condition	mean	min	max
4 h after light	4.8	4.8	4.8
8 h after light	4.6	2.3	6.9
12 h after light	4.75	3.4	6.1
4 h after dark	5.35	4.9	5.8
8 h after dark	3.35	2.3	4.4
12 h after dark	4.6	4.2	5.0