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]
The annual anomaly of the global average surface temperature in 2016 (i.e. the average of the near-surface air temperature over land and the SST) was +0.45°C above the 1981-2010 average (+0.81°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 0.72°C per century.
1st. 2016(+0.45°C), 2nd. 2015(+0.42°C), 3rd. 2014(+0.27°C), 4th. 1998(+0.22°C), 5th. 2013,2010(+0.20°C)