condition	mean	min	max
0 h after light	6.6198	6.23864	7.00096
4 h after light	5.895289999999999	5.03663	6.75395
8 h after light	6.695180000000001	6.16282	7.22754
4 h after dark	7.587715	7.05204	8.12339
8 h after dark	5.627935000000001	5.57387	5.682
12 h after dark	5.952344999999999	5.23844	6.66625