condition	mean	min	max
2 h after light	7.202206666666666	6.94957	7.38434
6 h after light	6.57557	6.45267	6.68479
10 h after light	7.04816	6.80061	7.21567
2 h after dark	6.54847	5.93064	7.48226
6 h after dark	6.53253	6.40812	6.655
10 h after dark	5.473646666666667	4.90688	5.94582