Evapotranspiration Calculations

Perth Airport Comparison - April 2026 daily calculations

Date Evapotrans-
piration (mm) 0000- 2400		 Rain (mm) 0900- 0900 Pan Evaporation (mm) 0900- 0900 Max Temp Min Temp Max Rel Hum (%) Min Rel Hum (%) Average 10m Wind Speed (m/sec) Solar Radiation (MJ/sq m)
01/04/2026   24.7 97383.5218.44
02/04/20266.30.0 28.314.881296.5919.36
03/04/20265.50.0 29.118.684436.1418.75
04/04/20264.00.0 28.717.792463.1716.32
05/04/20263.50.0 25.914.799483.1616.31
06/04/20262.20.0 19.915.387653.947.80
07/04/20263.60.0 24.814.683513.8214.69
08/04/20263.70.0 23.58.493423.7418.32
09/04/20263.50.0 24.512.390433.0815.79
10/04/20266.00.0 25.614.464347.3017.25
11/04/20265.50.0 28.914.464314.5518.00
12/04/20264.90.0 32.313.079323.1217.84
13/04/20264.00.0 28.413.090402.9217.77
14/04/20265.50.0 30.917.472385.0316.50
15/04/20262.20.2 23.716.695622.858.76
16/04/20264.10.4 28.916.190413.1717.16
17/04/20262.70.0 24.116.595563.699.83
18/04/20263.17.2 22.412.997433.2715.18
19/04/20262.90.2 23.19.994432.6214.96
20/04/20263.70.0 23.89.295475.2315.62
21/04/20263.34.6 19.914.293445.3214.18
22/04/20263.60.0 24.08.293303.2716.23
23/04/20263.32.2 21.211.993445.5511.87
24/04/20262.30.2 21.510.995562.7310.80
25/04/20262.70.2 22.96.497462.5515.38
26/04/20263.00.0 26.17.297322.1314.26
Totals:95.115.2       

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