condition	mean	min	max
4 h after light	6.46504	6.4022	6.5142
8 h after light	7.411876666666667	7.18835	7.83035
12 h after light	6.6832	6.22175	7.07454
4 h after dark	6.428933333333333	6.2807900000000005	6.68174
8 h after dark	6.20215	6.00732	6.54142
12 h after dark	5.377409999999999	5.1061	5.55376