It got down to -47.1, a record. The -108 windchill was an all time US record.[0][1] [0] https://www.nytimes.com/2023/02/04/nyregion/mount-washington-cold-new-

It got down to -47.1, a record. The -108 windchill was an all time US record.[0][1] [0] https://www.nytimes.com/2023/02/04/nyregion/mount-washington-cold-new-hampshire.html https://www.nytimes.com/2023/02/04/nyregion/mount-washington... https://web.archive.org/web/20230204183149/https://www.nytimes.com/2023/02/04/nyregion/mount-washington-cold-new-hampshire.html/ https://web.archive.org/web/20230204183149/https://www.nytim... [1] https://www.mountwashington.org/experience-the-weather/mount-washington-weather.aspx https://www.mountwashington.org/experience-the-weather/mount...