condition	mean	min	max
4 h after light	5.6	5.6	5.6
8 h after light	8.5	6.9	10.1
12 h after light	7.05	5.0	9.1
4 h after dark	7.75	5.5	10.0
8 h after dark	6.35	3.5	9.2
12 h after dark	5.5	4.9	6.1