condition	mean	min	max
4 h after light	10.000245	9.46819	10.5323
8 h after light	13.4174	12.808	14.0268
12 h after light	15.3684	13.6388	17.098
4 h after dark	16.507066666666667	15.9274	17.1668
8 h after dark	14.248199999999999	13.4644	15.5825
12 h after dark	11.509333333333334	10.9098	12.073