Decision Point State Marine Park Rainfall Forecast

Today 25 May
75%
Tue 26 May
100%
Wed 27 May
100%
Thu 28 May
75%
Fri 29 May
20%
Sat 30 May
55%
Sun 31 May
50%

Decision Point State Marine Park Rainfall Statistics

May Rainfall

Portage, Portage Glacier (12.4 miles)

Total Rainfall 2026
63.5in
Daily Average 2026
0.5in
Wettest Day 15 January, 2026
4.9in
Wet Days 2026
75/145 (52%)
Total Rainfall April
9.4in
Daily Average April
0.3in
Wettest Day 24 April, 2026
2.7in
Wet Days April
18/30 (60%)
Total Rainfall May
22.5in
Daily Average May
1in
Wettest Day 1 May, 2026
3.6in
Wet Days May
23/25 (92%)

Climate (2010–Present)

Portage, Portage Glacier (12.4 miles)

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Annual Average 2021–2025
122.3in
Monthly Average 2021–2026
10.8in
Daily Average 2021–2026
0.4in
Wettest Day 30 October, 2021
10.3in

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