condition	mean	min	max
0 h after light	7.162485	6.52548	7.79949
4 h after light	6.483235	6.37515	6.59132
8 h after light	5.9366699999999994	5.7661	6.10724
4 h after dark	6.5771	5.74664	7.40756
8 h after dark	6.52857	6.16211	6.89503
12 h after dark	5.047140000000001	4.10273	5.99155