Originally Posted by 12boreman
I always up my powder charges 1 grain in everything except .410 when the temps go below freezing. Been doing this for over 30 years. Has worked well for me.

Do you label your loads with a temperature range?

I do not find much issue with cold weather, personally, but I do not often hunt below 0F. Yesterday, it was 21F and pretty nice at that while we were out after pheasants.

Maybe next year, I'll gear up for negative teens and need a heavier charge. How cold does it have to be to make a significant difference?

_________
BrentD, (Professor - just for Stan)
=>/

[Linked Image from i.imgur.com]