condition	mean	min	max
4 h after light	8.30566	8.188564	8.422756
8 h after light	9.391829	8.681185	10.102473
12 h after light	8.0194855	7.86315	8.175821
4 h after dark	9.781179999999999	9.675548	9.886812
8 h after dark	8.89432	8.526325	9.262315
12 h after dark	8.669203	8.669203	8.669203