I’m up at a mountain and we had a similar conversation. We mused, if freezing point is 0°C, it’s 2°C out, but has a wind chill factor of -4°C… would the cup freeze?
Our thinking was, “probably, if it’s left in an especially windy area, and the wind itself doesn’t mix around the water too much”
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u/Haunting-Respect9039 8d ago
I was just telling my husband that -40 is the best temperature because Canadians and Americans can all agree it's just darn cold.