2015 Will Be Warmest Year Since Records Were First Kept 135 Years Ago

The average global surface temperature is running 1.7 degrees Fahrenheit warmer than the 135-year average, according to NOAA.

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Dec. 29, 2015, 4:05 PM UTC / Updated Dec. 29, 2015, 4:05 PM UTC

By John W. Schoen, CNBC

Image: A man jogs during a warm day in Central Park, New York — A man jogs during a warm day in Central Park, New York December 25, 2015. Much of the U.S. East Coast saw record high temperatures on Christmas Day.EDUARDO MUNOZ / Reuters

John W. Schoen, CNBC

John W. Schoen is an award-winning online journalist, who has reported and written about economics, business and financial news for more than 30 years. He is economics reporter for CNBC.com, and was a founder of msnbc.com, CNBC and public radio's Marketplace.