condition	mean	min	max
4 h after light	9.413093	8.959184	9.867002
8 h after light	8.840944499999999	8.495889	9.186
12 h after light	8.676205	8.275055	9.077355
4 h after dark	8.8178925	8.785901	8.849884
8 h after dark	8.882268	8.605562	9.158974
12 h after dark	9.169562	9.169562	9.169562