condition	mean	min	max
4 h after light	10.115767	8.719773	11.511761
8 h after light	9.078881500000001	8.981602	9.176161
12 h after light	7.823016	6.863457	8.782575
4 h after dark	9.0818115	8.782575	9.381048
8 h after dark	8.2872755	7.791976	8.782575
12 h after dark	7.697306	7.697306	7.697306