A standing rib ... 120 degrees, remove the roast from the oven, tent with foil and let it rest for 20 minutes. The temperature will continue to rise. Increase the oven temperature to 500 degrees.

and medium is 130 degrees. Prime rib is called a "standing" roast because of the way you cook it. Prime rib isn't at most steakhouses because it's too expensive. Restaurants around the country ...