Weather Records on 21 September 1990

716 weather records were set or tied worldwide on 21 September 1990. Highest significance: Wagoner, US.

Key Facts for 21 September 1990

On 21 September 1990, 716 weather records were set or tied at long-record stations worldwide.
237 were record highs and 171 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 23 monthly and 693 daily.
Wagoner set a daily record precipitation of 142.5 mm (5.6 in) on 21 September 1990.
Across 155 earlier years (1805 to 2026) the same calendar date averaged 449 records.

Record Map

716 stations

716 station records on 21 September 1990 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 September 1990: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wagoner	United States	Record daily precipitation	142.5 mm (5.6 in)	75 of 100 (Major)
Greifswald	Germany	Record daily precipitation	57.4 mm (2.3 in)	62 of 100 (Major)
Bristow	United States	Record daily precipitation	123.2 mm (4.9 in)	54 of 100 (Notable)
Bagdad	United States	Record daily precipitation	41.9 mm (1.6 in)	52 of 100 (Notable)
Rostock-Warnemunde	Germany	Record daily precipitation	42.6 mm (1.7 in)	51 of 100 (Notable)
Rimbo	Sweden	Record daily precipitation	34.2 mm (1.3 in)	51 of 100 (Notable)
Tribsees	Germany	Record daily precipitation	38.4 mm (1.5 in)	50 of 100 (Notable)
Selbu-Stubbe	Norway	Record daily precipitation	30.2 mm (1.2 in)	50 of 100 (Notable)
Carbo	Mexico	Record daily precipitation	51.3 mm (2.0 in)	47 of 100 (Notable)
Kalmar_D	Sweden	Record daily precipitation	26.3 mm (1.0 in)	47 of 100 (Notable)
Waiahole 837	United States	Record daily precipitation	111.8 mm (4.4 in)	47 of 100 (Notable)
Wilsons Promontory Lighthouse	Australia	Record daily precipitation	30.0 mm (1.2 in)	44 of 100 (Notable)
Pitea	Sweden	Record daily precipitation	31.1 mm (1.2 in)	44 of 100 (Notable)
Okmulgee Wtr Wks	United States	Record daily precipitation	71.9 mm (2.8 in)	43 of 100 (Notable)
Monahans	United States	Record daily precipitation	72.4 mm (2.9 in)	42 of 100 (Notable)
Lensahn	Germany	Record daily precipitation	37.2 mm (1.5 in)	41 of 100 (Notable)
Wrixum/Fohr	Germany	Record low maximum temperature	11.4 C (52.5 F)	41 of 100 (Notable)
Hogbo	Sweden	Record daily precipitation	32.3 mm (1.3 in)	41 of 100 (Notable)
Nullawarre	Australia	Record daily precipitation	26.0 mm (1.0 in)	40 of 100 (Notable)
Fagerheden	Sweden	Record daily precipitation	57.7 mm (2.3 in)	40 of 100 (Notable)
Longton	United States	Record daily precipitation	94.5 mm (3.7 in)	40 of 100 (Notable)
Fallfors	Sweden	Record daily precipitation	53.7 mm (2.1 in)	39 of 100 (Notable)
Haskell	United States	Record daily precipitation	86.6 mm (3.4 in)	39 of 100 (Notable)
Espanola	United States	Record daily precipitation	25.4 mm (1.0 in)	38 of 100 (Notable)
Ardmore	United States	Record daily precipitation	62.0 mm (2.4 in)	38 of 100 (Notable)
Newkirk 5NE	United States	Record daily precipitation	89.2 mm (3.5 in)	38 of 100 (Notable)
Tahlequah	United States	Record daily precipitation	119.4 mm (4.7 in)	38 of 100 (Notable)
Cordele	United States	Record high maximum temperature	37.2 C (99.0 F)	37 of 100 (Notable)
