Dry is a bigger thing to get past, then cold and hot. Wood certainly gets itself to an extreme. Versus wet, which I would prefer in most cases. Living where there is substantial wood movement I can understand some of what you see. My most common extreme is too wet though. About the only time I hear the wood cracking is mid Winter with the furnace roaring a lot. I can't fathom a place where they don't get any movement, though I hear there are some. But how boring is that, never hearing your wood talk to you. :-)