condition	mean	min	max
4 h after light	6.563888888666667	6.075	6.963333333
8 h after light	6.194999999999999	5.81	6.39
12 h after light	5.3100000000000005	3.85	7.246666667
1.5 h after dark	4.258888889	3.053333333	6.006666667
5.5 h after dark	4.787777777666666	2.26	6.21
9.5 h after dark	6.82	5.49	7.616666667