condition	mean	min	max
2 h after light	6.60988	5.64264	8.13482
6 h after light	6.5751800000000005	5.16956	9.28456
10 h after light	6.8902833333333335	4.89337	8.12641
14 h after light	7.3158650000000005	4.93273	9.77829
18 h after light	8.24606	5.13026	9.84405
2 h after dark	12.984403333333333	8.99122	15.6485