Weather Records on 25 March 1921

73 weather records were set or tied worldwide on 25 March 1921. Highest significance: Sydney (Observatory Hill), AU.

Key Facts for 25 March 1921

On 25 March 1921, 73 weather records were set or tied at long-record stations worldwide.
57 were record highs and 0 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 70 daily.
Sydney (Observatory Hill) set a daily record high maximum temperature of 37.3 C (99.1 F) on 25 March 1921.
Across 164 earlier years (1806 to 2026) the same calendar date averaged 472 records.

Record Map

73 stations

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

Weather records on 25 March 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sydney (Observatory Hill)	Australia	Record high maximum temperature	37.3 C (99.1 F)	29 of 100 (Routine)
Vestervig	Denmark	Record high minimum temperature	6.2 C (43.2 F)	24 of 100 (Routine)
Sandvig	Denmark	Record high minimum temperature	4.7 C (40.5 F)	22 of 100 (Routine)
Innsbruck	Austria	Record high maximum temperature	21.8 C (71.2 F)	21 of 100 (Routine)
Medicine Hat A	Canada	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Gardiner	United States	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Quebec	Canada	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Bathurst Gaol	Australia	Record high maximum temperature	33.3 C (91.9 F)	20 of 100 (Routine)
Stoney Creek	Canada	Record high minimum temperature	7.8 C (46.0 F)	19 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record high minimum temperature	6.0 C (42.8 F)	19 of 100 (Routine)
Hingham (1)	United States	Record daily precipitation	23.6 mm (0.9 in)	19 of 100 (Routine)
Kristianstad	Sweden	Record high minimum temperature	6.0 C (42.8 F)	18 of 100 (Routine)
Parry Sound	Canada	Record daily precipitation	8.9 mm (0.35 in)	17 of 100 (Routine)
Wiarton	Canada	Record daily precipitation	16.0 mm (0.6 in)	17 of 100 (Routine)
Vastervik	Sweden	Record high minimum temperature	6.5 C (43.7 F)	17 of 100 (Routine)
Stockholm	Sweden	Record high minimum temperature	6.0 C (42.8 F)	16 of 100 (Routine)
Nordby (Fano)	Denmark	Record high minimum temperature	6.4 C (43.5 F)	15 of 100 (Routine)
Plauen	Germany	Record high maximum temperature	19.5 C (67.1 F)	15 of 100 (Routine)
Vanersborg	Sweden	Record high minimum temperature	4.0 C (39.2 F)	15 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record high maximum temperature	13.0 C (55.4 F)	15 of 100 (Routine)
Kiev	Ukraine	Record high maximum temperature	20.3 C (68.5 F)	15 of 100 (Routine)
Atlantic City Marina	United States	Record high maximum temperature	17.8 C (64.0 F)	15 of 100 (Routine)
Walgett Council Depot	Australia	Record high maximum temperature	37.8 C (100.0 F)	14 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record high minimum temperature	5.3 C (41.5 F)	14 of 100 (Routine)
Johnsonville	United States	Record daily precipitation	26.4 mm (1.0 in)	14 of 100 (Routine)
Salzburg	Austria	Record high maximum temperature	20.0 C (68.0 F)	13 of 100 (Routine)
Toronto	Canada	Record high minimum temperature	7.2 C (45.0 F)	13 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record high minimum temperature	5.0 C (41.0 F)	13 of 100 (Routine)
Tarnaby	Sweden	Record daily precipitation	8.9 mm (0.35 in)	13 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high minimum temperature	11.1 C (52.0 F)	13 of 100 (Routine)
Lindsay	Canada	Record high minimum temperature	5.0 C (41.0 F)	12 of 100 (Routine)
Karlsruhe	Germany	Record high maximum temperature	20.8 C (69.4 F)	12 of 100 (Routine)
Husum	Germany	Record high minimum temperature	6.7 C (44.1 F)	12 of 100 (Routine)
Orebro	Sweden	Record high minimum temperature	3.8 C (38.8 F)	12 of 100 (Routine)
Killalpaninna	Australia	Record daily precipitation	8.1 mm (0.32 in)	11 of 100 (Routine)
Kvikkjokk-Arrenjarka	Sweden	Record high minimum temperature	-1.5 C (29.3 F)	11 of 100 (Routine)
Jonkoping	Sweden	Record high minimum temperature	5.0 C (41.0 F)	11 of 100 (Routine)
Sfax El-Maou	Tunisia	Record daily precipitation	9.0 mm (0.35 in)	11 of 100 (Routine)
Sonnblick	Austria	Record high maximum temperature	-1.7 C (28.9 F)	10 of 100 (Routine)
Coldwater	Canada	Record high minimum temperature	2.8 C (37.0 F)	10 of 100 (Routine)
Port Dover	Canada	Record high minimum temperature	7.2 C (45.0 F)	10 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record high maximum temperature	17.6 C (63.7 F)	10 of 100 (Routine)
Wrixum/Fohr	Germany	Record high minimum temperature	6.0 C (42.8 F)	10 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record high minimum temperature	21.7 C (71.1 F)	9 of 100 (Routine)
Moose Factory	Canada	Record high minimum temperature	1.7 C (35.1 F)	9 of 100 (Routine)
Quebec	Canada	Record high minimum temperature	2.8 C (37.0 F)	9 of 100 (Routine)
Nurnberg	Germany	Record high maximum temperature	19.6 C (67.3 F)	9 of 100 (Routine)
Visby_Flygplats	Sweden	Record high minimum temperature	3.8 C (38.8 F)	9 of 100 (Routine)
Boras	Sweden	Record high minimum temperature	3.5 C (38.3 F)	9 of 100 (Routine)
Concord	United States	Record high minimum temperature	7.2 C (45.0 F)	9 of 100 (Routine)
Plymouth	United States	Record high maximum temperature	20.0 C (68.0 F)	9 of 100 (Routine)
Mahackala	Russia	Record daily precipitation	7.0 mm (0.28 in)	8 of 100 (Routine)
Lucknow	Canada	Record daily precipitation	14.5 mm (0.6 in)	7 of 100 (Routine)
Tartu	Estonia	Record high minimum temperature	3.5 C (38.3 F)	7 of 100 (Routine)
Barkerville	Canada	Record daily precipitation	11.4 mm (0.4 in)	6 of 100 (Routine)
Barkerville	Canada	Record daily snowfall	11.4 cm (4.5 in)	6 of 100 (Routine)
Bancroft	Canada	Record high minimum temperature	4.4 C (39.9 F)	6 of 100 (Routine)
Tobolsk	Russia	Record high minimum temperature	-2.2 C (28.0 F)	6 of 100 (Routine)
Uman	Ukraine	Record high minimum temperature	4.8 C (40.6 F)	5 of 100 (Routine)
Medicine Hat A	Canada	Record daily snowfall	15.2 cm (6.0 in)	4 of 100 (Routine)

