condition	mean	min	max
0 h after light	9.522120000000001	8.77214	10.2721
4 h after light	7.004	6.97316	7.03484
8 h after light	12.4897	11.4848	13.4946
4 h after dark	14.911100000000001	13.4491	16.3731
8 h after dark	13.49375	12.6044	14.3831
12 h after dark	8.81035	8.40841	9.21229