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Global Average Surface Temperature Anomalies

JMA monitors the long-term change of the global average surface temperature anomalies for the purpose of monitoring the global warming. In this page, the long-term changes of annual and monthly anomalies of the global average surface temperature are shown.

[Data and Analysis Method]


Annual Anomalies of Global Average Surface Temperature (1891 - 2014, preliminary value)


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The annual anomaly of the global average surface temperature in 2014 (i.e. the average of the near-surface air temperature over land and the SST) was +0.27°C above the 1981-2010 average (+0.63°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 0.70°C per century.

Five Warmest Years (Anomalies)

1st. 2014(+0.27°C), 2nd. 1998(+0.22°C), 3rd. 2013,2010(+0.20°C), 5th. 2005(+0.17°C)

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