Detailed Weather Data for Project: TORO

Date Time TAIR WSPD RELH SRAD 29Dec2017 8 a.m. 19.26 1.90 85.54 0.00 29Dec2017 9 a.m. 21.87 3.80 83.36 3.00 29Dec2017 10 a.m. 26.83 3.80 75.93 34.90 29Dec2017 11 a.m. 30.27 5.30 68.89 65.20 29Dec2017 12 p.m. 33.78 8.30 62.76 122.30 29Dec2017 1 p.m. 36.25 9.20 64.87 141.10 29Dec2017 2 p.m. 38.57 10.20 63.68 181.80 29Dec2017 3 p.m. 38.93 9.60 66.91 109.40 29Dec2017 4 p.m. 38.37 8.30 71.85 27.00 29Dec2017 5 p.m. 37.99 4.50 74.85 0.60 29Dec2017 6 p.m. 37.62 2.10 76.60 0.00 29Dec2017 7 p.m. 15.78 4.10 52.56 0.00 29Dec2017 8 p.m. 36.19 0.70 81.18 0.00 29Dec2017 9 p.m. 36.21 0.60 79.93 0.00 29Dec2017 10 p.m. 35.74 0.50 81.64 0.00 29Dec2017 11 p.m. 35.19 2.10 83.29 0.00 30Dec2017 12 a.m. 34.20 5.20 80.09 0.00 30Dec2017 1 a.m. 27.05 6.40 88.49 0.00 30Dec2017 2 a.m. 23.79 5.60 90.85 0.00 30Dec2017 3 a.m. 22.33 6.50 86.31 0.00 30Dec2017 4 a.m. 20.46 6.50 83.76 0.00 30Dec2017 5 a.m. 19.11 5.90 76.35 0.00 30Dec2017 6 a.m. 17.91 5.20 73.03 0.00 30Dec2017 7 a.m. 15.53 6.10 72.40 0.00 Accuml. Values 699.24 122.40 1825.12 685.30 Num. Valid Values 24 24 24 24 Avg. Values 29.13 5.10 76.05 28.55 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values -1.59 196.94 76.05 58.92 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.2395 definition: xcompl = 1 - (RELH_avg/100) TdC = -5.2453 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 = 0.3791 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.6209 definition: del_lambda2 = 1 - del_lambda1 Qn = -0.5296 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 = 1.3086 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 1.2558 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.023 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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