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                                  Oologah Lake
                          MONTHLY LAKE REPORT
                                 JUL 97


    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  638.98   583231
 1   638.99  639.10   587147      0     3685   0.290    6050   0.00  0.00
 2   639.23  639.31   594041      0     4635   0.320    8550   0.00  0.00
 3   639.30  639.44   598308      0     4629   0.350    7200   0.00  0.00
 4   639.41  639.31   594041      0     4626   0.300    2800   0.70  0.67
 5   639.26  639.15   588790      0     4625   0.230    1600   0.00  0.00

 6   639.05  638.87   579751      0     4624   0.250    1200   0.00  0.00
 7   638.82  638.62   571839      0     4622   0.240    1100   0.00  0.00
 8   638.53  638.30   561712      0     4623   0.270    1000   0.00  0.18
 9   638.29  638.13   556333      0     4623   0.350    1000   0.00  0.45
10   638.08  638.14   556650      0     2542   0.150    2900   0.00  0.06

11   638.17  638.15   556967      0     1480   0.080    1950   0.82  0.07
12   638.14  638.11   555700      0     1480   0.220    1600   0.00  0.15
13   638.11  638.10   555383      0     1459   0.280    1550   0.00  0.00
14   638.11  638.09   555068      0     1454   0.310    1200   0.00  0.02
15   638.06  638.03   553169      0      733   0.260    1000   0.00  0.00

16   638.06  638.09   555068      0      343   0.240    1000   0.00  0.00
17   638.09  638.07   554434      0      343   0.290     600   0.00  0.00
18   638.10  638.11   555700      0      343   0.020     500   0.19  0.09
19   638.07  638.06   554118      0      343   0.170     300   0.00  0.00
20   638.04  638.02   552853      0      343   0.170     200   0.00  0.00

21   638.00  638.09   555068      0      221   0.180     500   0.00  0.11
22   638.02  638.03   553169      0      106   0.180     300   0.31  0.13
23   638.03  638.04   553484      0       53   0.290     600   0.00  0.00
24   638.05  638.04   553484      0       53   0.300     500   0.00  0.00
25   638.02  638.04   553484      0       53   0.380     150   0.00  0.01

26   638.02  638.01   552536      0       41   0.290     150   0.00  0.00
27   638.01  638.00   552219      0       39   0.300     150   0.00  0.00
28   637.99  638.06   554118      0       39   0.310     150   0.00  0.01
29   638.02  637.97   551312      0       39   0.310     100   0.00  0.12
30   638.01  637.93   550104      0       39   0.180     100   0.20  0.01
31   637.91  637.90   549199      0       39   0.360     100   0.00  0.00

TOTAL                             0    52273   7.870   46100   2.22  2.08
AVERAGE   638.30                  0     1686            1487 NORMAL= 3.43

MAXIMUM   639.44      598308   DATE= 3    TOP CONSERVATION POOL    638.00
MINIMUM   637.90      549199   DATE=31    TOP FLOOD POOL           661.00

                      INFLOW VOLUME=    91438 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION