Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service   NWS logo - Click to go to the NWS homepage
Hydrometeorological Design Studies Center - Precipitation Frequency Data Server header logo


Current Precipitation Frequency Information and Documents for ALABAMA

Viewing the documents requires the Adobe Acrobat Reader (click here to download).

<=1 hour
  • Technical Memorandum NWS Hydro 35, Five to 60-minutes Precipitation Frequency for Eastern and Central United States (1977). Precipitation-frequency values for the Central and Eastern United States for return periods from 2 to 100 years for durations of 5 minutes to 1 hour are provided in a series of maps and graphs. This material supersedes the similar material published in Technical Paper 40.  

1 hour - 24 hour
  • Technical Paper 40, Rainfall Frequency Atlas of the United States for Durations from 30 minutes to 24 Hours and Return Periods from 1 to 100 Years (1961). Rainfall-frequency values for selected durations from 30 minutes to 24 hours and return periods of 1 to 100 years are given on a series of maps.


  • Technical Paper 49, Two-to-Ten-Day Precipitation for Return Periods of 2 to 100 Years in the Contiguous United States (1964)
Main Link Categories:
Home | OHD

US Department of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Office of Hydrologic Development
1325 East West Highway
Silver Spring, MD 20910

Page Author: OHD webmaster
Page last modified: April 24, 2009
Privacy Policy
About Us
Career Opportunities