condition	mean	min	max
4 h after light	9.49544	8.76258	10.2283
8 h after light	10.438400000000001	10.3709	10.5059
12 h after light	7.3284	6.96927	7.68753
4 h after dark	5.8161249999999995	5.5414	6.09085
8 h after dark	4.607265	4.41807	4.79646
12 h after dark	7.258290000000001	6.26482	8.25176