condition	mean	min	max
4 h after light	3.37777	3.13951	3.61603
8 h after light	5.999784999999999	5.72861	6.27096
12 h after light	8.56227	8.05153	9.07301
4 h after dark	6.270315	6.09032	6.45031
8 h after dark	6.66519	6.45087	6.87951
12 h after dark	5.335934999999999	4.84925	5.82262