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                                   Birch Lake
                          MONTHLY LAKE REPORT
                                 DEC 09


    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  750.59    19328
 1   750.61  750.58    19316      0        1   0.080       1   0.00  0.00
 2   750.59  750.58    19316      0        1   0.090       1   0.00  0.01
 3   750.57  750.57    19305      0        1   0.050       1   0.03  0.04
 4   750.57  750.57    19305      0        1   0.040       1   0.00  0.00
 5   750.58  750.54    19270      0        1   0.070       1   0.00  0.00

 6   750.54  750.54    19270      0        1   0.120       1   0.00  0.00
 7   750.53  750.55    19282      0        1   0.010       1   0.01  0.01
 8   750.54  750.55    19282      0        1   0.010       5   0.00  0.00
 9   750.54  750.54    19270      0        1   0.010       1   0.10  0.11
10   750.51  750.53    19259      0        1   0.040       1   0.00  0.00

11   750.52  750.51    19236      0        1   0.050       1   0.00  0.00
12   750.51  750.52    19247      0        1   0.090       1   0.00  0.00
13   750.51  750.49    19213      0        1   0.020       1   0.00  0.00
14   750.52  750.48    19202      0        1   0.080       1   0.00  0.00
15   750.50  750.49    19213      0        1   0.050       1   0.00  0.00

16   750.49  750.48    19202      0        1   0.050       1   0.00  0.00
17   750.47  750.46    19179      0        1   0.090       0   0.00  0.00
18   750.47  750.47    19190      0        1   0.100       0   0.00  0.00
19   750.46  750.46    19179      0        1   0.080       0   0.00  0.00
20   750.45  750.46    19179      0        1   0.010       0   0.00  0.00

21   750.46  750.44    19156      0        1   0.050       0   0.00  0.00
22   750.45  750.45    19167      0        1   0.090       0   0.00  0.00
23   750.50  750.51    19236      0        0   0.010       0   0.07  0.06
24   750.52  750.68    19431      0        0   0.000       0   0.60  0.32
25   750.72  750.73    19488      0        0   0.010       0   0.24  0.21

26   750.73  750.75    19511      0        0   0.080       0   0.00  0.00
27   750.76  750.77    19534      0        0   0.040       0   0.06  0.03
28   750.77  750.79    19557      0        0   0.030       0   0.01  0.01
29   750.80  750.85    19625      0        1   0.050      20   0.10  0.10
30   750.86  750.91    19694      0        1   0.010      30   0.11  0.07
31   750.94  751.01    19809      0        1   0.000      50   0.03  0.16

TOTAL                             0       23   1.510     120   1.36  1.13
AVERAGE   750.59                  0        1               4 NORMAL= 1.47

MAXIMUM   751.01       19809   DATE=31    TOP CONSERVATION POOL    750.50
MINIMUM   750.44       19156   DATE=22    TOP FLOOD POOL           774.00

                      INFLOW VOLUME=      238 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION