Detailed Weather Data for Project: DENI

Date Time TAIR WSPD RELH SRAD 06Mar2018 8 a.m. 48.13 12.01 46.58 187.00 06Mar2018 9 a.m. 51.21 11.14 26.92 155.00 06Mar2018 10 a.m. 52.52 12.09 28.02 647.00 06Mar2018 11 a.m. 54.61 12.31 24.60 810.00 06Mar2018 12 p.m. 55.27 15.23 25.21 908.00 06Mar2018 1 p.m. 56.37 14.70 26.01 927.00 06Mar2018 2 p.m. 57.58 19.28 24.18 713.00 06Mar2018 3 p.m. 58.14 22.09 27.23 772.00 06Mar2018 4 p.m. 59.00 24.01 21.49 497.00 06Mar2018 5 p.m. 59.22 28.76 23.75 330.00 06Mar2018 6 p.m. 58.57 25.55 26.07 111.00 06Mar2018 7 p.m. 51.98 2.07 29.12 1.00 06Mar2018 8 p.m. 55.83 17.85 32.66 0.00 06Mar2018 9 p.m. 55.26 18.87 24.91 0.00 06Mar2018 10 p.m. 53.40 18.27 25.45 0.00 06Mar2018 11 p.m. 49.55 13.03 30.52 0.00 07Mar2018 12 a.m. 47.25 17.39 33.39 0.00 07Mar2018 1 a.m. 45.05 15.28 40.53 0.00 07Mar2018 2 a.m. 43.30 15.45 44.26 0.00 07Mar2018 3 a.m. 41.86 15.43 42.19 0.00 07Mar2018 4 a.m. 40.77 13.59 49.02 0.00 07Mar2018 5 a.m. 40.32 16.94 48.77 0.00 07Mar2018 6 a.m. 39.00 15.31 51.34 0.00 07Mar2018 7 a.m. 37.90 12.91 54.63 8.00 Accuml. Values 1212.08 389.56 806.85 6066.00 Num. Valid Values 24 24 24 24 Avg. Values 50.50 16.23 33.62 252.75 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 10.28 626.80 33.62 521.55 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.6638 definition: xcompl = 1 - (RELH_avg/100) TdC = -5.1885 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 = 0.5593 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4407 definition: del_lambda2 = 1 - del_lambda1 Qn = 5.1716 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 = 8.3835 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 14.5352 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.366 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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