Derby Day Thunderstorm 31 May 1911
Temperature 27.8 °C at Greenwich, Royal Observatory and South Kensington (both London) Lowest Minimum Temperature 6.1 °C at Wick (Caithness) and Nairn (Nairnshire) Most Rainfall 91.2 mm at Banstead, The Hall (Surrey) Most Sunshine 13.8 hours at Jersey, St Aubin (Channel Islands) National Meteorological