World warm in August

Worldwide temperatures averaged 1.12 degrees Fahrenheit above 20th Century averages, good enough for No. 4 on the all-time warm list in records dating to 1880.

According to the National Climate Data Center August report, released this week, last month was ever-so slightly warmer than August 2011, but not quite as toasty as it was in 2010.

For the June through August period, the Northern Hemisphere's meteorological summer, global temperatures were the third-warmest.

Also of note is the report's finding that Arctic sea ice extent was 38.5 percent below normal, the lowest it has been in observations dating to 1979.

Conversely, Anarctic sea ice extent was above normal, and was the fourth-largest on record.

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