This page provides:

  • 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


map showing 1-year 24-hour rainfall distribution across Minnesota map showing 2-year 24-hour rainfall distribution across Minnesota map showing 5-year 24-hour rainfall distribution across Minnesota map showing 10-year 24-hour rainfall distribution across Minnesota map showing 25-year 24-hour rainfall distribution across Minnesota map showing 50-year 24-hour rainfall distribution across Minnesota map showing 100-year 24-hour rainfall distribution across Minnesota map showing rainfall frequency and volume percentiles as a function of precipitation depth for Cloquet map showing rainfall frequency and volume percentiles as a function of precipitation depth for Fargo map showing rainfall frequency and volume percentiles as a function of precipitation depth for Grand Forks map showing rainfall frequency and volume percentiles as a function of precipitation depth for Grand Marais map showing rainfall frequency and volume percentiles as a function of precipitation depth for Itasca map showing rainfall frequency and volume percentiles as a function of precipitation depth for Lamberton map showing rainfall frequency and volume percentiles as a function of precipitation depth for Minneapolis and St. Paul map showing rainfall frequency and volume percentiles as a function of precipitation depth for Rochester map showing rainfall frequency and volume percentiles as a function of precipitation depth for St. Cloud map showing rainfall frequency and volume percentiles as a function of precipitation depth for Thief River Falls