NOVEMBER 2012
With depressed temperatures and heavy rainfall, November was a disappointing end to autumn. The mean temperature was 0.9C below the long-term average with air frosts on nine days, the minimum being -3.4C on the 31st; this preceded the coldest day when the thermometer struggled to each 3.8C.
Rainfall was a major feature of the month totalling 128.4mm, which is 144% of the long-term average of 89.5mm. This is not a record as the greatest rainfall for November was set in 2002 with 203.5mm. There were five days when rainfall exceeded double figures, the heaviest being 22.9mm and 25.4mm on the 20th and 24th respectively.
AUTUMN 2012
The mean temperature was 9.4C being 0.9C below the long-term average. It was the fourth coldest since my records began in 1984 but well above the record low of 7.95C in 1993.
It was the wettest autumn since 2006 with a total of 309mm, 130% of the long-term average and the sixth wettest since 1984. The record was set in 2006 with 401mm.
SUMMER & AUTUMN 2012
The total rainfall for this six-month period of June to November was a record of 637.2mm, some 153% (221mm) of the long-term average. This supersedes the previous record of 558.6mm set in 1993 and contrasts with the lowest of 243.1mm set in 1990.
The weather station of Marlborough, Wiltshire
