Weather Records on 27 May 1971

612 weather records were set or tied worldwide on 27 May 1971. Highest significance: Elliston, AU.

Key Facts for 27 May 1971

On 27 May 1971, 612 weather records were set or tied at long-record stations worldwide.
58 were record highs and 284 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 14 monthly and 597 daily.
Elliston set a daily record precipitation of 34.5 mm (1.4 in) on 27 May 1971.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 416 records.

Record Map

612 stations

612 station records on 27 May 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 May 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Elliston	Australia	Record daily precipitation	34.5 mm (1.4 in)	66 of 100 (Major)
Wasco	United States	Record daily precipitation	38.6 mm (1.5 in)	66 of 100 (Major)
Delano	United States	Record daily precipitation	40.1 mm (1.6 in)	58 of 100 (Notable)
Schlusselfeld (Klaranlage)	Germany	Record daily precipitation	92.2 mm (3.6 in)	55 of 100 (Notable)
Porterville	United States	Record daily precipitation	46.5 mm (1.8 in)	55 of 100 (Notable)
Pedra Lavrada	Brazil	Record daily precipitation	36.7 mm (1.4 in)	52 of 100 (Notable)
Lindsay	United States	Record daily precipitation	42.7 mm (1.7 in)	52 of 100 (Notable)
Visalia	United States	Record daily precipitation	31.8 mm (1.3 in)	48 of 100 (Notable)
Baturite	Brazil	Record daily precipitation	70.1 mm (2.8 in)	46 of 100 (Notable)
Emmet Downs	Australia	Record daily precipitation	43.2 mm (1.7 in)	45 of 100 (Notable)
Acude Bonito	Brazil	Record daily precipitation	53.2 mm (2.1 in)	43 of 100 (Notable)
Jacampari	Brazil	Record daily precipitation	60.4 mm (2.4 in)	42 of 100 (Notable)
Senador Pompeu	Brazil	Record daily precipitation	49.5 mm (1.9 in)	41 of 100 (Notable)
West Terschelling	Netherlands	Record daily precipitation	25.5 mm (1.0 in)	40 of 100 (Notable)
Woodfords	United States	Record daily precipitation	27.2 mm (1.1 in)	40 of 100 (Notable)
Fazenda Feijao	Brazil	Record daily precipitation	58.3 mm (2.3 in)	39 of 100 (Notable)
Ebrach	Germany	Record daily precipitation	61.0 mm (2.4 in)	39 of 100 (Notable)
Clinton Forestry HQ	United States	Record daily precipitation	62.0 mm (2.4 in)	38 of 100 (Notable)
Southport 5 N	United States	Record high minimum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Albilbah	Australia	Record daily precipitation	30.7 mm (1.2 in)	37 of 100 (Notable)
Seymour Shire Depot	Australia	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Maranguape	Brazil	Record daily precipitation	77.6 mm (3.1 in)	37 of 100 (Notable)
Cococi	Brazil	Record daily precipitation	56.5 mm (2.2 in)	37 of 100 (Notable)
Woodfords	United States	Record daily snowfall	5.1 cm (2.0 in)	37 of 100 (Notable)
Dallas FAA AP	United States	Record daily precipitation	65.3 mm (2.6 in)	37 of 100 (Notable)
Espirito Santo	Brazil	Record daily precipitation	32.4 mm (1.3 in)	36 of 100 (Notable)
Weinsberg	Germany	Record daily precipitation	29.0 mm (1.1 in)	36 of 100 (Notable)
Nova Russas	Brazil	Record daily precipitation	42.6 mm (1.7 in)	35 of 100 (Notable)
Charles City	United States	Record low minimum temperature	1.7 C (35.1 F)	35 of 100 (Notable)
Marruas	Brazil	Record daily precipitation	40.2 mm (1.6 in)	34 of 100 (Routine)
Truxton Canyon	United States	Record low minimum temperature	-0.6 C (30.9 F)	34 of 100 (Routine)
Angiola	United States	Record daily precipitation	29.2 mm (1.1 in)	34 of 100 (Routine)
Roby	United States	Record daily precipitation	47.0 mm (1.9 in)	34 of 100 (Routine)
Iron River	Canada	Record daily precipitation	37.6 mm (1.5 in)	32 of 100 (Routine)
Simferopol	Ukraine	Record high minimum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Newton	United States	Record low minimum temperature	3.9 C (39.0 F)	32 of 100 (Routine)
Sedalia Wtp	United States	Record low maximum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Durant	United States	Record daily precipitation	45.7 mm (1.8 in)	32 of 100 (Routine)
Whitestown	United States	Record low maximum temperature	11.7 C (53.1 F)	31 of 100 (Routine)
Yerington	United States	Record daily precipitation	28.2 mm (1.1 in)	31 of 100 (Routine)
Bolivar	United States	Record low maximum temperature	10.6 C (51.1 F)	31 of 100 (Routine)
Portage Wwtp	United States	Record low minimum temperature	-2.2 C (28.0 F)	31 of 100 (Routine)
Mkambati	South Africa	Record daily precipitation	98.0 mm (3.9 in)	30 of 100 (Routine)
Shepetivka	Ukraine	Record daily precipitation	61.6 mm (2.4 in)	30 of 100 (Routine)
Bedford	United States	Record low minimum temperature	1.7 C (35.1 F)	30 of 100 (Routine)
Tipton	United States	Record low minimum temperature	1.1 C (34.0 F)	30 of 100 (Routine)
Represa Itatinga	Brazil	Record daily precipitation	105.7 mm (4.2 in)	29 of 100 (Routine)
Batalha	Brazil	Record daily precipitation	31.2 mm (1.2 in)	29 of 100 (Routine)
Cedar Rapids #1	United States	Record low minimum temperature	1.7 C (35.1 F)	29 of 100 (Routine)
Viroqua	United States	Record low minimum temperature	-1.1 C (30.0 F)	29 of 100 (Routine)
Boqueirao Do Patu	Brazil	Record daily precipitation	47.8 mm (1.9 in)	28 of 100 (Routine)
Guaraciaba Do Norte	Brazil	Record daily precipitation	63.2 mm (2.5 in)	28 of 100 (Routine)
Bushy Vales, Margate	South Africa	Record daily precipitation	45.5 mm (1.8 in)	28 of 100 (Routine)
Greensboro	United States	Record daily precipitation	36.8 mm (1.4 in)	28 of 100 (Routine)
Denair 3 NNE	United States	Record low maximum temperature	15.6 C (60.1 F)	28 of 100 (Routine)
Redlands	United States	Record low maximum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Charleston	United States	Record low maximum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Decorah	United States	Record low minimum temperature	-0.6 C (30.9 F)	28 of 100 (Routine)
Grinnell 3 SW	United States	Record low minimum temperature	0.0 C (32.0 F)	28 of 100 (Routine)
Winona	United States	Record low minimum temperature	1.1 C (34.0 F)	28 of 100 (Routine)

