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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 Minnesotamap 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 50-year 24-hour rainfall distribution across Minnesotamap showing 25-year 24-hour rainfall distribution across Minnesota
 

 


 

 

 

 

 

 

 

 

 

map showing 100-year 24-hour rainfall distribution across Minnesota

 Atlas 14 and Technical Paper TP 40 rainfall frequency comparison

Figure showing difference in rainfall frequency maps for Atlas 14 and technical paper TP 40