Weather Records on 27 May 1921

56 weather records were set or tied worldwide on 27 May 1921. Highest significance: Schwerin, DE.

Key Facts for 27 May 1921

On 27 May 1921, 56 weather records were set or tied at long-record stations worldwide.
25 were record highs and 11 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 53 daily.
Schwerin set a daily record precipitation of 42.8 mm (1.7 in) on 27 May 1921.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 420 records.

Record Map

56 stations

56 station records on 27 May 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 May 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Schwerin	Germany	Record daily precipitation	42.8 mm (1.7 in)	46 of 100 (Notable)
Innamincka Station	Australia	Record daily precipitation	42.2 mm (1.7 in)	40 of 100 (Notable)
Jokkmokk	Sweden	Record high maximum temperature	28.0 C (82.4 F)	28 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record high minimum temperature	16.3 C (61.3 F)	27 of 100 (Routine)
Kvikkjokk-Arrenjarka	Sweden	Record high minimum temperature	12.5 C (54.5 F)	27 of 100 (Routine)
Dilkara (Florieton)	Australia	Record daily precipitation	27.2 mm (1.1 in)	26 of 100 (Routine)
Innamincka Police Camp	Australia	Record daily precipitation	26.9 mm (1.1 in)	25 of 100 (Routine)
Gavle	Sweden	Record high maximum temperature	26.0 C (78.8 F)	25 of 100 (Routine)
Edmonton	Canada	Record daily snowfall	5.8 cm (2.3 in)	23 of 100 (Routine)
Artern	Germany	Record daily precipitation	28.2 mm (1.1 in)	22 of 100 (Routine)
Kirchdorf/Poel	Germany	Record daily precipitation	23.7 mm (0.9 in)	20 of 100 (Routine)
Tartu	Estonia	Record daily precipitation	17.6 mm (0.7 in)	20 of 100 (Routine)
Cottam	Canada	Record daily precipitation	47.5 mm (1.9 in)	19 of 100 (Routine)
Edmonton	Canada	Record low maximum temperature	6.7 C (44.1 F)	17 of 100 (Routine)
Hambantota	Sri Lanka	Record high maximum temperature	35.0 C (95.0 F)	17 of 100 (Routine)
Tranebjerg	Denmark	Record high minimum temperature	14.7 C (58.5 F)	17 of 100 (Routine)
Hogsback (Bos)	South Africa	Record daily precipitation	23.4 mm (0.9 in)	17 of 100 (Routine)
Haparanda	Sweden	Record high minimum temperature	8.0 C (46.4 F)	17 of 100 (Routine)
Vanersborg	Sweden	Record high minimum temperature	13.5 C (56.3 F)	17 of 100 (Routine)
Sveg	Sweden	Record high minimum temperature	11.0 C (51.8 F)	17 of 100 (Routine)
Biskra	Algeria	Record daily precipitation	1.5 mm (0.06 in)	16 of 100 (Routine)
Nossen	Germany	Record daily precipitation	18.4 mm (0.7 in)	16 of 100 (Routine)
Mahackala	Russia	Record high minimum temperature	19.7 C (67.5 F)	16 of 100 (Routine)
Woomera (South Gap Station)	Australia	Record daily precipitation	2.5 mm (0.10 in)	15 of 100 (Routine)
Barkerville	Canada	Record daily snowfall	1.3 cm (0.5 in)	15 of 100 (Routine)
