Information: This page provides the following information on rainfall frequency distributions for Minnesota:
- Rainfall frequency curves for the 1, 2, 5, 10, 25, 50, and 100 year 24-hour rainfall events for Minnesota. The source of the data is Technical Paper 40 (National Oceanic and Atmospheric Administration)
- Rainfall frequency and volume percentiles as a function of precipitation depth for ten locations in Minnesota. Rainfall frequency specifies the storm recurrence interval - for example a 1 year 24 hour frequency is a 24-hour rain event that occurs once a year.
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