Detailed Weather Data for Project: FSUP

Date Time TAIR WSPD RELH SRAD 08Nov2017 8 a.m. 30.85 5.10 59.51 4.30 08Nov2017 9 a.m. 31.57 3.50 56.30 59.10 08Nov2017 10 a.m. 32.67 3.20 53.84 137.20 08Nov2017 11 a.m. 35.28 2.70 49.41 254.70 08Nov2017 12 p.m. 39.07 2.60 40.51 406.80 08Nov2017 1 p.m. 42.66 3.00 34.09 651.30 08Nov2017 2 p.m. 45.95 2.60 28.52 657.20 08Nov2017 3 p.m. 47.84 3.40 27.16 541.10 08Nov2017 4 p.m. 48.07 2.60 26.22 133.60 08Nov2017 5 p.m. 49.60 4.80 28.85 97.80 08Nov2017 6 p.m. 47.89 5.80 33.81 10.60 08Nov2017 7 p.m. 50.25 7.80 50.59 0.00 08Nov2017 8 p.m. 41.50 2.70 54.07 0.00 08Nov2017 9 p.m. 37.11 1.90 49.17 0.00 08Nov2017 10 p.m. 34.27 1.20 55.49 0.00 08Nov2017 11 p.m. 33.08 1.20 62.42 0.00 09Nov2017 12 a.m. 30.72 1.40 68.13 0.00 09Nov2017 1 a.m. 30.42 2.90 76.52 0.00 09Nov2017 2 a.m. 29.88 2.90 79.76 0.00 09Nov2017 3 a.m. 29.93 1.70 84.21 0.00 09Nov2017 4 a.m. 29.19 1.40 85.69 0.00 09Nov2017 5 a.m. 30.04 3.10 85.17 0.00 09Nov2017 6 a.m. 29.64 2.60 89.39 0.00 09Nov2017 7 a.m. 28.56 0.80 89.56 0.00 Accuml. Values 886.04 70.90 1368.39 2953.70 Num. Valid Values 24 24 24 24 Avg. Values 36.92 2.95 57.02 123.07 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 2.73 114.08 57.02 253.96 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.4298 definition: xcompl = 1 - (RELH_avg/100) TdC = -4.9252 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 = 0.4457 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.5543 definition: del_lambda2 = 1 - del_lambda1 Qn = 1.4245 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 = 3.2134 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 2.0973 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.071 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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