Potomac River - St Marys River Entrance Rainfall Forecast

  • 70%
  • 90%
  • 10%
  • 55%
  • 35%
  • 10%
  • 20%
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Potomac River - St Marys River Entrance Rainfall Statistics

April Rainfall

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (1.9 miles)

  • Total Rainfall April

    0.1in

  • Daily Average April

    0.01in

  • Wettest Day 5 April, 2026

    0.1in

  • Wet Days April

    3/29 (10%)

Climate (2010–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (1.9 miles)

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  • Annual Average 2021–2025

    35.4in

  • Monthly Average 2021–2026

    2.8in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 9 June, 2021

    3.6in
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