condition	mean	min	max
0 h after light	13.223749999999999	12.0034	14.4441
4 h after light	6.39802	5.35182	7.44422
8 h after light	8.26682	7.60224	8.9314
4 h after dark	9.033045000000001	8.22141	9.84468
8 h after dark	8.4415	8.40608	8.47692
12 h after dark	9.317195	8.47149	10.1629