Anson	United States	Record daily precipitation	115.6 mm (4.6 in)	37 of 100 (Notable)
Marshall	United States	Record daily precipitation	53.3 mm (2.1 in)	36 of 100 (Notable)
Placerville	United States	Record high minimum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
Hastings 4N	United States	Record daily precipitation	36.8 mm (1.4 in)	36 of 100 (Notable)
Harrison Boone Co AP	United States	Record daily precipitation	55.4 mm (2.2 in)	36 of 100 (Notable)
Ronneby-Bredakra	Sweden	Record daily precipitation	29.7 mm (1.2 in)	35 of 100 (Notable)
Oswego 1 N	United States	Record daily precipitation	94.0 mm (3.7 in)	35 of 100 (Notable)
Chandler	United States	Record daily precipitation	76.2 mm (3.0 in)	35 of 100 (Notable)
Jacksboro	United States	Record daily precipitation	105.2 mm (4.1 in)	35 of 100 (Notable)
Cuauhtemoc	Mexico	Record daily precipitation	50.3 mm (2.0 in)	34 of 100 (Routine)
Gornyij	Russia	Record daily precipitation	61.8 mm (2.4 in)	34 of 100 (Routine)
Nakhon Phanom	Thailand	Record daily precipitation	96.0 mm (3.8 in)	34 of 100 (Routine)
Golden Pond 8 N	United States	Record daily precipitation	82.0 mm (3.2 in)	34 of 100 (Routine)
Calhoun Falls	United States	Record daily precipitation	25.4 mm (1.0 in)	34 of 100 (Routine)
Mascota (Smn)	Mexico	Record low minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Fayetteville Exp STN	United States	Record daily precipitation	114.0 mm (4.5 in)	33 of 100 (Routine)
Burnet	United States	Record high minimum temperature	25.6 C (78.1 F)	33 of 100 (Routine)
Ignacio Lopez Rayon	Mexico	Record low minimum temperature	17.8 C (64.0 F)	31 of 100 (Routine)
El Palmito	Mexico	Record daily precipitation	34.8 mm (1.4 in)	31 of 100 (Routine)
Tenosique (Smn)	Mexico	Record high minimum temperature	25.0 C (77.0 F)	31 of 100 (Routine)
Murcia/San Javier	Spain	Record high maximum temperature	35.5 C (95.9 F)	31 of 100 (Routine)
Artesia 6S	United States	Record high minimum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Ciudad Aleman	Mexico	Record high maximum temperature	38.9 C (102.0 F)	30 of 100 (Routine)
Ostana	Sweden	Record daily precipitation	41.7 mm (1.6 in)	30 of 100 (Routine)
Chardzhev	Turkmenistan	Record high maximum temperature	35.5 C (95.9 F)	30 of 100 (Routine)
Foraker	United States	Record daily precipitation	99.1 mm (3.9 in)	30 of 100 (Routine)
Haskell	United States	Record daily precipitation	84.1 mm (3.3 in)	30 of 100 (Routine)
Kailua 446	United States	Record high minimum temperature	22.8 C (73.0 F)	30 of 100 (Routine)
Ulricehamn	Sweden	Record low maximum temperature	7.4 C (45.3 F)	29 of 100 (Routine)
New Holland	United States	Record low minimum temperature	9.4 C (48.9 F)	29 of 100 (Routine)
Big Delta AP	United States	Record high maximum temperature	23.3 C (73.9 F)	29 of 100 (Routine)
Cavern City AP	United States	Record daily precipitation	64.0 mm (2.5 in)	29 of 100 (Routine)

Counts by Type and Timescale

716 records

Records set or tied on 21 September 1990 by type: Highest daily maximum 118, Lowest daily maximum 102, Highest daily minimum 119, Lowest daily minimum 69, Heaviest daily rainfall 301, Deepest snow cover 7.

