condition	mean	min	max
4 h after light	3.37398	1.95383	5.65974
8 h after light	4.090823333333333	1.29951	6.52785
12 h after light	5.33816	3.83107	7.42827
4 h after dark	5.51421	3.22885	6.87388
8 h after dark	4.471216666666667	3.39591	5.99611
12 h after dark	5.85979	4.69687	7.60883