This line chart displays one week of temperature data (in degrees Celsius) for San Francisco, drawn from the "Data Canvas - Sense Your City" dataset. The visualization uses a smooth, basis-curved line to connect the temperature readings over time. Built with D3 v5, the code uses `scaleTime` and `scaleLinear` for the axes, `axisBottom` and `axisLeft` for tick marks, and `line` with `curveBasis` to render the path. The SVG output includes labeled axes, a title, and grid lines, with styling applied via an external CSS file.