01/25/05
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                December 2004
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     (%)   (%)   (%)
12/01/04  11,761     208       0      353   1,435  1,475  1,414  13,757     631   3,961   4,339    67      0    80   8,447    8,087   4,680  4,777   4,680   60.3% 56.5% 62.2%
12/02/04  11,652     209       0      334   1,414  1,461  1,421  13,609     631   4,030   4,317    81      0    79   8,506    8,318   4,472  4,888   4,576   61.3% 59.9% 64.1%
12/03/04  11,606     211       0      327   1,428  1,446  1,421  13,572   2,000   3,993   4,354    68      0    83   8,498    8,331   3,073  4,767   4,075   61.5% 61.1% 64.2%
12/04/04  11,271     212       0      322   1,421  1,436  1,422  13,226   2,050   3,993   4,312    46      0    79   8,431    8,333   2,745  4,602   3,743   62.8% 61.9% 64.2%
12/05/04  10,917     213       0      318   1,425  1,431  1,426  12,873   2,100   3,997   4,232    68      0    78   8,375    8,294   2,398  4,164   3,474   63.9% 62.7% 64.0%
12/06/04  10,392     214       0      317   1,442  1,429  1,429  12,365   2,100   1,992   4,143    68      0    80   6,283    7,557   3,982  3,803   3,558   49.6% 58.9% 58.4%
12/07/04  10,056     216       0      322   1,441  1,431  1,431  12,035   2,150   4,390   1,650    68      0    77   6,185    6,802   3,700  3,579   3,579   50.2% 54.7% 52.6%
12/08/04  10,811     217       0      368   1,447  1,443  1,440  12,843  (1,045)  4,397   1,654    67      0    75   6,193    6,076   7,695  4,009   4,093   47.1% 48.9% 46.8%
12/09/04  12,547     217       0      875   1,500  1,461  1,452  15,139  (3,555)  4,398   1,658    69      0    69   6,194    6,049  12,501  5,156   5,027   40.0% 45.4% 45.8%
12/10/04  18,007     217       0      754   1,553  1,478  1,461  20,531  (3,505)  4,389   1,665    67      0    71   6,192    6,054  17,844  7,267   6,309   29.5% 37.4% 43.7%
12/11/04  26,307     217       0      538   1,535  1,500  1,472  28,597  (3,505)  2,694   3,473    68      0    71   6,305    6,092  25,798 10,560   8,081   21.6% 28.4% 40.5%
12/12/04  28,034     217       0      462   1,583  1,527  1,485  30,296  (3,505)  1,894   4,197    68      0    64   6,223    6,104  27,579 14,157   9,706   20.1% 23.1% 37.5%
12/13/04  23,975     217       0      426   1,628  1,558  1,498  26,246    (310)  1,899   4,210    68      0    62   6,239    6,122  20,317 16,491  10,522   23.3% 21.6% 35.8%
12/14/04  20,198     217       0      409   1,660  1,593  1,512  22,484   2,200   1,891   4,213    68      0    56   6,228    6,101  14,056 17,970  10,774   27.1% 23.2% 34.5%
12/15/04  18,149     217       0      398   1,694  1,620  1,524  20,458   2,200   1,901   4,190    68      0    56   6,215    6,101  12,043 18,591  10,859   29.8% 26.5% 33.6%
12/16/04  16,904     217       0      389   1,687  1,636  1,533  19,197   2,200   4,127   4,346    68      0    57   8,598    6,889   8,399 18,005  10,705   44.1% 33.3% 37.1%
12/17/04  16,250     217       0      380   1,665  1,650  1,538  18,512   1,972   5,475   4,372    67      0    65   9,978    8,137   6,562 16,393  10,461   53.2% 42.0% 43.0%
12/18/04  15,345     217       0      374   1,630  1,652  1,542  17,566   1,922   6,176   4,341    67      0    68  10,652    9,612   4,992 13,421  10,158   59.9% 52.2% 50.0%
12/19/04  14,828     217       0      368   1,598  1,644  1,543  17,011   1,922   7,178   4,307    67      0    66  11,617   10,616   3,472  9,977   9,806   67.5% 60.0% 54.4%
12/20/04  14,007     217       0      364   1,572  1,629  1,544  16,160   1,922   5,545   4,329    71      0    63  10,007   10,625   4,232  7,679   9,527   61.1% 62.8% 53.7%
12/21/04  13,405     217       0      364   1,560  1,606  1,543  15,546   1,872   6,019   4,346    56      0    56  10,477   10,574   3,197  6,128   9,226   66.7% 65.1% 52.8%
12/22/04  12,980     217       0      359   1,530  1,580  1,542  15,086   2,100   4,996   4,348    67      0    52   9,463    9,861   3,523  4,911   8,966   61.9% 63.2% 48.8%
12/23/04  12,554     217       0      355   1,507  1,554  1,539  14,633   2,050   4,997   4,350    65      0    58   9,470    9,685   3,113  4,156   8,712   63.9% 64.2% 48.0%
12/24/04  12,072     217       0      352   1,484  1,533  1,537  14,125   2,050   4,488   4,126    60      0    70   8,743    9,101   3,332  3,694   8,488   61.0% 62.3% 46.2%
12/25/04  11,879     217       0      351   1,480  1,512  1,534  13,927   2,000   4,209   3,708    57      0    60   8,034    8,625   3,893  3,538   8,304   56.8% 60.6% 46.2%
12/26/04  11,642     217       0      346   1,454  1,494  1,530  13,659   2,000   4,196   3,719    56      0    50   8,022    8,148   3,637  3,561   8,124   57.9% 58.6% 46.6%
12/27/04  11,211     217       0      345   1,446  1,477  1,527  13,219   1,950   3,986   3,605    42      0    56   7,689    7,807   3,580  3,468   7,956   57.4% 57.4% 47.2%
12/28/04  11,298     217   3,184      343   1,440  1,482  1,528  16,482     581   4,490   3,500    30      0    51   8,072    7,832   7,830  4,130   7,952   48.5% 54.2% 48.6%
12/29/04  14,447     217   2,494      389   1,564  1,510  1,534  19,111  (4,262)  4,497   3,655    40      0    63   8,254    7,911  15,119  5,786   8,199   42.7% 48.6% 49.4%
12/30/04  29,508     217   2,480      459   1,705  1,550  1,542  34,369  (4,768)  5,297   3,737    39      0    61   9,134    8,392  30,003  9,628   8,926   26.3% 36.0% 49.1%
12/31/04  39,135     217   3,715    1,681   1,759  1,656  1,564  46,507 (10,752)  5,497   4,207    18      0    33   9,755    8,963  47,503 15,938  10,170   20.9% 26.9% 46.9%

  Total  493,148   6,691  11,873   13,742  47,687 47,457 46,427 573,141   5,392 130,992 117,601 1,875      0 2,008 252,477  247,202 315,272 255,196238,735 1497.9%1517.51516.1%
Average   15,908     216     383      443   1,538  1,531  1,498  18,488     174   4,226   3,794    60      0    65   8,144    7,974  10,170  8,232           48.3% 49.0% 48.9%