Over the past few weeks, I've been compiling a database based on Benjamin Drew's transcriptions of Plymouth epitaphs. Hopefully, when I'm done, I will be able to quantify some of the patterns that I have observed anecdotally.
I am nowhere near done with this work, but I took a little break today to run some early statistics. One of the patterns I noticed as I was entering the data was that more people seemed to die in the autumn than in the summer. A graph of the month of death for the first 1,400 individuals in my database showed that there was a noticeable pattern: