Detailed Weather Data for Project: TORO

Date Time TAIR WSPD RELH SRAD 04Nov2017 8 a.m. 45.61 0.20 100.12 0.00 04Nov2017 9 a.m. 46.18 0.30 100.21 3.70 04Nov2017 10 a.m. 47.30 0.30 100.20 33.10 04Nov2017 11 a.m. 48.16 1.50 98.21 43.20 04Nov2017 12 p.m. 49.24 0.30 94.47 67.10 04Nov2017 1 p.m. 50.07 0.40 92.15 84.10 04Nov2017 2 p.m. 51.04 0.00 90.08 102.60 04Nov2017 3 p.m. 52.47 0.10 86.62 160.60 04Nov2017 4 p.m. 53.83 0.10 82.85 159.20 04Nov2017 5 p.m. 53.89 1.40 83.08 51.40 04Nov2017 6 p.m. 54.01 2.90 83.12 15.20 04Nov2017 7 p.m. 53.96 2.00 84.27 0.00 04Nov2017 8 p.m. 49.51 4.00 73.18 0.00 04Nov2017 9 p.m. 50.32 0.10 93.27 0.00 04Nov2017 10 p.m. 47.26 1.30 98.35 0.00 04Nov2017 11 p.m. 45.88 2.20 99.98 0.00 05Nov2017 12 a.m. 46.94 0.20 100.21 0.00 05Nov2017 1 a.m. 46.98 0.10 100.21 0.00 05Nov2017 2 a.m. 46.51 0.20 100.21 0.00 05Nov2017 3 a.m. 47.23 0.00 100.21 0.00 05Nov2017 4 a.m. 47.52 0.80 100.21 0.00 05Nov2017 5 a.m. 48.99 1.40 100.21 0.00 05Nov2017 6 a.m. 49.84 1.20 100.21 0.00 05Nov2017 7 a.m. 50.90 0.90 100.21 0.00 Accuml. Values 1183.66 21.90 2261.84 720.20 Num. Valid Values 24 22 24 24 Avg. Values 49.32 1.00 94.24 30.01 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 9.62 38.44 94.24 61.92 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.0576 definition: xcompl = 1 - (RELH_avg/100) TdC = 8.7177 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 = 0.5497 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4503 definition: del_lambda2 = 1 - del_lambda1 Qn = -0.4036 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 = 0.7090 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 0.3927 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.000 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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