Detailed Weather Data for Project: OOLO

Date Time TAIR WSPD RELH SRAD 03Mar2018 8 a.m. 46.29 4.60 65.66 82.20 03Mar2018 9 a.m. 48.92 5.70 60.42 286.30 03Mar2018 10 a.m. 53.01 6.90 53.53 481.60 03Mar2018 11 a.m. 56.16 7.90 49.71 638.30 03Mar2018 12 p.m. 59.31 7.00 46.08 742.50 03Mar2018 1 p.m. 61.29 7.10 44.49 772.90 03Mar2018 2 p.m. 63.19 6.70 43.43 654.20 03Mar2018 3 p.m. 64.76 7.10 42.35 675.90 03Mar2018 4 p.m. 65.55 7.50 41.89 385.20 03Mar2018 5 p.m. 66.18 7.90 40.93 282.50 03Mar2018 6 p.m. 65.97 6.80 40.60 105.90 03Mar2018 7 p.m. 55.94 8.10 66.34 0.00 03Mar2018 8 p.m. 61.66 4.70 46.22 0.00 03Mar2018 9 p.m. 59.70 5.10 47.61 0.00 03Mar2018 10 p.m. 58.06 4.60 48.32 0.00 03Mar2018 11 p.m. 57.25 4.50 45.60 0.00 04Mar2018 12 a.m. 55.63 3.70 46.00 0.00 04Mar2018 1 a.m. 53.74 3.80 48.81 0.00 04Mar2018 2 a.m. 54.01 5.70 48.47 0.00 04Mar2018 3 a.m. 54.34 6.40 48.85 0.00 04Mar2018 4 a.m. 54.50 6.60 49.51 0.00 04Mar2018 5 a.m. 54.72 5.50 49.68 0.00 04Mar2018 6 a.m. 55.22 6.40 48.42 0.00 04Mar2018 7 a.m. 55.96 7.10 46.83 0.00 Accuml. Values 1381.37 147.40 1169.75 5107.50 Num. Valid Values 24 24 24 24 Avg. Values 57.56 6.14 48.74 212.81 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 14.20 237.17 48.74 439.14 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.5126 definition: xcompl = 1 - (RELH_avg/100) TdC = 3.5430 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 = 0.6139 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.3861 definition: del_lambda2 = 1 - del_lambda1 Qn = 4.3600 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 = 8.3267 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 7.1527 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.214 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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