condition	mean	min	max
4 h after light	6.619505	6.61502	6.62399
8 h after light	6.570085000000001	6.35477	6.7854
12 h after light	5.37078	5.33692	5.40464
4 h after dark	10.4666	10.3831	10.5501
8 h after dark	11.60515	11.1131	12.0972
12 h after dark	11.50945	11.1847	11.8342