Weather Records on 21 May 1980

857 weather records were set or tied worldwide on 21 May 1980. Highest significance: Ust-Umalta, RU.

Key Facts for 21 May 1980

On 21 May 1980, 857 weather records were set or tied at long-record stations worldwide.
473 were record highs and 174 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 67 monthly and 789 daily.
Ust-Umalta set a daily record precipitation of 36.3 mm (1.4 in) on 21 May 1980.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 458 records.

Record Map

857 stations

857 station records on 21 May 1980 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 May 1980: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ust-Umalta	Russia	Record daily precipitation	36.3 mm (1.4 in)	55 of 100 (Notable)
Weston	United States	Record daily precipitation	87.4 mm (3.4 in)	52 of 100 (Notable)
Sutton Lake	United States	Record daily precipitation	39.1 mm (1.5 in)	49 of 100 (Notable)
Guaira	Brazil	Record daily precipitation	86.6 mm (3.4 in)	48 of 100 (Notable)
Savage Rvr Dam	United States	Record daily precipitation	45.5 mm (1.8 in)	48 of 100 (Notable)
Gaffney 6 E	United States	Record daily precipitation	47.0 mm (1.9 in)	46 of 100 (Notable)
Berryville	United States	Record daily precipitation	44.2 mm (1.7 in)	46 of 100 (Notable)
Broederstroom (Bos)	South Africa	Record daily precipitation	60.0 mm (2.4 in)	45 of 100 (Notable)
Burnsville Lake	United States	Record daily precipitation	42.4 mm (1.7 in)	44 of 100 (Notable)
Burukan	Russia	Record daily precipitation	26.4 mm (1.0 in)	43 of 100 (Notable)
Mannington 8 WNW	United States	Record daily precipitation	47.0 mm (1.9 in)	42 of 100 (Notable)
Norcross	United States	Record daily precipitation	39.4 mm (1.6 in)	41 of 100 (Notable)
Ny Ave V Brooklyn	United States	Record daily precipitation	48.5 mm (1.9 in)	41 of 100 (Notable)
Williston Sloulin Fld	United States	Record high maximum temperature	38.9 C (102.0 F)	41 of 100 (Notable)
Goldbutte 7 N	United States	Record high maximum temperature	33.9 C (93.0 F)	39 of 100 (Notable)
Vandalia	United States	Record daily precipitation	61.5 mm (2.4 in)	38 of 100 (Notable)
Port Hastings	Canada	Record low minimum temperature	-2.0 C (28.4 F)	37 of 100 (Notable)
St Petersburg	United States	Record high minimum temperature	25.0 C (77.0 F)	37 of 100 (Notable)
Charlotte Court House	United States	Record daily precipitation	53.6 mm (2.1 in)	37 of 100 (Notable)
Choteau	United States	Record high minimum temperature	14.4 C (57.9 F)	36 of 100 (Notable)
Uniontown 1 NE	United States	Record daily precipitation	37.3 mm (1.5 in)	36 of 100 (Notable)
Empress	Canada	Record high maximum temperature	35.0 C (95.0 F)	35 of 100 (Notable)
Chestnut Hill	United States	Record low minimum temperature	1.7 C (35.1 F)	35 of 100 (Notable)
Willard 4 SW	United States	Record daily precipitation	57.2 mm (2.3 in)	35 of 100 (Notable)
Hood Rvr Exp STN	United States	Record high minimum temperature	13.9 C (57.0 F)	35 of 100 (Notable)
Mt Wx	United States	Record daily precipitation	53.8 mm (2.1 in)	35 of 100 (Notable)
