Cotter Reservoir Rainfall Forecast

Today 18 Oct
15%< 1mm
Sun 19 Oct
10%< 1mm
Mon 20 Oct
15%< 1mm
Tue 21 Oct
25%< 1mm
Wed 22 Oct
80%5–10mm
Thu 23 Oct
25%< 1mm
Fri 24 Oct
25%< 1mm

Cotter Reservoir Rainfall Statistics View More

October Rainfall

Tuggeranong (Isabella Plains) (19km)

Total Rainfall 2025
395.6mm
Daily Average 2025
1.4mm
Wettest Day 23 May, 2025
26.2mm
Wet Days 2025
70/291 (24%)
Total Rainfall September
37.6mm
Daily Average September
1.3mm
Wettest Day 11 September, 2025
23mm
Wet Days September
4/30 (13%)
Total Rainfall October
4mm
Daily Average October
0.2mm
Wettest Day 9 October, 2025
3.4mm
Wet Days October
2/18 (11%)

Climate (2010–Present)

Tuggeranong (Isabella Plains) (19km)

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Annual Average 2020–2024
865.6mm
Monthly Average 2020–2025
68.9mm
Daily Average 2020–2025
2.2mm
Wettest Day 27 February, 2022
81.6mm

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