This area chart visualizes one week of temperature data in San Francisco, with time on the x-axis and degrees Celsius on the y-axis. The chart includes axis labels, a title, and shaded area fill. Built with D3 v5, the code uses `d3.csv` to load data, `scaleTime` and `scaleLinear` for scales, and `area` with `curveBasis` to generate the smooth path. SVG rendering draws the area, gridlines, and text elements. Data originates from Data Canva’s temperature sensor project.