Weather Records on 25 August 1921

50 weather records were set or tied worldwide on 25 August 1921. Highest significance: Junsele, SE.

Key Facts for 25 August 1921

On 25 August 1921, 50 weather records were set or tied at long-record stations worldwide.
17 were record highs and 16 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 50 daily.
Junsele set a daily record precipitation of 33.1 mm (1.3 in) on 25 August 1921.
Across 168 earlier years (1796 to 2026) the same calendar date averaged 440 records.

Record Map

50 stations

50 station records on 25 August 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 August 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Junsele	Sweden	Record daily precipitation	33.1 mm (1.3 in)	35 of 100 (Notable)
Minnedosa	Canada	Record daily precipitation	29.0 mm (1.1 in)	29 of 100 (Routine)
Montgomery Wb City	United States	Record low maximum temperature	27.2 C (81.0 F)	22 of 100 (Routine)
Wilmington Wb City	United States	Record low minimum temperature	14.4 C (57.9 F)	21 of 100 (Routine)
Jokkmokk	Sweden	Record daily precipitation	20.5 mm (0.8 in)	20 of 100 (Routine)
Sfax El-Maou	Tunisia	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Bamberg (Sternwarte)	Germany	Record daily precipitation	13.3 mm (0.5 in)	20 of 100 (Routine)
Constantine	Algeria	Record low maximum temperature	22.0 C (71.6 F)	20 of 100 (Routine)
Jacksonville Wb City	United States	Record low maximum temperature	26.1 C (79.0 F)	20 of 100 (Routine)
Constantine	Algeria	Record daily precipitation	14.0 mm (0.6 in)	19 of 100 (Routine)
Weldon	United States	Record low minimum temperature	10.0 C (50.0 F)	19 of 100 (Routine)
Setauket Strong	United States	Record low minimum temperature	11.1 C (52.0 F)	18 of 100 (Routine)
St Albans	Canada	Record daily precipitation	12.4 mm (0.5 in)	17 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record daily precipitation	19.5 mm (0.8 in)	17 of 100 (Routine)
Sveg	Sweden	Record high minimum temperature	11.0 C (51.8 F)	17 of 100 (Routine)
Tunis	Tunisia	Record daily precipitation	4.6 mm (0.18 in)	17 of 100 (Routine)
Sidi-Bel-Abbes	Algeria	Record low maximum temperature	29.0 C (84.2 F)	15 of 100 (Routine)
Bathurst Gaol	Australia	Record low maximum temperature	8.9 C (48.0 F)	15 of 100 (Routine)
Kirchdorf/Poel	Germany	Record high maximum temperature	29.5 C (85.1 F)	15 of 100 (Routine)
Sarna	Sweden	Record daily precipitation	21.1 mm (0.8 in)	15 of 100 (Routine)
Karesuando	Sweden	Record daily precipitation	14.3 mm (0.6 in)	15 of 100 (Routine)
Franklin	United States	Record high minimum temperature	22.2 C (72.0 F)	15 of 100 (Routine)
Tarnaby	Sweden	Record daily precipitation	9.8 mm (0.39 in)	14 of 100 (Routine)
Brandon Cda	Canada	Record high minimum temperature	15.6 C (60.1 F)	13 of 100 (Routine)
Marfield	Australia	Record daily precipitation	10.2 mm (0.4 in)	12 of 100 (Routine)
Magdeburg	Germany	Record high maximum temperature	30.6 C (87.1 F)	12 of 100 (Routine)
Mahackala	Russia	Record daily precipitation	11.2 mm (0.4 in)	12 of 100 (Routine)
Horton	United States	Record high minimum temperature	21.7 C (71.1 F)	10 of 100 (Routine)
Concordia ASOS	United States	Record high minimum temperature	23.3 C (73.9 F)	10 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record high minimum temperature	22.8 C (73.0 F)	10 of 100 (Routine)
Foster (Post Office)	Australia	Record daily precipitation	16.5 mm (0.6 in)	9 of 100 (Routine)
Harnosand	Sweden	Record high minimum temperature	14.0 C (57.2 F)	9 of 100 (Routine)
Jonkoping	Sweden	Record high maximum temperature	24.5 C (76.1 F)	9 of 100 (Routine)
Batesville	United States	Record high maximum temperature	36.1 C (97.0 F)	7 of 100 (Routine)
Tashkent	Uzbekistan	Record high maximum temperature	37.0 C (98.6 F)	7 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record high maximum temperature	39.4 C (102.9 F)	6 of 100 (Routine)
Fort Chipewyan	Canada	Record daily precipitation	5.1 mm (0.20 in)	5 of 100 (Routine)
Fredericton Unb	Canada	Record low minimum temperature	5.0 C (41.0 F)	4 of 100 (Routine)
Jacksonville Wb City	United States	Record low minimum temperature	20.0 C (68.0 F)	4 of 100 (Routine)
Vastervik	Sweden	Record high maximum temperature	23.5 C (74.3 F)	3 of 100 (Routine)
Jonkoping	Sweden	Record daily precipitation	12.8 mm (0.5 in)	3 of 100 (Routine)
Tunis	Tunisia	Record low maximum temperature	27.0 C (80.6 F)	3 of 100 (Routine)
Middletown 4 W	United States	Record low minimum temperature	6.1 C (43.0 F)	3 of 100 (Routine)
Cape May 2 NW	United States	Record low minimum temperature	13.9 C (57.0 F)	3 of 100 (Routine)
Tunis	Tunisia	Record high minimum temperature	24.0 C (75.2 F)	2 of 100 (Routine)
Sfax El-Maou	Tunisia	Record high maximum temperature	34.0 C (93.2 F)	2 of 100 (Routine)
Wilmington Wb City	United States	Record low maximum temperature	25.6 C (78.1 F)	2 of 100 (Routine)
Sidi-Bel-Abbes	Algeria	Record low minimum temperature	11.0 C (51.8 F)	1 of 100 (Routine)
Moorestown 4 E	United States	Record low minimum temperature	12.8 C (55.0 F)	1 of 100 (Routine)
Concordia ASOS	United States	Record high maximum temperature	40.0 C (104.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

