condition	mean	min	max
4 h after light	6.21641	6.06992	6.3629
8 h after light	9.020915	8.12682	9.91501
12 h after light	12.73325	11.565	13.9015
4 h after dark	13.165849999999999	11.7679	14.5638
8 h after dark	9.664695	9.37905	9.95034
12 h after dark	10.138145	9.70739	10.5689