Ottawa's potholes explained: January was one long freeze-thaw cycle
Ottawa & R

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By Tom Spears, Ottawa Sun, February 1, 2017

Ottawa has just finished the third-warmest January in 80 years.

But the real news was that the temperature kept hopping up and down across the freezing point, jumping back and forth like a sugared-up three-year-old.

“I bet you have potholes,” said David Phillips of Environment Canada’s Toronto office.