Detailed Weather Data for Project: CANT

Date Time TAIR WSPD RELH SRAD 08Nov2017 8 a.m. 38.34 1.70 63.66 5.50 08Nov2017 9 a.m. 38.52 2.00 62.03 57.00 08Nov2017 10 a.m. 39.06 1.70 60.70 138.00 08Nov2017 11 a.m. 39.58 1.40 59.47 133.30 08Nov2017 12 p.m. 41.18 1.30 58.27 192.00 08Nov2017 1 p.m. 43.23 1.30 54.77 305.50 08Nov2017 2 p.m. 45.27 1.20 49.22 275.70 08Nov2017 3 p.m. 46.47 2.40 46.97 327.30 08Nov2017 4 p.m. 48.79 1.90 43.91 280.90 08Nov2017 5 p.m. 47.91 1.10 46.57 125.50 08Nov2017 6 p.m. 46.62 0.50 51.86 4.60 08Nov2017 7 p.m. 50.41 2.00 58.09 0.00 08Nov2017 8 p.m. 43.50 1.10 63.09 0.00 08Nov2017 9 p.m. 39.24 1.50 70.72 0.00 08Nov2017 10 p.m. 35.08 1.20 86.53 0.00 08Nov2017 11 p.m. 35.01 0.60 84.67 0.00 09Nov2017 12 a.m. 34.38 0.90 87.53 0.00 09Nov2017 1 a.m. 32.63 0.50 89.20 0.00 09Nov2017 2 a.m. 31.62 1.30 91.65 0.00 09Nov2017 3 a.m. 31.51 0.60 92.54 0.00 09Nov2017 4 a.m. 31.64 0.10 92.24 0.00 09Nov2017 5 a.m. 31.64 0.80 92.21 0.00 09Nov2017 6 a.m. 31.69 0.30 91.62 0.00 09Nov2017 7 a.m. 29.93 1.20 93.40 0.00 Accuml. Values 933.24 28.60 1690.92 1845.30 Num. Valid Values 24 24 24 24 Avg. Values 38.88 1.19 70.46 76.89 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 3.82 46.02 70.46 158.66 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.2954 definition: xcompl = 1 - (RELH_avg/100) TdC = -1.0187 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 = 0.4625 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.5375 definition: del_lambda2 = 1 - del_lambda1 Qn = 0.4730 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 = 2.3718 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 1.1834 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.034 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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