Potomac River - Hollis Marsh Rainfall Forecast

Today 7 Dec
5%
Mon 8 Dec
45%
Tue 9 Dec
5%
Wed 10 Dec
5%
Thu 11 Dec
15%
Fri 12 Dec
35%
Sat 13 Dec
25%

Potomac River - Hollis Marsh Rainfall Statistics

December Rainfall

St Marys County Airport (14.9 miles)

Total Rainfall 2025
66.8in
Daily Average 2025
0.2in
Wettest Day 28 May, 2025
7.1in
Wet Days 2025
100/341 (29%)
Total Rainfall November
0.2in
Daily Average November
0.01in
Wettest Day 27 November, 2025
0.05in
Wet Days November
8/30 (27%)
Total Rainfall December
0.1in
Daily Average December
0.03in
Wettest Day 3 December, 2025
0.1in
Wet Days December
4/7 (57%)

Climate (2010–Present)

St Marys County Airport (14.9 miles)

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Annual Average 2020–2024
28.3in
Monthly Average 2020–2025
3.5in
Daily Average 2020–2025
0.1in
Wettest Day 23 March, 2024
12.2in

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