Detailed Weather Data for Project: FSUP

Date Time TAIR WSPD RELH SRAD 03Mar2018 8 a.m. 47.59 10.10 85.72 53.10 03Mar2018 9 a.m. 49.35 11.50 81.29 271.90 03Mar2018 10 a.m. 53.64 15.00 68.82 498.10 03Mar2018 11 a.m. 58.59 20.80 57.52 686.30 03Mar2018 12 p.m. 61.38 17.60 53.59 818.70 03Mar2018 1 p.m. 63.21 14.30 51.39 875.70 03Mar2018 2 p.m. 65.44 17.20 49.20 860.10 03Mar2018 3 p.m. 66.24 18.40 49.60 762.50 03Mar2018 4 p.m. 66.96 18.00 49.19 600.50 03Mar2018 5 p.m. 67.46 20.70 49.17 397.60 03Mar2018 6 p.m. 67.08 21.50 50.59 175.50 03Mar2018 7 p.m. 63.18 16.90 81.18 10.30 03Mar2018 8 p.m. 62.33 18.60 56.83 0.00 03Mar2018 9 p.m. 60.37 19.30 59.14 0.00 03Mar2018 10 p.m. 59.11 19.60 63.57 0.00 03Mar2018 11 p.m. 57.92 19.30 72.80 0.00 04Mar2018 12 a.m. 57.00 19.30 76.93 0.00 04Mar2018 1 a.m. 55.96 17.90 83.06 0.00 04Mar2018 2 a.m. 55.47 17.90 88.94 0.00 04Mar2018 3 a.m. 55.72 19.10 91.99 0.00 04Mar2018 4 a.m. 55.90 19.90 92.16 0.00 04Mar2018 5 a.m. 55.20 17.80 94.33 0.00 04Mar2018 6 a.m. 54.57 17.70 98.10 0.00 04Mar2018 7 a.m. 53.58 16.40 99.37 0.00 Accuml. Values 1413.25 424.80 1704.48 6010.30 Num. Valid Values 24 24 24 24 Avg. Values 58.89 17.70 71.02 250.43 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 14.94 683.50 71.02 516.77 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.2898 definition: xcompl = 1 - (RELH_avg/100) TdC = 9.7962 definition: TdC = TAIR_avg - ((14.55 + (0.114*TAIR_avg))*xcompl +pow((2.5 + 0.007*TAIR_avg)*xcompl, 3) + (15.9 +0.117*TAIR_avg)*pow(xcompl, 14)) del_lambda1 = 0.6237 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.3763 definition: del_lambda2 = 1 - del_lambda1 Qn = 5.5346 definition: Qn = 0.00714*SRAD_avg + 0.00000526*SRAD_avg*pow(TAIR_avg+17.8, 1.87) +0.00000394*pow(SRAD_avg, 2) - 0.00000000239*pow(SRAD_avg, 2)*pow(TAIR_avg-7.2, 2) - 1.02 es_ea = 4.8714 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 9.6770 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.279 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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