This graph and data were contributed by Xiuxin Yu, Tianjin University.
This Polar Contour shows the temperature changes over time. To display the temperature recorded in 24 hours (of August 21st, 2019) in Anyang City, Henan Province, the polar is set to the 24h dial and the contour color is mapped to the temperature values.
To know how to plot this graph, please download the above project file (in the Zip file). There is a Note window to show the detail steps for plotting this graph.