Global temperatures for September 2018 were 0.61C based on merging GHCNV3 with HadSST3 and using spherical triangulation. This is a fall of 0.08C since August. The baseline for temperature anomalies is always 1961-1990.

The annual average so far (9 months) for 2018 is 0.65C , making it on track to be the 4th warmest year.

The spatial distribution shows a cold eastern Canada and a cooler Antarctica.

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