02/18/10
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                January 2010
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     (%)     (%)    (%)
01/01/10  9,918    220      16      378    1,244   1,259  1,238  11,776   559    2,994   1,009    67     0     14   4,083    4,257   7,134   5,787  7,134   34.0%   36.3%  31.7%
01/02/10 10,120    221      16      375    1,238   1,255  1,235  11,970   965    2,987   1,008    58     0     16   4,069    4,001   6,936   5,938  7,035   33.4%   33.9%  30.3%
01/03/10 10,583    223      20      371    1,231   1,250  1,233  12,428  1,372   2,990   1,008    58     0     15   4,071    3,999   6,985   6,279  7,018   32.2%   33.2%  30.9%
01/04/10 10,739    224      29      366    1,229   1,242  1,231  12,587  1,550   3,996   1,006    57    29     13   5,043    4,332   5,994   6,477  6,762   39.5%   35.1%  33.9%
01/05/10 11,551    226      25      354    1,226   1,233  1,226  13,382  1,500   4,495   1,004    59     0     17   5,575    4,833   6,306   6,635  6,671   41.1%   37.7%  38.0%
01/06/10 11,722    227      22      341    1,208   1,226  1,223  13,520  1,450   4,493   1,002    66     0     15   5,575    5,332   6,495   6,679  6,642   40.6%   40.4%  42.1%
01/07/10 11,192    229      21      348    1,207   1,219  1,219  12,997  1,400   3,981   1,001    60     0     17   5,060    5,325   6,537   6,627  6,627   38.3%   40.0%  42.4%
01/08/10 10,789    230      14      346    1,197   1,211  1,215  12,576  1,400   3,975   1,000    54    24     14   5,019    5,150   6,157   6,487  6,568   39.4%   39.5%  41.2%
01/09/10 10,537    230      7       345    1,181   1,204  1,210  12,300  1,122   3,485   1,001    49     0     19   4,554    4,814   6,625   6,443  6,574   36.5%   38.1%  38.8%
01/10/10 10,244    230      11      345    1,177   1,201  1,211  12,007  1,072   3,495   1,004    39     0     28   4,566    4,653   6,369   6,355  6,554   37.5%   37.8%  37.6%
01/11/10  9,964    230      11      353    1,212   1,206  1,215  11,770  1,072   3,486   1,002    49    17     17   4,537    4,491   6,161   6,379  6,518   38.0%   37.3%  36.4%
01/12/10  9,677    230      13      356    1,260   1,213  1,219  11,536  1,022   3,496   1,005    44     0     16   4,560    4,496   5,954   6,328  6,471   39.0%   38.1%  36.5%
01/13/10  9,256    230      27      367    1,259   1,223  1,223  11,139   337    3,995   1,009    44    14     15   5,048    4,664   5,754   6,222  6,416   44.8%   40.5%  38.0%
01/14/10 10,963    230      99      429    1,275   1,247  1,233  12,996   -626   4,494   1,006    52     0     15   5,567    5,001   8,055   6,439  6,533   42.3%   42.0%  40.4%
01/15/10 12,761    230     135      505    1,368   1,275  1,243  14,999   -626   4,998    999     41     0     17   6,055    5,500   9,569   6,927  6,735   40.0%   42.1%  43.7%
01/16/10 16,765    230      83      466    1,372   1,313  1,256  18,916   -676   4,991   1,003    42     0     15   6,051    5,830   13,541  7,915  7,161   31.7%   37.3%  44.6%
01/17/10 18,084    230      52      429    1,448   1,350  1,268  20,243   -676   4,980   1,007    42     0     16   6,044    5,993   14,874  9,130  7,615   29.6%   33.2%  43.9%
01/18/10 16,658    230      41      424    1,466   1,379  1,279  18,819  -1,182  4,984   1,007    36    21     14   6,020    5,991   13,981 10,247  7,968   31.7%   31.0%  42.5%
01/19/10 15,629    230     416      509    1,465   1,430  1,297  18,249  -1,639  4,995   1,011    45     6     16   6,062    5,995   13,826 11,371  8,276   32.9%   31.3%  41.5%
01/20/10 18,724    230    3,112     869    1,615   1,536  1,333  24,550  -2,780  4,986   1,013    30     3     6    6,032    5,999   21,298 13,592  8,928   24.4%   29.2%  39.3%
01/21/10 29,988    230    4,986    1,109   2,017   1,789  1,419  38,330  -4,655  3,492   1,595    41     0     10   5,138    5,698   37,848 17,848  10,305  13.3%   21.1%  33.4%
01/22/10 40,114    230    3,361   1,454    3,141  2,188  1,543  48,300  (7,622)  2,990   1,831   34     0     13    4,868   5,302   51,055  23,775 12,157   10.0%   14.3%  27.1%
01/23/10 45,151    230    1,272   1,992    4,164  2,622  1,671  52,809  (6,988)  2,987   1,832   30     0     17    4,865   4,909   54,931  29,687 14,017    9.1%   10.6%  21.8%
01/24/10 52,694    230    6,078   1,112    4,487  3,055  1,789  64,601  (5,618)  2,998   2,453   43     0     11    5,505   5,030   64,714  36,807 16,129    8.4%   9.1%   19.2%
01/25/10 54,819    230    3,771    765     4,494  3,428  1,880  64,079  (4,477)  2,983   2,696   38     0     14    5,731   5,317   62,825  43,785 17,997    8.9%   8.8%   17.7%
01/26/10 52,382    230    4,387    838     4,075  3,732  1,952  61,912  (3,564)  4,477   2,706   41     0     19    7,243   6,105   58,233  50,129 19,545   11.6%   9.6%   18.2%
01/27/10 48,559    230    3,955   1,192    3,748  3,928  2,005  57,684  (1,332)  3,992   3,180   45     5     12    7,224   6,678   51,793  54,485 20,739   12.4%   10.9%  18.1%
01/28/10 48,238    230     944     954     3,385  3,904  2,040  53,751  (1,104)  4,738   3,329   65     33    12    8,111   7,474   46,744  55,756 21,668   14.9%   12.9%  18.7%
01/29/10 52,354    230    4,313    772     2,975  3,683  2,060  60,644   (876)   5,296   3,327   74     0     18    8,714   7,954   52,806  56,007 22,741   14.2%   13.8%  18.4%
01/30/10 55,495    230    2,613    673     2,617  3,363  2,066  61,628  (1,560)  4,984   3,327   65     0     15    8,390   8,334   54,798  55,987 23,810   13.5%   14.2%  18.0%
01/31/10 51,354    230     430     752     2,246  3,016   576   55,012   (698)   3,982   3,326   69     0     15    7,392   8,081   48,317  53,645 24,600   13.3%   13.7%  16.6%

  Total  777,024   7,090  40,280   19,889  63,227 60,180 43,808 907,510 (31,878)125,214  49,709 1,538    152   464 176,773  171,538 762,614 626,168343,915   856.5% 872.9%1001.1%
Average   25,065     229   1,299      642   2,040  1,941  1,413  29,275  (1,028)  4,039   1,604    50      5    15   5,702    5,533  24,600 20,199  11,094    27.6%  28.2%  32.3%