Data source: http://www.metoffice.gov.uk/research/climate/climate-monitoring/land-and-atmosphere/surface-station-records/index HadCRUT3 subset July 2011 release
Data source: http://www.metoffice.gov.uk/research/climate/climate-monitoring/land-and-atmosphere/surface-station-records/index HadCRUT3 subset July 2011 release