07/01/1999
U.S. Bureau of Reclamation - Central Valley Operations Office
Delta Outflow Computation (values in c.f.s.)
         Preliminary Data - Subject to Change
 JUNE 1999
           Estimated numbers are in bold italic print
                                           DELTA INFLOW                                                          DELTA EXPORTS                                         OUTFLOW INDEX       Export/Inflow
            Sacto R         Yolo + East Side      S. Joaquin River@Vernalis  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 day--prev w-prev d-prev day--prev day- Average   Average    Inflow    NDCU    (CLT)     (TRA)     (CCC)   (BBID)         Exports  TRA & CLT   daily      Avg       Avg      (%)    (%)    (%)
 06/01/99    19,781    197    713    1,654     3,395     3,496     3,232     25,740   3,050     780      1,700      315      71     60     2,784     2,357     19,906    19,051    19,906   9.4%   8.9%   9.2%
 06/02/99    19,846    196    735    1,634     3,232     3,430     3,230     25,643   3,100     722      2,339      377      83     52     3,407     2,610     19,136    19,083    19,521   11.6%  9.9%   10.3%
 06/03/99    19,403    196    753    1,612     3,227     3,385     3,254     25,191   3,150     816      3,350      384      86     59     4,523     3,236     17,518    18,930    18,853   16.2%  12.4%  12.8%
 06/04/99    19,965    195    647    1,642     3,304     3,340     3,272     25,753   3,200     830      3,758      385      99     74     4,947     3,938     17,606    18,810    18,541   17.4%  15.1%  15.5%
 06/05/99    20,070    195    616    1,592     3,323     3,313     3,288     25,796   3,250     845      3,765      384      50     71     5,015     4,455     17,531    18,693    18,339   17.7%  17.1%  17.6%
 06/06/99    21,066    194    543    1,549     3,353     3,312     3,299     26,705   3,300     847      3,765      385      50     73     5,020     4,604     18,385    18,517    18,347   17.1%  17.4%  18.0%
 06/07/99    21,621    194    530    1,523     3,352     3,306     3,306     27,220   3,350     783      3,764      386      53     73     4,952     4,590     18,918    18,429    18,429   16.5%  17.1%  17.9%
 06/08/99    21,337    193    493    1,499     3,353     3,321     3,310     26,875   3,400     805      3,246      368      75     67     4,410     4,403     19,065    18,308    18,508   14.8%  16.1%  17.0%
 06/09/99    20,257    193    512    1,480     3,338     3,339     3,315     25,780   3,450     837      2,821      386      76     58     4,028     4,085     18,302    18,189    18,485   13.9%  15.1%  15.7%
 06/10/99    18,669    193    559    1,459     3,349     3,345     3,318     24,229   3,500     851      2,827      305      133    68     3,917     3,796     16,812    18,088    18,318   14.6%  14.4%  14.5%
 06/11/99    17,592    193    623    1,442     3,350     3,340     3,315     23,200   3,550     217      2,786      335      129    82     3,291     3,446     16,359    17,910    18,140   12.4%  13.7%  13.1%
 06/12/99    16,419    193    658    1,330     3,283     3,326     3,310     21,883   3,600     844      2,761      338      126    84     3,900     3,428     14,383    17,461    17,827   15.9%  14.3%  13.0%
 06/13/99    16,308    193    653    1,223     3,259     3,319     3,310     21,636   3,650     817      2,772      337      50     70     3,946     3,399     14,040    16,840    17,535   16.4%  14.8%  13.2%
 06/14/99    15,749    193    598    1,217     3,303     3,320     3,313     21,060   3,700     846      2,709      204      113    61     3,706     3,583     13,654    16,088    17,258   16.3%  16.2%  14.1%
 06/15/99    15,691    193    610    1,220     3,357     3,315     3,313     21,071   3,750     812      2,638      157      113    43     3,537     3,531     13,784    15,333    17,027   15.8%  16.2%  14.1%
 06/16/99    15,065    193    675    1,189     3,305     3,309     3,312     20,427   3,800     793      2,741      176      115    68     3,662     3,513     12,965    14,571    16,773   16.7%  16.3%  14.1%
 06/17/99    15,145    193    711    1,168     3,304     3,298     3,310     20,521   3,850     850      2,767      175      129    84     3,748     3,533     12,923    14,016    16,546   17.0%  16.5%  14.4%
 06/18/99    15,024    193    732    1,162     3,272     3,267     3,296     20,383   3,900     843      2,773      176      101    91     3,783     3,589     12,700    13,493    16,333   17.2%  17.0%  14.9%
 06/19/99    15,008    193    748    1,155     3,070     3,229     3,280     20,174   3,950     833      2,761      170      101    85     3,748     3,609     12,476    13,220    16,130   17.3%  17.2%  15.3%
 06/20/99    14,989    193    747    1,141     2,990     3,197     3,270     20,060   4,000     849      2,762      177      63     75     3,799     3,607     12,261    12,966    15,936   17.7%  17.4%  15.7%
 06/21/99    14,688    193    739    1,120     3,080     3,180     3,269     19,820   4,050     841      3,020      171      123    67     3,976     3,688     11,794    12,700    15,739   18.9%  17.9%  16.4%
 06/22/99    14,811    193    698    1,008     3,240     3,155     3,262     19,950   4,100     850      3,418      154      59     74     4,436     3,913     11,414    12,362    15,542   21.1%  19.2%  17.9%
 06/23/99    14,764    193    640    1,013     3,130     3,129     3,256     19,740   4,100     844      3,886      164      117    95     4,872     4,286     10,768    12,048    15,335   23.4%  21.1%  19.9%
 06/24/99    14,576    193    699    1,055     3,124     3,085     3,244     19,647   4,150     853      4,292      184      127    89     5,290     4,714     10,207    11,660    15,121   25.5%  23.3%  22.3%
 06/25/99    14,550    193    777    1,045     2,958     3,043     3,225     19,523   4,200      60      4,435      202      140    98     4,654     4,790     10,669    11,370    14,943   22.3%  23.7%  22.8%
 06/26/99    14,970    193    767    1,033     2,781     3,003     3,206     19,744   4,200    2,500     4,429      199      126    93     7,094     5,522     8,450     10,795    14,693   34.5%  27.5%  26.6%
 06/27/99    15,488    193    813    1,024     2,706     2,953     3,188     20,224   4,250    2,500     4,422      185      126    85     7,066     6,115     8,908     10,316    14,479   33.6%  30.2%  29.7%
 06/28/99    15,813    193    834    1,017     2,734     2,888     3,174     20,591   4,250    3,075     4,423      159      163    35     7,529     7,116     8,812     9,890     14,277   35.6%  34.6%  34.7%
 06/29/99    17,154    193    807    1,007     2,781     2,816     3,155     21,942   4,300    3,110     4,434      129      144    44     7,573     7,321     10,069    9,698     14,132   33.7%  34.3%  35.5%
 06/30/99    19,124    193    778    1,001     2,628     2,732     3,134     23,724   4,300    3,290     4,441      197      164    51     7,815     7,591     11,609    9,818     14,048   31.9%  33.7%  36.4%
 
 
   Total    514,943   5,806 20,408   38,214    94,881    96,492    97,965   674,252  112,400   33,743   100,003    7,662    3,107  2,125  140,427   128,371   421,425   448,652   505,061  592.5% 568.5% 552.5%
  Average    17,165    194    680    1,274     3,163     3,216     3,265     22,475   3,747    1,125     3,333      255      104    71     4,681     4,279     14,048    14,955             19.7%  19.0%  18.4%