Bjuraker	Sweden	Record high minimum temperature	11.0 C (51.8 F)	15 of 100 (Routine)
Banff	Canada	Record low minimum temperature	-4.4 C (24.1 F)	13 of 100 (Routine)
Nordby (Fano)	Denmark	Record high minimum temperature	14.4 C (57.9 F)	13 of 100 (Routine)
Magdeburg	Germany	Record daily precipitation	10.4 mm (0.4 in)	13 of 100 (Routine)
Emerald Post Office	Australia	Record high maximum temperature	30.1 C (86.2 F)	12 of 100 (Routine)
Barkerville	Canada	Record low minimum temperature	-3.3 C (26.1 F)	12 of 100 (Routine)
Banff	Canada	Record daily snowfall	3.8 cm (1.5 in)	12 of 100 (Routine)
Kirchdorf/Poel	Germany	Record high minimum temperature	15.4 C (59.7 F)	12 of 100 (Routine)
Boras	Sweden	Record high minimum temperature	11.0 C (51.8 F)	12 of 100 (Routine)
Olympia Priest Pt Park	United States	Record low minimum temperature	0.6 C (33.1 F)	12 of 100 (Routine)
Mackay Post Office	Australia	Record high maximum temperature	27.1 C (80.8 F)	11 of 100 (Routine)
Bjuraker	Sweden	Record high maximum temperature	24.6 C (76.3 F)	11 of 100 (Routine)
Boulia Airport	Australia	Record high minimum temperature	17.4 C (63.3 F)	10 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record high minimum temperature	12.0 C (53.6 F)	10 of 100 (Routine)
Narrandera Post Office	Australia	Record daily precipitation	15.0 mm (0.6 in)	9 of 100 (Routine)
Wittenberg	Germany	Record daily precipitation	16.4 mm (0.6 in)	9 of 100 (Routine)
Jakutsk	Russia	Record low minimum temperature	-1.3 C (29.7 F)	8 of 100 (Routine)
Sveg	Sweden	Record high maximum temperature	25.0 C (77.0 F)	8 of 100 (Routine)
Boulia Airport	Australia	Record high maximum temperature	33.0 C (91.4 F)	7 of 100 (Routine)
Banff	Canada	Record low maximum temperature	8.3 C (46.9 F)	7 of 100 (Routine)
Vestervig	Denmark	Record high minimum temperature	14.2 C (57.6 F)	7 of 100 (Routine)
Calgary Int'l A	Canada	Record low minimum temperature	-2.2 C (28.0 F)	6 of 100 (Routine)
St John's	Canada	Record daily precipitation	22.4 mm (0.9 in)	6 of 100 (Routine)
Leipzig-Holzhausen	Germany	Record daily precipitation	49.0 mm (1.9 in)	6 of 100 (Routine)
Halifax	Canada	Record high minimum temperature	11.7 C (53.1 F)	3 of 100 (Routine)
Wrixum/Fohr	Germany	Record high minimum temperature	13.0 C (55.4 F)	3 of 100 (Routine)
Jonkoping	Sweden	Record high minimum temperature	11.5 C (52.7 F)	3 of 100 (Routine)
Astoria	United States	Record low minimum temperature	6.1 C (43.0 F)	2 of 100 (Routine)
Spokane Intl AP	United States	Record low maximum temperature	14.4 C (57.9 F)	2 of 100 (Routine)
San Diego Wbo	United States	Record low maximum temperature	16.1 C (61.0 F)	1 of 100 (Routine)
Spokane Intl AP	United States	Record low minimum temperature	2.2 C (36.0 F)	0 of 100 (Routine)

Counts by Type and Timescale

56 records

Records set or tied on 27 May 1921 by type: Highest daily maximum 8, Lowest daily maximum 4, Highest daily minimum 17, Lowest daily minimum 7, Heaviest daily rainfall 17, Heaviest daily snowfall 3.

Records on 27 May 1921 by type
Record type	Records
Highest daily maximum	8
Lowest daily maximum	4
Highest daily minimum	17
Lowest daily minimum	7
Heaviest daily rainfall	17
Heaviest daily snowfall	3
Deepest snow cover	0

Records on 27 May 1921 by timescale: all-time 0, monthly 3, daily 53.

How Much Records Were Beaten By

50 broken records

Margins by which the 50 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 58.0. Ties are not counted.

Top 20 by Significance

27 May 1921

Top 20 records on 27 May 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 1921	Schwerin, DE	daily rain	42.8 mm (1.7 in)	29.4 mm (1.2 in)	12 years	46 of 100 (Notable)
27 May 1921	Innamincka Station, AU	daily rain	42.2 mm (1.7 in)	37.6 mm (1.5 in)	28 years	40 of 100 (Notable)
27 May 1921	Jokkmokk, SE	monthly high max	28.0 C (82.4 F)	3.0 C (5.4 F)	32 years	28 of 100 (Routine)
27 May 1921	Koebenhavn: Landbohojskolen-1, DK	monthly high min	16.3 C (61.3 F)	1.7 C (3.1 F)	28 years	27 of 100 (Routine)
27 May 1921	Kvikkjokk-Arrenjarka, SE	monthly high min	12.5 C (54.5 F)	3.0 C (5.4 F)	23 years	27 of 100 (Routine)
27 May 1921	Dilkara (Florieton), AU	daily rain	27.2 mm (1.1 in)	10.9 mm (0.4 in)	27 years	26 of 100 (Routine)
27 May 1921	Innamincka Police Camp, AU	daily rain	26.9 mm (1.1 in)	14.5 mm (0.6 in)	30 years	25 of 100 (Routine)
27 May 1921	Gavle, SE	daily high max	26.0 C (78.8 F)	5.5 C (9.9 F)	38 years	25 of 100 (Routine)
27 May 1921	Edmonton, CA	daily snowfall	5.8 cm (2.3 in)	5.8 cm (2.3 in)	39 years	23 of 100 (Routine)
27 May 1921	Artern, DE	daily rain	28.2 mm (1.1 in)	8.8 mm (0.35 in)	10 years	22 of 100 (Routine)
27 May 1921	Kirchdorf/Poel, DE	daily rain	23.7 mm (0.9 in)	7.1 mm (0.28 in)	24 years	20 of 100 (Routine)
27 May 1921	Tartu, EE	daily rain	17.6 mm (0.7 in)	1.4 mm (0.06 in)	52 years	20 of 100 (Routine)
27 May 1921	Cottam, CA	daily rain	47.5 mm (1.9 in)	13.2 mm (0.5 in)	8 years	19 of 100 (Routine)
27 May 1921	Edmonton, CA	daily low max	6.7 C (44.1 F)	5.5 C (9.9 F)	15 years	17 of 100 (Routine)
27 May 1921	Hambantota, LK	daily high max	35.0 C (95.0 F)	0.5 C (0.9 F)	30 years	17 of 100 (Routine)
27 May 1921	Tranebjerg, DK	daily high min	14.7 C (58.5 F)	0.3 C (0.5 F)	37 years	17 of 100 (Routine)
27 May 1921	Hogsback (Bos), ZA	daily rain	23.4 mm (0.9 in)	8.2 mm (0.32 in)	29 years	17 of 100 (Routine)
27 May 1921	Haparanda, SE	daily high min	8.0 C (46.4 F)	1.0 C (1.8 F)	37 years	17 of 100 (Routine)
27 May 1921	Vanersborg, SE	daily high min	13.5 C (56.3 F)	1.5 C (2.7 F)	31 years	17 of 100 (Routine)
27 May 1921	Sveg, SE	daily high min	11.0 C (51.8 F)	1.0 C (1.8 F)	38 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

1797 to 1921

Records set or tied on this calendar date in each year from 1797 to 1921. 1921 had 56 records.

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

Records on 05-27 in each year
Year	Records
1797	1
1817	1
1818	1
1834	2
1836	4
1839	1
1845	1
1846	1
1847	1
1849	1
1852	1
1858	1
1860	1
1863	1
1864	3
1868	4
1869	1
1874	1
1876	1
1879	3
1880	5
1881	2
1883	1
1884	1
1885	1
1886	1
1888	1
1889	3
1890	5
1891	2
1892	8
1893	5
1894	13
1895	4
1896	3
1897	1
1898	3
1899	2
1900	4
1901	7
1902	12
1903	7
1904	11
1905	7
1906	28
1907	23
1908	16
1909	7
1910	31
1911	53
1912	27
1913	19
1914	92
1915	63
1916	26
1917	23
1918	39
1919	38
1920	40
1921	56
1922	36
1923	86
1924	92
1925	291
1926	107
1927	183
1928	81
1929	195
1930	99
1931	367
1932	265
1933	284
1934	393
1935	128
1936	468
1937	298
1938	492
1939	312
1940	138
1941	436
1942	657
1943	160
1944	479
1945	272
1946	424
1947	485
1948	324
1949	366
1950	697
1951	578
1952	258
1953	603
1954	367
1955	571
1956	491
1957	367
1958	619
1959	449
1960	421
1961	1,504
1962	460
1963	421
1964	317
1965	652
1966	398
1967	492
1968	605
1969	850
1970	326
1971	612
1972	508
1973	943
1974	630
1975	404
1976	589
1977	663
1978	814
1979	899
1980	644
1981	891
1982	838
1983	1,253
1984	834
1985	873
1986	696
1987	1,037
1988	777
1989	904
1990	804
1991	1,429
1992	1,413
1993	835
1994	848
1995	815
1996	1,378
1997	919
1998	1,079
1999	876
2000	1,347
2001	898
2002	511
2003	918
2004	838
2005	1,094
2006	1,171
2007	886
2008	914
2009	858
2010	955
2011	1,055
2012	1,475
2013	607
2014	835
2015	537
2016	622
2017	541
2018	1,355
2019	960
2020	906
2021	414
2022	653
2023	405
2024	904
2025	761
2026	1,185

Download the Data

Data for records on 1921-05-27: 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 10	42
10 to 20	4
20 to 30	1
30 to 40	2
40 to 50	0
50 to 60	1