condition	mean	min	max
4 h after light	7.964796666666666	7.787139999999999	8.17756
8 h after light	8.04852	7.724880000000001	8.37105
12 h after light	7.75192	7.5166	8.07697
4 h after dark	8.047946666666666	7.6294699999999995	8.304910000000001
8 h after dark	7.953096666666667	7.63276	8.26936
12 h after dark	7.9631066666666666	7.811839999999999	8.08992