Weather Records on 20 September 1990

743 weather records were set or tied worldwide on 20 September 1990. Highest significance: Meeker 5 W, US.

Key Facts for 20 September 1990

On 20 September 1990, 743 weather records were set or tied at long-record stations worldwide.
219 were record highs and 166 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 11 monthly and 731 daily.
Meeker 5 W set a daily record precipitation of 142.2 mm (5.6 in) on 20 September 1990.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 440 records.

Record Map

743 stations

743 station records on 20 September 1990 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 1990: highest significance records shown on the map
Station	Country	Type	Value	Significance
Meeker 5 W	United States	Record daily precipitation	142.2 mm (5.6 in)	75 of 100 (Major)
Puente Colgante	Mexico	Record high minimum temperature	26.7 C (80.1 F)	55 of 100 (Notable)
Lien I Selbu	Norway	Record daily precipitation	30.2 mm (1.2 in)	55 of 100 (Notable)
Fagerheden	Sweden	Record daily precipitation	46.8 mm (1.8 in)	54 of 100 (Notable)
South Johnstone Exp STN	Australia	Record daily precipitation	46.0 mm (1.8 in)	53 of 100 (Notable)
Alvsbyn_A	Sweden	Record daily precipitation	26.3 mm (1.0 in)	53 of 100 (Notable)
Hachinohe	Japan	Record daily precipitation	116.1 mm (4.6 in)	52 of 100 (Notable)
Oklahoma Cy Will Rogers World	United States	Record daily precipitation	97.0 mm (3.8 in)	51 of 100 (Notable)
Naalehu 14	United States	Record daily precipitation	81.3 mm (3.2 in)	50 of 100 (Notable)
Abbott	United States	Record daily precipitation	95.3 mm (3.8 in)	49 of 100 (Notable)
Borkum-Suderstrasse	Germany	Record daily precipitation	30.4 mm (1.2 in)	48 of 100 (Notable)
Sendai	Japan	Record daily precipitation	163.1 mm (6.4 in)	48 of 100 (Notable)
Tassa	Russia	Record daily precipitation	34.9 mm (1.4 in)	48 of 100 (Notable)
Helgoland	Germany	Record daily precipitation	34.7 mm (1.4 in)	46 of 100 (Notable)
Red Springs 1 SE	United States	Record daily precipitation	78.0 mm (3.1 in)	46 of 100 (Notable)
Liepaja	Latvia	Record daily precipitation	32.0 mm (1.3 in)	45 of 100 (Notable)
Waiakea Scd 88.2	United States	Record daily precipitation	111.8 mm (4.4 in)	45 of 100 (Notable)
Morioka	Japan	Record daily precipitation	97.0 mm (3.8 in)	44 of 100 (Notable)
Pahoa 65	United States	Record daily precipitation	58.7 mm (2.3 in)	44 of 100 (Notable)
Aomori	Japan	Record daily precipitation	96.0 mm (3.8 in)	43 of 100 (Notable)
Pedricea	Mexico	Record daily precipitation	35.3 mm (1.4 in)	43 of 100 (Notable)
Nes (Ameland)	Netherlands	Record daily precipitation	32.9 mm (1.3 in)	43 of 100 (Notable)
Waialua 847	United States	Record high minimum temperature	23.3 C (73.9 F)	43 of 100 (Notable)
Hambantota	Sri Lanka	Record high maximum temperature	34.4 C (93.9 F)	41 of 100 (Notable)
Caon Fernandez	Mexico	Record daily precipitation	36.8 mm (1.4 in)	41 of 100 (Notable)
Ezumazijl	Netherlands	Record daily precipitation	29.2 mm (1.1 in)	41 of 100 (Notable)
