Detailed Weather Data for Project: TORO

Date Time TAIR WSPD RELH SRAD 03Mar2018 8 a.m. 40.62 6.40 74.89 97.10 03Mar2018 9 a.m. 45.18 8.50 67.05 300.10 03Mar2018 10 a.m. 51.03 10.30 57.31 469.70 03Mar2018 11 a.m. 56.10 10.70 50.60 599.60 03Mar2018 12 p.m. 60.55 11.30 45.41 682.40 03Mar2018 1 p.m. 63.59 12.10 42.97 703.50 03Mar2018 2 p.m. 65.39 12.10 41.57 666.90 03Mar2018 3 p.m. 66.31 10.70 40.95 565.90 03Mar2018 4 p.m. 67.15 12.20 41.30 416.50 03Mar2018 5 p.m. 66.60 12.30 41.94 240.10 03Mar2018 6 p.m. 64.83 11.70 44.27 66.70 03Mar2018 7 p.m. 55.94 10.30 67.25 0.00 03Mar2018 8 p.m. 60.33 8.50 50.93 0.00 03Mar2018 9 p.m. 57.74 7.30 56.08 0.00 03Mar2018 10 p.m. 55.62 6.30 59.97 0.00 03Mar2018 11 p.m. 54.34 6.90 61.05 0.00 04Mar2018 12 a.m. 52.65 7.10 62.83 0.00 04Mar2018 1 a.m. 52.11 7.10 59.64 0.00 04Mar2018 2 a.m. 49.68 4.30 62.28 0.00 04Mar2018 3 a.m. 48.18 4.90 63.99 0.00 04Mar2018 4 a.m. 47.88 6.90 62.28 0.00 04Mar2018 5 a.m. 46.89 6.30 64.35 0.00 04Mar2018 6 a.m. 45.75 5.80 67.45 0.00 04Mar2018 7 a.m. 46.26 5.60 67.98 0.00 Accuml. Values 1320.69 205.60 1354.34 4808.50 Num. Valid Values 24 24 24 24 Avg. Values 55.03 8.57 56.43 200.35 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 12.79 330.81 56.43 413.43 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.4357 definition: xcompl = 1 - (RELH_avg/100) TdC = 4.3826 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 = 0.5948 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4052 definition: del_lambda2 = 1 - del_lambda1 Qn = 3.8973 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 = 6.4299 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 7.0940 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.204 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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