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${viewof legend}

${viewof map}

${viewof logo}

`31:T9d8,viewof map = { let tooltip = d3 .select("body") .append("div") .attr("class", "tooltip") .style("position", "absolute") .style("z-index", "10") .style("visibility", "hidden") .style("padding", "5px") .style("opacity", 0.9) .style("background", "white") .style("border", "2px solid") .style("border-radius", "2px") .style("pointer-radius", "none"); const div = d3.create("div"); function direction(temp) { if (temp >= 1) { return "has warmed by"; } else if (temp <= -1) { return "has cooled by"; } else { return "has remained fairly constant, warming by just "; } } // we create an SVG with the width and height specified const svg = div.append('svg') .attr('width', 1000) .attr('height', 600) .attr("viewBox", [0, 0, 1000, 600]); const countyGeogs = svg .append("g") .selectAll("path") .data(counties.features) .join("path") // This line renders our data .attr("fill", (d) => getColor(d.properties.CHANGE_F)) .style("stroke", "black") .style("stroke-width", 0.25) .attr("d", path); countyGeogs .on("mouseover", function (e, d) { let thisDiv = d3.select(this).data()[0]; if (thisDiv !== mutable thisDiv) mutable thisDiv = thisDiv; d3.select(this).style("stroke-width", 2).style("stroke", "white"); const message = direction(thisDiv.properties.CHANGE_F); tooltip.style("visibility", "visible").html(`The average winter temperature in ${ thisDiv.properties.COUNTY}, ${thisDiv.properties.ST_ABBR} ${message} ${+thisDiv.properties.CHANGE_F}°F since 1970.`); }) .on("mousemove", function (e, d) { return tooltip .style("top", e.pageY - 10 + "px") .style("left", e.pageX + 10 + "px"); }) .on("mouseout", function (e, d) { if (mutable thisDiv) mutable thisDiv = null; d3.select(this).style("stroke-width", 0.15).style("stroke", "black"); tooltip.style("visibility", "hidden"); }); // this part renders the state borders over top of our counties svg .append("path") .datum(statesMesh) .attr("fill", "none") .attr("stroke", "black") .attr("stroke-width", 1) .attr("stroke-linejoin", "round") .attr("d", path); // we need to return a DOM element. // the .node() function returns the DOM element corresponding to the d3 selection. return div.node(); }32:Ta27,33:[{"id":"7e5bc1b8dd80ced928403ce198f56c8776b56f099caa7a6e3eec54a61b077890ed59d410fb9910b9545ec2441835647a346cf1753c820ecf54d09aebd0b41afd","href":"https://static.observableusercontent.com/files/7e5bc1b8dd80ced928403ce198f56c8776b56f099caa7a6e3eec54a61b077890ed59d410fb9910b9545ec2441835647a346cf1753c820ecf54d09aebd0b41afd","name":"2024WinterPackage_AvgT_Counties.csv","type":"text/csv","lastModified":1731018290969.748,"size":117432},{"id":"11d0aff8f627e52fbcac686c7d66840b7a2bdaddb4c1fdbede0f610115d5bc9270b7c549a9326223114c1286a5085ea86ef80b7042f29603d21078f1262f125e","href":"https://static.observableusercontent.com/files/11d0aff8f627e52fbcac686c7d66840b7a2bdaddb4c1fdbede0f610115d5bc9270b7c549a9326223114c1286a5085ea86ef80b7042f29603d21078f1262f125e","name":"2024WinterPackage_AvgT_Counties.geojson","type":"application/geo+json","lastModified":1731018716006.7,"size":25253834},{"id":"5a9fadd5c85c0c14f9849886a66dbd03ed67662ead98114cbe633072026e41eec8c0d8ee22bd3c3b0bffb441bf8e8b1964c6861973c9dc3f5f160324feead694","href":"https://static.observableusercontent.com/files/5a9fadd5c85c0c14f9849886a66dbd03ed67662ead98114cbe633072026e41eec8c0d8ee22bd3c3b0bffb441bf8e8b1964c6861973c9dc3f5f160324feead694","name":"CC_LongLogo.png","type":"image/png","lastModified":1729146393541.26,"size":199924}] 