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First global temperature data published: 1998 still hottest year - by a whisker.

Paul Hudson | 20:32 UK time, Monday, 3 January 2011

The first eagerly awaited data on 2010 global temperatures shows that although it was a very close run thing, 2010 has failed to beat 1998 which still holds the title of hottest year on record.

The UAH global temperature satellite data, recorded and compiled by the University of Alabama in the USA, started in the late 1970's. It is worth stressing though that statistically speaking, within the stated margin of error, there is no difference between 2010 and 1998.

Nonetheless the headline figure of 1998 (+0.424C) is higher than 2010 (0.411C). Please note that these UAH temperature anomalies are now relative to the 1981-2010 average.

You can read more on this by clicking here.

Other data sets, namely NOAA, (NASA) GISS, and the Met Office's HADCRUT will be published later this month.

Of interest may be an article I wrote on the 12 last December called 'Global temperature predictions for a new decade' which you can read by clicking here.

Global temperatures are finally responding to cooler ocean temperatures, in particular La Nina in the tropical pacific, with cooling also seen in the Northern Hemisphere

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