condition	mean	min	max
4 h after light	15.111221	13.720212	16.50223
8 h after light	19.810745	13.500004	26.121486
12 h after light	17.306813000000002	13.403377	21.210249
4 h after dark	38.4265385	36.885522	39.967555
8 h after dark	31.3352335	22.670163	40.000304
12 h after dark	16.551646	16.551646	16.551646