Detailed Weather Data for Project: NEWT

Date Time TAIR WSPD RELH SRAD 06Mar2018 8 a.m. 43.39 5.20 37.04 106.30 06Mar2018 9 a.m. 47.12 8.70 32.67 323.10 06Mar2018 10 a.m. 50.50 13.80 24.63 522.80 06Mar2018 11 a.m. 52.09 17.20 21.96 680.80 06Mar2018 12 p.m. 53.91 18.60 20.00 784.70 06Mar2018 1 p.m. 55.58 18.10 19.31 822.30 06Mar2018 2 p.m. 56.55 22.90 16.23 778.70 06Mar2018 3 p.m. 56.77 22.50 16.25 657.00 06Mar2018 4 p.m. 56.44 22.50 15.85 489.00 06Mar2018 5 p.m. 55.62 21.70 18.20 290.60 06Mar2018 6 p.m. 50.77 17.00 30.21 96.80 06Mar2018 7 p.m. 49.30 3.50 29.07 3.70 06Mar2018 8 p.m. 43.20 13.50 42.24 0.00 06Mar2018 9 p.m. 41.49 11.40 43.00 0.00 06Mar2018 10 p.m. 40.24 13.10 43.19 0.00 06Mar2018 11 p.m. 38.59 12.00 47.51 0.00 07Mar2018 12 a.m. 36.90 9.50 52.13 0.00 07Mar2018 1 a.m. 35.76 7.20 55.87 0.00 07Mar2018 2 a.m. 34.21 5.00 59.68 0.00 07Mar2018 3 a.m. 33.64 7.10 61.39 0.00 07Mar2018 4 a.m. 32.97 7.00 63.03 0.00 07Mar2018 5 a.m. 31.96 6.80 66.88 0.00 07Mar2018 6 a.m. 31.42 5.50 69.60 0.00 07Mar2018 7 a.m. 31.08 3.90 72.07 0.00 Accuml. Values 1059.51 293.70 958.01 5555.80 Num. Valid Values 24 24 24 24 Avg. Values 44.15 12.24 39.92 231.49 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 6.75 472.56 39.92 477.69 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.6008 definition: xcompl = 1 - (RELH_avg/100) TdC = -6.0544 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 = 0.5071 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4929 definition: del_lambda2 = 1 - del_lambda1 Qn = 4.2884 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 = 5.9824 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 8.6419 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.253 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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