10/13/06
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                September 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     (%)     (%)    (%)
09/01/06 18,149    216     316      540    3,232   3,305  3,164  22,453  3,200   7,178   4,456   231    76    111   11,901  11,527   7,352   7,771  7,352   51.5%   51.5%  49.2%
09/02/06 18,153    215     321     529     3,164  3,283  3,177  22,382   3,200   7,177   4,426   223    50    111  11,887   11,617   7,295  7,624   7,324   51.6%   51.8%  49.7%
09/03/06 18,202    213     339     517     3,190  3,269  3,230  22,461   3,150   7,170   4,408   225    50    103  11,856   11,605   7,455  7,498   7,368   51.3%   51.5%  49.7%
09/04/06 18,285    212     318     518     3,335  3,268  3,286  22,668   3,100   7,175   4,422   223    50    103  11,873   11,593   7,695  7,421   7,449   50.9%   51.3%  49.8%
09/05/06 18,367    211     281     505     3,456  3,286  3,306  22,820   3,050   7,175   4,375   235    0     106  11,891   11,575   7,879  7,418   7,535   50.6%   51.0%  50.0%
09/06/06 18,635    210     284     493     3,385  3,280  3,289  23,007   3,000   7,173   4,419   223    0     110  11,925   11,580   8,081  7,533   7,626   50.4%   50.6%  50.2%
09/07/06 18,384    208     305     482     3,201  3,224  3,224  22,580   2,950   7,201   4,427   225    8     103  11,948   11,590   7,683  7,634   7,634   51.5%   50.8%  50.6%
09/08/06 18,514    207     307     488     2,834  3,153  3,154  22,350   2,900   7,170   4,428   226    27    98   11,894   11,606   7,556  7,663   7,625   51.8%   51.2%  50.9%
09/09/06 18,258    207     311     485     2,670  3,080  3,101  21,931   2,900   7,176   4,409   231    25    106  11,897   11,603   7,134  7,640   7,570   52.7%   52.0%  51.1%
09/10/06 19,293    207     311     470     2,678  2,990  3,062  22,959   2,850   7,175   4,402   231    0     102  11,910   11,586   8,199  7,747   7,633   50.4%   51.6%  51.2%
09/11/06 19,480    207     313     473     2,709  2,886  3,032  23,182   2,800   7,162   4,392   226    29    99   11,850   11,572   8,532  7,866   7,715   49.7%   50.9%  51.1%
09/12/06 19,600    207     288     474     2,726  2,822  3,024  23,295   2,750   7,169   4,388   222    25    106  11,861   11,563   8,684  7,981   7,796   49.5%   49.9%  51.1%
09/13/06 19,600    207     265     466     2,934  2,792  3,021  23,472   2,700   6,567   4,413   194    64    114  11,225   11,364   9,547  8,191   7,930   46.5%   48.6%  49.9%
09/14/06 19,682    207     264     435     2,996  2,816  3,020  23,584   2,650   7,170   4,433   196    63    103  11,839   11,380   9,095  8,393   8,013   48.9%   48.3%  49.7%
09/15/06 19,500    207     256     441     2,999  2,876  3,025  23,403   2,600   7,172   4,423   206    53    98   11,846   11,392   8,957  8,593   8,076   49.3%   48.3%  49.6%
09/16/06 20,499    207     241     444     3,091  2,933  3,028  24,482   2,600   7,169   4,383   197    25    101  11,825   11,583  10,057  9,010   8,200   47.1%   48.4%  50.1%
09/17/06 20,145    207     240     417     3,076  2,994  3,034  24,085   2,550   7,171   4,345   193    25    107  11,791   11,554   9,744  9,231   8,291   47.7%   48.0%  49.8%
09/18/06 20,109    207     236     422     3,135  3,046  3,037  24,109   2,500   7,174   3,822   191    58    104  11,232   11,355  10,377  9,494   8,407   45.4%   46.7%  48.7%
09/19/06 19,963    207     232     432     3,093  3,051  3,034  23,927   2,450   7,172   4,109   167    60    97   11,486   11,265   9,991  9,681   8,490   46.9%   46.7%  48.1%
09/20/06 19,946    207     220     437     2,969  3,041  3,028  23,779   2,450   7,169   4,495   135    41    101  11,858   11,314   9,471  9,670   8,539   48.9%   47.0%  48.2%
09/21/06 19,650    207     219     459     2,923  3,049  3,030  23,458   2,400   7,171   4,404   219    32    104  11,867   11,507   9,191  9,684   8,570   49.2%   48.3%  48.9%
09/22/06 19,053    207     220     708     3,056  3,062  3,036  23,244   2,350   7,147   4,397   230    32    100  11,843   11,595   9,051  9,697   8,592   49.5%   49.2%  49.2%
09/23/06 18,626    207     205    1,055    3,181  3,084  3,045  23,274   2,350   6,830   4,391   232    30    98   11,521   11,447   9,403  9,604   8,627   48.1%   48.9%  48.4%
09/24/06 17,988    207     202    1,045    3,232  3,099  3,053  22,674   2,300   6,785   4,399   228    30    105  11,487   11,316   8,887  9,482   8,638   49.2%   48.9%  47.9%
09/25/06 17,600    207     202    1,079    3,242  3,120  3,060  22,330   2,250   7,155   4,376   233    67    105  11,801   11,311   8,279  9,182   8,624   51.3%   49.5%  47.9%
09/26/06 17,286    207     202    1,116    3,234  3,138  3,062  22,045   2,250   7,156   4,374   230    29    103  11,833   11,414   7,962  8,892   8,598   52.2%   50.9%  48.6%
09/27/06 16,939    207     205    1,371    3,098  3,149  3,060  21,820   2,200   7,170   4,419   217    39    94   11,861   11,549   7,759  8,647   8,567   52.9%   52.1%  49.4%
09/28/06 16,690    207     212    1,399    3,002  3,137  3,056  21,510   2,200   7,170   4,378   216    32    92   11,824   11,555   7,486  8,404   8,529   53.5%   52.9%  49.8%
09/29/06 16,081    207     228    1,369    2,968  3,120  3,057  20,853   2,150   7,178   4,306   193    57    92   11,712   11,540   6,991  8,110   8,476   54.8%   53.7%  50.1%
09/30/06 14,900    207     216    1,122    3,062  3,101  3,058  19,507   2,150   7,170   4,300   185    40    89   11,704   11,501   5,653  7,574   8,382   58.6%   55.6%  50.7%


  Total  557,577   6,246   7,759   20,191  91,871 92,454 92,792 683,644  78,950 213,796 131,118 6,384  1,120 3,068 353,246  344,960 251,448 253,335242,178  1512.0%1506.2%1489.3%
Average   18,586     208     259      673   3,062  3,082  3,093  22,788   2,632   7,127   4,371   213     37   102  11,775   11,499   8,382  8,445            50.4%  50.2%  49.6%