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                               Ft Gibson Lake, OK
                          MONTHLY LAKE REPORT
                                 APR 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  554.65   377745
 1   554.50  554.75   379675  10764    10764   0.230   11870   0.00  0.00
 2   554.60  554.76   379868  10764    10764   0.240   11000   0.00  0.00
 3   554.53  554.80   380640  10764    10764   0.240   11270   0.00  0.00
 4   554.57  554.95   383535  10764    10764   0.200   12280   0.55  0.42
 5   554.76  554.80   380640  10764    10764   0.100    9490   0.46  0.34

 6   554.86  554.97   383920  10552    10552   0.320   12320   0.00  0.08
 7   554.74  554.80   380640  11220    12494   0.210   10900   0.00  0.00
 8   554.55  555.73   399100  11232    13152   0.100   22540   0.63  0.20
 9   555.61  555.70   398500  11212    14435   0.140   14190   1.25  1.35
10   555.56  555.92   402900  11252    15344   0.100   17720   0.00  0.00

11   555.56  556.12   407008  11270    15375   0.270   17470   0.29  0.25
12   555.88  556.00   404500  11410    15371   0.040   14140   0.28  0.34
13   555.98  555.47   393899  11494    15610   0.050   10330   0.00  0.00
14   555.24  555.47   393899  11494    15496   0.100   15590   0.00  0.00
15   555.16  554.93   383149  11560    15463   0.160   10160   0.00  0.00

16   554.68  554.78   380255  11718    15504   0.210   14080   0.00  0.00
17   554.52  554.25   370025  11720    14991   0.060    9920   0.24  0.13
18   553.77  553.73   360151  11568    12916   0.160    8060   0.00  0.00
19   553.74  553.70   359590  11328    11328   0.230   11160   0.00  0.00
20   553.58  553.63   358281  11328    11328   0.200   10790   0.00  0.00

21   553.46  553.85   362395  11292    11292   0.230   13440   0.03  0.01
22   553.69  553.96   364452   8162     8162   0.130    9280   0.02  0.03
23   554.01  554.28   370605   6610     6610   0.140    9790   0.03  0.04
24   554.18  554.42   373306  11116    11116   0.130   12520   0.00  0.00
25   554.21  554.20   369060  11116    11116   0.080    9000   0.01  0.04

26   554.30  554.29   370797  10984    10984   0.050   11870   0.20  0.09
27   554.15  554.14   367902  10904    10904   0.020    9485   0.39  0.18
28   553.94  554.03   365780  10674    10674   0.070    9710   0.01  0.02
29   553.90  554.14   367902   8834     8834   0.190   10070   0.00  0.00
30   553.97  554.14   367902   9516     9516   0.290    9640   0.00  0.00

TOTAL                        323386   362387   4.690  360085   4.39  3.52
AVERAGE   554.69              10780    12080           12003 NORMAL= 4.17

MAXIMUM   556.12      407008   DATE=11    TOP CONSERVATION POOL    554.00
MINIMUM   553.46      355102   DATE=21    TOP FLOOD POOL           582.00

                      INFLOW VOLUME=   714218 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION