Piowa's post in the WRUW thread inspired the question. He was cycling in -5.8C weather & one member misread it as -58C.
Brought back memories of -40C weather in Prince George, BC for two 2 week stints about 30 years ago. 'Warnings' about how fast [in seconds] skin would freeze.
It was otherwise a pretty steady -10c for most of the winter there.
I bought my first G-shock, a black DW-6900, in Prince George in 1985/86.
As a refresher, Piowa's post: