Last month was the second-warmest February in 137 years of modern record-keeping, according to NASA scientists.
The two top February temperature anomalies have occurred during the past two years. Last month was 1.1 degrees Celsius warmer than the mean February temperature from 1951-1980, researchers said.
February 2016 was the hottest on record, at 1.3 degrees Celsius warmer than the February mean temperature. February 2017's temperature was 0.20 degrees Celsius cooler than February 2016.
The monthly analysis by the NASA's Goddard Institute for Space Studies (GISS) team is assembled from publicly available data acquired by about 6,300 meteorological stations around the world, ship- and buoy-based instruments measuring sea surface temperature, and Antarctic research stations.
The modern global temperature record begins around 1880 because previous observations did not cover enough of the planet.
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