Surprised it's only 10 points tbh.
Its an improvement from 7% in the 2016 Governor race. Plus Oregon has a lot of conservative rural areas and towns doesnt it?
This should give you a decent starting point about Oregon Politics....
https://uselectionatlas.org/FORUM/index.php?topic=252085.msg5386692#msg5386692Here is another really good poster on another Forum, who actually inspired some of my works when it comes to looking at Oregon from a more holistic perspective....
https://www.dailykos.com/news/OregonPoliticalGeographyBottom line: Frequent divergence between Presidential / US Senate / US REP results vs Statewide Oregon Elections, but "Conservative" in Oregon even in rural areas isn't exactly what it means in many other places in the US.
Hope that helps provide further research angles, especially when we start to look at "Upstate" and "Downstate" dynamics.....