condition	mean	min	max
4 h after light	2.8	2.8	2.8
8 h after light	6.4	4.5	8.3
12 h after light	1.7000000000000002	1.6	1.8
4 h after dark	3.9000000000000004	3.6	4.2
8 h after dark	2.75	2.1	3.4
12 h after dark	1.85	1.2	2.5