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                                     Birch Lake
                          MONTHLY LAKE REPORT
                                 MAY 10


    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  750.54    19270
 1   750.55  750.56    19293      0        1   0.100      10   0.21  0.32
 2   750.56  750.55    19282      0        1   0.050       5   0.01  0.02
 3   750.54  750.54    19270      0        1   0.250       5   0.00  0.00
 4   750.53  750.53    19259      0        1   0.280       5   0.00  0.00
 5   750.53  750.52    19247      0        1   0.370       5   0.00  0.00

 6   750.52  750.50    19225      0        1   0.320       5   0.00  0.00
 7   750.50  750.48    19202      0        1   0.430       5   0.00  0.00
 8   750.47  750.46    19179      0        1   0.260       5   0.00  0.00
 9   750.45  750.46    19179      0        1   0.220       5   0.00  0.00
10   750.46  750.47    19190      0        1   0.090       5   0.27  0.29

11   750.47  750.47    19190      0        1   0.020       5   0.08  0.13
12   750.48  750.47    19190      0        1   0.130       5   0.01  0.00
13   750.66  750.69    19442      0        1   0.110     130   1.17  0.98
14   750.75  750.85    19625      0        1   0.040      80   0.36  0.34
15   750.88  750.91    19694      0        1   0.030      50   0.11  0.15

16   750.92  750.94    19728      0        1   0.030      20   0.09  0.12
17   750.95  750.94    19728      0        1   0.080      10   0.00  0.02
18   750.94  750.94    19728      0        1   0.140      10   0.00  0.00
19   750.99  752.62    21730      0        1   0.260     900   0.00  0.01
20   752.90  753.05    22253      0        1   0.010     250   2.19  2.13

21   753.08  752.80    21948      0      171   0.100      50   0.00  0.01
22   752.66  752.32    21366      0      277   0.300      30   0.00  0.00
23   752.18  751.84    20789      0      275   0.280      10   0.00  0.00
24   751.68  751.34    20199      0      273   0.340       7   0.00  0.00
25   751.17  750.84    19614      0      270   0.330       5   0.00  0.00

26   750.66  750.62    19362      0      115   0.250       4   0.00  0.00
27   750.61  750.61    19350      0        1   0.200       4   0.00  0.00
28   750.61  750.60    19339      0        1   0.240       3   0.00  0.00
29   750.59  750.59    19328      0        1   0.320       2   0.00  0.00
30   750.57  750.57    19305      0        1   0.300       2   0.00  0.00
31   750.57  750.57    19305      0        1   0.320      10   0.22  0.25

TOTAL                             0     1407   6.200    1642   4.72  4.77
AVERAGE   750.96                  0       45              53 NORMAL= 5.00

MAXIMUM   753.08       22291   DATE=21    TOP CONSERVATION POOL    750.50
MINIMUM   750.45       19167   DATE= 9    TOP FLOOD POOL           774.00

                      INFLOW VOLUME=     3257 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION