11/02/10
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                August 2010
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     (%)     (%)    (%)
08/01/10 18,426    210     633      593    1,267   1,304  1,272  21,129  4,200   5,194   4,183   271    76    100   9,672   10,266   7,257   6,831  7,257   44.0%   48.2%  48.0%
08/02/10 18,470    210     626      577    1,272   1,299  1,302  21,155  4,200   7,172   4,179   207     0     98   11,656  10,324   5,299   6,467  6,278   53.7%   48.6%  48.3%
08/03/10 18,359    210     630      552    1,331   1,277  1,262  21,082  4,150   7,175   4,192   210    37    100   11,641  10,698   5,291   6,258  5,949   53.7%   50.5%  50.1%
08/04/10 18,397    210     629      578    1,182   1,249  1,227  20,996  4,150   7,172   4,194   216    76    110   11,617  11,362   5,229   5,986  5,769   53.8%   53.7%  53.2%
08/05/10 17,833    210     619      581    1,123   1,229  1,210  20,366  4,100   7,172   4,186   219     0    108   11,686  11,364   4,580   5,657  5,531   55.8%   54.4%  53.3%
08/06/10 17,684    210     603      518    1,142   1,210  1,201  20,157  4,100   7,173   4,165   204    48    108   11,602  11,354   4,455   5,505  5,352   56.0%   55.2%  53.5%
08/07/10 17,898    210     582      476    1,155   1,202  1,202  20,321  4,050   7,170   4,179   192     0    107   11,647  11,348   4,624   5,248  5,248   55.8%   55.9%  53.8%
08/08/10 17,890    210     571      423    1,207   1,192  1,202  20,301  4,050   7,177   4,177   201    25     90   11,620  11,347   4,631   4,873  5,171   55.8%   55.9%  54.0%
08/09/10 17,632    210     540      387    1,206   1,176  1,204  19,975  4,000   7,179   4,165   170    108    86   11,492  11,349   4,483   4,756  5,094   56.3%   56.0%  54.1%
08/10/10 17,429    210     562      354    1,214   1,172  1,199  19,769  4,000   7,118   4,135   128     8     99   11,472  11,317   4,297   4,614  5,015   56.9%   56.3%  54.3%
08/11/10 17,048    210     579      311    1,160   1,166  1,188  19,308  3,950   7,169   4,175   168    60    105   11,557  11,314   3,801   4,410  4,904   58.4%   57.2%  54.7%
08/12/10 16,462    210     583      288    1,075   1,155  1,178  18,618  3,950   7,115   4,192   203    50    101   11,561  11,301   3,107   4,200  4,754   60.5%   58.6%  55.2%
08/13/10 16,603    210     617      306    1,070   1,143  1,170  18,806  3,900   6,782   4,175   183    59    105   11,186  11,203   3,720   4,095  4,675   58.0%   58.9%  55.1%
08/14/10 16,377    210     619      325    1,070   1,127  1,164  18,601  3,850   5,993   4,120   178    50     98   10,340  10,793   4,411   4,064  4,656   54.1%   57.5%  53.6%
08/15/10 16,363    210     591      350    1,093   1,108  1,158  18,607  3,850   5,753   4,152   190     0    108   10,204  10,326   4,553   4,053  4,649   53.2%   55.1%  51.8%
08/16/10 16,531    210     574      359    1,074   1,087  1,153  18,748  3,800   7,170   4,075   194    52    100   11,487  10,421   3,461   3,907  4,575   59.7%   55.7%  52.8%
08/17/10 16,482    210     581      345    1,070   1,079  1,150  18,688  3,800   7,170   4,161   190    50    104   11,575  10,827   3,313   3,766  4,501   60.4%   57.8%  55.3%
08/18/10 16,103    210     576      324    1,100   1,082  1,147  18,313  3,750   7,171   4,059   191    46    110   11,485  11,269   3,078   3,663  4,422   61.1%   60.4%  58.0%
08/19/10 16,380    210     584      296    1,099   1,083  1,143  18,569  3,700   6,921   4,138   190    77     93   11,265  11,207   3,604   3,734  4,379   59.1%   60.2%  58.1%
08/20/10 16,514    210     576      308    1,074   1,094  1,143  18,682  3,700   6,498   4,101   193    70    103   10,825  10,963   4,157   3,797  4,368   56.4%   58.8%  57.1%
08/21/10 16,508    210     581      351    1,145   1,100  1,143  18,795  3,650   6,490   4,102   190    55    109   10,836  10,750   4,309   3,782  4,365   56.1%   57.2%  56.3%
08/22/10 16,174    210     625      350    1,139   1,109  1,143  18,498  3,600   6,797   4,083   189    50    102   11,120  10,690   3,778   3,671  4,338   58.5%   57.0%  56.4%
08/23/10 16,122    210     580      349    1,136   1,125  1,144  18,397  3,600   6,965   4,048   189    70    114   11,247  10,829   3,550   3,684  4,304   59.5%   58.0%  57.5%
08/24/10 15,566    210     579      335    1,179   1,122  1,142  17,869  3,550   6,988   4,096   216    50    111   11,361  10,993   2,958   3,633  4,248   61.7%   59.9%  58.8%
08/25/10 15,276    210     556      254    1,083   1,114  1,138  17,379  3,500   6,500   4,170   223    63    120   10,950  10,923   2,929   3,612  4,195   61.0%   60.7%  58.8%
08/26/10 14,846    210     537      245    1,039   1,107  1,133  16,877  3,450   6,200   4,136   211    70    120   10,596  10,697   2,831   3,502  4,142   60.8%   61.2%  58.0%
08/27/10 14,649    210     552      250    1,025   1,093  1,130  16,686  3,450   6,194   4,134   181    64    108   10,554  10,444   2,682   3,291  4,088   61.5%   61.1%  57.0%
08/28/10 14,734    210     565      251    1,048   1,080  1,127  16,808  3,400   5,601   4,135    49    50    104   9,839   10,133   3,569   3,185  4,070   57.6%   60.0%  55.8%
08/29/10 14,200    210     592      295    1,052   1,089  1,130  16,349  3,350   5,677   4,093    15    50    106   9,841    9,945   3,158   3,097  4,038   59.5%   59.5%  55.2%
08/30/10 14,513    210     578      278    1,197   1,108  1,136  16,776  3,300   5,692   4,058    15    52    108   9,822    9,752   3,654   3,112  4,026   57.8%   58.3%  54.6%
08/31/10 14,072    210     561      269    1,314   1,149  1,143  16,426  3,250   6,512   4,099    19    55    104   10,679  10,044   2,497   3,046  3,976   64.3%   60.5%  56.8%

  Total  511,541   6,510  18,181   11,478  35,341 35,631 36,381 583,051 117,350 207,061 128,260 5,393  1,524 3,244 342,435  335,552 123,266 133,499148,336  1781.0%1768.3%1699.2%
Average   16,501     210     586      370   1,140  1,149  1,174  18,808   3,785   6,679   4,137   174     49   105  11,046   10,824   3,976  4,306   4,785    57.5%  57.0%  54.8%