Weather Records on 20 May 1982

554 weather records were set or tied worldwide on 20 May 1982. Highest significance: Belle Fourche, US.

Key Facts for 20 May 1982

On 20 May 1982, 554 weather records were set or tied at long-record stations worldwide.
100 were record highs and 88 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 15 monthly and 538 daily.
Belle Fourche set an all-time record daily precipitation of 108.0 mm (4.3 in) on 20 May 1982.
Across 162 earlier years (1802 to 2026) the same calendar date averaged 455 records.

Record Map

554 stations

554 station records on 20 May 1982 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 May 1982: highest significance records shown on the map
Station	Country	Type	Value	Significance
Belle Fourche	United States	Record daily precipitation	108.0 mm (4.3 in)	61 of 100 (Major)
Selmer	United States	Record daily precipitation	97.5 mm (3.8 in)	60 of 100 (Major)
Spearfish	United States	Record daily precipitation	89.2 mm (3.5 in)	59 of 100 (Notable)
Spencer 6 SSE	United States	Record daily precipitation	54.4 mm (2.1 in)	58 of 100 (Notable)
Saskatoon Diefenbaker Int'l A	Canada	Record daily precipitation	33.6 mm (1.3 in)	57 of 100 (Notable)
Newell	United States	Record daily precipitation	68.8 mm (2.7 in)	57 of 100 (Notable)
Buskala Rch	United States	Record daily precipitation	52.1 mm (2.1 in)	53 of 100 (Notable)
Milesville 5 NE	United States	Record daily precipitation	72.6 mm (2.9 in)	53 of 100 (Notable)
Deadwood	United States	Record daily precipitation	88.9 mm (3.5 in)	52 of 100 (Notable)
Karratha Station	Australia	Record daily precipitation	72.0 mm (2.8 in)	51 of 100 (Notable)
Zhytomyr	Ukraine	Record daily precipitation	62.2 mm (2.4 in)	51 of 100 (Notable)
Pyramid Station	Australia	Record daily precipitation	86.5 mm (3.4 in)	50 of 100 (Notable)
Shirakawa	Japan	Record daily precipitation	74.0 mm (2.9 in)	50 of 100 (Notable)
Camp Crook	United States	Record daily precipitation	38.1 mm (1.5 in)	50 of 100 (Notable)
Hillside Station	Australia	Record daily precipitation	48.0 mm (1.9 in)	49 of 100 (Notable)
Mazapil	Mexico	Record daily precipitation	46.0 mm (1.8 in)	49 of 100 (Notable)
Newton	United States	Record daily precipitation	25.4 mm (1.0 in)	49 of 100 (Notable)
Omaha Eppley Airfield	United States	Record daily precipitation	78.0 mm (3.1 in)	49 of 100 (Notable)
Ekalaka	United States	Record daily precipitation	59.4 mm (2.3 in)	48 of 100 (Notable)
Bison	United States	Record daily precipitation	53.3 mm (2.1 in)	48 of 100 (Notable)
Ft Meade	United States	Record daily precipitation	63.0 mm (2.5 in)	48 of 100 (Notable)
Redig 11 NE	United States	Record daily precipitation	52.8 mm (2.1 in)	48 of 100 (Notable)
Faith	United States	Record daily precipitation	48.8 mm (1.9 in)	47 of 100 (Notable)
Lemmon	United States	Record daily precipitation	56.1 mm (2.2 in)	47 of 100 (Notable)
Pickstown	United States	Record daily precipitation	69.9 mm (2.8 in)	47 of 100 (Notable)
Coolawanyah	Australia	Record daily precipitation	29.0 mm (1.1 in)	46 of 100 (Notable)
