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Month <br />Percent of <br />Annual <br />Evaporation <br />(A) <br />Gross Monthly <br />Evaporation <br />[in] <br />(B) <br />Monthly <br />Precip <br />[in] <br />(C) <br />Monthly <br />CU Credit <br />[in] <br />(D) <br />Monthly <br />Avg Temp <br />[ °F] <br />(E) <br />Net <br />Evap <br />[in] <br />(F) <br />Evap <br />CU <br />[ac -ft] <br />(G) <br />November <br />4.0% <br />1.80 <br />0.78 <br />0.55 <br />37.5 <br />1.25 <br />3.56 <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 />3.74 <br />March <br />5.5% <br />2.48 <br />1.07 <br />0.75 <br />41.1 <br />1.73 <br />4.90 <br />April <br />9.0% <br />4.05 <br />1.79 <br />1.25 <br />49.4 <br />2.80 <br />7.95 <br />May <br />12.0% <br />5.40 <br />2.45 <br />1.72 <br />58.6 <br />3.69 <br />10.47 <br />June <br />14.5% <br />6.53 <br />1.90 <br />1.33 <br />68.1 <br />5.20 <br />14.76 <br />July <br />15.0% <br />6.75 <br />1.48 <br />1.04 <br />73.8 <br />5.71 <br />16.24 <br />August <br />13.5% <br />6.08 <br />1.15 <br />0.81 <br />71.7 <br />5.27 <br />14.98 <br />September <br />10.0% <br />4.50 <br />1.11 <br />0.78 <br />63.0 <br />3.72 <br />10.58 <br />October <br />7.0% <br />3.15 <br />1.03 <br />0.72 <br />50.9 <br />2.43 <br />6.90 <br />Total <br />100% <br />45.00 <br />14.02 <br />9.81 <br />- <br />33.11 <br />94.08 <br />Table No. 1 <br />Star Ready Mix <br />Feit Pit (M- 1977 -522) <br />Evaporative Consumptive Use (aka Evap CU) <br />From Pond Surface <br />Gross Annual Evaporation = <br />Historical Consumptive Use Credit = <br />Freezing Point of Water = <br />WY 2013 Gross Exposed Water Surface = <br />Pre -1981 Exposed Water Surface = <br />WY 2013 Net Exposed Water Surface = <br />45 <br />70% <br />32 <br />40.2 <br />6.1 <br />34.1 <br />inches per NOAA Technical Report NWS 33 <br />of monthly precipitation <br />°F <br />Applegate <br />Group, �n.. <br />acres within permit area <br />acres within permit area <br />acres within permit area <br />Date Revised: 9/18/2012 <br />AG Job #: 04 -157 <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 = (Exposed Water Surface Requiring Augmentation) * (E) /12 <br />N: \04157 Feit Pit SSP \Disciplines (Technical) \Water Rights \2013 SWSP Renewal \Feit Pit 2013 SWSP.xlsx <br />