02/10/03
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                January 2003
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     (%)   (%)   (%)
01/01/03  57,452     205  11,344      820   2,185  2,235  2,218  72,006  (3,549)  4,993   4,213    60      0    19   9,286    7,949  66,270 38,775  66,270   12.8% 14.1% 15.7%
01/02/03  63,415     199  18,067      765   2,218  2,213  2,234  84,664  (3,599)  4,992   4,207    62      0    17   9,278    9,012  78,986 45,100  72,628   10.9% 12.9% 17.0%
01/03/03  64,675     193  24,804      606   2,249  2,201  2,225  92,527  (1,823)  7,393   4,222    70      0    17  11,702   10,007  82,649 52,436  75,968   12.6% 12.0% 18.0%
01/04/03  65,327     187  25,232      553   2,207  2,189  2,200  93,506    (960)  7,347   4,202    13      0    16  11,578   10,788  82,888 60,471  77,698   12.4% 12.0% 18.6%
01/05/03  63,857     180  12,857      533   2,125  2,176  2,175  79,552    (782)  7,340   4,201    78      0    15  11,633   11,568  68,701 66,213  75,899   14.5% 13.1% 19.3%
01/06/03  61,353     174   4,303      515   2,074  2,154  2,149  68,419   1,450   7,340   4,195    73      0     6  11,613   11,542  55,356 68,503  72,475   16.9% 14.3% 18.9%
01/07/03  56,993     174   2,366      503   2,020  2,126  2,126  62,056   1,400   7,291   4,225    98      0     3  11,617   11,530  49,038 69,127  69,127   18.6% 16.5% 18.8%
01/08/03  50,708     173   2,303      486   1,988  2,083  2,100  55,658   1,400   7,295   4,252   225      0    10  11,781   11,532  42,477 65,728  65,796   20.7% 18.6% 18.7%
01/09/03  44,135     173   2,262      476   1,920  2,026  2,072  48,966   1,350   6,709   4,248   249      0    16  11,222   11,340  36,394 59,643  62,529   22.4% 20.4% 18.4%
01/10/03  38,272     172   2,254      477   1,848  1,972  2,048  43,023     (69)  7,286   4,206   251      0    13  11,755   11,332  31,337 52,313  59,409   26.7% 23.0% 18.3%
01/11/03  34,544     172   2,602      507   1,828  1,933  2,030  39,653    (754)  6,555   4,194 2,520      0    10  13,278   11,066  27,129 44,347  56,475   27.1% 25.2% 17.8%
01/12/03  33,393     171   2,652      595   1,856  1,911  2,021  38,667    (804)  7,062   4,247   254      0    10  11,572   11,183  27,899 38,519  54,094   29.2% 27.6% 17.9%
01/13/03  35,739     171   2,682      600   1,918  1,917  2,024  41,110    (804)  7,166   4,251   254      0    10  11,680   11,158  30,234 34,930  52,258   27.8% 28.0% 17.9%
01/14/03  39,808     171   4,437      561   2,063  1,928  2,027  47,040    (854)  7,350   4,255   256      0    11  11,872   11,443  36,022 33,070  51,099   24.7% 27.1% 18.5%
01/15/03  43,231     171   3,496      541   2,065  1,946  2,028  49,504     515   2,342   4,266   254      0     0   6,862    9,876  42,127 33,020  50,500   13.3% 21.5% 16.4%
01/16/03  50,969     171   3,098      530   2,045  1,965  2,025  56,813   1,150   2,320   4,259   257      0     0   6,835    8,264  48,828 34,796  50,396   11.6% 16.2% 14.2%
01/17/03  60,128     171  15,472      513   1,980  1,981  2,020  78,264   1,150   2,312   4,269   257      0     0   6,837    6,589  70,277 40,359  51,565    8.4% 10.7% 11.5%
01/18/03  64,847     171  24,903      500   1,942  1,986  2,013  92,363   1,100   2,294   4,273   256      0     0   6,823    6,576  84,440 48,547  53,392    7.1%  8.7% 11.5%
01/19/03  64,573     171  13,601      498   1,890  1,976  2,005  80,733   1,100   2,295   4,275   254      0     0   6,824    6,573  72,809 54,962  54,414    8.1%  7.8% 11.5%
01/20/03  62,604     171   4,536      508   1,850  1,942  1,995  69,669   1,100   2,289   4,236   257      0     0   6,783    6,554  61,786 59,470  54,782    9.4%  8.1% 11.4%
01/21/03  59,198     170   2,525      508   1,821  1,901  1,985  64,222     822   7,189   4,261   258      0     0  11,708    8,182  51,693 61,708  54,635   17.8% 11.4% 14.2%
01/22/03  54,531     170   2,499      508   1,781  1,859  1,975  59,489     594   7,194   4,250   236      0     0  11,680    9,807  47,215 62,435  54,298   19.2% 15.2% 17.0%
01/23/03  50,004     169   2,589      513   1,751  1,825  1,964  55,026     315   7,037   4,252   253      0    10  11,551   11,394  43,160 61,626  53,814   20.5% 19.1% 19.6%
01/24/03  47,044     168   3,106      536   1,737  1,794  1,954  52,591     315   6,952   4,253   258      0    10  11,473   11,312  40,803 57,415  53,271   21.3% 20.3% 19.2%
01/25/03  47,577     167   2,742      628   1,728  1,770  1,945  52,842     315   4,697   4,306   253      0    11   9,266   10,499  43,261 51,532  52,871   17.0% 19.6% 17.5%
01/26/03  49,463     167   1,554      648   1,719  1,750  1,936  53,551     544   4,688   4,305   256      0    11   9,260    9,733  43,747 47,381  52,520   16.8% 18.4% 16.0%
01/27/03  51,135     166       0      621   1,715  1,735  1,928  53,637     722   4,671   4,300   271      0    18   9,260    8,989  43,655 44,791  52,192   16.7% 16.9% 14.5%
01/28/03  52,089     167       0      614   1,712  1,731  1,922  54,582     950   4,645   4,324   255      0    25   9,249    8,978  44,382 43,746  51,913   16.4% 16.6% 14.4%
01/29/03  52,034     167       0      621   1,753  1,771  1,925  54,575     950   7,294   4,306   255      0    23  11,878    9,847  41,747 42,965  51,562   21.3% 18.1% 15.7%
01/30/03  51,184     168       0      620   2,035  1,822  1,931  54,007     950   7,279   4,310   255      0    26  11,869   10,719  41,187 42,683  51,217   21.5% 19.7% 17.1%
01/31/03  49,703     168       0      590   2,090  1,846  1,930  52,551     900   7,290   4,306   256      0    27  11,879   11,595  39,772 42,536  50,847   22.1% 21.6% 19.1%

  Total 1,619,985  5,388 198,286   17,494  60,113 60,665 63,129 1,901,26  5,093 178,906 131,866 8,801      0   333 319,905  306,935 1,576,261,559,11,805,91 545.7%535.0%514.5%
Average   52,258     174   6,396      564   1,939  1,957  2,036  61,331     164   5,771   4,254   284      0    11  10,320    9,901  50,847 50,295           17.6% 17.3% 16.6%