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Climate: August 2012 global temps 4th-warmest on record

Land-surface temps tied for second; only Siberia cooler than average

A NASA graphic depicts Aug. 2012 temperature anomalies as compared to 1951-1908 average.

By Summit Voice

FRISCO — Global August temperatures were the fourth-warmest on record, at 1.12 degrees above the 20th century average, the National Climatic Data Center reported in its monthly update. Land-surface temperatures alone tied with 2001 and 2011 as the second-warmest on record, behind 1998, which still holds the all-time record.

The year-to-date is tied with 2006 as the ninth-warmest ever, with temps running about 1.01 degrees above the 20th century average.

Reflecting the long string of above-average global temperatures, Arctic sea ice extent hit a new all-time record low late in August, dipping below 4 million square kilometers for the first time ever. For the month, Arctic sea ice melted at twice the average rate. Continue reading

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