Detailed Weather Data for Project: PINE

Date Time TAIR WSPD RELH SRAD 08Nov2017 8 a.m. 48.94 5.60 90.02 5.60 08Nov2017 9 a.m. 48.90 3.60 91.20 15.00 08Nov2017 10 a.m. 49.55 3.70 89.12 32.30 08Nov2017 11 a.m. 49.24 3.30 92.16 32.00 08Nov2017 12 p.m. 49.10 5.50 94.31 51.90 08Nov2017 1 p.m. 49.03 6.70 95.36 46.90 08Nov2017 2 p.m. 49.21 8.10 93.97 27.70 08Nov2017 3 p.m. 48.99 7.00 94.63 33.70 08Nov2017 4 p.m. 48.69 4.50 94.58 17.60 08Nov2017 5 p.m. 48.85 4.70 93.47 0.00 08Nov2017 6 p.m. 48.58 3.80 94.93 0.00 08Nov2017 7 p.m. 53.17 0.70 88.30 0.00 08Nov2017 8 p.m. 47.91 1.70 99.65 0.00 08Nov2017 9 p.m. 47.73 1.90 100.11 0.00 08Nov2017 10 p.m. 47.82 1.20 100.11 0.00 08Nov2017 11 p.m. 48.24 1.80 99.66 0.00 09Nov2017 12 a.m. 48.11 2.20 98.19 0.00 09Nov2017 1 a.m. 48.20 4.60 95.42 0.00 09Nov2017 2 a.m. 47.84 1.30 97.23 0.00 09Nov2017 3 a.m. 47.35 1.10 98.78 0.00 09Nov2017 4 a.m. 46.83 0.20 100.04 0.00 09Nov2017 5 a.m. 46.31 1.40 100.05 0.00 09Nov2017 6 a.m. 45.46 3.20 100.11 0.00 09Nov2017 7 a.m. 44.46 3.80 100.11 0.00 Accuml. Values 1158.51 81.60 2301.51 262.70 Num. Valid Values 24 24 24 24 Avg. Values 48.27 3.40 95.90 10.95 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 9.04 131.29 95.90 22.59 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.0410 definition: xcompl = 1 - (RELH_avg/100) TdC = 8.3990 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 = 0.5412 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4588 definition: del_lambda2 = 1 - del_lambda1 Qn = -0.8009 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 = 0.4892 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 0.4268 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.000 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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