condition	mean	min	max
4 h after light	6.067595	5.32705	6.80814
8 h after light	5.909905	5.78793	6.03188
12 h after light	6.380755	6.03586	6.72565
4 h after dark	6.787789999999999	6.75998	6.8156
8 h after dark	5.99087	5.91685	6.06489
12 h after dark	6.97728	6.24373	7.71083