Detailed Weather Data for Project: OOLO

Date Time TAIR WSPD RELH SRAD 06Mar2018 8 a.m. 40.60 5.70 38.85 111.60 06Mar2018 9 a.m. 45.18 10.20 33.38 328.20 06Mar2018 10 a.m. 49.55 14.60 22.88 533.70 06Mar2018 11 a.m. 51.55 16.80 20.07 695.60 06Mar2018 12 p.m. 53.51 17.40 19.28 798.10 06Mar2018 1 p.m. 56.03 19.50 14.34 829.20 06Mar2018 2 p.m. 55.83 21.30 14.30 691.70 06Mar2018 3 p.m. 55.62 22.40 14.68 632.20 06Mar2018 4 p.m. 54.10 22.00 17.93 363.20 06Mar2018 5 p.m. 50.20 19.50 28.43 162.60 06Mar2018 6 p.m. 45.86 20.70 36.44 49.50 06Mar2018 7 p.m. 49.19 5.10 23.32 1.70 06Mar2018 8 p.m. 40.75 13.10 40.80 0.00 06Mar2018 9 p.m. 39.40 11.60 42.94 0.00 06Mar2018 10 p.m. 37.89 12.30 46.52 0.00 06Mar2018 11 p.m. 36.32 11.70 50.46 0.00 07Mar2018 12 a.m. 34.38 5.70 55.44 0.00 07Mar2018 1 a.m. 32.95 5.70 58.83 0.00 07Mar2018 2 a.m. 32.45 6.60 62.27 0.00 07Mar2018 3 a.m. 30.92 5.90 65.36 0.00 07Mar2018 4 a.m. 31.12 6.80 67.33 0.00 07Mar2018 5 a.m. 30.58 3.30 69.24 0.00 07Mar2018 6 a.m. 30.34 4.30 68.82 0.00 07Mar2018 7 a.m. 29.55 5.90 70.71 0.00 Accuml. Values 1013.86 288.10 982.62 5197.30 Num. Valid Values 24 24 24 24 Avg. Values 42.24 12.00 40.94 216.55 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 5.69 463.55 40.94 446.86 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.5906 definition: xcompl = 1 - (RELH_avg/100) TdC = -6.6699 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 = 0.4911 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.5089 definition: del_lambda2 = 1 - del_lambda1 Qn = 3.8168 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 = 5.4682 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 7.8683 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.231 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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