condition	mean	min	max
2 h after light	7.42132	3.80037	10.7547
6 h after light	8.41738	2.33793	11.7717
10 h after light	8.904955000000001	6.18393	12.3236
14 h after light	8.800093333333333	6.05557	14.3423
18 h after light	13.225518333333333	9.71154	18.3858
2 h after dark	9.265436666666666	2.36443	13.185