condition	mean	min	max
4 h after light	8.438105	8.12041	8.7558
8 h after light	6.4663	6.30208	6.63052
12 h after light	12.770700000000001	11.4503	14.0911
4 h after dark	14.9022	13.936	15.8684
8 h after dark	15.5485	15.4084	15.6886
12 h after dark	12.3957	12.2408	12.5506