07/14/05
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                April 2005
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     (%)   (%)   (%)
04/01/05  37,626     225   2,834    3,815  14,346 12,985 14,392  58,846     609   3,997   1,997   176     16     5   6,159    5,603  52,078 62,449  52,078   10.2%  9.1% 10.5%
04/02/05  34,237     222       0    3,425  14,392 13,573 14,359  52,276     609   3,988   2,012   259      0     3   6,262    5,832  45,405 58,641  48,741   11.5% 10.1% 10.6%
04/03/05  31,078     218       0    3,223  14,325 13,958 14,371  48,844     837   3,824   2,607   255      0     4   6,689    6,142  41,318 54,403  46,267   13.2% 11.5% 10.9%
04/04/05  28,426     215       0    3,110  14,396 14,176 14,350  46,147     202   4,991   2,829   263      0     8   8,091    6,750  37,853 50,530  44,164   16.9% 13.8% 11.7%
04/05/05  26,078     211       0    3,944  14,288 14,257 14,294  44,521     202   4,991   2,724   266      0    16   7,997    7,322  36,322 46,694  42,595   17.3% 15.7% 12.5%
04/06/05  24,636     208       0    3,794  14,071 14,217 14,195  42,709     202   5,490   2,758   267      0    15   8,530    7,928  33,976 43,200  41,159   19.3% 17.8% 13.5%
04/07/05  23,806     204       0    3,011  13,700 13,997 13,997  40,721     202   5,492   2,775   266      0    19   8,553    8,077  31,966 39,846  39,846   20.3% 18.9% 13.9%
04/08/05  22,436     201       0    3,335  12,808 13,586 13,687  38,780     252   5,996   2,214   252      0    17   8,478    8,242  30,050 36,699  38,621   21.2% 20.2% 14.7%
04/09/05  22,208     201   2,397    3,546  11,517 13,113 13,389  39,869    (432)  6,000   1,974    72      0    16   8,062    8,150  32,239 34,818  37,912   20.0% 20.5% 15.1%
04/10/05  22,922     201   2,351    3,582  11,008 12,532 13,083  40,064  (1,573)  5,995   1,562    75      0    12   7,645    7,914  33,993 33,771  37,520   18.9% 20.0% 15.4%
04/11/05  24,408     201       0    3,000  10,329 11,918 12,802  37,938  (1,573)  5,983   1,973    90     37    14   8,024    7,829  31,488 32,862  36,972   20.9% 19.9% 15.9%
04/12/05  25,671     201       0    2,801   9,993 11,329 12,565  38,666  (1,573)  5,985   1,940    93     11    20   8,027    7,813  32,212 32,275  36,575   20.5% 20.0% 16.7%
04/13/05  24,645     201       0    2,745   9,950 10,901 12,422  37,541  (1,523)  5,989   1,919    83     14    16   7,993    7,930  31,071 31,860  36,152   21.0% 20.8% 17.6%
04/14/05  23,354     201       0    2,712  10,704 10,476 12,236  36,971     759   5,243   1,949    93     34    20   7,269    7,675  28,943 31,428  35,637   19.4% 20.3% 17.7%
04/15/05  22,929     201       0    2,803   9,828 10,151 12,037  35,761   1,900   5,870   1,966    93     60    15   7,883    7,645  25,978 30,846  34,993   21.7% 20.7% 18.3%
04/16/05  22,124     201       0    2,844   9,242  9,865 11,848  34,411   1,900   6,000   1,968   100     25    12   8,054    7,665  24,457 29,734  34,334   23.1% 21.3% 19.0%
04/17/05  21,735     201       0    2,903   9,010  9,665 11,676  33,849   1,900   3,995   1,972    96     25    14   6,052    7,257  25,897 28,578  33,838   17.6% 20.8% 18.4%
04/18/05  21,118     201       0    2,929   8,925  9,485 11,512  33,173   1,900   2,496   1,970     0     43    12   4,435    6,134  26,838 27,913  33,449   13.3% 18.0% 16.0%
04/19/05  20,468     201       0    2,875   8,735  9,301 11,362  32,279   1,900   2,499   1,974     0      0    16   4,488    4,968  25,891 27,010  33,051   13.9% 14.9% 13.2%
04/20/05  19,410     201       0    2,767   8,666  8,997 11,223  31,044   1,900   2,495   1,971     5     30    22   4,463    4,468  24,681 26,098  32,633   14.3% 13.8% 12.2%
04/21/05  18,493     201       0    2,658   8,573  8,790 11,088  29,925   1,900   3,391   1,006     0     14    27   4,410    4,445  23,615 25,337  32,203   14.6% 14.3% 12.4%
04/22/05  17,916     201       0    2,527   8,382  8,636 10,955  29,026   1,900   3,293     965     0      0    33   4,291    4,374  22,835 24,888  31,777   14.7% 14.5% 12.4%
04/23/05  16,456     201       0    2,483   8,163  8,489 10,825  27,303   1,900   2,141   1,890     0      0    27   4,057    4,229  21,346 24,443  31,324   14.8% 14.7% 12.4%
04/24/05  16,431     201       0    2,514   7,981  8,331 10,700  27,127   1,265   1,494   2,516   135     25    18   4,138    4,099  21,724 23,847  30,924   14.7% 14.7% 12.3%
04/25/05  15,450     201       0    2,539   7,817  8,168 10,576  26,007   1,037   1,144   2,762   166    152    22   3,943    3,982  21,027 23,017  30,528   14.4% 14.6% 12.1%
04/26/05  15,250     201       0    2,490   7,593  7,960 10,446  25,534   1,037   1,099   2,763   178     40    25   4,025    3,926  20,472 22,243  30,141   15.0% 14.7% 12.3%
04/27/05  15,000     201       0    2,467   7,208  7,736 10,319  24,876   1,037   1,341   2,210   180     67    26   3,690    3,773  20,148 21,595  29,771   14.0% 14.5% 12.1%
04/28/05  14,915     201       0    2,506   7,007  7,510 10,193  24,629  (1,651)  1,542   1,990   158     33    28   3,686    3,648  22,595 21,450  29,515   14.2% 14.4% 12.2%
04/29/05  15,705     201       0    2,726   6,803  7,327 10,079  25,435  (2,564)  1,549   1,979   149     62    24   3,639    3,537  24,360 21,667  29,337   13.6% 13.9% 12.1%
04/30/05  15,961     201       0    2,657   6,882  7,177  9,974  25,701  (2,336)  1,550   1,980   142     38    28   3,662    3,530  24,375 22,100  29,172   13.6% 13.8% 12.3%


  Total  660,892   6,126   7,582   88,731 306,642 318,606364,9571,069,97 12,126 115,861  63,115 3,912    726   533 182,695  180,886 875,152 990,2411,081,22 497.9%492.5%416.5%
Average   22,030     204     253    2,958  10,221 10,620 12,165  35,666     404   3,862   2,104   130     24    18   6,090    6,030  29,172 33,008           16.6% 16.4% 13.9%