Detailed Weather Data for Project: TENK

Date Time TAIR WSPD RELH SRAD 05Nov2017 8 a.m. 69.71 10.35 90.75 60.50 05Nov2017 9 a.m. 72.68 9.47 83.33 197.00 05Nov2017 10 a.m. 76.28 8.22 73.50 370.00 05Nov2017 11 a.m. 78.56 9.02 65.00 385.67 05Nov2017 12 p.m. 81.45 9.45 57.75 608.75 05Nov2017 1 p.m. 80.96 9.92 56.00 339.33 05Nov2017 2 p.m. 81.27 8.61 54.25 337.25 05Nov2017 3 p.m. 82.04 9.00 50.50 224.50 05Nov2017 4 p.m. 78.30 9.17 46.50 231.50 05Nov2017 5 p.m. 68.67 7.94 60.00 90.50 05Nov2017 6 p.m. 58.46 7.16 80.00 0.00 05Nov2017 7 p.m. 56.48 6.71 82.00 0.00 05Nov2017 8 p.m. 55.49 7.05 81.50 0.00 05Nov2017 9 p.m. 54.74 5.37 82.00 0.00 05Nov2017 10 p.m. 54.23 5.31 82.00 0.00 05Nov2017 11 p.m. 53.91 5.54 81.75 0.00 06Nov2017 12 a.m. 53.96 4.59 82.00 0.00 06Nov2017 1 a.m. 53.73 4.03 81.00 0.00 06Nov2017 2 a.m. 52.83 3.36 82.00 0.00 06Nov2017 3 a.m. 50.42 2.68 86.67 0.00 06Nov2017 4 a.m. 50.09 1.40 89.75 0.00 06Nov2017 5 a.m. 49.91 0.78 91.50 0.00 06Nov2017 6 a.m. 49.23 0.67 93.75 0.00 06Nov2017 7 a.m. 49.64 1.01 95.50 1.00 Accuml. Values 1513.04 146.81 1829.00 2846.00 Num. Valid Values 24 24 24 24 Avg. Values 63.04 6.12 76.21 118.58 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 17.25 236.22 76.21 244.70 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.2379 definition: xcompl = 1 - (RELH_avg/100) TdC = 13.0744 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 = 0.6535 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.3465 definition: del_lambda2 = 1 - del_lambda1 Qn = 1.9443 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 = 4.6291 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 4.2561 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.108 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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