Weather Records on 4 December 1921

60 weather records were set or tied worldwide on 4 December 1921. Highest significance: Moorestown 4 E, US.

Key Facts for 4 December 1921

On 4 December 1921, 60 weather records were set or tied at long-record stations worldwide.
11 were record highs and 8 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 58 daily.
Moorestown 4 E set a daily record snowfall of 17.8 cm (7.0 in) on 4 December 1921.
Across 166 earlier years (1796 to 2025) the same calendar date averaged 466 records.

Record Map

60 stations

60 station records on 4 December 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 December 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Moorestown 4 E	United States	Record daily snowfall	17.8 cm (7.0 in)	36 of 100 (Notable)
Washington	United States	Record daily snowfall	11.4 cm (4.5 in)	30 of 100 (Routine)
Philadelphia City	United States	Record daily snowfall	14.7 cm (5.8 in)	29 of 100 (Routine)
Genoa (Gipsy Point)	Australia	Record daily precipitation	48.0 mm (1.9 in)	28 of 100 (Routine)
Vineland	United States	Record daily snowfall	15.2 cm (6.0 in)	28 of 100 (Routine)
Grenfell	Canada	Record high minimum temperature	1.1 C (34.0 F)	22 of 100 (Routine)
Kanmantoo	Australia	Record daily precipitation	3.3 mm (0.13 in)	20 of 100 (Routine)
Harrisburg - Coop	United States	Record daily snowfall	10.7 cm (4.2 in)	20 of 100 (Routine)
Astrakan	Russia	Record low minimum temperature	-15.0 C (5.0 F)	19 of 100 (Routine)
Mannanarie Post Office	Australia	Record daily precipitation	6.4 mm (0.25 in)	16 of 100 (Routine)
Balaklava	Australia	Record daily precipitation	1.3 mm (0.05 in)	16 of 100 (Routine)
Mundoolin	Australia	Record daily precipitation	123.2 mm (4.9 in)	16 of 100 (Routine)
Eversley	Australia	Record daily precipitation	11.9 mm (0.5 in)	16 of 100 (Routine)
Bonang (Goomgerah)	Australia	Record daily precipitation	37.8 mm (1.5 in)	16 of 100 (Routine)
Atlantic City Marina	United States	Record daily snowfall	8.6 cm (3.4 in)	16 of 100 (Routine)
Blyth	Australia	Record daily precipitation	1.8 mm (0.07 in)	15 of 100 (Routine)
Delegate (Weewalla)	Australia	Record daily precipitation	22.9 mm (0.9 in)	15 of 100 (Routine)
Bonang	Australia	Record daily precipitation	50.8 mm (2.0 in)	15 of 100 (Routine)
Bridgeton 1 NE	United States	Record daily snowfall	10.2 cm (4.0 in)	15 of 100 (Routine)
Kapunda Reservoir	Australia	Record daily precipitation	3.3 mm (0.13 in)	14 of 100 (Routine)
Goulburn (Kippilaw)	Australia	Record daily precipitation	25.4 mm (1.0 in)	14 of 100 (Routine)
Hohenpeissenberg	Germany	Record low maximum temperature	-6.3 C (20.7 F)	14 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record low minimum temperature	-18.4 C (-1.1 F)	14 of 100 (Routine)
Sheffield	United Kingdom	Record low minimum temperature	-3.3 C (26.1 F)	14 of 100 (Routine)
Clare (Hill River)	Australia	Record daily precipitation	3.0 mm (0.12 in)	13 of 100 (Routine)
Yacka	Australia	Record daily precipitation	2.0 mm (0.08 in)	13 of 100 (Routine)
