condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.09002596666666667 0.0 0.18818 12 h after light 0.047784799999999995 0.015026 0.0943922 4 h after dark 0.08333866666666666 0.0 0.131734 8 h after dark 0.014621266666666667 0.0 0.0438638 12 h after dark 0.0507905 0.0463198 0.055421