condition mean min max 4 h after light 12.1137125 11.957246 12.270179 8 h after light 12.804468 12.086692 13.522244 12 h after light 11.225012 10.444137 12.005887 4 h after dark 12.081726499999998 12.076761 12.086692 8 h after dark 11.938489 11.054229 12.822749 12 h after dark 11.453631 11.453631 11.453631