{"version":"1.0","type":"rich","title":"Assignment _6(Multi series chart)","description":"This multi-series line chart visualizes monthly climate trends, comparing average temperature, rainfall, and humidity across aggregated city data. The chart uses a shared y-axis to display all three metrics, with distinct colored lines and a legend for identification. The code loads CSV data via `d3.csv`, aggregates it with `d3.rollups`, and scales axes using `d3.scaleLinear`. Lines are drawn with `d3.line` paths, while gridlines and axes are rendered using `d3.axisLeft` and `d3.axisBottom`. A highlighted circle annotates the peak temperature point.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/2a29d0fde2c34b189a41810f6bc8c61c?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}