condition	mean	min	max
4 h after light	10.9	10.9	10.9
8 h after light	3.95	2.6	5.3
12 h after light	10.2	9.2	11.2
4 h after dark	6.4	5.3	7.5
8 h after dark	5.85	4.6	7.1
12 h after dark	5.25	5.1	5.4