Potomac River - Coan River Entrance Rainfall Forecast

Today 8 Aug
5%
Sat 9 Aug
5%
Sun 10 Aug
No Rain
Mon 11 Aug
5%
Tue 12 Aug
10%
Wed 13 Aug
30%
Thu 14 Aug
25%

Potomac River - Coan River Entrance Rainfall Statistics

August Rainfall

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (10.6 miles)

Total Rainfall 2025
27.8in
Daily Average 2025
0.1in
Wettest Day 5 March, 2025
2.3in
Wet Days 2025
75/220 (34%)
Total Rainfall July
5.7in
Daily Average July
0.2in
Wettest Day 14 July, 2025
1.7in
Wet Days July
14/31 (45%)
Total Rainfall August
0.03in
Daily Average August
0.01in
Wettest Day 6 August, 2025
0.03in
Wet Days August
1/8 (13%)

Climate (2010–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (10.6 miles)

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Annual Average 2020–2024
38.5in
Monthly Average 2020–2025
3.3in
Daily Average 2020–2025
0.1in
Wettest Day 9 June, 2021
3.6in

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