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January 7, 2016

Every U.S. state warmer than 20th-century average in 2015

January 7, 2016

The 2015 annual average U.S. temperature was 54.4°F, 2.4°F above the 20th century average, the second warmest year on record.

Every U.S. state warmer than 20th-century average in 2015 Read More >

January 7, 2016

Every U.S. state warmer than 20th-century average in 2015

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