condition	mean	min	max
4 h after light	5.3	5.3	5.3
8 h after light	6.05	4.8	7.3
12 h after light	5.35	4.5	6.2
4 h after dark	6.45	4.1	8.8
8 h after dark	6.800000000000001	5.9	7.7
12 h after dark	4.2	3.9	4.5