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                                  Oologah Lake
                          MONTHLY LAKE REPORT
                                 SEP 99


    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  637.83   547085
 1   637.80  637.77   545272      0        0   0.320       0   0.00  0.00
 2   637.78  637.76   544970      0        0   0.310       0   0.00  0.00
 3   637.76  637.72   543761      0        0   0.170       0   0.00  0.00
 4   637.71  637.68   542553      0        0   0.280       0   0.00  0.00
 5   637.70  637.69   542856      0        0   0.200       0   0.00  0.05

 6   637.69  637.66   541949      0        0   0.110       0   0.00  0.03
 7   637.66  637.71   543460      0        0   0.240       0   0.00  0.00
 8   637.75  637.63   541043      0        0   0.250       0   0.48  0.65
 9   637.61  637.58   539533      0        0   0.290       0   0.00  0.00
10   637.57  637.65   541648      0        0   0.290     150   0.00  0.00

11   637.69  637.71   543460      0        0   0.080    1100   0.75  0.88
12   637.80  637.82   546782      0        0   0.130    1850   1.52  0.26
13   637.82  637.81   546480      0        0   0.090     170   0.54  0.27
14   637.81  637.80   546178      0        0   0.250     170   0.00  0.00
15   637.82  637.81   546480      0        0   0.260     150   0.00  0.00

16   637.84  637.79   545875      0        0   0.230     150   0.00  0.00
17   637.77  637.75   544668      0        0   0.260     100   0.00  0.00
18   637.71  637.74   544365      0        0   0.160     100   0.00  0.00
19   637.75  637.79   545875      0        0   0.030     100   0.14  0.48
20   637.76  637.86   547990      0        0   0.090     100   0.59  0.46

21   637.83  637.75   544668      0        0   0.060     100   0.01  0.04
22   637.75  637.74   544365      0        0   0.230     100   0.00  0.00
23   637.72  637.71   543460      0        0   0.200     100   0.00  0.00
24   637.70  637.68   542553      0        0   0.190     100   0.00  0.00
25   637.71  637.72   543761      0        0   0.240     100   0.15  0.04

26   637.75  637.70   543158      0        0   0.000     100   0.61  0.20
27   637.76  637.89   548897      0        0   0.140    1800   0.00  0.26
28   637.89  637.86   547990      0        0   0.020     500   1.09  1.27
29   637.91  637.84   547387      0        0   0.000     700   0.14  0.24
30   637.89  638.11   555700      0        0   0.190    4000   0.00  0.00

TOTAL                             0        0   5.310   11740   6.02  5.13
AVERAGE   637.76                  0        0             391 NORMAL= 4.45

MAXIMUM   638.11      555700   DATE=30    TOP CONSERVATION POOL    638.00
MINIMUM   637.53      538024   DATE=10    TOP FLOOD POOL           661.00

                      INFLOW VOLUME=    23286 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION