condition	mean	min	max
4 h after light	6.87088	6.801442	6.940318
8 h after light	7.8151865	7.643068	7.987305
12 h after light	7.3994795	7.200805	7.598154
4 h after dark	6.9193315	6.695058	7.143605
8 h after dark	7.2252845	7.155995	7.294574
12 h after dark	6.664221	6.664221	6.664221