Evapotranspiration Calculations

Perth Metro - September 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)
01/09/20262.52.6 19.28.399411.8115.39
02/09/20262.20.0 19.28.599511.6513.42
03/09/20262.21.6 19.213.199592.0812.96
04/09/20263.03.0 19.514.492493.7015.78
05/09/20262.40.2 19.813.799542.1413.22
06/09/20262.410.0 18.112.299583.4513.19
07/09/20263.40.0 22.910.885482.5019.00
08/09/20263.70.0 21.712.874373.0617.24
09/09/20263.60.0 21.910.669442.8319.27
10/09/20263.60.0 23.511.178392.2019.84
11/09/20264.30.0 27.412.390352.8719.35
12/09/20263.31.4 21.215.697452.7418.61
13/09/20262.60.2 21.011.194441.5913.94
14/09/20263.20.0 23.19.599401.8518.01
15/09/20263.90.2 25.513.873462.9017.57
Totals:46.319.2       

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