-20 F ?
don't know what all the fuss is.
that's every winter in Frostbite Falls Minnesota, or Fargo ND .
I'm surprised Dastardly Dick hasn't mentioned that yet.
-40 or -50 F, now that's something.
Engine oil turns to pudding.
Battery posts snap off when you try to pull the cables to brimg them in the house to warm up enough to start the car.
frostbite affects exposed skin in as little as 5 minutes.
the Lakotah and Dakota Souix, have a name for each month, by the Lunar Calendar -
the frigid time at the end of December into January :
The Moon of The Popping Trees.
it gets SO COLD on the northern prairies that the sap freezes and the trees literally explode.
stay warm, stay safe.
if you run a propane or kero heater inside, watch out for carbon monoxide.
yhs
prof marbles