Weather Records on 5 May 1921

63 weather records were set or tied worldwide on 5 May 1921. Highest significance: San Diego Wbo, US.

Key Facts for 5 May 1921

On 5 May 1921, 63 weather records were set or tied at long-record stations worldwide.
8 were record highs and 29 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 58 daily.
San Diego Wbo set a daily record precipitation of 25.7 mm (1.0 in) on 5 May 1921.
Across 160 earlier years (1795 to 2026) the same calendar date averaged 446 records.

Record Map

63 stations

63 station records on 5 May 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 5 May 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
San Diego Wbo	United States	Record daily precipitation	25.7 mm (1.0 in)	41 of 100 (Notable)
Cape Otway Lighthouse	Australia	Record high minimum temperature	19.7 C (67.5 F)	32 of 100 (Routine)
Jena Sternwarte	Germany	Record daily precipitation	28.6 mm (1.1 in)	32 of 100 (Routine)
Armagh	United Kingdom	Record low minimum temperature	-1.9 C (28.6 F)	28 of 100 (Routine)
Tampa	United States	Record low maximum temperature	21.7 C (71.1 F)	28 of 100 (Routine)
Tashkent	Uzbekistan	Record low maximum temperature	14.0 C (57.2 F)	26 of 100 (Routine)
Somerville 4 NW	United States	Record daily precipitation	47.8 mm (1.9 in)	23 of 100 (Routine)
Melbourne Regional Office	Australia	Record high maximum temperature	27.1 C (80.8 F)	21 of 100 (Routine)
Setauket Strong	United States	Record daily precipitation	41.4 mm (1.6 in)	21 of 100 (Routine)
Fort Chipewyan	Canada	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Berlin-Dahlem (Lfag)	Germany	Record daily precipitation	18.7 mm (0.7 in)	20 of 100 (Routine)
Wittenberg	Germany	Record daily precipitation	20.0 mm (0.8 in)	20 of 100 (Routine)
Durban-Botanical Gardens	South Africa	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Kenhardt (Pol)	South Africa	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Weimar	Germany	Record daily precipitation	21.9 mm (0.9 in)	20 of 100 (Routine)
Colac Botanical Gardens	Australia	Record daily precipitation	36.6 mm (1.4 in)	20 of 100 (Routine)
Magdeburg	Germany	Record low maximum temperature	7.0 C (44.6 F)	20 of 100 (Routine)
Pella	South Africa	Record daily precipitation	2.5 mm (0.10 in)	19 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high maximum temperature	25.6 C (78.1 F)	18 of 100 (Routine)
Geelong Sec	Australia	Record daily precipitation	11.9 mm (0.5 in)	17 of 100 (Routine)
Berlin-Dahlem	Germany	Record low maximum temperature	6.7 C (44.1 F)	17 of 100 (Routine)
Cet Central England	United Kingdom	Record low minimum temperature	-0.4 C (31.3 F)	16 of 100 (Routine)
Jena Sternwarte	Germany	Record low maximum temperature	6.4 C (43.5 F)	15 of 100 (Routine)
Sevastopol',Mgs	Ukraine	Record daily precipitation	5.5 mm (0.22 in)	15 of 100 (Routine)
Montgomery Wb City	United States	Record low minimum temperature	7.8 C (46.0 F)	15 of 100 (Routine)
Gainesville UNIV of Fl	United States	Record low minimum temperature	7.2 C (45.0 F)	15 of 100 (Routine)
Tampa	United States	Record low minimum temperature	12.2 C (54.0 F)	15 of 100 (Routine)
Robe Comparison	Australia	Record high minimum temperature	17.4 C (63.3 F)	14 of 100 (Routine)
Durdidwarrah	Australia	Record daily precipitation	11.4 mm (0.4 in)	14 of 100 (Routine)
Melton	Australia	Record daily precipitation	12.2 mm (0.5 in)	14 of 100 (Routine)
Sheffield	United Kingdom	Record low minimum temperature	0.6 C (33.1 F)	14 of 100 (Routine)
Adelaide West Terrace	Australia	Record high maximum temperature	30.8 C (87.4 F)	13 of 100 (Routine)
Cambridge Downs Station	Australia	Record daily precipitation	0.8 mm (0.03 in)	13 of 100 (Routine)
Kynuna	Australia	Record daily precipitation	3.3 mm (0.13 in)	13 of 100 (Routine)
Bacchus Marsh	Australia	Record daily precipitation	14.5 mm (0.6 in)	13 of 100 (Routine)
Cherdyn'	Russia	Record daily precipitation	13.1 mm (0.5 in)	13 of 100 (Routine)
Steynsburg	South Africa	Record daily precipitation	8.9 mm (0.35 in)	12 of 100 (Routine)
Nicosia	Cyprus	Record high maximum temperature	32.2 C (90.0 F)	11 of 100 (Routine)
Cottbus	Germany	Record low minimum temperature	-0.3 C (31.5 F)	11 of 100 (Routine)
Braunschweig (T.H.)	Germany	Record low maximum temperature	7.8 C (46.0 F)	11 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record low maximum temperature	1.7 C (35.1 F)	11 of 100 (Routine)
Magdeburg	Germany	Record daily precipitation	18.3 mm (0.7 in)	10 of 100 (Routine)
Batesville	United States	Record low minimum temperature	4.4 C (39.9 F)	10 of 100 (Routine)
Fort National	Algeria	Record low maximum temperature	12.0 C (53.6 F)	9 of 100 (Routine)
Port Campbell Post Office	Australia	Record daily precipitation	14.2 mm (0.6 in)	9 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record low minimum temperature	-0.2 C (31.6 F)	9 of 100 (Routine)
Bremen-Seefahrtschule	Germany	Record low minimum temperature	0.7 C (33.3 F)	9 of 100 (Routine)
Arnsberg	Germany	Record low maximum temperature	9.4 C (48.9 F)	9 of 100 (Routine)
Griquatown (Tnk)	South Africa	Record daily precipitation	5.1 mm (0.20 in)	9 of 100 (Routine)
Saentis	Switzerland	Record low minimum temperature	-11.1 C (12.0 F)	9 of 100 (Routine)
Brinkley	United States	Record low minimum temperature	5.0 C (41.0 F)	9 of 100 (Routine)
Greensboro Lock 7	United States	Record daily precipitation	15.7 mm (0.6 in)	9 of 100 (Routine)
Emu Park Hill St	Australia	Record daily precipitation	18.0 mm (0.7 in)	8 of 100 (Routine)
Camden 1	United States	Record low maximum temperature	21.1 C (70.0 F)	8 of 100 (Routine)
Kazan	Russia	Record high minimum temperature	13.4 C (56.1 F)	7 of 100 (Routine)
Louisville	United States	Record low minimum temperature	6.1 C (43.0 F)	5 of 100 (Routine)
Galway	Ireland	Record low minimum temperature	-1.1 C (30.0 F)	4 of 100 (Routine)
Jacksonville Wb City	United States	Record low minimum temperature	10.0 C (50.0 F)	3 of 100 (Routine)
San Diego Wbo	United States	Record low maximum temperature	15.6 C (60.1 F)	2 of 100 (Routine)
Cape May 2 NW	United States	Record low maximum temperature	10.0 C (50.0 F)	2 of 100 (Routine)

Counts by Type and Timescale

63 records

Records set or tied on 5 May 1921 by type: Highest daily maximum 4, Lowest daily maximum 14, Highest daily minimum 4, Lowest daily minimum 15, Heaviest daily rainfall 26.

Records on 5 May 1921 by type
Record type	Records
Highest daily maximum	4
Lowest daily maximum	14
Highest daily minimum	4
Lowest daily minimum	15
Heaviest daily rainfall	26
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 5 May 1921 by timescale: all-time 0, monthly 5, daily 58.

How Much Records Were Beaten By

56 broken records

Margins by which the 56 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 21.9. Ties are not counted.

Top 20 by Significance

5 May 1921

Top 20 records on 5 May 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
5 May 1921	San Diego Wbo, US	daily rain	25.7 mm (1.0 in)	13.0 mm (0.5 in)	20 years	41 of 100 (Notable)
5 May 1921	Cape Otway Lighthouse, AU	monthly high min	19.7 C (67.5 F)	1.9 C (3.4 F)	33 years	32 of 100 (Routine)
5 May 1921	Jena Sternwarte, DE	daily rain	28.6 mm (1.1 in)	9.5 mm (0.37 in)	21 years	32 of 100 (Routine)
5 May 1921	Armagh, GB	monthly low min	-1.9 C (28.6 F)	0.3 C (0.5 F)	35 years	28 of 100 (Routine)
5 May 1921	Tampa, US	daily low max	21.7 C (71.1 F)	3.9 C (7.0 F)	23 years	28 of 100 (Routine)
5 May 1921	Tashkent, UZ	daily low max	14.0 C (57.2 F)	5.3 C (9.5 F)	39 years	26 of 100 (Routine)
5 May 1921	Somerville 4 NW, US	daily rain	47.8 mm (1.9 in)	21.9 mm (0.9 in)	7 years	23 of 100 (Routine)
5 May 1921	Melbourne Regional Office, AU	daily high max	27.1 C (80.8 F)	1.3 C (2.3 F)	37 years	21 of 100 (Routine)
5 May 1921	Setauket Strong, US	daily rain	41.4 mm (1.6 in)	18.5 mm (0.7 in)	4 years	21 of 100 (Routine)
5 May 1921	Fort Chipewyan, CA	daily rain	18.8 mm (0.7 in)	10.7 mm (0.4 in)	29 years	20 of 100 (Routine)
5 May 1921	Berlin-Dahlem (Lfag), DE	daily rain	18.7 mm (0.7 in)	8.2 mm (0.32 in)	26 years	20 of 100 (Routine)
5 May 1921	Wittenberg, DE	daily rain	20.0 mm (0.8 in)	10.5 mm (0.4 in)	8 years	20 of 100 (Routine)
5 May 1921	Durban-Botanical Gardens, ZA	daily rain	23.6 mm (0.9 in)	7.1 mm (0.28 in)	48 years	20 of 100 (Routine)
5 May 1921	Kenhardt (Pol), ZA	daily rain	13.2 mm (0.5 in)	7.1 mm (0.28 in)	21 years	20 of 100 (Routine)
5 May 1921	Weimar, DE	daily rain	21.9 mm (0.9 in)	7.4 mm (0.29 in)	21 years	20 of 100 (Routine)
5 May 1921	Colac Botanical Gardens, AU	monthly rain	36.6 mm (1.4 in)	1.0 mm (0.04 in)	22 years	20 of 100 (Routine)
5 May 1921	Magdeburg, DE	daily low max	7.0 C (44.6 F)	4.5 C (8.1 F)	28 years	20 of 100 (Routine)
5 May 1921	Pella, ZA	daily rain	2.5 mm (0.10 in)	2.5 mm (0.10 in)	42 years	19 of 100 (Routine)
5 May 1921	Cape Otway Lighthouse, AU	daily high max	25.6 C (78.1 F)	1.7 C (3.1 F)	29 years	18 of 100 (Routine)
5 May 1921	Geelong Sec, AU	daily rain	11.9 mm (0.5 in)	2.2 mm (0.09 in)	32 years	17 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

1795 to 1921

Records set or tied on this calendar date in each year from 1795 to 1921. 1921 had 63 records.

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

Records on 05-05 in each year
Year	Records
1795	2
1805	1
1836	1
1837	1
1840	1
1850	4
1852	1
1855	1
1856	2
1859	2
1861	5
1862	1
1864	2
1867	1
1875	2
1877	2
1878	1
1879	2
1880	1
1882	1
1884	2
1885	1
1886	3
1888	3
1889	5
1890	2
1891	3
1892	5
1894	3
1895	2
1896	1
1897	2
1898	6
1899	5
1900	3
1901	2
1902	5
1903	9
1904	14
1905	17
1906	4
1907	16
1908	14
1909	17
1910	19
1911	17
1912	17
1913	46
1914	39
1915	73
1916	98
1917	70
1918	24
1919	77
1920	41
1921	63
1922	98
1923	139
1924	132
1925	143
1926	220
1927	115
1928	149
1929	256
1930	469
1931	250
1932	166
1933	339
1934	448
1935	417
1936	377
1937	159
1938	362
1939	222
1940	446
1941	415
1942	529
1943	427
1944	1,237
1945	355
1946	306
1947	528
1948	671
1949	1,099
1950	893
1951	174
1952	723
1953	659
1954	607
1955	382
1956	363
1957	561
1958	404
1959	587
1960	773
1961	644
1962	261
1963	249
1964	643
1965	724
1966	1,413
1967	613
1968	434
1969	530
1970	386
1971	444
1972	292
1973	542
1974	716
1975	711
1976	402
1977	708
1978	1,033
1979	1,534
1980	562
1981	524
1982	659
1983	475
1984	767
1985	463
1986	968
1987	895
1988	820
1989	941
1990	1,511
1991	1,176
1992	1,004
1993	725
1994	743
1995	888
1996	1,368
1997	1,220
1998	1,707
1999	1,301
2000	1,442
2001	963
2002	883
2003	1,792
2004	1,401
2005	1,009
2006	657
2007	850
2008	453
2009	751
2010	1,053
2011	857
2012	1,281
2013	1,265
2014	680
2015	783
2016	554
2017	849
2018	481
2019	538
2020	403
2021	733
2022	514
2023	579
2024	961
2025	717
2026	538

Download the Data

Data for records on 1921-05-05: 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 5	43
5 to 10	7
10 to 15	4
15 to 20	1
20 to 25	1