Greatest snowfall in 12 months

Greatest snowfall in 12 months
Who
Paradise
What
31102 millimetre(s)
Where
United States (Mt. Rainier,)
When
18 February 1972
Over a 12-month period from 19 Feb 1971 to 18 Feb 1972, 31,102 mm 1,224½ in of snow fell at Paradise, Mt Rainier, Washington, USA.