condition	mean	min	max
4 h after light	9.74684	9.54241	9.88672
8 h after light	9.75144	9.55852	9.98623
12 h after light	9.753536666666667	9.6793	9.868960000000001
4 h after dark	9.53875	9.23467	9.89504
8 h after dark	9.312990000000001	9.24075	9.358360000000001
12 h after dark	9.076636666666666	8.9689	9.16179