condition	mean	min	max
0 h after light	9.01036	9.00233	9.01839
4 h after light	9.746030000000001	9.54257	9.94949
8 h after light	11.33085	11.133	11.5287
4 h after dark	7.64578	6.91628	8.37528
8 h after dark	9.078669999999999	8.07564	10.0817
12 h after dark	8.422635	8.19271	8.65256