Rainfall Frequency for Indiana

Probable Maximum Precipitation

Storm Design Distributions

Questions concerning the information contained here should be directed to:

Engineering Services Center
Indiana Department of Natural Resources
Division of Water
402 W. Washington Street, Rm. W264
Indianapolis, IN 46204
Telephone: (317) 232-4160
Toll free: (877) 928-3755
Fax: (317) 233-4579