Here graphs based on the dataset created by the Japan Meteorological Agency.
Regular updates. Check date in graph.
First graph is on the monthly anomalies plus a moving 10 year average.

Digging data
Here graphs based on the V5.1 dataset created by NOAA/NCEI.
Regular updates. Check date in graph.
First graph is on the monthly anomalies plus a centered 10 year average.
Here graphs based on the HadCRUT 5.0.1 dataset created by the Met Office (UK).
Regular updates. Check date in graph.
First graph is on the monthly anomalies plus a moving 10 year average.