condition mean min max 4 h after light 120.189153 118.385903 121.992403 8 h after light 135.3768125 134.616672 136.136953 12 h after light 125.506077 118.565213 132.446941 4 h after dark 154.9974675 137.693595 172.30134 8 h after dark 146.518983 125.498201 167.539765 12 h after dark 111.660058 111.660058 111.660058