condition	mean	min	max
4 h after light	5.381390000000001	5.10562	5.61521
8 h after light	5.76926	5.16465	6.2504800000000005
12 h after light	5.686453333333334	5.3323	5.9371
4 h after dark	5.385736666666666	4.95987	5.73957
8 h after dark	5.54834	5.15666	5.7703
12 h after dark	5.22279	4.98461	5.53554