National Waterfowl Production Areas Rainfall Forecast

Today 20 May
30%
Thu 21 May
35%
Fri 22 May
70%
Sat 23 May
25%
Sun 24 May
No Rain
Mon 25 May
5%
Tue 26 May
5%

National Waterfowl Production Areas Rainfall Statistics

May Rainfall

Garrison (16.2 miles)

Total Rainfall 2026
3.3in
Daily Average 2026
0.02in
Wettest Day 3 April, 2026
0.5in
Wet Days 2026
37/140 (26%)
Total Rainfall April
1.3in
Daily Average April
0.04in
Wettest Day 3 April, 2026
0.5in
Wet Days April
10/30 (33%)
Total Rainfall May
0.5in
Daily Average May
0.03in
Wettest Day 17 May, 2026
0.4in
Wet Days May
3/20 (15%)

Climate (2010–Present)

Garrison (16.2 miles)

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Annual Average 2021–2025
16.2in
Monthly Average 2021–2026
1.4in
Daily Average 2021–2026
0.05in
Wettest Day 13 October, 2021
2in

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