condition	mean	min	max
4 h after light	5.571070000000001	4.61761	6.52453
8 h after light	3.814	3.72509	3.90291
12 h after light	4.017925	3.67715	4.3587
4 h after dark	4.708166666666667	4.12635	5.31687
8 h after dark	6.76267	6.3863	7.08781
12 h after dark	5.942046666666667	5.4961	6.36634