U.S. Bureau of Reclamation - Central Valley Operations Office
Delta Outflow Computation (values in c.f.s.)

JANUARY 1998
          Estimated numbers are in bold italic print
                                                DELTA INFLOW                                                            DELTA EXPORTS                                               OUTFLOW INDEX
           Sacto R              Yolo +  East Side      S. Joaquin River@Vernalis  Total              Clifton              Contra    Byron               Total   3-day                                   Export/
          @Freeport    SRTP      Misc    Streams            7-day      Monthly    Delta               Court     Tracy     Costa    Bethany     NBA      Delta      Avg       NDOI   7-day      Monthly  Inflow
   Date   -prev day--prev wk- -prev day--prev day--prev day- Average   Average    Inflow     NDCU   (CLT)     (TRA)     (CCC)     (BBID)               Exports  TRA & CLT   daily      Avg       Avg    (%)
 01/01/98    14,734       217         9       723     1,681     1,703     1,650    17,364     1,700     7,224     4,082       113         0        29    11,448    11,359     4,216     5,065     4,216  65.1%
 01/02/98    14,473       218         9       723     1,650     1,691     1,656    17,073     1,650     7,217     4,091       118         0        31    11,457    11,333     3,967     4,721     4,091  66.2%
 01/03/98    14,480       220        11       759     1,661     1,686     1,664    17,131         2     7,214     4,039       122         0        20    11,393    11,289     5,735     4,705     4,639  65.7%
 01/04/98    15,736       221        30       810     1,682     1,686     1,676    18,479       (48)    6,744     4,084       124         0        18    10,970    11,129     7,557     5,014     5,369  58.6%
 01/05/98    18,937       223       584     1,267     1,712     1,700     1,702    22,723    (3,064)    6,203     4,109       124         0        24    10,460    10,798    15,327     6,507     7,360  45.4%
 01/06/98    25,278       224       308     1,072     1,803     1,732     1,740    28,685    (3,114)    6,046     4,051       126         0        21    10,244    10,413    21,555     8,943     9,726  35.2%
 01/07/98    28,048       226       186       877     1,934     1,767     1,767    31,271    (3,849)    6,721     4,087       129         0        19    10,955    10,406    24,164    11,789    11,789  34.6%
 01/08/98    26,396       227       355       824     1,929     1,795     1,777    29,731    (2,251)    7,068     4,092       124         0        22    11,305    10,688    20,678    14,140    12,900  37.5%
 01/09/98    23,940       227       282       819     1,847     1,814     1,779    27,115    (2,301)    7,250     4,184       125         0        24    11,582    11,134    17,834    16,122    13,448  42.2%
 01/10/98    24,344       227       204       831     1,790     1,837     1,785    27,396    (1,439)    7,246     4,105       119         0        14    11,484    11,315    17,350    17,781    13,838  41.4%
 01/11/98    24,650       227       204       901     1,844     1,877     1,804    27,826    (2,808)    7,292     4,037       126         0        21    11,476    11,371    19,158    19,438    14,322  40.7%
 01/12/98    25,484       227       250     1,776     1,995     1,956     1,850    29,732    (2,858)    7,340     4,085       119         0        20    11,564    11,368    21,026    20,252    14,881  38.4%
 01/13/98    34,613       227     2,600     7,230     2,351     2,214     1,995    47,021    (8,107)    7,465     4,062       116         0        20    11,662    11,426    43,466    23,382    17,080  24.5%
 01/14/98    53,559       227     1,224     4,354     3,739     2,821     2,294    63,103    (8,385)       77     3,897       115         0        14     4,102     8,975    67,386    29,557    20,673   6.3%
 01/15/98    58,512       227       848     2,023     6,178     3,319     2,497    67,788    (9,070)       76     3,841       115         0        23     4,054     6,472    72,803    37,003    24,148   5.8%
 01/16/98    63,761       227     5,243     8,975     5,338     3,986     2,744    83,544   (10,033)       74     3,826        96         0        21     4,017     3,930    89,560    47,250    28,236   4.7%
 01/17/98    71,709       227    42,865     6,231     6,457     5,074     3,139   127,489    (9,348)       70     3,836        76         0        17     3,998     3,907   132,839    63,748    34,390   3.1%
 01/18/98    73,657       227    56,716     4,208     9,461     6,156     3,497   144,269    (4,149)       76     3,824        83         0        19     4,002     3,902   144,416    81,642    40,502   2.7%
 01/19/98    77,815       227    60,848     4,199     9,569     7,178     3,813   152,658    (8,029)       70     3,827        77         0        19     3,992     3,901   156,695   101,024    46,618   2.6%
 01/20/98    79,369       227    66,437     6,294     9,505     8,107     4,134   161,832    (5,518)       75     3,828        72         0        19     3,993     3,900   163,357   118,151    52,454   2.4%
 01/21/98    77,401       227    67,434     3,082    10,238     8,685     4,424   158,382    (3,286)       74     3,565        74         0        22     3,735     3,813   157,933   131,086    57,477   2.3%
 01/22/98    75,286       227    66,326     2,276    10,227     9,318     4,667   154,342    (3,286)       76     3,532        80         0        24     3,712     3,716   153,916   142,674    61,861   2.3%
 01/23/98    73,577       227    58,077     1,999     9,766     9,716     4,866   143,646    (3,336)       76     3,829        79         0        18     4,002     3,717   142,980   150,305    65,388   2.7%
 01/24/98    71,751       227    47,138     1,857     9,248     9,599     5,024   130,221       772        76     3,831        77         0        21     4,005     3,807   125,444   149,249    67,890   3.0%
 01/25/98    70,258       227    39,942     1,729     8,642     9,379     5,144   120,798     1,000        76     3,816        75         0        14     3,981     3,902   115,817   145,163    69,807   3.2%
 01/26/98    68,824       227    34,047     1,620     8,026     9,111     5,239   112,744     1,000        77     3,831        74         0        22     4,004     3,902   107,740   138,170    71,266   3.5%
 01/27/98    67,849       227    29,258     1,516     7,633     8,699     5,318   106,483       722        78     3,841        67         0        21     4,007     3,906   101,755   129,369    72,395   3.7%
 01/28/98    67,563       227    31,567     1,575     7,353     8,259     5,383   108,285       722     1,493     4,199        70         0        21     5,783     4,506   101,781   121,348    73,445   5.3%
 01/29/98    67,748       227    37,420     1,630     7,147     7,877     5,442   114,172       722     1,494     4,080        74         0        27     5,675     5,062   107,775   114,756    74,629   4.9%
 01/30/98    69,458       227    51,106     2,970     7,090     7,620     5,509   130,851    (2,017)    2,000     4,142        83         0        32     6,257     5,803   126,611   112,418    76,361   4.7%
 01/31/98    71,184       227    61,434     3,305     7,446     7,674     5,622   143,596    (2,067)    1,993     3,870        73         0        35     5,971     5,860   139,692   114,453    78,404   4.1%

  Total   1,550,394     6,997   762,962    78,455   166,942   156,036   101,602 2,565,750   (90,073)   99,060   122,518     3,044         0       668   225,290   227,007 2,430,533 2,085,225 1,149,605 662.7%
 Average     50,013       226    24,612     2,531     5,385     5,033     3,277    82,766    (2,906)    3,195     3,952        98         0        22     7,267     7,323    78,404    67,265    37,084  21.4%