Detailed Weather Data for Project: NEWT

Date Time TAIR WSPD RELH SRAD 05Nov2017 8 a.m. 70.20 2.70 87.49 64.10 05Nov2017 9 a.m. 73.13 5.10 81.14 230.20 05Nov2017 10 a.m. 75.94 8.10 72.08 270.30 05Nov2017 11 a.m. 78.10 8.10 59.97 301.20 05Nov2017 12 p.m. 79.72 8.80 51.43 595.10 05Nov2017 1 p.m. 80.04 9.20 44.18 598.80 05Nov2017 2 p.m. 76.44 14.80 42.22 567.80 05Nov2017 3 p.m. 69.22 14.40 59.16 447.70 05Nov2017 4 p.m. 62.40 13.70 69.76 254.40 05Nov2017 5 p.m. 58.46 12.10 75.25 23.10 05Nov2017 6 p.m. 56.91 9.80 76.51 0.00 05Nov2017 7 p.m. 44.91 6.10 94.77 0.00 05Nov2017 8 p.m. 55.51 8.00 76.63 0.00 05Nov2017 9 p.m. 55.18 7.30 76.56 0.00 05Nov2017 10 p.m. 55.04 7.40 75.33 0.00 05Nov2017 11 p.m. 54.70 6.50 75.39 0.00 06Nov2017 12 a.m. 54.07 7.00 75.06 0.00 06Nov2017 1 a.m. 53.56 6.50 75.75 0.00 06Nov2017 2 a.m. 53.28 3.20 76.01 0.00 06Nov2017 3 a.m. 53.22 4.00 77.89 0.00 06Nov2017 4 a.m. 53.46 4.60 79.88 0.00 06Nov2017 5 a.m. 52.79 4.90 80.29 0.00 06Nov2017 6 a.m. 51.33 5.90 82.78 0.00 06Nov2017 7 a.m. 49.87 6.40 83.44 0.00 Accuml. Values 1467.48 184.60 1748.97 3352.70 Num. Valid Values 24 24 24 24 Avg. Values 61.15 7.69 72.87 139.70 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 16.19 297.02 72.87 288.27 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.2713 definition: xcompl = 1 - (RELH_avg/100) TdC = 11.3878 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 = 0.6401 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.3599 definition: del_lambda2 = 1 - del_lambda1 Qn = 2.4573 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 = 4.9365 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 5.2225 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.136 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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