Weather Records on 12 December 1921

63 weather records were set or tied worldwide on 12 December 1921. Highest significance: Durban-Botanical Gardens, ZA.

Key Facts for 12 December 1921

On 12 December 1921, 63 weather records were set or tied at long-record stations worldwide.
32 were record highs and 10 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 62 daily.
Durban-Botanical Gardens set a daily record precipitation of 64.3 mm (2.5 in) on 12 December 1921.
Across 153 earlier years (1796 to 2025) the same calendar date averaged 471 records.

Record Map

63 stations

63 station records on 12 December 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 December 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Durban-Botanical Gardens	South Africa	Record daily precipitation	64.3 mm (2.5 in)	31 of 100 (Routine)
Astrakan	Russia	Record low minimum temperature	-22.6 C (-8.7 F)	28 of 100 (Routine)
Willowvale (Tnk)	South Africa	Record daily precipitation	54.4 mm (2.1 in)	24 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high maximum temperature	28.9 C (84.0 F)	23 of 100 (Routine)
Agassiz Cda	Canada	Record daily precipitation	66.5 mm (2.6 in)	21 of 100 (Routine)
Whitehead	Canada	Record daily precipitation	35.6 mm (1.4 in)	21 of 100 (Routine)
Kirov	Russia	Record daily precipitation	9.8 mm (0.39 in)	20 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record low minimum temperature	-28.5 C (-19.3 F)	19 of 100 (Routine)
Huron Rgnl AP	United States	Record high minimum temperature	1.7 C (35.1 F)	19 of 100 (Routine)
Fergana	Uzbekistan	Record daily precipitation	5.2 mm (0.20 in)	19 of 100 (Routine)
Isidinge (Bos)	South Africa	Record daily precipitation	24.1 mm (0.9 in)	18 of 100 (Routine)
Astoria	United States	Record high minimum temperature	10.0 C (50.0 F)	18 of 100 (Routine)
Port Arthur	Canada	Record daily snowfall	4.8 cm (1.9 in)	17 of 100 (Routine)
Kiev	Ukraine	Record low maximum temperature	-18.7 C (-1.7 F)	17 of 100 (Routine)
Franklin	United States	Record high maximum temperature	21.1 C (70.0 F)	17 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record high maximum temperature	19.4 C (66.9 F)	17 of 100 (Routine)
Winnemucca AP	United States	Record high maximum temperature	15.6 C (60.1 F)	17 of 100 (Routine)
Qu'appelle	Canada	Record high minimum temperature	-0.6 C (30.9 F)	16 of 100 (Routine)
Port Arthur	Canada	Record daily precipitation	4.8 mm (0.19 in)	16 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record low maximum temperature	-20.0 C (-4.0 F)	16 of 100 (Routine)
Komga (Pol)	South Africa	Record daily precipitation	19.1 mm (0.8 in)	16 of 100 (Routine)
Kiev	Ukraine	Record low minimum temperature	-22.1 C (-7.8 F)	15 of 100 (Routine)
Spokane Intl AP	United States	Record high maximum temperature	15.0 C (59.0 F)	15 of 100 (Routine)
Portland Rfc City	United States	Record high maximum temperature	16.7 C (62.1 F)	15 of 100 (Routine)
Kazan	Russia	Record low minimum temperature	-26.8 C (-16.2 F)	14 of 100 (Routine)
Somerset East	South Africa	Record daily precipitation	23.1 mm (0.9 in)	14 of 100 (Routine)
Kei Road (Pol)	South Africa	Record daily precipitation	17.8 mm (0.7 in)	14 of 100 (Routine)
Butterworth (Tnk)	South Africa	Record daily precipitation	19.1 mm (0.8 in)	14 of 100 (Routine)
Pitea	Sweden	Record high maximum temperature	4.5 C (40.1 F)	14 of 100 (Routine)
Uman	Ukraine	Record low minimum temperature	-20.9 C (-5.6 F)	14 of 100 (Routine)
Astoria	United States	Record high maximum temperature	14.4 C (57.9 F)	14 of 100 (Routine)
Spokane Intl AP	United States	Record high minimum temperature	7.2 C (45.0 F)	14 of 100 (Routine)
Battleford	Canada	Record high minimum temperature	-1.1 C (30.0 F)	13 of 100 (Routine)
Zametchino	Russia	Record low minimum temperature	-25.8 C (-14.4 F)	13 of 100 (Routine)
Crawley	South Africa	Record daily precipitation	10.7 mm (0.4 in)	13 of 100 (Routine)
Tizi Ouzou	Algeria	Record daily precipitation	22.3 mm (0.9 in)	12 of 100 (Routine)
Swift Current	Canada	Record high minimum temperature	2.2 C (36.0 F)	12 of 100 (Routine)
Syktyvkar	Russia	Record daily precipitation	4.4 mm (0.17 in)	12 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record low minimum temperature	-25.0 C (-13.0 F)	12 of 100 (Routine)
Concordia ASOS	United States	Record high maximum temperature	21.1 C (70.0 F)	12 of 100 (Routine)
Indian Head Cda	Canada	Record high minimum temperature	-6.1 C (21.0 F)	11 of 100 (Routine)
Qacu (Bos)	South Africa	Record daily precipitation	16.0 mm (0.6 in)	11 of 100 (Routine)
Brandon Cda	Canada	Record high maximum temperature	4.4 C (39.9 F)	10 of 100 (Routine)
St John's	Canada	Record daily precipitation	35.6 mm (1.4 in)	10 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record high minimum temperature	0.0 C (32.0 F)	10 of 100 (Routine)
Cairns Post Office	Australia	Record daily precipitation	37.1 mm (1.5 in)	9 of 100 (Routine)
Jokkmokk	Sweden	Record high minimum temperature	-1.8 C (28.8 F)	9 of 100 (Routine)
Grenfell	Canada	Record high minimum temperature	0.0 C (32.0 F)	8 of 100 (Routine)
Umzimkulu (Tnk)	South Africa	Record daily precipitation	20.8 mm (0.8 in)	8 of 100 (Routine)
Sfax El-Maou	Tunisia	Record high maximum temperature	23.0 C (73.4 F)	7 of 100 (Routine)
Engcobo (Tnk)	South Africa	Record daily precipitation	15.2 mm (0.6 in)	6 of 100 (Routine)
Crookston NW Exp STN	United States	Record high minimum temperature	0.6 C (33.1 F)	5 of 100 (Routine)
Schwerin	Germany	Record low maximum temperature	-3.0 C (26.6 F)	4 of 100 (Routine)
Haparanda	Sweden	Record high maximum temperature	2.0 C (35.6 F)	3 of 100 (Routine)
Pitea	Sweden	Record high minimum temperature	0.0 C (32.0 F)	3 of 100 (Routine)
Huron Rgnl AP	United States	Record high maximum temperature	12.8 C (55.0 F)	3 of 100 (Routine)
Portland Rfc City	United States	Record high minimum temperature	8.3 C (46.9 F)	3 of 100 (Routine)
Orleansville (Chlef)	Algeria	Record high minimum temperature	8.0 C (46.4 F)	2 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	-6.7 C (19.9 F)	2 of 100 (Routine)
Jokkmokk	Sweden	Record high maximum temperature	3.5 C (38.3 F)	2 of 100 (Routine)

