condition	mean	min	max
4 h after light	4.2	4.2	4.2
8 h after light	1.85	1.8	1.9
12 h after light	3.2	1.9	4.5
4 h after dark	3.2	2.8	3.6
8 h after dark	2.1500000000000004	2.1	2.2
12 h after dark	4.05	2.1	6.0