condition	mean	min	max
4 h after light	8.391883333333332	4.61875	12.0009
8 h after light	4.57262	1.51581	6.1367
12 h after light	6.244183333333334	4.56916	8.34238
4 h after dark	9.28414	7.93998	10.8724
8 h after dark	9.96537	7.92931	11.3854
12 h after dark	9.584623333333333	8.7689	10.4834