Chatham SPB Rainfall Forecast

Today 14 Sep
40%
Mon 15 Sep
100%
Tue 16 Sep
100%
Wed 17 Sep
100%
Thu 18 Sep
100%
Fri 19 Sep
100%
Sat 20 Sep
80%

Chatham SPB Rainfall Statistics

September Rainfall

Angoon (13 miles)

Total Rainfall 2025
22.1in
Daily Average 2025
0.1in
Wettest Day 10 September, 2025
1in
Wet Days 2025
130/257 (51%)
Total Rainfall August
0.6in
Daily Average August
0.04in
Wettest Day 1 August, 2025
0.3in
Wet Days August
4/31 (13%)
Total Rainfall September
1.3in
Daily Average September
0.1in
Wettest Day 10 September, 2025
1in
Wet Days September
5/14 (36%)

Climate (2010–Present)

Angoon (13 miles)

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Annual Average 2020–2024
39.2in
Monthly Average 2020–2025
3.2in
Daily Average 2020–2025
0.1in
Wettest Day 26 September, 2022
2.2in

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