condition	mean	min	max
2 h after light	12.185395	9.80017	13.7165
6 h after light	8.136915	4.82496	11.2282
10 h after light	8.302848333333333	5.1963	12.0787
14 h after light	8.848523333333333	6.25668	12.7862
18 h after light	9.536845	7.6777	11.3225
2 h after dark	10.606345	6.67457	15.6155