Evapotranspiration Calculations

Rottnest Island - 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)
01/09/20253.60.0 19.711.977454.3818.39
02/09/20252.90.8 18.913.693604.5517.88
03/09/20253.30.0 18.012.383596.9218.65
04/09/20253.60.0 18.813.075545.4618.82
05/09/20252.61.2 16.914.9936210.257.83
06/09/20253.217.4 16.110.6945314.0911.35
07/09/20253.14.2 16.511.191559.7213.71
08/09/20253.27.6 14.38.289507.9619.25
09/09/20253.40.2 15.39.778506.3119.18
10/09/20253.80.0 18.011.275495.3819.84
11/09/20254.20.0 20.911.181394.7220.01
12/09/20255.20.0 22.414.877438.7119.37
13/09/20253.12.2 21.617.495708.7815.81
14/09/20253.67.8 17.813.8925313.8911.48
15/09/20253.92.4 16.611.4854710.2916.88
16/09/20253.61.2 18.110.786475.9218.16
17/09/20253.41.0 19.311.695569.4314.62
18/09/20253.97.4 18.312.985497.5218.84
19/09/20252.82.2 17.513.395735.6620.33
20/09/20252.80.0 18.014.293796.6121.48
Totals:69.255.6       

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