Evapotranspiration Calculations

Cape Otway Lighthouse - 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)
01/09/20251.63.4 13.39.393775.6112.00
02/09/20252.81.0 16.89.392526.6813.96
03/09/20251.93.4 12.810.491698.8310.23
04/09/20252.423.8 11.97.791569.4212.96
05/09/20252.70.4 13.57.576494.5515.64
06/09/20253.50.0 21.56.990434.9915.33
07/09/20253.91.2 20.511.586438.639.65
08/09/20252.64.8 15.712.693619.4512.66
09/09/20252.74.0 12.910.791518.0515.17
10/09/20251.73.8 12.27.794693.7211.27
11/09/20252.31.2 13.69.085637.7010.95
12/09/20251.90.2 14.09.594708.2810.76
13/09/20252.00.8 15.911.891755.5711.69
14/09/20254.10.2 21.17.992406.6117.99
15/09/20255.60.0 24.315.589298.7815.81
16/09/20252.70.6 15.212.589598.7111.02
17/09/20252.917.0 13.17.3895210.0514.98
18/09/20253.80.2 19.47.377425.0017.83
19/09/20253.90.2 17.012.388388.6515.00
20/09/20252.64.6 12.77.6945711.0814.35
Totals:57.670.8       

Monthly Archive

Year 
2009JanFebMarAprMayJunJulAugSepOctNovDec
2010JanFebMarAprMayJunJulAugSepOctNovDec
2011JanFebMarAprMayJunJulAugSepOctNovDec
2012JanFebMarAprMayJunJulAugSepOctNovDec
2013JanFebMarAprMayJunJulAugSepOctNovDec
2014JanFebMarAprMayJunJulAugSepOctNovDec
2015JanFebMarAprMayJunJulAugSepOctNovDec
2016JanFebMarAprMayJunJulAugSepOctNovDec
2017JanFebMarAprMayJunJulAugSepOctNovDec
2018JanFebMarAprMayJunJulAugSepOctNovDec
2019JanFebMarAprMayJunJulAugSepOctNovDec
2020JanFebMarAprMayJunJulAugSepOctNovDec
2021JanFebMarAprMayJunJulAugSepOctNovDec
2022JanFebMarAprMayJunJulAugSepOctNovDec
2023JanFebMarAprMayJunJulAugSepOctNovDec
2024JanFebMarAprMayJunJulAugSepOctNovDec
2025JanFebMarAprMayJunJulAugSep