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G <br />7'a bl e 2 <br />Pelino Excavation <br />Jesse Lee Pit M84 -043 <br />Substitute Water Supply Plan - Evaporative Losses <br />ow <br />(2) <br />(3) <br />(4) <br />Prepared By: <br />Date: <br />(5) <br />Scott Pelino <br />October 30, 2014 <br />(6) <br />Month <br />Percent of <br />Annual <br />Evaporation <br />Gross Lake <br />Evaporation <br />(ft) <br />Preciptation <br />(in) <br />Effective <br />Preciptation <br />(ft) <br />Net Lake <br />Evaporation <br />(acre- ft/acre) <br />Total Lake <br />Evaporation <br />(ac -ft) <br />Apr <br />9.0% <br />0.29 <br />0.93 <br />0.05 <br />0.24 <br />0.10 <br />May <br />12.5% <br />0.41 <br />1.07 <br />0.06 <br />0.34 <br />0.14 <br />June <br />15.5% <br />0.50 <br />0.73 <br />0.04 <br />0.46 <br />0.18 <br />July <br />16.0% <br />0.52 <br />1.54 <br />0.09 <br />0.43 <br />0.17 <br />Aug <br />13.0% <br />0.42 <br />1.89 <br />0.11 <br />0.31 <br />0.13 <br />Sept <br />11.0% <br />0.36 <br />0.95 <br />0.06 <br />0.30 <br />0.12 <br />Oct <br />7.5% <br />0.24 <br />0.84 <br />0.05 <br />0.19 <br />0.08 <br />Nov <br />4.0% <br />0.13 <br />0.53 <br />0.03 <br />0.10 <br />0.04 <br />Dec <br />1.5% <br />0.05 <br />0.39 <br />0.02 <br />0.03 <br />0.01 <br />Jan <br />1.0% <br />0.03 <br />0.35 <br />0.02 <br />0.01 <br />0.00 <br />Feb <br />3.0% <br />0.10 <br />0.42 <br />0.02 <br />0.07 <br />0.03 <br />Mar <br />6.0% <br />0.20 <br />0.65 <br />0.04 <br />0.16 <br />0.06 <br />Total <br />100% <br />3.25 <br />10.28 <br />0.60 <br />2.65 <br />1.06 <br />Exposed Water Surface = 0.4 acres <br />Annual Precipitation = 10.3 inches <br />Gross Annual Evaporation = 39 inches <br />-ponds and a drainage ditch. <br />-Taken from the NOAA Buena Vista Weather Station ID 1071 <br />-Taken from NOAA Technical Report NWS 33 <br />ivuica <br />(1) Taken from State Engineer's Guidelines for Gravel Pits at elevations above 6500 feet. <br />(2) Taken from NOAA Technical Report NWS 33 Map 3 and distributed monthly according to Percent of Annual Evaporation (1). <br />(3) From the NOAA Buena Vista Weather Station ID 1071 (1948- 2006). <br />(4) Effective Precipitation equals 70% of Average Annual Precipitation, 70% * (3). <br />(5) Gross Evaporation minus Effective Precipitation converted to units of feet, (2) - (4). <br />(6) Total Evaporative Loss is the product of Net Evaporation (5) and Exposed Water Surface. <br />