Wyoming has two of the 50 coldest cities in the country, according to a new study based on statistics from the National Oceanic and Atmospheric Administration. The study compared over 250 cities with a population over 10,000 based on the average low temperature in the coldest month of the year from 1981 to 2010.

Sheridan ranked 21st nationwide, with an average low temperature of 10.6 degrees and an average wind speed just over 7 miles per hour during the month of January. Casper ranked 34th with an average low temperature of 13 and an average wind speed of 12 miles per hour in January. Scottsbluff, Neb. was ranked the 30th coldest city with an average low of 12.5 degrees in January and an average wind speed close to 10 miles per hour.

Fairbanks, Alaska, finished first in the study, followed by Grand Forks, Williston, and Fargo, North Dakota. Duluth, Minnesota rounded out the top five.

While Sheridan and Casper rank among the coldest cities in America with a population over 10,000, the tiny town of Bondurant, population 93, is the coldest place in the Cowboy State, with an average low of -3.1 in January. In a typical year, the low temperature in Bondurant will fall below freezing 264.9 days.