Wyloo	Australia	Record daily precipitation	41.0 mm (1.6 in)	46 of 100 (Notable)
Ft Robinson	United States	Record daily precipitation	55.9 mm (2.2 in)	46 of 100 (Notable)
Dolisie	Congo (Brazzaville)	Record daily precipitation	112.0 mm (4.4 in)	45 of 100 (Notable)
Lead	United States	Record daily precipitation	81.5 mm (3.2 in)	45 of 100 (Notable)
Alva 5 ESE	United States	Record daily precipitation	65.5 mm (2.6 in)	45 of 100 (Notable)
Ottumwa Ind AP	United States	Record daily precipitation	62.0 mm (2.4 in)	45 of 100 (Notable)
Colony	United States	Record daily precipitation	72.4 mm (2.9 in)	43 of 100 (Notable)
Ashburton Downs	Australia	Record daily precipitation	29.4 mm (1.2 in)	42 of 100 (Notable)
Cuimato	Mexico	Record daily precipitation	42.4 mm (1.7 in)	41 of 100 (Notable)
Bedford	United States	Record daily precipitation	76.2 mm (3.0 in)	41 of 100 (Notable)
Elm Springs 3 ESE	United States	Record daily precipitation	52.6 mm (2.1 in)	41 of 100 (Notable)
Ralph 1 N	United States	Record daily precipitation	42.7 mm (1.7 in)	41 of 100 (Notable)
Fukushima Arpt	Japan	Record daily precipitation	74.5 mm (2.9 in)	40 of 100 (Notable)
New England	United States	Record daily precipitation	26.7 mm (1.1 in)	40 of 100 (Notable)
Wagner	United States	Record daily precipitation	57.9 mm (2.3 in)	40 of 100 (Notable)
Zeona 10 SSW	United States	Record daily precipitation	43.9 mm (1.7 in)	39 of 100 (Notable)
Millstream	Australia	Record daily precipitation	60.0 mm (2.4 in)	38 of 100 (Notable)
Sendai	Japan	Record daily precipitation	118.0 mm (4.6 in)	38 of 100 (Notable)
Ignacio Lopez Rayon	Mexico	Record daily precipitation	77.0 mm (3.0 in)	38 of 100 (Notable)
Yarraloola	Australia	Record daily precipitation	47.0 mm (1.9 in)	37 of 100 (Notable)
Greencastle 1 W	United States	Record daily precipitation	36.6 mm (1.4 in)	37 of 100 (Notable)
Sigourney	United States	Record daily precipitation	32.0 mm (1.3 in)	36 of 100 (Notable)
Steubenville	United States	Record daily precipitation	45.2 mm (1.8 in)	36 of 100 (Notable)
Ciudad Hidalgo (Smn)	Mexico	Record daily precipitation	31.0 mm (1.2 in)	35 of 100 (Notable)
Uruapan (Smn)	Mexico	Record daily precipitation	38.9 mm (1.5 in)	35 of 100 (Notable)
Soledad de Graciano	Mexico	Record daily precipitation	34.8 mm (1.4 in)	35 of 100 (Notable)
Harlan	United States	Record daily precipitation	38.6 mm (1.5 in)	35 of 100 (Notable)
Fulton	United States	Record daily precipitation	38.4 mm (1.5 in)	35 of 100 (Notable)
Belltower	United States	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Kalispell Glacier AP	United States	Record low minimum temperature	-1.7 C (28.9 F)	35 of 100 (Notable)
Olga 2 SE	United States	Record low minimum temperature	1.7 C (35.1 F)	35 of 100 (Notable)
San Luis Potosi (Dge)	Mexico	Record daily precipitation	34.3 mm (1.4 in)	34 of 100 (Routine)
Manlio Fabio Altamiramo	Mexico	Record daily precipitation	39.9 mm (1.6 in)	34 of 100 (Routine)
Plevna	United States	Record daily precipitation	34.0 mm (1.3 in)	34 of 100 (Routine)

