Weather Records on 12 October 1921

102 weather records were set or tied worldwide on 12 October 1921. Highest significance: Muttaburra, AU.

Key Facts for 12 October 1921

On 12 October 1921, 102 weather records were set or tied at long-record stations worldwide.
53 were record highs and 8 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 100 daily.
Muttaburra set a monthly record daily precipitation of 89.9 mm (3.5 in) on 12 October 1921.
Across 163 earlier years (1805 to 2026) the same calendar date averaged 454 records.

Record Map

102 stations

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

Weather records on 12 October 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Muttaburra	Australia	Record daily precipitation	89.9 mm (3.5 in)	56 of 100 (Notable)
Barcaldine Post Office	Australia	Record daily precipitation	63.2 mm (2.5 in)	46 of 100 (Notable)
Winton Post Office	Australia	Record daily precipitation	56.4 mm (2.2 in)	42 of 100 (Notable)
Pointe Au Pere	Canada	Record daily precipitation	35.6 mm (1.4 in)	40 of 100 (Notable)
Alpha Post Office	Australia	Record daily precipitation	52.3 mm (2.1 in)	39 of 100 (Notable)
Jena Sternwarte	Germany	Record high maximum temperature	24.9 C (76.8 F)	38 of 100 (Notable)
Bologna	Italy	Record high minimum temperature	17.7 C (63.9 F)	35 of 100 (Notable)
Alice Post Office	Australia	Record daily precipitation	28.4 mm (1.1 in)	27 of 100 (Routine)
Collaroy Station	Australia	Record daily precipitation	40.6 mm (1.6 in)	26 of 100 (Routine)
Cap Chat	Canada	Record daily snowfall	5.1 cm (2.0 in)	25 of 100 (Routine)
Weissenburg	Germany	Record high maximum temperature	23.9 C (75.0 F)	23 of 100 (Routine)
Fort National	Algeria	Record high minimum temperature	22.0 C (71.6 F)	22 of 100 (Routine)
Magdeburg	Germany	Record high minimum temperature	13.9 C (57.0 F)	22 of 100 (Routine)
Maneroo	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Woomera (Oakden Hills)	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Marlborough Post Office	Australia	Record daily precipitation	40.6 mm (1.6 in)	20 of 100 (Routine)
St Lawrence Post Office	Australia	Record daily precipitation	40.6 mm (1.6 in)	19 of 100 (Routine)
Emerald Post Office	Australia	Record daily precipitation	25.9 mm (1.0 in)	19 of 100 (Routine)
Ayrshire Downs	Australia	Record daily precipitation	13.5 mm (0.5 in)	19 of 100 (Routine)
Brome	Canada	Record daily snowfall	1.3 cm (0.5 in)	19 of 100 (Routine)
Montreal McGill	Canada	Record daily snowfall	0.3 cm (0.1 in)	19 of 100 (Routine)
Schwerin	Germany	Record high maximum temperature	23.4 C (74.1 F)	18 of 100 (Routine)
Ft Bidwell	United States	Record high maximum temperature	27.2 C (81.0 F)	18 of 100 (Routine)
Hawker (Wilson)	Australia	Record daily precipitation	19.1 mm (0.8 in)	17 of 100 (Routine)
Renfrew	Canada	Record daily snowfall	1.3 cm (0.5 in)	17 of 100 (Routine)
Bremen-Seefahrtschule	Germany	Record high minimum temperature	13.4 C (56.1 F)	17 of 100 (Routine)
Karlsruhe	Germany	Record high maximum temperature	25.3 C (77.5 F)	17 of 100 (Routine)
Hohenpeissenberg	Germany	Record high minimum temperature	13.3 C (55.9 F)	17 of 100 (Routine)
Altastenberg	Germany	Record high minimum temperature	12.6 C (54.7 F)	17 of 100 (Routine)
Lubeck-Werft	Germany	Record high maximum temperature	22.1 C (71.8 F)	17 of 100 (Routine)
Plauen	Germany	Record high maximum temperature	24.3 C (75.7 F)	17 of 100 (Routine)
Braunschweig (T.H.)	Germany	Record high maximum temperature	22.6 C (72.7 F)	17 of 100 (Routine)
Barrie	Canada	Record low maximum temperature	7.2 C (45.0 F)	16 of 100 (Routine)
Nurnberg	Germany	Record high maximum temperature	21.5 C (70.7 F)	16 of 100 (Routine)
Freiburg	Germany	Record high maximum temperature	24.5 C (76.1 F)	16 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high maximum temperature	24.0 C (75.2 F)	16 of 100 (Routine)
Zagreb-Gric	Croatia	Record high maximum temperature	23.6 C (74.5 F)	16 of 100 (Routine)
Hawker	Australia	Record daily precipitation	19.6 mm (0.8 in)	15 of 100 (Routine)
Watford	Canada	Record daily precipitation	35.6 mm (1.4 in)	15 of 100 (Routine)
Bic	Canada	Record daily precipitation	25.4 mm (1.0 in)	15 of 100 (Routine)
Muenster	Germany	Record high maximum temperature	24.5 C (76.1 F)	15 of 100 (Routine)
Freiburg	Germany	Record high minimum temperature	12.6 C (54.7 F)	15 of 100 (Routine)
Cairns Post Office	Australia	Record high minimum temperature	24.7 C (76.5 F)	14 of 100 (Routine)
Wanaaring Post Office	Australia	Record daily precipitation	7.9 mm (0.31 in)	14 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record high minimum temperature	13.6 C (56.5 F)	14 of 100 (Routine)
Altastenberg	Germany	Record high maximum temperature	20.4 C (68.7 F)	14 of 100 (Routine)
Irkutsk	Russia	Record high maximum temperature	17.6 C (63.7 F)	14 of 100 (Routine)
Olympia Priest Pt Park	United States	Record high maximum temperature	22.2 C (72.0 F)	14 of 100 (Routine)
Hawker (Holowilena)	Australia	Record daily precipitation	20.8 mm (0.8 in)	13 of 100 (Routine)
Eulo Post Office	Australia	Record daily precipitation	0.3 mm (0.01 in)	13 of 100 (Routine)
Broken Hill (Glen Lyon)	Australia	Record daily precipitation	7.1 mm (0.28 in)	13 of 100 (Routine)
Calgary Int'l A	Canada	Record high maximum temperature	25.6 C (78.1 F)	13 of 100 (Routine)
Guelph Oac	Canada	Record daily precipitation	21.1 mm (0.8 in)	13 of 100 (Routine)
Yarmouth	Canada	Record high minimum temperature	13.3 C (55.9 F)	13 of 100 (Routine)
Hohenpeissenberg	Germany	Record high maximum temperature	17.9 C (64.2 F)	13 of 100 (Routine)
Arnsberg	Germany	Record high maximum temperature	24.8 C (76.6 F)	13 of 100 (Routine)
Wrixum/Fohr	Germany	Record high maximum temperature	18.0 C (64.4 F)	13 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record high maximum temperature	18.2 C (64.8 F)	13 of 100 (Routine)
Fort National	Algeria	Record high maximum temperature	29.0 C (84.2 F)	12 of 100 (Routine)
Hawker (Warcowie)	Australia	Record daily precipitation	18.5 mm (0.7 in)	12 of 100 (Routine)

