09/11/08
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                August 2008
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     (%)     (%)    (%)
08/01/08 11,320    200     735      219     803     813    865   13,277  4,200   1,999   3,689   254    71    120   5,991    5,592   3,086   3,470  3,086   42.3%   41.0%  39.5%
08/02/08 11,136    200     720      249     865     819    860   13,170  4,200   1,995   3,682   249    50    115   5,991    5,688   2,979   3,343  3,033   42.7%   42.1%  40.6%
08/03/08 11,092    200     733      301     854     818    846   13,180  4,150   1,988   3,675   236     0    121   6,020    5,676   3,010   3,253  3,025   43.0%   42.7%  41.1%
08/04/08 10,878    200     727      287     819     817    848   12,911  4,150   1,986   3,694   218    87    118   5,929    5,673   2,832   3,143  2,977   43.3%   43.0%  41.5%
08/05/08 10,822    200     722      260     855     827    850   12,859  4,100   1,590   3,683   219    54    113   5,551    5,539   3,208   3,123  3,023   40.6%   42.3%  41.0%
08/06/08 10,692    200     689      219     857     841    848   12,657  4,100   1,592   3,681   221    65    116   5,546    5,409   3,011   3,058  3,021   41.2%   41.7%  40.2%
08/07/08 10,418    200     697     224      835    838    838   12,374   4,050   1,594   3,682   229    67    116   5,556   5,274    2,768  2,985   2,985   42.1%   41.3%  39.5%
08/08/08 10,145    200     726     274      782    825    830   12,127   4,050   1,599   3,688   235    67    116   5,572   5,279    2,505  2,902   2,925   43.1%   42.1%  39.8%
08/09/08 10,020    200     730     322      771    819    828   12,043   4,000   1,591   3,131   233    50    110   5,015   5,095    3,028  2,909   2,936   38.8%   41.3%  38.7%
08/10/08 10,187    200     688     309      814    827    833   12,198   4,000   1,594   2,751   220    50    107   4,622   4,785    3,576  2,990   3,000   35.2%   39.0%  36.6%
08/11/08 10,591    200     646     266      874    839    843   12,577   3,950   1,595   2,762   220    71    114   4,621   4,475    4,006  3,157   3,092   34.1%   36.0%  34.4%
08/12/08 10,127    200     640     245      942    849    849   12,154   3,950   1,599   2,758   203    69    118   4,609   4,353    3,595  3,213   3,134   35.3%   34.8%  33.6%
08/13/08 10,313    200     634     249      925    853    850   12,321   3,900   1,599   2,776   166    74    116   4,583   4,363    3,838  3,331   3,188   34.9%   34.7%  33.9%
08/14/08 10,218    200     643     270      862    864    851   12,193   3,850   1,589   2,779   124    79    120   4,533   4,366    3,810  3,480   3,232   35.2%   35.1%  34.1%
08/15/08 10,120    200     655     284      863    876    851   12,122   3,850   1,591   2,772   150   101    118   4,530   4,368    3,742  3,656   3,266   35.2%   35.1%  34.3%
08/16/08 10,281    200     633     289      853    881    851   12,256   3,800   1,586   2,773   122    76    105   4,510   4,363    3,946  3,788   3,309   34.9%   35.1%  34.4%
08/17/08 10,306    200     628     252      851    883    853   12,237   3,800   1,591   2,790   149    50    120   4,600   4,368    3,837  3,825   3,340   35.4%   35.2%  34.7%
08/18/08 10,543    200     620     233      883    882    858   12,479   3,750   1,598   2,762   149    0     119   4,629   4,367    4,100  3,838   3,382   34.9%   35.1%  35.1%
08/19/08 10,571    200     605     223      934    881    861   12,533   3,700   1,136   3,416   145    41    114   4,769   4,431    4,064  3,905   3,418   36.0%   35.4%  35.8%
08/20/08 10,570    200     599     219      922    891    864   12,510   3,700   1,585   3,648   144    38    104   5,443   4,715    3,367  3,838   3,415   41.5%   37.5%  38.1%
08/21/08 10,624    200     608     225      928    892    865   12,585   3,650   1,597   3,673   150    53    110   5,478   5,018    3,457  3,788   3,417   41.5%   39.7%  40.4%
08/22/08 10,943    200     624     252      871    902    868   12,890   3,600   1,590   3,675   122    53    117   5,451   5,256    3,839  3,801   3,437   40.4%   41.1%  42.1%
08/23/08 11,458    200     631     274      928    897    865   13,491   3,600   1,592   3,682   121    50    115   5,460   5,270    4,431  3,871   3,480   38.7%   40.2%  41.8%
08/24/08 11,270    200     680     279      812    888    864   13,241   3,550   1,583   3,695   124    50    110   5,461   5,272    4,230  3,927   3,511   39.5%   39.5%  41.6%
08/25/08 11,382    200     692     262      824    879    864   13,360   3,500   2,500   4,076   127    0     111   6,813   5,709    3,047  3,776   3,492   49.2%   42.5%  45.1%
08/26/08 11,232    200     654     241      870    873    864   13,197   3,450   2,493   4,356   123    0     115   7,086   6,234    2,661  3,576   3,460   51.9%   46.9%  49.1%
08/27/08 11,689    200     586     233      881    862    864   13,589   3,450   2,499   4,356   118    58    110   7,025   6,760    3,114  3,540   3,448   50.0%   50.4%  52.8%
08/28/08 11,459    200     566     239      846    853    862   13,310   3,400   2,489   4,429   126    55    110   7,098   6,874    2,812  3,448   3,425   51.6%   51.1%  53.2%
08/29/08 11,570    200     530     259      812    843    862   13,371   3,350   2,495   4,403   131    25    110   7,113   6,890    2,908  3,315   3,407   51.4%   51.0%  52.9%
08/30/08 11,609    200     504     267      858    857    863   13,438   3,300   2,499   4,405   120    25    116   7,115   6,906    3,023  3,113   3,394   51.2%   51.4%  52.8%
08/31/08 11,441    200     497     261      910    881    867   13,309   3,250   2,488   4,378   102    0     120   7,088   6,889    2,971  2,933   3,381   51.6%   51.4%  52.5%

  Total  335,027   6,200  20,042    7,986  26,704 26,572 26,485 395,959 117,350  56,820 109,721 5,249  1,530 3,549 173,809  165,258 104,800 106,294100,639  1286.6%1275.7%1271.4%
Average   10,807     200     647      258     861    857    854  12,773   3,785   1,833   3,539   169     49   114   5,607    5,331   3,381  3,429            41.5%  41.2%  41.0%