condition	mean	min	max
4 h after light	4.09396	3.87983	4.34042
8 h after light	4.10084	3.9293	4.4402099999999995
12 h after light	3.9316766666666667	3.7517400000000003	4.10802
4 h after dark	4.123566666666667	3.83972	4.53055
8 h after dark	4.028733333333333	3.76252	4.32447
12 h after dark	4.04687	3.92689	4.28266