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                                   Birch Lake
                          MONTHLY LAKE REPORT
                                 MAY 98


    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  756.97    27353
 1   756.84  756.28    26418      0      479   0.050      15   0.00  0.00
 2   756.06  755.56    25459      0      478   0.250      15   0.00  0.00
 3   755.33  754.83    24503      0      478   0.200      10   0.00  0.00
 4   754.65  754.09    23555      0      478   0.300      10   0.00  0.00
 5   753.94  753.37    22653      0      466   0.310       5   0.13  0.11

 6   753.12  752.61    21718      0      477   0.220       5   0.00  0.00
 7   752.41  751.97    20943      0      385   0.140       5   0.12  0.24
 8   751.84  751.51    20399      0      255   0.036       5   0.00  0.00
 9   751.32  751.13    19951      0      268   0.340      35   0.00  0.01
10   751.00  750.70    19454      0      271   0.120      30   0.57  0.56

11   750.58  750.52    19247      0      114   0.270      20   0.00  0.00
12   750.51  750.50    19225      0        7   0.410      10   0.00  0.00
13   750.49  750.48    19202      0        7   0.370      10   0.00  0.00
14   750.49  750.47    19190      0        7   0.400       5   0.00  0.00
15   750.46  750.44    19156      0        7   0.210       5   0.00  0.03

16   750.44  750.42    19133      0        7   0.410       5   0.00  0.12
17   750.41  750.39    19099      0        7   0.370       5   0.00  0.00
18   750.38  750.36    19064      0        7   0.300       5   0.00  0.00
19   750.35  750.36    19064      0        7   0.340       5   0.00  0.00
20   750.34  750.31    19007      0        7   0.270       0   0.00  0.00

21   750.30  750.30    18995      0        7   0.252       0   0.00  0.00
22   750.29  750.27    18961      0        7   0.321       0   0.00  0.00
23   750.27  750.25    18938      0        7   0.220       0   0.00  0.00
24   750.24  750.19    18870      0        7   0.220       0   0.00  0.00
25   750.24  750.25    18938      0        7   0.330      30   1.19  1.15

26   750.27  750.30    18995      0        7   0.130      40   0.49  0.46
27   750.29  750.29    18984      0        7   0.220      10   0.03  0.03
28   750.28  750.27    18961      0        7   0.230      10   0.00  0.00
29   750.26  750.24    18927      0        7   0.330       5   0.00  0.00
30   750.24  750.24    18927      0        7   0.340       5   0.00  0.00
31   750.21  750.20    18881      0        7   0.470       5   0.00  0.00

TOTAL                             0     4283   8.379     310   2.53  2.71
AVERAGE   751.26                  0      138              10 NORMAL= 5.00

MAXIMUM   756.97       27353   DATE= 1    TOP CONSERVATION POOL    750.50
MINIMUM   743.03       11698   DATE= 5    TOP FLOOD POOL           774.00

                      INFLOW VOLUME=      615 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION