06/29/06
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                May 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     (%)     (%)    (%)
05/01/06 70,730    220    24,908   7,330   30,992 30,987 30,842 134,180  2,000   4,385   1,710   118    49     28   6,192    6,107  125,988 128,698125,988   4.5%   4.6%   3.8%
05/02/06 71,433    220   24,734   7,155   30,842  30,985 30,759 134,384  2,000   4,384   1,707   135    21    29    6,233   6,097   126,151 126,941126,069   4.5%   4.6%   3.9%
05/03/06 70,735    220   19,787   6,917   30,675  30,913 30,624 128,334  2,050    691    1,099   188    0     26    2,005   4,659   124,280 125,518125,473   1.4%   3.5%   3.1%
05/04/06 70,629    220   12,015   6,679   30,354  30,743 30,444 119,897  2,100    688     851    207    55    29    1,719   3,140   116,078 123,365123,124   1.2%   2.4%   2.2%
05/05/06 70,341    221    6,368   6,506   29,904  30,489 30,249 113,340  2,100    688     849    190    38    35    1,723   1,622   109,516 121,170120,403   1.3%   1.3%   1.2%
05/06/06 69,334    221    1,931   6,342   29,471  30,173 30,036 107,299  2,100    691     846    186    25    36    1,734   1,538   103,464 118,457117,580   1.4%   1.3%   1.1%
05/07/06 67,790    221     677    6,195   28,971  29,816 29,816 103,854  2,150    698     845    186    0     34    1,763   1,539   99,941  115,060115,060   1.5%   1.4%   1.2%
05/08/06 65,032    221     659    6,083   28,496  29,429 29,605 100,491  2,150    695     845    181   125    37    1,634   1,540   96,707  110,877112,766   1.4%   1.4%   1.2%
05/09/06 61,187    221     506    6,047   28,129  29,015 29,402 96,090   2,200    696     849    180    58    37    1,704   1,543   92,186  106,025110,479   1.5%   1.5%   1.2%
05/10/06 57,408    221     490    6,012   27,779  28,582 29,195 91,910   2,200    697     847    183    54    40    1,713   1,543   87,997  100,841108,231   1.6%   1.5%   1.2%
05/11/06 56,344    221     555    5,912   27,325  28,205 29,019 90,357   2,250    695     852    165    70    38    1,680   1,545   86,427  96,606 106,249   1.6%   1.6%   1.3%
05/12/06 56,945    221    1,811   5,857   27,267  27,882 28,868 92,101   2,300    698     847    156    55    37    1,683   1,545   88,118  93,549 104,738   1.6%   1.6%   1.3%
05/13/06 56,858    221    2,109   5,823   27,208  27,606 28,728 92,219   2,300    692     848    150    50    39    1,678   1,544   88,241  91,374 103,469   1.6%   1.6%   1.4%
05/14/06 56,443    221     794    5,703   27,038  27,372 28,594 90,199   2,350    693     850    143    50    38    1,673   1,543   86,176  89,407 102,234   1.7%   1.6%   1.4%
05/15/06 55,621    221     620    5,630   26,858  27,160 28,464 88,950   2,350    698     850    142    40    52    1,702   1,543   84,898  87,721 101,078   1.7%   1.7%   1.4%
05/16/06 55,100    221     586    5,513   26,646  26,935 28,323 88,066   2,400    700     852    167    81    61    1,699   1,547   83,967  86,546 100,009   1.7%   1.7%   1.5%
05/17/06 53,744    221     523    5,503   26,200  26,731 28,180 86,191   2,450    691     849    164    84    62    1,682   1,546   82,059  85,698 98,953    1.7%   1.7%   1.5%
05/18/06 51,624    221     503    5,396   25,900  26,515 28,045 83,644   2,450   3,686   2,273   155    46    55    6,124   3,017   75,070  84,076 97,626    7.1%   3.4%   3.1%
05/19/06 50,720    221     531    5,209   25,754  26,275 27,913 82,435   2,500   3,666   2,849   160    83    53    6,644   4,671   73,291  81,958 96,345    7.8%   5.5%   5.0%
05/20/06 49,661    221     556    4,985   25,529  26,018 27,779 80,952   2,550   3,198   2,852   164    76    45    6,185   6,175   72,217  79,668 95,139    7.4%   7.4%   6.7%
05/21/06 48,779    221     564    4,857   25,242  25,757 27,648 79,663   2,550   3,194   2,842   134    76    42    6,137   6,200   70,976  77,497 93,988    7.5%   7.6%   6.9%
05/22/06 49,206    221     565    4,766   25,029  25,547 27,536 79,787    318    3,193   2,844   135    79    40    6,133   6,041   73,337  75,845 93,049    7.5%   7.4%   6.8%
05/23/06 48,831    221     575    5,077   25,175  25,421 27,440 79,879  (1,686)  3,184   2,854   137    76    40    6,139   6,037   75,426  74,625 92,283    7.5%   7.5%   6.9%
05/24/06 47,137    221     505    4,930   25,317  25,350 27,355 78,110  (1,636)  3,195   2,854   147    23    34    6,207   6,041   73,539  73,408 91,502    7.7%   7.5%   7.0%
05/25/06 46,537    221     411    4,719   25,404  25,288 27,273 77,292  (1,586)  3,189   2,854   144    11    37    6,212   6,043   72,666  73,065 90,749    7.8%   7.7%   7.1%
05/26/06 44,173    221     372    4,797   25,321  25,271 27,202 74,884  (1,586)  3,193   2,873   144    0     34    6,244   6,052   70,226  72,627 89,959    8.1%   7.9%   7.3%
05/27/06 40,432    221     391    4,947   25,408  25,313 27,140 71,399    746    3,192   2,865   139    25    44    6,214   6,055   64,439  71,516 89,014    8.4%   8.1%   7.4%
05/28/06 37,326    221     454    4,858   25,538  25,351 27,074 68,397   2,850   3,180   2,853   133    25    43    6,184   6,052   59,363  69,857 87,955    8.8%   8.4%   7.5%
05/29/06 34,796    221     450    4,756   25,292  25,248 26,984 65,515   2,900   3,191   2,853   136    25    54    6,209   6,045   56,406  67,438 86,867    9.2%   8.8%   7.7%
05/30/06 32,395    221     407    4,667   24,454  24,941 26,856 62,144   2,950   3,178   2,867   164   166    54    6,097   6,041   53,097  64,248 85,742    9.5%   9.1%   7.8%
05/31/06 30,900    221     425    4,523   23,167  24,453 26,699 59,236   3,000   2,274   2,860   203    58    45    5,324   5,741   50,912  61,016 84,618    8.6%   9.1%   7.6%

  Total 1,678,191  6,847 105,782  173,694 836,685 849,771884,0932,801,19 53,769  63,892  55,786 4,935  1,626 1,281 124,268  120,351 2,623,162,834,63,176,73  144.8% 140.5% 124.9%
Average   54,135     221   3,412    5,603  26,990 27,412 28,519  90,361   1,734   2,061   1,800   159     52    41   4,009    3,882  84,618 91,442             4.7%   4.5%   4.0%