06/19/08
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                May 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     (%)     (%)    (%)
05/01/08  8,241    210     715      696    2,997   3,099  2,987  12,859  2,000    803     537    177    85     85   1,518    1,467   9,341   9,737  9,341    9.8%   11.4%  9.9%
05/02/08  8,138    209     716      669    2,987   3,073  3,008  12,719  2,000    696     835    189    60     88   1,748    1,465   8,970   9,405  9,156   11.6%   11.2%  10.0%
05/03/08 8,127     207     689     633     3,029  3,057  3,019  12,685   2,050    695     837    206    50    86    1,774   1,468    8,862  9,146   9,058   11.7%   11.0%  10.2%
05/04/08 7,828     206     676     620     3,041  3,036  3,029  12,371   2,100    690     838    216    50    88    1,782   1,531    8,489  8,909   8,915   11.9%   11.7%  10.9%
05/05/08 6,993     204     663     623     3,057  3,021  3,031  11,540   2,100    688     842    216    85    84    1,745   1,530    7,695  8,623   8,671   12.5%   12.0%  11.1%
05/06/08 7,120     203     656     641     3,043  3,040  3,047  11,663   2,100    690     844    209    53    84    1,774   1,531    7,789  8,490   8,524   12.7%   12.4%  11.3%
05/07/08 7,766     201     654     650     3,126  3,063  3,063  12,397   2,150    686     843    208    67    90    1,761   1,531    8,487  8,519   8,519   11.8%   12.3%  11.5%
05/08/08 8,287     200     643     639     3,155  3,097  3,084  12,924   2,150    692     842    203    56    90    1,772   1,533    9,002  8,471   8,579   11.4%   12.0%  11.6%
05/09/08 7,970     200     657     635     3,231  3,134  3,106  12,693   2,200    699     843    200    63    89    1,770   1,536    8,723  8,435   8,595   11.7%   11.6%  11.7%
05/10/08 8,060     200     680     638     3,283  3,163  3,120  12,861   2,200    694     843    203    50    91    1,781   1,538    8,880  8,438   8,624   11.6%   11.6%  11.9%
05/11/08 7,875     200     668     633     3,246  3,216  3,148  12,622   2,250    684     842    203    50    92    1,771   1,536    8,601  8,454   8,622   11.7%   11.6%  11.9%
05/12/08 7,358     200     642     589     3,429  3,277  3,175  12,218   2,300    686     840    204    53    89    1,765   1,530    8,153  8,519   8,583   12.1%   11.8%  11.9%
05/13/08 8,019     200     636     607     3,472  3,305  3,186  12,934   2,300    688     838    199    66    85    1,745   1,526    8,889  8,676   8,606   11.3%   11.7%  11.8%
05/14/08 8,195     200     611     586     3,317  3,317  3,190  12,909   2,350    690     839    223    76    83    1,760   1,527    8,799  8,721   8,620   11.3%   11.5%  11.7%
05/15/08 8,458     200     619     570     3,240  3,315  3,191  13,087   2,350    699     843    241    92    107   1,798   1,533    8,939  8,712   8,641   11.1%   11.2%  11.6%
05/16/08 8,203     200     647     583     3,215  3,294  3,188  12,848   2,400    489     835    245    89    144   1,624   1,465    8,824  8,726   8,653    9.6%   10.7%  11.0%
05/17/08 7,450     200     669     632     3,138  3,273  3,183  12,089   2,450    697     840    245    0     92    1,875   1,468    7,764  8,567   8,600   12.7%   11.1%  11.3%
05/18/08 7,032     200     723     673     3,100  3,221  3,177  11,728   2,450    690     843    245    50    98    1,826   1,465    7,452  8,403   8,537   12.6%   11.6%  11.4%
05/19/08 7,668     200     778     651     3,068  3,175  3,175  12,365   2,500    695     847    245   100    83    1,771   1,538    8,094  8,394   8,513   11.7%   12.3%  11.9%
05/20/08 7,608     200     852     602     3,147  3,136  3,169  12,409   2,550    522     846    245    93    90    1,610   1,481    8,249  8,303   8,500   10.3%   11.5%  11.1%
05/21/08 7,662     200     895     567     3,046  3,080  3,153  12,370   2,550    873     847    221    97    95    1,940   1,544    7,880  8,172   8,471   13.1%   11.7%  11.5%
05/22/08 9,517     200     888     527     2,844  2,996  3,129  13,976   2,600    695     847    210   102    97    1,747   1,544    9,629  8,270   8,523   10.3%   11.2%  11.4%
05/23/08 10,560    200     860     509     2,632  2,869  3,091  14,761   2,650   1,495    976    214   142    107   2,650   1,911    9,461  8,361   8,564   15.8%   13.1%  14.0%
05/24/08 10,124    200     841     492     2,243  2,702  3,043  13,900   2,700   1,495   1,052   205    76    98    2,775   2,187    8,425  8,456   8,558   17.8%   14.6%  16.2%
05/25/08 11,267    200     827     489     1,932  2,532  2,996  14,715   2,750   1,062   1,045   185    76    87    2,304   2,375    9,661  8,771   8,602   13.8%   15.8%  17.5%
05/26/08 10,712    200     788     510     1,879  2,354  2,954  14,089   2,750   1,499   1,048   180    76    90    2,742   2,401    8,597  8,843   8,602   17.5%   16.3%  17.7%
05/27/08 9,751     200     739     489     1,900  2,176  2,911  13,079   2,800   1,038   1,044   201    0     80    2,363   2,246    7,916  8,796   8,577   15.9%   15.7%  16.7%
05/28/08 9,918     200     704     500     1,805  2,012  2,868  13,127   2,850   1,175   1,045   202   123    66    2,366   2,283    7,911  8,800   8,553   16.0%   16.5%  16.8%
05/29/08 9,880     200     706     472     1,696  1,881  2,828  12,954   2,900   1,188   1,040   201    76    89    2,442   2,177    7,612  8,512   8,520   16.6%   16.2%  16.0%
05/30/08 10,396    200     759     483     1,709  1,798  2,789  13,547   2,950   1,498   1,047   219    74    131   2,821   2,331    7,776  8,271   8,496   18.2%   17.0%  16.9%
05/31/08 10,742    200     794     489     1,662  1,748  2,750  13,887   3,000   1,199   1,043   224    50    112   2,528   2,338    8,359  8,262   8,491   15.8%   16.9%  17.0%

  Total  266,925   6,240  22,395   18,097  86,669 89,459 94,785 400,326  75,450  26,793  27,556 6,585  2,179 2,893  61,648   53,534 263,228 267,163267,814   401.8% 397.2% 397.4%
Average    8,610     201     722      584   2,796  2,886  3,058  12,914   2,434     864     889   212     70    93   1,989    1,727   8,491  8,618            13.0%  12.8%  12.8%