Tropical Cyclone Rainfall

This set of pages remains in flux, with new information added from time to time. Data is available for impactful tropical and subtropical cyclones that impacted the U.S. from 1900 onward to the present, and Mexico between 1982 and 2003.

 

Storms Available

By Region Of Impact

By Point Of Entry

Point Maxima (sortable)

Pre-1956 U.S. T.C. Rainfall Publication

Rainfall analogs to current storms


Derived Information

Maxima Per U. S. State

Maxima Per U. S. County

(autodownloading related .csv file)

Maxima Per Mexican State

T.C. Rainfall Averages & Maxima per Duration


Background Information

Methodology for climatology

Acknowledgments

Milestones

T.C. Rainfall Forecasting

T.C. Rainfall Powerpoint Slideshow

Non-Tropical Cyclone Heavy Rain Events

For questions, comments, suggestions, e-mail David.Roth@noaa.gov
Last updated October 24, 2026