Originally Posted by
RobertSubnet
Well here in Arizona we don't normally have this problem...but I believe it has to do with moisture (IE: rain, snow) causing the wood to expand, coming into contact with the barrel and moving it out of zero. I think that is the issue anyway. I have the opposite problem of trying to keep the wood from drying out!

Is this something that can be avoided and is it only relevent when extremely humid? I'm in the Northwest so it doesn't often get very humid here.