condition	mean	min	max
4 h after light	4.18899	3.5163	4.86168
8 h after light	5.196350000000001	5.14909	5.24361
12 h after light	7.86018	6.76554	8.95482
4 h after dark	14.9417	12.0258	17.8576
8 h after dark	7.06961	6.84181	7.29741
12 h after dark	6.662655	5.62353	7.70178