Weather Records on 21 August 1925

220 weather records were set or tied worldwide on 21 August 1925. Highest significance: Waitchie, AU.

Key Facts for 21 August 1925

On 21 August 1925, 220 weather records were set or tied at long-record stations worldwide.
71 were record highs and 97 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 7 monthly and 211 daily.
Waitchie set a daily record precipitation of 25.7 mm (1.0 in) on 21 August 1925.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 451 records.

Record Map

220 stations

220 station records on 21 August 1925 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 1925: highest significance records shown on the map
Station	Country	Type	Value	Significance
Waitchie	Australia	Record daily precipitation	25.7 mm (1.0 in)	47 of 100 (Notable)
Willunga	Australia	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Canton 4N	United States	Record high minimum temperature	27.8 C (82.0 F)	32 of 100 (Routine)
Clanton	United States	Record high maximum temperature	40.6 C (105.1 F)	28 of 100 (Routine)
Praha-Klementinum	Czech Republic	Record daily precipitation	27.1 mm (1.1 in)	27 of 100 (Routine)
Franklin	United States	Record daily precipitation	28.7 mm (1.1 in)	26 of 100 (Routine)
Durham	United Kingdom	Record daily precipitation	31.2 mm (1.2 in)	25 of 100 (Routine)
Hallettsville 2 N	United States	Record high maximum temperature	42.2 C (108.0 F)	25 of 100 (Routine)
Carabost	Australia	Record daily precipitation	29.5 mm (1.2 in)	23 of 100 (Routine)
Tallahassee	United States	Record high minimum temperature	26.1 C (79.0 F)	23 of 100 (Routine)
Lake Mills Wwtp	United States	Record low minimum temperature	4.4 C (39.9 F)	23 of 100 (Routine)
Marion	United States	Record low minimum temperature	12.2 C (54.0 F)	21 of 100 (Routine)
Aldinga Post Office	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Swan Hill (Murray Downs)	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Tumby Bay (Hillview)	Australia	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Fort Bourke	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Branxholme (Bassett)	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Gnomery	Australia	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Lakefield	Canada	Record high minimum temperature	23.3 C (73.9 F)	20 of 100 (Routine)
Hutchinson River	United States	Record low minimum temperature	11.1 C (52.0 F)	20 of 100 (Routine)
Fallston	United States	Record daily precipitation	33.3 mm (1.3 in)	20 of 100 (Routine)
Walgett Council Depot	Australia	Record daily precipitation	17.8 mm (0.7 in)	19 of 100 (Routine)
Cap Madeleine	Canada	Record daily precipitation	20.3 mm (0.8 in)	19 of 100 (Routine)
Taunton	United States	Record low maximum temperature	15.6 C (60.1 F)	19 of 100 (Routine)
Pontotoc	United States	Record low minimum temperature	13.3 C (55.9 F)	19 of 100 (Routine)
Granite Reef Dam	United States	Record high minimum temperature	31.7 C (89.1 F)	18 of 100 (Routine)
Abbeville	United States	Record high maximum temperature	37.8 C (100.0 F)	18 of 100 (Routine)
