Detailed Weather Data for Project: TENK

Date Time TAIR WSPD RELH SRAD 06Nov2017 8 a.m. 53.42 2.68 86.25 15.50 06Nov2017 9 a.m. 53.48 1.94 91.67 35.00 06Nov2017 10 a.m. 54.27 2.52 97.00 50.75 06Nov2017 11 a.m. 54.62 1.57 98.33 63.33 06Nov2017 12 p.m. 54.77 2.07 99.00 73.75 06Nov2017 1 p.m. 53.90 2.46 99.00 74.67 06Nov2017 2 p.m. 53.96 2.31 99.00 73.00 06Nov2017 3 p.m. 54.32 1.86 98.67 58.33 06Nov2017 4 p.m. 54.27 2.35 99.00 40.50 06Nov2017 5 p.m. 54.32 2.35 100.00 21.50 06Nov2017 6 p.m. 49.64 4.70 100.00 0.00 06Nov2017 7 p.m. 47.30 4.47 100.00 0.00 06Nov2017 8 p.m. 45.68 3.80 100.00 0.00 06Nov2017 9 p.m. 45.59 3.69 100.00 0.00 06Nov2017 10 p.m. 45.26 4.25 100.00 0.00 06Nov2017 11 p.m. 44.64 4.08 100.00 0.00 07Nov2017 12 a.m. 44.42 3.52 100.00 0.00 07Nov2017 1 a.m. 44.28 4.31 100.00 0.00 07Nov2017 2 a.m. 44.42 3.41 100.00 0.00 07Nov2017 3 a.m. 44.54 1.49 100.00 0.00 07Nov2017 4 a.m. 44.78 2.52 100.00 0.00 07Nov2017 5 a.m. 44.51 4.03 100.00 0.00 07Nov2017 6 a.m. 44.60 3.36 100.00 0.00 07Nov2017 7 a.m. 44.78 3.47 100.00 1.50 Accuml. Values 1175.77 73.21 2367.92 507.83 Num. Valid Values 24 24 24 24 Avg. Values 48.99 3.05 98.66 21.16 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 9.44 117.79 98.66 43.66 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.0134 definition: xcompl = 1 - (RELH_avg/100) TdC = 9.2302 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 = 0.5471 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4529 definition: del_lambda2 = 1 - del_lambda1 Qn = -0.5899 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 = 0.1654 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 0.1564 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.000 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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