Hobbes

Hi, reading through the above brought back memories of riding my old BSA back from a party in the early hours of the 14th of December 1981 from Matlock to Derby, I nearly froze to death and I remember on the news the next night there being reports of the coldest temperatures but I wasn't sure if the temperature in Derbyshire had gone as low as the -20's or if that was just Scotland, where can I find out what the temperature was that night in Matlock Derbyshire.