Oregon cold snaps seem mild, but one sank a ship

When the mercury dropped below 20 degrees for six weeks, a six-inch layer of ice formed on many Willamette Valley lakes — and locals took up ice skating. And five years earlier, it got so cold, a newly built steamship actually cracked in half. (Willamette Valley; 1940s) (For text and pictures, see https://offbeatoregon.com/1705c.ice-skating-cottage-grove-lake-444.html)