This line chart visualizes one week of temperature data in San Francisco, showing how temperatures fluctuate over time with a smooth curve connecting daily measurements. The visualization uses D3 v5’s `scaleTime`, `scaleLinear`, `axisBottom`, `axisLeft`, and `line` generators to render the SVG plot, with `curveBasis` for the smoothed line. Temperature values are parsed from CSV data sourced from the Data Canvas - Sense Your City project, and the chart includes labeled axes and a title.