50 records

Records set or tied on 25 August 1921 by type: Highest daily maximum 9, Lowest daily maximum 7, Highest daily minimum 8, Lowest daily minimum 9, Heaviest daily rainfall 17.

Records on 25 August 1921 by type
Record type	Records
Highest daily maximum	9
Lowest daily maximum	7
Highest daily minimum	8
Lowest daily minimum	9
Heaviest daily rainfall	17
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 25 August 1921 by timescale: all-time 0, monthly 0, daily 50.

How Much Records Were Beaten By

37 broken records

Margins by which the 37 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 15.5. Ties are not counted.

Top 20 by Significance

25 August 1921

Top 20 records on 25 August 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 August 1921	Junsele, SE	daily rain	33.1 mm (1.3 in)	15.1 mm (0.6 in)	25 years	35 of 100 (Notable)
25 August 1921	Minnedosa, CA	daily rain	29.0 mm (1.1 in)	15.5 mm (0.6 in)	12 years	29 of 100 (Routine)
25 August 1921	Montgomery Wb City, US	daily low max	27.2 C (81.0 F)	2.2 C (4.0 F)	26 years	22 of 100 (Routine)
25 August 1921	Wilmington Wb City, US	daily low min	14.4 C (57.9 F)	1.7 C (3.1 F)	32 years	21 of 100 (Routine)
25 August 1921	Jokkmokk, SE	daily rain	20.5 mm (0.8 in)	5.6 mm (0.22 in)	52 years	20 of 100 (Routine)
25 August 1921	Sfax El-Maou, TN	daily rain	14.2 mm (0.6 in)	13.2 mm (0.5 in)	33 years	20 of 100 (Routine)
25 August 1921	Bamberg (Sternwarte), DE	daily rain	13.3 mm (0.5 in)	5.5 mm (0.22 in)	41 years	20 of 100 (Routine)
25 August 1921	Constantine, DZ	daily low max	22.0 C (71.6 F)	4.0 C (7.2 F)	28 years	20 of 100 (Routine)
25 August 1921	Jacksonville Wb City, US	daily low max	26.1 C (79.0 F)	2.2 C (4.0 F)	19 years	20 of 100 (Routine)
25 August 1921	Constantine, DZ	daily rain	14.0 mm (0.6 in)	10.0 mm (0.4 in)	25 years	19 of 100 (Routine)
25 August 1921	Weldon, US	daily low min	10.0 C (50.0 F)	2.2 C (4.0 F)	32 years	19 of 100 (Routine)
25 August 1921	Setauket Strong, US	daily low min	11.1 C (52.0 F)	1.7 C (3.1 F)	30 years	18 of 100 (Routine)
25 August 1921	St Albans, CA	daily rain	12.4 mm (0.5 in)	5.0 mm (0.20 in)	30 years	17 of 100 (Routine)
25 August 1921	Oestersund-Froesoen, SE	daily rain	19.5 mm (0.8 in)	2.1 mm (0.08 in)	27 years	17 of 100 (Routine)
25 August 1921	Sveg, SE	daily high min	11.0 C (51.8 F)	1.0 C (1.8 F)	38 years	17 of 100 (Routine)
25 August 1921	Tunis, TN	daily rain	4.6 mm (0.18 in)	4.6 mm (0.18 in)	34 years	17 of 100 (Routine)
25 August 1921	Sidi-Bel-Abbes, DZ	daily low max	29.0 C (84.2 F)	1.0 C (1.8 F)	32 years	15 of 100 (Routine)
25 August 1921	Bathurst Gaol, AU	daily low max	8.9 C (48.0 F)	1.2 C (2.2 F)	21 years	15 of 100 (Routine)
25 August 1921	Kirchdorf/Poel, DE	daily high max	29.5 C (85.1 F)	1.3 C (2.3 F)	28 years	15 of 100 (Routine)
25 August 1921	Sarna, SE	daily rain	21.1 mm (0.8 in)	5.9 mm (0.23 in)	12 years	15 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

