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Table 4.6-3. Normal Year, Buckeye Ranch Water Balance <br /> All numbers in acre feet,Starting condition;North Lake full,South Lake at 700 ac-ft. <br /> Total Input Outputs Net Change Lake Volume <br /> Month Runoff Direct Precip W/O pumping Irrigation Evaporation Seepage Overflow Loss Total Losses Balance w/o pumping <br /> October 72.5 10.1 82.6 28.5 46.7 6.2 0.0 81.3 1.3 701.3 <br /> November 126.9 19.2 146.1 12.9 27.4 6.5 0.0 46.7 99.4 800.6 <br /> December 290.1 53.6 343.7 7.1 15.1 8.2 0.0 30.4 313.3 1114.0 <br /> January 290.1 61.6 351.8 5.6 15.4 9.4 0.0 30.4 321.3 1435.3 <br /> Febuary 262.9 60.6 323.6 8.2 39.7 9.2 0.0 57.1 266.5 1701.8 <br /> March 217.6 52.0 269.6 16.4 84.6 10.6 0.0 111.6 158.1 1859.8 <br /> April 126.9 30.4 157.3 27.9 119.2 10.2 0.0 157.4 -0.1 1859.7 <br /> May 43.5 10.0 53.5 43.5 164.8 10.2 0.0 218.5 -165.0 1694.7 <br /> June 14.5 3.1 17.6 58.5 186.4 9.2 0.0 254.1 -236.5 1458.2 <br /> July 0.0 0.0 0.0 74.9 165.0 8.6 0.0 248.4 -248.4 1209.8 <br /> August 0.0 0.0 0.0 65.0 126.4 7.7 0.0 199.1 -199.1 1010.7 <br /> September 14.5 2.3 16.8 47.5 87.5 6.9 0.0 141.8 -125.0 885.7 <br /> Totals 1459.7 302.9 1762.7 396.1 1078.2 102.8 1577.0 185.7 <br /> Assumptions <br /> 1. 10%annual runoff <br /> 2.Irrigation requirements based on 120 acres and evapotranspiration data from the Sacromento area. <br /> 3.Evaporation rates based on monthly pan evaporation from Stockton,Ca. <br /> 4.Seepage estimates based on post construction engineering permeabilities. <br /> 5.Rainfall based on adjusted data from Stockton,Ca. <br /> 6. North lake stays at constant elevation. <br /> 7.Western portion of South lake stays at a minimum elevation of 10 feet. <br />