Detailed Weather Data for Project: DENI

Date Time TAIR WSPD RELH SRAD 05Mar2018 8 a.m. 66.92 17.55 87.67 129.00 05Mar2018 9 a.m. 55.71 28.92 52.81 207.00 05Mar2018 10 a.m. 57.90 19.61 39.25 605.00 05Mar2018 11 a.m. 60.22 18.12 32.91 779.00 05Mar2018 12 p.m. 60.44 19.10 30.46 881.00 05Mar2018 1 p.m. 60.76 20.65 26.68 908.00 05Mar2018 2 p.m. 61.11 17.24 24.85 705.00 05Mar2018 3 p.m. 61.86 19.57 22.83 739.00 05Mar2018 4 p.m. 60.76 16.87 22.41 320.00 05Mar2018 5 p.m. 60.55 14.46 23.02 247.00 05Mar2018 6 p.m. 58.91 11.64 30.04 65.00 05Mar2018 7 p.m. 57.25 25.45 26.68 1.00 05Mar2018 8 p.m. 55.83 5.88 37.42 0.00 05Mar2018 9 p.m. 53.06 2.52 41.57 0.00 05Mar2018 10 p.m. 54.50 3.00 30.58 0.00 05Mar2018 11 p.m. 52.18 3.41 34.92 0.00 06Mar2018 12 a.m. 51.66 3.14 29.79 0.00 06Mar2018 1 a.m. 48.78 0.48 35.10 0.00 06Mar2018 2 a.m. 47.14 0.70 45.79 0.00 06Mar2018 3 a.m. 47.46 2.03 40.72 0.00 06Mar2018 4 a.m. 47.14 1.43 46.64 0.00 06Mar2018 5 a.m. 46.36 4.77 38.52 0.00 06Mar2018 6 a.m. 46.04 9.53 61.66 0.00 06Mar2018 7 a.m. 47.70 10.32 47.80 7.00 Accuml. Values 1320.24 276.39 910.12 5593.00 Num. Valid Values 24 24 24 24 Avg. Values 55.01 11.52 37.92 233.04 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 12.78 444.71 37.92 480.89 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.6208 definition: xcompl = 1 - (RELH_avg/100) TdC = -1.3296 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 = 0.5946 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4054 definition: del_lambda2 = 1 - del_lambda1 Qn = 4.8241 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 = 9.2424 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 12.1005 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.306 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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