GENEVA — The World Meteorological Organization said last year was the ninth-warmest since record-keeping began in 1850, despite the cooling effect of the weather pattern called La Nina.
The U.N.’s weather agency said this marks the 27th year in a row the global average temperature – 58 degrees Fahrenheit in 2012 – surpassed the 1961-1990 average.
WMO said in annual climate report Thursday the years from 2001 to 2012 were all among the top 13 warmest on record – the hottest being 2010, when the average temperature was 58.2 degrees F.
WMO Secretary-General Michel Jarraud said “sustained warming of the lower atmosphere is a worrisome sign” of global warming despite La Nina, which is the flip side of El Nino and generally cools the oceans globally.
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