Weather Records on 23 August 1921

280 weather records were set or tied worldwide on 23 August 1921. Highest significance: Barkers Creek Reservoir, AU.

Key Facts for 23 August 1921

On 23 August 1921, 280 weather records were set or tied at long-record stations worldwide.
15 were record highs and 18 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 279 daily.
Barkers Creek Reservoir set a daily record precipitation of 39.1 mm (1.5 in) on 23 August 1921.
Across 164 earlier years (1802 to 2026) the same calendar date averaged 445 records.

Record Map

280 stations

280 station records on 23 August 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 August 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Barkers Creek Reservoir	Australia	Record daily precipitation	39.1 mm (1.5 in)	56 of 100 (Notable)
Beales Reservoir	Australia	Record daily precipitation	50.8 mm (2.0 in)	52 of 100 (Notable)
Alexandra (Post Office)	Australia	Record daily precipitation	31.0 mm (1.2 in)	52 of 100 (Notable)
Gredgwin (Barraport North)	Australia	Record daily precipitation	25.9 mm (1.0 in)	51 of 100 (Notable)
Kilmore Assumption College	Australia	Record daily precipitation	38.4 mm (1.5 in)	51 of 100 (Notable)
Lyonville	Australia	Record daily precipitation	57.7 mm (2.3 in)	51 of 100 (Notable)
Amphitheatre	Australia	Record daily precipitation	32.0 mm (1.3 in)	49 of 100 (Notable)
Ballarat Botanical Gardens	Australia	Record daily precipitation	30.0 mm (1.2 in)	48 of 100 (Notable)
Malmsbury Reservoir	Australia	Record daily precipitation	35.6 mm (1.4 in)	47 of 100 (Notable)
Willaura (Yarram Park)	Australia	Record daily precipitation	30.0 mm (1.2 in)	47 of 100 (Notable)
Edenhope (Post Office)	Australia	Record daily precipitation	28.4 mm (1.1 in)	46 of 100 (Notable)
Heathcote	Australia	Record daily precipitation	31.5 mm (1.2 in)	46 of 100 (Notable)
Wallan (Walnarring)	Australia	Record daily precipitation	28.7 mm (1.1 in)	43 of 100 (Notable)
Lancefield	Australia	Record daily precipitation	51.1 mm (2.0 in)	43 of 100 (Notable)
Glenaroua	Australia	Record daily precipitation	33.3 mm (1.3 in)	43 of 100 (Notable)
Karnak (Rosedale)	Australia	Record daily precipitation	26.7 mm (1.1 in)	42 of 100 (Notable)
Yallook	Australia	Record daily precipitation	25.4 mm (1.0 in)	41 of 100 (Notable)
Kyneton Post Office	Australia	Record daily precipitation	37.3 mm (1.5 in)	41 of 100 (Notable)
Ararat Post Office	Australia	Record daily precipitation	27.9 mm (1.1 in)	40 of 100 (Notable)
Mount Gambier Post Office	Australia	Record daily precipitation	30.5 mm (1.2 in)	39 of 100 (Notable)
Penola Post Office	Australia	Record daily precipitation	28.2 mm (1.1 in)	39 of 100 (Notable)
Millicent	Australia	Record daily precipitation	28.7 mm (1.1 in)	37 of 100 (Notable)
Euroa	Australia	Record daily precipitation	26.7 mm (1.1 in)	37 of 100 (Notable)
Expedition Pass Reservoir	Australia	Record daily precipitation	31.8 mm (1.3 in)	37 of 100 (Notable)
Fryerstown	Australia	Record daily precipitation	29.2 mm (1.1 in)	36 of 100 (Notable)
Coleraine (Tulse Hill)	Australia	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Daylesford	Australia	Record daily precipitation	38.1 mm (1.5 in)	34 of 100 (Routine)
Kinglake West (Wallaby Creek)	Australia	Record daily precipitation	38.4 mm (1.5 in)	33 of 100 (Routine)
Elmore	Australia	Record daily precipitation	25.1 mm (1.0 in)	31 of 100 (Routine)
Pomonal Windy Ridge	Australia	Record daily precipitation	31.5 mm (1.2 in)	30 of 100 (Routine)
Woods Point	Australia	Record daily precipitation	45.7 mm (1.8 in)	30 of 100 (Routine)
Bungaree (Kirks Reservoir)	Australia	Record daily precipitation	40.1 mm (1.6 in)	30 of 100 (Routine)
Bright Post Office	Australia	Record daily precipitation	37.8 mm (1.5 in)	28 of 100 (Routine)
Ballan	Australia	Record daily precipitation	26.7 mm (1.1 in)	28 of 100 (Routine)
Maldon (Derby Hill)	Australia	Record daily precipitation	25.9 mm (1.0 in)	28 of 100 (Routine)
Lake Eildon	Australia	Record daily precipitation	25.7 mm (1.0 in)	27 of 100 (Routine)
Metcalfe	Australia	Record daily precipitation	35.6 mm (1.4 in)	26 of 100 (Routine)
Coromandel Valley (Branden)	Australia	Record daily precipitation	27.4 mm (1.1 in)	23 of 100 (Routine)
Tolmie (Langley)	Australia	Record daily precipitation	33.5 mm (1.3 in)	23 of 100 (Routine)
Needles	United States	Record low maximum temperature	28.9 C (84.0 F)	23 of 100 (Routine)
Goornong	Australia	Record daily precipitation	27.7 mm (1.1 in)	22 of 100 (Routine)
Warburton	Australia	Record daily precipitation	31.0 mm (1.2 in)	22 of 100 (Routine)
Streatham (Pretty Tower)	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Murtoa	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Yea	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Stawell	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Cavendish (Post Office)	Australia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Towaninnie	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Lake Marmal	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Leitchville Post Office	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Mitiamo 1	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Warooka	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Dingee	Australia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Dookie Agricultural College	Australia	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Jeruk	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Horsham Polkemmet Rd	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Runnymede	Australia	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Kerang (Meran Downs)	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Bendigo Prison	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Rushworth	Australia	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)

Counts by Type and Timescale

280 records

Records set or tied on 23 August 1921 by type: Highest daily maximum 10, Lowest daily maximum 3, Highest daily minimum 5, Lowest daily minimum 15, Heaviest daily rainfall 247.

Records on 23 August 1921 by type
Record type	Records
Highest daily maximum	10
Lowest daily maximum	3
Highest daily minimum	5
Lowest daily minimum	15
Heaviest daily rainfall	247
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 August 1921 by timescale: all-time 0, monthly 1, daily 279.

How Much Records Were Beaten By

261 broken records

Margins by which the 261 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 41.4. Ties are not counted.

Top 20 by Significance

23 August 1921

Top 20 records on 23 August 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 August 1921	Barkers Creek Reservoir, AU	daily rain	39.1 mm (1.5 in)	26.7 mm (1.1 in)	46 years	56 of 100 (Notable)
23 August 1921	Beales Reservoir, AU	daily rain	50.8 mm (2.0 in)	32.3 mm (1.3 in)	28 years	52 of 100 (Notable)
23 August 1921	Alexandra (Post Office), AU	daily rain	31.0 mm (1.2 in)	23.9 mm (0.9 in)	29 years	52 of 100 (Notable)
23 August 1921	Gredgwin (Barraport North), AU	daily rain	25.9 mm (1.0 in)	21.3 mm (0.8 in)	29 years	51 of 100 (Notable)
23 August 1921	Kilmore Assumption College, AU	daily rain	38.4 mm (1.5 in)	30.3 mm (1.2 in)	28 years	51 of 100 (Notable)
23 August 1921	Lyonville, AU	daily rain	57.7 mm (2.3 in)	36.6 mm (1.4 in)	35 years	51 of 100 (Notable)
23 August 1921	Amphitheatre, AU	daily rain	32.0 mm (1.3 in)	25.6 mm (1.0 in)	22 years	49 of 100 (Notable)
23 August 1921	Ballarat Botanical Gardens, AU	daily rain	30.0 mm (1.2 in)	22.6 mm (0.9 in)	15 years	48 of 100 (Notable)
23 August 1921	Malmsbury Reservoir, AU	daily rain	35.6 mm (1.4 in)	20.1 mm (0.8 in)	46 years	47 of 100 (Notable)
23 August 1921	Willaura (Yarram Park), AU	daily rain	30.0 mm (1.2 in)	19.8 mm (0.8 in)	15 years	47 of 100 (Notable)
23 August 1921	Edenhope (Post Office), AU	daily rain	28.4 mm (1.1 in)	17.5 mm (0.7 in)	15 years	46 of 100 (Notable)
23 August 1921	Heathcote, AU	daily rain	31.5 mm (1.2 in)	26.4 mm (1.0 in)	29 years	46 of 100 (Notable)
23 August 1921	Wallan (Walnarring), AU	daily rain	28.7 mm (1.1 in)	20.8 mm (0.8 in)	19 years	43 of 100 (Notable)
23 August 1921	Lancefield, AU	daily rain	51.1 mm (2.0 in)	41.4 mm (1.6 in)	3 years	43 of 100 (Notable)
23 August 1921	Glenaroua, AU	daily rain	33.3 mm (1.3 in)	26.9 mm (1.1 in)	6 years	43 of 100 (Notable)
23 August 1921	Karnak (Rosedale), AU	daily rain	26.7 mm (1.1 in)	18.1 mm (0.7 in)	4 years	42 of 100 (Notable)
23 August 1921	Yallook, AU	daily rain	25.4 mm (1.0 in)	20.3 mm (0.8 in)	15 years	41 of 100 (Notable)
23 August 1921	Kyneton Post Office, AU	daily rain	37.3 mm (1.5 in)	17.7 mm (0.7 in)	46 years	41 of 100 (Notable)
23 August 1921	Ararat Post Office, AU	daily rain	27.9 mm (1.1 in)	18.0 mm (0.7 in)	15 years	40 of 100 (Notable)
23 August 1921	Mount Gambier Post Office, AU	daily rain	30.5 mm (1.2 in)	9.2 mm (0.36 in)	56 years	39 of 100 (Notable)

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

1802 to 1921

Records set or tied on this calendar date in each year from 1802 to 1921. 1921 had 280 records.

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

Records on 08-23 in each year
Year	Records
1802	1
1805	1
1813	2
1816	2
1817	1
1818	1
1829	1
1839	3
1840	1
1846	1
1847	1
1848	1
1853	2
1857	1
1858	1
1864	1
1867	1
1869	1
1870	1
1871	1
1874	2
1877	2
1881	1
1882	2
1883	1
1884	2
1886	1
1887	2
1890	3
1891	4
1892	4
1893	4
1894	2
1895	3
1896	6
1897	1
1898	8
1899	8
1900	2
1901	10
1902	9
1903	9
1904	6
1905	8
1906	27
1907	15
1908	18
1909	10
1910	15
1911	23
1912	44
1913	9
1914	23
1915	63
1916	23
1917	26
1918	91
1919	24
1920	102
1921	280
1922	58
1923	284
1924	127
1925	182
1926	99
1927	198
1928	196
1929	240
1930	432
1931	412
1932	211
1933	342
1934	308
1935	220
1936	980
1937	522
1938	654
1939	439
1940	535
1941	375
1942	540
1943	505
1944	578
1945	338
1946	416
1947	1,071
1948	594
1949	456
1950	461
1951	347
1952	456
1953	292
1954	438
1955	375
1956	501
1957	645
1958	402
1959	494
1960	806
1961	644
1962	364
1963	380
1964	724
1965	357
1966	802
1967	541
1968	1,384
1969	728
1970	518
1971	610
1972	614
1973	650
1974	612
1975	627
1976	703
1977	557
1978	577
1979	459
1980	552
1981	663
1982	713
1983	1,264
1984	862
1985	1,187
1986	839
1987	1,119
1988	1,604
1989	902
1990	661
1991	697
1992	1,291
1993	796
1994	738
1995	1,212
1996	1,161
1997	1,599
1998	1,138
1999	802
2000	936
2001	834
2002	931
2003	1,103
2004	862
2005	786
2006	728
2007	1,513
2008	966
2009	1,241
2010	1,244
2011	1,412
2012	688
2013	397
2014	960
2015	673
2016	595
2017	543
2018	479
2019	445
2020	1,093
2021	629
2022	781
2023	1,287
2024	1,150
2025	1,295
2026	592

Download the Data

Data for records on 1921-08-23: 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 23 August 1921
Margin	Records
0 to 10	180
10 to 20	64
20 to 30	13
30 to 40	3
40 to 50	1