Weather Records on 27 May 2021

414 weather records were set or tied worldwide on 27 May 2021. Highest significance: Sambalpur, IN.

Key Facts for 27 May 2021

On 27 May 2021, 414 weather records were set or tied at long-record stations worldwide.
195 were record highs and 123 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 18 monthly and 396 daily.
Sambalpur set a daily record precipitation of 55.1 mm (2.2 in) on 27 May 2021.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 418 records.

Record Map

414 stations

414 station records on 27 May 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 May 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sambalpur	India	Record daily precipitation	55.1 mm (2.2 in)	79 of 100 (Major)
Colony	United States	Record daily precipitation	41.9 mm (1.6 in)	55 of 100 (Notable)
Hays 1 S	United States	Record daily precipitation	66.5 mm (2.6 in)	51 of 100 (Notable)
Roberts	Cayman Islands [United Kingdom]	Record daily precipitation	85.1 mm (3.4 in)	49 of 100 (Notable)
Jewell	United States	Record daily precipitation	83.1 mm (3.3 in)	49 of 100 (Notable)
Eustis 2 NW	United States	Record daily precipitation	67.1 mm (2.6 in)	49 of 100 (Notable)
Kokpekty	Kazakhstan	Record high maximum temperature	35.4 C (95.7 F)	46 of 100 (Notable)
Darjeeling	India	Record daily precipitation	88.9 mm (3.5 in)	43 of 100 (Notable)
Moran	United States	Record daily precipitation	111.8 mm (4.4 in)	43 of 100 (Notable)
Mc Intosh 6 SE	United States	Record low maximum temperature	7.2 C (45.0 F)	43 of 100 (Notable)
Gyshgy	Turkmenistan	Record high minimum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Olton	United States	Record daily precipitation	94.2 mm (3.7 in)	42 of 100 (Notable)
Woodland	United States	Record high maximum temperature	32.8 C (91.0 F)	41 of 100 (Notable)
Stockholm	Sweden	Record low maximum temperature	8.3 C (46.9 F)	40 of 100 (Notable)
Goessel 2 NW	United States	Record daily precipitation	118.6 mm (4.7 in)	39 of 100 (Notable)
Akune	Japan	Record daily precipitation	117.1 mm (4.6 in)	38 of 100 (Notable)
Falun	Sweden	Record low maximum temperature	8.0 C (46.4 F)	38 of 100 (Notable)
Mukdahan	Thailand	Record daily precipitation	75.4 mm (3.0 in)	38 of 100 (Notable)
Calaveras Big Trees	United States	Record low minimum temperature	-1.7 C (28.9 F)	37 of 100 (Notable)
Joplin Rgnl AP	United States	Record daily precipitation	78.0 mm (3.1 in)	37 of 100 (Notable)
Tg Jiu	Romania	Record high minimum temperature	18.5 C (65.3 F)	36 of 100 (Notable)
Thunder Basin	United States	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Harrison	United States	Record daily precipitation	42.4 mm (1.7 in)	35 of 100 (Notable)
Scandia	United States	Record daily precipitation	61.2 mm (2.4 in)	35 of 100 (Notable)
Birch Hill Dam	United States	Record high maximum temperature	33.9 C (93.0 F)	35 of 100 (Notable)
Superior	United States	Record daily precipitation	54.9 mm (2.2 in)	34 of 100 (Routine)
Mulwala Post Office	Australia	Record daily precipitation	25.0 mm (1.0 in)	33 of 100 (Routine)
Hita	Japan	Record daily precipitation	88.9 mm (3.5 in)	33 of 100 (Routine)
Zajsan	Kazakhstan	Record high maximum temperature	35.3 C (95.5 F)	33 of 100 (Routine)
Hays	United States	Record daily precipitation	52.6 mm (2.1 in)	32 of 100 (Routine)
Mobridge 2NNW	United States	Record low maximum temperature	7.8 C (46.0 F)	32 of 100 (Routine)
Kzylzar	Kazakhstan	Record high minimum temperature	17.8 C (64.0 F)	31 of 100 (Routine)
Piedmont Rsch STN	United States	Record high maximum temperature	34.4 C (93.9 F)	31 of 100 (Routine)
Vienna	United States	Record daily precipitation	28.2 mm (1.1 in)	31 of 100 (Routine)
Xigaze	China	Record high minimum temperature	11.7 C (53.1 F)	30 of 100 (Routine)
Chichibu	Japan	Record low maximum temperature	16.8 C (62.2 F)	30 of 100 (Routine)
Saragt	Turkmenistan	Record high minimum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Kofu	Japan	Record low maximum temperature	15.7 C (60.3 F)	29 of 100 (Routine)
Red Cloud	United States	Record daily precipitation	54.6 mm (2.1 in)	29 of 100 (Routine)
Morgantown	United States	Record daily precipitation	47.0 mm (1.9 in)	29 of 100 (Routine)
Ipswich	United States	Record low maximum temperature	7.8 C (46.0 F)	29 of 100 (Routine)
Hitoyoshi	Japan	Record daily precipitation	125.0 mm (4.9 in)	28 of 100 (Routine)
Uwajima	Japan	Record daily precipitation	71.9 mm (2.8 in)	28 of 100 (Routine)
Mt Carmel	United States	Record high minimum temperature	18.3 C (64.9 F)	28 of 100 (Routine)
Ionia	United States	Record daily precipitation	69.1 mm (2.7 in)	28 of 100 (Routine)
Pretty Rock	United States	Record low maximum temperature	6.7 C (44.1 F)	28 of 100 (Routine)
Waterville Trtmt Plt	United States	Record high maximum temperature	32.8 C (91.0 F)	27 of 100 (Routine)
Birch Hill Dam	United States	Record high minimum temperature	17.2 C (63.0 F)	27 of 100 (Routine)
Pretty Rock	United States	Record daily precipitation	28.2 mm (1.1 in)	27 of 100 (Routine)
Combination	United States	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Hancock Houghton Co AP	United States	Record low maximum temperature	6.1 C (43.0 F)	27 of 100 (Routine)
Juan Mendoza	Bolivia	Record high minimum temperature	3.6 C (38.5 F)	26 of 100 (Routine)
Siping	China	Record low minimum temperature	3.5 C (38.3 F)	26 of 100 (Routine)
Matsuyama	Japan	Record daily precipitation	47.0 mm (1.9 in)	26 of 100 (Routine)
Zhezkazgan	Kazakhstan	Record high maximum temperature	37.4 C (99.3 F)	26 of 100 (Routine)
Zajsan	Kazakhstan	Record high minimum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Prastkulla	Sweden	Record low maximum temperature	8.0 C (46.4 F)	26 of 100 (Routine)
Aberporth	United Kingdom	Record low minimum temperature	4.2 C (39.6 F)	26 of 100 (Routine)
Ocracoke	United States	Record high minimum temperature	22.8 C (73.0 F)	26 of 100 (Routine)
Wise 1SE	United States	Record high maximum temperature	29.4 C (84.9 F)	26 of 100 (Routine)

Counts by Type and Timescale

414 records

Records set or tied on 27 May 2021 by type: Highest daily maximum 99, Lowest daily maximum 76, Highest daily minimum 96, Lowest daily minimum 47, Heaviest daily rainfall 94, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 27 May 2021 by type
Record type	Records
Highest daily maximum	99
Lowest daily maximum	76
Highest daily minimum	96
Lowest daily minimum	47
Heaviest daily rainfall	94
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 27 May 2021 by timescale: all-time 0, monthly 18, daily 396.

How Much Records Were Beaten By

324 broken records

Margins by which the 324 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 420.0. Ties are not counted.

Top 20 by Significance

27 May 2021

Top 20 records on 27 May 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 2021	Sambalpur, IN	daily rain	55.1 mm (2.2 in)	36.6 mm (1.4 in)	99 years	79 of 100 (Major)
27 May 2021	Colony, US	daily rain	41.9 mm (1.6 in)	14.7 mm (0.6 in)	95 years	55 of 100 (Notable)
27 May 2021	Hays 1 S, US	daily rain	66.5 mm (2.6 in)	14.4 mm (0.6 in)	122 years	51 of 100 (Notable)
27 May 2021	Roberts, KY	daily rain	85.1 mm (3.4 in)	47.5 mm (1.9 in)	44 years	49 of 100 (Notable)
27 May 2021	Jewell, US	monthly rain	83.1 mm (3.3 in)	14.0 mm (0.6 in)	63 years	49 of 100 (Notable)
27 May 2021	Eustis 2 NW, US	daily rain	67.1 mm (2.6 in)	31.3 mm (1.2 in)	59 years	49 of 100 (Notable)
27 May 2021	Kokpekty, KZ	daily high max	35.4 C (95.7 F)	3.9 C (7.0 F)	108 years	46 of 100 (Notable)
27 May 2021	Darjeeling, IN	daily rain	88.9 mm (3.5 in)	9.4 mm (0.37 in)	87 years	43 of 100 (Notable)
27 May 2021	Moran, US	monthly rain	111.8 mm (4.4 in)	1.3 mm (0.05 in)	78 years	43 of 100 (Notable)
27 May 2021	Mc Intosh 6 SE, US	daily low max	7.2 C (45.0 F)	2.2 C (4.0 F)	103 years	43 of 100 (Notable)
27 May 2021	Gyshgy, TM	daily high min	22.8 C (73.0 F)	3.2 C (5.8 F)	80 years	42 of 100 (Notable)
27 May 2021	Olton, US	daily rain	94.2 mm (3.7 in)	32.0 mm (1.3 in)	27 years	42 of 100 (Notable)
27 May 2021	Woodland, US	daily high max	32.8 C (91.0 F)	0.6 C (1.1 F)	100 years	41 of 100 (Notable)
27 May 2021	Stockholm, SE	daily low max	8.3 C (46.9 F)	0.2 C (0.4 F)	121 years	40 of 100 (Notable)
27 May 2021	Goessel 2 NW, US	monthly rain	118.6 mm (4.7 in)	14.5 mm (0.6 in)	50 years	39 of 100 (Notable)
27 May 2021	Akune, JP	daily rain	117.1 mm (4.6 in)	38.6 mm (1.5 in)	50 years	38 of 100 (Notable)
27 May 2021	Falun, SE	daily low max	8.0 C (46.4 F)	0.3 C (0.5 F)	95 years	38 of 100 (Notable)
27 May 2021	Mukdahan, TH	daily rain	75.4 mm (3.0 in)	20.3 mm (0.8 in)	66 years	38 of 100 (Notable)
27 May 2021	Calaveras Big Trees, US	daily low min	-1.7 C (28.9 F)	0.6 C (1.1 F)	91 years	37 of 100 (Notable)
27 May 2021	Joplin Rgnl AP, US	daily rain	78.0 mm (3.1 in)	31.5 mm (1.2 in)	34 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 2021

Records set or tied on this calendar date in each year from 1797 to 2021. 2021 had 414 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 2021-05-27: 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 100	323
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	1