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                                   Copan Lake
                          MONTHLY LAKE REPORT
                                 APR 03


    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  711.32    42839
 1   711.31  711.34    42932      0      213   0.570     325   0.00  0.00
 2   711.32  711.26    42562      0      213   0.490      80   0.00  0.00
 3   711.29  711.28    42655      0      213   0.400     275   0.00  0.00
 4   711.30  711.31    42793      0      213   0.130     300   0.00  0.00
 5   711.33  711.30    42747      0      213   0.130     215   0.00  0.00

 6   711.32  711.33    42886      0      213   0.180     280   0.89  0.47
 7   711.35  711.44    43394      0      213   0.020     500   0.02  0.02
 8   711.45  711.48    43579      0      213   0.210     300   0.00  0.00
 9   711.52  711.43    43348      0      369   0.070     270   0.00  0.00
10   711.39  711.20    42285      0      650   0.160     150   0.00  0.00

11   711.12  711.05    41591      0      457   0.190     150   0.00  0.00
12   711.05  711.03    41499      0      212   0.230     150   0.00  0.00
13   711.02  711.00    41360      0      212   0.240     150   0.00  0.00
14   710.98  710.96    41175      0      212   0.300     150   0.00  0.00
15   710.92  710.89    40852      0      212   0.420     100   0.00  0.00

16   710.86  710.94    41083      0      212   0.210     350   0.36  0.25
17   710.93  710.89    40852      0      212   0.160     200   0.10  0.19
18   710.83  710.84    40621      0      151   0.130      75   0.00  0.00
19   710.81  710.93    41036      0      101   0.310     310   0.08  0.16
20   711.01  711.26    42562      0      102   0.020     900   0.57  0.88

21   711.43  711.54    43856      0      333   0.220    1000   0.00  0.00
22   711.57  711.43    43348      0      861   0.250     640   0.00  0.00
23   711.35  711.21    42331      0      976   0.240     475   0.00  0.00
24   711.11  711.22    42377      0      587   0.080     650   0.55  0.71
25   711.29  711.38    43117      0      213   0.200     600   0.13  0.12

26   711.43  711.48    43579      0      213   0.030     475   0.00  0.00
27   711.49  711.48    43579      0      213   0.220     350   0.00  0.00
28   711.50  711.53    43810      0      213   0.300     250   0.00  0.00
29   711.53  711.37    43070      0      471   0.220     140   0.00  0.06
30   711.30  711.16    42100      0      649   0.270     200   0.00  0.00

TOTAL                             0     9534   6.600   10010   2.70  2.86
AVERAGE   711.23                  0      318             334 NORMAL= 3.43

MAXIMUM   711.57       43995   DATE=22    TOP CONSERVATION POOL    710.00
MINIMUM   710.76       40251   DATE=18    TOP FLOOD POOL           732.00

                      INFLOW VOLUME=    19855 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION