This map bundles zip codes by proximity best-fit into spatial approximations of craigslist.org city site coverage. A look-up table linking craigslist zones to Census 2010 zip code tabulation areas is provided at http://uxblog.idvsolutions.com/2011/12/craigszips.html
- SQL Server 2008 spatial
- Adobe Fireworks
- U.S. Census 2010 zip code tabulation areas
- Craigslist.org for city list
- Initial craigslist zone and methodology reference: http://uxblog.idvsolutions.com/2011/07/chalkboard-maps-united-states-of.html
Following the first official day of summer, many areas in the United States are approaching their highest temperatures for the year. To give you a better idea of the warmest time of year for your area, NCDC has created a new “Warmest Day of the Year” map for the contiguous United States.