10/20/09
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                September 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     (%)     (%)    (%)
09/01/09 14,014    220      0       180     716     624    688   15,130  3,200   4,194   4,066   117    34     82   8,425    8,299   3,505   2,938  3,505   54.4%   55.0%  56.4%
09/02/09 14,155    220      0       164     688     636    669   15,227  3,200   3,498   4,088   139     0     79   7,804    8,047   4,223   3,199  3,864   49.8%   53.2%  54.5%
09/03/09 13,410    220     161      154     649     648    657   14,594  3,150   3,498   4,121   160    42     84   7,821    7,822   3,623   3,376  3,784   51.9%   52.0%  52.8%
09/04/09 13,411    220     114      162     633     658    650   14,540  3,100   3,499   4,122   160    34     91   7,837    7,608   3,603   3,498  3,739   52.2%   51.3%  51.3%
09/05/09 13,583    220     112      187     631     649    634   14,733  3,050   3,492   4,109   160     0     83   7,844    7,614   3,839   3,606  3,759   51.6%   51.9%  51.4%
09/06/09 13,432    220     118      211     567     639    627   14,548  3,000   3,496   4,101   160     0     79   7,836    7,606   3,712   3,673  3,751   52.2%   52.0%  51.4%
09/07/09 12,891    220     121      202     592     626    626   14,026  2,950   3,493   4,099   153     0     72   7,816    7,597   3,260   3,681  3,681   54.1%   52.6%  51.6%
09/08/09 12,455    220     122      203     623     607    617   13,623  2,900   3,494   4,081   147     0     70   7,791    7,588   2,932   3,599  3,587   55.6%   53.9%  51.9%
09/09/09 11,709    220     121      183     552     591    609   12,785  2,900   3,493   4,097   141    157    77   7,651    7,585   2,234   3,315  3,437   58.1%   55.9%  51.9%
09/10/09 10,909    220      61      181     542     581    603   11,913  2,850   3,495   4,137   141    55     95   7,813    7,599   1,250   2,976  3,218   63.6%   58.9%  52.5%
09/11/09 11,327    220      0       183     557     572    600   12,287  2,800   2,992   4,122   134    41     96   7,303    7,445   2,184   2,773  3,124   57.6%   59.7%  52.0%
09/12/09 11,047    220      0       194     570     581    603   12,031  2,750   2,986   4,114   141    40     60   7,260    7,282   2,021   2,513  3,032   58.7%   59.9%  51.8%
09/13/09 10,571    220      0       207     630     614    620   11,628  2,700   2,489   4,114   129    40     60   6,751    6,939   2,177   2,294  2,966   56.4%   57.6%  50.3%
09/14/09 11,426    220      0       196     822     668    647   12,664  2,650   2,484   4,106   119    66     72   6,717    6,764   3,297   2,299  2,990   51.5%   55.5%  49.6%
09/15/09 12,045    220      0       220    1,000    747    677   13,485   774    2,495   4,105   111     0     62   6,773    6,598   5,938   2,729  3,187   48.9%   52.1%  48.8%
09/16/09 11,820    220      0       138    1,106    836    708   13,284   774    2,998   4,111   137    56     46   7,237    6,767   5,273   3,163  3,317   53.1%   51.2%  50.6%
09/17/09 11,385    220      0       132    1,170    919    733   12,907   724    2,949   4,100   136    36     70   7,219    6,920   4,964   3,693  3,414   54.3%   52.1%  52.3%
09/18/09 11,100    220      0       146    1,136    995    754   12,602   674    2,490   4,101   137    39     75   6,764    6,917   5,164   4,119  3,511   52.0%   53.2%  52.7%
09/19/09 10,692    220      0       169    1,099   1,064   773   12,180   624    2,499   4,112   142     0     85   6,838    6,750   4,718   4,504  3,575   54.3%   53.5%  52.3%
09/20/09 10,219    220      0       185    1,116   1,108   791   11,740  2,450   1,991   4,100   146    25     77   6,288    6,431   3,002   4,622  3,546   51.7%   52.7%  50.7%
09/21/09  9,627    220      0       202    1,132   1,125   806   11,181  2,400   1,992   3,835   133     0     60   6,020    6,176   2,761   4,546  3,509   52.1%   52.7%  49.5%
09/22/09  9,798    220      0      185     1,116  1,122   819   11,319   2,350   1,996   3,804   150    64    48    5,934   5,906    3,035  4,131   3,487   50.7%   51.5%  47.8%
09/23/09  9,711    220      0      183     1,082  1,102   828   11,196   2,350    993    4,259   160    0     59    5,471   5,627    3,375  3,860   3,482   46.9%   49.9%  46.0%
09/24/09  9,570    220      0      171     1,030  1,082   835   10,991   2,300    995    4,127   156    43    54    5,289   5,392    3,402  3,636   3,479   46.2%   48.0%  44.2%
09/25/09  9,201    220      0      182     1,002  1,070   842   10,605   2,250    997    4,126   147    50    90    5,310   5,166    3,045  3,334   3,461   47.8%   47.0%  42.8%
09/26/09  9,198    220      0      215     1,015  1,065   851   10,648   2,250    991    4,107   135    24    79    5,288   5,114    3,110  3,104   3,448   47.7%   47.2%  42.7%
09/27/09  8,984    220      0      274     1,076  1,064   861   10,554   2,200    969    4,101   130    25    74    5,249   5,097    3,105  3,119   3,435   47.8%   47.8%  42.9%
09/28/09  8,627    220      0      138     1,124  1,064   871   10,109   2,200    948    4,124   133    46    70    5,230   5,080    2,679  3,107   3,408   49.7%   48.4%  43.4%
09/29/09  7,888    220      0      143     1,122  1,066   878    9,373   2,150    983    4,125   140    32    71    5,287   5,084    1,936  2,950   3,357   54.2%   50.4%  44.5%
09/30/09  8,700    220      0      148     1,092  1,067   884   10,160   2,150    995    4,104   141    26    83    5,297   5,093    2,713  2,856   3,336   49.9%   51.2%  45.5%


  Total
Average   11,097     220      31      181     873    840    725  12,402   2,327   2,463   4,094   141     33    73   6,739    6,664   3,336  3,374            52.5%  52.6%  49.5%