condition	mean	min	max
4 h after light	1.9	1.9	1.9
8 h after light	2.75	2.6	2.9
12 h after light	2.9000000000000004	2.7	3.1
4 h after dark	12.6	4.3	20.9
8 h after dark	4.65	2.4	6.9
12 h after dark	4.05	3.6	4.5