Evapotranspiration Calculations

Sydney (Observatory Hill) - October 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)
01/10/20263.10.0 30.114.679180.0021.89
02/10/20262.70.0 25.316.793450.0016.45
03/10/20262.56.4 22.717.895670.0014.69
04/10/20263.422.0 25.613.495330.0023.37
05/10/20262.20.0 23.715.389660.0012.64
06/10/20263.50.4 28.116.889340.0022.12
07/10/20263.20.6 19.415.388450.0021.78
08/10/20263.20.0 21.712.779440.0022.22
09/10/20263.50.0 22.211.788570.0024.33
10/10/20262.92.2 30.414.993300.0017.02
11/10/20263.90.8 25.716.293520.0024.47
12/10/20263.70.0 34.817.195190.0022.13
13/10/20261.55.4 19.918.695740.006.73
14/10/2026 83.4  13.294460.0017.17
15/10/2026   17.6 95590.0012.63
16/10/20263.313.8 21.413.087430.0022.68
17/10/20263.60.0 22.215.179410.0024.00
18/10/20263.70.0 22.513.388530.0024.48
19/10/20263.90.0 23.013.991580.0025.55
20/10/20264.10.0 23.614.892540.0026.00
21/10/20264.10.0 24.916.194650.0024.88
22/10/20263.40.0 23.718.494640.0019.55
23/10/20263.810.4 23.917.395660.0022.65
24/10/20264.30.2 25.517.592580.0025.46
25/10/20264.20.0 32.119.490410.0022.92
26/10/20263.41.2 22.217.285460.0021.09
Totals:81.1146.8       

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