condition	mean	min	max
4 h after light	5.8	5.8	5.8
8 h after light	5.35	2.3	8.4
12 h after light	8.5	7.9	9.1
4 h after dark	4.25	3.1	5.4
8 h after dark	5.05	1.6	8.5
12 h after dark	9.1	8.0	10.2