the largest official documented 24 hour snowfall recorded in the lower 48 states was 76 inches at Silver Lake, Colorado on 14-15 April, 1921. Larger amounts have no doubt occurred in mountainous regions over the years

What are the record 24-hr snowfalls by state in the U.S.?

Snowfall records by state in the U. S. (24 hours)

NOTE: Extreme snowfall amounts are notoriously variable across a region, especially in the mountains, so since there are relatively few official snowfall observation sites, most of the following records have likely been exceeded at other locations and times.
State Location 24-hr Snowfall Date
Alabama Walunt Grove20.0 in.March 13, 1993
Arizona Heber Ranger Stn
Alpine
38.0 in.December 14, 1967
February 25, 1987
Arkansas Corning25.0 in.January 22, 1918
California Echo Summit Sierra at Tahoe67.0 in.January 5, 1982
Colorado Silver Lake75.8 in.April 14-15, 1921
Connecticut Ansonia36.0 in.February 8-9, 2013
Delaware Dover25.0 in.February 19, 1979
Florida Milton Exp. Stn.4.0 in.March 6, 1954
Georgia Cedartown 3NE19.3 in.March 3, 1942
Idaho Anderson Dam31.0 in.December 18, 1967
Illinois Astoria36.0 in.February 28, 1900
Indiana Salem33.0 in.December 23, 2004
Iowa Lenox24.0 in.April 20, 1918
Kansas Pratt30.0 in.March 28, 2009
Kentucky Simers26.0 in.March 3, 1942
Louisiana Colfax13.0 in.February 13, 1960
Maine Orono40.0 in.December 30, 1962
Maryland Clear Spring 1ENE31.0 in.March 29, 1942
Massachusetts Natick29.0 in.April 1, 1997
Michigan Herman32.0 in.December 2, 1985
Minnesota Wolf Ridge ELC36.0 in.January 7, 1994
Mississippi Mt. Pleasant
Tunica 2
18.0 in.December 23, 1963
Missouri Cape Girardeau
Jackson
24.0 in.February 25, 1979
Montana Shonkin 7S
Millegan 14SE
48.0 in.May 29, 1982
December 27, 2003
Nebraska Dalton27.0 in.December 21, 2006
Nevada Dagget Pass36.0 in.December 21, 1996
New Hampshire Mount Washington49.3 in.February 25, 1969
New Jersey Charlotteburg Reservoir32.0 in.December 14, 1915
New Mexico Kelly Ranch41.0 in.February 3, 1964
New York Watertown49.0 in.November 14-15, 1900
North Carolina Mount Mitchell36.0 in.March 13, 1993
North Dakota Minot Airport27.0 in.April 27, 1984
Ohio Warren 3S30.0 in.April 20, 1901
Oklahoma Woodward
Freedom
26.0 in.March 28, 2009
Oregon Hood River ES47.0 in.January 9, 1980
Pennsylvania Morgantown38.0 in.March 20, 1958
Rhode Island Woonsocket30.0 in.February 7, 1978
South Carolina Rimini 2SSW24.0 in.February 9-10, 1973
South Dakota Lead52.0 in.March 14, 1973
Tennessee Mt. Leconte30.0 in.March 14, 1993
Texas Follett25.0 in.March 28, 2009
Utah Alta38.0 in.December 2, 1982
Vermont Jay Peak42.0 in.February 5, 1995
Virginia Luray 5E33.5 in.March 3, 1994
Washington Crystal Mountain Ski Resort65.0 in.February 24, 1994
West Virginia Flat Top35.0 in.January 27-28, 1998
Wisconsin Neillsville26.0 in.December 26-27, 1904
Wyoming Hunter Station49.0 in.March 21, 1924
Alaska Mile 47 Camp78.0 in.February 9, 1963
Hawaii Haleakali (Maui)6.5 in.February 2, 1936
Puerto Rico N/A0.0 in.N/A
Virgin Islands N/A0.0 in.N/A
(page last updated 5/30/2013)
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