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Minnesota Stormwater Manual

Technical Paper 40 rainfall frequency maps

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

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This page was last edited on 31 January 2023, at 00:04.