Evapotranspiration Calculations

Richmond Airport - September 2025 daily calculations

DateEvapotrans-
piration (mm) 0000- 2400
Rain (mm) 0900- 0900Pan Evaporation (mm) 0900- 0900Max TempMin TempMax Rel Hum (%)Min Rel Hum (%)Average 10m Wind Speed (m/sec)Solar Radiation (MJ/sq m)
01/09/20256.10.0 27.75.254113.7221.87
02/09/20255.90.0 30.84.856102.8121.85
03/09/20256.80.0 32.712.357224.0622.02
04/09/20256.60.0 33.415.658243.7122.01
05/09/2025 0.0  18.556233.9321.49
06/09/20258.8  36.219.769195.8622.40
07/09/20258.00.0 36.220.665224.8322.46
08/09/20257.90.0 36.119.568214.6222.61
09/09/20257.30.0 34.517.074153.9722.66
10/09/20257.80.0 36.015.464244.6322.63
11/09/20258.00.0 28.914.247135.8922.77
12/09/20257.60.0 29.612.041145.2520.64
13/09/20256.00.0 29.216.261224.2216.15
14/09/20256.70.0 30.613.369254.7621.87
15/09/20257.30.0 33.815.772194.1323.24
16/09/20257.10.0 35.318.870243.7522.91
17/09/20256.50.0 36.019.873233.4618.29
18/09/20259.20.0 38.425.557185.1122.44
19/09/20256.90.0 37.420.263182.7823.77
20/09/20256.90.0 31.922.357345.6915.41
Totals:137.40.0       

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