condition	mean	min	max
4 h after light	8.4	8.4	8.4
8 h after light	4.55	3.4	5.7
12 h after light	7.65	4.7	10.6
4 h after dark	5.9	5.4	6.4
8 h after dark	46.95	23.9	70.0
12 h after dark	10.35	9.1	11.6