condition mean min max 4 h after light 0.4647805 0.424466 0.505095 8 h after light 0.5976619999999999 0.553541 0.641783 12 h after light 1.341694 0.780868 1.90252 4 h after dark 1.64967 1.44737 1.85197 8 h after dark 1.0478105 0.861021 1.2346 12 h after dark 0.6142115 0.437675 0.790748