Rainfall frequency maps from Technical Paper 40

Caution: Precipitation frequency information (Atlas 14) has been updated by the National Oceanic and Atmospheric Administration (NOAA). We recommend using Atlas 14.

To see a comparison of Atlas 14 and TP-40, link here.

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