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


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The monthly anomaly of the global average surface temperature in September 2015 (i.e. the average of the near-surface air temperature over land and the SST) was +0.51°C above the 1981-2010 average (+0.83°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 0.63°C per century.


Five Warmest Years (Anomalies)

1st. 2015 (+0.51°C), 2nd. 2014 (+0.35°C), 3rd. 2013 (+0.26°C), 4th. 2012 (+0.25°C), 5th. 2009, 2005 (+0.22°C)

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  • Distribution of Surface Temperature Anomalies




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