01/31/06
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                December 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     (%)     (%)    (%)
12/01/05  15,646     208       0      451   1,990  1,949  1,948  18,295   1,544   4,489   4,238     9      0    52   8,789    8,410   7,963  7,258   7,963    47.7%  47.6%  51.0%
12/02/05  16,158     209       0      521   1,948  1,960  1,962  18,836  (1,651)  4,494   4,212     9      0    50   8,765    8,561  11,722  8,062   9,843    46.2%  47.1%  51.4%
12/03/05  19,784     211       0      951   1,975  1,974  1,980  22,921  (1,880)  4,493   4,176     7      0    56   8,732    8,701  16,068  9,408  11,918    37.8%  43.5%  50.7%
12/04/05  24,178     212       0      750   2,018  1,990  1,994  27,158  (1,373)  2,498   4,167    10      0    63   6,738    8,013  21,794 11,514  14,387    24.5%  34.9%  44.6%
12/05/05  28,915     213       0      535   2,035  2,003  2,007  31,698  (1,323)  4,491   4,224    10      2    56   8,779    8,016  24,242 13,980  16,358    27.5%  29.4%  41.9%
12/06/05  26,208     214       0      484   2,061  2,016  2,021  28,967  (1,323)  5,493   4,340     7      0    52   9,892    8,404  20,399 15,753  17,031    33.9%  28.7%  41.9%
12/07/05  22,124     216       0      467   2,088  2,030  2,030  24,895   1,922   6,678   4,272     9      2    54  11,011    9,833  11,962 16,307  16,307    44.0%  34.5%  47.5%
12/08/05  19,351     217       0      453   2,085  2,053  2,040  22,106   2,150   6,679   4,230     8      1    51  10,966   10,564   8,990 16,454  15,392    49.3%  41.7%  50.0%
12/09/05  17,567     217       0      449   2,108  2,069  2,045  20,341   2,150   6,677   4,259     9      1    51  10,995   10,932   7,196 15,807  14,482    53.8%  48.7%  51.0%
12/10/05  16,527     217       0      460   2,091  2,080  2,050  19,295   2,200   6,416   4,233     9      1    52  10,710   10,832   6,385 14,424  13,672    55.2%  52.6%  50.1%
12/11/05  15,766     217       0      448   2,089  2,086  2,053  18,520   2,200   6,677   4,250     6      0    51  10,985   10,838   5,335 12,073  12,914    59.0%  55.9%  49.8%
12/12/05  15,375     217       0      438   2,081  2,086  2,053  18,111   2,200   6,675   4,250     5      4    46  10,973   10,834   4,938  9,315  12,249    60.3%  58.1%  49.6%
12/13/05  15,404     217       0      434   2,058  2,078  2,052  18,113   2,200   6,195   4,316     1      1    45  10,556   10,788   5,357  7,166  11,719    58.0%  59.1%  49.2%
12/14/05  15,446     217       0      430   2,036  2,071  2,050  18,129   2,200   6,194   4,320    15      2    45  10,571   10,650   5,358  6,223  11,265    58.0%  58.8%  48.5%
12/15/05  15,161     217       0      427   2,031  2,054  2,046  17,836   2,200   6,197   4,306    17      1    58  10,577   10,509   5,059  5,661  10,851    58.9%  58.3%  47.9%
12/16/05  15,124     217       0      431   1,993  2,035  2,041  17,765   2,200   6,199   4,347    24      1    54  10,623   10,521   4,942  5,339  10,482    59.4%  58.7%  48.2%
12/17/05  14,961     217       0      436   1,954  2,013  2,035  17,568   2,200   6,199   4,340    29      1    51  10,619   10,529   4,749  5,106  10,145    60.0%  59.4%  49.0%
12/18/05  14,588     217       0      450   1,939  2,023  2,041  17,194    (132)  3,992   4,287    19      1    42   8,338    9,788   8,988  5,627  10,080    48.1%  55.9%  47.2%
12/19/05  15,687     217       0      568   2,148  2,064  2,057  18,620  (7,207)  5,574   4,235    12      1    42   9,863    9,542  15,964  7,202  10,390    52.7%  53.6%  48.1%
12/20/05  19,459     217       0      947   2,344  2,114  2,074  22,967  (7,892)  6,795   4,290    14      1    34  11,131    9,724  19,727  9,255  10,857    48.3%  49.6%  50.1%
12/21/05  23,928     217       0      847   2,389  2,205  2,102  27,381  (7,942)  6,799   4,322    17      1    23  11,159   10,671  24,163 11,942  11,491    40.6%  46.4%  54.5%
12/22/05  32,569     217       0      922   2,665  2,433  2,169  36,373 (10,452)  7,491   4,320    14      1    28  11,852   11,339  34,973 16,215  12,558    32.5%  39.2%  55.1%
12/23/05  37,949     217       0    2,118   3,592  2,743  2,254  43,876 (10,730)  7,792   4,322    14      1    26  12,153   11,682  42,453 21,574  13,858    27.6%  32.6%  52.5%
12/24/05  43,878     217       0    2,502   4,123  3,067  2,336  50,720  (3,884)  7,413   4,310    23      0    23  11,769   11,883  42,835 27,015  15,065    23.1%  27.2%  48.5%
12/25/05  54,201     217     920    1,526   4,208  3,420  2,427  61,072  (3,249)  7,995   4,330    12      1    20  12,355   12,054  51,966 33,155  16,541    20.2%  23.2%  43.7%
12/26/05  70,388     217  15,716    1,699   4,617  3,847  2,539  92,637  (5,303)  8,090   4,302    16      1    22  12,429   12,147  85,511 43,090  19,194    13.4%  17.8%  36.9%
12/27/05  74,735     217  26,088    4,299   5,332  4,353  2,665 110,671  (4,440)  8,496   4,322    15      0    22  12,854   12,511 102,258 54,880  22,270    11.6%  14.2%  31.7%
12/28/05  85,000     217  39,122    2,315   5,936  4,957  2,816 132,590  (2,158)  8,499   4,271    18      1    24  12,811   12,660 121,937 68,848  25,830     9.6%  11.3%  26.6%
12/29/05  86,000     217  55,505    3,760   6,892  5,668  3,014 152,374  (4,034)  8,941   4,254    11      0    23  13,228   12,927 143,180 84,306  29,876     8.7%   9.8%  22.6%
12/30/05  87,718     217  76,030    4,618   8,570  6,545  3,256 177,153  (4,312)  9,496   4,216     6      0    25  13,742   13,225 167,722 102,201 34,471     7.7%   8.6%  19.3%
12/31/05  72,840     217  95,874    3,622  10,261  7,562  3,516 182,814  (3,221)  9,080   4,036     4      0    35  13,155   13,341 172,880 120,779 38,936     7.2%   7.8%  16.6%

  Total 1,032,635  6,691 309,255   38,758  99,657 87,547 69,671 1,486,99(57,139)203,194 132,296   374     24 1,280 337,120  330,427 1,207,01785,937488,394  1184.7%1214.2%1375.8%
Average   33,311     216   9,976    1,250   3,215  2,824  2,247  47,968  (1,843)  6,555   4,268    12      1    41  10,875   10,659  38,936 25,353            38.2%  39.2%  44.4%