2e:{"id":"a0bf12293844cc08","slug":"2024-winter-package","title":"Climate Matters: 2024 Winter Package","thumbnail":"8b9f2ff86f7e0e6e7716688b61d88fe2d7b071d47c63038bd3b834c81326166f","access_level":"unlisted","create_time":"$D2024-10-17T05:07:36.911Z","update_time":"$D2026-08-16T19:21:36.793Z","view_time":null,"first_public_time":"$D2024-11-13T08:45:23.690Z","has_unpublished_edits":null,"fork":false,"stars":1,"starred":false,"owner":{"type":"team","id":"1b16cfac8e47ddf9","login":"climatecentral","name":"Climate Central","avatar_url":"https://avatars-next.observableusercontent.com/b8d84fbc6265f9a7c731e62fc076af7c84c7be3a9be06e52da319786d6b129dd","tier":"pro_2024"},"version":2374,"publish_version":null,"role":null,"authored":false,"authors":[{"type":"individual","id":"43d98796353ee1e2","login":"ktrudeau","name":"Kaitlyn Trudeau","avatar_url":"https://avatars-next.observableusercontent.com/3650447af2e2411fcfe3aa899ed520cce0fe01a62f5b78ec6617c32d64cdf326","tier":null}],"members":[{"type":"team","id":"1b16cfac8e47ddf9","login":"climatecentral","name":"Climate Central","avatar_url":"https://avatars-next.observableusercontent.com/b8d84fbc6265f9a7c731e62fc076af7c84c7be3a9be06e52da319786d6b129dd","tier":"pro_2024","role":"editor"},{"type":"individual","id":"2c83cdab1789ae3a","login":"helen-brush","name":"Helen Brush","avatar_url":"https://avatars-next.observableusercontent.com/77ee2df45f225a5bd60250da63b7a3e91a5b623fe778a82f42c1b3f3d8e521cd","tier":null,"role":"editor"},{"type":"individual","id":"43d98796353ee1e2","login":"ktrudeau","name":"Kaitlyn Trudeau","avatar_url":"https://avatars-next.observableusercontent.com/3650447af2e2411fcfe3aa899ed520cce0fe01a62f5b78ec6617c32d64cdf326","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":true,"trashed":false,"lapsed":null,"subscribed":null,"forks":2,"collection":null,"type":"notebook","body":{"titling":"auto","title":"Climate Matters: 2024 Winter Package","cells":[{"id":189,"value":"# Climate Matters: 2024 Winter Package","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":0,"value":"

Change in Average Winter Temperature (°F) by County, 1970-2024

","pinned":false,"hidden":false,"mode":"html","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":14,"value":"Meteorological winter, which starts December 1, is the fastest-warming season for most of the U.S. — affecting snowfall, water supplies, winter sports, spring allergies, summer fruits, and more.\n\nThe map below shows how much average winter temperatures have changed in counties across the contiguous U.S. from 1970-2024. Read more about the impacts of increasing winter warmth in Climate Central's 2024 Winter Package.","pinned":false,"hidden":false,"mode":"html","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":92,"value":"$30","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":88,"value":"

Want to embed this map on another website?

${Object.assign(html`

\n","pinned":false,"hidden":false,"mode":"html","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":32,"value":"

${DOM.download(\n FileAttachment(\"2024WinterPackage_AvgT_Counties.csv\").blob(),\n FileAttachment(\"2024WinterPackage_AvgT_Counties.csv\").name,\n \"Download Data\"\n)}

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${Legend(\n d3.scaleThreshold([`+1°`, `+2°`, `+3°`, `+4°`, `+5°`, `+6°`], colors),\n {\n width: 700,\n height: 50,\n tickSize: 2,\n title: \"Change in average winter temperature (°F) by county, 1970-2024\"\n }\n )}

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