Hallett	Australia	Record daily precipitation	2.5 mm (0.10 in)	12 of 100 (Routine)
Kapunda	Australia	Record daily precipitation	1.8 mm (0.07 in)	12 of 100 (Routine)
Uraidla	Australia	Record daily precipitation	5.1 mm (0.20 in)	11 of 100 (Routine)
Murtoa	Australia	Record daily precipitation	10.4 mm (0.4 in)	11 of 100 (Routine)
Edmonton	Canada	Record high minimum temperature	0.6 C (33.1 F)	11 of 100 (Routine)
Arnsberg	Germany	Record low minimum temperature	-12.1 C (10.2 F)	11 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record low minimum temperature	-18.6 C (-1.5 F)	11 of 100 (Routine)
Brinkworth (Bungaree)	Australia	Record daily precipitation	5.6 mm (0.22 in)	10 of 100 (Routine)
Clare Post Office	Australia	Record daily precipitation	4.1 mm (0.16 in)	10 of 100 (Routine)
Snowtown	Australia	Record daily precipitation	0.8 mm (0.03 in)	10 of 100 (Routine)
Burwood 1	Australia	Record daily precipitation	14.0 mm (0.6 in)	10 of 100 (Routine)
Fort Chipewyan	Canada	Record high minimum temperature	-3.9 C (25.0 F)	10 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record low maximum temperature	-13.5 C (7.7 F)	10 of 100 (Routine)
Durdidwarrah	Australia	Record daily precipitation	18.0 mm (0.7 in)	9 of 100 (Routine)
Lock #4	United States	Record daily precipitation	13.7 mm (0.5 in)	9 of 100 (Routine)
Burra (Kooringa)	Australia	Record daily precipitation	2.0 mm (0.08 in)	8 of 100 (Routine)
Mintaro	Australia	Record daily precipitation	2.5 mm (0.10 in)	8 of 100 (Routine)
Towaninnie	Australia	Record daily precipitation	5.8 mm (0.23 in)	8 of 100 (Routine)
Longerenong	Australia	Record daily precipitation	9.4 mm (0.37 in)	8 of 100 (Routine)
Swift Current	Canada	Record high minimum temperature	0.0 C (32.0 F)	8 of 100 (Routine)
Kvikkjokk-Arrenjarka	Sweden	Record high minimum temperature	-1.0 C (30.2 F)	8 of 100 (Routine)
Greenock	Australia	Record daily precipitation	5.1 mm (0.20 in)	7 of 100 (Routine)
Saddleworth	Australia	Record daily precipitation	1.8 mm (0.07 in)	7 of 100 (Routine)
Mount Torrens	Australia	Record daily precipitation	2.5 mm (0.10 in)	7 of 100 (Routine)
Callington	Australia	Record daily precipitation	1.3 mm (0.05 in)	7 of 100 (Routine)
Medicine Hat A	Canada	Record high minimum temperature	1.7 C (35.1 F)	7 of 100 (Routine)
Battleford	Canada	Record high minimum temperature	-2.2 C (28.0 F)	6 of 100 (Routine)
Mackay Post Office	Australia	Record high minimum temperature	24.7 C (76.5 F)	5 of 100 (Routine)
Jeruk	Australia	Record daily precipitation	5.1 mm (0.20 in)	5 of 100 (Routine)
Belair (State Flora Nursery)	Australia	Record daily precipitation	1.5 mm (0.06 in)	2 of 100 (Routine)
Belle Isle	Canada	Record high minimum temperature	-3.9 C (25.0 F)	2 of 100 (Routine)
Weldon	United States	Record high maximum temperature	19.4 C (66.9 F)	2 of 100 (Routine)
Battleford	Canada	Record high maximum temperature	7.2 C (45.0 F)	1 of 100 (Routine)
Santa Fe	United States	Record low minimum temperature	-12.8 C (9.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

