This visualization displays daily temperature readings in San Francisco as a scatter plot, with time on the x-axis and temperature on the y-axis. The chart uses semi-transparent steel-blue circles to reveal data density. Built with D3 v5, it employs `scaleTime`, `scaleLinear`, `axisLeft`, and `axisBottom` to construct the axes, pulling data from a CSV file of timestamp and temperature pairs. The SVG rendering includes grid lines and labeled axes, with all styling applied via an external CSS file.