condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.03661266666666667 0.0 0.109838 9 h after light 0.021571666666666666 0.0 0.064715 12 h after light 0.09413725 0.0 0.162565 3 h after dark 0.06720653333333333 0.0 0.134411 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0851011 0.0665562 0.103646