Detailed Weather Data for Project: TORO

Date Time TAIR WSPD RELH SRAD 05Nov2017 8 a.m. 51.28 1.90 100.21 14.80 05Nov2017 9 a.m. 51.31 3.60 100.21 32.40 05Nov2017 10 a.m. 50.70 4.70 100.21 55.80 05Nov2017 11 a.m. 50.59 5.70 99.43 96.30 05Nov2017 12 p.m. 52.03 6.00 89.53 85.80 05Nov2017 1 p.m. 52.11 5.30 84.64 78.80 05Nov2017 2 p.m. 51.40 5.70 82.15 73.70 05Nov2017 3 p.m. 52.77 4.70 74.42 120.60 05Nov2017 4 p.m. 53.87 4.60 68.47 86.20 05Nov2017 5 p.m. 53.40 3.70 67.93 22.60 05Nov2017 6 p.m. 51.62 2.50 70.52 0.00 05Nov2017 7 p.m. 42.58 3.20 77.31 0.00 05Nov2017 8 p.m. 47.21 4.70 76.25 0.00 05Nov2017 9 p.m. 45.57 3.90 80.09 0.00 05Nov2017 10 p.m. 43.92 3.00 84.12 0.00 05Nov2017 11 p.m. 42.80 2.80 85.90 0.00 06Nov2017 12 a.m. 41.72 3.00 86.12 0.00 06Nov2017 1 a.m. 41.47 2.50 85.22 0.00 06Nov2017 2 a.m. 41.13 1.60 85.78 0.00 06Nov2017 3 a.m. 40.01 2.30 87.70 0.00 06Nov2017 4 a.m. 38.52 3.30 89.56 0.00 06Nov2017 5 a.m. 37.63 3.50 88.75 0.00 06Nov2017 6 a.m. 36.79 3.90 86.23 0.00 06Nov2017 7 a.m. 36.61 4.60 82.99 0.00 Accuml. Values 1107.05 90.70 2033.74 667.00 Num. Valid Values 24 24 24 24 Avg. Values 46.13 3.78 84.74 27.79 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 7.85 145.94 84.74 57.35 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.1526 definition: xcompl = 1 - (RELH_avg/100) TdC = 5.4321 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 = 0.5236 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4764 definition: del_lambda2 = 1 - del_lambda1 Qn = -0.4674 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 = 1.6306 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 1.2966 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.015 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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