George W Joseph State Park Rainfall Forecast

  • 90%
  • 100%
  • 95%
  • 55%
  • 60%
  • 55%
  • 45%
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George W Joseph State Park Rainfall Statistics

December Rainfall

Portland, Portland-Troutdale Airport (8.7 miles)

  • Total Rainfall December

    9.3in

  • Daily Average December

    0.5in

  • Wettest Day 18 December, 2025

    2.3in

  • Wet Days December

    12/20 (60%)

Climate (2010–Present)

Portland, Portland-Troutdale Airport (8.7 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 18 December, 2025

    2.3in
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