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Observed trends Heating degree days (graphs)

Annual heating degree days from 1961 to 2006 filtered by region

The individual regional time-series have been smoothed to show decadal variations (see ).

       T_Fig2.35.jpg

Change in heating degree days from 1961 to 2006 filtered by region, based on a linear trend

Bold type indicates the significance of the trend at the 95% level.

     
Region Heating Degree Days 
South West England –16.9 
South East England –18.3
London –18.1
Wales –16.0
East of England –17.9
West Midlands –17.9
East Midlands  –17.9
Northern Ireland –14.1
Yorkshire & Humber –16.5
North West England –15.4
North East England –15.8
West Scotland –13.4
East Scotland –13.0
North Scotland –11.5