Advancements during 2014 ranged from rocket testing to experiments aboard the International Space Station to landing a spaceship on a comet.
There were storms along the flight path, AccuWeather.com Meteorologist Dave Samuhel said.
Rain, snow, and unseasonably cold conditions will impact much of the West through the upcoming week with the threat of slippery travel in parts of the Southwest by midweek.
While lacking across a large part of the United States on Christmas Day, arctic air is set to make a comeback during the final days of 2014.
Ski areas will welcome the fresh power that will blanket mountains from the Alps and Apennines into the Balkans.
A storm will spread rain and disruptive snow across southeast Europe into Monday.
Gulf Coast (1982)
End of 4 days (25th-28th) of heavy rain (as much as 20" in some areas). Flooding from Beaumont, TX to Lake Charles, LA.
Erie, PA (1982)
70 degrees; 3rd time 70 degrees or higher this month, 5 record highs this month.
Eastern States (1992)
Freezing rain and sleet created icy roads over a large area from Virginia and washington, D.C. northward to eastern Pennsylvania, southeast New York, and southern New England.