Detailed Weather Data for Project: TORO

Date Time TAIR WSPD RELH SRAD 06Nov2017 8 a.m. 36.64 5.10 78.88 3.40 06Nov2017 9 a.m. 36.99 4.50 76.55 32.30 06Nov2017 10 a.m. 37.63 3.60 76.45 55.80 06Nov2017 11 a.m. 38.80 4.50 76.19 80.90 06Nov2017 12 p.m. 39.99 4.20 74.67 114.80 06Nov2017 1 p.m. 41.23 4.20 71.60 110.20 06Nov2017 2 p.m. 42.17 3.30 71.07 98.40 06Nov2017 3 p.m. 43.02 3.10 72.72 72.50 06Nov2017 4 p.m. 43.11 3.90 74.57 34.50 06Nov2017 5 p.m. 43.23 4.30 73.53 2.30 06Nov2017 6 p.m. 42.75 3.60 76.50 0.00 06Nov2017 7 p.m. 43.66 3.80 63.46 0.00 06Nov2017 8 p.m. 41.92 3.60 84.04 0.00 06Nov2017 9 p.m. 41.54 2.60 89.63 0.00 06Nov2017 10 p.m. 40.89 2.90 92.37 0.00 06Nov2017 11 p.m. 40.37 3.10 94.19 0.00 07Nov2017 12 a.m. 40.28 2.80 96.92 0.00 07Nov2017 1 a.m. 40.28 2.70 98.47 0.00 07Nov2017 2 a.m. 40.15 3.50 99.57 0.00 07Nov2017 3 a.m. 40.57 2.30 97.43 0.00 07Nov2017 4 a.m. 41.11 3.10 95.49 0.00 07Nov2017 5 a.m. 41.09 4.40 94.97 0.00 07Nov2017 6 a.m. 40.84 4.20 96.00 0.00 07Nov2017 7 a.m. 40.69 4.70 88.12 0.00 Accuml. Values 978.96 88.00 2013.39 605.10 Num. Valid Values 24 24 24 24 Avg. Values 40.79 3.67 83.89 25.21 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 4.88 141.59 83.89 52.03 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.1611 definition: xcompl = 1 - (RELH_avg/100) TdC = 2.3818 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 = 0.4788 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.5212 definition: del_lambda2 = 1 - del_lambda1 Qn = -0.5441 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 = 1.4048 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 1.1202 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.013 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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