condition	mean	min	max
4 h after light	2.706055	2.51325	2.89886
8 h after light	4.162095	3.65902	4.66517
12 h after light	6.398655	6.29606	6.50125
4 h after dark	7.100935	6.29064	7.91123
8 h after dark	6.0374	5.70628	6.36852
12 h after dark	3.953975	3.81054	4.09741