Weather Records on 20 September 1958

410 weather records were set or tied worldwide on 20 September 1958. Highest significance: Grenada, US.

Key Facts for 20 September 1958

On 20 September 1958, 410 weather records were set or tied at long-record stations worldwide.
60 were record highs and 94 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 27 monthly and 383 daily.
Grenada set a monthly record daily precipitation of 179.1 mm (7.1 in) on 20 September 1958.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 442 records.

Record Map

410 stations

410 station records on 20 September 1958 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 1958: highest significance records shown on the map
Station	Country	Type	Value	Significance
Grenada	United States	Record daily precipitation	179.1 mm (7.1 in)	69 of 100 (Major)
Farmerville	United States	Record daily precipitation	148.3 mm (5.8 in)	66 of 100 (Major)
Sulphur Springs	United States	Record daily precipitation	111.3 mm (4.4 in)	62 of 100 (Major)
Nikolaevsk-Na-Amure	Russia	Record daily precipitation	46.4 mm (1.8 in)	61 of 100 (Major)
Bolivar Wtr Wks	United States	Record daily precipitation	161.8 mm (6.4 in)	60 of 100 (Major)
Selmer	United States	Record daily precipitation	110.5 mm (4.4 in)	51 of 100 (Notable)
Houston Wb City	United States	Record daily precipitation	67.6 mm (2.7 in)	51 of 100 (Notable)
Corinth 5 WSW	United States	Record daily precipitation	97.0 mm (3.8 in)	49 of 100 (Notable)
San Marcos	United States	Record daily precipitation	93.5 mm (3.7 in)	48 of 100 (Notable)
Ruston la Tech	United States	Record daily precipitation	129.8 mm (5.1 in)	47 of 100 (Notable)
Esplanada	Brazil	Record daily precipitation	62.6 mm (2.5 in)	45 of 100 (Notable)
Bastrop	United States	Record daily precipitation	94.0 mm (3.7 in)	45 of 100 (Notable)
Hondo	United States	Record daily precipitation	86.9 mm (3.4 in)	45 of 100 (Notable)
Seguin	United States	Record daily precipitation	133.4 mm (5.3 in)	45 of 100 (Notable)
Crockett	United States	Record daily precipitation	104.9 mm (4.1 in)	44 of 100 (Notable)
Novo Acre (Giqui)	Brazil	Record daily precipitation	45.0 mm (1.8 in)	43 of 100 (Notable)
Crossett 2 SSE	United States	Record daily precipitation	98.0 mm (3.9 in)	43 of 100 (Notable)
Anderson	United States	Record daily precipitation	95.8 mm (3.8 in)	42 of 100 (Notable)
Portland	United States	Record daily precipitation	81.3 mm (3.2 in)	40 of 100 (Notable)
Greenville 2 W	United States	Record daily precipitation	61.2 mm (2.4 in)	40 of 100 (Notable)
De Ridder	United States	Record daily precipitation	116.8 mm (4.6 in)	40 of 100 (Notable)
Cameron	United States	Record daily precipitation	80.0 mm (3.1 in)	40 of 100 (Notable)
Nacogdoches	United States	Record daily precipitation	122.7 mm (4.8 in)	40 of 100 (Notable)
Tallulah	United States	Record daily precipitation	100.1 mm (3.9 in)	39 of 100 (Notable)
University	United States	Record daily precipitation	88.4 mm (3.5 in)	39 of 100 (Notable)
Water Valley	United States	Record daily precipitation	114.3 mm (4.5 in)	39 of 100 (Notable)
Palmetto	United States	Record daily precipitation	59.7 mm (2.4 in)	39 of 100 (Notable)
Hagansport	United States	Record daily precipitation	93.0 mm (3.7 in)	38 of 100 (Notable)
Okolona	United States	Record daily precipitation	51.1 mm (2.0 in)	37 of 100 (Notable)
Dresden	United States	Record daily precipitation	63.0 mm (2.5 in)	37 of 100 (Notable)
Wilsons Promontory Lighthouse	Australia	Record daily precipitation	29.5 mm (1.2 in)	36 of 100 (Notable)
Corsicana	United States	Record daily precipitation	55.9 mm (2.2 in)	35 of 100 (Notable)
Nilakottai	India	Record daily precipitation	60.0 mm (2.4 in)	34 of 100 (Routine)
Georgetown	United States	Record daily precipitation	70.6 mm (2.8 in)	34 of 100 (Routine)
Aguas Belas	Brazil	Record daily precipitation	30.4 mm (1.2 in)	33 of 100 (Routine)
Tanakal(Tanakall)	India	Record daily precipitation	78.7 mm (3.1 in)	33 of 100 (Routine)
Hope 3 NE	United States	Record daily precipitation	74.4 mm (2.9 in)	33 of 100 (Routine)
White Cliffs	United States	Record daily precipitation	86.4 mm (3.4 in)	33 of 100 (Routine)
Logansport	United States	Record daily precipitation	86.4 mm (3.4 in)	33 of 100 (Routine)
Milan Exp STN	United States	Record daily precipitation	55.1 mm (2.2 in)	33 of 100 (Routine)
Atyrau	Kazakhstan	Record low maximum temperature	12.3 C (54.1 F)	32 of 100 (Routine)
Ashwood	United States	Record daily precipitation	51.1 mm (2.0 in)	32 of 100 (Routine)
Miami	United States	Record daily precipitation	81.3 mm (3.2 in)	32 of 100 (Routine)
Beito	Norway	Record daily precipitation	33.6 mm (1.3 in)	31 of 100 (Routine)
Pine Bluff	United States	Record daily precipitation	64.8 mm (2.6 in)	31 of 100 (Routine)
Minden	United States	Record daily precipitation	84.6 mm (3.3 in)	31 of 100 (Routine)
Pontotoc	United States	Record daily precipitation	49.0 mm (1.9 in)	31 of 100 (Routine)
Arthur City	United States	Record daily precipitation	52.1 mm (2.1 in)	31 of 100 (Routine)
Clarksville 2NE	United States	Record daily precipitation	64.0 mm (2.5 in)	31 of 100 (Routine)
Fischers Store	United States	Record daily precipitation	32.0 mm (1.3 in)	31 of 100 (Routine)
McKinney Muni AP	United States	Record daily precipitation	30.5 mm (1.2 in)	31 of 100 (Routine)
Clarendon	United States	Record daily precipitation	69.9 mm (2.8 in)	30 of 100 (Routine)
Calhoun 2 N	United States	Record daily precipitation	85.9 mm (3.4 in)	30 of 100 (Routine)
Bolton	United States	Record daily precipitation	88.9 mm (3.5 in)	30 of 100 (Routine)
Dickson	United States	Record daily precipitation	78.7 mm (3.1 in)	30 of 100 (Routine)
Moscow	United States	Record daily precipitation	104.1 mm (4.1 in)	30 of 100 (Routine)
Savannah 6 SW	United States	Record daily precipitation	97.3 mm (3.8 in)	30 of 100 (Routine)
Henderson	United States	Record daily precipitation	129.8 mm (5.1 in)	30 of 100 (Routine)
Riomedina	United States	Record daily precipitation	63.2 mm (2.5 in)	30 of 100 (Routine)
Traipu	Brazil	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)

