condition mean min max 4 h after light 0.383637 0.219766 0.547508 8 h after light 0.476885 0.367098 0.586672 12 h after light 0.4061545 0.345624 0.466685 4 h after dark 0.6702663333333334 0.599342 0.752708 8 h after dark 0.6184453333333334 0.521028 0.797741 12 h after dark 0.397545 0.318277 0.535991