Counts by Type and Timescale

612 records

Records set or tied on 27 May 1971 by type: Highest daily maximum 22, Lowest daily maximum 127, Highest daily minimum 36, Lowest daily minimum 157, Heaviest daily rainfall 264, Heaviest daily snowfall 4, Deepest snow cover 2.

Records on 27 May 1971 by type
Record type	Records
Highest daily maximum	22
Lowest daily maximum	127
Highest daily minimum	36
Lowest daily minimum	157
Heaviest daily rainfall	264
Heaviest daily snowfall	4
Deepest snow cover	2

Records on 27 May 1971 by timescale: all-time 1, monthly 14, daily 597.

How Much Records Were Beaten By

513 broken records

Margins by which the 513 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

27 May 1971

Top 20 records on 27 May 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 1971	Elliston, AU	daily rain	34.5 mm (1.4 in)	21.5 mm (0.8 in)	69 years	66 of 100 (Major)
27 May 1971	Wasco, US	daily rain	38.6 mm (1.5 in)	27.9 mm (1.1 in)	64 years	66 of 100 (Major)
27 May 1971	Delano, US	monthly rain	40.1 mm (1.6 in)	19.3 mm (0.8 in)	7 years	58 of 100 (Notable)
27 May 1971	Schlusselfeld (Klaranlage), DE	all-time rain	92.2 mm (3.6 in)	12.9 mm (0.5 in)	23 years	55 of 100 (Notable)
27 May 1971	Porterville, US	monthly rain	46.5 mm (1.8 in)	13.0 mm (0.5 in)	65 years	55 of 100 (Notable)
27 May 1971	Pedra Lavrada, BR	daily rain	36.7 mm (1.4 in)	33.5 mm (1.3 in)	30 years	52 of 100 (Notable)
27 May 1971	Lindsay, US	daily rain	42.7 mm (1.7 in)	34.6 mm (1.4 in)	24 years	52 of 100 (Notable)
27 May 1971	Visalia, US	daily rain	31.8 mm (1.3 in)	21.6 mm (0.9 in)	24 years	48 of 100 (Notable)
27 May 1971	Baturite, BR	daily rain	70.1 mm (2.8 in)	45.4 mm (1.8 in)	25 years	46 of 100 (Notable)
27 May 1971	Emmet Downs, AU	daily rain	43.2 mm (1.7 in)	42.2 mm (1.7 in)	28 years	45 of 100 (Notable)
27 May 1971	Acude Bonito, BR	daily rain	53.2 mm (2.1 in)	28.2 mm (1.1 in)	53 years	43 of 100 (Notable)
27 May 1971	Jacampari, BR	daily rain	60.4 mm (2.4 in)	42.1 mm (1.7 in)	21 years	42 of 100 (Notable)
27 May 1971	Senador Pompeu, BR	daily rain	49.5 mm (1.9 in)	30.2 mm (1.2 in)	60 years	41 of 100 (Notable)
27 May 1971	West Terschelling, NL	daily rain	25.5 mm (1.0 in)	8.3 mm (0.33 in)	45 years	40 of 100 (Notable)
27 May 1971	Woodfords, US	daily rain	27.2 mm (1.1 in)	21.1 mm (0.8 in)	8 years	40 of 100 (Notable)
27 May 1971	Fazenda Feijao, BR	daily rain	58.3 mm (2.3 in)	37.3 mm (1.5 in)	8 years	39 of 100 (Notable)
27 May 1971	Ebrach, DE	monthly rain	61.0 mm (2.4 in)	13.1 mm (0.5 in)	0 years	39 of 100 (Notable)
27 May 1971	Clinton Forestry HQ, US	daily rain	62.0 mm (2.4 in)	30.2 mm (1.2 in)	61 years	38 of 100 (Notable)
27 May 1971	Southport 5 N, US	monthly high min	25.0 C (77.0 F)	0.6 C (1.1 F)	66 years	38 of 100 (Notable)
27 May 1971	Albilbah, AU	daily rain	30.7 mm (1.2 in)	26.4 mm (1.0 in)	36 years	37 of 100 (Notable)

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 1971

Records set or tied on this calendar date in each year from 1797 to 1971. 1971 had 612 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 1971-05-27: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	479
20 to 40	26
40 to 60	6
60 to 80	1
80 to 100	0
100 to 120	0
120 to 140	1