Evapotranspiration Calculations

Richmond Airport - January 2026 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)
01/01/20262.835.0 28.523.398815.4511.49
02/01/20264.533.0 29.721.096734.4920.69
03/01/20264.624.2 31.923.798664.0918.46
04/01/20262.750.8 27.922.297793.7610.88
05/01/20266.91.4 32.021.593575.8330.34
06/01/20267.60.0 33.921.794465.1730.25
07/01/20268.30.0 35.523.388395.0430.40
08/01/20268.20.0 35.323.482435.3429.28
09/01/20268.40.0 34.922.889375.5030.11
10/01/20268.40.0 35.823.384466.1129.22
11/01/20268.60.0 36.922.793386.0328.22
12/01/20266.60.0 33.222.192527.1621.74
13/01/20265.41.6 33.722.197574.1120.38
14/01/20266.00.6 35.423.897523.4522.98
15/01/20267.016.0 35.325.197484.5226.17
16/01/20264.49.2 33.623.897612.6616.89
17/01/20266.918.0 34.923.796513.0229.11
18/01/20267.60.2 36.324.594443.4330.09
19/01/20267.70.0 37.024.494403.2030.12
20/01/20269.00.0 37.623.690385.7830.08
21/01/20266.29.0 33.121.990484.5122.54
22/01/20267.30.0 36.123.292423.2629.01
23/01/20267.00.0 36.524.490422.4028.73
24/01/20267.10.0 35.425.086313.6024.05
25/01/20265.20.0 32.724.079493.0817.50
26/01/20262.83.6 26.824.196714.499.77
27/01/20266.55.2 33.022.094465.4622.93
28/01/20265.90.0 33.722.989533.7622.24
29/01/20267.50.0 36.022.997383.6828.62
30/01/20267.80.0 35.321.989353.9029.70
Totals:194.9207.8       

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