Too far. 1:20 drive.
In the case it is 67F and 46% humidity. (A little cold but humidity is good)I'm not an expert but I do my own work, so I have a couple of suggestions. First is the guitar wet? What I mean by that is is it getting too much humidity. Some people go overboard with those little humidifiers and the top can create a bit of a belly, which could easily raise your action. I have a hygrometer that I lay in the case with my guitar every so often to see if the humidity levels are within reason. The next thing I'd check would be the relief and action, something could be out of wack that you didn't notice until now. Here's a site Brian Kimsey has up that I've found to be an excellent resource for setting up my acoustics.
Index
I can completely understand if you just want to take to someone, but there's a good chance it might be something simple. A capo, ruler and set of feeler gauges can go a long way. Good luck either way.
You're pretty much right on with what I have mine set up with. My D18 has .008 in relief and .095 at the 12th fret (.001 over 3/32). Personally I like the way they play like this, not too high for playability but not too low that you start pulling the bottom end response out of the guitar.In the case it is 67F and 46% humidity. (A little cold but humidity is good)
At the 12th fret the low E measures 7/64". (Within factory spec but the highest end and I have lights so should be able to get down to almost 3/32")
Relief at the 6th fret like .013 so a little high.
Ok so I tightened the truss rod and now I'm at 3/32" at the 12fret low E and the relief is like .009. Too little?