Shannon Creek Dam Rainfall Forecast

Today 12 May
75%1–5mm
Wed 13 May
85%1–5mm
Thu 14 May
85%1–5mm
Fri 15 May
65%1–5mm
Sat 16 May
70%1–5mm
Sun 17 May
80%5–10mm
Mon 18 May
85%10–25mm

Shannon Creek Dam Rainfall Statistics View More

May Rainfall

Grafton Airport (23km)

Total Rainfall 2026
226.8mm
Daily Average 2026
1.7mm
Wettest Day 13 February, 2026
39.2mm
Wet Days 2026
46/132 (35%)
Total Rainfall April
32mm
Daily Average April
1.1mm
Wettest Day 27 April, 2026
11.6mm
Wet Days April
9/30 (30%)
Total Rainfall May
25.4mm
Daily Average May
2.3mm
Wettest Day 2 May, 2026
16.6mm
Wet Days May
6/12 (50%)

Climate (2010–Present)

Grafton Airport (23km)

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Annual Average 2021–2025
1358.2mm
Monthly Average 2021–2026
102.5mm
Daily Average 2021–2026
3.4mm
Wettest Day 8 March, 2025
163.4mm

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