Evapotranspiration Calculations

Perth Metro - January 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)
01/01/20268.10.0 37.317.173102.6629.58
02/01/20268.70.0 37.222.266163.0331.43
03/01/20267.60.0 32.722.383313.1631.68
04/01/20267.30.0 32.520.287262.6831.64
05/01/20267.2  31.319.583333.0131.61
06/01/20267.10.0 29.519.576413.5931.54
07/01/20267.40.0 29.318.365363.9731.43
08/01/20265.30.0 26.316.472413.5821.05
09/01/20266.10.0 27.616.467223.4221.36
10/01/20267.80.0 30.116.256233.8231.20
11/01/20267.90.0 34.116.159193.1129.68
12/01/20267.90.4 31.820.572253.6231.03
13/01/20266.70.0 28.016.578373.5830.83
14/01/20267.80.0 32.517.668213.2931.01
15/01/20268.10.0 35.717.965243.1330.30
16/01/20267.40.0 32.421.573302.9930.69
17/01/20266.40.0 26.219.872403.9927.74
18/01/20266.20.0 26.714.778352.9830.75
19/01/20267.70.0 34.816.280182.7730.72
20/01/20268.60.0 39.219.365112.7130.54
21/01/20269.20.0 40.720.465103.0630.43
22/01/20268.10.0 32.922.371183.5330.23
23/01/20265.70.0 25.218.876433.6725.44
24/01/20266.40.0 27.016.370393.3630.06
25/01/20264.70.0 26.516.485492.5922.05
26/01/20264.61.2 23.617.285473.7020.38
27/01/20266.00.2 25.313.673343.8127.30
28/01/20267.10.0 30.316.064313.5529.62
29/01/20267.60.0 34.118.464263.1429.56
30/01/20267.10.0 34.718.776262.4329.00
Totals:213.81.8       

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