Climate does fluctuate and there is randomness. When you look at the tend you can see how the line has recently taken a dramatic turn.

The takeaway is that we've seen these conditions once in the last 1200 years, but based on recent data we expect things to continue to get hotter. As I saw someone say: don't think of this as the hottest year on record, think of this as the coolest year for the rest of your life.