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Actually, upon reflection, I'm not sure that the altitude diffference amounts to much. If my GPS is to be believed, I'm at 806ft above sea level so there'd be only 200ft or so difference. Also, I'd been thinking that the rule of thumb was a day difference in progress (budding in spring, turning colors in fall) for every 100ft altitude. I was "misremembering" it's "a day difference for every thousand feet in altitude and/ or hundred miles (north/ south)" so that hardly accounts for the difference.
I know the north facing and south facing slope difference can be pretty extreme and we're in a river valley, or rather the slope above a river valley, with southern exposure, but I don't know what else may factor in here.
On another note. Jack, do you see more red foxes or gray foxes where you are?
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