condition	mean	min	max
4 h after light	8.048979	8.048979	8.048979
8 h after light	8.406104	8.206142	8.606066
12 h after light	7.465920499999999	6.882862	8.048979
4 h after dark	8.136166	7.587212	8.68512
8 h after dark	7.9810455000000005	7.871937	8.090154
12 h after dark	7.514383	7.514383	7.514383