Winchester 7 SE	United States	Record daily precipitation	51.1 mm (2.0 in)	35 of 100 (Notable)
Valley Head	United States	Record daily precipitation	42.2 mm (1.7 in)	35 of 100 (Notable)
Carway	Canada	Record high minimum temperature	15.5 C (59.9 F)	34 of 100 (Routine)
Elberton 2 N	United States	Record daily precipitation	61.5 mm (2.4 in)	34 of 100 (Routine)
Vanceburg	United States	Record high minimum temperature	18.3 C (64.9 F)	34 of 100 (Routine)
Kinston 7 SE	United States	Record daily precipitation	45.2 mm (1.8 in)	34 of 100 (Routine)
Enderby	Canada	Record high minimum temperature	11.5 C (52.7 F)	33 of 100 (Routine)
Weyburn	Canada	Record high maximum temperature	36.0 C (96.8 F)	33 of 100 (Routine)
Pointe Au Pere	Canada	Record high maximum temperature	27.0 C (80.6 F)	33 of 100 (Routine)
Clemson UNIV	United States	Record daily precipitation	45.7 mm (1.8 in)	33 of 100 (Routine)
New Cumberland L/D	United States	Record daily precipitation	26.7 mm (1.1 in)	33 of 100 (Routine)
Virden	Canada	Record high maximum temperature	37.0 C (98.6 F)	32 of 100 (Routine)
St. Petersburg	Russia	Record low maximum temperature	3.0 C (37.4 F)	32 of 100 (Routine)
Sivas	Turkey	Record high minimum temperature	17.2 C (63.0 F)	32 of 100 (Routine)
Pokegama Dam	United States	Record high minimum temperature	15.0 C (59.0 F)	32 of 100 (Routine)
Oxford 1 E	United States	Record daily precipitation	59.7 mm (2.4 in)	32 of 100 (Routine)
Roxboro 7 ESE	United States	Record low maximum temperature	21.1 C (70.0 F)	32 of 100 (Routine)
Pee Dee	United States	Record daily precipitation	52.1 mm (2.1 in)	32 of 100 (Routine)
Morgantown L&D	United States	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Ft Myers Page Fld AP	United States	Record daily precipitation	135.4 mm (5.3 in)	32 of 100 (Routine)
Whitewood	Canada	Record high maximum temperature	35.0 C (95.0 F)	31 of 100 (Routine)
Emerson	Canada	Record high minimum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Flahult	Sweden	Record low maximum temperature	6.5 C (43.7 F)	31 of 100 (Routine)
Vastervik	Sweden	Record low maximum temperature	7.9 C (46.2 F)	31 of 100 (Routine)
Crosby	United States	Record high maximum temperature	37.8 C (100.0 F)	31 of 100 (Routine)
Brooks Ahrc	Canada	Record high minimum temperature	16.5 C (61.7 F)	30 of 100 (Routine)
Grenfell	Canada	Record high maximum temperature	35.0 C (95.0 F)	30 of 100 (Routine)
Saskatoon Diefenbaker Int'l A	Canada	Record high maximum temperature	34.4 C (93.9 F)	30 of 100 (Routine)
Vilnius	Lithuania	Record low minimum temperature	0.4 C (32.7 F)	30 of 100 (Routine)
Warroad	United States	Record high minimum temperature	17.2 C (63.0 F)	30 of 100 (Routine)
Forks 4 NNE	United States	Record high maximum temperature	36.1 C (97.0 F)	30 of 100 (Routine)
Poplar 2 E	United States	Record high maximum temperature	39.4 C (102.9 F)	30 of 100 (Routine)
Catawba	United States	Record daily precipitation	50.0 mm (2.0 in)	30 of 100 (Routine)
Ware Shoals	United States	Record daily precipitation	53.6 mm (2.1 in)	30 of 100 (Routine)

