As some of you know, TDP did a little suite of shell scripts based on OONI data to look at diversity statistics:
I think you mean onionoo (not OONI).
In other words, daily reports would be run on, say, bw consensus by country, and if there was some statistically significant change over N periods of time, it would be noted. Or if a particular OS drops or jumps. Or if a particular AS jumps or declines for relays, bridges, whatever.
something related:
https://nusenu.github.io/OrNetRadar/ as ML: https://lists.riseup.net/www/info/ornetradar
https://nusenu.github.io/OrNetStats/
Then there is (will be) metrics-bot, I made some feature requests similar to your examples above here:
https://trac.torproject.org/projects/tor/ticket/23937#comment:1
also related: https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-consensus-health