System B

Usage

• The timeline chart offers a range selection of date, with a default selection of week 2.
• The condition legend can be used as a filter.
• The scatter plot supports zooming and panning, with a minimap indicating your relative position.
• The city search box enables filtering by location.
• The metric dropdown determines the quantitative attribute encoded by size.
• The metric scaling exponent can be used to magnify larger values.
• Selecting a point, allows query relaxation by time - selecting the checkbox according to the traversal policy.
• The temperature and humidity sliders allow filtering of data.
• Refresh the page to reset the system.

Tasks

1. Determine the week # when the first occurrence of a “Snowy” weather condition took place.
2. Find three cities that had humidity levels between 40% and 50% in week 28.
3. Find the date when London recorded its highest temperature, and determine the lowest temperature recorded across Europe on the same day.
4. Rank the cities - Luxembourg, London, and Brussels based on the number of “Fog / Mist” days experienced in November 2024.