condition	mean	min	max
4 h after light	9.56382	9.45686	9.67078
8 h after light	11.94705	11.4469	12.4472
12 h after light	7.287895000000001	7.14967	7.42612
4 h after dark	7.93727	7.09165	8.56722
8 h after dark	6.71391	6.16058	7.55599
12 h after dark	7.67465	6.83317	8.11437