condition	mean	min	max
4 h after light	5.851226666666666	5.69816	6.02853
8 h after light	5.642483333333334	5.55499	5.72518
12 h after light	5.60895	5.49257	5.81162
4 h after dark	5.702196666666667	5.53102	5.7983199999999995
8 h after dark	5.63487	5.211930000000001	5.8814
12 h after dark	5.71687	5.42936	6.15921