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Table No. 1 <br />Alpine Aggregates, Inc. <br />Steamboat Sand & Gravel Pit SWSP <br />Evaporative Losses <br />1"; Applegate <br />Group, Inc. <br />11/26/14 <br />Job No. 11 -101 <br />Month <br />`Percent of <br />.: _> <br />Annual <br />Evaporation <br />to <br />Gross Fond <br />: - -; . <br />Evaporation <br />(fit) <br />B <br />Precipitation <br />h� <br />O <br />C <br />Effective <br />.. <br />Precipitation <br />(ft) <br />D.E <br />Net, Pond <br />Evaporation .- <br />(ft) <br />To1al'Pond <br />s u.,. <br />Evaporation <br />(ac =ft) <br />F <br />Jan <br />1.0% <br />0.03 <br />2.64 <br />0.15 <br />0.00 <br />0.00 <br />Feb <br />3.0% <br />0.09 <br />2.11 <br />0.12 <br />0.00 <br />0.00 <br />Mar <br />6.0% <br />0.19 <br />1.97 <br />0.11 <br />0.07 <br />0.07 <br />Apr <br />9.0% <br />0.28 <br />2.31 <br />0.13 <br />0.14 <br />0.14 <br />May <br />12.5% <br />0.39 <br />2.07 <br />0.12 <br />0.26 <br />0.26 <br />Jun <br />15.5% <br />0.48 <br />1.55 <br />0.09 <br />0.39 <br />0.39 <br />Jul <br />16.0% <br />0.49 <br />1.50 <br />0.09 <br />0.41 <br />0.41 <br />Aug <br />13.0% <br />0.40 <br />1.61 <br />0.09 <br />0.31 <br />0.31 <br />Sep <br />11.0% <br />0.34 <br />1.82 <br />0.11 <br />0.23 <br />0.23 <br />Oct <br />7.5% <br />0.23 <br />1.77 <br />0.10 <br />0.13 <br />0.13 <br />Nov <br />4.0% <br />0.12 <br />2.18 <br />0.13 <br />0.00 <br />0.00 <br />Dec <br />1.5% <br />0.05 <br />2.50 <br />0.15 <br />0.00 <br />0.00 <br />'Total ` <br />X100% " <br />3:08 ' <br />=24:04 <br />1:94 <br />Total Exposed Water Surface = 1.0 acres <br />Annual Precipitation = 24.04 in /yr <br />Gross Annual Evaporation = 37 in /yr <br />LEGEND: <br />(A) Percent of annual evaporation from SEO guidelines for elevations > 6,500 feet <br />(B) Gross pond evaporation, (B) = (A) * [gross annual evaporation /12] - Taken from NOAA Technical Report NWS 33 <br />(C) Precipitation data from NOAA Weather Station in Steamboat Springs (1950 - 2005 average) <br />(D) Effective precipitation, (D) = [(C) /12] * 70% <br />(E) Net lake evaporation if greater than zero, (E) = (B) - (D) <br />(F) Total lake evaporation, (F) = (E) * exposed surface area <br />