Figure

Trends in warm days and cool nights across Europe

Figure Created 19 Nov 2012 Published 29 Nov 2012 Last modified 05 Feb 2018

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Topics: Climate change adaptation

Warm days are defined as being above the 90th percentile of the daily maximum temperature and cool nights as below the 10th percentile of the daily minimum temperature (Alexander et al., 2006). Grid boxes outlined in solid black contain at least three stations and so are likely to be more representative of the grid-box. High confidence in the long-term trend is shown by a black dot. (In the maps above, this is the case for all grid boxes.) Area averaged annual time series of percentage changes and trend lines are shown below each map for one area in northern Europe (green line, 5.6 ° to 16.9 °E and 56.2 ° to 66.2 °N) and one in south-western Europe (purple line, 350.6 ° to 1.9 °E and 36.2 ° to 43.7 °N).

https://www.eea.europa.eu/data-and-maps/figures/trends-in-warm-days-left/cc-vulnerability_map_2-3_cciva008-09.eps/image_large

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Metadata

Methodology:: TREND: Calculated trend, in % (number of days in year per decade relative to 1961-1990)
SIG : Significance of calculated trend
Units:: days/decade
Rights:: EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (https://www.eea.europa.eu/legal/copyright). Copyright holder: Met Office United Kingdom, Royal Netherlands Meteorological Institute (KNMI).
Owners:: Met Office United Kingdom; Royal Netherlands Meteorological Institute (KNMI)
Processors:: European Environment Agency (EEA)
Figure type:: Map

Additional information

Positive values indicate cooling trend (increase in frequency) and negative values indicate a warming trend (decrease in frequency).

Geographical coverage note: Europe

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Geographic coverage

Austria Belgium Bulgaria Cyprus Czechia Denmark Estonia Finland France Germany Greece Hungary Iceland Ireland Italy Latvia Liechtenstein Lithuania Luxembourg Malta Netherlands Norway Poland Portugal Romania Slovakia Slovenia Spain Sweden Switzerland Turkey United Kingdom