The article does note that there are also annual cicadas; I wonder if that’s what you get, or if you just have enough different “broods” that you get the periodic cicadas every year.
Yes. We get both the annual and periodic cicadas.
There are certainly annual cicadas, and they do make a racket, but there was no mistaking the 17 year variety, whose 17 year cycle came to fruition on the East coast about three years ago. The noise was a high pitched whine that was deafening.