This scatter plot visualizes temperature over time in San Francisco, with each circle representing a daily measurement. The chart uses D3 scales (scaleLinear) to map data to positions, while React components render the SVG axes and marks. Axis ticks are styled with grid lines, and the data is loaded from a CSV file using D3’s csv method. Hovering over a circle reveals its timestamp via a native SVG title tooltip. The visualization is built with React 16.9 and D3 v5, using a Poppins font and a clean, minimal aesthetic.