condition	mean	min	max
4 h after light	5.3	5.3	5.3
8 h after light	9.5	9.4	9.6
12 h after light	3.95	3.5	4.4
4 h after dark	6.15	3.8	8.5
8 h after dark	3.75	2.0	5.5
12 h after dark	2.9000000000000004	2.2	3.6