condition	mean	min	max
4 h after light	7.087155	6.49211	7.6822
8 h after light	5.96039	5.55046	6.37032
12 h after light	4.190945	4.17495	4.20694
4 h after dark	4.07904	3.60469	4.42613
8 h after dark	3.8729533333333332	3.39016	4.31521
12 h after dark	4.77528	4.68071	4.88035