condition	mean	min	max
4 h after light	8.527745	8.06414	8.99135
8 h after light	6.94718	6.70044	7.19392
12 h after light	12.198599999999999	11.6974	12.6998
4 h after dark	15.4237	14.5113	16.2971
8 h after dark	13.347966666666666	12.5673	14.1366
12 h after dark	8.610386666666667	7.86908	9.34044