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                                   Copan Lake
                          MONTHLY LAKE REPORT
                                 APR 09


    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  714.90    62471
 1   715.05  715.23    64346      0      977   0.240    2000   0.00  0.00
 2   715.30  715.22    64290      0     1288   0.250    1275   0.00  0.00
 3   715.16  714.98    62925      0     1464   0.050     800   0.06  0.07
 4   714.84  714.65    61049      0     1451   0.250     550   0.00  0.00
 5   714.47  714.23    58661      0     1438   0.340     250   0.00  0.00

 6   714.07  713.74    55876      0     1421   0.120     150   0.00  0.00
 7   713.60  713.29    53317      0     1402   0.210      50   0.00  0.00
 8   713.11  712.79    50474      0     1384   0.200      25   0.00  0.00
 9   712.62  712.33    47859      0     1363   0.310      25   0.00  0.00
10   712.19  711.91    45472      0     1159   0.180      25   0.25  0.11

11   711.81  711.61    43770      0      891   0.100      75   0.00  0.00
12   711.55  711.45    42862      0      884   0.240     400   0.39  0.24
13   711.45  711.32    42125      0     1137   0.020     770   0.46  0.70
14   711.25  711.09    40820      0     1312   0.050     680   0.00  0.00
15   711.01  710.80    39174      0     1302   0.210     500   0.00  0.00

16   710.67  710.51    37528      0     1114   0.270     325   0.00  0.00
17   710.45  710.45    37188      0      527   0.260     350   0.00  0.00
18   710.60  711.12    40990      0      108   0.100    2000   0.42  0.26
19   711.35  712.17    46949      0      109   0.030    3100   0.87  0.77
20   712.63  713.09    52180      0      846   0.110    3500   0.15  0.34

21   713.22  713.38    53829      0     1499   0.310    2350   0.00  0.00
22   713.42  713.42    54056      0     1505   0.250    1670   0.00  0.00
23   713.41  713.32    53488      0     1504   0.320    1280   0.00  0.00
24   713.20  713.04    51895      0     1495   0.430     750   0.00  0.00
25   712.98  712.78    50417      0     1485   0.370     750   0.00  0.00

26   712.67  712.69    49906      0     1114   0.160     880   0.00  0.94
27   712.85  713.80    56217      0      571   0.170    3750   0.29  0.99
28   714.54  715.98    68610      0      906   0.070    7160   0.45  0.93
29   716.55  718.29    85110      0     1139   0.050    9500   0.00  0.00
30   719.05  720.34   100279      0     1204   0.020    8860   0.89  1.38

TOTAL                             0    34000   5.690   53800   4.23  6.73
AVERAGE   713.30                  0     1133            1793 NORMAL= 3.43

MAXIMUM   720.34      100279   DATE=30    TOP CONSERVATION POOL    710.00
MINIMUM   710.38       36791   DATE=17    TOP FLOOD POOL           732.00

                      INFLOW VOLUME=   106711 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION