Featured by NOAA, a member of the U.S. Global Change Research Program
The latest State of the Climate National Overview report from the National Oceanic and Atmospheric Administration (NOAA) and NOAA's National Climatic Data Center reveals that 2012 was the United States’ warmest year on record by a wide margin. According to the report, the average temperature for the contiguous United States for 2012 was 55.3° Fahrenheit, which was 3.2° Fahrenheit above the twentieth-century average.
Every state in the contiguous United States had an above-average annual temperature for 2012. The year consisted of the fourth-warmest winter, a record-warm spring, the second-warmest summer, and a warmer-than-average autumn. View the full report here.