On Dec 19, 9:02*pm, John Hall wrote:

The very low temperatures in the west Midlands, day as well as night,
are going to have a big impact on the CET I imagine. (Though they
probably don't use Pershore, as I suspect that it must be in a frost
hollow. But Shobdon, Shawbury and Hereford were also very chilly.)

I thought Pershore was specifically one of the three CET stations?
(The others being Stoneyhurst and Rothamsted.)