Multnomah Channel - Chapman Landing Rainfall Forecast

Today 27 May
5%
Thu 28 May
20%
Fri 29 May
5%
Sat 30 May
No Rain
Sun 31 May
No Rain
Mon 1 Jun
No Rain
Tue 2 Jun
No Rain

Multnomah Channel - Chapman Landing Rainfall Statistics

May Rainfall

Scappoose Industrial Airpark (1.9 miles)

Total Rainfall 2026
13.1in
Daily Average 2026
0.1in
Wettest Day 11 March, 2026
1.4in
Wet Days 2026
53/147 (36%)
Total Rainfall April
2.3in
Daily Average April
0.1in
Wettest Day 10 April, 2026
0.6in
Wet Days April
10/30 (33%)
Total Rainfall May
0.4in
Daily Average May
0.02in
Wettest Day 25 May, 2026
0.2in
Wet Days May
4/27 (15%)

Climate (2010–Present)

Scappoose Industrial Airpark (1.9 miles)

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Annual Average 2021–2025
36.1in
Monthly Average 2021–2026
3in
Daily Average 2021–2026
0.1in
Wettest Day 4 November, 2022
3.1in

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