Detailed Weather Data for Project: OOLO

Date Time TAIR WSPD RELH SRAD 08Nov2017 8 a.m. 39.78 8.30 69.79 8.40 08Nov2017 9 a.m. 41.56 7.20 70.10 69.20 08Nov2017 10 a.m. 41.94 7.40 69.16 192.50 08Nov2017 11 a.m. 43.84 7.30 64.47 326.80 08Nov2017 12 p.m. 46.58 5.60 60.56 448.40 08Nov2017 1 p.m. 49.06 6.30 56.00 584.20 08Nov2017 2 p.m. 51.80 5.10 46.20 464.20 08Nov2017 3 p.m. 53.29 5.00 41.86 441.90 08Nov2017 4 p.m. 53.83 6.30 39.47 270.70 08Nov2017 5 p.m. 53.87 5.50 40.16 77.60 08Nov2017 6 p.m. 52.99 3.10 45.24 0.90 08Nov2017 7 p.m. 53.71 0.80 65.93 0.00 08Nov2017 8 p.m. 49.46 0.60 61.38 0.00 08Nov2017 9 p.m. 47.75 1.20 61.73 0.00 08Nov2017 10 p.m. 46.04 0.60 71.63 0.00 08Nov2017 11 p.m. 42.48 0.50 74.92 0.00 09Nov2017 12 a.m. 41.22 0.30 72.00 0.00 09Nov2017 1 a.m. 40.21 0.20 76.26 0.00 09Nov2017 2 a.m. 36.90 0.90 87.29 0.00 09Nov2017 3 a.m. 37.02 1.10 83.88 0.00 09Nov2017 4 a.m. 35.78 0.70 88.59 0.00 09Nov2017 5 a.m. 36.54 0.20 85.91 0.00 09Nov2017 6 a.m. 35.78 0.50 85.77 0.00 09Nov2017 7 a.m. 34.39 1.70 87.34 0.00 Accuml. Values 1065.81 76.40 1605.64 2884.80 Num. Valid Values 24 24 24 24 Avg. Values 44.41 3.18 66.90 120.20 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 6.89 122.93 66.90 248.04 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.3310 definition: xcompl = 1 - (RELH_avg/100) TdC = 1.2178 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 = 0.5093 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4907 definition: del_lambda2 = 1 - del_lambda1 Qn = 1.5177 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 = 3.2834 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 2.2106 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.073 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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