condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02386565 0.0 0.0477313 12 h after light 0.0 0.0 0.0 4 h after dark 0.0163764 0.0 0.0491292 8 h after dark 0.0 0.0 0.0 12 h after dark 0.006781966666666667 0.0 0.0203459