Not even, Calgary. News article from 2019: https://www.cbc.ca/news/canada/calgary/frozen-pipes-homeowners-frosted-calgary-1.5051182 https://www.cbc.ca/news/cana

Not even, Calgary. News article from 2019: https://www.cbc.ca/news/canada/calgary/frozen-pipes-homeowners-frosted-calgary-1.5051182 https://www.cbc.ca/news/canada/calgary/frozen-pipes-homeowne... As alluded to in the article, some people were still having to run their taps for weeks after the deep freeze was over due to the frost depth.