condition	mean	min	max
4 h after light	1.4	1.4	1.4
8 h after light	1.85	1.7	2.0
12 h after light	2.3	1.2	3.4
4 h after dark	1.9	1.7	2.1
8 h after dark	3.9000000000000004	1.6	6.2
12 h after dark	4.2	1.9	6.5