Counts by Type and Timescale

410 records

Records set or tied on 20 September 1958 by type: Highest daily maximum 14, Lowest daily maximum 61, Highest daily minimum 46, Lowest daily minimum 33, Heaviest daily rainfall 256.

Records on 20 September 1958 by type
Record type	Records
Highest daily maximum	14
Lowest daily maximum	61
Highest daily minimum	46
Lowest daily minimum	33
Heaviest daily rainfall	256
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 September 1958 by timescale: all-time 0, monthly 27, daily 383.

How Much Records Were Beaten By

336 broken records

Margins by which the 336 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 131.1. Ties are not counted.

Top 20 by Significance

20 September 1958

Top 20 records on 20 September 1958 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 1958	Grenada, US	monthly rain	179.1 mm (7.1 in)	101.1 mm (4.0 in)	48 years	69 of 100 (Major)
20 September 1958	Farmerville, US	monthly rain	148.3 mm (5.8 in)	54.3 mm (2.1 in)	66 years	66 of 100 (Major)
20 September 1958	Sulphur Springs, US	daily rain	111.3 mm (4.4 in)	86.4 mm (3.4 in)	53 years	62 of 100 (Major)
20 September 1958	Nikolaevsk-Na-Amure, RU	daily rain	46.4 mm (1.8 in)	28.4 mm (1.1 in)	48 years	61 of 100 (Major)
20 September 1958	Bolivar Wtr Wks, US	monthly rain	161.8 mm (6.4 in)	62.7 mm (2.5 in)	22 years	60 of 100 (Major)
20 September 1958	Selmer, US	daily rain	110.5 mm (4.4 in)	103.6 mm (4.1 in)	28 years	51 of 100 (Notable)
20 September 1958	Houston Wb City, US	daily rain	67.6 mm (2.7 in)	39.9 mm (1.6 in)	74 years	51 of 100 (Notable)
20 September 1958	Corinth 5 WSW, US	daily rain	97.0 mm (3.8 in)	61.9 mm (2.4 in)	28 years	49 of 100 (Notable)
20 September 1958	San Marcos, US	daily rain	93.5 mm (3.7 in)	57.9 mm (2.3 in)	61 years	48 of 100 (Notable)
20 September 1958	Ruston la Tech, US	daily rain	129.8 mm (5.1 in)	80.8 mm (3.2 in)	11 years	47 of 100 (Notable)
20 September 1958	Esplanada, BR	monthly rain	62.6 mm (2.5 in)	20.1 mm (0.8 in)	12 years	45 of 100 (Notable)
20 September 1958	Bastrop, US	monthly rain	94.0 mm (3.7 in)	26.9 mm (1.1 in)	33 years	45 of 100 (Notable)
20 September 1958	Hondo, US	daily rain	86.9 mm (3.4 in)	61.5 mm (2.4 in)	40 years	45 of 100 (Notable)
20 September 1958	Seguin, US	daily rain	133.4 mm (5.3 in)	131.1 mm (5.2 in)	9 years	45 of 100 (Notable)
20 September 1958	Crockett, US	daily rain	104.9 mm (4.1 in)	70.6 mm (2.8 in)	16 years	44 of 100 (Notable)
20 September 1958	Novo Acre (Giqui), BR	daily rain	45.0 mm (1.8 in)	40.3 mm (1.6 in)	0 years	43 of 100 (Notable)
20 September 1958	Crossett 2 SSE, US	daily rain	98.0 mm (3.9 in)	56.9 mm (2.2 in)	11 years	43 of 100 (Notable)
20 September 1958	Anderson, US	daily rain	95.8 mm (3.8 in)	47.8 mm (1.9 in)	40 years	42 of 100 (Notable)
20 September 1958	Portland, US	daily rain	81.3 mm (3.2 in)	44.2 mm (1.7 in)	25 years	40 of 100 (Notable)
20 September 1958	Greenville 2 W, US	daily rain	61.2 mm (2.4 in)	33.3 mm (1.3 in)	25 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

1812 to 1958

Records set or tied on this calendar date in each year from 1812 to 1958. 1958 had 410 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 1958-09-20: 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	281
20 to 40	33
40 to 60	12
60 to 80	5
80 to 100	2
100 to 120	2
120 to 140	1