European average temperatures over land areas relative to the pre-industrial period

Notes:
HadCRUT4: Climatic Research Unit and Met Office Hadley Center (Jones et al. 2012)
NCEI: NOAA National Climatic Data Center (Karl et al, 2015)
GISS: NASA Goddard Institute for Space Studies (Hansen et al. 2010)

Light green area: interval between HadCRUT4 2.5% confidence limit and HadCRUT4 97.5% confidence limit

Bottom chart:
NCEI (Dark green line): NOAA National Climatic Data Center (Smith et al. 2008)
GISS: NASA Goddard Institute for Space Studies (Hansen et al. 2010)