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

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The monthly anomaly of the global average surface temperature in August 2015 (i.e. the average of the near-surface air temperature over land and the SST) was +0.46°C above the 1981-2010 average (+0.80°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 0.66°C per century.

Five Warmest Years (Anomalies)

1st. 2015 (+0.46°C), 2nd. 2014 (+0.33°C), 3rd. 1998 (+0.28°C), 4th. 2013, 2012, 2009 (+0.23°C)


  • Distribution of Surface Temperature Anomalies