From Think Progress:
According to NOAA’s latest “State of the Climate” report, the average temperature for the lower-48 states was 55.3°, which is 3.2°F above the 20th century average, and 1.0°F above the previous record-year of 1998.Last year was marked by an historic drought, above-average wildfires, multiple freak storms that wiped out power to millions, and multiple severe heat waves. According to the U.S. Climate Extremes Index, 2012 was the second most extreme year on record — coming in below 1998, the previous hottest year on record.Precipitation was also down significantly in 2012. Average rainfall for the lower-48 states was 2.57 inches below average, contributing to the severe drought that gripped the nation and helping make the wildfire season the third most destructive on record.