condition	mean	min	max
4 h after light	8.779885	8.08214	9.47763
8 h after light	5.37088	4.76229	5.97947
12 h after light	4.744120000000001	4.58077	4.90747
4 h after dark	5.76393	5.24255	6.28531
8 h after dark	4.79618	4.57682	5.01554
12 h after dark	7.3420000000000005	6.89723	7.78677