WATER RESOURCES OF ORANGE COUNTY 75
8
I, II I
7
6
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5
z
z
4 .............. ...
0
Okecobebewe 1941.and.1946.(Kohlr,.1954)..Departure .--.
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J F M A M J J A S 0 N D
Figure e 34. Estimated aver age monthly evapor ation from lakes.
Okeechobee between 1941 and 1946 (Kohler, 1954). Departures of lake evaporation from average are small in comparison to departures from average in rainfall. Figure 35 shows the monthly average change in stage of three lakes in Orange County in comparison with the monthly differences in the average rainfall and average evaporation. In general, when the difference is