08/05/09
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                June 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     (%)     (%)    (%)
06/01/09 12,376    220     617      525    1,558   1,668  1,608  15,296  3,050    486    1,002   290    50    101   1,829    1,102   10,417 10,680  10,417   9.4%   7.1%   6.7%
06/02/09 12,542    220     620      511    1,608   1,627  1,594  15,501  3,100    490    1,007   296    50     97   1,839    1,156   10,562 10,692  10,490   9.3%   7.3%   7.1%
06/03/09 12,529    220     660      480    1,580   1,596  1,579  15,469  3,150    497    1,008   307    50     97   1,859    1,497   10,460 10,658  10,480   9.4%   9.4%   9.3%
06/04/09 12,429    220     660      470    1,548   1,562  1,543  15,327  3,200    492    1,010   302    295   107   1,616    1,501   10,511 10,490  10,488   7.9%   8.9%   8.9%
06/05/09 12,231    220     647      444    1,435   1,529  1,510  14,977  3,022    497    1,009   320    76    109   1,859    1,504   10,096 10,433  10,409   9.5%   8.9%   8.9%
06/06/09 12,794    220     583      451    1,381   1,497  1,487  15,429  3,072    494    1,003   421    76    101   1,944    1,502   10,414 10,475  10,410   9.2%   8.9%   8.8%
06/07/09 12,817    220     546      497    1,367   1,479  1,479  15,447  3,122    483    1,006   331    76     96   1,840    1,497   10,485 10,421  10,421   9.2%   9.3%   9.3%
06/08/09 13,127    220     500      467    1,436   1,456  1,475  15,750  3,172    484    1,007   332    76     96   1,843    1,492   10,735 10,466  10,460   9.0%   9.1%   9.2%
06/09/09 13,655    220     483      481    1,444   1,428  1,465  16,283  3,222    496    1,007   327    61    102   1,871    1,494   11,190 10,556  10,541   8.9%   9.0%   9.2%
06/10/09 13,808    220     456      446    1,385   1,395  1,450  16,315  3,500    483    1,015   320    25    100   1,893    1,497   10,922 10,622  10,579   9.0%   9.0%   9.3%
06/11/09 13,492    220     434      429    1,315   1,370  1,433  15,890  3,550    499    1,019   327     0     88   1,933    1,506   10,407 10,607  10,564   9.6%   9.1%   9.6%
06/12/09 12,455    220     395      435    1,260   1,340  1,411  14,765  3,600    497    1,018   329     0     95   1,939    1,510   9,226  10,483  10,452  10.3%   9.6%   9.7%
06/13/09 11,609    220     334      444    1,173   1,311  1,392  13,780  3,650    498    1,020   327     0     87   1,932    1,517   8,198  10,166  10,279  11.0%   10.2%  9.9%
06/14/09 10,821    220     374      457    1,165   1,277  1,378  13,037  3,700    493    1,013   327    76     88   1,846    1,513   7,491   9,738  10,080  11.0%   10.7%  9.8%
06/15/09 10,475    220     371      459    1,195   1,241  1,366  12,720  3,750    493    1,016   294    124    88   1,767    1,511   7,203   9,234  9,888   10.9%   11.0%  9.6%
06/16/09  9,869    220     324      453    1,194   1,203  1,350  12,060  3,800    497     999    285    76     91   1,795    1,504   6,465   8,559  9,674   11.8%   11.2%  9.5%
06/17/09  9,701    220     388      426    1,118   1,168  1,334  11,853  3,850    494    1,338   274    76     96   2,126    1,612   5,877   7,838  9,450   14.8%   12.4%  10.5%
06/18/09  9,349    220     357      427    1,073   1,137  1,318  11,426  3,900    489    1,662   286    76    103   2,464    1,826   5,062   7,074  9,207   18.2%   14.9%  12.3%
06/19/09  9,321    220     341      443    1,042   1,106  1,299  11,367  3,950    594    1,671   297    140   101   2,524    2,083   4,893   6,455  8,980   18.7%   17.2%  14.2%
06/20/09  8,918    220     335      458     954    1,080  1,283  10,885  4,000    240    1,675   301    76     96   2,238    2,111   4,647   5,948  8,763   16.9%   17.9%  14.7%
06/21/09  9,954    220     387     484      986   1,069  1,275  12,031   4,050    593    1,678   331    76    97    2,624   2,151    5,357  5,643   8,601   18.2%   18.0%  15.3%
06/22/09 10,602    220     396     449     1,117  1,070  1,272  12,784   4,100    690    1,673   329    45    105   2,752   2,183    5,932  5,462   8,480   18.1%   17.8%  16.0%
06/23/09 10,274    220     392     405     1,201  1,084  1,269  12,492   4,100    693    1,674   345    72    102   2,743   2,334    5,649  5,345   8,356   18.4%   18.3%  17.5%
06/24/09 10,152    220     391     426     1,218  1,129  1,274  12,407   4,150    870    1,678   356    64    73    2,913   2,426    5,344  5,269   8,231   20.0%   18.8%  18.7%
06/25/09 10,843    220     421     424     1,388  1,191  1,282  13,296   4,200    134    1,671   356    64    93    2,190   2,240    6,906  5,533   8,178   13.1%   17.1%  17.4%
06/26/09 11,706    220     429     422     1,476  1,277  1,293  14,253   4,200    629    1,670   359    60    91    2,689   2,217    7,364  5,886   8,147   15.7%   16.2%  17.3%
06/27/09 12,372    220     415     428     1,554  1,359  1,303  14,989   4,250    671    1,662   363    60    89    2,724   2,145    8,015  6,367   8,142   15.2%   14.7%  16.6%
06/28/09 12,060    220     444     438     1,558  1,393  1,304  14,720   4,250    661    1,663   352    60    96    2,712   2,319    7,758  6,710   8,128   15.4%   15.4%  17.8%
06/29/09 12,593    220     434     418     1,354  1,408  1,305  15,019   4,300   1,931   1,663   381    79    63    3,959   2,751    6,760  6,828   8,081   23.4%   18.0%  20.9%
06/30/09 13,693    220     384     403     1,310  1,406  1,301  16,010   4,300   2,495   1,762   374    71    52    4,612   3,392    7,098  7,035   8,048   26.1%   21.8%  25.3%


  Total  348,567   6,600  13,518   13,500  39,393 39,857 41,631 421,578 111,259  19,062  39,299 9,840  2,128 2,803  68,876   55,093 241,443 251,672284,422   407.5% 387.1% 379.4%
Average   11,619     220     451      450   1,313  1,329  1,388  14,053   3,709     635   1,310   328     71    93   2,296    1,836   8,048  8,389            13.6%  12.9%  12.6%