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/ OCT <br />ME MO <br />TO: Board of Managers <br />Mlinnehaha Creek Wat?rshed District <br />FROM: Eugene A. Hickok anJ Associates <br />DATE: October 20, 1988 <br />RE: Lake Level, Flow and Precipitation Summary for September 1938. <br />Lake levels in Lake Minnetonka rave continued to decline through September as <br />illustrated by the attached graph and lake elevations. There has not been any <br />discharge from Lake Minnetonka to Minnehaha Creek since November 17, 1986. <br />Creek flow at the Browndale Ave. dam in Edina during September is shown below. <br />The 30 year average precipitation for September at the National Weather <br />Service station in Maple Plan is 2.83 inches. The actual precipitation <br />recorded in Wayzata for September was 3.04 inches. A summary of precipitation <br />follows. <br />Maple Plain <br />Minneapolis -St. Paul <br />Intern'l Airport <br />Wayzata <br />PRECIPITATION SUMMARY <br />SEPTEMBER 1988 <br />Actual <br />2.79 <br />3.04 <br />MONTHLY FLOW SUMMARY <br />Grays Bay <br />(cfs ) <br />30 Year Average <br />2.83 <br />2.50 <br />Browndale Ave. Dam <br />(cfs ) <br />September 7 0 <br />2.5 <br />September 14 0 <br />2.5 <br />September 21 0 <br />5.0 <br />September 28 0 <br />5.5 <br />