condition	mean	min	max
4 h after light	6.269875	6.09165	6.4481
8 h after light	6.991465	6.913	7.06993
12 h after light	6.973605	6.95354	6.99367
4 h after dark	14.28855	13.483	15.0941
8 h after dark	12.612449999999999	12.54	12.6849
12 h after dark	10.34037	9.54344	11.1373