Detailed Weather Data for Project: NEWT

Date Time TAIR WSPD RELH SRAD 04Mar2018 8 a.m. 55.11 7.50 52.58 3.90 04Mar2018 9 a.m. 55.17 8.10 52.67 25.50 04Mar2018 10 a.m. 55.33 6.80 54.26 52.40 04Mar2018 11 a.m. 56.16 7.10 54.14 69.50 04Mar2018 12 p.m. 56.57 8.10 53.03 79.40 04Mar2018 1 p.m. 57.42 9.50 53.43 115.40 04Mar2018 2 p.m. 57.31 10.10 57.50 76.70 04Mar2018 3 p.m. 56.50 11.50 59.68 61.90 04Mar2018 4 p.m. 56.07 8.90 61.65 29.10 04Mar2018 5 p.m. 56.14 9.00 64.00 12.90 04Mar2018 6 p.m. 56.10 9.70 66.70 6.90 04Mar2018 7 p.m. 57.24 7.80 20.44 2.90 04Mar2018 8 p.m. 56.52 11.20 69.41 0.00 04Mar2018 9 p.m. 55.72 11.10 73.62 0.00 04Mar2018 10 p.m. 55.35 11.60 74.82 0.00 04Mar2018 11 p.m. 55.20 12.80 73.14 0.00 05Mar2018 12 a.m. 55.13 7.90 72.09 0.00 05Mar2018 1 a.m. 55.08 5.00 72.87 0.00 05Mar2018 2 a.m. 55.17 6.00 72.72 0.00 05Mar2018 3 a.m. 55.31 5.50 74.31 0.00 05Mar2018 4 a.m. 56.10 5.30 76.84 0.00 05Mar2018 5 a.m. 57.04 4.90 79.44 0.00 05Mar2018 6 a.m. 56.62 2.80 82.22 0.00 05Mar2018 7 a.m. 58.46 2.30 86.35 0.00 Accuml. Values 1346.79 190.50 1557.91 536.50 Num. Valid Values 24 24 24 24 Avg. Values 56.12 7.94 64.91 22.35 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 13.40 306.51 64.91 46.13 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.3509 definition: xcompl = 1 - (RELH_avg/100) TdC = 7.0031 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 = 0.6031 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.3969 definition: del_lambda2 = 1 - del_lambda1 Qn = -0.5315 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 = 5.3551 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 5.7308 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.077 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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