This site compares weather factors both monthly and annually for cities in the U.S. and territories. Data includes high/low temperatures, wind, rainfall, snowfall, sunshine, and heating and cooling degree days.
This site links to several comprehensive meteorologic sites, specializing in up to date data and images. Included on the sites are current weather images (USA and European), Hurricane/Tropical storms, and Storm Warning Doppler radars.Online Document Library, U.S. National Climatic Data Center
The U.S. National Climatic Data Center's online document library offers full-text of recent issues of Monthly Climatic Data, Storm Data, Local Climatological Data, and Hourly Precipitation Data. Publications are available as PDF (portable document format) files; Full-text files of many of the publications are also available. Some files are only available by password or through an .edu domain. Please check with the Information Desk, Lovejoy Library.United States Climate Page: Historical Data by State
Historical climate summaries and averages representing 30 years or more are supplied for various cities within individual U.S. states.Weather Information (University of Iowa Center for Global & Regional Environmental Research)
Links to weather sites.