60 records

Records set or tied on 4 December 1921 by type: Highest daily maximum 2, Lowest daily maximum 2, Highest daily minimum 9, Lowest daily minimum 6, Heaviest daily rainfall 34, Heaviest daily snowfall 7.

Records on 4 December 1921 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	2
Highest daily minimum	9
Lowest daily minimum	6
Heaviest daily rainfall	34
Heaviest daily snowfall	7
Deepest snow cover	0

Records on 4 December 1921 by timescale: all-time 0, monthly 2, daily 58.

How Much Records Were Beaten By

55 broken records

Margins by which the 55 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

4 December 1921

Top 20 records on 4 December 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 December 1921	Moorestown 4 E, US	daily snowfall	17.8 cm (7.0 in)	12.7 cm (5.0 in)	20 years	36 of 100 (Notable)
4 December 1921	Washington, US	daily snowfall	11.4 cm (4.5 in)	11.1 cm (4.4 in)	11 years	30 of 100 (Routine)
4 December 1921	Philadelphia City, US	daily snowfall	14.7 cm (5.8 in)	12.2 cm (4.8 in)	14 years	29 of 100 (Routine)
4 December 1921	Genoa (Gipsy Point), AU	daily rain	48.0 mm (1.9 in)	35.8 mm (1.4 in)	16 years	28 of 100 (Routine)
4 December 1921	Vineland, US	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	14 years	28 of 100 (Routine)
4 December 1921	Grenfell, CA	monthly high min	1.1 C (34.0 F)	1.7 C (3.1 F)	25 years	22 of 100 (Routine)
4 December 1921	Kanmantoo, AU	daily rain	3.3 mm (0.13 in)	3.3 mm (0.13 in)	46 years	20 of 100 (Routine)
4 December 1921	Harrisburg - Coop, US	daily snowfall	10.7 cm (4.2 in)	6.4 cm (2.5 in)	14 years	20 of 100 (Routine)
4 December 1921	Astrakan, RU	daily low min	-15.0 C (5.0 F)	5.1 C (9.2 F)	24 years	19 of 100 (Routine)
4 December 1921	Mannanarie Post Office, AU	daily rain	6.4 mm (0.25 in)	5.6 mm (0.22 in)	25 years	16 of 100 (Routine)
4 December 1921	Balaklava, AU	daily rain	1.3 mm (0.05 in)	1.3 mm (0.05 in)	36 years	16 of 100 (Routine)
4 December 1921	Mundoolin, AU	monthly rain	123.2 mm (4.9 in)	0.5 mm (0.02 in)	10 years	16 of 100 (Routine)
4 December 1921	Eversley, AU	daily rain	11.9 mm (0.5 in)	10.4 mm (0.4 in)	16 years	16 of 100 (Routine)
4 December 1921	Bonang (Goomgerah), AU	daily rain	37.8 mm (1.5 in)	12.4 mm (0.5 in)	29 years	16 of 100 (Routine)
4 December 1921	Atlantic City Marina, US	daily snowfall	8.6 cm (3.4 in)	6.3 cm (2.5 in)	10 years	16 of 100 (Routine)
4 December 1921	Blyth, AU	daily rain	1.8 mm (0.07 in)	1.3 mm (0.05 in)	35 years	15 of 100 (Routine)
4 December 1921	Delegate (Weewalla), AU	daily rain	22.9 mm (0.9 in)	8.4 mm (0.33 in)	16 years	15 of 100 (Routine)
4 December 1921	Bonang, AU	daily rain	50.8 mm (2.0 in)	12.7 mm (0.5 in)	16 years	15 of 100 (Routine)
4 December 1921	Bridgeton 1 NE, US	daily snowfall	10.2 cm (4.0 in)	6.4 cm (2.5 in)	14 years	15 of 100 (Routine)
4 December 1921	Kapunda Reservoir, AU	daily rain	3.3 mm (0.13 in)	2.3 mm (0.09 in)	25 years	14 of 100 (Routine)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1796 to 1921

Records set or tied on this calendar date in each year from 1796 to 1921. 1921 had 60 records.

Counts for years before the ledger starts come from the same station rules.

Records on 12-04 in each year
Year	Records
1796	2
1797	1
1810	2
1823	1
1829	2
1846	1
1847	1
1849	1
1850	1
1852	3
1854	1
1855	5
1856	2
1858	1
1859	1
1860	1
1861	1
1865	1
1866	1
1867	1
1868	2
1870	3
1872	1
1873	1
1875	2
1876	1
1878	1
1879	7
1882	3
1883	2
1885	1
1886	4
1887	1
1888	1
1889	1
1891	4
1892	9
1896	2
1897	5
1898	9
1899	3
1900	13
1901	7
1902	15
1903	7
1904	6
1905	16
1906	25
1907	5
1908	8
1909	45
1910	7
1911	27
1912	46
1913	59
1914	61
1915	61
1916	95
1917	31
1918	27
1919	94
1920	54
1921	60
1922	72
1923	142
1924	129
1925	266
1926	174
1927	184
1928	143
1929	432
1930	221
1931	411
1932	265
1933	524
1934	149
1935	330
1936	637
1937	148
1938	275
1939	443
1940	600
1941	1,326
1942	450
1943	259
1944	377
1945	332
1946	515
1947	577
1948	504
1949	120
1950	852
1951	583
1952	269
1953	738
1954	689
1955	811
1956	692
1957	350
1958	529
1959	212
1960	628
1961	570
1962	574
1963	285
1964	1,195
1965	590
1966	1,047
1967	428
1968	775
1969	366
1970	933
1971	768
1972	1,973
1973	1,124
1974	651
1975	757
1976	669
1977	654
1978	1,582
1979	943
1980	976
1981	638
1982	2,138
1983	1,284
1984	796
1985	1,239
1986	549
1987	624
1988	764
1989	1,541
1990	1,164
1991	1,178
1992	1,075
1993	708
1994	1,029
1995	972
1996	684
1997	654
1998	2,549
1999	930
2000	895
2001	974
2002	1,478
2003	595
2004	721
2005	1,075
2006	1,510
2007	1,005
2008	652
2009	1,114
2010	1,874
2011	1,252
2012	1,482
2013	1,227
2014	629
2015	428
2016	533
2017	607
2018	563
2019	522
2020	424
2021	942
2022	437
2023	736
2024	590
2025	535

Download the Data

Data for records on 1921-12-04: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	47
20 to 40	1
40 to 60	0
60 to 80	3
80 to 100	0
100 to 120	2
120 to 140	2