Calmar Rainfall Forecast

Today 19 Sep
100%
Sun 20 Sep
30%
Mon 21 Sep
55%
Tue 22 Sep
35%
Wed 23 Sep
No Rain
Thu 24 Sep
15%
Fri 25 Sep
10%

Calmar Rainfall Statistics

September Rainfall

Decorah (9.3 miles)

Total Rainfall 2026
16.4in
Daily Average 2026
0.1in
Wettest Day 3 April, 2026
1.6in
Wet Days 2026
71/262 (27%)
Total Rainfall August
1.9in
Daily Average August
0.1in
Wettest Day 11 August, 2026
0.9in
Wet Days August
8/31 (26%)
Total Rainfall September
0.9in
Daily Average September
0.1in
Wettest Day 8 September, 2026
0.4in
Wet Days September
5/19 (26%)

Climate (2021–2025)

Decorah (9.3 miles)

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Annual Average 2021–2025
23.2in
Monthly Average 2021–2026
2in
Daily Average 2021–2026
0.1in
Wettest Day 21 May, 2024
3.7in

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