Records on 21 September 1990 by type
Record type	Records
Highest daily maximum	118
Lowest daily maximum	102
Highest daily minimum	119
Lowest daily minimum	69
Heaviest daily rainfall	301
Heaviest daily snowfall	0
Deepest snow cover	7

Records on 21 September 1990 by timescale: all-time 0, monthly 23, daily 693.

How Much Records Were Beaten By

572 broken records

Margins by which the 572 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 99.6. Ties are not counted.

Top 20 by Significance

21 September 1990

Top 20 records on 21 September 1990 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 September 1990	Wagoner, US	daily rain	142.5 mm (5.6 in)	84.1 mm (3.3 in)	88 years	75 of 100 (Major)
21 September 1990	Greifswald, DE	monthly rain	57.4 mm (2.3 in)	14.5 mm (0.6 in)	59 years	62 of 100 (Major)
21 September 1990	Bristow, US	daily rain	123.2 mm (4.9 in)	96.3 mm (3.8 in)	24 years	54 of 100 (Notable)
21 September 1990	Bagdad, US	daily rain	41.9 mm (1.6 in)	35.0 mm (1.4 in)	52 years	52 of 100 (Notable)
21 September 1990	Rostock-Warnemunde, DE	daily rain	42.6 mm (1.7 in)	33.6 mm (1.3 in)	23 years	51 of 100 (Notable)
21 September 1990	Rimbo, SE	daily rain	34.2 mm (1.3 in)	22.7 mm (0.9 in)	36 years	51 of 100 (Notable)
21 September 1990	Tribsees, DE	daily rain	38.4 mm (1.5 in)	22.4 mm (0.9 in)	23 years	50 of 100 (Notable)
21 September 1990	Selbu-Stubbe, NO	daily rain	30.2 mm (1.2 in)	13.3 mm (0.5 in)	63 years	50 of 100 (Notable)
21 September 1990	Carbo, MX	daily rain	51.3 mm (2.0 in)	49.5 mm (1.9 in)	28 years	47 of 100 (Notable)
21 September 1990	Kalmar_D, SE	daily rain	26.3 mm (1.0 in)	14.4 mm (0.6 in)	37 years	47 of 100 (Notable)
21 September 1990	Waiahole 837, US	daily rain	111.8 mm (4.4 in)	99.6 mm (3.9 in)	12 years	47 of 100 (Notable)
21 September 1990	Wilsons Promontory Lighthouse, AU	daily rain	30.0 mm (1.2 in)	8.9 mm (0.35 in)	67 years	44 of 100 (Notable)
21 September 1990	Pitea, SE	daily rain	31.1 mm (1.2 in)	10.3 mm (0.4 in)	65 years	44 of 100 (Notable)
21 September 1990	Okmulgee Wtr Wks, US	daily rain	71.9 mm (2.8 in)	44.0 mm (1.7 in)	43 years	43 of 100 (Notable)
21 September 1990	Monahans, US	daily rain	72.4 mm (2.9 in)	54.6 mm (2.1 in)	12 years	42 of 100 (Notable)
21 September 1990	Lensahn, DE	daily rain	37.2 mm (1.5 in)	16.3 mm (0.6 in)	23 years	41 of 100 (Notable)
21 September 1990	Wrixum/Fohr, DE	daily low max	11.4 C (52.5 F)	0.3 C (0.5 F)	100 years	41 of 100 (Notable)
21 September 1990	Hogbo, SE	daily rain	32.3 mm (1.3 in)	22.6 mm (0.9 in)	21 years	41 of 100 (Notable)
21 September 1990	Nullawarre, AU	daily rain	26.0 mm (1.0 in)	6.9 mm (0.27 in)	67 years	40 of 100 (Notable)
21 September 1990	Fagerheden, SE	monthly rain	57.7 mm (2.3 in)	10.0 mm (0.4 in)	43 years	40 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

1805 to 1990

Records set or tied on this calendar date in each year from 1805 to 1990. 1990 had 716 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 1990-09-21: 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	532
20 to 40	23
40 to 60	13
60 to 80	1
80 to 100	3