Detailed Weather Data for Project: NEWT

Date Time TAIR WSPD RELH SRAD 07Nov2017 8 a.m. 43.92 7.60 92.41 2.40 07Nov2017 9 a.m. 44.76 7.80 89.77 38.20 07Nov2017 10 a.m. 45.23 8.40 88.52 75.80 07Nov2017 11 a.m. 45.43 8.50 89.09 71.10 07Nov2017 12 p.m. 45.21 8.60 90.82 53.30 07Nov2017 1 p.m. 44.80 8.60 93.30 70.40 07Nov2017 2 p.m. 44.44 9.00 95.00 62.00 07Nov2017 3 p.m. 44.44 8.70 92.79 34.20 07Nov2017 4 p.m. 44.87 8.30 90.48 15.40 07Nov2017 5 p.m. 45.36 8.90 87.96 0.70 07Nov2017 6 p.m. 45.73 8.60 86.10 0.00 07Nov2017 7 p.m. 46.87 0.40 71.62 0.00 07Nov2017 8 p.m. 44.51 7.70 82.23 0.00 07Nov2017 9 p.m. 43.74 9.50 83.08 0.00 07Nov2017 10 p.m. 43.65 8.90 83.89 0.00 07Nov2017 11 p.m. 43.84 8.70 79.48 0.00 08Nov2017 12 a.m. 44.10 8.10 75.67 0.00 08Nov2017 1 a.m. 44.11 7.40 71.45 0.00 08Nov2017 2 a.m. 43.84 6.70 71.97 0.00 08Nov2017 3 a.m. 43.95 6.40 72.20 0.00 08Nov2017 4 a.m. 43.79 4.60 73.16 0.00 08Nov2017 5 a.m. 43.74 4.50 75.14 0.00 08Nov2017 6 a.m. 43.63 5.40 76.01 0.00 08Nov2017 7 a.m. 43.30 6.80 76.14 0.00 Accuml. Values 1067.25 178.10 1988.28 423.50 Num. Valid Values 24 24 24 24 Avg. Values 44.47 7.42 82.84 17.65 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 6.93 286.56 82.84 36.41 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.1716 definition: xcompl = 1 - (RELH_avg/100) TdC = 4.2120 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 = 0.5098 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4902 definition: del_lambda2 = 1 - del_lambda1 Qn = -0.6776 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 = 1.7175 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 2.0136 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.025 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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