Chesapeake Bay - Chesapeake Bay Basin Rainfall Forecast

  • 5%
  • 80%
  • 80%
  • 40%
  • No Rain
  • 10%
  • 25%
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Chesapeake Bay - Chesapeake Bay Basin Rainfall Statistics

September Rainfall

Patuxent River, Naval Air Station (1.2 miles)

  • Total Rainfall September

    1in

  • Daily Average September

    0.1in

  • Wettest Day 7 September, 2025

    0.6in

  • Wet Days September

    6/15 (40%)

Climate (2010–Present)

Patuxent River, Naval Air Station (1.2 miles)

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  • Annual Average 2020–2024

    43.3in

  • Monthly Average 2020–2025

    3.5in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 11 November, 2020

    3.7in
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