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                                  Heyburn Lake
                          MONTHLY LAKE REPORT
                                 FEB 97


    POOL ELEVATIONS  STORAGE     RELEASES       EVAP  INFLOW   RAINFALL
DAY      FT-NGVD     2400HR         DSF        INCHES   ADJ     INCHES
      0800    2400    AC-FT   POWER    TOTAL  8A TO 8A  DSF    7A TO  7A
                                                               DAM   BSN
PRIOR MONTH  761.64     7236
 1   761.65  761.65     7245      0        6   0.000      10   0.00  0.00
 2   761.65  761.65     7245      0        6   0.000       5   0.00  0.00
 3   761.65  761.65     7245      0        6   0.000       5   0.00  0.00
 4   761.67  761.65     7245      0        6   0.000       5   0.00  0.00
 5   761.65  761.64     7236      0        5   0.000       5   0.00  0.00

 6   761.64  761.66     7254      0        6   0.000      15   0.00  0.00
 7   761.67  761.69     7280      0        8   0.000      20   0.37  0.34
 8   761.70  761.69     7280      0        8   0.000      10   0.00  0.07
 9   761.70  761.69     7280      0        9   0.000      10   0.00  0.00
10   761.69  761.69     7280      0        8   0.000       5   0.07  0.03

11   761.69  761.69     7280      0        8   0.000       5   0.00  0.00
12   761.69  761.68     7271      0        8   0.000       5   0.00  0.00
13   761.68  761.67     7263      0        8   0.000       5   0.00  0.00
14   761.68  761.67     7263      0        7   0.000       5   0.00  0.00
15   761.67  761.67     7263      0        7   0.000       5   0.00  0.00

16   761.66  761.66     7254      0        7   0.000       5   0.00  0.00
17   761.66  761.64     7236      0        6   0.000       5   0.00  0.00
18   761.66  761.65     7245      0        6   0.000       5   0.00  0.00
19   761.65  761.66     7254      0        6   0.000      10   0.00  0.01
20   761.70  765.49    11384      0      260   0.000    2350   0.84  0.72

21   766.57  765.72    11673      0     1492   0.000    1600   2.07  1.88
22   765.17  764.28     9921      0     1030   0.000     150   0.00  0.02
23   763.93  763.39     8935      0      548   0.000      50   0.00  0.00
24   763.19  762.89     8409      0      305   0.000      50   0.00  0.00
25   762.80  762.57     8101      0      189   0.000      50   0.00  0.00

26   762.59  765.58    11498      0      728   0.000    2450   1.17  1.03
27   765.35  764.38    10039      0     1061   0.000     300   0.10  0.17
28   764.16  763.51     9064      0      606   0.000     100   0.00  0.00

TOTAL                             0     6350   0.000    7240   4.62  4.27
AVERAGE   762.48                  0      227             259 NORMAL= 1.63

MAXIMUM   766.58       12792   DATE=21    TOP CONSERVATION POOL    761.50
MINIMUM   761.63        7228   DATE=18    TOP FLOOD POOL           784.00

WATER SUPPLY:  WITHDRAWN      0 AC-FT, RELEASED      0 AC-FT

                      INFLOW VOLUME=    14360 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION