condition	mean	min	max
4 h after light	7.03284	6.87984	7.18584
8 h after light	8.010085	7.07237	8.9478
12 h after light	7.681215	6.80766	8.55477
4 h after dark	8.04355	7.98583	8.10127
8 h after dark	7.577640000000001	7.53303	7.62225
12 h after dark	4.216015	3.64237	4.78966