1) This week I went from 70°F temps in Atlanta to -40°F temps in Minnesota. And no, that is not a typo, I really did experience a 110°F temperature drop. I think that is an all-time record for me. (That's 22°C to -40°C for you European folks).
2) Here is a tidbit of the day for you: -40° is exactly the same in Fahrenheit and Celsius. Unfortunately this knowledge dates back to previous experiences with these (literally) mind-numbing temps.
3) This audio clip has been making the rounds in Minnesota. It is possibly only funny if you are from Minnesota, but check it out anyways: