This scatter plot visualizes a week of temperature readings in San Francisco, with time on the x-axis and temperature on the y-axis. The code uses D3 v5’s `scaleTime`, `scaleLinear`, `axisBottom`, and `axisLeft` to render SVG circles, with hover effects changing their fill color. Data is loaded as CSV from a remote dataset, with each temperature parsed as a number and timestamp as a `Date`. Axis labels and a title are added as SVG text elements.