Weather Records on 12 August 1921

174 weather records were set or tied worldwide on 12 August 1921. Highest significance: Metten, DE.

Key Facts for 12 August 1921

On 12 August 1921, 174 weather records were set or tied at long-record stations worldwide.
10 were record highs and 10 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 168 daily.
Metten set a daily record precipitation of 41.0 mm (1.6 in) on 12 August 1921.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 449 records.

Record Map

174 stations

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

Weather records on 12 August 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Metten	Germany	Record daily precipitation	41.0 mm (1.6 in)	52 of 100 (Notable)
Jonkoping	Sweden	Record daily precipitation	36.5 mm (1.4 in)	52 of 100 (Notable)
Kunzelsau	Germany	Record daily precipitation	45.0 mm (1.8 in)	51 of 100 (Notable)
Nossen	Germany	Record daily precipitation	57.2 mm (2.3 in)	50 of 100 (Notable)
Muncheberg	Germany	Record daily precipitation	27.3 mm (1.1 in)	48 of 100 (Notable)
Cadia	Australia	Record daily precipitation	45.0 mm (1.8 in)	45 of 100 (Notable)
Weissenburg	Germany	Record daily precipitation	37.4 mm (1.5 in)	44 of 100 (Notable)
Rylstone (Ilford Rd)	Australia	Record daily precipitation	44.7 mm (1.8 in)	43 of 100 (Notable)
Chatham	Canada	Record daily precipitation	64.5 mm (2.5 in)	41 of 100 (Notable)
Kaisersbach-Cronhutte	Germany	Record daily precipitation	49.3 mm (1.9 in)	40 of 100 (Notable)
Mudgee (George Street)	Australia	Record daily precipitation	37.6 mm (1.5 in)	39 of 100 (Notable)
Cobbora (Ellismayne)	Australia	Record daily precipitation	43.9 mm (1.7 in)	39 of 100 (Notable)
Point Escuminac	Canada	Record daily precipitation	44.7 mm (1.8 in)	39 of 100 (Notable)
Karlsruhe	Germany	Record daily precipitation	40.3 mm (1.6 in)	39 of 100 (Notable)
Cudal Post Office	Australia	Record daily precipitation	36.1 mm (1.4 in)	38 of 100 (Notable)
Malvern	United States	Record daily precipitation	73.7 mm (2.9 in)	38 of 100 (Notable)
Jena Sternwarte	Germany	Record daily precipitation	31.8 mm (1.3 in)	35 of 100 (Notable)
Godegard	Sweden	Record daily precipitation	47.0 mm (1.9 in)	35 of 100 (Notable)
Orebro	Sweden	Record daily precipitation	44.5 mm (1.8 in)	33 of 100 (Routine)
Young Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	32 of 100 (Routine)
Tinda Tank	Australia	Record daily precipitation	26.2 mm (1.0 in)	29 of 100 (Routine)
Fairlight Station	Australia	Record daily precipitation	35.6 mm (1.4 in)	29 of 100 (Routine)
Tarcutta Post Office	Australia	Record daily precipitation	25.4 mm (1.0 in)	29 of 100 (Routine)
Goorianawah	Australia	Record daily precipitation	29.2 mm (1.1 in)	28 of 100 (Routine)
Brewongle	Australia	Record daily precipitation	48.8 mm (1.9 in)	28 of 100 (Routine)
Dundullimal	Australia	Record daily precipitation	27.4 mm (1.1 in)	28 of 100 (Routine)
