This area chart visualizes temperature readings over a week, displaying the value as a smooth, sky-blue filled region beneath a matching line. The x-axis maps timestamps using a time scale, while the y-axis uses a linear scale for temperature, both rendered with D3 axis components. The code builds the chart with D3 v5’s `area` and `line` generators, applying a `curveBasis` interpolation, and draws to an SVG canvas. Data is loaded from a CSV file hosted as a GitHub gist.