Detailed Weather Data for Project: TORO

Date Time TAIR WSPD RELH SRAD 07Mar2018 8 a.m. 26.37 4.50 75.27 61.60 07Mar2018 9 a.m. 30.58 3.20 68.91 303.10 07Mar2018 10 a.m. 33.44 3.60 64.28 397.40 07Mar2018 11 a.m. 36.21 4.00 56.19 642.70 07Mar2018 12 p.m. 40.01 6.10 44.83 792.80 07Mar2018 1 p.m. 43.30 6.70 31.43 812.10 07Mar2018 2 p.m. 45.00 5.30 30.31 761.20 07Mar2018 3 p.m. 46.78 5.40 27.03 646.30 07Mar2018 4 p.m. 48.31 6.10 24.10 486.30 07Mar2018 5 p.m. 49.12 5.40 23.59 292.10 07Mar2018 6 p.m. 48.88 4.60 23.45 89.50 07Mar2018 7 p.m. 48.25 3.40 31.50 0.50 07Mar2018 8 p.m. 44.76 2.00 36.06 0.00 07Mar2018 9 p.m. 42.35 1.30 34.79 0.00 07Mar2018 10 p.m. 38.07 0.40 36.85 0.00 07Mar2018 11 p.m. 34.97 0.40 45.44 0.00 08Mar2018 12 a.m. 34.65 0.80 47.69 0.00 08Mar2018 1 a.m. 33.69 1.10 50.67 0.00 08Mar2018 2 a.m. 32.13 2.40 51.94 0.00 08Mar2018 3 a.m. 31.08 2.50 56.12 0.00 08Mar2018 4 a.m. 28.85 1.50 60.13 0.00 08Mar2018 5 a.m. 26.42 0.90 64.98 0.00 08Mar2018 6 a.m. 26.04 1.30 68.31 0.00 08Mar2018 7 a.m. 24.94 1.50 72.75 3.40 Accuml. Values 894.20 74.40 1126.62 5289.00 Num. Valid Values 24 24 24 24 Avg. Values 37.26 3.10 46.94 220.38 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 2.92 119.71 46.94 454.75 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.5306 definition: xcompl = 1 - (RELH_avg/100) TdC = -7.3691 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 = 0.4486 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.5514 definition: del_lambda2 = 1 - del_lambda1 Qn = 3.7252 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 = 4.0425 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 2.6226 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.123 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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