condition	mean	min	max
0 h after light	7.83675	7.56855	8.10495
4 h after light	4.040045	3.19108	4.88901
8 h after light	5.63347	5.42228	5.84466
4 h after dark	7.705805	7.17696	8.23465
8 h after dark	5.545795	4.66566	6.42593
12 h after dark	6.832990000000001	6.62887	7.03711