condition	mean	min	max
0 h after light	7.147460000000001	6.78062	7.5143
4 h after light	5.409885	4.7954	6.02437
8 h after light	6.4399750000000004	5.18464	7.69531
4 h after dark	7.314385	7.1392	7.48957
8 h after dark	7.168934999999999	6.97537	7.3625
12 h after dark	6.56704	6.41446	6.71962