condition	mean	min	max
4 h after light	8.031395	6.49672	9.56607
8 h after light	9.361435	9.31902	9.40385
12 h after light	11.135750000000002	10.3237	11.9478
4 h after dark	10.856300000000001	10.1488	11.5638
8 h after dark	10.279810000000001	9.63732	10.9223
12 h after dark	9.848005	8.92001	10.776