Steffan Reservoir Rainfall Forecast

Today 25 Jul
No Rain
Sun 26 Jul
10%
Mon 27 Jul
15%
Tue 28 Jul
10%
Wed 29 Jul
15%
Thu 30 Jul
40%
Fri 31 Jul
30%

Steffan Reservoir Rainfall Statistics

July Rainfall

Yankton, Chan Gurney Municipal Airport (11.2 miles)

Total Rainfall 2026
5.8in
Daily Average 2026
0.03in
Wettest Day 26 April, 2026
0.7in
Wet Days 2026
31/206 (15%)
Total Rainfall June
2.3in
Daily Average June
0.1in
Wettest Day 28 June, 2026
0.5in
Wet Days June
14/30 (47%)
Total Rainfall July
0.3in
Daily Average July
0.02in
Wettest Day 3 July, 2026
0.3in
Wet Days July
2/25 (8%)

Climate (2021–2025)

Yankton, Chan Gurney Municipal Airport (11.2 miles)

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Annual Average 2021–2025
20.6in
Monthly Average 2021–2026
1.7in
Daily Average 2021–2026
0.1in
Wettest Day 16 August, 2022
3.2in

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