condition	mean	min	max
4 h after light	8.448822	8.14757	8.750074
8 h after light	8.2006995	7.746042	8.655357
12 h after light	8.157568	7.821985	8.493151
4 h after dark	8.175347	8.175347	8.175347
8 h after dark	8.3904545	8.175347	8.605562
12 h after dark	8.270996	8.270996	8.270996