how big is the world's largest hailstone
The old record for the largest hailstone had a diameter of 5.7 (14.5 centimeters) inches, a circumference of 17.5 inches (44.5 centimeters), and was found in Coffeyville, Kansas, on September 3, 1970. The previous longstanding record was believed to be a hailstone which fell at Potter, Nebraska on July 6, 1928.