condition	mean	min	max
4 h after light	4.500426666666667	4.3798699999999995	4.6677
8 h after light	4.4339933333333335	4.37218	4.53563
12 h after light	4.529153333333333	4.438280000000001	4.6589599999999995
4 h after dark	4.47602	4.45195	4.52025
8 h after dark	4.43344	4.34134	4.5022400000000005
12 h after dark	4.423023333333333	4.31671	4.49063