Detailed Weather Data for Project: DENI

Date Time TAIR WSPD RELH SRAD 06Nov2017 8 a.m. 54.16 4.05 90.77 33.00 06Nov2017 9 a.m. 54.72 2.63 94.62 99.00 06Nov2017 10 a.m. 56.59 9.75 93.16 132.00 06Nov2017 11 a.m. 57.69 13.56 90.72 178.00 06Nov2017 12 p.m. 58.57 10.68 88.08 260.00 06Nov2017 1 p.m. 60.76 8.79 80.71 407.00 06Nov2017 2 p.m. 60.44 15.75 81.44 191.00 06Nov2017 3 p.m. 60.22 12.14 81.20 118.00 06Nov2017 4 p.m. 60.12 9.41 80.16 110.00 06Nov2017 5 p.m. 60.44 9.30 80.28 17.00 06Nov2017 6 p.m. 59.34 9.29 78.33 0.00 06Nov2017 7 p.m. 48.99 11.64 79.54 0.00 06Nov2017 8 p.m. 58.14 13.06 79.85 0.00 06Nov2017 9 p.m. 57.13 15.20 80.45 0.00 06Nov2017 10 p.m. 56.48 14.07 82.23 0.00 06Nov2017 11 p.m. 54.84 9.18 82.66 0.00 07Nov2017 12 a.m. 53.74 7.68 80.40 0.00 07Nov2017 1 a.m. 52.75 6.40 81.87 0.00 07Nov2017 2 a.m. 51.66 5.59 82.78 0.00 07Nov2017 3 a.m. 50.99 5.59 83.82 0.00 07Nov2017 4 a.m. 50.22 7.09 82.05 0.00 07Nov2017 5 a.m. 49.23 7.90 82.91 0.00 07Nov2017 6 a.m. 49.89 6.92 81.93 0.00 07Nov2017 7 a.m. 48.79 8.55 81.99 2.00 Accuml. Values 1325.89 224.22 2001.95 1547.00 Num. Valid Values 24 24 24 24 Avg. Values 55.25 9.34 83.41 64.46 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 12.91 360.77 83.41 133.01 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.1659 definition: xcompl = 1 - (RELH_avg/100) TdC = 10.1775 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 = 0.5964 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4036 definition: del_lambda2 = 1 - del_lambda1 Qn = 0.4209 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 = 2.4682 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 3.2472 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.061 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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