Papaikou 144.1	United States	Record daily precipitation	104.9 mm (4.1 in)	38 of 100 (Notable)
Langeoog	Germany	Record daily precipitation	29.8 mm (1.2 in)	37 of 100 (Notable)
Takada	Japan	Record daily precipitation	97.0 mm (3.8 in)	37 of 100 (Notable)
Ignacio Lopez Rayon	Mexico	Record low minimum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Bodie California St Historic P	United States	Record high minimum temperature	4.4 C (39.9 F)	37 of 100 (Notable)
Laguna	United States	Record daily precipitation	39.4 mm (1.6 in)	37 of 100 (Notable)
Hamlin 1SW	United States	Record daily precipitation	77.0 mm (3.0 in)	37 of 100 (Notable)
Harare (Kutsaga)	Zimbabwe	Record low maximum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Urakawa	Japan	Record daily precipitation	55.9 mm (2.2 in)	36 of 100 (Notable)
Tarboro 1 S	United States	Record low minimum temperature	5.0 C (41.0 F)	36 of 100 (Notable)
Wichita Mtn Wr	United States	Record daily precipitation	66.0 mm (2.6 in)	36 of 100 (Notable)
Melbourne Regional Office	Australia	Record high minimum temperature	16.3 C (61.3 F)	35 of 100 (Notable)
Graz	Austria	Record daily precipitation	42.0 mm (1.7 in)	35 of 100 (Notable)
Cordele	United States	Record high maximum temperature	36.1 C (97.0 F)	35 of 100 (Notable)
Independence	United States	Record daily precipitation	97.3 mm (3.8 in)	35 of 100 (Notable)
Muskogee	United States	Record daily precipitation	84.8 mm (3.3 in)	35 of 100 (Notable)
Esens	Germany	Record daily precipitation	28.7 mm (1.1 in)	34 of 100 (Routine)
Acaponeta	Mexico	Record low maximum temperature	24.4 C (75.9 F)	34 of 100 (Routine)
Nakhon Phanom	Thailand	Record daily precipitation	198.9 mm (7.8 in)	34 of 100 (Routine)
Montpelier Rs	United States	Record daily precipitation	28.4 mm (1.1 in)	34 of 100 (Routine)
El Palmito	Mexico	Record low maximum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Tg Jiu	Romania	Record low minimum temperature	1.7 C (35.1 F)	33 of 100 (Routine)
Gravette	United States	Record daily precipitation	65.3 mm (2.6 in)	33 of 100 (Routine)
Old Faithful	United States	Record high minimum temperature	3.9 C (39.0 F)	33 of 100 (Routine)
Pine Bluff Grider Fld	United States	Record daily precipitation	54.1 mm (2.1 in)	33 of 100 (Routine)
Schiermonnikoog	Netherlands	Record daily precipitation	26.0 mm (1.0 in)	32 of 100 (Routine)
Turnu Magurele	Romania	Record low minimum temperature	4.5 C (40.1 F)	32 of 100 (Routine)
Boswell 1 S	United States	Record daily precipitation	65.5 mm (2.6 in)	32 of 100 (Routine)
Dewar 2 NE	United States	Record daily precipitation	57.2 mm (2.3 in)	32 of 100 (Routine)
Okemah	United States	Record daily precipitation	33.5 mm (1.3 in)	32 of 100 (Routine)
Combolcha	Ethiopia	Record daily precipitation	39.9 mm (1.6 in)	31 of 100 (Routine)
Glenwood 4 NNE	United States	Record daily precipitation	83.8 mm (3.3 in)	31 of 100 (Routine)
Avon	United States	Record low maximum temperature	12.2 C (54.0 F)	31 of 100 (Routine)
Boulia Airport	Australia	Record high minimum temperature	21.2 C (70.2 F)	30 of 100 (Routine)

