Found that running this image, that it can take up to 2 minutes before dummy stats sent into the running container before querying for the metric returned usable results. Run the image with: docker ...
/opt/graphite/webapp/graphite # env HOSTNAME=417962db1d35 SHLVL=1 HOME=/root OLDPWD=/opt/graphite/webapp GOCARBON=1 STATSD_INTERFACE=udp RELAY=1 TERM=xterm GRAPHITE ...