Hydrology – 40 DAVIS LAKE – WATER BUDGET

Hydrology of Crater, East and Davis Lakes, Oregon by Kenneth N. Phillips
 DAVIS LAKE

 

WATER BUDGET

The average annual water budget of Davis Lake is about as follows:

  1. Infalling precipitation, 36 inches depth (8,000 acre-ft).
  2. Inflow from tributary area, 150 cfs (109,000 acre-fit).
  3. Evaporation loss, 30 inches depth (8,000 acre-ft).
  4. Outflow by seepage, 150 cfs (109,000 acre-ft).

The observed lake level has ranged from a minimum of 4,375.9 feet on October 20, 1942, to a maximum of 4,393.2 feet (contents, about 45,000 acre-ft), high-watermark of 1957.

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