condition	mean	min	max
4 h after light	9.003113500000001	8.515121	9.491106
8 h after light	8.872625	8.686165	9.059085
12 h after light	8.587939	8.477289	8.698589
4 h after dark	8.609963	8.486482	8.733444
8 h after dark	9.1547475	8.235411	10.074084
12 h after dark	9.918354	9.918354	9.918354