Your basement is reading 22% humidity, which is just enough to preserve great bottles of wine. I think you should just tweak the lighting components in your basement. Paper Minecraft
It is critical that the top of the bottle is not vertical. I purchased a zin shell today, and when I got home, the wine was already empty, with the words on the right side of the box. As a result, I turned the carton upside down and marked it with a large marker as shown above.