Multnomah Channel - Santosh Slough Entrance Rainfall Forecast

Today 26 Aug
No Rain
Thu 27 Aug
No Rain
Fri 28 Aug
No Rain
Sat 29 Aug
20%
Sun 30 Aug
No Rain
Mon 31 Aug
20%
Tue 1 Sep
30%

Multnomah Channel - Santosh Slough Entrance Rainfall Statistics

August Rainfall

Scappoose Industrial Airpark (3.1 miles)

Total Rainfall 2026
15.4in
Daily Average 2026
0.1in
Wettest Day 11 March, 2026
1.4in
Wet Days 2026
63/238 (26%)
Total Rainfall July
0.5in
Daily Average July
0.02in
Wettest Day 16 July, 2026
0.4in
Wet Days July
2/31 (6%)
Total Rainfall August
0.1in
Daily Average August
0in
Wettest Day 1 August, 2026
0.1in
Wet Days August
1/26 (4%)

Climate (2021–2025)

Scappoose Industrial Airpark (3.1 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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