Detailed Weather Data for Project: FSUP

Date Time TAIR WSPD RELH SRAD 07Nov2017 8 a.m. 31.37 2.70 66.73 14.60 07Nov2017 9 a.m. 33.98 2.70 61.83 65.70 07Nov2017 10 a.m. 37.38 3.60 55.58 286.20 07Nov2017 11 a.m. 40.06 3.90 50.63 389.10 07Nov2017 12 p.m. 43.11 5.00 42.85 606.10 07Nov2017 1 p.m. 43.95 5.40 38.77 577.90 07Nov2017 2 p.m. 43.03 4.80 40.02 367.10 07Nov2017 3 p.m. 41.65 4.90 41.00 224.50 07Nov2017 4 p.m. 41.09 4.30 41.32 149.30 07Nov2017 5 p.m. 40.32 4.10 42.07 60.40 07Nov2017 6 p.m. 38.88 3.30 44.65 1.20 07Nov2017 7 p.m. 44.02 1.50 41.66 0.00 07Nov2017 8 p.m. 36.37 1.90 49.13 0.00 07Nov2017 9 p.m. 35.13 2.30 51.38 0.00 07Nov2017 10 p.m. 34.54 1.60 52.67 0.00 07Nov2017 11 p.m. 34.32 3.20 53.69 0.00 08Nov2017 12 a.m. 34.84 2.30 53.48 0.00 08Nov2017 1 a.m. 34.61 4.00 54.01 0.00 08Nov2017 2 a.m. 34.11 3.60 55.18 0.00 08Nov2017 3 a.m. 33.57 4.10 56.22 0.00 08Nov2017 4 a.m. 32.95 5.20 57.07 0.00 08Nov2017 5 a.m. 32.68 4.10 57.35 0.00 08Nov2017 6 a.m. 32.14 5.50 58.32 0.00 08Nov2017 7 a.m. 31.12 4.40 60.23 0.00 Accuml. Values 885.23 88.40 1225.84 2742.10 Num. Valid Values 24 24 24 24 Avg. Values 36.88 3.68 51.08 114.25 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 2.71 142.24 51.08 235.77 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.4892 definition: xcompl = 1 - (RELH_avg/100) TdC = -6.4284 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 = 0.4454 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.5546 definition: del_lambda2 = 1 - del_lambda1 Qn = 1.2321 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 = 3.6657 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 2.6111 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.079 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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