Detailed Weather Data for Project: FSUP

Date Time TAIR WSPD RELH SRAD 06Mar2018 8 a.m. 31.03 12.90 30.28 73.70 06Mar2018 9 a.m. 35.92 14.70 27.41 309.20 06Mar2018 10 a.m. 42.24 21.40 23.30 543.50 06Mar2018 11 a.m. 45.59 24.60 20.75 739.30 06Mar2018 12 p.m. 48.94 27.30 16.25 874.40 06Mar2018 1 p.m. 50.02 26.70 15.82 925.80 06Mar2018 2 p.m. 51.26 28.30 14.76 900.30 06Mar2018 3 p.m. 51.94 26.50 14.61 782.90 06Mar2018 4 p.m. 52.36 27.20 13.91 607.60 06Mar2018 5 p.m. 51.66 22.40 15.36 380.40 06Mar2018 6 p.m. 49.68 12.40 17.43 152.10 06Mar2018 7 p.m. 54.61 1.10 15.98 19.30 06Mar2018 8 p.m. 44.29 8.50 18.57 0.00 06Mar2018 9 p.m. 40.71 3.60 20.62 0.00 06Mar2018 10 p.m. 37.80 4.40 23.26 0.00 06Mar2018 11 p.m. 35.24 5.00 26.08 0.00 07Mar2018 12 a.m. 30.69 8.70 30.57 0.00 07Mar2018 1 a.m. 27.70 8.00 33.52 0.00 07Mar2018 2 a.m. 26.33 9.00 35.91 0.00 07Mar2018 3 a.m. 24.22 8.70 38.38 0.00 07Mar2018 4 a.m. 23.63 7.60 40.51 0.00 07Mar2018 5 a.m. 21.72 7.30 43.71 0.00 07Mar2018 6 a.m. 20.61 7.90 45.62 0.00 07Mar2018 7 a.m. 21.25 8.30 44.63 0.00 Accuml. Values 919.43 332.50 627.24 6308.50 Num. Valid Values 24 24 24 24 Avg. Values 38.31 13.85 26.14 262.85 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 3.51 534.99 26.14 542.40 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.7386 definition: xcompl = 1 - (RELH_avg/100) TdC = -14.2561 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 = 0.4576 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.5424 definition: del_lambda2 = 1 - del_lambda1 Qn = 4.8725 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 = 5.8581 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 9.3415 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.287 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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