A difficult question to answer precisely. According to the NOAA snowfall map, the greatest recorded daily snowfall in Colorado was 63 inches, in Georgetown, on December 4, 1913. They also record figures for 2-7 day snowstorms and a few other stats. URL: http://www.ncdc.noaa.gov/ussc/USSCAppController?action=map
The world record for the most snowfall in a 24-hour period is 75.8 inches (192.5 cm), recorded at Silver Lake, Colorado, USA on April 14-15, 1921.
Colorado
The 24-hour snowfall record in the US is 75.8 inches, which was recorded in Silver Lake, Colorado on April 14-15, 1921.
The record for 24 hour snowfall in the US occurred on February 9, 1963 at the Mile 47 Camp in Alaska. There were 78 inches of snowfall that day.
3 foot of snow
Niseko, in Japan, has the record for the second highest annual snowfall.
40 inches
10"
Jan.1967
Sept 5
yes
See the related link. Snowfall in 1995-96 was about 108", the most on record.