It means you should keep bleeding it until it has no air. I would call the hot top and luke warm bottom hose working right, but KEEP BLEEDING. I could hold my hand about 5 seconds on 185 degrees. I think yours is around 200, which is fine if that was what it called for and you should not see it go beyond 225 (thats a guess). Make sure your coolant is 50/50 not more or less (helps heat transfer).
Now if you climb a steep grade like before what does it read? That's a stress test and it will probably go higher than other times. When that reading (after climbing a steep grade) causes the temp to skyrocket but there is no air bubble and the cooling system operates normally otherwise, you need a radiator.
regards
mech
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