Potomac River - Rowley Bay Entrance Rainfall Forecast

  • No Rain
  • 5%
  • 30%
  • No Rain
  • 35%
  • 30%
  • 20%
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  • Rainfall Probability Forecast NOAA

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Potomac River - Rowley Bay Entrance Rainfall Statistics

December Rainfall

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.7 miles)

  • Total Rainfall December

    2.2in

  • Daily Average December

    0.1in

  • Wettest Day 19 December, 2025

    1.1in

  • Wet Days December

    4/21 (19%)

Climate (2010–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.7 miles)

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  • Annual Average 2020–2024

    38.5in

  • Monthly Average 2020–2025

    3in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 9 June, 2021

    3.6in
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