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                                   Birch Lake
                          MONTHLY LAKE REPORT
                                 MAY 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  761.10    33493
 1   760.90  760.46    32477      0      527   0.310      20   0.00  0.00
 2   760.24  759.81    31465      0      527   0.350      10   0.00  0.00
 3   759.58  758.89    30081      0      670   0.220      10   0.01  0.00
 4   760.47  762.58    35950      0      270   0.210    3250   2.47  1.72
 5   762.69  762.78    36288      0        0   0.200     170   0.81  1.02

 6   762.83  762.70    36153      0      141   0.250      90   0.15  0.16
 7   762.57  762.27    35426      0      351   0.320      30   0.00  0.00
 8   762.16  761.88    34772      0      360   0.430      20   0.00  0.00
 9   761.73  761.45    34067      0      360   0.330      20   0.00  0.00
10   761.36  761.05    33411      0      359   0.360      40   0.24  0.26

11   760.91  760.66    32793      0      360   0.190      50   0.00  0.00
12   760.51  760.24    32130      0      360   0.070      30   0.36  0.29
13   760.10  759.59    31133      0      493   0.270      15   0.00  0.00
14   759.34  758.82    29980      0      553   0.330       1   0.00  0.00
15   758.56  758.05    28862      0      523   0.330       0   0.00  0.00

16   757.78  757.27    27771      0      518   0.240       0   0.00  0.00
17   757.15  757.48    28064      0      227   0.150     380   0.57  0.71
18   757.50  757.32    27840      0      130   0.100      30   0.69  0.58
19   757.14  756.61    26865      0      449   0.310       1   0.00  0.00
20   756.37  755.98    26012      0      401   0.340       0   0.00  0.00

21   755.95  755.82    25801      0      162   0.380      60   0.64  0.79
22   755.68  757.18    27645      0      265   0.150    1195   0.00  0.00
23   758.39  758.73    29849      0       97   0.050    1220   3.43  1.89
24   758.76  758.38    29341      0      276   0.270      30   0.00  0.00
25   758.09  757.49    28078      0      595   0.250       1   0.00  0.00

26   757.22  756.58    26825      0      588   0.020       0   0.10  0.15
27   756.31  755.62    25538      0      580   0.270       0   0.00  0.00
28   755.33  754.66    24285      0      572   0.280       0   0.00  0.00
29   754.33  753.67    23028      0      564   0.320       0   0.00  0.00
30   753.33  752.63    21742      0      556   0.180       0   0.00  0.00
31   752.71  752.93    22106      0      421   0.240     180   1.19  1.31

TOTAL                             0    12255   7.720    6853  10.66  8.88
AVERAGE   758.37                  0      395             221 NORMAL= 5.00

MAXIMUM   762.84       36389   DATE= 6    TOP CONSERVATION POOL    750.50
MINIMUM   752.63       21742   DATE=30    TOP FLOOD POOL           774.00

                      INFLOW VOLUME=    13593 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION