re: #34 Quoth the raven, Covfefe.
Colorado has two locations that have recorded -60° F or lower. Maybell, CO (NW corner of the state) -61°, 1 February 1985 and Taylor Park, CO (35 miles ENE of Gunnison) with -60°, twice, once on 1 February 1951 and on 1 February 1985.