condition	mean	min	max
4 h after light	5.268335	3.87207	6.6646
8 h after light	6.91896	6.89166	6.94626
12 h after light	9.692945000000002	9.54493	9.84096
4 h after dark	13.70345	12.5796	14.8273
8 h after dark	13.752099999999999	13.2264	14.2778
12 h after dark	8.08736	7.85774	8.31698