Detailed Weather Data for Project: TORO

Date Time TAIR WSPD RELH SRAD 02Dec2017 8 a.m. 35.55 0.50 94.27 21.20 02Dec2017 9 a.m. 39.60 0.50 88.10 175.10 02Dec2017 10 a.m. 44.92 0.30 76.53 322.00 02Dec2017 11 a.m. 50.09 0.50 65.15 426.00 02Dec2017 12 p.m. 53.98 0.60 54.95 481.50 02Dec2017 1 p.m. 59.38 0.40 49.62 478.40 02Dec2017 2 p.m. 62.17 1.10 50.62 418.50 02Dec2017 3 p.m. 62.47 2.60 48.00 312.20 02Dec2017 4 p.m. 63.93 3.60 45.69 172.30 02Dec2017 5 p.m. 62.10 3.20 48.80 26.60 02Dec2017 6 p.m. 57.72 0.30 57.80 0.00 02Dec2017 7 p.m. 61.02 6.60 77.11 0.00 02Dec2017 8 p.m. 48.72 0.30 81.39 0.00 02Dec2017 9 p.m. 47.46 0.70 84.36 0.00 02Dec2017 10 p.m. 42.76 0.90 86.54 0.00 02Dec2017 11 p.m. 40.87 1.70 91.81 0.00 03Dec2017 12 a.m. 43.63 0.20 91.58 0.00 03Dec2017 1 a.m. 42.87 0.30 91.06 0.00 03Dec2017 2 a.m. 42.80 0.50 91.15 0.00 03Dec2017 3 a.m. 40.15 0.20 91.83 0.00 03Dec2017 4 a.m. 40.78 0.60 96.89 0.00 03Dec2017 5 a.m. 38.82 0.20 95.48 0.00 03Dec2017 6 a.m. 38.84 0.20 97.03 0.00 03Dec2017 7 a.m. 39.06 0.20 97.00 0.00 Accuml. Values 1159.70 26.20 1852.76 2833.80 Num. Valid Values 24 24 24 24 Avg. Values 48.32 1.09 77.20 118.08 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 9.07 42.16 77.20 243.65 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.2280 definition: xcompl = 1 - (RELH_avg/100) TdC = 5.3140 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 = 0.5416 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4584 definition: del_lambda2 = 1 - del_lambda1 Qn = 1.5562 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 = 2.6208 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 1.2660 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.056 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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