Detailed Weather Data for Project: FALL

Date Time TAIR WSPD RELH SRAD 04Nov2017 8 a.m. 45.95 1.40 100.24 0.00 04Nov2017 9 a.m. 46.36 0.80 100.24 2.00 04Nov2017 10 a.m. 47.48 2.10 100.23 16.20 04Nov2017 11 a.m. 48.70 1.50 99.23 35.20 04Nov2017 12 p.m. 49.37 1.40 96.63 57.70 04Nov2017 1 p.m. 49.73 2.50 95.46 60.20 04Nov2017 2 p.m. 49.98 2.00 96.86 89.60 04Nov2017 3 p.m. 51.08 2.90 95.94 173.70 04Nov2017 4 p.m. 52.03 2.40 92.85 86.80 04Nov2017 5 p.m. 52.92 1.40 89.75 36.60 04Nov2017 6 p.m. 53.73 1.90 87.10 9.50 04Nov2017 7 p.m. 53.76 1.10 88.21 0.00 04Nov2017 8 p.m. 49.95 8.30 73.26 0.00 04Nov2017 9 p.m. 51.12 0.80 94.17 0.00 04Nov2017 10 p.m. 49.23 1.00 97.49 0.00 04Nov2017 11 p.m. 46.15 3.60 99.02 0.00 05Nov2017 12 a.m. 47.25 1.50 100.23 0.00 05Nov2017 1 a.m. 46.81 0.70 100.23 0.00 05Nov2017 2 a.m. 45.66 1.10 100.24 0.00 05Nov2017 3 a.m. 45.61 0.70 100.24 0.00 05Nov2017 4 a.m. 48.56 2.20 100.23 0.00 05Nov2017 5 a.m. 52.56 6.60 100.22 0.00 05Nov2017 6 a.m. 50.13 6.80 100.23 0.00 05Nov2017 7 a.m. 50.52 5.10 100.23 0.00 Accuml. Values 1184.63 59.80 2308.53 567.50 Num. Valid Values 24 24 24 24 Avg. Values 49.36 2.49 96.19 23.65 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 9.64 96.22 96.19 48.79 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.0381 definition: xcompl = 1 - (RELH_avg/100) TdC = 9.0468 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 = 0.5500 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4500 definition: del_lambda2 = 1 - del_lambda1 Qn = -0.5366 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 = 0.4734 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 0.3620 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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