Hello @Justin Sulser Thank you for your patience throughout the duration of the issue. I'm re-posting the solution below that worked for you. Because the original poster cannot post the solution and "accept the answer". By this the relevancy of this post will improve when anyone in the community search for a similar query.
<< Sharing the solution below with the broader community >>
- Uninstall the Azure Site Replication agent.
- Reboot the server
- Re-install the Azure Site Replication agent
Note: RPO reporting seemed stable after performing the mentioned steps.
Conclusion: The issue could probably be something specific to the machine.
Hope this helps others who may be looking for solution to the similar issue on this (Microsoft Q&A) forum.
If the response helped, do "Accept Answer" and up-vote it