GENEVA (May 2, 2013)--The World Meteorological Organization says 2012 was the ninth-warmest since record-keeping began in 1850, despite the cooling effect of the La Nina weather pattern.
The U.N.'s weather agency says it marks the 27th year in a row the global average temperature, which was 58 degrees 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 was 2010, when the average temperature was 58.2 degrees.
WMO Secretary-General Michel Jarraud says "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.