Detailed Weather Data for Project: TORO

Date Time TAIR WSPD RELH SRAD 30Dec2017 8 a.m. 14.20 5.70 72.21 0.00 30Dec2017 9 a.m. 13.30 6.40 72.21 39.00 30Dec2017 10 a.m. 14.20 5.40 69.60 138.10 30Dec2017 11 a.m. 16.79 4.90 59.81 361.50 30Dec2017 12 p.m. 19.90 4.90 52.07 523.30 30Dec2017 1 p.m. 21.51 3.90 48.30 509.50 30Dec2017 2 p.m. 22.30 3.50 45.50 393.00 30Dec2017 3 p.m. 23.25 3.80 43.11 358.40 30Dec2017 4 p.m. 21.97 4.10 43.56 177.40 30Dec2017 5 p.m. 19.80 4.70 45.89 38.90 30Dec2017 6 p.m. 17.46 3.60 49.05 0.00 30Dec2017 7 p.m. 10.65 3.10 54.13 0.00 30Dec2017 8 p.m. 14.13 4.70 55.74 0.00 30Dec2017 9 p.m. 12.78 3.80 56.99 0.00 30Dec2017 10 p.m. 11.71 4.20 60.97 0.00 30Dec2017 11 p.m. 11.68 3.70 61.41 0.00 31Dec2017 12 a.m. 12.13 5.40 59.16 0.00 31Dec2017 1 a.m. 12.45 5.50 57.23 0.00 31Dec2017 2 a.m. 12.29 5.30 61.47 0.00 31Dec2017 3 a.m. 11.61 4.90 61.83 0.00 31Dec2017 4 a.m. 10.94 4.60 62.49 0.00 31Dec2017 5 a.m. 10.54 4.30 63.70 0.00 31Dec2017 6 a.m. 9.97 5.40 63.50 0.00 31Dec2017 7 a.m. 9.00 5.70 65.73 0.00 Accuml. Values 354.54 111.50 1385.66 2539.10 Num. Valid Values 24 24 24 24 Avg. Values 14.77 4.65 57.74 105.80 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values -9.57 179.40 57.74 218.31 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.4226 definition: xcompl = 1 - (RELH_avg/100) TdC = -16.3465 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 = 0.2627 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.7373 definition: del_lambda2 = 1 - del_lambda1 Qn = 0.7536 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 = 1.2619 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 1.1539 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.041 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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