condition	mean	min	max
4 h after light	3.9748900000000003	3.30036	4.64942
8 h after light	4.626435000000001	4.2689	4.98397
12 h after light	7.066155	6.80667	7.32564
4 h after dark	8.363869999999999	8.22139	8.50635
8 h after dark	6.498200000000001	6.23798	6.75842
12 h after dark	6.4482099999999996	6.31792	6.5785