But despite overseeing a run of just one win in 14 games, Johnson is not panicking.
"I'm not worried. If the players saw that I was worried then the confidence would drain out of them. Things fluctuate and that's why I'm not going to talk about promotion or relegation," he told the Evening Post.
"It was only a week ago or so that we were very happy with our performances and things like this can happen in football. We seem either to be really good or really bad and that's something we have to look at.
"Unless we get a couple of good results now, we are looking at a situation where we are not going to be anywhere near the play-offs during March."
Crystal Palace 11/10, Draw 12/5, Bristol City 5/2