condition	mean	min	max
4 h after light	13.605450000000001	12.0275	15.1834
8 h after light	8.788264999999999	8.77766	8.79887
12 h after light	12.233450000000001	10.5728	13.8941
4 h after dark	13.746233333333333	13.2455	13.9979
8 h after dark	16.8802	15.3332	18.1775
12 h after dark	13.415933333333333	12.1949	14.5018