No, you are counting caucuses, which are funky little insider games, not traditional elections.
So what? Polls before those events predicted Trump wins, did they not? And Trump lost.
If you watch the post-primary election results (most of which are traditional elections) the pundits are constantly referring to, Candidate X won by 9.0% beating what the pre-election polls suggested by 4.0% which is a good sign for the candidate.
I repeat, polls are unreliable.