condition	mean	min	max
4 h after light	7.84333	7.7852	7.90146
8 h after light	7.570679999999999	6.9981	8.14326
12 h after light	12.2116	11.5763	12.8469
4 h after dark	15.052533333333333	14.3805	16.0489
8 h after dark	12.025466666666667	11.6742	12.2189
12 h after dark	10.908900000000001	10.1004	11.7215