condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.18995366666666666 0.0 0.569861 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.48391333333333336 0.0 1.45174 12 h after dark 0.0 0.0 0.0