factsheet_14-microclimates_2023.pdf
evenings, often under blocking anticyclones. Temperature °C Temperature °C Watford 11.5 11.0 10.5 10.0 9.5 Northwood Hillingdon Hounslow 11.5 11.0 10.5 10.0 9.5 Wisley Hertfordshire Ealing Walton-on-Thames Harrow Temperature °C Surrey Brent 11.5 11.0 10.5 10.0 9.5 Kew Esher Epsom Barnet Fulham Haringay