condition	mean	min	max
4 h after light	6.77364	6.50044	6.9583
8 h after light	6.78946	6.27877	7.2927
12 h after light	6.82607	6.75073	6.975639999999999
4 h after dark	7.515703333333334	7.41418	7.66366
8 h after dark	7.616083333333334	7.413130000000001	7.999210000000001
12 h after dark	7.918746666666666	7.7938	8.14016