3 ms·I take it you're from somewhere a bit north :)by happytoexplain 2y agoI take it you're from somewhere a bit north :)nick3443 2y ago-40C is when the snow squeaks like styrofoam and the line feeding my fridge water freezesfragmede 2y ago-40 degrees is where you don't need to specify C or F because they're the same.