condition	mean	min	max
4 h after light	1.6	1.6	1.6
8 h after light	9.25	6.1	12.4
12 h after light	8.35	3.7	13.0
4 h after dark	20.25	7.1	33.4
8 h after dark	9.899999999999999	6.6	13.2
12 h after dark	4.949999999999999	4.3	5.6