condition	mean	min	max
4 h after light	7.211196666666667	7.05928	7.408860000000001
8 h after light	6.698910000000001	6.41862	6.884410000000001
12 h after light	7.12646	7.013719999999999	7.21905
4 h after dark	6.941249999999999	6.8028699999999995	7.175839999999999
8 h after dark	6.94213	6.8006	7.0857399999999995
12 h after dark	7.202093333333333	7.05928	7.37326