It's another South Dakota winter and with that comes everything we would expect; freezing cold temps, wind chill, snow, and your house creaking and popping.

At my place, the colder the temps fall, the more noises I hear from the building. During our first winter, we would hear a loud bang on the roof. It would happen at random times; scared the crap out of us the first time it happened. Still don't know what that is but it's kind of annoying when it happens at three in the morning.

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Experts say that noises can be anything from nails contracting into the wood causing a pinging sound to pipes expanding and contracting in the walls. If you hear similar noises from your house then know that you aren't alone. You might think your house is protesting the cold weather, but there is actually a scientific reason for the sounds.

What is the reason for a house to make noises?

According to an article on Cleveland.com, the sounds have to do with building materials and their reaction to temperatures. Norbert Delatte is a professor at Cleveland State University and the chairman of the civil and environmental engineering department.

According to Delatte, the explanation is simple. He says, "Pretty much all building materials – wood, concrete, steel – expand with heat and contract with cold," Delatte said. "The foundation of a house stays at a more normal temperature where the outside of the house is trying to shrink against it, so whatever connections there are between the foundation and home, they would be making some noise."

So rest assured that your house is probably not possessed and instead it's just reacting to thermal changes.

The Coldest Temperatures in Sioux Falls History

When a polar vortex rolls through Sioux Falls, it can get even the heartiest dreaming of indoor fires, baking, and hot chocolate.

Mr. Bendo is tough enough but for the love of Pete, someone put a scarf on the Statue of David!

All this icy chatter had us wondering about the coldest days ever recorded in Sioux Falls. Here is the historical data from the National Weather Service with the coldest temps ever recorded in Sioux Falls since record-keeping began in 1893.

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