October 2012 (top) and year-to-date (bottom) temperatures compared to the 1981–2010 average across the contiguous United States. Shades of red indicate temperatures up to 5° Fahrenheit warmer than average, and shades of blue indicate temperatures up to 5° Fahrenheit cooler than average—the darker the color, the larger the difference from average temperature.

Image Credit: 
NOAA Climate.gov
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