condition	mean	min	max
0 h after light	8.626445	8.38766	8.86523
4 h after light	7.624285	6.21556	9.03301
8 h after light	7.1222449999999995	6.72427	7.52022
4 h after dark	10.810839999999999	9.38398	12.2377
8 h after dark	11.7872	11.6418	11.9326
12 h after dark	11.13375	10.624	11.6435