Columbia River - Saint Helens Rainfall Forecast

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Columbia River - Saint Helens Rainfall Statistics

March Rainfall

Scappoose Industrial Airpark (6.8 miles)

  • Total Rainfall March

    1.8in

  • Daily Average March

    0.2in

  • Wettest Day 11 March, 2026

    1.2in

  • Wet Days March

    5/13 (38%)

Climate (2010–Present)

Scappoose Industrial Airpark (6.8 miles)

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  • Annual Average 2021–2025

    36.1in

  • Monthly Average 2021–2026

    2.9in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 4 November, 2022

    3.1in
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