This interactive network graph visualizes climate data for five U.S. cities, connecting each city to nodes for temperature, pressure, and humidity, with the attribute values displayed as labels. Built with D3 v5, it uses the `d3.forceSimulation`, `forceLink`, and `forceManyBody` APIs to position nodes through a physics simulation, with adjustable link distances, repulsion, and a center force. Nodes are draggable, and the SVG rendering updates continuously during the simulation.