condition	mean	min	max
4 h after light	1.71997	1.70286	1.73708
8 h after light	2.29124	2.22554	2.35694
12 h after light	3.11049	2.4851	3.73588
4 h after dark	3.335605	3.25016	3.42105
8 h after dark	3.272995	3.12943	3.41656
12 h after dark	2.90486	2.82704	2.98268