Chapin Rainfall Forecast

Today 21 Sep
95%
Tue 22 Sep
75%
Wed 23 Sep
No Rain
Thu 24 Sep
35%
Fri 25 Sep
20%
Sat 26 Sep
45%
Sun 27 Sep
35%

Chapin Rainfall Statistics

September Rainfall

Mason City Municipal Airport (22.4 miles)

Total Rainfall 2026
24.6in
Daily Average 2026
0.1in
Wettest Day 8 July, 2026
2.3in
Wet Days 2026
76/264 (29%)
Total Rainfall August
2.6in
Daily Average August
0.1in
Wettest Day 7 August, 2026
0.5in
Wet Days August
10/31 (32%)
Total Rainfall September
2.8in
Daily Average September
0.1in
Wettest Day 18 September, 2026
0.8in
Wet Days September
11/21 (52%)

Climate (2021–2025)

Mason City Municipal Airport (22.4 miles)

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Annual Average 2021–2025
30.2in
Monthly Average 2021–2026
2.5in
Daily Average 2021–2026
0.1in
Wettest Day 12 April, 2022
2.6in

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