Columbia River - Chinook Landing Rainfall Forecast

  • 20%
  • 50%
  • No Rain
  • 70%
  • 90%
  • 90%
  • 90%
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Columbia River - Chinook Landing Rainfall Statistics

December Rainfall

Portland, Portland-Troutdale Airport (1.2 miles)

  • Total Rainfall December

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  • Daily Average December

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  • Wettest Day 2 December, 2025

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  • Wet Days December

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Climate (2010–Present)

Portland, Portland-Troutdale Airport (1.2 miles)

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  • Annual Average 2020–2024

    38.9in

  • Monthly Average 2020–2025

    3.2in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 10 June, 2022

    2.1in
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