condition	mean	min	max
4 h after light	8.7551	7.502	10.0082
8 h after light	1.6691099999999999	1.4102	1.92802
12 h after light	2.6370199999999997	2.40354	2.8705
4 h after dark	3.5502149999999997	3.08609	4.01434
8 h after dark	6.877174999999999	6.792	6.96235
12 h after dark	7.302465	6.93046	7.67447