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                                Ft Cobb Lake, OK
                          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 1342.26    74845
 1  1342.24 1342.29    74962      0        0   0.250      10   0.00  0.00
 2  1342.37 1342.26    74845      0        0   0.310      10   0.00  0.00
 3  1342.25 1342.22    74689      0        0   0.160      10   0.00  0.00
 4  1342.22 1342.31    75040      0        0   0.470      10   0.00  0.00
 5  1342.29 1342.27    74884      0        0   0.440      10   0.00  0.00

 6  1342.26 1342.23    74728      0        0   0.290      10   0.00  0.00
 7  1342.23 1342.23    74728      0        0   0.230      10   0.00  0.00
 8  1342.22 1342.24    74767      0        0   0.230      10   0.00  0.00
 9  1342.24 1342.28    74923      0        0   0.380      10   0.00  0.00
10  1342.25 1342.22    74689      0        0   0.550      10   0.00  0.00

11  1342.21 1342.25    74806      0        0   0.210     250   0.00  0.00
12  1342.26 1342.35    75195      0        0   0.230     150   0.57  0.40
13  1342.37 1342.38    75312      0        0   0.070      85   0.22  0.56
14  1342.39 1342.41    75429      0        0   0.150      55   0.00  0.00
15  1342.40 1342.43    75507      0        0   0.240      25   0.00  0.00

16  1342.41 1342.44    75546      0        0   0.260     110   0.00  0.00
17  1342.46 1342.49    75741      0        0   0.190      75   0.25  0.38
18  1342.50 1342.53    75896      0        0   0.100      35   0.00  0.01
19  1342.57 1342.54    75935      0        0   0.190      15   0.00  0.00
20  1342.53 1342.55    75974      0        0   0.160      10   0.00  0.00

21  1342.55 1342.58    76091      0        0   0.260      10   0.00  0.00
22  1342.57 1342.60    76169      0        0   0.230      10   0.00  0.00
23  1342.57 1342.58    76091      0        0   0.350      10   0.00  0.00
24  1342.57 1342.57    76052      0        0   0.360      10   0.00  0.00
25  1342.57 1342.54    75935      0        0   0.410      10   0.00  0.00

26  1342.57 1342.64    76325      0        0   0.310     250   0.00  0.09
27  1342.64 1342.65    76364      0        0   0.220     185   0.55  0.45
28  1342.64 1342.64    76325      0        0   0.170     550   0.00  0.00
29  1342.79 1342.79    76909      0        0   0.080     305   1.35  0.63
30  1342.81 1342.79    76909      0      116   0.050     165   0.16  0.26

TOTAL                             0      116   7.550    2415   3.10  2.78
AVERAGE  1342.44                  0        4              81 NORMAL= 2.54

MAXIMUM  1342.81       76987   DATE=30    TOP CONSERVATION POOL   1342.00
MINIMUM  1342.21       74650   DATE=11    TOP FLOOD POOL          1354.80

WATER SUPPLY:  WITHDRAWN    807 AC-FT

                      INFLOW VOLUME=     4790 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION