Statistics collected at RHS Wisley over the last nine months show that in July and the first half of August 2022 there were just 3mm of rain in 46 days. The drought broke on 16 August then came 33.5mm of rain on 25 August. This followed a dry April to July with only 41 per cent of usual rainfall. Total rainfall in September was 93.6mm of which 59mm fell in four days from 5 to 8 September and 44.6mm fell on 23 October (the average for a whole month in summer). The highest temperature was 38.6 °C on 19 July, a new record for Wisley. The lowest temperature was –8.1 °C on 15 and 16 December: the winter was the coldest recorded since 2010.