This gif shows snow depths at every U.S. weather station on each day from July 1, 2017 to June 30, 2018.

These charts show the results of elections in 21 democracies from 1950 to 2011.

This maps shows 2018 year-to-date rainfall compared to the normal amount (as calculated by NOAA from 1981-2010).

This code builds the county-level map in this post.

Here’s a map of county per capita annual library visits across the United States.

Wisconsin lakes, ponds, streams, and rivers 11,339 square miles of Wisconsin is covered by water.

Comparing data When we read facts about the places we live, most often they are taken from census data.

This chart shows elevations across the state of Wisconsin. To create it, I generated a grid of points at even intervals across the state.

1 dot for each vote This map shows the results of the Wisconsin 2016 Presidential election.

Census estimates versus municipal full counts Since 2005, the Census Bureau has provided detailed demographic, economic, and property data through its American Community Survey (ACS) program.