03/31/10
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                February 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     (%)     (%)    (%)
02/01/10 43,259    230     402      695    2,064   2,708  1,921  46,650   -13    3,990   3,313    68    10     14   7,375    7,641   39,288 50,283  39,288  15.6%   14.0%  15.1%
02/02/10 37,971    233     351      609    1,921   2,435  1,881  41,085   215    3,965   3,432    73     6     15   7,479    7,336   33,391 46,734  36,339  18.0%   15.4%  14.0%
02/03/10 34,634    236     326      558    1,840   2,219  1,876  37,594   -13    3,963   3,505    84     5     18   7,566    7,389   30,041 43,626  34,240  19.9%   17.7%  13.9%
02/04/10 32,289    239     303      531    1,867   2,067  1,885  35,229   672    3,998   3,484    82     5     11   7,571    7,449   26,986 40,804  32,426  21.2%   19.6%  14.1%
02/05/10 30,502    241     321      519    1,911   1,970  1,896  33,494   215    2,998   3,449    82     0     14   6,543    7,133   26,736 37,080  31,288  19.3%   20.1%  13.7%
02/06/10 29,544    244    1,061     729    1,941   1,933  1,911  33,519  -2,067  2,992   3,993    75     0     26   7,086    6,972   28,500 33,323  30,824  20.8%   20.5%  13.8%
02/07/10 30,108    247     632      767    1,986   1,924  1,924  33,740  -2,980  2,992   4,109    73     0     25   7,198    6,844   29,521 30,638  30,638  21.0%   20.4%  14.2%
02/08/10 35,596    250     597      812    2,005   1,943  1,940  39,260  -2,751  2,989   4,125    75    13     22   7,198    7,066   34,814 29,998  31,160  18.1%   19.9%  15.2%
02/09/10 38,056    250     433      733    2,052   2,065  2,024  41,524  -2,980  2,986   4,209    82     0     23   7,300    7,136   37,204 30,543  31,831  17.3%   18.7%  15.8%
02/10/10 39,527    250     463      770    2,694   2,198  2,101  43,704  -4,399  2,991   4,164    76     0     23   7,254    7,155   40,849 32,087  32,733  16.4%   17.2%  16.2%
02/11/10 39,615    250     448      682    2,797   2,325  2,165  43,792  -2,117  2,992   3,690    78     8     19   6,771    7,011   39,137 33,823  33,315  15.2%   16.3%  16.2%
02/12/10 37,684    250     371      668    2,798   2,451  2,220  41,771  -1,204  2,498   3,470    76    10     24   6,057    6,602   36,917 35,278  33,615  14.3%   15.3%  15.7%
02/13/10 35,046    250     342      617    2,823   2,580  2,271  39,078  -1,204  2,492   3,467    80     6     22   6,055    6,203   34,227 36,096  33,662  15.2%   14.9%  15.3%
02/14/10 32,144    250     319      573    2,893   2,698  2,311  36,179   -976   2,496   3,463    68     0     26   6,053    5,962   31,102 36,321  33,480  16.5%   15.3%  15.3%
02/15/10 30,056    250     301      550    2,826   2,789  2,336  33,983   850    2,494   3,460    79     0     19   6,051    5,957   27,082 35,217  33,053  17.5%   16.4%  15.6%
02/16/10 28,093    250     286      533    2,693   2,773  2,352  31,855   850    2,494   3,462    76    14     20   6,038    5,956   24,967 33,469  32,548  18.7%   17.5%  15.9%
02/17/10 26,547    250     274      551    2,578   2,728  2,359  30,200   850    2,491   3,467   137     5     24   6,114    5,956   23,236 30,953  32,000  19.7%   18.6%  16.1%
02/18/10 25,287    250     263      532    2,484   2,677  2,364  28,816   850    2,490   4,021   230     0     24   6,765    6,142   21,201 28,390  31,400  22.6%   20.3%  16.8%
02/19/10 23,791    250     255      538    2,443   2,622  2,368  27,277   850    2,997   4,212   226     6     25   7,455    6,559   18,972 25,827  30,746  26.4%   22.8%  18.2%
02/20/10 22,576    250     248      552    2,440   2,549  2,369  26,066   850    2,999   4,202   233     0     23   7,457    6,974   17,759 23,474  30,096  27.6%   25.5%  19.6%
02/21/10 21,342    250     241      562    2,380   2,480  2,367  24,775   900    2,995   4,212   234     0     19   7,461    7,206   16,414 21,376  29,445  29.1%   27.7%  20.7%
02/22/10 20,732    250     235     582     2,340  2,444  2,371  24,139   (241)   3,499   3,808   239    16    22    7,553   7,238   16,827  19,911 28,871   30.2%   28.9%  21.4%
02/23/10 19,881    250     227     578     2,442  2,415  2,371  23,378   (241)   3,000   3,703   228    0     21    6,951   7,072   16,668  18,725 28,341   28.7%   29.3%  21.7%
02/24/10 19,603    250     232     578     2,377  2,442  2,384  23,040  (5,946)  2,988   3,667   222    9     24    6,893   6,888   22,094  18,562 28,081   28.8%   29.3%  22.2%
02/25/10 20,137    250     476     625     2,673  2,518  2,407  24,161  (6,175)  2,999   3,709   221    0     22    6,951   6,689   23,385  18,874 27,893   27.8%   28.4%  22.6%
02/26/10 21,208    250     354     807     2,975  2,686  2,454  25,594  (6,175)  2,998   3,714   225    9     23    6,951   6,692   24,818  19,709 27,774   26.2%   27.6%  23.5%
02/27/10 26,028    250     364     753     3,614  2,827  2,488  31,009  (6,403)  2,997   3,768   235    5     19    7,013   6,728   30,399  21,515 27,872   21.8%   25.0%  24.1%
02/28/10 28,066    250     670    3,495    3,371  3,026  2,532  35,852  (6,631)  2,994   3,691   235    5     25    6,940   6,720   35,543  24,248 28,146   18.6%   21.8%  24.1%




  Total  829,322   6,920  10,795   20,499  69,228 68,492 61,847 936,764 (45,412) 84,776 104,969 3,892    128   591 194,099  190,676 788,077 856,881881,104   592.5% 584.1% 491.0%
Average   29,619     247     386      732   2,472  2,446  2,209  33,456  (1,622)  3,028   3,749   139      5    21   6,932    6,810  28,146 30,603  31,468    21.2%  20.9%  17.5%