condition	mean	min	max
4 h after light	9.4	9.4	9.4
8 h after light	7.25	5.6	8.9
12 h after light	6.1	4.5	7.7
4 h after dark	3.35	3.1	3.6
8 h after dark	6.05	4.6	7.5
12 h after dark	4.5	4.1	4.9