One of those things I'd have to research. I live in hickville NY I don't have elevation...lol It would be interesting to see if there is anything out there in relation to hatching at higher elevations.
Hicksville NY lol! I found a good study that I was going to send you yesterday, but got busy at work and didn't get to. You may have even seen it, I think it was done by a university or something in Florida. I'll find the link tomorrow. It was posted here on byc, but it was from a few years ago.