I’ve been learning a bit about data visualization tools lately, and last night I decided to go digging through Massachusetts government websites to see if there was any interesting data I could plot. I didn’t expect to spend my night learning about the history of rainfall in the state, but the Massachusetts precipitation database turned about to be a great resource. Below is what I came up with in half an hour or so. On the map, each color represents a water basin — essentially where the water for the town or city comes from. The size of the circle represents the total rainfall in the area in a given year. You can toggle between years on the right. In
The History of Rainfall in Massachusetts
