Patuxent River - Swanson Creek Entrance Rainfall Forecast

Today 13 Sep
80%
Mon 14 Sep
5%
Tue 15 Sep
No Rain
Wed 16 Sep
No Rain
Thu 17 Sep
5%
Fri 18 Sep
25%
Sat 19 Sep
25%

Patuxent River - Swanson Creek Entrance Rainfall Statistics

September Rainfall

St Marys County Airport (16.8 miles)

Total Rainfall 2026
12.4in
Daily Average 2026
0.05in
Wettest Day 22 July, 2026
1.9in
Wet Days 2026
57/256 (22%)
Total Rainfall August
1.6in
Daily Average August
0.1in
Wettest Day 10 August, 2026
0.7in
Wet Days August
11/31 (35%)
Total Rainfall September
1.4in
Daily Average September
0.1in
Wettest Day 4 September, 2026
1.4in
Wet Days September
1/13 (8%)

Climate (2021–2025)

St Marys County Airport (16.8 miles)

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Annual Average 2021–2025
41in
Monthly Average 2021–2026
3.3in
Daily Average 2021–2026
0.1in
Wettest Day 23 March, 2024
12.2in

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