Deerfield Lake Rainfall Forecast

Today 27 Sep
15%
Mon 28 Sep
65%
Tue 29 Sep
50%
Wed 30 Sep
5%
Thu 1 Oct
5%
Fri 2 Oct
No Rain
Sat 3 Oct
15%

Deerfield Lake Rainfall Statistics

September Rainfall

Custer, Custer County Airport (21.1 miles)

Total Rainfall 2026
16.9in
Daily Average 2026
0.1in
Wettest Day 20 September, 2026
2.1in
Wet Days 2026
78/270 (29%)
Total Rainfall August
2.9in
Daily Average August
0.1in
Wettest Day 15 August, 2026
1.3in
Wet Days August
10/31 (32%)
Total Rainfall September
3in
Daily Average September
0.1in
Wettest Day 20 September, 2026
2.1in
Wet Days September
9/27 (33%)

Climate (2021–2025)

Custer, Custer County Airport (21.1 miles)

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Annual Average 2021–2025
18.1in
Monthly Average 2021–2026
1.5in
Daily Average 2021–2026
0.1in
Wettest Day 20 September, 2026
2.1in

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