Detailed Weather Data for Project: EUFA

Date Time TAIR WSPD RELH SRAD 07Nov2017 8 a.m. 45.61 2.23 91.21 12.00 07Nov2017 9 a.m. 46.71 2.30 90.11 47.00 07Nov2017 10 a.m. 46.81 1.87 88.83 70.00 07Nov2017 11 a.m. 47.25 1.73 88.40 77.00 07Nov2017 12 p.m. 47.91 2.06 87.00 80.00 07Nov2017 1 p.m. 47.35 1.93 88.64 77.00 07Nov2017 2 p.m. 46.81 1.77 89.62 69.00 07Nov2017 3 p.m. 46.49 2.01 90.60 53.00 07Nov2017 4 p.m. 46.26 2.56 90.42 47.00 07Nov2017 5 p.m. 45.72 2.36 88.52 29.00 07Nov2017 6 p.m. 46.04 2.14 88.46 1.00 07Nov2017 7 p.m. 47.59 1.15 80.71 0.00 07Nov2017 8 p.m. 45.84 2.50 87.98 0.00 07Nov2017 9 p.m. 45.72 2.31 87.67 0.00 07Nov2017 10 p.m. 45.50 2.55 84.25 0.00 07Nov2017 11 p.m. 45.27 2.15 83.15 0.00 08Nov2017 12 a.m. 45.28 1.75 82.24 0.00 08Nov2017 1 a.m. 45.39 2.84 83.21 0.00 08Nov2017 2 a.m. 45.61 2.84 82.78 0.00 08Nov2017 3 a.m. 45.28 2.35 81.69 0.00 08Nov2017 4 a.m. 44.83 2.14 80.95 0.00 08Nov2017 5 a.m. 44.40 1.96 84.31 0.00 08Nov2017 6 a.m. 44.40 2.21 83.52 0.00 08Nov2017 7 a.m. 44.51 1.98 82.23 0.00 Accuml. Values 1102.58 51.69 2066.50 562.00 Num. Valid Values 24 24 24 24 Avg. Values 45.94 2.15 86.10 23.42 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 7.74 83.17 86.10 48.32 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.1390 definition: xcompl = 1 - (RELH_avg/100) TdC = 5.5558 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 = 0.5220 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4780 definition: del_lambda2 = 1 - del_lambda1 Qn = -0.5570 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 = 1.4781 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 0.9325 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.006 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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