condition	mean	min	max
4 h after light	7.11169	4.26557	8.60471
8 h after light	3.2161766666666667	1.31304	5.01328
12 h after light	5.04802	2.412	8.25667
4 h after dark	8.34095	3.90887	11.4454
8 h after dark	7.556926666666667	5.91088	10.0075
12 h after dark	8.15836	6.92138	10.1119