condition	mean	min	max
4 h after light	9.363017	9.241136	9.484898
8 h after light	9.879604	9.484898	10.27431
12 h after light	9.484898	9.484898	9.484898
4 h after dark	9.1147935	8.744689	9.484898
8 h after dark	8.630232	7.644904	9.61556
12 h after dark	10.176501	10.176501	10.176501