What is the coldest temperature that Nascar has ever raced in?

Just curious on what is the coldest temperature that Nascar Sprint Series has ever raced in.

who was the master at the Rockingham Speedway when Nascar raced there?

who in Nascar was the best at getting the job done to go to victory lane at the Rockingham Speedway track? do you think Nascar will ever return there again. Maybe the Nationwide, or the Truck Series can go there.

How different would NASCAR be if Bill Elliott had never raced?

I’ve often wondered if I would’ve become a NASCAR fan if Bill Elliott, my favorite of all time, had never raced.

What is the hottest temperature that Nascar has ever raced in?

Just wanted to know what is the hottest temperature that Nascar has ever raced in. Also, how hot can it get in the race cars and why does it get so hot in there?