condition	mean	min	max
4 h after light	9.23507	9.162410000000001	9.36835
8 h after light	9.10788	9.06677	9.13805
12 h after light	9.602323333333333	9.57822	9.6398
4 h after dark	9.966226666666666	9.89735	10.046619999999999
8 h after dark	9.996956666666666	9.949580000000001	10.07655
12 h after dark	10.011006666666667	9.971960000000001	10.056339999999999