alt Hacker NewsIn the same way, I have absolutely zero idea of what 90, 70 or 50 degrees Fahrenheit feels like - literally no intuition, those numbers seem foreign and disconnected from my experience, having always known and used Celsius. Celsius temperatures just make sense to me. It's literally just about growing up with it.
It's what someone might come up with without a scientific definition. Think of 0 - 100 F being (very very roughly) the survivable range for humans without special precautions beyond normal winter/summer clothes. -18 - 38 C is way more arbitrary from that perspective.