Shows the range between two values for each category, like a before-and-after comparison. A thin line connects two endpoints, making it easy to see the gap or change between two data points per category.
Day vs Night: Temperature Swings Across the Solar System (°C)
Best for
- Comparing two data points per category (e.g., before vs. after)
- Highlighting the gap or change between two values
- Showing improvement or decline across categories
Avoid when
- You have more than two data points per category
- The ranges are very small, making differences hard to see
- Audience is unfamiliar with this less common chart type