condition	mean	min	max
4 h after light	3.2	3.2	3.2
8 h after light	8.6	3.4	13.8
12 h after light	2.05	1.9	2.2
4 h after dark	9.75	2.2	17.3
8 h after dark	5.15	2.7	7.6
12 h after dark	2.65	2.4	2.9