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961079 04/24/2018 08.32 AM <br /> Page 17 of 18 <br /> Table 1 <br /> South Fortv Recreation,LLC <br /> South Forty Ponds Augmentation Plan <br /> Case No.17CW3021 <br /> Calculation of Net Evaporative Depletions <br /> Month Water Surface Area SEO Monthly Gross Preci itation Net Eva oration Net Evaporative <br /> Total Area RWSA Distribution% Era ration m Avera e(m) Effective(in) (in) (ft) Depletions ac-ft <br /> 1 2 3 4 5 6 7a 7b 8 <br /> January 22.6 72 3.0% 1.38 038 0.27 1.11 0.09 0.65 <br /> February 22.6 72 3.5% 1.61 052 0.36 1.25 0.10 0.72 <br /> March 22.6 72 5.5% 2.53 085 060 1.94 0.16 1 15 <br /> April 22.6 72 9.0% 4.14 144 1.01 3.13 0.26 1.87 <br /> May 226 7.2 12.0% 552 1.62 1 13 439 0.37 266 <br /> June 22.6 7.2 14.5% 6.67 1.12 078 5.89 0.49 3 53 <br /> July 22.6 72 15 0% 690 1 83 1 28 5.62 0.47 3 38 <br /> August 22.6 7.2 13.5% 6.21 1.88 1.32 4.89 0.41 2.95 <br /> September 226 72 10 0% 4.60 1 03 072 3.88 0.32 230 <br /> October 22.6 7.2 7.0% 3.22 0.80 0.56 266 0.22 1.58 <br /> November 226 7.2 4.0% 184 0.59 041 143 0.12 086 <br /> December 22.6 7.2 3.0% 1.38 0.49 1 0.34 1 1.04 0.09 O.GS <br /> Total - - 100.0% 46.00 12.55 8.79 37.22 3.10 22.32 <br /> Notes: <br /> [I] Total maximum water surface area as surveyed by Valco,hrc.in 2014 <br /> [2] RWSA=Replacement Water Surface Area Equal to the total water surface area minus the Prc-1981 water surface area Pre-1981 water <br /> surface area equals 15 4 acres <br /> [3] Monthly distribution of annual evaporation for sites below 6,500 ft mean sea level, based on guidance from the SEO for <br /> sand and gravel substitute water supplies plans authorized pursuant to C.R.S. 37-90-137(l 1). <br /> [4] Average annual gross evaporation estimated from NOAA Technical Report NWS 33 for Canon City.Colorado. <br /> [5] Average monthly precipitation from the NOAA Canon City-climate station(ID•US000051294). <br /> [6] Effective precipitation equal to the average precipitation multplied by 0.7. <br /> [7a],[7b] Average net evaporation equal to monthly gross evaporation(col(4))minus effective precipitation(col(5b)). <br /> [8] Net evaporative depletions equal to RWSA(col(2))multiplied by the net monthly evaporation(col(7b)). <br /> BBA <br /> i .. flfll!!/' HHI!(•/f!1' rl• !I<"J III• IN< 9M,21 1' 1354R1 PM <br />