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Table No. 1 <br />Bucklen Equipment Company, Inc. <br />Bucklen Pit (M- 1982 -131) <br />Evaporative Consumptive Use (aka Evap CU) <br />From Pond Surface <br />Applegate <br />Group, ine. <br />Date Revised: 9/23/2013 <br />AG Job #: 08 -127 <br />Month <br />Percent of <br />Annual <br />Evaporation <br />Gross Monthly <br />Evaporation <br />[in] <br />Monthly <br />Precip <br />[in] <br />Monthly <br />CU_ Credit <br />[in] <br />Monthly ,' <br />Avg Temp;. <br />( "F] <br />-_ 'Net ° <br />=Evdp X',X:.r <br />)' <br />r`'; `;Evap <br />°." `- <br />CU& <br />[ac -ft] <br />November <br />4.0% <br />1.80 <br />0.78 <br />0.55 <br />37.5 <br />1.25 <br />1.31 <br />December <br />3.0% <br />1.35 <br />0.41 <br />0.29 <br />29.4 <br />ICE <br />0.00 <br />January <br />3.0% <br />1.35 <br />0.48 <br />0.34 <br />28.6 <br />ICE <br />0.00 <br />February <br />3.5% <br />1.58 <br />0.37 <br />0.26 <br />33.5 <br />1.32 <br />1.38 <br />March <br />5.5% <br />2.48 <br />1.07 <br />0.75 <br />41.1 <br />1.73 <br />1.80 <br />April <br />9.0% <br />4.05 <br />1.79 <br />1.25 <br />49.4 <br />2.80 <br />2.92 <br />May <br />12.0% <br />5.40 <br />2.45 <br />1.72 <br />58.6 <br />3.69 <br />3.85 <br />June <br />14.5% <br />6.53 <br />1.90 <br />1.33 <br />68,1 <br />5.20 <br />5.43 <br />July <br />15.0% <br />6.75 <br />1.48 <br />1.04 <br />73.8 <br />5.71 <br />5.97 <br />August <br />13.5% <br />6.08 <br />1.15 <br />0.81 <br />71.7 <br />5.27 <br />5.51 <br />September <br />10.0% <br />4.50 <br />1.11 <br />0.78 <br />63.0 <br />3.72 <br />3.89 <br />October <br />7.0% <br />3.15 <br />1.03 <br />0.72 <br />50.9 <br />2.43 <br />2.54 <br />Total <br />100% <br />45.00 <br />14.02 <br />9.81 <br />- <br />33.11 <br />34.60 <br />Gross Annual Evaporation = 45 inches per NOAA Technical Report NWS 33 <br />Historical Consumptive Use Credit = 70% of monthly precipitation <br />Freezing Point of Water = 32 °F <br />WY 2012 Gross Exposed Water Surface = 17.81 acres within permit area <br />Pre -1981 Area = 5.27 acres within permit area <br />WY 2013 Net Exposed Area = 12.54 acres within permit area (gross area minus pre -1981 area) <br />Notes: <br />(A) Taken from General Guidelines for Substitute Water Supply Plans for Sand and Gravel Pits Submitted to the State Engineer for <br />elevations below 6500 ft MSL <br />(B) Gross monthly evaporation = (Gross Annual Evaporation)' (A) <br />(C) Monthly precipitation from GREELEY UNC, COLORADO (053553) weather station. Period of record is 1967 to 2005 <br />(D) Monthly consumptive use credit = (Historical Consumptive Use Credit)' (C) <br />(E) Monthly average temperature from GREELEY UNC, COLORADO (053553) weather station. Period of record is 1967 to 2005 <br />(F) Net evaporation = (B) - (D) if the monthly average temperature is greater than freezing. Otherwise, the pond is assumed to be frozen <br />(G) Evap CU = (Net Exposed Area)' (E) /12 <br />N: \08127 Bucklen Pit Augmentation \Disciplines (Technical) \Water Rights \SWSP \WY 2014 \Bucklen Pit 2014.xlsx <br />