@lyse Ah, oh, this page has historical data:

https://kachelmannwetter.com/de/messwerte/baden-wuerttemberg/temperatur/20260217-1400z.html

I would have been too lazy to take photos when my fingers were freezing off. 😅

@movq Thanks. Unfortunately, the weather stations are quite far away.

I have to operate my own one. :-D