Western Regional Climate Center
http://www.wrcc.dri.edu/index.html

Western Regional Climate Center, Division of Atmospheric Sciences/Desert Research Institute


This website provides internet access to climate data and information for the Western Region of the United States. Information has been made accessible in the areas of historical climate, WRCC projects, current observation, forecasts, monitoring, education, and travel. The web-accessible information presented on this site has been derived from data received from the National Climatic Data Center, the National Weather Service, the National Resource Conservation Service, the Bureau of Land Management, the U.S. Forest Service and other federal, state and local agencies.

This resource is referenced here:
Subject: Geoscience:Atmospheric Science:Climatology
Resource Type: Scientific Resources:Collection
Science Background Required: Broadly accessible
Topics: Climate