Don Shifting seasons? Not really it's more common than people think
March 1970 Very Cold
April 1971 Heavy Snow late on
April 1973 NE snow at times
March 1974 Snow first few days
March 1975 Snowy Easter
April 1978 Snow in places around 10th
April 1979 Snow in the first week
March 1980 some snow mid month
April 1981 second half snowy and cold
April 1983 snowy Easter
March 1984 Cold and cloudy occasional wintry spells
March & April 1986 Cold and Snowy at times
March 1987 Cold heavy snow in places
April 1989 Heavy snow in the South
March 1995 Heavy snow in the Midlands
March 1996 Easterly month snow in places
April 2000 Snow in places Luton airport closed due to snow
March 2001 Cold Easterly Month , snow in places
March 2006 prolonged Easterlies mid month cold, snow around
April 2008 Snow in the SE first week
March 2013 Very Cold snow around
April 2016 Heavy snowfall in the North late month
March 2018 Cold with snow
April 2021 Cold and dry