condition	mean	min	max
4 h after light	1.2	1.2	1.2
8 h after light	29.85	6.1	53.6
12 h after light	4.1	3.9	4.3
4 h after dark	9.3	5.5	13.1
8 h after dark	15.65	13.8	17.5
12 h after dark	5.25	3.9	6.6