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                                   Birch Lake
                          MONTHLY LAKE REPORT
                                 APR 12


    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  746.99    14494
 1   746.98  747.04    14542      0        4   0.270       0   0.00  0.00
 2   746.93  746.98    14484      0        5   0.390       0   0.00  0.00
 3   746.92  746.92    14428      0        5   0.320       0   0.00  0.00
 4   746.92  746.88    14390      0        5   0.100       0   0.00  0.00
 5   746.86  746.84    14352      0        5   0.160       0   0.00  0.00

 6   746.83  746.79    14305      0        5   0.040       0   0.00  0.00
 7   746.80  746.92    14428      0        5   0.100      60   0.00  0.00
 8   746.92  747.00    14503      0        5   0.000      40   0.70  0.86
 9   746.99  747.00    14503      0        5   0.150      10   0.00  0.00
10   747.00  746.78    14296      0        5   0.170       5   0.00  0.00

11   746.84  746.79    14305      0        5   0.240      10   0.14  0.10
12   746.75  746.80    14314      0        5   0.120      10   0.07  0.08
13   746.75  746.88    14390      0        5   0.200      40   0.00  0.00
14   748.26  750.25    17724      0        5   0.090    1600   2.01  2.25
15   750.54  751.02    18474      0        6   0.170     350   0.58  0.77

16   750.99  751.08    18532      0        6   0.150      40   0.01  0.04
17   751.16  751.13    18581      0        6   0.200      30   0.00  0.00
18   751.18  751.20    18649      0       17   0.280      20   0.00  0.00
19   751.18  751.01    18464      0       40   0.300      10   0.00  0.00
20   750.96  751.03    18483      0       40   0.260       0   0.00  0.01

21   750.80  750.85    18308      0       40   0.160       0   0.00  0.00
22   750.82  750.60    18064      0       40   0.230       0   0.00  0.00
23   750.56  750.62    18084      0       40   0.260       0   0.00  0.00
24   750.56  750.54    18006      0       40   0.230       0   0.00  0.00
25   750.54  750.42    17889      0       20   0.350       0   0.00  0.00

26   750.44  750.54    18006      0        6   0.310       0   0.00  0.00
27   750.38  750.27    17743      0        6   0.270       0   0.00  0.00
28   750.21  750.34    17811      0        5   0.300       0   0.00  0.00
29   750.44  750.40    17870      0        6   0.080      40   0.92  0.81
30   751.03  751.28    18727      0        6   0.070     450   1.02  1.50

TOTAL                             0      392   5.970    2715   5.45  6.42
AVERAGE   749.07                  0       13              91 NORMAL= 3.34

MAXIMUM   751.28       18727   DATE=30    TOP CONSERVATION POOL    750.50
MINIMUM   746.74       14258   DATE=13    TOP FLOOD POOL           774.00

                      INFLOW VOLUME=     5385 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION