Weather Records on 20 December 1921

101 weather records were set or tied worldwide on 20 December 1921. Highest significance: Jena Sternwarte, DE.

Key Facts for 20 December 1921

On 20 December 1921, 101 weather records were set or tied at long-record stations worldwide.
38 were record highs and 11 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 101 daily.
Jena Sternwarte set a daily record high minimum temperature of 6.8 C (44.2 F) on 20 December 1921.
Across 163 earlier years (1793 to 2025) the same calendar date averaged 469 records.

Record Map

101 stations

101 station records on 20 December 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 December 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jena Sternwarte	Germany	Record high minimum temperature	6.8 C (44.2 F)	35 of 100 (Notable)
Banff	Canada	Record low maximum temperature	-27.2 C (-17.0 F)	27 of 100 (Routine)
Werris Creek Post Office	Australia	Record daily precipitation	58.4 mm (2.3 in)	26 of 100 (Routine)
San Diego Wbo	United States	Record daily precipitation	53.1 mm (2.1 in)	26 of 100 (Routine)
Boggabri Post Office	Australia	Record daily precipitation	39.4 mm (1.6 in)	25 of 100 (Routine)
Winnemucca AP	United States	Record daily snowfall	10.2 cm (4.0 in)	24 of 100 (Routine)
Innisfail	Australia	Record daily precipitation	194.3 mm (7.6 in)	22 of 100 (Routine)
Banff	Canada	Record low minimum temperature	-40.6 C (-41.1 F)	21 of 100 (Routine)
Sarna	Sweden	Record daily precipitation	17.7 mm (0.7 in)	20 of 100 (Routine)
Woomera (Oakden Hills)	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
East Toorale (Toorale Station)	Australia	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Belton (Shadow Vale)	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Beltana	Australia	Record daily precipitation	7.4 mm (0.29 in)	20 of 100 (Routine)
Charlton	Australia	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Dumble	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Yacka	Australia	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Marree Comparison	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Vilnius	Lithuania	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Sveg	Sweden	Record daily precipitation	14.6 mm (0.6 in)	20 of 100 (Routine)
Orroroo	Australia	Record daily precipitation	2.5 mm (0.10 in)	20 of 100 (Routine)
Alice Springs Post Office	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Charlotte Waters	Australia	Record daily precipitation	9.4 mm (0.37 in)	20 of 100 (Routine)
Barkerville	Canada	Record low maximum temperature	-22.2 C (-8.0 F)	20 of 100 (Routine)
Olympia Priest Pt Park	United States	Record low minimum temperature	-6.1 C (21.0 F)	20 of 100 (Routine)
Quorn (Depot Flat)	Australia	Record daily precipitation	8.9 mm (0.35 in)	19 of 100 (Routine)
Armidale (Radio Station 2Ad)	Australia	Record daily precipitation	30.5 mm (1.2 in)	19 of 100 (Routine)
Ediacara	Australia	Record daily precipitation	4.6 mm (0.18 in)	18 of 100 (Routine)
Bute (Ninnes)	Australia	Record daily precipitation	7.9 mm (0.31 in)	18 of 100 (Routine)
Curraweena	Australia	Record daily precipitation	5.3 mm (0.21 in)	18 of 100 (Routine)
Calgary Int'l A	Canada	Record low minimum temperature	-35.0 C (-31.0 F)	18 of 100 (Routine)
Holmogadd A	Sweden	Record daily precipitation	9.0 mm (0.35 in)	18 of 100 (Routine)
Enngonia (Shearer Street)	Australia	Record daily precipitation	9.4 mm (0.37 in)	17 of 100 (Routine)
Merrywinbone (Oreel)	Australia	Record daily precipitation	16.8 mm (0.7 in)	17 of 100 (Routine)
Pilliga Post Office	Australia	Record daily precipitation	18.3 mm (0.7 in)	17 of 100 (Routine)
Portland Rfc City	United States	Record low maximum temperature	-2.8 C (27.0 F)	17 of 100 (Routine)
Tempe Downs	Australia	Record daily precipitation	10.7 mm (0.4 in)	16 of 100 (Routine)
Cradock	Australia	Record daily precipitation	15.5 mm (0.6 in)	16 of 100 (Routine)
Quorn	Australia	Record daily precipitation	1.5 mm (0.06 in)	16 of 100 (Routine)
Barkerville	Canada	Record low minimum temperature	-30.6 C (-23.1 F)	16 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high minimum temperature	5.0 C (41.0 F)	16 of 100 (Routine)
San Diego Wbo	United States	Record high minimum temperature	14.4 C (57.9 F)	16 of 100 (Routine)
Louisville	United States	Record high maximum temperature	22.2 C (72.0 F)	16 of 100 (Routine)
Emmaville Post Office	Australia	Record daily precipitation	37.3 mm (1.5 in)	15 of 100 (Routine)
Ebor (Wongwibinda)	Australia	Record daily precipitation	27.9 mm (1.1 in)	15 of 100 (Routine)
Mena	United States	Record high maximum temperature	20.6 C (69.1 F)	15 of 100 (Routine)
Olympia Priest Pt Park	United States	Record low maximum temperature	0.0 C (32.0 F)	15 of 100 (Routine)
Burra (Kooringa)	Australia	Record daily precipitation	3.6 mm (0.14 in)	14 of 100 (Routine)
Cobar (Lerida)	Australia	Record daily precipitation	5.3 mm (0.21 in)	14 of 100 (Routine)
Angledool (Angledool Station)	Australia	Record daily precipitation	2.5 mm (0.10 in)	14 of 100 (Routine)
Bremen-Seefahrtschule	Germany	Record daily precipitation	9.5 mm (0.37 in)	14 of 100 (Routine)
Kirchdorf/Poel	Germany	Record high maximum temperature	9.7 C (49.5 F)	14 of 100 (Routine)
Tenterden	Australia	Record daily precipitation	29.7 mm (1.2 in)	13 of 100 (Routine)
Helensburgh (Sawan St)	Australia	Record daily precipitation	13.7 mm (0.5 in)	13 of 100 (Routine)
Salzburg	Austria	Record high minimum temperature	5.5 C (41.9 F)	13 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record high maximum temperature	8.2 C (46.8 F)	13 of 100 (Routine)
Mena	United States	Record high minimum temperature	11.1 C (52.0 F)	13 of 100 (Routine)
Pine Bluff	United States	Record high maximum temperature	23.9 C (75.0 F)	13 of 100 (Routine)
Stuttgart	United States	Record high maximum temperature	22.2 C (72.0 F)	13 of 100 (Routine)
Mildura Post Office	Australia	Record high minimum temperature	23.3 C (73.9 F)	12 of 100 (Routine)
Hermannsburg	Australia	Record daily precipitation	4.8 mm (0.19 in)	11 of 100 (Routine)

