Saint Johns River - Great Marsh Island Rainfall Forecast

Today 26 Sep
95%
Wed 27 Sep
95%
Thu 28 Sep
80%
Fri 29 Sep
75%
Sat 30 Sep
60%
Sun 1 Oct
55%
Mon 2 Oct
40%

Saint Johns River - Great Marsh Island Rainfall Statistics

September Rainfall

Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)

Total Rainfall 2023
33.3in
Daily Average 2023
0.1in
Wettest Day 28 July, 2023
1.7in
Wet Days 2023
85/269 (32%)
Total Rainfall August
2.6in
Daily Average August
0.1in
Wettest Day 17 August, 2023
0.8in
Wet Days August
9/31 (29%)
Total Rainfall September
3in
Daily Average September
0.1in
Wettest Day 12 September, 2023
1in
Wet Days September
6/26 (23%)

Climate (2010–Present)

Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)

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Annual Average 2010–Present
44.3in
Monthly Average 2010–Present
3.9in
Daily Average 2010–Present
0.1in
Wettest Day 12 October, 2022
3.3in

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