condition mean min max 4 h after light 12.850950000000001 10.6144 15.0875 8 h after light 11.0209 10.6718 11.37 12 h after light 12.6966 12.1138 13.2794 4 h after dark 14.6042 14.3312 15.1176 8 h after dark 14.068533333333333 13.4859 14.3646 12 h after dark 16.969333333333335 15.312 20.1733