Here is the timestamped data for the Q2/Q3 PVs which display the last error:
https://docs.google.com/spreadsheets/d/1hJkJOo8oxHIab1kKXeGkvBC4wA858cnIb6cYM3soE6s/edit?usp=sharing
Still need to fold this into to the overall sequence. And usual caveats about archiving rates and timestamps.