2005 Yearly Summary

Only 1990 and 1949 have rivalled the last four years for warmth. The extraordinary warmth of the last few years is reflected in the fact that, if we take the average of every 10-year period (1850-59, 1851-60, etc.), then the last decade (1996-2005) is the warmest on record and the first to average 9.5°C. As it happens, the coldest ‘decade’ on record at Durham is 1879-1888 (7.7°C); an increase of just over 1°C in a little over a century does not sound much, but is in fact a huge increase compared the ‘historical’ record. Moreover, an increase of 1.1°C has …

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