condition	mean	min	max
4 h after light	9.806856666666667	9.49222	10.02835
8 h after light	9.698336666666666	9.38775	9.85941
12 h after light	9.91282	9.57263	10.198260000000001
4 h after dark	9.715060000000001	9.28958	9.9831
8 h after dark	9.709233333333334	9.250580000000001	9.99437
12 h after dark	9.726989999999999	9.35062	9.940489999999999