Big Rock Park Rainfall Forecast
- 5%
- 40%
- 70%
- 15%
- 10%
- 5%
- 20%
Big Rock Park Rainfall Statistics
January Rainfall
Custer, Custer County Airport (1.9 miles)
Total Rainfall January
0.05inDaily Average January
0inWettest Day 8 January, 2026
0.02inWet Days January
3/21 (14%)
Climate (2010–Present)
Custer, Custer County Airport (1.9 miles)
Annual Average 2021–2025
18.1inMonthly Average 2021–2025
1.5inDaily Average 2021–2026
0.1inWettest Day 12 October, 2023
2in