Observed changes in warm spells indices 1976-2009 (in days per decade)

Figure expired Created 12 Nov 2009 Published 09 Aug 2010 Last modified 29 Nov 2012
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Warm spell duration index is defined as a period of six consecutive days with the mean daily temperature exceeding 90th percentile of the baseline temperature (average daily temperature the 1961-1990 period).



Additional information

The circle size depicts the magnitude of change per decade.
Geographical coverage note: Europe

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