condition	mean	min	max
4 h after light	1.6	1.6	1.6
8 h after light	7.65	5.4	9.9
12 h after light	11.2	10.3	12.1
4 h after dark	6.5	3.9	9.1
8 h after dark	6.55	4.6	8.5
12 h after dark	6.85	5.5	8.2