Counts by Type and Timescale

101 records

Records set or tied on 20 December 1921 by type: Highest daily maximum 20, Lowest daily maximum 5, Highest daily minimum 18, Lowest daily minimum 6, Heaviest daily rainfall 51, Heaviest daily snowfall 1.

Records on 20 December 1921 by type
Record type	Records
Highest daily maximum	20
Lowest daily maximum	5
Highest daily minimum	18
Lowest daily minimum	6
Heaviest daily rainfall	51
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 20 December 1921 by timescale: all-time 0, monthly 0, daily 101.

How Much Records Were Beaten By

91 broken records

Margins by which the 91 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 95.2. Ties are not counted.

Top 20 by Significance

20 December 1921

Top 20 records on 20 December 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 December 1921	Jena Sternwarte, DE	daily high min	6.8 C (44.2 F)	0.2 C (0.4 F)	87 years	35 of 100 (Notable)
20 December 1921	Banff, CA	daily low max	-27.2 C (-17.0 F)	10.5 C (18.9 F)	28 years	27 of 100 (Routine)
20 December 1921	Werris Creek Post Office, AU	daily rain	58.4 mm (2.3 in)	22.1 mm (0.9 in)	28 years	26 of 100 (Routine)
20 December 1921	San Diego Wbo, US	daily rain	53.1 mm (2.1 in)	7.6 mm (0.30 in)	41 years	26 of 100 (Routine)
20 December 1921	Boggabri Post Office, AU	daily rain	39.4 mm (1.6 in)	23.7 mm (0.9 in)	23 years	25 of 100 (Routine)
20 December 1921	Winnemucca AP, US	daily snowfall	10.2 cm (4.0 in)	5.1 cm (2.0 in)	22 years	24 of 100 (Routine)
20 December 1921	Innisfail, AU	daily rain	194.3 mm (7.6 in)	95.2 mm (3.7 in)	4 years	22 of 100 (Routine)
20 December 1921	Banff, CA	daily low min	-40.6 C (-41.1 F)	15.0 C (27.0 F)	4 years	21 of 100 (Routine)
20 December 1921	Sarna, SE	daily rain	17.7 mm (0.7 in)	10.5 mm (0.4 in)	27 years	20 of 100 (Routine)
20 December 1921	Woomera (Oakden Hills), AU	daily rain	11.7 mm (0.5 in)	11.7 mm (0.5 in)	41 years	20 of 100 (Routine)
20 December 1921	East Toorale (Toorale Station), AU	daily rain	24.6 mm (1.0 in)	18.8 mm (0.7 in)	33 years	20 of 100 (Routine)
20 December 1921	Belton (Shadow Vale), AU	daily rain	15.2 mm (0.6 in)	15.2 mm (0.6 in)	36 years	20 of 100 (Routine)
20 December 1921	Beltana, AU	daily rain	7.4 mm (0.29 in)	7.4 mm (0.29 in)	46 years	20 of 100 (Routine)
20 December 1921	Charlton, AU	daily rain	20.6 mm (0.8 in)	17.6 mm (0.7 in)	23 years	20 of 100 (Routine)
20 December 1921	Dumble, AU	daily rain	21.6 mm (0.9 in)	18.8 mm (0.7 in)	23 years	20 of 100 (Routine)
20 December 1921	Yacka, AU	daily rain	17.0 mm (0.7 in)	15.5 mm (0.6 in)	11 years	20 of 100 (Routine)
20 December 1921	Marree Comparison, AU	daily rain	12.7 mm (0.5 in)	12.7 mm (0.5 in)	35 years	20 of 100 (Routine)
20 December 1921	Vilnius, LT	daily rain	10.2 mm (0.4 in)	5.0 mm (0.20 in)	8 years	20 of 100 (Routine)
20 December 1921	Sveg, SE	daily rain	14.6 mm (0.6 in)	6.9 mm (0.27 in)	2 years	20 of 100 (Routine)
20 December 1921	Orroroo, AU	daily rain	2.5 mm (0.10 in)	2.5 mm (0.10 in)	47 years	20 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

1793 to 1921

Records set or tied on this calendar date in each year from 1793 to 1921. 1921 had 101 records.

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

Records on 12-20 in each year
Year	Records
1793	1
1795	1
1804	1
1805	2
1808	1
1815	1
1828	1
1837	1
1846	1
1855	8
1858	1
1860	1
1866	1
1867	1
1868	1
1869	1
1871	2
1874	3
1875	1
1877	2
1878	1
1879	1
1880	1
1881	1
1882	1
1884	4
1885	1
1886	4
1889	4
1890	2
1891	2
1892	1
1894	2
1895	8
1896	1
1897	4
1898	2
1899	1
1900	7
1901	8
1902	14
1903	17
1904	9
1905	5
1906	5
1907	11
1908	5
1909	22
1910	17
1911	24
1912	27
1913	7
1914	43
1915	18
1916	45
1917	33
1918	18
1919	25
1920	22
1921	101
1922	88
1923	215
1924	332
1925	96
1926	163
1927	200
1928	93
1929	256
1930	67
1931	536
1932	170
1933	492
1934	265
1935	152
1936	416
1937	181
1938	240
1939	308
1940	965
1941	633
1942	817
1943	193
1944	340
1945	430
1946	327
1947	385
1948	345
1949	1,141
1950	758
1951	926
1952	394
1953	385
1954	416
1955	726
1956	471
1957	1,354
1958	382
1959	142
1960	354
1961	369
1962	475
1963	875
1964	499
1965	353
1966	555
1967	1,370
1968	482
1969	514
1970	518
1971	441
1972	448
1973	1,184
1974	328
1975	610
1976	382
1977	484
1978	910
1979	600
1980	667
1981	1,681
1982	712
1983	2,995
1984	1,411
1985	1,035
1986	321
1987	1,179
1988	760
1989	1,812
1990	1,885
1991	1,172
1992	1,134
1993	1,266
1994	813
1995	1,128
1996	1,448
1997	651
1998	1,110
1999	938
2000	1,150
2001	523
2002	943
2003	1,315
2004	836
2005	515
2006	1,387
2007	986
2008	1,356
2009	1,502
2010	2,055
2011	846
2012	1,131
2013	584
2014	524
2015	1,238
2016	603
2017	688
2018	592
2019	731
2020	554
2021	442
2022	567
2023	1,242
2024	897
2025	1,166

Download the Data

Data for records on 1921-12-20: 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	87
20 to 40	2
40 to 60	1
60 to 80	0
80 to 100	1