condition	mean	min	max
4 h after light	8182.5	8182.5	8182.5
8 h after light	8570.85	7900.5	9241.2
12 h after light	8454.05	8119.9	8788.2
4 h after dark	7324.9	5568.2	9081.6
8 h after dark	6201.4	5611.8	6791.0
12 h after dark	6783.85	6497.6	7070.1