What is the most snowfall ever recorded in the world?

Most in one-year period: 31.1 meters (102 ft); Mount Rainer, Washington, United States, February 19, 1971 to February 18, 1972.

Most in one season (1 July--30 June): 29.0 meters, (95 ft); Mount Ranger, Washington, United States, 1998 through 1999.

Largest snowflake ever observed: 38 centimeters (15 in) in diameter; Fort Keogh, Montana, United States, 1887-01-28.