condition	mean	min	max
0 h after light	7.09519	5.83024	8.36014
4 h after light	6.394805	5.12521	7.6644
8 h after light	5.344165	4.63713	6.0512
4 h after dark	11.25215	9.9925	12.5118
8 h after dark	12.60165	11.4674	13.7359
12 h after dark	9.01506	7.42072	10.6094