Globally, 2012 was one of the warmest years on record, according to separate reports from NOAA and NASA. NOAA's 2012 State of the Climate report, released Tuesday, concluded that last year was the 10th warmest since record keeping began in 1880.
Gordon McGlone's insight:
The trend for continued global warming is clear. The weather that we experience may vary hugely from year to year. Beneath the muscles of weather the bones of climate change set the structure.