condition	mean	min	max
4 h after light	1.1	1.1	1.1
8 h after light	15.05	14.5	15.6
12 h after light	7.65	6.2	9.1
4 h after dark	4.9	3.7	6.1
8 h after dark	11.55	4.5	18.6
12 h after dark	11.9	0.5	23.3