condition	mean	min	max
4 h after light	3.5	3.5	3.5
8 h after light	3.0	2.5	3.5
12 h after light	3.15	2.9	3.4
4 h after dark	3.9000000000000004	2.9	4.9
8 h after dark	3.85	1.8	5.9
12 h after dark	4.1	1.5	6.7