First Snowfall After Summer Dates Ranked

GRAPH first, then the table:

first snow dates

 

 

Listed from earliest first snowfall (September 29) to latest first snowfall (December 31).  
Data: 1897-2023 (127 years)

LY = Leap Year (more information about this below the table)

Recent standard 30-year normal (1991-2020) is day 324, November 20

YearMonthDayDay # 
1985Sep29272.
1970Oct9282.
2009Oct10283.
1987Oct10283.
1932Oct10284LY
2018Oct14287.
1898Oct17291.
1976Oct18292LY
1916Oct19294LY
1996Oct22296LY
1979Oct22295.
2002Oct23296.
2020Oct25299LY
1997Oct26299.
1980Oct27301LY
1925Oct27301.
2019Oct28301.
1913Oct28302.
1923Oct29303.
1917Oct29303.
1905Oct30304.
1991Oct31304.
1941Oct31305.
1986Nov1305.
1928Nov1306LY
1955Nov2306.
1951Nov4308.
1959Nov5309.
2000Nov6311LY
1992Nov6311LY
1947Nov6311.
1938Nov6310.
1953Nov7311.
1943Nov7311.
1950Nov8312.
1945Nov8313.
1926Nov8312.
1984Nov9314LY
1983Nov9313.
1977Nov9313.
1968Nov9314LY
1946Nov9314.
2014Nov10314.
1995Nov10314.
1904Nov10315LY
1940Nov11315LY
1929Nov12316.
1919Nov12316.
1909Nov12316.
1974Nov13317.
1972Nov13318LY
1908Nov13318LY
1906Nov13317.
1969Nov14318.
2005Nov15319.
1993Nov15319.
1988Nov15320LY
1961Nov15319.
1956Nov15320LY
1935Nov15319.
1978Nov16320.
1957Nov16320.
1930Nov16320.
1903Nov16320.
1958Nov17321.
1911Nov17321.
1966Nov18322.
1937Nov18322.
1927Nov18322.
1981Nov19323.
1962Nov19323.
1948Nov19324LY
1944Nov19325LY
1975Nov20324.
2013Nov21325.
2007Nov21325.
1900Nov21326LY
1971Nov22326.
1918Nov22326.
2003Nov23327.
1942Nov23327.
2023Nov25329 
1952Nov25329LY
1931Nov26330.
1897Nov26330.
1989Nov27331.
1924Nov27332LY
1921Nov27331.
2004Nov28333LY
1994Nov28332.
1902Nov28332.
1964Nov29333LY
1920Nov29334LY
1910Nov29333.
2015Nov30334.
1934Nov30334.
1990Dec2336.
2016Dec3338LY
2011Dec3337.
2008Dec3338LY
1973Dec4338.
1936Dec5340LY
1912Dec5340LY
1901Dec5339.
1967Dec8342.
1954Dec8342.
1914Dec9343.
2021Dec10345.
1963Dec10344.
1899Dec10344.
2010Dec11345.
1999Dec14348.
1965Dec14348.
1922Dec14348.
1915Dec16350.
2017Dec17352.
1907Dec17351.
2001Dec18352.
2012Dec19354LY
2022Dec19354.
1998Dec20354.
1960Dec20354LY
1949Dec21355.
1939Dec23357.
1933Dec26360.
1982Dec27361.
2006Dec31365.

 

*Calendar Day = the calendar day converted to the day of the year. Calendar Day ranges from January 1 =1 to December 31 = 365 (366 during Leap Years).
For example, first snowfall November 9, 1984 (a Leap Year) = Calendar Day 314 November 9, 1983 = Calendar Day 313

 

Day of the year (DOTY), non-leap years:
 

 JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
             
11326091121152182213244274305335
22336192122153183214245275306336
33346293123154184215246276307337
44356394124155185216247277308338
55366495125156186217248278309339
             
66376596126157187218249279310340
77386697127158188219250280311341
88396798128159189220251281312342
99406899129160190221252282313343
10104169100130161191222253283314344
             
11114270101131162192223254284315345
12124371102132163193224255285316346
13134472103133164194225256286317347
14144573104134165195226257287318348
15154674105135166196227258288319349
             
16164775106136167197228259289320350
17174876107137168198229260290321351
18184977108138169199230261291322352
19195078109139170200231262292323353
20205179110140171201232263293324354
             
21215280111141172202233264294325355
22225381112142173203234265295326356
23235482113143174204235266296327357
24245583114144175205236267297328358
25255684115145176206237268298329359
             
26265785116146177207238269299330360
27275886117147178208239270300331361
28285987118148179209240271301332362
2929*6088119149180210241272302333363
3030 89120150181211242273303334364
3131 90 151 212243 304 365

* Feb 29 exists only in a leap year.

During leap years, add 1 day to all days March 1-December 31.
All data in this table are from the National Weather Service and HPRCC data archives.