Bowling Green Warren Co AP	United States	Record daily precipitation	26.9 mm (1.1 in)	18 of 100 (Routine)
Bourke Post Office	Australia	Record daily precipitation	15.7 mm (0.6 in)	17 of 100 (Routine)
Coonamble Comparison	Australia	Record daily precipitation	12.7 mm (0.5 in)	17 of 100 (Routine)
Boggabri (Ghoolendaadi)	Australia	Record daily precipitation	16.5 mm (0.6 in)	17 of 100 (Routine)
Mudgee (George Street)	Australia	Record daily precipitation	11.9 mm (0.5 in)	17 of 100 (Routine)
Adaminaby Alpine Tourist Park	Australia	Record daily precipitation	15.7 mm (0.6 in)	17 of 100 (Routine)
Urangeline	Australia	Record daily precipitation	8.4 mm (0.33 in)	17 of 100 (Routine)
Merino	Australia	Record daily precipitation	16.3 mm (0.6 in)	17 of 100 (Routine)
Dahlonega 4WSW	United States	Record high minimum temperature	22.2 C (72.0 F)	17 of 100 (Routine)
Woodville 4 ESE	United States	Record high minimum temperature	25.0 C (77.0 F)	17 of 100 (Routine)
Towanda 1 S	United States	Record low maximum temperature	16.7 C (62.1 F)	17 of 100 (Routine)
Flandreau	United States	Record low minimum temperature	3.3 C (37.9 F)	17 of 100 (Routine)
Rowlesburg 1	United States	Record daily precipitation	20.8 mm (0.8 in)	17 of 100 (Routine)
Beachport	Australia	Record daily precipitation	18.8 mm (0.7 in)	16 of 100 (Routine)
Coonamble (Pier Pier)	Australia	Record daily precipitation	10.7 mm (0.4 in)	16 of 100 (Routine)
Cudgewa North	Australia	Record daily precipitation	25.9 mm (1.0 in)	16 of 100 (Routine)
Tucson WFO	United States	Record high minimum temperature	27.2 C (81.0 F)	16 of 100 (Routine)
Decorah	United States	Record low minimum temperature	4.4 C (39.9 F)	16 of 100 (Routine)
Winterset 4N	United States	Record low minimum temperature	8.3 C (46.9 F)	16 of 100 (Routine)
Darlington	United States	Record daily precipitation	39.6 mm (1.6 in)	16 of 100 (Routine)
Farmington 3NW	United States	Record low minimum temperature	4.4 C (39.9 F)	16 of 100 (Routine)
Woodville 4 ESE	United States	Record high maximum temperature	37.8 C (100.0 F)	16 of 100 (Routine)
Aberdeen	United States	Record high minimum temperature	15.0 C (59.0 F)	16 of 100 (Routine)
St Georges	Canada	Record high minimum temperature	18.9 C (66.0 F)	15 of 100 (Routine)
Ft Deposit	United States	Record high maximum temperature	38.9 C (102.0 F)	15 of 100 (Routine)
Pushmataha	United States	Record high minimum temperature	23.9 C (75.0 F)	15 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record high minimum temperature	24.4 C (75.9 F)	15 of 100 (Routine)
Humboldt 3 W	United States	Record low minimum temperature	6.1 C (43.0 F)	15 of 100 (Routine)
Cheneyville 1 NE	United States	Record high maximum temperature	39.4 C (102.9 F)	15 of 100 (Routine)
Princess Anne	United States	Record low maximum temperature	22.2 C (72.0 F)	15 of 100 (Routine)
Bay Saint Louis	United States	Record high maximum temperature	37.2 C (99.0 F)	15 of 100 (Routine)
Eutawville	United States	Record high maximum temperature	38.9 C (102.0 F)	15 of 100 (Routine)
New Braunfels	United States	Record low minimum temperature	20.6 C (69.1 F)	15 of 100 (Routine)

