condition	mean	min	max
4 h after light	5.484776666666667	5.440980000000001	5.57036
8 h after light	5.380236666666667	5.2926	5.54131
12 h after light	5.37134	5.18927	5.46561
4 h after dark	5.41053	5.34016	5.50906
8 h after dark	5.368846666666666	5.25701	5.47357
12 h after dark	5.40981	5.247269999999999	5.66884