condition	mean	min	max
4 h after light	4.1	4.1	4.1
8 h after light	11.85	2.9	20.8
12 h after light	2.9000000000000004	0.4	5.4
4 h after dark	2.55	1.3	3.8
8 h after dark	3.55	2.8	4.3
12 h after dark	2.65	2.3	3.0