condition	mean	min	max
4 h after light	2.3	2.3	2.3
8 h after light	3.8	2.5	5.1
12 h after light	4.25	3.7	4.8
4 h after dark	3.65	3.3	4.0
8 h after dark	4.75	2.7	6.8
12 h after dark	4.4	4.2	4.6