Detailed Weather Data for Project: OOLO

Date Time TAIR WSPD RELH SRAD 05Nov2017 8 a.m. 69.31 4.10 88.49 18.40 05Nov2017 9 a.m. 71.67 6.20 81.34 223.10 05Nov2017 10 a.m. 74.05 8.20 72.41 325.90 05Nov2017 11 a.m. 76.17 8.30 56.52 550.60 05Nov2017 12 p.m. 75.79 9.10 51.77 577.90 05Nov2017 1 p.m. 65.35 14.40 68.31 600.10 05Nov2017 2 p.m. 60.06 14.60 77.02 300.40 05Nov2017 3 p.m. 57.40 13.90 79.32 163.10 05Nov2017 4 p.m. 56.32 11.40 77.88 40.90 05Nov2017 5 p.m. 55.76 9.90 76.62 12.90 05Nov2017 6 p.m. 54.90 10.70 76.17 0.10 05Nov2017 7 p.m. 41.94 7.40 96.57 0.00 05Nov2017 8 p.m. 54.10 6.60 75.41 0.00 05Nov2017 9 p.m. 54.16 4.90 75.24 0.00 05Nov2017 10 p.m. 54.37 6.10 72.09 0.00 05Nov2017 11 p.m. 54.00 7.40 68.72 0.00 06Nov2017 12 a.m. 53.15 9.80 70.54 0.00 06Nov2017 1 a.m. 52.18 14.20 71.77 0.00 06Nov2017 2 a.m. 51.51 12.60 74.51 0.00 06Nov2017 3 a.m. 51.39 6.30 76.77 0.00 06Nov2017 4 a.m. 51.04 8.80 78.13 0.00 06Nov2017 5 a.m. 50.76 11.00 78.15 0.00 06Nov2017 6 a.m. 50.70 8.90 78.34 0.00 06Nov2017 7 a.m. 49.69 5.90 78.65 0.00 Accuml. Values 1385.78 220.70 1800.74 2813.40 Num. Valid Values 24 24 24 24 Avg. Values 57.74 9.20 75.03 117.22 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 14.30 355.11 75.03 241.90 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.2497 definition: xcompl = 1 - (RELH_avg/100) TdC = 9.9867 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 = 0.6153 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.3847 definition: del_lambda2 = 1 - del_lambda1 Qn = 1.7658 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 = 4.0325 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 4.9456 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.118 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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