condition	mean	min	max
4 h after light	2.55847	1.94957	3.16737
8 h after light	4.957825	4.79696	5.11869
12 h after light	8.147245	7.91442	8.38007
4 h after dark	8.946455	8.66393	9.22898
8 h after dark	5.50599	5.26357	5.74841
12 h after dark	5.0054	4.80714	5.20366