condition	mean	min	max
4 h after light	6.14893	4.99612	7.30174
8 h after light	5.22969	4.35714	6.10224
12 h after light	6.357010000000001	5.50717	7.20685
4 h after dark	9.253946666666666	8.12277	10.2369
8 h after dark	8.82271	8.69689	9.03944
12 h after dark	7.654513333333333	6.98957	8.13604