condition	mean	min	max
4 h after light	6.933949999999999	5.57303	8.29487
8 h after light	6.310435	5.93918	6.68169
12 h after light	8.335899999999999	7.96946	8.70234
4 h after dark	10.21235	9.48185	11.0998
8 h after dark	10.237576666666666	9.60733	10.612
12 h after dark	6.92371	6.68511	7.1418