This stacked bar chart visualizes the first 30 days of Delhi climate data, showing how the daily values for mean temperature, humidity, wind speed, and mean pressure contribute to a total for each day. The code uses `d3.csv` and `d3.autoType` to load the data, then employs `d3.stack` and `d3.scaleBand` with a color ordinal scale to render the stacked rectangles in an SVG. It uses `d3.axisBottom` and `d3.axisLeft` for the axes, with a manually positioned legend.