Counts by Type and Timescale

102 records

Records set or tied on 12 October 1921 by type: Highest daily maximum 33, Lowest daily maximum 6, Highest daily minimum 20, Lowest daily minimum 2, Heaviest daily rainfall 36, Heaviest daily snowfall 5.

Records on 12 October 1921 by type
Record type	Records
Highest daily maximum	33
Lowest daily maximum	6
Highest daily minimum	20
Lowest daily minimum	2
Heaviest daily rainfall	36
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 12 October 1921 by timescale: all-time 0, monthly 2, daily 100.

How Much Records Were Beaten By

92 broken records

Margins by which the 92 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 60.4. Ties are not counted.

Top 20 by Significance

12 October 1921

Top 20 records on 12 October 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 October 1921	Muttaburra, AU	monthly rain	89.9 mm (3.5 in)	56.9 mm (2.2 in)	12 years	56 of 100 (Notable)
12 October 1921	Barcaldine Post Office, AU	daily rain	63.2 mm (2.5 in)	60.4 mm (2.4 in)	12 years	46 of 100 (Notable)
12 October 1921	Winton Post Office, AU	monthly rain	56.4 mm (2.2 in)	18.8 mm (0.7 in)	17 years	42 of 100 (Notable)
12 October 1921	Pointe Au Pere, CA	daily rain	35.6 mm (1.4 in)	18.6 mm (0.7 in)	43 years	40 of 100 (Notable)
12 October 1921	Alpha Post Office, AU	daily rain	52.3 mm (2.1 in)	39.6 mm (1.6 in)	26 years	39 of 100 (Notable)
12 October 1921	Jena Sternwarte, DE	daily high max	24.9 C (76.8 F)	1.5 C (2.7 F)	89 years	38 of 100 (Notable)
12 October 1921	Bologna, IT	daily high min	17.7 C (63.9 F)	0.6 C (1.1 F)	81 years	35 of 100 (Notable)
12 October 1921	Alice Post Office, AU	daily rain	28.4 mm (1.1 in)	23.8 mm (0.9 in)	12 years	27 of 100 (Routine)
12 October 1921	Collaroy Station, AU	daily rain	40.6 mm (1.6 in)	22.1 mm (0.9 in)	12 years	26 of 100 (Routine)
12 October 1921	Cap Chat, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	38 years	25 of 100 (Routine)
12 October 1921	Weissenburg, DE	daily high max	23.9 C (75.0 F)	5.9 C (10.6 F)	21 years	23 of 100 (Routine)
12 October 1921	Fort National, DZ	daily high min	22.0 C (71.6 F)	4.0 C (7.2 F)	27 years	22 of 100 (Routine)
12 October 1921	Magdeburg, DE	daily high min	13.9 C (57.0 F)	2.8 C (5.0 F)	38 years	22 of 100 (Routine)
12 October 1921	Maneroo, AU	daily rain	16.8 mm (0.7 in)	11.7 mm (0.5 in)	30 years	20 of 100 (Routine)
12 October 1921	Woomera (Oakden Hills), AU	daily rain	21.8 mm (0.9 in)	9.1 mm (0.36 in)	16 years	20 of 100 (Routine)
12 October 1921	Marlborough Post Office, AU	daily rain	40.6 mm (1.6 in)	11.9 mm (0.5 in)	30 years	20 of 100 (Routine)
12 October 1921	St Lawrence Post Office, AU	daily rain	40.6 mm (1.6 in)	22.1 mm (0.9 in)	12 years	19 of 100 (Routine)
12 October 1921	Emerald Post Office, AU	daily rain	25.9 mm (1.0 in)	16.0 mm (0.6 in)	12 years	19 of 100 (Routine)
12 October 1921	Ayrshire Downs, AU	daily rain	13.5 mm (0.5 in)	8.9 mm (0.35 in)	16 years	19 of 100 (Routine)
12 October 1921	Brome, CA	daily snowfall	1.3 cm (0.5 in)	1.3 cm (0.5 in)	45 years	19 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

1805 to 1921

Records set or tied on this calendar date in each year from 1805 to 1921. 1921 had 102 records.

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

Records on 10-12 in each year
Year	Records
1805	2
1809	1
1810	1
1814	3
1822	1
1839	1
1841	1
1843	1
1850	1
1852	1
1854	1
1859	1
1860	2
1861	1
1867	1
1871	3
1873	2
1875	2
1876	5
1879	2
1881	2
1884	1
1885	2
1886	1
1887	2
1888	1
1889	1
1890	3
1891	1
1892	1
1893	2
1894	2
1895	2
1896	3
1897	3
1898	2
1899	3
1900	2
1901	6
1902	14
1903	16
1904	30
1905	13
1906	16
1907	10
1908	13
1909	30
1910	13
1911	10
1912	30
1913	33
1914	17
1915	34
1916	29
1917	53
1918	29
1919	53
1920	79
1921	102
1922	21
1923	200
1924	129
1925	107
1926	201
1927	195
1928	714
1929	165
1930	606
1931	283
1932	398
1933	155
1934	477
1935	209
1936	301
1937	185
1938	470
1939	198
1940	235
1941	226
1942	540
1943	418
1944	274
1945	321
1946	554
1947	358
1948	311
1949	725
1950	594
1951	391
1952	352
1953	252
1954	911
1955	383
1956	899
1957	473
1958	448
1959	501
1960	449
1961	436
1962	971
1963	459
1964	636
1965	157
1966	423
1967	623
1968	443
1969	1,828
1970	763
1971	382
1972	412
1973	673
1974	369
1975	830
1976	582
1977	832
1978	525
1979	898
1980	741
1981	1,201
1982	777
1983	992
1984	636
1985	872
1986	1,510
1987	1,530
1988	1,015
1989	543
1990	1,325
1991	948
1992	865
1993	1,145
1994	934
1995	1,238
1996	816
1997	1,851
1998	741
1999	641
2000	1,095
2001	1,194
2002	1,139
2003	1,043
2004	750
2005	872
2006	1,357
2007	566
2008	1,669
2009	2,300
2010	797
2011	906
2012	921
2013	558
2014	514
2015	964
2016	374
2017	1,068
2018	1,195
2019	1,321
2020	655
2021	1,294
2022	439
2023	904
2024	958
2025	624
2026	710

Download the Data

Data for records on 1921-10-12: 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 10	77
10 to 20	8
20 to 30	3
30 to 40	1
40 to 50	0
50 to 60	2
60 to 70	1