condition	mean	min	max
4 h after light	6.481339999999999	5.96104	7.00164
8 h after light	6.17267	5.67464	6.6707
12 h after light	6.746665	6.71435	6.77898
4 h after dark	9.088754999999999	8.6269	9.55061
8 h after dark	7.719659999999999	7.45541	7.98391
12 h after dark	7.82097	7.50581	8.13613