Observed changes in warm spells indices 1976-2010 (in days per decade)
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How to read the map:
Warm spell duration index is defined as a period (number of days) of six consecutive days with the mean daily temperature exceeding 90th percentile of the baseline temperature (average daily temperature the 1961-1990 period).
Stations with negative trends are blue and stations with positive trends are in red colour. When stations are in green colour trends are not statistically significant at 25% level.
The circle size depicts the magnitude of change per decade.
Geographical coverage note: Europe
For references, please go to www.eea.europa.eu/soer or scan the QR code.
This briefing is part of the EEA's report The European Environment - State and Outlook 2015. The EEA is an official agency of the EU, tasked with providing information on Europe’s environment.
PDF generated on 21 Dec 2014, 09:24 PM