Counts by Type and Timescale

554 records

Records set or tied on 20 May 1982 by type: Highest daily maximum 22, Lowest daily maximum 45, Highest daily minimum 78, Lowest daily minimum 43, Heaviest daily rainfall 364, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 20 May 1982 by type
Record type	Records
Highest daily maximum	22
Lowest daily maximum	45
Highest daily minimum	78
Lowest daily minimum	43
Heaviest daily rainfall	364
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 20 May 1982 by timescale: all-time 1, monthly 15, daily 538.

How Much Records Were Beaten By

488 broken records

Margins by which the 488 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 68.7. Ties are not counted.

Top 20 by Significance

20 May 1982

Top 20 records on 20 May 1982 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 May 1982	Belle Fourche, US	all-time rain	108.0 mm (4.3 in)	14.0 mm (0.6 in)	58 years	61 of 100 (Major)
20 May 1982	Selmer, US	daily rain	97.5 mm (3.8 in)	67.0 mm (2.6 in)	47 years	60 of 100 (Major)
20 May 1982	Spearfish, US	daily rain	89.2 mm (3.5 in)	52.4 mm (2.1 in)	36 years	59 of 100 (Notable)
20 May 1982	Spencer 6 SSE, US	daily rain	54.4 mm (2.1 in)	37.9 mm (1.5 in)	36 years	58 of 100 (Notable)
20 May 1982	Saskatoon Diefenbaker Int'l A, CA	daily rain	33.6 mm (1.3 in)	17.3 mm (0.7 in)	68 years	57 of 100 (Notable)
20 May 1982	Newell, US	daily rain	68.8 mm (2.7 in)	45.2 mm (1.8 in)	36 years	57 of 100 (Notable)
20 May 1982	Buskala Rch, US	daily rain	52.1 mm (2.1 in)	32.3 mm (1.3 in)	44 years	53 of 100 (Notable)
20 May 1982	Milesville 5 NE, US	daily rain	72.6 mm (2.9 in)	58.9 mm (2.3 in)	23 years	53 of 100 (Notable)
20 May 1982	Deadwood, US	daily rain	88.9 mm (3.5 in)	59.2 mm (2.3 in)	24 years	52 of 100 (Notable)
20 May 1982	Karratha Station, AU	daily rain	72.0 mm (2.8 in)	46.3 mm (1.8 in)	49 years	51 of 100 (Notable)
20 May 1982	Zhytomyr, UA	monthly rain	62.2 mm (2.4 in)	18.9 mm (0.7 in)	21 years	51 of 100 (Notable)
20 May 1982	Pyramid Station, AU	monthly rain	86.5 mm (3.4 in)	32.4 mm (1.3 in)	30 years	50 of 100 (Notable)
20 May 1982	Shirakawa, JP	daily rain	74.0 mm (2.9 in)	58.0 mm (2.3 in)	24 years	50 of 100 (Notable)
20 May 1982	Camp Crook, US	daily rain	38.1 mm (1.5 in)	16.5 mm (0.6 in)	73 years	50 of 100 (Notable)
20 May 1982	Hillside Station, AU	daily rain	48.0 mm (1.9 in)	42.9 mm (1.7 in)	13 years	49 of 100 (Notable)
20 May 1982	Mazapil, MX	daily rain	46.0 mm (1.8 in)	38.1 mm (1.5 in)	17 years	49 of 100 (Notable)
20 May 1982	Newton, US	daily rain	25.4 mm (1.0 in)	18.5 mm (0.7 in)	83 years	49 of 100 (Notable)
20 May 1982	Omaha Eppley Airfield, US	daily rain	78.0 mm (3.1 in)	53.1 mm (2.1 in)	21 years	49 of 100 (Notable)
20 May 1982	Ekalaka, US	daily rain	59.4 mm (2.3 in)	13.7 mm (0.5 in)	82 years	48 of 100 (Notable)
20 May 1982	Bison, US	daily rain	53.3 mm (2.1 in)	33.7 mm (1.3 in)	24 years	48 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

1802 to 1982

Records set or tied on this calendar date in each year from 1802 to 1982. 1982 had 554 records.

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

Records on 05-20 in each year
Year	Records
1802	1
1803	1
1804	1
1815	1
1825	1
1837	1
1844	1
1845	3
1847	1
1854	1
1858	3
1861	1
1862	1
1865	1
1867	1
1868	2
1870	3
1871	2
1876	2
1877	3
1879	1
1880	2
1884	2
1885	1
1887	2
1889	3
1890	3
1891	5
1892	3
1893	1
1894	6
1895	3
1896	3
1897	3
1898	4
1899	4
1900	1
1901	5
1902	11
1903	19
1904	4
1905	4
1906	22
1907	35
1908	23
1909	10
1910	20
1911	82
1912	20
1913	10
1914	16
1915	42
1916	29
1917	46
1918	92
1919	56
1920	44
1921	234
1922	40
1923	125
1924	189
1925	251
1926	128
1927	118
1928	138
1929	323
1930	129
1931	451
1932	689
1933	449
1934	582
1935	259
1936	207
1937	270
1938	331
1939	266
1940	337
1941	378
1942	337
1943	802
1944	315
1945	498
1946	339
1947	358
1948	514
1949	586
1950	327
1951	288
1952	615
1953	518
1954	822
1955	421
1956	565
1957	728
1958	378
1959	785
1960	612
1961	333
1962	773
1963	732
1964	517
1965	200
1966	416
1967	587
1968	743
1969	885
1970	310
1971	653
1972	612
1973	419
1974	893
1975	1,332
1976	837
1977	553
1978	534
1979	683
1980	751
1981	1,540
1982	554
1983	1,307
1984	867
1985	426
1986	790
1987	1,036
1988	805
1989	764
1990	722
1991	925
1992	1,200
1993	1,208
1994	778
1995	734
1996	1,749
1997	1,106
1998	1,124
1999	673
2000	991
2001	847
2002	2,299
2003	1,201
2004	746
2005	929
2006	1,006
2007	565
2008	999
2009	1,529
2010	1,011
2011	1,117
2012	604
2013	919
2014	629
2015	1,001
2016	692
2017	1,214
2018	460
2019	1,483
2020	784
2021	904
2022	1,643
2023	1,106
2024	478
2025	969
2026	696

Download the Data

Data for records on 1982-05-20: 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 2026-10-16 (16 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 10	358
10 to 20	68
20 to 30	31
30 to 40	17
40 to 50	6
50 to 60	5
60 to 70	3