Weather Records on 11 August 1921

201 weather records were set or tied worldwide on 11 August 1921. Highest significance: Collendina, AU.

Key Facts for 11 August 1921

On 11 August 1921, 201 weather records were set or tied at long-record stations worldwide.
24 were record highs and 9 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 191 daily.
Collendina set a daily record precipitation of 41.1 mm (1.6 in) on 11 August 1921.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 462 records.

Record Map

201 stations

201 station records on 11 August 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 August 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Collendina	Australia	Record daily precipitation	41.1 mm (1.6 in)	55 of 100 (Notable)
Mulwala Homestead	Australia	Record daily precipitation	40.4 mm (1.6 in)	52 of 100 (Notable)
Oberon (Springbank)	Australia	Record daily precipitation	49.5 mm (1.9 in)	51 of 100 (Notable)
Bad Muskau	Germany	Record daily precipitation	53.3 mm (2.1 in)	50 of 100 (Notable)
Omeo Comparison	Australia	Record daily precipitation	30.5 mm (1.2 in)	49 of 100 (Notable)
Rennie (Pine View)	Australia	Record daily precipitation	34.8 mm (1.4 in)	48 of 100 (Notable)
Barrie	Canada	Record daily precipitation	52.3 mm (2.1 in)	48 of 100 (Notable)
Beechworth Composite	Australia	Record daily precipitation	51.6 mm (2.0 in)	45 of 100 (Notable)
Wahgunyah	Australia	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Jerilderie (Pooginook)	Australia	Record daily precipitation	26.7 mm (1.1 in)	44 of 100 (Notable)
Jerilderie (Coree STN)	Australia	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
Rutherglen Netherby Wine	Australia	Record daily precipitation	32.0 mm (1.3 in)	44 of 100 (Notable)
Hastings Post Office	Australia	Record daily precipitation	35.6 mm (1.4 in)	43 of 100 (Notable)
Granville (Kentucky)	Australia	Record daily precipitation	26.2 mm (1.0 in)	42 of 100 (Notable)
Bright Post Office	Australia	Record daily precipitation	87.4 mm (3.4 in)	40 of 100 (Notable)
Chiltern (Post Office)	Australia	Record daily precipitation	34.0 mm (1.3 in)	38 of 100 (Notable)
Arundel	Australia	Record daily precipitation	25.1 mm (1.0 in)	37 of 100 (Notable)
Hay (Miller Street)	Australia	Record daily precipitation	32.3 mm (1.3 in)	37 of 100 (Notable)
Steam Plains 1	Australia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Barnawartha	Australia	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
Yackandandah	Australia	Record daily precipitation	44.5 mm (1.8 in)	33 of 100 (Routine)
Boomanoomana	Australia	Record daily precipitation	44.7 mm (1.8 in)	32 of 100 (Routine)
Yanco (Billinbah East)	Australia	Record daily precipitation	26.2 mm (1.0 in)	31 of 100 (Routine)
Yarrawonga Post Office	Australia	Record daily precipitation	45.0 mm (1.8 in)	31 of 100 (Routine)
Nariel Creek (Simpson)	Australia	Record daily precipitation	41.1 mm (1.6 in)	31 of 100 (Routine)
Kergunyah South	Australia	Record daily precipitation	49.8 mm (2.0 in)	29 of 100 (Routine)
Jingellic	Australia	Record daily precipitation	29.0 mm (1.1 in)	28 of 100 (Routine)
Crookwell Post Office	Australia	Record daily precipitation	36.1 mm (1.4 in)	27 of 100 (Routine)
Corowa Airport	Australia	Record daily precipitation	32.0 mm (1.3 in)	26 of 100 (Routine)
Springfield 3	Australia	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Lawrence	United States	Record daily precipitation	50.8 mm (2.0 in)	26 of 100 (Routine)
Wargam	Australia	Record daily precipitation	27.9 mm (1.1 in)	25 of 100 (Routine)
Prescott 2 NNW	United States	Record high minimum temperature	27.8 C (82.0 F)	25 of 100 (Routine)
Bathurst Gaol	Australia	Record high minimum temperature	9.4 C (48.9 F)	24 of 100 (Routine)
Wangaratta	Australia	Record daily precipitation	49.8 mm (2.0 in)	24 of 100 (Routine)
Lindsay	Canada	Record daily precipitation	29.2 mm (1.1 in)	24 of 100 (Routine)
Freiburg	Germany	Record daily precipitation	32.0 mm (1.3 in)	24 of 100 (Routine)
Columbia Wb City	United States	Record daily precipitation	35.8 mm (1.4 in)	24 of 100 (Routine)
Karlsruhe	Germany	Record daily precipitation	26.4 mm (1.0 in)	23 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record high maximum temperature	32.6 C (90.7 F)	22 of 100 (Routine)
Zagreb-Gric	Croatia	Record high maximum temperature	36.7 C (98.1 F)	22 of 100 (Routine)
Bungowannah Park	Australia	Record daily precipitation	29.5 mm (1.2 in)	21 of 100 (Routine)
Hohenpeissenberg	Germany	Record high maximum temperature	27.5 C (81.5 F)	21 of 100 (Routine)
Kristianstad	Sweden	Record low minimum temperature	6.0 C (42.8 F)	21 of 100 (Routine)
Sheffield	United Kingdom	Record daily precipitation	36.6 mm (1.4 in)	21 of 100 (Routine)
White Cliffs (Tongo)	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Marrar (Centenary Drive)	Australia	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Cobar (Paddington)	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Grantville	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Jindera (Wadilock)	Australia	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Maitland	Australia	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Yarran	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Corryong (Parish Lane)	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Bindi	Australia	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Meadows	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Goolgumbla	Australia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Colinroobie	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Cowabie	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Jerilderie (Yanko Station)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Pine Lodge 1	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

201 records

Records set or tied on 11 August 1921 by type: Highest daily maximum 9, Lowest daily maximum 5, Highest daily minimum 15, Lowest daily minimum 4, Heaviest daily rainfall 168.

Records on 11 August 1921 by type
Record type	Records
Highest daily maximum	9
Lowest daily maximum	5
Highest daily minimum	15
Lowest daily minimum	4
Heaviest daily rainfall	168
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 August 1921 by timescale: all-time 0, monthly 10, daily 191.

How Much Records Were Beaten By

188 broken records

Margins by which the 188 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 44.9. Ties are not counted.

Top 20 by Significance

11 August 1921

Top 20 records on 11 August 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 August 1921	Collendina, AU	daily rain	41.1 mm (1.6 in)	26.9 mm (1.1 in)	37 years	55 of 100 (Notable)
11 August 1921	Mulwala Homestead, AU	daily rain	40.4 mm (1.6 in)	23.9 mm (0.9 in)	37 years	52 of 100 (Notable)
11 August 1921	Oberon (Springbank), AU	daily rain	49.5 mm (1.9 in)	35.8 mm (1.4 in)	29 years	51 of 100 (Notable)
11 August 1921	Bad Muskau, DE	daily rain	53.3 mm (2.1 in)	44.9 mm (1.8 in)	25 years	50 of 100 (Notable)
11 August 1921	Omeo Comparison, AU	daily rain	30.5 mm (1.2 in)	20.1 mm (0.8 in)	26 years	49 of 100 (Notable)
11 August 1921	Rennie (Pine View), AU	daily rain	34.8 mm (1.4 in)	23.1 mm (0.9 in)	31 years	48 of 100 (Notable)
11 August 1921	Barrie, CA	daily rain	52.3 mm (2.1 in)	28.2 mm (1.1 in)	47 years	48 of 100 (Notable)
11 August 1921	Beechworth Composite, AU	daily rain	51.6 mm (2.0 in)	34.1 mm (1.3 in)	4 years	45 of 100 (Notable)
11 August 1921	Wahgunyah, AU	daily rain	33.0 mm (1.3 in)	25.9 mm (1.0 in)	4 years	45 of 100 (Notable)
11 August 1921	Jerilderie (Pooginook), AU	daily rain	26.7 mm (1.1 in)	21.6 mm (0.9 in)	4 years	44 of 100 (Notable)
11 August 1921	Jerilderie (Coree STN), AU	daily rain	38.1 mm (1.5 in)	25.9 mm (1.0 in)	4 years	44 of 100 (Notable)
11 August 1921	Rutherglen Netherby Wine, AU	daily rain	32.0 mm (1.3 in)	24.4 mm (1.0 in)	4 years	44 of 100 (Notable)
11 August 1921	Hastings Post Office, AU	daily rain	35.6 mm (1.4 in)	19.9 mm (0.8 in)	4 years	43 of 100 (Notable)
11 August 1921	Granville (Kentucky), AU	daily rain	26.2 mm (1.0 in)	18.6 mm (0.7 in)	26 years	42 of 100 (Notable)
11 August 1921	Bright Post Office, AU	monthly rain	87.4 mm (3.4 in)	18.1 mm (0.7 in)	31 years	40 of 100 (Notable)
11 August 1921	Chiltern (Post Office), AU	daily rain	34.0 mm (1.3 in)	17.2 mm (0.7 in)	31 years	38 of 100 (Notable)
11 August 1921	Arundel, AU	daily rain	25.1 mm (1.0 in)	14.4 mm (0.6 in)	29 years	37 of 100 (Notable)
11 August 1921	Hay (Miller Street), AU	daily rain	32.3 mm (1.3 in)	20.6 mm (0.8 in)	4 years	37 of 100 (Notable)
11 August 1921	Steam Plains 1, AU	daily rain	30.0 mm (1.2 in)	19.8 mm (0.8 in)	4 years	36 of 100 (Notable)
11 August 1921	Barnawartha, AU	monthly rain	31.8 mm (1.3 in)	5.6 mm (0.22 in)	35 years	34 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 201 records.

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

Records on 08-11 in each year
Year	Records
1793	1
1796	1
1811	1
1815	2
1838	1
1839	1
1841	1
1851	1
1855	1
1858	1
1861	2
1862	1
1863	1
1864	6
1865	1
1866	6
1869	4
1871	1
1875	1
1879	2
1881	1
1883	1
1885	1
1888	1
1889	4
1890	4
1891	1
1892	4
1893	1
1894	1
1895	2
1896	5
1897	3
1898	2
1899	3
1900	4
1901	4
1902	13
1903	12
1904	19
1905	9
1906	6
1907	8
1908	10
1909	41
1910	9
1911	24
1912	46
1913	43
1914	26
1915	27
1916	64
1917	217
1918	29
1919	18
1920	54
1921	201
1922	98
1923	80
1924	149
1925	219
1926	140
1927	190
1928	174
1929	354
1930	471
1931	453
1932	281
1933	416
1934	620
1935	499
1936	541
1937	356
1938	315
1939	389
1940	359
1941	807
1942	390
1943	345
1944	936
1945	401
1946	419
1947	709
1948	306
1949	471
1950	320
1951	296
1952	417
1953	283
1954	536
1955	319
1956	457
1957	305
1958	494
1959	337
1960	461
1961	429
1962	662
1963	493
1964	677
1965	793
1966	1,037
1967	1,071
1968	619
1969	533
1970	526
1971	711
1972	823
1973	451
1974	596
1975	753
1976	529
1977	845
1978	433
1979	797
1980	929
1981	645
1982	1,232
1983	1,095
1984	822
1985	804
1986	563
1987	885
1988	1,119
1989	983
1990	760
1991	822
1992	928
1993	840
1994	1,173
1995	1,324
1996	1,147
1997	1,512
1998	1,232
1999	1,152
2000	924
2001	811
2002	1,152
2003	1,601
2004	1,478
2005	1,031
2006	896
2007	1,428
2008	945
2009	836
2010	2,289
2011	1,106
2012	953
2013	470
2014	556
2015	696
2016	1,340
2017	619
2018	861
2019	758
2020	688
2021	834
2022	661
2023	757
2024	643
2025	722
2026	765

Download the Data

Data for records on 1921-08-11: 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 11 August 1921
Margin	Records
0 to 10	138
10 to 20	33
20 to 30	14
30 to 40	2
40 to 50	1