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                                   Copan Lake
                          MONTHLY LAKE REPORT
                                 DEC 98


    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  710.49    45862
 1   710.54  710.62    46510      0      149   0.130     500   0.02  0.06
 2   710.66  710.73    47059      0      149   0.120     440   0.00  0.00
 3   710.77  710.72    47009      0      307   0.110     295   0.00  0.00
 4   710.75  710.66    46710      0      429   0.090     290   0.17  0.05
 5   710.63  710.56    46211      0      428   0.090     200   0.00  0.00

 6   710.58  711.10    48934      0      429   0.140    1800   0.01  0.03
 7   711.33  711.55    51308      0      650   0.010    1850   0.93  0.95
 8   711.60  711.45    50781      0     1350   0.010    1100   0.00  0.00
 9   711.39  711.17    49304      0     1524   0.070     795   0.00  0.00
10   711.03  710.76    47209      0     1509   0.090     465   0.00  0.00

11   710.61  710.50    45912      0     1027   0.060     380   0.00  0.00
12   710.46  710.34    45113      0      636   0.060     240   0.00  0.00
13   710.28  710.20    44414      0      633   0.060     290   0.00  0.00
14   710.13  710.05    43665      0      466   0.060     100   0.00  0.00
15   710.00  710.02    43516      0      248   0.090     185   0.00  0.00

16   710.04  710.02    43516      0      107   0.100     120   0.00  0.00
17   710.05  710.03    43566      0      107   0.100     125   0.00  0.00
18   710.00  710.16    44214      0       61   0.170     400   0.00  0.00
19   710.27  710.34    45113      0       25   0.050     500   0.69  0.51
20   710.39  710.53    46061      0       25   0.040     450   0.00  0.02

21   710.61  710.69    46860      0       25   0.000     400   0.00  0.00
22   710.65  710.72    47009      0       25   0.010     250   0.00  0.00
23   710.75  710.76    47209      0      136   0.040     200   0.00  0.00
24   710.73  710.73    47059      0      211   0.020     190   0.00  0.00
25   710.73  710.71    46960      0      211   0.040     180   0.00  0.00

26   710.71  710.70    46910      0      211   0.080     180   0.00  0.00
27   710.71  710.70    46910      0      211   0.100     170   0.00  0.00
28   710.70  710.69    46860      0      211   0.050     195   0.00  0.00
29   710.67  710.57    46261      0      443   0.060     160   0.00  0.00
30   710.48  710.35    45163      0      636   0.120     100   0.00  0.00
31   710.48  710.24    44614      0      393   0.100     125   0.00  0.00

TOTAL                             0    12974   2.270   12675   1.82  1.62
AVERAGE   710.59                  0      419             409 NORMAL= 1.36

MAXIMUM   711.60       51572   DATE= 8    TOP CONSERVATION POOL    710.00
MINIMUM   709.98       43322   DATE=15    TOP FLOOD POOL           732.00

                      INFLOW VOLUME=    25140 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION