Weather Records on 21 September 1983

2,207 weather records were set or tied worldwide on 21 September 1983. Highest significance: Bogucany, RU.

Key Facts for 21 September 1983

On 21 September 1983, 2,207 weather records were set or tied at long-record stations worldwide.
388 were record highs and 1,380 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 132 monthly and 2,071 daily.
Bogucany set a daily record precipitation of 36.0 mm (1.4 in) on 21 September 1983.
Across 155 earlier years (1805 to 2026) the same calendar date averaged 440 records.

Record Map

2,000 stations, highest significance shown

2,000 station records on 21 September 1983 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 September 1983: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bogucany	Russia	Record daily precipitation	36.0 mm (1.4 in)	60 of 100 (Major)
Gonda	Russia	Record daily precipitation	25.8 mm (1.0 in)	55 of 100 (Notable)
Britt 3E	United States	Record daily precipitation	120.9 mm (4.8 in)	54 of 100 (Notable)
Houston	United States	Record daily precipitation	112.0 mm (4.4 in)	51 of 100 (Notable)
Fort Cunynghame (Bos)	South Africa	Record daily precipitation	31.3 mm (1.2 in)	50 of 100 (Notable)
Morrisville 6 SW	United States	Record daily precipitation	42.9 mm (1.7 in)	50 of 100 (Notable)
Steinkopf (Pol)	South Africa	Record daily precipitation	25.0 mm (1.0 in)	49 of 100 (Notable)
Plattsburgh AFB	United States	Record daily precipitation	54.1 mm (2.1 in)	49 of 100 (Notable)
Holly	United States	Record low minimum temperature	-5.0 C (23.0 F)	48 of 100 (Notable)
Matjiesrivier (Skl)	South Africa	Record daily precipitation	40.5 mm (1.6 in)	47 of 100 (Notable)
Anadarko 3 E	United States	Record low minimum temperature	0.0 C (32.0 F)	47 of 100 (Notable)
Richmond	Canada	Record high minimum temperature	18.5 C (65.3 F)	46 of 100 (Notable)
Thomas River (Pol)	South Africa	Record daily precipitation	38.0 mm (1.5 in)	46 of 100 (Notable)
Thomas River (Sar)	South Africa	Record daily precipitation	41.0 mm (1.6 in)	46 of 100 (Notable)
Molteno (Mun)	South Africa	Record daily precipitation	27.5 mm (1.1 in)	46 of 100 (Notable)
Coldwater	United States	Record low minimum temperature	-0.6 C (30.9 F)	46 of 100 (Notable)
Crosbyton	United States	Record low minimum temperature	0.0 C (32.0 F)	46 of 100 (Notable)
Kimball 2NE	United States	Record low minimum temperature	-8.3 C (17.1 F)	45 of 100 (Notable)
Cathcart	South Africa	Record daily precipitation	51.0 mm (2.0 in)	44 of 100 (Notable)
Eston	South Africa	Record daily precipitation	32.0 mm (1.3 in)	44 of 100 (Notable)
Paso Robles	United States	Record high minimum temperature	20.0 C (68.0 F)	44 of 100 (Notable)
Mountainair	United States	Record low minimum temperature	-6.1 C (21.0 F)	44 of 100 (Notable)
Perry	United States	Record low minimum temperature	1.1 C (34.0 F)	44 of 100 (Notable)
Canadian	United States	Record low minimum temperature	-2.2 C (28.0 F)	42 of 100 (Notable)
Borrego Desert Park	United States	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Rock Rapids	United States	Record low maximum temperature	6.1 C (43.0 F)	41 of 100 (Notable)
Erick	United States	Record low minimum temperature	-1.1 C (30.0 F)	41 of 100 (Notable)
Midland 4 ENE	United States	Record low minimum temperature	4.4 C (39.9 F)	41 of 100 (Notable)
Conceicao Do Ibitipoca	Brazil	Record daily precipitation	45.0 mm (1.8 in)	40 of 100 (Notable)
Ashland	United States	Record low minimum temperature	-1.7 C (28.9 F)	40 of 100 (Notable)
Medicine Lodge	United States	Record low minimum temperature	-1.7 C (28.9 F)	40 of 100 (Notable)
Cimarron 4 SW	United States	Record low minimum temperature	-5.6 C (21.9 F)	40 of 100 (Notable)
Papane (Bos)	South Africa	Record daily precipitation	130.0 mm (5.1 in)	39 of 100 (Notable)
Arkadelphia 2 N	United States	Record low maximum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Oceanside Marina	United States	Record high minimum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
Russell Springs	United States	Record low minimum temperature	-5.0 C (23.0 F)	39 of 100 (Notable)
Springer	United States	Record low minimum temperature	-3.9 C (25.0 F)	39 of 100 (Notable)
Chattanooga	United States	Record low minimum temperature	1.1 C (34.0 F)	39 of 100 (Notable)
Hooker	United States	Record low minimum temperature	-1.7 C (28.9 F)	39 of 100 (Notable)
Wessington Springs	United States	Record low minimum temperature	-0.6 C (30.9 F)	39 of 100 (Notable)
Sulphur Springs	United States	Record low minimum temperature	5.6 C (42.1 F)	39 of 100 (Notable)
Centerville	United States	Record low maximum temperature	13.9 C (57.0 F)	38 of 100 (Notable)
Henderson 8 SSW	United States	Record low maximum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Tekamah	United States	Record low maximum temperature	12.2 C (54.0 F)	38 of 100 (Notable)
Santa Rosa	United States	Record low minimum temperature	0.6 C (33.1 F)	38 of 100 (Notable)
Waxahachie	United States	Record low maximum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Houston Wb City	United States	Record low maximum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
Zakatala	Azerbaijan	Record daily precipitation	46.0 mm (1.8 in)	37 of 100 (Notable)
Mendanha-Montante	Brazil	Record daily precipitation	61.0 mm (2.4 in)	37 of 100 (Notable)
Atotonilco El Alto	Mexico	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Puts	South Africa	Record daily precipitation	28.0 mm (1.1 in)	37 of 100 (Notable)
Roseau	United States	Record low maximum temperature	6.7 C (44.1 F)	37 of 100 (Notable)
Windsor	United States	Record low minimum temperature	0.6 C (33.1 F)	37 of 100 (Notable)
Mitchell 5E	United States	Record low minimum temperature	-7.8 C (18.0 F)	37 of 100 (Notable)
El Reno 1 N	United States	Record low maximum temperature	18.9 C (66.0 F)	37 of 100 (Notable)
Scottsbluff W B Heilig Fld AP	United States	Record low minimum temperature	-7.2 C (19.0 F)	37 of 100 (Notable)
La Pocatiere Cda	Canada	Record high maximum temperature	32.0 C (89.6 F)	36 of 100 (Notable)
Soledad de Graciano	Mexico	Record high maximum temperature	38.9 C (102.0 F)	36 of 100 (Notable)
Helena	United States	Record low minimum temperature	5.6 C (42.1 F)	36 of 100 (Notable)
Boulder	United States	Record low minimum temperature	-3.3 C (26.1 F)	36 of 100 (Notable)

Counts by Type and Timescale

2,207 records

Records set or tied on 21 September 1983 by type: Highest daily maximum 162, Lowest daily maximum 535, Highest daily minimum 226, Lowest daily minimum 845, Heaviest daily rainfall 430, Heaviest daily snowfall 2, Deepest snow cover 7.

Records on 21 September 1983 by type
Record type	Records
Highest daily maximum	162
Lowest daily maximum	535
Highest daily minimum	226
Lowest daily minimum	845
Heaviest daily rainfall	430
Heaviest daily snowfall	2
Deepest snow cover	7

Records on 21 September 1983 by timescale: all-time 4, monthly 132, daily 2,071.

How Much Records Were Beaten By

1,790 broken records

Margins by which the 1,790 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

21 September 1983

Top 20 records on 21 September 1983 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 September 1983	Bogucany, RU	daily rain	36.0 mm (1.4 in)	30.5 mm (1.2 in)	52 years	60 of 100 (Major)
21 September 1983	Gonda, RU	daily rain	25.8 mm (1.0 in)	20.7 mm (0.8 in)	38 years	55 of 100 (Notable)
21 September 1983	Britt 3E, US	daily rain	120.9 mm (4.8 in)	100.1 mm (3.9 in)	22 years	54 of 100 (Notable)
21 September 1983	Houston, US	monthly rain	112.0 mm (4.4 in)	42.7 mm (1.7 in)	26 years	51 of 100 (Notable)
21 September 1983	Fort Cunynghame (Bos), ZA	daily rain	31.3 mm (1.2 in)	19.9 mm (0.8 in)	76 years	50 of 100 (Notable)
21 September 1983	Morrisville 6 SW, US	daily rain	42.9 mm (1.7 in)	26.4 mm (1.0 in)	60 years	50 of 100 (Notable)
21 September 1983	Steinkopf (Pol), ZA	daily rain	25.0 mm (1.0 in)	19.0 mm (0.7 in)	10 years	49 of 100 (Notable)
21 September 1983	Plattsburgh AFB, US	daily rain	54.1 mm (2.1 in)	42.4 mm (1.7 in)	5 years	49 of 100 (Notable)
21 September 1983	Holly, US	monthly low min	-5.0 C (23.0 F)	2.8 C (5.0 F)	80 years	48 of 100 (Notable)
21 September 1983	Matjiesrivier (Skl), ZA	daily rain	40.5 mm (1.6 in)	32.0 mm (1.3 in)	25 years	47 of 100 (Notable)
21 September 1983	Anadarko 3 E, US	monthly low min	0.0 C (32.0 F)	1.1 C (2.0 F)	87 years	47 of 100 (Notable)
21 September 1983	Richmond, CA	daily high min	18.5 C (65.3 F)	3.5 C (6.3 F)	104 years	46 of 100 (Notable)
21 September 1983	Thomas River (Pol), ZA	daily rain	38.0 mm (1.5 in)	33.0 mm (1.3 in)	5 years	46 of 100 (Notable)
21 September 1983	Thomas River (Sar), ZA	daily rain	41.0 mm (1.6 in)	22.5 mm (0.9 in)	36 years	46 of 100 (Notable)
21 September 1983	Molteno (Mun), ZA	daily rain	27.5 mm (1.1 in)	15.8 mm (0.6 in)	76 years	46 of 100 (Notable)
21 September 1983	Coldwater, US	monthly low min	-0.6 C (30.9 F)	0.6 C (1.1 F)	87 years	46 of 100 (Notable)
21 September 1983	Crosbyton, US	monthly low min	0.0 C (32.0 F)	0.6 C (1.1 F)	86 years	46 of 100 (Notable)
21 September 1983	Kimball 2NE, US	daily low min	-8.3 C (17.1 F)	4.4 C (7.9 F)	87 years	45 of 100 (Notable)
21 September 1983	Cathcart, ZA	monthly rain	51.0 mm (2.0 in)	0.2 mm (0.01 in)	81 years	44 of 100 (Notable)
21 September 1983	Robertson, ZA	daily rain	15.5 mm (0.6 in)	8.1 mm (0.32 in)	98 years	20 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

1805 to 1983

Records set or tied on this calendar date in each year from 1805 to 1983. 1983 had 2,207 records.

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

Records on 09-21 in each year
Year	Records
1805	1
1812	1
1825	2
1840	1
1841	1
1842	1
1848	1
1854	1
1856	2
1868	1
1872	2
1873	1
1877	1
1878	1
1881	1
1882	1
1884	1
1886	1
1888	2
1889	1
1891	10
1892	1
1893	10
1894	2
1895	3
1896	2
1897	6
1898	6
1899	3
1900	2
1901	5
1902	5
1903	8
1904	20
1905	12
1906	17
1907	10
1908	17
1909	10
1910	8
1911	18
1912	26
1913	37
1914	29
1915	34
1916	48
1917	28
1918	43
1919	54
1920	29
1921	64
1922	35
1923	232
1924	291
1925	278
1926	178
1927	165
1928	81
1929	232
1930	82
1931	681
1932	242
1933	193
1934	492
1935	199
1936	329
1937	487
1938	508
1939	308
1940	908
1941	416
1942	291
1943	407
1944	413
1945	507
1946	176
1947	534
1948	301
1949	298
1950	334
1951	241
1952	430
1953	382
1954	453
1955	752
1956	1,100
1957	366
1958	588
1959	513
1960	418
1961	441
1962	1,085
1963	306
1964	374
1965	1,088
1966	565
1967	577
1968	790
1969	593
1970	708
1971	645
1972	599
1973	421
1974	652
1975	528
1976	694
1977	918
1978	818
1979	736
1980	990
1981	696
1982	1,484
1983	2,207
1984	707
1985	796
1986	671
1987	965
1988	557
1989	1,002
1990	716
1991	1,021
1992	752
1993	911
1994	713
1995	2,002
1996	1,233
1997	1,112
1998	1,481
1999	1,025
2000	884
2001	718
2002	696
2003	959
2004	888
2005	1,143
2006	920
2007	742
2008	740
2009	715
2010	1,290
2011	542
2012	595
2013	769
2014	716
2015	565
2016	989
2017	1,178
2018	1,051
2019	833
2020	580
2021	465
2022	1,049
2023	783
2024	470
2025	588
2026	469

Download the Data

Data for records on 1983-09-21: 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 2026-10-13 (13 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 20	1,746
20 to 40	34
40 to 60	8
60 to 80	0
80 to 100	0
100 to 120	1
120 to 140	0
140 to 160	1