Counts by Type and Timescale

857 records

Records set or tied on 21 May 1980 by type: Highest daily maximum 282, Lowest daily maximum 116, Highest daily minimum 191, Lowest daily minimum 58, Heaviest daily rainfall 209, Heaviest daily snowfall 1.

Records on 21 May 1980 by type
Record type	Records
Highest daily maximum	282
Lowest daily maximum	116
Highest daily minimum	191
Lowest daily minimum	58
Heaviest daily rainfall	209
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 21 May 1980 by timescale: all-time 1, monthly 67, daily 789.

How Much Records Were Beaten By

706 broken records

Margins by which the 706 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 70.6. Ties are not counted.

Top 20 by Significance

21 May 1980

Top 20 records on 21 May 1980 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 May 1980	Ust-Umalta, RU	daily rain	36.3 mm (1.4 in)	27.1 mm (1.1 in)	37 years	55 of 100 (Notable)
21 May 1980	Weston, US	monthly rain	87.4 mm (3.4 in)	27.7 mm (1.1 in)	11 years	52 of 100 (Notable)
21 May 1980	Sutton Lake, US	daily rain	39.1 mm (1.5 in)	22.6 mm (0.9 in)	63 years	49 of 100 (Notable)
21 May 1980	Guaira, BR	daily rain	86.6 mm (3.4 in)	70.6 mm (2.8 in)	37 years	48 of 100 (Notable)
21 May 1980	Savage Rvr Dam, US	daily rain	45.5 mm (1.8 in)	29.8 mm (1.2 in)	26 years	48 of 100 (Notable)
21 May 1980	Gaffney 6 E, US	daily rain	47.0 mm (1.9 in)	19.1 mm (0.8 in)	79 years	46 of 100 (Notable)
21 May 1980	Berryville, US	daily rain	44.2 mm (1.7 in)	28.2 mm (1.1 in)	45 years	46 of 100 (Notable)
21 May 1980	Broederstroom (Bos), ZA	daily rain	60.0 mm (2.4 in)	37.1 mm (1.5 in)	41 years	45 of 100 (Notable)
21 May 1980	Burnsville Lake, US	daily rain	42.4 mm (1.7 in)	30.2 mm (1.2 in)	28 years	44 of 100 (Notable)
21 May 1980	Burukan, RU	daily rain	26.4 mm (1.0 in)	20.6 mm (0.8 in)	14 years	43 of 100 (Notable)
21 May 1980	Mannington 8 WNW, US	daily rain	47.0 mm (1.9 in)	29.5 mm (1.2 in)	28 years	42 of 100 (Notable)
21 May 1980	Norcross, US	daily rain	39.4 mm (1.6 in)	17.0 mm (0.7 in)	70 years	41 of 100 (Notable)
21 May 1980	Ny Ave V Brooklyn, US	daily rain	48.5 mm (1.9 in)	34.3 mm (1.4 in)	26 years	41 of 100 (Notable)
21 May 1980	Williston Sloulin Fld, US	monthly high max	38.9 C (102.0 F)	0.6 C (1.1 F)	79 years	41 of 100 (Notable)
21 May 1980	Goldbutte 7 N, US	monthly high max	33.9 C (93.0 F)	1.7 C (3.1 F)	69 years	39 of 100 (Notable)
21 May 1980	Vandalia, US	daily rain	61.5 mm (2.4 in)	18.3 mm (0.7 in)	45 years	38 of 100 (Notable)
21 May 1980	Port Hastings, CA	daily low min	-2.0 C (28.4 F)	0.9 C (1.6 F)	83 years	37 of 100 (Notable)
21 May 1980	St Petersburg, US	daily high min	25.0 C (77.0 F)	0.6 C (1.1 F)	86 years	37 of 100 (Notable)
21 May 1980	Charlotte Court House, US	daily rain	53.6 mm (2.1 in)	27.2 mm (1.1 in)	33 years	37 of 100 (Notable)
21 May 1980	Choteau, US	daily high min	14.4 C (57.9 F)	1.6 C (2.9 F)	82 years	36 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

1793 to 1980

Records set or tied on this calendar date in each year from 1793 to 1980. 1980 had 857 records.

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

Records on 05-21 in each year
Year	Records
1793	1
1795	1
1811	1
1837	2
1842	1
1847	2
1854	1
1857	1
1858	1
1865	1
1866	1
1870	2
1875	1
1876	1
1880	2
1882	1
1885	1
1886	2
1887	3
1889	5
1890	3
1891	6
1892	1
1893	1
1894	4
1895	4
1896	5
1897	2
1898	1
1899	5
1900	1
1901	3
1902	4
1903	26
1904	8
1905	7
1906	12
1907	36
1908	13
1909	13
1910	14
1911	87
1912	24
1913	13
1914	26
1915	24
1916	13
1917	76
1918	51
1919	170
1920	39
1921	158
1922	39
1923	125
1924	148
1925	250
1926	221
1927	207
1928	173
1929	247
1930	133
1931	488
1932	343
1933	290
1934	590
1935	190
1936	328
1937	227
1938	348
1939	355
1940	456
1941	525
1942	482
1943	463
1944	310
1945	515
1946	324
1947	485
1948	312
1949	593
1950	403
1951	271
1952	385
1953	501
1954	961
1955	507
1956	409
1957	709
1958	511
1959	684
1960	615
1961	306
1962	553
1963	598
1964	788
1965	238
1966	296
1967	1,022
1968	549
1969	832
1970	449
1971	536
1972	557
1973	493
1974	847
1975	1,160
1976	393
1977	756
1978	575
1979	787
1980	857
1981	1,550
1982	599
1983	1,106
1984	950
1985	610
1986	908
1987	1,242
1988	819
1989	671
1990	947
1991	1,065
1992	1,143
1993	1,197
1994	656
1995	749
1996	1,461
1997	953
1998	1,200
1999	544
2000	897
2001	1,187
2002	2,048
2003	807
2004	898
2005	1,020
2006	810
2007	894
2008	740
2009	1,315
2010	962
2011	959
2012	848
2013	884
2014	522
2015	956
2016	567
2017	780
2018	525
2019	1,668
2020	707
2021	1,131
2022	1,512
2023	794
2024	751
2025	776
2026	356

Download the Data

Data for records on 1980-05-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 10	647
10 to 20	37
20 to 30	18
30 to 40	3
40 to 50	0
50 to 60	0
60 to 70	0
70 to 80	1