10/15/03
                                                                U.S. Bureau of Reclamation - Central Valley Operations Office
                                                                        Delta Outflow Computation (values in c.f.s.)

                                                                                September 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     (%)   (%)   (%)
09/01/03  16,480     252       0      409   1,424  1,418  1,480  18,565   3,200   7,167   4,196   197     40    81  11,600   11,344   3,765  5,125   3,765   61.0% 59.9% 58.1%
09/02/03  16,363     252       0      356   1,480  1,411  1,465  18,451   3,200   7,060   4,424   202      0    88  11,773   11,342   3,478  4,507   3,621   62.2% 61.0% 58.3%
09/03/03  16,232     252       0      361   1,449  1,406  1,431  18,294   3,150   7,138   4,401   206     12    83  11,816   11,462   3,328  3,980   3,523   63.0% 62.1% 58.9%
09/04/03  16,246     252       0      347   1,363  1,401  1,403  18,208   3,100   7,111   4,384   206     42    86  11,745   11,506   3,363  3,810   3,483   62.9% 62.7% 59.2%
09/05/03  16,738     252       0      363   1,318  1,388  1,384  18,671   3,050   7,048   4,380   209     47    77  11,666   11,487   3,955  3,747   3,578   61.0% 62.3% 59.0%
09/06/03  17,047     252       0      369   1,310  1,387  1,381  18,978   3,000   7,011   4,394   211     25    62  11,652   11,442   4,326  3,745   3,702   60.0% 61.2% 58.9%
09/07/03  16,764     252       0      364   1,365  1,394  1,394  18,745   2,950   7,036   4,387   212     50    71  11,655   11,418   4,140  3,765   3,765   60.7% 60.5% 59.2%
09/08/03  16,583     252       0      368   1,472  1,402  1,412  18,675   2,900   6,773   3,952   205     53    80  10,957   11,184   4,818  3,915   3,897   57.1% 59.3% 58.5%
09/09/03  16,499     252       0      352   1,535  1,400  1,414  18,638   2,900   7,093   4,056   208     40    79  11,395   11,099   4,343  4,039   3,946   59.6% 59.1% 58.5%
09/10/03  16,342     252       0      336   1,437  1,398  1,408  18,367   2,850   6,926   4,399   199     48    80  11,556   11,066   3,961  4,130   3,948   61.4% 59.4% 58.7%
09/11/03  16,770     252       0      332   1,346  1,407  1,405  18,700   2,800   6,987   4,380   187     62    86  11,577   11,280   4,323  4,267   3,982   60.5% 60.5% 60.1%
09/12/03  17,052     252       0      326   1,384  1,416  1,403  19,014   2,750   7,101   4,384   176     56    97  11,702   11,392   4,562  4,353   4,030   60.1% 60.6% 60.7%
09/13/03  16,911     252       0      312   1,373  1,421  1,402  18,848   2,700   7,176   4,382   149     38    80  11,749   11,470   4,399  4,364   4,059   61.1% 60.6% 61.3%
09/14/03  16,353     252       0      314   1,398  1,416  1,405  18,317   2,650   7,121   4,391   130     40    73  11,675   11,519   3,992  4,343   4,054   62.6% 61.3% 61.7%
09/15/03  15,782     252       0      295   1,440  1,423  1,417  17,769   2,600   7,145   3,440   138     71    72  10,724   11,219   4,445  4,289   4,080   59.2% 61.0% 60.2%
09/16/03  15,337     252       0      291   1,580  1,431  1,421  17,460   2,600   7,158   2,809   144     44    71  10,138   10,688   4,722  4,343   4,120   56.8% 59.6% 57.6%
09/17/03  15,733     252       0      283   1,493  1,432  1,418  17,761   2,550   7,173   3,481   150     40    68  10,831   10,402   4,380  4,403   4,135   59.8% 58.6% 56.1%
09/18/03  16,220     252       0      280   1,355  1,424  1,413  18,107   2,500   7,161   4,389   149     38    88  11,748   10,724   3,859  4,337   4,120   63.6% 60.1% 58.0%
09/19/03  16,329     252       0      273   1,328  1,423  1,410  18,182   2,450   7,169   4,384   143     46    76  11,726   11,252   4,006  4,257   4,114   63.3% 62.2% 60.9%
09/20/03  15,587     252       0      254   1,368  1,416  1,407  17,461   2,450   7,153   4,387   132     50    72  11,693   11,548   3,318  4,103   4,074   65.8% 64.2% 62.9%
09/21/03  14,996     252       0      228   1,351  1,416  1,409  16,827   2,400   7,125   4,326   133     25    74  11,632   11,515   2,795  3,932   4,013   67.9% 65.6% 63.2%
09/22/03  14,547     252       0      218   1,437  1,395  1,410  16,454   2,350   6,808   4,498   169     43    81  11,513   11,432   2,591  3,667   3,949   68.4% 67.4% 63.3%
09/23/03  14,266     252       0      203   1,432  1,365  1,404  16,153   2,350   7,097   4,406   198     29    86  11,758   11,420   2,045  3,285   3,866   71.0% 69.1% 63.9%
09/24/03  13,603     252       0      203   1,286  1,350  1,398  15,344   2,300   6,298   4,398   182     30    87  10,935   11,168   2,109  2,960   3,793   69.5% 69.7% 63.3%
09/25/03  13,519     252       0      212   1,246  1,336  1,391  15,229   2,250   5,797   4,412   163     35    94  10,432   10,803   2,547  2,773   3,743   66.8% 69.2% 62.1%
09/26/03  13,659     252       0      211   1,233  1,326  1,388  15,355   2,250   5,937   4,417   146     63    84  10,522   10,420   2,583  2,570   3,698   67.0% 67.8% 60.7%
09/27/03  13,239     252       0      243   1,300  1,326  1,386  15,034   2,200   6,097   4,440   133     60    71  10,681   10,367   2,153  2,403   3,641   69.7% 67.8% 61.3%
09/28/03  13,010     252       0      240   1,350  1,310  1,384  14,852   2,200   5,879   4,493   136     50    62  10,518   10,421   2,134  2,309   3,587   69.5% 68.7% 62.5%
09/29/03  12,730     252       0      245   1,321  1,302  1,384  14,548   2,150   5,480   4,501   114      0    54  10,150   10,297   2,248  2,260   3,541   68.6% 69.3% 62.8%
09/30/03  12,841     252       0      243   1,375  1,311  1,382  14,711   2,150   5,277   4,488    90      0    67   9,921   10,039   2,640  2,345   3,511   66.4% 68.2% 62.1%


  Total  463,778   7,560       0    8,831  41,549 41,649 42,206 521,718  78,950 203,501 127,779 5,014  1,180 2,326 337,441  332,727 105,327 112,327115,337 1906.5%1898.81812.0%
Average   15,459     252       0      294   1,385  1,388  1,407  17,391   2,632   6,783   4,259   167     39    78  11,248   11,091   3,511  3,744           63.6% 63.3% 60.4%