03/17/03
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                February 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     (%)   (%)   (%)
02/01/03  47,843     169       0      572   1,900  1,859  1,809  50,484     900   7,278   4,310   255      0    29  11,871   11,590  37,712 41,743  37,712   23.0% 22.1% 20.1%
02/02/03  44,904     169       0      572   1,809  1,874  1,816  47,454     900   7,299   4,297   256      0    27  11,878   11,593  34,676 40,447  36,194   24.4% 23.1% 21.0%
02/03/03  42,396     170       0      584   1,822  1,893  1,824  44,972     900   7,294   4,286   252      0    41  11,873   11,588  32,199 38,811  34,862   25.7% 24.3% 21.6%
02/04/03  40,244     169       0      565   1,842  1,905  1,828  42,820     900   7,060   4,275   252      0    39  11,625   11,504  30,295 36,798  33,721   26.5% 25.5% 22.1%
02/05/03  37,915     168       0      536   1,840  1,879  1,832  40,459     900   6,917   4,276   255      0    40  11,488   11,369  28,072 34,845  32,591   27.7% 26.6% 22.4%
02/06/03  35,387     167       0      515   1,849  1,846  1,837  37,918     900   7,144   4,279   253      0    40  11,717   11,317  25,302 32,575  31,376   30.1% 28.0% 22.9%
02/07/03  33,037     167       0      493   1,858  1,842  1,842  35,555     900   6,844   4,262   258      0    34  11,399   11,241  23,256 30,216  30,216   31.2% 29.6% 23.3%
02/08/03  30,861     166       0      481   1,871  1,853  1,847  33,379     900   7,246   4,306   259      0    26  11,836   11,361  20,643 27,777  29,019   34.6% 31.9% 24.2%
02/09/03  28,824     165       0      469   1,888  1,862  1,852  31,346     900   7,002   4,280   255      0    23  11,560   11,313  18,886 25,522  27,893   36.0% 33.8% 25.0%
02/10/03  27,183     164       0      460   1,887  1,869  1,855  29,694     850   7,112   4,286   255      0    24  11,676   11,410  17,168 23,374  26,821   38.4% 36.3% 26.2%
02/11/03  26,097     163       0      454   1,888  1,876  1,858  28,602     850   7,295   4,308   255      0    29  11,886   11,427  15,867 21,313  25,825   40.6% 38.2% 27.4%
02/12/03  25,794     163       0      447   1,888  1,882  1,862  28,292     850   7,190   4,326   255      0    23  11,794   11,505  15,648 19,538  24,977   40.7% 39.9% 28.9%
02/13/03  27,010     162       0      445   1,897  1,896  1,869  29,514  (1,889)  7,240   4,342   256      0    26  11,863   11,567  19,540 18,715  24,559   39.2% 40.2% 30.4%
02/14/03  31,173     162       0      470   1,955  1,906  1,874  33,760  (1,889)    491   3,820   257      0    23   4,591    9,137  31,057 19,830  25,023   12.8% 29.9% 24.9%
02/15/03  34,134     161       0      556   1,939  1,911  1,877  36,790  (1,889)    484   3,604   259      0    22   4,369    6,660  34,310 21,782  25,642   11.1% 20.0% 18.6%
02/16/03  36,028     161       0      548   1,923  1,920  1,882  38,660  (1,889)  7,274   4,191   259      0    23  11,747    6,621  28,801 23,198  25,839   29.7% 18.2% 18.9%
02/17/03  37,725     160       0      652   1,948  1,932  1,887  40,485  (4,627)  7,282   4,344   259      0    23  11,908    9,060  33,204 25,489  26,273   28.7% 23.4% 26.0%
02/18/03  40,945     161       0      695   1,972  1,937  1,889  43,773  (1,889)  7,269   4,333   260      0    30  11,892   11,564  33,770 28,047  26,689   26.5% 28.2% 33.2%
02/19/03  45,261     162       0      605   1,925  1,940  1,891  47,953  (1,889)  7,298   4,353   259      0    33  11,944   11,626  37,898 31,226  27,279   24.3% 26.4% 32.8%
02/20/03  45,176     163       0      579   1,919  1,938  1,893  47,837  (2,345)  7,215   4,287   259      0    29  11,790   11,585  38,392 33,919  27,835   24.0% 24.9% 32.1%
02/21/03  43,472     165       0      583   1,941  1,942  1,896  46,161  (2,295)  7,189   4,289   259      0    33  11,770   11,544  36,685 34,723  28,256   24.9% 24.4% 31.3%
02/22/03  42,329     166       0      552   1,965  1,948  1,900  45,012     444   7,121   4,305   260      0    28  11,714   11,469  32,854 34,515  28,465   25.4% 24.8% 30.4%
02/23/03  41,105     167       0      531   1,964  1,947  1,901  43,767     444   7,295   4,325   256      0    29  11,906   11,508  31,418 34,889  28,594   26.6% 25.6% 29.8%
02/24/03  39,911     168       0      518   1,941  1,944  1,904  42,538     444   7,296   4,339   259      0    28  11,922   11,561  30,173 34,456  28,659   27.4% 26.4% 29.3%
02/25/03  38,640     168       0      511   1,953  1,955  1,907  41,272     900   7,290   4,358   258      0    35  11,941   11,634  28,431 33,693  28,650   28.2% 27.4% 28.8%
02/26/03  37,163     167       0      514   2,001  1,971  1,912  39,845     672   3,997   4,365   258      0    33   8,653   10,548  30,521 32,639  28,722   21.0% 25.6% 25.6%
02/27/03  35,276     167       0      507   2,030  1,986  1,917  37,980     672   2,984   4,364   258      0    31   7,638    9,119  29,671 31,393  28,757   19.3% 23.0% 21.8%
02/28/03  32,930     167       0      505   2,045  1,995  1,921  35,647     444   5,360   4,337   257      0    30   9,984    8,469  25,219 29,755  28,631   27.2% 22.4% 20.2%




  Total 1,028,763  4,627       0   14,919  53,660 53,506 52,381 1,101,96 (5,931)178,766 119,447 7,190      0   831 306,234  300,893 801,666 841,231809,080  775.1%770.1%719.1%
Average   36,742     165       0      533   1,916  1,911  1,871  39,356    (212)  6,385   4,266   257      0    30  10,937   10,746  28,631 30,044           27.7% 27.5% 25.7%