Detailed Weather Data for Project: CANT

Date Time TAIR WSPD RELH SRAD 04Nov2017 8 a.m. 44.13 2.10 100.25 0.00 04Nov2017 9 a.m. 44.20 1.00 100.25 11.80 04Nov2017 10 a.m. 44.91 1.30 100.25 111.70 04Nov2017 11 a.m. 47.89 0.40 100.25 193.50 04Nov2017 12 p.m. 50.92 0.80 100.25 403.90 04Nov2017 1 p.m. 53.92 0.60 100.25 443.00 04Nov2017 2 p.m. 59.68 1.90 93.56 546.90 04Nov2017 3 p.m. 68.31 0.90 59.47 506.40 04Nov2017 4 p.m. 67.98 2.90 58.86 340.90 04Nov2017 5 p.m. 66.25 3.80 62.71 212.00 04Nov2017 6 p.m. 65.44 3.40 64.98 108.10 04Nov2017 7 p.m. 63.14 2.30 70.72 7.40 04Nov2017 8 p.m. 50.50 2.80 78.71 0.00 04Nov2017 9 p.m. 56.70 1.40 86.45 0.00 04Nov2017 10 p.m. 57.49 2.90 87.24 0.00 04Nov2017 11 p.m. 57.47 3.20 88.76 0.00 05Nov2017 12 a.m. 61.18 2.50 64.30 0.00 05Nov2017 1 a.m. 65.62 3.40 44.40 0.00 05Nov2017 2 a.m. 62.82 3.70 50.57 0.00 05Nov2017 3 a.m. 67.68 4.80 37.81 0.00 05Nov2017 4 a.m. 65.28 3.30 40.52 0.00 05Nov2017 5 a.m. 64.83 3.50 40.50 0.00 05Nov2017 6 a.m. 62.92 2.70 44.23 0.00 05Nov2017 7 a.m. 61.21 1.50 49.15 0.00 Accuml. Values 1410.49 57.10 1724.44 2885.60 Num. Valid Values 24 24 24 24 Avg. Values 58.77 2.38 71.85 120.23 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 14.87 91.87 71.85 248.10 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.2815 definition: xcompl = 1 - (RELH_avg/100) TdC = 9.9058 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 = 0.6229 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.3771 definition: del_lambda2 = 1 - del_lambda1 Qn = 1.8707 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 = 4.7123 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 2.6856 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.086 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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