IMO,with the weather changes you folks have, unless you have them always in a temp controlled room? I would empty them, by either drilling a couple holes in the bottom or using an oil can opener with spout...
A couple of years ago I had a few older cans start to sweat and leak because of hot and cold temps and we don't have near the changes you folks have...
I still have a couple full cans, that "snap, crackle and popped" the other day because of the 80 degree heat in my uninsulated garage....
I am going to try Dave's suggestion of how he cleans out his cans....
(Plus if a can does get dropped, an empty can will be okay... a full can will .......)
