This link was posted by Brajeshwar 1 hour ago on HN. It received 82 points and 15 comments.
The last time the sun's magnetic field flipped was toward the end of 2013
That explains my 2013 well.

One of my favorite things about space is how clueless we are about it.
"That gets into the whole [solar] cycle, and wondering what that is," Stanford University solar physicist Phil Scherrer previously told "We still don't have a really self-consistent mathematical description of what's happening. And until you can model it, you don't really understand it — it's hard to really understand it."
Humanity is so early.