     561     631    792   20,041  4,400   7,176   4,151   353    50     81   11,711  10,927   3,930   5,860  5,315   56.3%   53.4%  52.3%
07/20/09 18,484    220     418      270     581     601    782   19,973  4,350   7,167   4,179   357    50     81   11,734  11,315   3,889   5,564  5,244   56.6%   56.1%  54.1%
07/21/09 18,572    220     431     271      582    572    769   20,076   4,350   7,168   4,187   358    50    85   11,748   11,342   3,978  5,277   5,184   56.3%   56.4%  54.4%
07/22/09 18,826    220     486     257      526    549    759   20,315   4,350   7,066   4,112   352    57    82   11,556   11,293   4,409  4,820   5,148   54.7%   55.9%  54.1%
07/23/09 17,933    220     474     246      542    558    752   19,415   4,350   7,177   4,170   354    71    81   11,711   11,294   3,354  4,232   5,070   58.1%   56.4%  54.4%
07/24/09 17,881    220     471     208      586    564    744   19,366   4,350   4,947   4,194   353    50    91    9,534   10,555   5,482  4,165   5,087   46.9%   53.3%  51.0%
07/25/09 15,693    220     483     249      572    570    738   17,217   4,300   4,994   4,211   351    50    85    9,591   9,897    3,326  4,053   5,017   53.2%   52.7%  48.5%
07/26/09 17,388    220     472     258      598    574    733   18,936   4,300   4,989   4,198   350    50    90    9,577   9,177    5,059  4,214   5,019   48.2%   49.3%  45.3%
07/27/09 18,122    220     478     257      610    577    728   19,687   4,300   4,993   4,096   352    54    91    9,477   9,160    5,910  4,503   5,052   45.9%   48.9%  45.5%
07/28/09 17,903    220     476     259      604    581    722   19,462   4,250   5,477   4,256   349    64    69   10,087   9,336    5,125  4,666   5,054   49.7%   47.9%  46.6%
07/29/09 17,859    220     444     254      552    586    717   19,329   4,250   7,178   4,258   352    50    84   11,822   10,086   3,257  4,502   4,992   58.9%   51.5%  50.8%
07/30/09 18,032    220     438     239      580    585    713   19,509   4,250   6,675   4,259   357    79    79   11,292   10,701   3,967  4,590   4,958   55.6%   54.7%  54.3%
07/31/09 18,535    220     428     235      581    585    708   19,999   4,200   4,497   4,055   348    61    94    8,933   10,307   6,866  4,787   5,020   42.5%   52.2%  52.4%

  Total  564,652   6,820  14,135    8,465  22,586 24,285 26,340 616,658 134,900 192,927 121,199 11,133 1,766 2,654 326,148  308,816 155,610 162,294153,227  1571.7%1550.3%1643.7%
Average   18,215     220     456      273     729    783    850  19,892   4,352   6,223   3,910   359     57    86  10,521    9,962   5,020  5,235            50.7%  50.0%  53.0%