Gilfillin Lake Rainfall Forecast

Today 19 Sep
70%
Sun 20 Sep
5%
Mon 21 Sep
10%
Tue 22 Sep
5%
Wed 23 Sep
No Rain
Thu 24 Sep
10%
Fri 25 Sep
5%

Gilfillin Lake Rainfall Statistics

September Rainfall

Mankato, Mankato Regional Airport (3.1 miles)

Total Rainfall 2026
12.3in
Daily Average 2026
0.05in
Wettest Day 23 June, 2026
1in
Wet Days 2026
63/262 (24%)
Total Rainfall August
1.9in
Daily Average August
0.1in
Wettest Day 7 August, 2026
0.6in
Wet Days August
10/31 (32%)
Total Rainfall September
1.1in
Daily Average September
0.1in
Wettest Day 2 September, 2026
0.4in
Wet Days September
5/19 (26%)

Climate (2021–2025)

Mankato, Mankato Regional Airport (3.1 miles)

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Annual Average 2021–2025
16.3in
Monthly Average 2021–2026
1.3in
Daily Average 2021–2026
0.04in
Wettest Day 17 August, 2025
2.8in

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