Calendar year 2008 was the coolest year since 2000, according to the NASA Goddard Institute for Space Studies (GISS) analysis of worldwide temperature measurements, but it was still in the top ten warmest years since the start of record-keeping in 1880. Given the range of uncertainty in the measurements, the GISS team concluded that 2008 was somewhere between the seventh and the tenth warmest year on record. (The 10 warmest years have all occurred within the 12-year period from 1997-2008.)
For more detail go to the Earth Observatory here.
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