condition	mean	min	max
4 h after light	8.40343	8.387326	8.419534
8 h after light	8.387326	8.387326	8.387326
12 h after light	9.25459	9.12944	9.37974
4 h after dark	7.845851	7.47796	8.213742
8 h after dark	7.888432	7.283258	8.493606
12 h after dark	8.387326	8.387326	8.387326