condition	mean	min	max
4 h after light	9.021533333333334	8.95475	9.06984
8 h after light	9.02801	8.94956	9.08544
12 h after light	9.10541	9.08428	9.1411
4 h after dark	9.555503333333332	9.51108	9.62594
8 h after dark	9.54019	9.43178	9.635480000000001
12 h after dark	9.39758	9.31598	9.53052