Detailed Weather Data for Project: NEWT

Date Time TAIR WSPD RELH SRAD 03Dec2017 8 a.m. 47.16 0.90 92.35 0.00 03Dec2017 9 a.m. 50.31 0.40 91.93 32.60 03Dec2017 10 a.m. 56.73 1.10 82.53 168.30 03Dec2017 11 a.m. 62.96 4.70 71.18 206.50 03Dec2017 12 p.m. 63.59 6.40 69.12 182.20 03Dec2017 1 p.m. 65.62 5.50 66.02 155.00 03Dec2017 2 p.m. 69.42 5.60 60.39 307.40 03Dec2017 3 p.m. 72.39 5.90 56.76 365.60 03Dec2017 4 p.m. 70.54 8.40 60.87 75.10 03Dec2017 5 p.m. 68.58 6.10 65.78 27.90 03Dec2017 6 p.m. 68.14 6.70 67.25 0.00 03Dec2017 7 p.m. 64.22 13.40 38.43 0.00 03Dec2017 8 p.m. 66.60 9.70 64.92 0.00 03Dec2017 9 p.m. 65.98 8.20 64.56 0.00 03Dec2017 10 p.m. 65.55 7.70 65.24 0.00 03Dec2017 11 p.m. 65.17 7.90 65.96 0.00 04Dec2017 12 a.m. 64.31 9.70 67.55 0.00 04Dec2017 1 a.m. 63.46 7.80 69.29 0.00 04Dec2017 2 a.m. 62.71 6.20 71.05 0.00 04Dec2017 3 a.m. 62.01 10.00 71.90 0.00 04Dec2017 4 a.m. 61.68 7.50 75.68 0.00 04Dec2017 5 a.m. 62.96 7.40 79.29 0.00 04Dec2017 6 a.m. 62.46 6.70 87.04 0.00 04Dec2017 7 a.m. 62.08 7.60 91.38 0.00 Accuml. Values 1524.63 161.50 1696.47 1520.60 Num. Valid Values 24 24 24 24 Avg. Values 63.53 6.73 70.69 63.36 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 17.51 259.85 70.69 130.74 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.2931 definition: xcompl = 1 - (RELH_avg/100) TdC = 12.2098 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 = 0.6568 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.3432 definition: del_lambda2 = 1 - del_lambda1 Qn = 0.5161 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 = 5.7954 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 5.5084 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.088 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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