condition	mean	min	max
4 h after light	9.1009165	9.074467	9.127366
8 h after light	8.255741	8.166005	8.345477
12 h after light	8.471101	7.711882	9.23032
4 h after dark	8.605562	8.605562	8.605562
8 h after dark	8.475573	7.864616	9.08653
12 h after dark	8.605562	8.605562	8.605562