Detailed Weather Data for Project: OOLO

Date Time TAIR WSPD RELH SRAD 06Nov2017 8 a.m. 48.76 6.40 78.62 34.80 06Nov2017 9 a.m. 48.92 6.00 78.55 74.70 06Nov2017 10 a.m. 49.01 6.70 77.09 126.50 06Nov2017 11 a.m. 49.23 5.70 76.88 90.40 06Nov2017 12 p.m. 49.15 7.00 76.94 99.50 06Nov2017 1 p.m. 48.83 6.30 75.36 114.20 06Nov2017 2 p.m. 48.25 6.80 73.69 109.30 06Nov2017 3 p.m. 46.94 9.30 72.20 103.80 06Nov2017 4 p.m. 46.63 8.50 73.27 45.40 06Nov2017 5 p.m. 44.64 10.10 82.45 4.80 06Nov2017 6 p.m. 42.55 7.70 94.02 0.10 06Nov2017 7 p.m. 45.32 9.40 76.84 0.00 06Nov2017 8 p.m. 41.54 7.80 98.48 0.00 06Nov2017 9 p.m. 41.97 7.10 98.33 0.00 06Nov2017 10 p.m. 42.17 7.10 95.46 0.00 06Nov2017 11 p.m. 42.17 6.30 94.35 0.00 07Nov2017 12 a.m. 42.17 6.00 95.64 0.00 07Nov2017 1 a.m. 42.44 6.60 95.92 0.00 07Nov2017 2 a.m. 42.53 7.30 94.74 0.00 07Nov2017 3 a.m. 42.53 8.10 94.82 0.00 07Nov2017 4 a.m. 42.71 7.30 94.97 0.00 07Nov2017 5 a.m. 42.73 8.50 95.08 0.00 07Nov2017 6 a.m. 42.49 7.40 95.92 0.00 07Nov2017 7 a.m. 42.10 7.70 96.28 0.00 Accuml. Values 1075.78 177.10 2085.90 803.50 Num. Valid Values 24 24 24 24 Avg. Values 44.82 7.38 86.91 33.48 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 7.12 284.95 86.91 69.08 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.1309 definition: xcompl = 1 - (RELH_avg/100) TdC = 5.0769 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 = 0.5128 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4872 definition: del_lambda2 = 1 - del_lambda1 Qn = -0.3593 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 = 1.3372 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 1.6096 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.024 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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