Counts by Type and Timescale

220 records

Records set or tied on 21 August 1925 by type: Highest daily maximum 35, Lowest daily maximum 33, Highest daily minimum 36, Lowest daily minimum 64, Heaviest daily rainfall 52.

Records on 21 August 1925 by type
Record type	Records
Highest daily maximum	35
Lowest daily maximum	33
Highest daily minimum	36
Lowest daily minimum	64
Heaviest daily rainfall	52
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 1925 by timescale: all-time 2, monthly 7, daily 211.

How Much Records Were Beaten By

157 broken records

Margins by which the 157 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.8. Ties are not counted.

Top 20 by Significance

21 August 1925

Top 20 records on 21 August 1925 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 1925	Waitchie, AU	daily rain	25.7 mm (1.0 in)	16.6 mm (0.7 in)	30 years	47 of 100 (Notable)
21 August 1925	Willunga, AU	daily rain	25.4 mm (1.0 in)	12.7 mm (0.5 in)	22 years	37 of 100 (Notable)
21 August 1925	Canton 4N, US	monthly high min	27.8 C (82.0 F)	2.2 C (4.0 F)	28 years	32 of 100 (Routine)
21 August 1925	Clanton, US	all-time high max	40.6 C (105.1 F)	0.6 C (1.1 F)	11 years	28 of 100 (Routine)
21 August 1925	Praha-Klementinum, CZ	daily rain	27.1 mm (1.1 in)	0.5 mm (0.02 in)	58 years	27 of 100 (Routine)
21 August 1925	Franklin, US	daily rain	28.7 mm (1.1 in)	20.8 mm (0.8 in)	24 years	26 of 100 (Routine)
21 August 1925	Durham, GB	daily rain	31.2 mm (1.2 in)	6.0 mm (0.24 in)	33 years	25 of 100 (Routine)
21 August 1925	Hallettsville 2 N, US	all-time high max	42.2 C (108.0 F)	0.5 C (0.9 F)	0 years	25 of 100 (Routine)
21 August 1925	Carabost, AU	daily rain	29.5 mm (1.2 in)	6.9 mm (0.27 in)	38 years	23 of 100 (Routine)
21 August 1925	Tallahassee, US	monthly high min	26.1 C (79.0 F)	0.5 C (0.9 F)	21 years	23 of 100 (Routine)
21 August 1925	Lake Mills Wwtp, US	daily low min	4.4 C (39.9 F)	4.5 C (8.1 F)	30 years	23 of 100 (Routine)
21 August 1925	Marion, US	daily low min	12.2 C (54.0 F)	2.2 C (4.0 F)	31 years	21 of 100 (Routine)
21 August 1925	Aldinga Post Office, AU	daily rain	19.1 mm (0.8 in)	8.2 mm (0.32 in)	30 years	20 of 100 (Routine)
21 August 1925	Swan Hill (Murray Downs), AU	daily rain	20.3 mm (0.8 in)	6.1 mm (0.24 in)	30 years	20 of 100 (Routine)
21 August 1925	Tumby Bay (Hillview), AU	daily rain	17.0 mm (0.7 in)	6.8 mm (0.27 in)	24 years	20 of 100 (Routine)
21 August 1925	Fort Bourke, AU	daily rain	12.7 mm (0.5 in)	9.9 mm (0.39 in)	38 years	20 of 100 (Routine)
21 August 1925	Branxholme (Bassett), AU	daily rain	16.8 mm (0.7 in)	5.9 mm (0.23 in)	26 years	20 of 100 (Routine)
21 August 1925	Gnomery, AU	daily rain	7.6 mm (0.30 in)	6.3 mm (0.25 in)	38 years	20 of 100 (Routine)
21 August 1925	Lakefield, CA	daily high min	23.3 C (73.9 F)	3.3 C (5.9 F)	25 years	20 of 100 (Routine)
21 August 1925	Hutchinson River, US	daily low min	11.1 C (52.0 F)	3.3 C (5.9 F)	27 years	20 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

1800 to 1925

Records set or tied on this calendar date in each year from 1800 to 1925. 1925 had 220 records.

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

Records on 08-21 in each year
Year	Records
1800	1
1802	1
1804	1
1807	1
1816	1
1818	1
1832	1
1834	1
1839	3
1843	1
1847	1
1849	3
1850	1
1851	2
1863	1
1866	1
1867	2
1870	3
1871	2
1872	1
1873	1
1876	1
1877	2
1879	2
1884	2
1885	5
1886	1
1887	5
1888	2
1889	3
1890	4
1891	2
1893	4
1894	8
1895	3
1896	2
1897	4
1898	4
1899	7
1900	4
1901	9
1902	8
1903	6
1904	8
1905	4
1906	22
1907	20
1908	13
1909	17
1910	33
1911	19
1912	50
1913	37
1914	24
1915	21
1916	106
1917	101
1918	202
1919	19
1920	59
1921	34
1922	58
1923	111
1924	135
1925	220
1926	227
1927	228
1928	110
1929	234
1930	297
1931	277
1932	264
1933	328
1934	320
1935	318
1936	807
1937	762
1938	239
1939	630
1940	683
1941	180
1942	415
1943	438
1944	346
1945	544
1946	390
1947	954
1948	305
1949	508
1950	958
1951	699
1952	368
1953	331
1954	497
1955	885
1956	701
1957	490
1958	389
1959	704
1960	490
1961	644
1962	469
1963	338
1964	794
1965	455
1966	661
1967	541
1968	1,014
1969	650
1970	373
1971	660
1972	441
1973	438
1974	564
1975	545
1976	756
1977	764
1978	445
1979	778
1980	904
1981	1,015
1982	769
1983	1,407
1984	975
1985	623
1986	1,166
1987	740
1988	889
1989	828
1990	910
1991	828
1992	957
1993	698
1994	968
1995	962
1996	950
1997	1,291
1998	948
1999	717
2000	861
2001	797
2002	965
2003	1,241
2004	1,585
2005	1,071
2006	797
2007	1,829
2008	1,012
2009	1,319
2010	1,155
2011	1,022
2012	990
2013	513
2014	624
2015	651
2016	890
2017	347
2018	816
2019	631
2020	1,147
2021	767
2022	917
2023	1,826
2024	777
2025	1,230
2026	1,289

Download the Data

Data for records on 1925-08-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 5	135
5 to 10	15
10 to 15	4
15 to 20	2
20 to 25	1