That's the sound of the thermometer as it slides ever downward.

But, as you can see, the birdseed that spilled out of the feeder day before yesterday has somehow blossomed, in spite of the cold.
Pax and I found walking a challenge. It was so cold that the spring in the retractable leash snapped, traction was minimal, and our feet hurt. But, on the plus side, we did not have to deal with other walkers, either human or canine.