Mary Island - Custom House Cove Rainfall Forecast

Today 12 Sep
No Rain
Sun 13 Sep
No Rain
Mon 14 Sep
15%
Tue 15 Sep
No Rain
Wed 16 Sep
25%
Thu 17 Sep
10%
Fri 18 Sep
40%

Mary Island - Custom House Cove Rainfall Statistics

September Rainfall

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

Total Rainfall 2026
27.5in
Daily Average 2026
0.1in
Wettest Day 9 January, 2026
2.4in
Wet Days 2026
98/255 (38%)
Total Rainfall August
3.5in
Daily Average August
0.1in
Wettest Day 23 August, 2026
1.7in
Wet Days August
10/31 (32%)
Total Rainfall September
0.6in
Daily Average September
0.1in
Wettest Day 1 September, 2026
0.3in
Wet Days September
6/12 (50%)

Climate (2021–2025)

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

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Annual Average 2021–2025
53.4in
Monthly Average 2021–2026
4.8in
Daily Average 2021–2026
0.2in
Wettest Day 23 September, 2021
3.5in

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