I have a chart (If you PM me, I could email it to you). Or if you let me know the current height (in inches with part inches like 32.50") and age (in months) I can tell you the numbers it projects. The chart says that it is 90% accurate to 1/2".
It gives estimated final heights. Most growth is in the first year (90% is what I have been told.) Some horses don't follow this though. The mini registries figure final height is accurate at age 3 and that is when it is recorded on their papers.
Love is a visible gift of God like when you see Peter-John's and Darlin's souls touch