This is thinking a little "outside the box", but one thing you could do is use to the internet to locate some manuals for some ready-to-fly radio-controlled model airplanes such as those produced by HobbyZone, etc. The manuals will typically list "low rates" and "high rates" for each surface. The "low rates" have to provide the minimum control throw that the pilot would likely want to use in any flight mode, including high-speed flight. The "high rates" have to provide the control throw that the pilot would likely want to use during the most extreme maneuvers. The pilot can switch back and forth between these two different modes at will during flight. Forget about any model airplane that is promoted as being capable of "3-D" flying, because during this style of extreme flying, extreme throws are used that would not be representative of anything used in full-scale aircraft. Obviously, you will find that aircraft intended to fly very fast will generally employ much smaller control throws than aircraft intended to fly slowly, and aircraft intended for aerobatics will employ larger control throws than aircraft not so intended.
The point here is that because the pilot can switch back and forth between low rates and high rates at will, the "low rates" do not have to be configured to provided all the possible deflection that the pilot might ever need, and therefore might reasonably be assumed to be based on deflection that the pilot actually might regularly employ in ordinary non-aerobatic flight.
With this method, you'd have to measure the control surfaces to come up with an angular deflection in degrees, because the values provided in these manuals will typically be a linear measurement of how far the surface moves from the neutral (centered) position, when the control stick is fully deflected.
Anyway, you'll find a tremendous variation in the recommended control throws, depending on the type of aircraft and the way it is intended to be flown-- just as is the case with full-scale aircraft.
I suspect what would really better suit your needs would be some actual flight-test data from full-scale aircraft, but I can't tell you where to easily find that.
You also could consider playing around with a flight simulator such as can run on a personal computer. Some of them can be configured to display control surface deflections. Some also have modes where they will fly through maneuvers for you, as a lesson.