Counts by Type and Timescale

63 records

Records set or tied on 12 December 1921 by type: Highest daily maximum 15, Lowest daily maximum 3, Highest daily minimum 17, Lowest daily minimum 7, Heaviest daily rainfall 20, Heaviest daily snowfall 1.

Records on 12 December 1921 by type
Record type	Records
Highest daily maximum	15
Lowest daily maximum	3
Highest daily minimum	17
Lowest daily minimum	7
Heaviest daily rainfall	20
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 12 December 1921 by timescale: all-time 0, monthly 1, daily 62.

How Much Records Were Beaten By

53 broken records

Margins by which the 53 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 23.9. Ties are not counted.

Top 20 by Significance

12 December 1921

Top 20 records on 12 December 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 December 1921	Durban-Botanical Gardens, ZA	daily rain	64.3 mm (2.5 in)	17.8 mm (0.7 in)	45 years	31 of 100 (Routine)
12 December 1921	Astrakan, RU	daily low min	-22.6 C (-8.7 F)	10.7 C (19.3 F)	23 years	28 of 100 (Routine)
12 December 1921	Willowvale (Tnk), ZA	daily rain	54.4 mm (2.1 in)	23.9 mm (0.9 in)	16 years	24 of 100 (Routine)
12 December 1921	Cape Otway Lighthouse, AU	daily high max	28.9 C (84.0 F)	2.2 C (4.0 F)	48 years	23 of 100 (Routine)
12 December 1921	Agassiz Cda, CA	daily rain	66.5 mm (2.6 in)	11.9 mm (0.5 in)	29 years	21 of 100 (Routine)
12 December 1921	Whitehead, CA	daily rain	35.6 mm (1.4 in)	12.7 mm (0.5 in)	25 years	21 of 100 (Routine)
12 December 1921	Kirov, RU	daily rain	9.8 mm (0.39 in)	4.4 mm (0.17 in)	11 years	20 of 100 (Routine)
12 December 1921	Oktjabrskij-Gorodok, RU	daily low min	-28.5 C (-19.3 F)	7.6 C (13.7 F)	23 years	19 of 100 (Routine)
12 December 1921	Huron Rgnl AP, US	daily high min	1.7 C (35.1 F)	3.4 C (6.1 F)	37 years	19 of 100 (Routine)
12 December 1921	Fergana, UZ	daily rain	5.2 mm (0.20 in)	2.5 mm (0.10 in)	29 years	19 of 100 (Routine)
12 December 1921	Isidinge (Bos), ZA	daily rain	24.1 mm (0.9 in)	10.4 mm (0.4 in)	25 years	18 of 100 (Routine)
12 December 1921	Astoria, US	daily high min	10.0 C (50.0 F)	2.2 C (4.0 F)	25 years	18 of 100 (Routine)
12 December 1921	Port Arthur, CA	daily snowfall	4.8 cm (1.9 in)	0.7 cm (0.3 in)	38 years	17 of 100 (Routine)
12 December 1921	Kiev, UA	daily low max	-18.7 C (-1.7 F)	3.8 C (6.8 F)	21 years	17 of 100 (Routine)
12 December 1921	Franklin, US	daily high max	21.1 C (70.0 F)	3.9 C (7.0 F)	31 years	17 of 100 (Routine)
12 December 1921	Lincoln UNIV Pwr Plt, US	daily high max	19.4 C (66.9 F)	2.7 C (4.9 F)	37 years	17 of 100 (Routine)
12 December 1921	Winnemucca AP, US	daily high max	15.6 C (60.1 F)	2.3 C (4.1 F)	32 years	17 of 100 (Routine)
12 December 1921	Qu'appelle, CA	daily high min	-0.6 C (30.9 F)	1.6 C (2.9 F)	37 years	16 of 100 (Routine)
12 December 1921	Port Arthur, CA	daily rain	4.8 mm (0.19 in)	0.7 mm (0.03 in)	38 years	16 of 100 (Routine)
12 December 1921	Bogoroditskoye-Fenino, RU	daily low max	-20.0 C (-4.0 F)	4.1 C (7.4 F)	21 years	16 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 63 records.

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

Records on 12-12 in each year
Year	Records
1796	2
1798	1
1802	1
1808	2
1814	1
1825	2
1831	1
1835	2
1846	1
1855	2
1861	1
1863	3
1870	2
1871	5
1873	2
1879	2
1882	3
1887	1
1889	1
1891	2
1892	2
1893	8
1894	3
1895	1
1896	4
1897	3
1898	20
1899	11
1900	5
1901	4
1902	7
1903	18
1904	20
1905	10
1906	14
1907	8
1908	25
1909	20
1910	39
1911	104
1912	53
1913	20
1914	19
1915	46
1916	115
1917	246
1918	33
1919	23
1920	41
1921	63
1922	61
1923	91
1924	130
1925	75
1926	143
1927	335
1928	234
1929	405
1930	45
1931	522
1932	813
1933	358
1934	430
1935	266
1936	142
1937	468
1938	103
1939	418
1940	621
1941	260
1942	257
1943	165
1944	688
1945	212
1946	761
1947	295
1948	282
1949	789
1950	364
1951	175
1952	501
1953	288
1954	696
1955	381
1956	441
1957	1,118
1958	884
1959	464
1960	710
1961	1,481
1962	1,495
1963	439
1964	459
1965	1,045
1966	369
1967	565
1968	727
1969	499
1970	366
1971	585
1972	1,669
1973	397
1974	191
1975	492
1976	319
1977	907
1978	382
1979	1,016
1980	583
1981	734
1982	867
1983	816
1984	808
1985	1,384
1986	408
1987	468
1988	1,030
1989	930
1990	676
1991	1,980
1992	818
1993	887
1994	1,172
1995	2,030
1996	1,391
1997	869
1998	1,103
1999	952
2000	2,510
2001	700
2002	683
2003	537
2004	727
2005	769
2006	886
2007	1,315
2008	1,424
2009	818
2010	1,501
2011	621
2012	684
2013	646
2014	1,040
2015	1,496
2016	530
2017	808
2018	256
2019	418
2020	507
2021	441
2022	767
2023	544
2024	328
2025	1,485

Download the Data

Data for records on 1921-12-12: 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 5	41
5 to 10	5
10 to 15	5
15 to 20	1
20 to 25	1