Detailed Weather Data for Project: NEWT

Date Time TAIR WSPD RELH SRAD 04Nov2017 8 a.m. 53.24 1.40 97.50 0.00 04Nov2017 9 a.m. 54.18 1.20 97.43 4.90 04Nov2017 10 a.m. 55.99 1.80 95.23 36.50 04Nov2017 11 a.m. 57.36 0.60 95.78 48.20 04Nov2017 12 p.m. 58.44 0.70 96.44 56.40 04Nov2017 1 p.m. 60.42 1.70 97.28 53.00 04Nov2017 2 p.m. 64.45 2.90 91.60 72.90 04Nov2017 3 p.m. 67.71 2.10 83.09 201.30 04Nov2017 4 p.m. 70.72 2.50 76.14 265.10 04Nov2017 5 p.m. 70.90 4.90 75.58 261.80 04Nov2017 6 p.m. 69.15 4.00 79.01 60.00 04Nov2017 7 p.m. 66.16 3.40 85.82 0.00 04Nov2017 8 p.m. 56.53 8.90 75.38 0.00 04Nov2017 9 p.m. 62.33 0.80 91.49 0.00 04Nov2017 10 p.m. 61.56 0.50 92.95 0.00 04Nov2017 11 p.m. 59.79 0.90 95.54 0.00 05Nov2017 12 a.m. 69.22 3.30 87.00 0.00 05Nov2017 1 a.m. 71.73 2.70 82.49 0.00 05Nov2017 2 a.m. 71.62 2.90 82.12 0.00 05Nov2017 3 a.m. 71.19 3.00 82.68 0.00 05Nov2017 4 a.m. 71.22 3.30 83.05 0.00 05Nov2017 5 a.m. 70.92 3.10 84.35 0.00 05Nov2017 6 a.m. 70.74 2.70 85.44 0.00 05Nov2017 7 a.m. 70.20 2.40 86.98 0.00 Accuml. Values 1555.77 61.70 2100.37 1060.10 Num. Valid Values 24 24 24 24 Avg. Values 64.82 2.57 87.52 44.17 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 18.24 99.28 87.52 91.15 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.1248 definition: xcompl = 1 - (RELH_avg/100) TdC = 16.1241 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 = 0.6657 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.3343 definition: del_lambda2 = 1 - del_lambda1 Qn = 0.0518 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 = 2.6181 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 1.6512 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.023 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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