Carquinez Strait - Mare Island Strait Entrance Rainfall Forecast

  • 15%
  • 5%
  • No Rain
  • 5%
  • No Rain
  • 5%
  • 10%
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Carquinez Strait - Mare Island Strait Entrance Rainfall Statistics

September Rainfall

Napa, Napa County Airport (9.3 miles)

  • Total Rainfall September

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  • Daily Average September

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  • Wettest Day 3 September, 2025

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  • Wet Days September

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Climate (2010–Present)

Napa, Napa County Airport (9.3 miles)

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  • Annual Average 2020–2024

    17.9in

  • Monthly Average 2020–2025

    1.6in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 24 October, 2021

    4.8in
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