A record cold ride? Sunrise in Madison

I can't really remember what the coldest temperature I've ever ridden in is. But today must have been close to or even below that: It was -19°F/-29°C when I woke up. The sun wasn't up yet, and so I decided to ride to the shore of Lake Monona to catch some good pictures of the sunrise. Yes, it was horribly cold, but the beauty of the ice fog, the sunrise, and the hoarfrost on the plants made it well worth it. No Strava track, as my phone battery quickly succumbed to the cold, but the ride was about 12 kilometers. Here are some pretty pictures!