Age of oldest person to reach the summit: 80.
Average expedition length: 39 days.
Age of Mount Everest: > 60 million years.
Fastest measured wind speed at the South Col (7,945 m [26,066.27 ft]): 66.4 m/s (148 mph).
Lowest measured temperature at the Balcony (8,430 m [27,657.48 ft]): -44.5°C (-48.1°F).