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                                  Oologah Lake
                          MONTHLY LAKE REPORT
                                 APR 16


    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  638.82   481284
 1   638.86  638.95   485108      0       60   0.190    2000   0.00  0.00
 2   638.89  638.92   484225      0       60   0.220     400   0.00  0.00
 3   638.90  638.92   484225      0       60   0.260     200   0.00  0.00
 4   638.92  638.77   479813      0     1251   0.390     200   0.00  0.00
 5   638.63  638.19   462750      0     5521   0.330     200   0.00  0.00

 6   638.20  638.05   458631      0     3917   0.450     200   0.00  0.00
 7   637.99  638.02   457749      0      792   0.300     200   0.00  0.00
 8   638.05  637.99   456880      0      255   0.330     185   0.00  0.00
 9   638.02  637.75   450158      0      208   0.280     185   0.00  0.00
10   637.84  638.09   459809      0      208   0.290    1725   0.00  0.00

11   638.17  638.26   464809      0     1315   0.270    4200   1.93  1.18
12   638.32  638.28   465398      0     4795   0.270    5460   0.01  0.08
13   638.16  638.12   460690      0     4402   0.280    2200   0.00  0.00
14   638.08  638.08   459514      0     2246   0.050    2000   0.20  0.01
15   638.09  638.08   459514      0      882   0.250    1235   0.00  0.00

16   638.11  638.12   460690      0      208   0.260    1015   0.00  0.00
17   638.12  638.20   463044      0      208   0.100    1570   0.00  0.00
18   638.35  639.07   488699      0      209   0.050   13290   1.96  1.37
19   639.32  639.82   511407      0      211   0.020   11800   0.21  0.16
20   640.12  640.66   537422      0      212   0.010   13600   1.08  0.36

21   640.83  641.05   549621      0      213   0.160    6730   0.00  0.03
22   641.18  641.30   557639      0      214   0.260    4630   0.00  0.00
23   641.36  641.44   562129      0      214   0.260    2930   0.00  0.00
24   641.47  641.65   568865      0      214   0.340    4070   0.00  0.00
25   641.65  641.57   566299      0     3837   0.350    2835   0.00  0.00

26   641.50  641.42   561487      0     6025   0.170    3870   0.00  0.00
27   641.46  641.36   559563      0     8012   0.150    7400   0.78  1.35
28   641.32  641.35   559242      0     9922   0.250   10190   0.00  0.00
29   641.44  641.68   569826      0    10000   0.310   15550   0.00  0.00
30   641.69  641.80   573674      0    10000   0.090   12279   1.13  0.59

TOTAL                             0    75671   6.940  132349   7.30  5.13
AVERAGE   639.50                  0     2522            4412 NORMAL= 3.63

MAXIMUM   641.80      573674   DATE=30    TOP CONSERVATION POOL    638.00
MINIMUM   637.75      450158   DATE= 9    TOP FLOOD POOL           661.00

WATER SUPPLY:  WITHDRAWN   7716 AC-FT

                      INFLOW VOLUME=   262510 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION