Columbia River - Coal Creek Slough Entrance Rainfall Forecast

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Columbia River - Coal Creek Slough Entrance Rainfall Statistics

August Rainfall

Southwest Washington Regional Airport (11.8 miles)

  • Total Rainfall August

    0.2in

  • Daily Average August

    0.03in

  • Wettest Day 6 August, 2025

    0.2in

  • Wet Days August

    2/10 (20%)

Climate (2010–Present)

Southwest Washington Regional Airport (11.8 miles)

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  • Annual Average 2020–2024

    39.1in

  • Monthly Average 2020–2025

    3.2in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 4 November, 2022

    4.2in
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