condition mean min max 4 h after light 3.0774836666666667 3.021762 3.139232 8 h after light 2.300835 1.482077 2.7191799999999997 12 h after light 2.41819 1.423975 3.6278989999999998 16 h after light 3.0166356666666667 2.4814849999999997 3.586536 4 h after dark 2.9259893333333333 2.302285 3.5557730000000003 8 h after dark 2.228422333333333 1.567237 3.4407449999999997