Detailed Weather Data for Project: OOLO

Date Time TAIR WSPD RELH SRAD 04Nov2017 8 a.m. 52.36 2.40 96.50 0.00 04Nov2017 9 a.m. 52.54 2.50 97.99 6.20 04Nov2017 10 a.m. 53.35 2.00 98.38 46.00 04Nov2017 11 a.m. 54.52 1.80 97.05 80.70 04Nov2017 12 p.m. 56.08 2.30 95.28 109.90 04Nov2017 1 p.m. 57.33 1.80 95.96 77.80 04Nov2017 2 p.m. 58.53 1.90 96.19 146.30 04Nov2017 3 p.m. 60.82 0.80 90.91 247.70 04Nov2017 4 p.m. 64.40 1.40 79.16 286.60 04Nov2017 5 p.m. 62.13 2.90 86.88 184.20 04Nov2017 6 p.m. 61.57 2.10 89.18 54.30 04Nov2017 7 p.m. 62.29 3.60 83.62 0.00 04Nov2017 8 p.m. 53.89 8.70 77.33 0.00 04Nov2017 9 p.m. 59.70 5.30 90.35 0.00 04Nov2017 10 p.m. 58.89 4.10 93.59 0.00 04Nov2017 11 p.m. 58.51 2.60 95.03 0.00 05Nov2017 12 a.m. 59.20 1.20 97.07 0.00 05Nov2017 1 a.m. 63.09 3.50 96.63 0.00 05Nov2017 2 a.m. 66.42 3.60 94.11 0.00 05Nov2017 3 a.m. 68.02 4.50 91.67 0.00 05Nov2017 4 a.m. 68.36 4.50 90.89 0.00 05Nov2017 5 a.m. 68.61 4.80 90.15 0.00 05Nov2017 6 a.m. 69.13 4.70 89.36 0.00 05Nov2017 7 a.m. 69.33 4.70 89.05 0.00 Accuml. Values 1459.07 77.70 2202.33 1239.70 Num. Valid Values 24 24 24 24 Avg. Values 60.79 3.24 91.76 51.65 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 16.00 125.02 91.76 106.59 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.0824 definition: xcompl = 1 - (RELH_avg/100) TdC = 14.6386 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 = 0.6376 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.3624 definition: del_lambda2 = 1 - del_lambda1 Qn = 0.1889 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 = 1.5182 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 1.1300 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.021 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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