Freiburg	Germany	Record daily precipitation	41.2 mm (1.6 in)	28 of 100 (Routine)
Beeac (Eurack)	Australia	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Wien	Austria	Record high maximum temperature	33.3 C (91.9 F)	27 of 100 (Routine)
Bathurst Gaol	Australia	Record daily precipitation	35.1 mm (1.4 in)	26 of 100 (Routine)
Kiandra Chalet	Australia	Record daily precipitation	60.2 mm (2.4 in)	26 of 100 (Routine)
Canowindra (Canowindra Street)	Australia	Record daily precipitation	27.4 mm (1.1 in)	25 of 100 (Routine)
Tumbarumba Post Office	Australia	Record daily precipitation	34.3 mm (1.4 in)	24 of 100 (Routine)
Vaexjoe	Sweden	Record daily precipitation	25.1 mm (1.0 in)	24 of 100 (Routine)
Tunis	Tunisia	Record high minimum temperature	26.0 C (78.8 F)	24 of 100 (Routine)
Johnsonville	United States	Record daily precipitation	58.4 mm (2.3 in)	24 of 100 (Routine)
Sidi-Bel-Abbes	Algeria	Record low maximum temperature	28.0 C (82.4 F)	23 of 100 (Routine)
Trunkey Creek (Trunkey (Black	Australia	Record daily precipitation	26.9 mm (1.1 in)	23 of 100 (Routine)
Hohenpeissenberg	Germany	Record daily precipitation	43.6 mm (1.7 in)	23 of 100 (Routine)
Lichtentanne	Germany	Record daily precipitation	53.5 mm (2.1 in)	23 of 100 (Routine)
Ohringen	Germany	Record daily precipitation	34.0 mm (1.3 in)	22 of 100 (Routine)
Chattanooga Wb City	United States	Record low maximum temperature	23.3 C (73.9 F)	22 of 100 (Routine)
Orange (McLaughlin St)	Australia	Record daily precipitation	55.1 mm (2.2 in)	21 of 100 (Routine)
Plauen	Germany	Record daily precipitation	48.9 mm (1.9 in)	21 of 100 (Routine)
Artern	Germany	Record daily precipitation	22.8 mm (0.9 in)	20 of 100 (Routine)
Nurnberg	Germany	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Weimar	Germany	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Ueckermunde	Germany	Record daily precipitation	20.0 mm (0.8 in)	20 of 100 (Routine)
Millicent	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Waren	Germany	Record daily precipitation	17.6 mm (0.7 in)	20 of 100 (Routine)
Maitland (Weetulta)	Australia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Berlin-Dahlem (Lfag)	Germany	Record daily precipitation	15.9 mm (0.6 in)	20 of 100 (Routine)
Sandy Creek Tank	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Bamberg (Sternwarte)	Germany	Record daily precipitation	19.2 mm (0.8 in)	20 of 100 (Routine)
Wellington (Agrowplow)	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Maragle Station	Australia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Ljungby	Sweden	Record daily precipitation	23.0 mm (0.9 in)	20 of 100 (Routine)
Augathella Post Office	Australia	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Bulgoo	Australia	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Kingston Queens U	Canada	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)

Counts by Type and Timescale

174 records

Records set or tied on 12 August 1921 by type: Highest daily maximum 2, Lowest daily maximum 8, Highest daily minimum 8, Lowest daily minimum 2, Heaviest daily rainfall 154.

Records on 12 August 1921 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	8
Highest daily minimum	8
Lowest daily minimum	2
Heaviest daily rainfall	154
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 August 1921 by timescale: all-time 0, monthly 6, daily 168.

How Much Records Were Beaten By

159 broken records

Margins by which the 159 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 49.3. Ties are not counted.

Top 20 by Significance

12 August 1921

Top 20 records on 12 August 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 August 1921	Metten, DE	daily rain	41.0 mm (1.6 in)	34.3 mm (1.4 in)	29 years	52 of 100 (Notable)
12 August 1921	Jonkoping, SE	daily rain	36.5 mm (1.4 in)	23.7 mm (0.9 in)	29 years	52 of 100 (Notable)
12 August 1921	Kunzelsau, DE	daily rain	45.0 mm (1.8 in)	25.5 mm (1.0 in)	26 years	51 of 100 (Notable)
12 August 1921	Nossen, DE	daily rain	57.2 mm (2.3 in)	49.3 mm (1.9 in)	23 years	50 of 100 (Notable)
12 August 1921	Muncheberg, DE	daily rain	27.3 mm (1.1 in)	21.9 mm (0.9 in)	18 years	48 of 100 (Notable)
12 August 1921	Cadia, AU	daily rain	45.0 mm (1.8 in)	30.8 mm (1.2 in)	35 years	45 of 100 (Notable)
12 August 1921	Weissenburg, DE	daily rain	37.4 mm (1.5 in)	19.5 mm (0.8 in)	40 years	44 of 100 (Notable)
12 August 1921	Rylstone (Ilford Rd), AU	daily rain	44.7 mm (1.8 in)	27.4 mm (1.1 in)	34 years	43 of 100 (Notable)
12 August 1921	Chatham, CA	daily rain	64.5 mm (2.5 in)	29.7 mm (1.2 in)	28 years	41 of 100 (Notable)
12 August 1921	Kaisersbach-Cronhutte, DE	monthly rain	49.3 mm (1.9 in)	11.7 mm (0.5 in)	32 years	40 of 100 (Notable)
12 August 1921	Mudgee (George Street), AU	daily rain	37.6 mm (1.5 in)	24.9 mm (1.0 in)	12 years	39 of 100 (Notable)
12 August 1921	Cobbora (Ellismayne), AU	daily rain	43.9 mm (1.7 in)	28.7 mm (1.1 in)	4 years	39 of 100 (Notable)
12 August 1921	Point Escuminac, CA	daily rain	44.7 mm (1.8 in)	27.4 mm (1.1 in)	33 years	39 of 100 (Notable)
12 August 1921	Karlsruhe, DE	daily rain	40.3 mm (1.6 in)	18.1 mm (0.7 in)	39 years	39 of 100 (Notable)
12 August 1921	Cudal Post Office, AU	daily rain	36.1 mm (1.4 in)	24.7 mm (1.0 in)	12 years	38 of 100 (Notable)
12 August 1921	Malvern, US	daily rain	73.7 mm (2.9 in)	45.8 mm (1.8 in)	15 years	38 of 100 (Notable)
12 August 1921	Jena Sternwarte, DE	daily rain	31.8 mm (1.3 in)	1.5 mm (0.06 in)	77 years	35 of 100 (Notable)
12 August 1921	Godegard, SE	daily rain	47.0 mm (1.9 in)	20.8 mm (0.8 in)	16 years	35 of 100 (Notable)
12 August 1921	Orebro, SE	daily rain	44.5 mm (1.8 in)	17.8 mm (0.7 in)	12 years	33 of 100 (Routine)
12 August 1921	Young Post Office, AU	daily rain	30.0 mm (1.2 in)	12.7 mm (0.5 in)	34 years	32 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 174 records.

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

Records on 08-12 in each year
Year	Records
1793	1
1796	1
1811	2
1814	1
1815	1
1825	1
1843	1
1851	1
1854	1
1855	2
1856	1
1861	1
1864	3
1865	1
1867	1
1868	1
1871	2
1872	1
1873	1
1874	2
1875	3
1876	2
1879	1
1881	2
1883	1
1884	1
1885	1
1887	2
1888	2
1889	4
1890	4
1891	4
1892	2
1893	1
1894	1
1895	6
1896	2
1897	4
1898	1
1899	10
1900	1
1901	5
1902	9
1903	14
1904	13
1905	16
1906	8
1907	8
1908	31
1909	42
1910	16
1911	33
1912	40
1913	39
1914	26
1915	46
1916	31
1917	134
1918	37
1919	42
1920	26
1921	174
1922	71
1923	89
1924	267
1925	150
1926	154
1927	145
1928	173
1929	276
1930	501
1931	708
1932	418
1933	271
1934	471
1935	408
1936	591
1937	356
1938	237
1939	282
1940	545
1941	481
1942	257
1943	523
1944	595
1945	295
1946	655
1947	729
1948	384
1949	469
1950	442
1951	357
1952	533
1953	227
1954	969
1955	590
1956	265
1957	384
1958	406
1959	388
1960	707
1961	381
1962	466
1963	559
1964	1,346
1965	977
1966	777
1967	1,135
1968	444
1969	629
1970	422
1971	486
1972	473
1973	442
1974	560
1975	593
1976	495
1977	747
1978	571
1979	1,192
1980	692
1981	665
1982	789
1983	923
1984	665
1985	935
1986	615
1987	935
1988	1,518
1989	827
1990	727
1991	726
1992	1,134
1993	936
1994	861
1995	1,654
1996	1,336
1997	1,363
1998	1,215
1999	1,325
2000	741
2001	855
2002	1,345
2003	1,752
2004	1,872
2005	1,085
2006	874
2007	1,209
2008	970
2009	814
2010	1,907
2011	903
2012	910
2013	427
2014	787
2015	757
2016	1,290
2017	533
2018	571
2019	695
2020	730
2021	980
2022	616
2023	779
2024	659
2025	639
2026	849

Download the Data

Data for records on 1921-08-12: 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).

Histogram of margins by which records were beaten on 12 August 1921
Margin	Records
0 to 10	109
10 to 20	35
20 to 30	11
30 to 40	2
40 to 50	2