Somehow I missed the naysayers on actually honing in on tobacco moisture:
1.) Cigars' moisture level changes very slowly; cut or ready rubbed tobacco, relatively easily. (though days for major changes)
2.) Moisture level in solid matter, be it wood, tobacco or corn, is measured with scientific (expensive) equipment. For tobacco the moisture level is usually in the teens.
3.) Relative humidity, at a given temperature, translates to moisture levels.
4.) Tobacco and a hygrometer (I use two to get more accurate readings when important) placed in an airtight jar will give a very good proxy of its moisture over time.
5.) If your air is 85% RH and you leave your jar open, the moisture will climb; the reverse is true if the ambient air is less than the tobacco's RH.
6.) The $5.00 hygrometers are hardly scientific-grade, but light years better than the guesses made by some.
7.) Smoke what you like and how you like it.