Evapotranspiration Calculations

Sydney (Observatory Hill) - May 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)
01/05/20261.50.2 24.715.694550.0011.61
02/05/20261.60.2 24.917.393600.0011.51
03/05/20261.60.2 25.918.182500.0012.75
04/05/20260.90.0 21.818.287670.004.67
05/05/20261.41.6 23.714.283350.0013.77
06/05/20261.40.0 24.612.588500.0012.20
07/05/20261.10.0 18.712.288220.0012.36
08/05/20261.10.0 21.39.964350.0013.41
09/05/20261.30.0 22.612.484420.0013.29
10/05/20261.30.0 23.711.585480.0013.15
11/05/20261.32.2 23.613.694550.0011.94
12/05/20261.12.0 21.814.895560.008.70
13/05/20261.14.0 20.515.992570.009.10
14/05/20261.21.4 22.214.195630.0010.93
15/05/20261.212.6 22.114.297680.009.65
16/05/20261.30.2 23.314.897660.0011.35
17/05/20261.01.2 20.316.496760.006.96
Totals:21.425.8       

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