condition	mean	min	max
4 h after light	1.6	1.6	1.6
8 h after light	5.4	4.4	6.4
12 h after light	9.2	6.0	12.4
4 h after dark	4.2	2.2	6.2
8 h after dark	14.55	3.6	25.5
12 h after dark	10.850000000000001	4.4	17.3