condition	mean	min	max
0 h after light	17.0865	16.8971	17.2759
4 h after light	10.153265000000001	9.47403	10.8325
8 h after light	9.193200000000001	8.0706	10.3158
4 h after dark	12.72705	11.8469	13.6072
8 h after dark	14.9073	13.7061	16.1085
12 h after dark	14.704699999999999	13.3817	16.0277