Yes you can get your clone statistics about a GitHub repository for a given month, but you need to download the statistics before they are no longer available on GitHub.
I wrote a couple of scripts that you can find: https://github.com/BradleyA/Linux-admin/tree/master/github-repository-traffic#github-repository-traffic------------- It is a very simple shell script that uses crontab to schedule the download of GitHub traffic statistics in plain text from your GitHub repositories. Another script gives you the text lines to add to crontab and sets up the directories for GitHub traffic statistics. It takes minutes to setup but weeks to get enough data. At this point you can process the data with any tools you wish. I created a third script that parses the GitHub traffic and creates two markdown tables (clone, Views).
It solves my challenge. It may help you.