Seattle Weather Exploration

This graph shows an interactive view of Seattle’s weather, including maximum temperature, amount of precipitation, and type of weather. By clicking and dragging on the scatter plot, you can see the proportion of days in that range that have sun, rain, fog, snow, etc. Created by @jakevdp.

View this example in the online editor

Vega-Lite JSON Specification

{
  "$schema": "https://vega.github.io/schema/vega-lite/v3.json",
  "title": "Seattle Weather, 2012-2015",
  "data": {
    "url": "data/seattle-weather.csv"
  },
  "vconcat": [
    {
      "encoding": {
        "color": {
          "condition": {
            "title": "Weather",
            "field": "weather",
            "scale": {
              "domain": ["sun", "fog", "drizzle", "rain", "snow"],
              "range": ["#e7ba52", "#a7a7a7", "#aec7e8", "#1f77b4", "#9467bd"]
            },
            "selection": "brush",
            "type": "nominal"
          },
          "value": "lightgray"
        },
        "size": {
          "title": "Precipitation",
          "field": "precipitation",
          "scale": {"domain": [-1, 50]},
          "type": "quantitative"
        },
        "x": {
          "axis": {"title": "Date", "format": "%b"},
          "field": "date",
          "timeUnit": "monthdate",
          "type": "temporal"
        },
        "y": {
          "axis": {"title": "Maximum Daily Temperature (C)"},
          "field": "temp_max",
          "scale": {"domain": [-5, 40]},
          "type": "quantitative"
        }
      },
      "width": 600,
      "height": 300,
      "mark": "point",
      "selection": {"brush": {"encodings": ["x"], "type": "interval"}},
      "transform": [{"filter": {"selection": "click"}}]
    },
    {
      "encoding": {
        "color": {
          "condition": {
            "field": "weather",
            "scale": {
              "domain": ["sun", "fog", "drizzle", "rain", "snow"],
              "range": ["#e7ba52", "#a7a7a7", "#aec7e8", "#1f77b4", "#9467bd"]
            },
            "selection": "click",
            "type": "nominal"
          },
          "value": "lightgray"
        },
        "x": {"aggregate": "count", "type": "quantitative"},
        "y": {"title": "Weather", "field": "weather", "type": "nominal"}
      },
      "width": 600,
      "mark": "bar",
      "selection": {"click": {"encodings": ["color"], "type": "multi"}},
      "transform": [{"filter": {"selection": "brush"}}]
    }
  ]
}