Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. Snowfall records are reviewed and updated yearly. The earliest sunset is 3:40 PM on December 16 and the latest sunset is 2 hours, 44 minutes later at 6:24 PM on February 29. Greatest Amount of Snow in Three Days.