Thanks, both replies give me some good notion what to try out.
The joy of learning how to DIY guitar set up / fixing! I've been playing about 2 1/2 years, and have so far ignored this area of knowledge. But as my ear gets better, the little things that I did not notice before, start to bother me. And as I notice more how issues like temperature, seasonal changes, etc., throw things outta' whack, I think I'll definitely want to know how to tweak things myself as I proceed on this journey.
Is there a generally recognized "best" online FAQ / walk-thru for "electric guitar set up for du