Detailed Weather Data for Project: TORO

Date Time TAIR WSPD RELH SRAD 04Mar2018 8 a.m. 49.57 6.60 61.88 10.70 04Mar2018 9 a.m. 52.45 8.00 56.25 50.80 04Mar2018 10 a.m. 54.86 8.90 52.71 109.40 04Mar2018 11 a.m. 58.17 10.20 50.64 223.80 04Mar2018 12 p.m. 61.43 11.80 50.14 517.20 04Mar2018 1 p.m. 62.98 12.30 50.03 497.70 04Mar2018 2 p.m. 62.67 13.20 49.93 336.10 04Mar2018 3 p.m. 61.11 12.60 50.60 298.80 04Mar2018 4 p.m. 59.94 12.80 53.59 165.70 04Mar2018 5 p.m. 58.19 13.00 59.87 66.50 04Mar2018 6 p.m. 56.68 12.80 65.52 4.10 04Mar2018 7 p.m. 52.14 5.60 18.37 0.10 04Mar2018 8 p.m. 55.09 10.00 68.32 0.00 04Mar2018 9 p.m. 54.99 9.50 73.70 0.00 04Mar2018 10 p.m. 54.73 10.50 78.10 0.00 04Mar2018 11 p.m. 53.82 10.50 83.89 0.00 05Mar2018 12 a.m. 52.38 8.60 97.11 0.00 05Mar2018 1 a.m. 52.83 10.40 97.55 0.00 05Mar2018 2 a.m. 53.08 8.50 92.55 0.00 05Mar2018 3 a.m. 53.60 7.90 87.53 0.00 05Mar2018 4 a.m. 54.10 7.70 86.60 0.00 05Mar2018 5 a.m. 54.70 6.80 86.75 0.00 05Mar2018 6 a.m. 54.32 6.40 89.25 0.00 05Mar2018 7 a.m. 49.73 9.00 80.31 0.00 Accuml. Values 1333.54 233.60 1641.19 2280.90 Num. Valid Values 24 24 24 24 Avg. Values 55.56 9.73 68.38 95.04 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 13.09 375.86 68.38 196.11 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.3162 definition: xcompl = 1 - (RELH_avg/100) TdC = 7.4689 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 = 0.5989 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4011 definition: del_lambda2 = 1 - del_lambda1 Qn = 1.1588 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 = 4.7247 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 5.9215 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.121 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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