NOAA’s State of the Climate report shows the December 2009 average temperature for the contiguous United States was 30.2 degrees F, which is 3.2 degrees F below average. Last month’s average...

Integrated Surface Data

A database from the National Climatic Data Center of global hourly and climate observations compiled from numerous sources, into a single common ASCII format and common data model. Includes information such as wind speed and direction for 10,000 stations, with some dating as far back as 1901.