1796 to 1921

Records set or tied on this calendar date in each year from 1796 to 1921. 1921 had 50 records.

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

Records on 08-25 in each year
Year	Records
1796	1
1801	1
1802	1
1807	2
1809	1
1813	1
1814	1
1816	1
1818	2
1837	1
1838	2
1839	1
1848	1
1852	1
1855	2
1859	1
1861	2
1864	1
1867	2
1869	1
1870	1
1871	2
1872	2
1875	1
1876	5
1877	3
1879	3
1880	2
1884	1
1885	2
1886	1
1887	1
1889	1
1890	3
1892	4
1893	8
1894	2
1895	4
1896	2
1897	2
1898	2
1899	5
1900	13
1901	11
1902	6
1903	13
1904	11
1905	12
1906	29
1907	15
1908	13
1909	22
1910	32
1911	32
1912	32
1913	31
1914	30
1915	94
1916	18
1917	65
1918	37
1919	172
1920	174
1921	50
1922	70
1923	117
1924	402
1925	145
1926	224
1927	356
1928	167
1929	174
1930	247
1931	251
1932	270
1933	307
1934	457
1935	317
1936	859
1937	333
1938	620
1939	366
1940	658
1941	474
1942	514
1943	496
1944	589
1945	462
1946	305
1947	627
1948	876
1949	281
1950	327
1951	352
1952	585
1953	461
1954	520
1955	711
1956	273
1957	479
1958	958
1959	576
1960	585
1961	487
1962	398
1963	510
1964	557
1965	401
1966	715
1967	439
1968	596
1969	631
1970	721
1971	628
1972	596
1973	537
1974	466
1975	650
1976	459
1977	731
1978	702
1979	828
1980	750
1981	671
1982	907
1983	1,277
1984	694
1985	1,048
1986	778
1987	1,533
1988	815
1989	918
1990	817
1991	688
1992	1,680
1993	1,137
1994	617
1995	1,206
1996	1,058
1997	1,553
1998	1,138
1999	895
2000	790
2001	1,021
2002	1,073
2003	872
2004	947
2005	874
2006	1,020
2007	1,345
2008	1,026
2009	824
2010	1,321
2011	1,332
2012	709
2013	619
2014	853
2015	1,157
2016	887
2017	432
2018	438
2019	708
2020	931
2021	597
2022	672
2023	1,565
2024	909
2025	1,071
2026	886

Download the Data

Data for records on 1921-08-25: 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 2	18
2 to 4	6
4 to 6	8
6 to 8	0
8 to 10	1
10 to 12	1
12 to 14	1
14 to 16	2