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Monthly Anomalies of Global Average Surface Temperature in December (1891 - 2015)

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The monthly anomaly of the global average surface temperature in December 2015 (i.e. the average of the near-surface air temperature over land and the SST) was +0.66°C above the 1981-2010 average (+1.04°C above the 20th century average), and was the warmest since 1891. On a longer time scale, global average surface temperatures have risen at a rate of about 0.74°C per century.

Five Warmest Years (Anomalies)

1st. 2015(+0.66°C), 2nd. 2014(+0.31°C), 3rd. 2006,1997(+0.28°C), 5th. 2003(+0.25°C)


  • Distribution of Surface Temperature Anomalies