condition	mean	min	max
4 h after light	9.331953333333333	6.23846	11.4136
8 h after light	8.35857	2.69709	12.7824
12 h after light	11.722053333333333	6.93976	16.3759
4 h after dark	12.8523	9.1987	17.2804
8 h after dark	10.523316666666666	9.92043	11.7061
12 h after dark	9.28744	8.44682	10.4276