Counts by Type and Timescale

743 records

Records set or tied on 20 September 1990 by type: Highest daily maximum 91, Lowest daily maximum 110, Highest daily minimum 128, Lowest daily minimum 56, Heaviest daily rainfall 358.

Records on 20 September 1990 by type
Record type	Records
Highest daily maximum	91
Lowest daily maximum	110
Highest daily minimum	128
Lowest daily minimum	56
Heaviest daily rainfall	358
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 September 1990 by timescale: all-time 1, monthly 11, daily 731.

How Much Records Were Beaten By

606 broken records

Margins by which the 606 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 134.1. Ties are not counted.

Top 20 by Significance

20 September 1990

Top 20 records on 20 September 1990 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 1990	Meeker 5 W, US	daily rain	142.2 mm (5.6 in)	101.6 mm (4.0 in)	88 years	75 of 100 (Major)
20 September 1990	Puente Colgante, MX	daily high min	26.7 C (80.1 F)	4.5 C (8.1 F)	36 years	55 of 100 (Notable)
20 September 1990	Lien I Selbu, NO	daily rain	30.2 mm (1.2 in)	10.7 mm (0.4 in)	91 years	55 of 100 (Notable)
20 September 1990	Fagerheden, SE	daily rain	46.8 mm (1.8 in)	25.6 mm (1.0 in)	44 years	54 of 100 (Notable)
20 September 1990	South Johnstone Exp STN, AU	daily rain	46.0 mm (1.8 in)	28.5 mm (1.1 in)	64 years	53 of 100 (Notable)
20 September 1990	Alvsbyn_A, SE	daily rain	26.3 mm (1.0 in)	19.8 mm (0.8 in)	44 years	53 of 100 (Notable)
20 September 1990	Hachinohe, JP	daily rain	116.1 mm (4.6 in)	69.2 mm (2.7 in)	28 years	52 of 100 (Notable)
20 September 1990	Oklahoma Cy Will Rogers World, US	daily rain	97.0 mm (3.8 in)	81.0 mm (3.2 in)	25 years	51 of 100 (Notable)
20 September 1990	Naalehu 14, US	daily rain	81.3 mm (3.2 in)	69.6 mm (2.7 in)	8 years	50 of 100 (Notable)
20 September 1990	Abbott, US	daily rain	95.3 mm (3.8 in)	77.5 mm (3.1 in)	15 years	49 of 100 (Notable)
20 September 1990	Borkum-Suderstrasse, DE	daily rain	30.4 mm (1.2 in)	17.2 mm (0.7 in)	44 years	48 of 100 (Notable)
20 September 1990	Sendai, JP	daily rain	163.1 mm (6.4 in)	134.1 mm (5.3 in)	13 years	48 of 100 (Notable)
20 September 1990	Tassa, RU	daily rain	34.9 mm (1.4 in)	25.3 mm (1.0 in)	16 years	48 of 100 (Notable)
20 September 1990	Helgoland, DE	daily rain	34.7 mm (1.4 in)	19.0 mm (0.7 in)	36 years	46 of 100 (Notable)
20 September 1990	Red Springs 1 SE, US	daily rain	78.0 mm (3.1 in)	46.2 mm (1.8 in)	52 years	46 of 100 (Notable)
20 September 1990	Liepaja, LV	daily rain	32.0 mm (1.3 in)	8.6 mm (0.34 in)	68 years	45 of 100 (Notable)
20 September 1990	Waiakea Scd 88.2, US	daily rain	111.8 mm (4.4 in)	83.9 mm (3.3 in)	9 years	45 of 100 (Notable)
20 September 1990	Morioka, JP	daily rain	97.0 mm (3.8 in)	84.5 mm (3.3 in)	1 year	44 of 100 (Notable)
20 September 1990	Pahoa 65, US	daily rain	58.7 mm (2.3 in)	20.6 mm (0.8 in)	76 years	44 of 100 (Notable)
20 September 1990	Aomori, JP	daily rain	96.0 mm (3.8 in)	72.5 mm (2.9 in)	1 year	43 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

1812 to 1990

Records set or tied on this calendar date in each year from 1812 to 1990. 1990 had 743 records.

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

Records on 09-20 in each year
Year	Records
1812	1
1837	1
1840	1
1844	1
1848	2
1851	1
1852	1
1854	2
1855	1
1856	2
1859	2
1860	1
1862	1
1870	1
1871	2
1882	2
1883	1
1884	1
1886	2
1887	1
1888	2
1889	8
1891	4
1893	5
1894	1
1895	2
1896	1
1897	16
1898	4
1899	1
1900	2
1901	3
1902	3
1903	3
1904	12
1905	8
1906	22
1907	11
1908	24
1909	10
1910	8
1911	21
1912	34
1913	48
1914	28
1915	239
1916	28
1917	100
1918	59
1919	55
1920	64
1921	40
1922	52
1923	249
1924	329
1925	330
1926	129
1927	169
1928	144
1929	373
1930	102
1931	564
1932	270
1933	223
1934	349
1935	201
1936	133
1937	385
1938	506
1939	312
1940	591
1941	582
1942	436
1943	419
1944	466
1945	406
1946	766
1947	460
1948	454
1949	268
1950	435
1951	267
1952	434
1953	479
1954	628
1955	625
1956	985
1957	514
1958	410
1959	489
1960	352
1961	384
1962	707
1963	290
1964	482
1965	1,180
1966	414
1967	449
1968	617
1969	604
1970	591
1971	884
1972	582
1973	569
1974	771
1975	527
1976	375
1977	776
1978	1,216
1979	767
1980	567
1981	979
1982	911
1983	1,958
1984	895
1985	730
1986	743
1987	856
1988	698
1989	968
1990	743
1991	1,835
1992	718
1993	1,031
1994	788
1995	1,374
1996	1,077
1997	1,282
1998	1,157
1999	923
2000	908
2001	821
2002	845
2003	910
2004	1,156
2005	960
2006	732
2007	645
2008	648
2009	715
2010	1,497
2011	650
2012	549
2013	595
2014	577
2015	439
2016	778
2017	920
2018	1,020
2019	835
2020	630
2021	565
2022	786
2023	482
2024	596
2025	877
2026	682

Download the Data

Data for records on 1990-09-20: 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 2026-10-17 (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 20	562
20 to 40	24
40 to 60	10
60 to 80	5
80 to 100	3
100 to 120	1
120 to 140	1