-40F/-40C (including wind chill)...during a mountain survival course with the military. Slept on the snow & in snow caves we made. I'd camped for years in the winter, but that was the absolute coldest I've ever felt. Frost bite on the tender bits while taking a piss was a genuine concern.
__________________ "We sleep soundly in our beds because rough men stand ready in the night to visit violence on those who would do us harm."
- Winston Churchill Sometimes there's justice...and sometimes there's just us My MCB feedback