Counts by Type and Timescale

73 records

Records set or tied on 25 March 1921 by type: Highest daily maximum 15, Highest daily minimum 42, Heaviest daily rainfall 13, Heaviest daily snowfall 3.

Records on 25 March 1921 by type
Record type	Records
Highest daily maximum	15
Lowest daily maximum	0
Highest daily minimum	42
Lowest daily minimum	0
Heaviest daily rainfall	13
Heaviest daily snowfall	3
Deepest snow cover	0

Records on 25 March 1921 by timescale: all-time 0, monthly 3, daily 70.

How Much Records Were Beaten By

61 broken records

Margins by which the 61 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 18.8. Ties are not counted.

Top 20 by Significance

25 March 1921

Top 20 records on 25 March 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 March 1921	Sydney (Observatory Hill), AU	daily high max	37.3 C (99.1 F)	5.7 C (10.3 F)	12 years	29 of 100 (Routine)
25 March 1921	Vestervig, DK	daily high min	6.2 C (43.2 F)	3.0 C (5.4 F)	38 years	24 of 100 (Routine)
25 March 1921	Sandvig, DK	daily high min	4.7 C (40.5 F)	1.4 C (2.5 F)	46 years	22 of 100 (Routine)
25 March 1921	Innsbruck, AT	daily high max	21.8 C (71.2 F)	3.8 C (6.8 F)	34 years	21 of 100 (Routine)
25 March 1921	Medicine Hat A, CA	daily rain	15.2 mm (0.6 in)	11.4 mm (0.4 in)	14 years	20 of 100 (Routine)
25 March 1921	Gardiner, US	daily rain	24.4 mm (1.0 in)	16.5 mm (0.6 in)	33 years	20 of 100 (Routine)
25 March 1921	Quebec, CA	daily rain	19.8 mm (0.8 in)	8.4 mm (0.33 in)	25 years	20 of 100 (Routine)
25 March 1921	Bathurst Gaol, AU	daily high max	33.3 C (91.9 F)	0.4 C (0.7 F)	44 years	20 of 100 (Routine)
25 March 1921	Stoney Creek, CA	daily high min	7.8 C (46.0 F)	4.5 C (8.1 F)	27 years	19 of 100 (Routine)
25 March 1921	Vasteras-Hasslo, SE	daily high min	6.0 C (42.8 F)	4.5 C (8.1 F)	24 years	19 of 100 (Routine)
25 March 1921	Hingham (1), US	daily rain	23.6 mm (0.9 in)	18.8 mm (0.7 in)	16 years	19 of 100 (Routine)
25 March 1921	Kristianstad, SE	daily high min	6.0 C (42.8 F)	2.0 C (3.6 F)	31 years	18 of 100 (Routine)
25 March 1921	Parry Sound, CA	daily rain	8.9 mm (0.35 in)	0.5 mm (0.02 in)	44 years	17 of 100 (Routine)
25 March 1921	Wiarton, CA	daily rain	16.0 mm (0.6 in)	5.8 mm (0.23 in)	21 years	17 of 100 (Routine)
25 March 1921	Vastervik, SE	daily high min	6.5 C (43.7 F)	3.0 C (5.4 F)	24 years	17 of 100 (Routine)
25 March 1921	Stockholm, SE	daily high min	6.0 C (42.8 F)	2.5 C (4.5 F)	24 years	16 of 100 (Routine)
25 March 1921	Nordby (Fano), DK	daily high min	6.4 C (43.5 F)	1.5 C (2.7 F)	24 years	15 of 100 (Routine)
25 March 1921	Plauen, DE	daily high max	19.5 C (67.1 F)	2.4 C (4.3 F)	24 years	15 of 100 (Routine)
25 March 1921	Vanersborg, SE	daily high min	4.0 C (39.2 F)	2.0 C (3.6 F)	24 years	15 of 100 (Routine)
25 March 1921	Vasteras-Hasslo, SE	daily high max	13.0 C (55.4 F)	1.5 C (2.7 F)	26 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

1806 to 1921

Records set or tied on this calendar date in each year from 1806 to 1921. 1921 had 73 records.

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

Records on 03-25 in each year
Year	Records
1806	1
1830	1
1837	1
1841	1
1847	1
1850	2
1851	1
1857	1
1861	1
1862	2
1865	2
1867	2
1868	1
1869	1
1870	1
1871	3
1872	1
1873	2
1876	4
1877	1
1878	2
1879	3
1880	1
1882	2
1885	2
1886	3
1887	1
1888	2
1889	4
1890	4
1892	1
1893	2
1894	1
1895	1
1896	10
1897	6
1898	1
1899	6
1900	2
1901	11
1902	13
1903	16
1904	21
1905	22
1906	20
1907	10
1908	8
1909	26
1910	65
1911	14
1912	22
1913	125
1914	68
1915	21
1916	26
1917	33
1918	25
1919	38
1920	82
1921	73
1922	33
1923	80
1924	45
1925	101
1926	289
1927	113
1928	265
1929	473
1930	216
1931	95
1932	283
1933	331
1934	402
1935	377
1936	227
1937	539
1938	427
1939	606
1940	1,544
1941	351
1942	518
1943	227
1944	373
1945	816
1946	528
1947	395
1948	274
1949	421
1950	348
1951	489
1952	429
1953	598
1954	667
1955	1,548
1956	849
1957	534
1958	355
1959	251
1960	1,108
1961	369
1962	330
1963	569
1964	893
1965	1,553
1966	536
1967	655
1968	787
1969	938
1970	297
1971	699
1972	439
1973	681
1974	1,110
1975	690
1976	472
1977	553
1978	725
1979	768
1980	382
1981	1,059
1982	540
1983	1,146
1984	704
1985	424
1986	660
1987	859
1988	1,250
1989	777
1990	1,204
1991	828
1992	642
1993	834
1994	1,210
1995	1,181
1996	1,481
1997	777
1998	1,222
1999	793
2000	654
2001	1,159
2002	814
2003	463
2004	1,395
2005	695
2006	1,000
2007	1,926
2008	1,455
2009	910
2010	756
2011	738
2012	1,113
2013	2,029
2014	986
2015	567
2016	511
2017	596
2018	784
2019	421
2020	882
2021	709
2022	957
2023	1,805
2024	806
2025	1,707
2026	2,283

Download the Data

Data for records on 1921-03-25: 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 3	44
3 to 5	7
5 to 8	5
8 to 10	1
10 to 13	2
13 to 15	0
15 to 18	1
18 to 20	1