Brighton has a temperate climate: its Köppen climate classification is Cfb. It is characterised by cool summers, and cool winter with frequent cloudy and rainy periods. Average rainfall levels increase as the land rises: the 1958–1990 mean was 740 millimetres (29 in) on the seafront and about 1,000 millimetres (39 in) at the top of the South Downs above Brighton. Storms caused serious damage in 1703, 1806, 1824, 1836, 1848, 1850, 1896, 1910 and 1987. Heavy snow is rare, but particularly severe falls were recorded in 1881 and 1967.
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