According to the National Oceanic and Atmospheric Administration’s 2012 State of the Climate National Overview report, the contiguous U.S. experienced the hottest year and second most extreme on record. In the report, the organization indicates a 3.2 degree increase over the 20th Century average and a 1 degree increase over 1998, the former hottest year record holder.
The report also includes a top ten list of the most extreme weather events the contiguous U.S. experienced in 2012. Hurricane/superstorm Sandy claimed the No.1 ranking, with the drought, warm weather and a record amount of wildfire activity snagging other spots.
To see the full report, visit NOAA.gov.