condition	mean	min	max
4 h after light	7.387589500000001	6.97702	7.798159
8 h after light	8.4102125	7.665065	9.15536
12 h after light	9.270553	9.15536	9.385746
4 h after dark	9.2963485	8.577491	10.015206
8 h after dark	12.101294	10.346899	13.855689
12 h after dark	8.948061	8.948061	8.948061