Weather Records on 4 September 1951

404 weather records were set or tied worldwide on 4 September 1951. Highest significance: Nqamakwe (Tnk), ZA.

Key Facts for 4 September 1951

On 4 September 1951, 404 weather records were set or tied at long-record stations worldwide.
148 were record highs and 123 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 391 daily.
Nqamakwe (Tnk) set a daily record precipitation of 39.9 mm (1.6 in) on 4 September 1951.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 451 records.

Record Map

404 stations

404 station records on 4 September 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 September 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nqamakwe (Tnk)	South Africa	Record daily precipitation	39.9 mm (1.6 in)	49 of 100 (Notable)
Hay Springs	United States	Record daily precipitation	51.1 mm (2.0 in)	47 of 100 (Notable)
Lincoln 1 SE	United States	Record daily precipitation	83.1 mm (3.3 in)	41 of 100 (Notable)
Valdez WSO	United States	Record daily precipitation	78.7 mm (3.1 in)	41 of 100 (Notable)
Port Alfred	South Africa	Record daily precipitation	31.5 mm (1.2 in)	40 of 100 (Notable)
Lamar	United States	Record daily precipitation	49.8 mm (2.0 in)	40 of 100 (Notable)
Osage City	United States	Record daily precipitation	64.0 mm (2.5 in)	40 of 100 (Notable)
Powers Lake 1N	United States	Record daily precipitation	40.1 mm (1.6 in)	40 of 100 (Notable)
Mount Coke (Bos)	South Africa	Record daily precipitation	50.8 mm (2.0 in)	39 of 100 (Notable)
Lawrence	United States	Record daily precipitation	71.1 mm (2.8 in)	39 of 100 (Notable)
Adoni	India	Record daily precipitation	61.0 mm (2.4 in)	37 of 100 (Notable)
Monroe 2 SE	United States	Record daily precipitation	57.4 mm (2.3 in)	37 of 100 (Notable)
Crosby	United States	Record daily precipitation	37.6 mm (1.5 in)	36 of 100 (Notable)
Longvale	South Africa	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Eskridge	United States	Record daily precipitation	71.6 mm (2.8 in)	33 of 100 (Routine)
Ottawa	United States	Record daily precipitation	55.1 mm (2.2 in)	33 of 100 (Routine)
Ashley	United States	Record daily precipitation	32.3 mm (1.3 in)	33 of 100 (Routine)
Hopewell	South Africa	Record daily precipitation	45.0 mm (1.8 in)	32 of 100 (Routine)
Napoopoo 28	United States	Record low maximum temperature	22.2 C (72.0 F)	32 of 100 (Routine)
Bhagaon Bhogaon	India	Record daily precipitation	53.8 mm (2.1 in)	31 of 100 (Routine)
San Diego de la Union	Mexico	Record daily precipitation	34.8 mm (1.4 in)	31 of 100 (Routine)
Leola	United States	Record daily precipitation	35.6 mm (1.4 in)	31 of 100 (Routine)
Concordia	United States	Record daily precipitation	54.6 mm (2.1 in)	30 of 100 (Routine)
Hubbard	Canada	Record daily precipitation	26.2 mm (1.0 in)	29 of 100 (Routine)
Harrisonville	United States	Record daily precipitation	72.4 mm (2.9 in)	29 of 100 (Routine)
Alton 1 W	United States	Record daily precipitation	53.3 mm (2.1 in)	28 of 100 (Routine)
Gooty	India	Record daily precipitation	33.0 mm (1.3 in)	27 of 100 (Routine)
Tatarsk	Russia	Record low minimum temperature	-3.5 C (25.7 F)	27 of 100 (Routine)
Paola	United States	Record daily precipitation	63.8 mm (2.5 in)	27 of 100 (Routine)
Watford City	United States	Record daily precipitation	26.7 mm (1.1 in)	27 of 100 (Routine)
St John's	Canada	Record daily precipitation	45.5 mm (1.8 in)	26 of 100 (Routine)
Olathe 3E	United States	Record daily precipitation	50.8 mm (2.0 in)	26 of 100 (Routine)
Nome AP	United States	Record high maximum temperature	17.2 C (63.0 F)	26 of 100 (Routine)
Kazan	Russia	Record high maximum temperature	32.3 C (90.1 F)	25 of 100 (Routine)
Barabinsk	Russia	Record low minimum temperature	-3.5 C (25.7 F)	25 of 100 (Routine)
Komga (Pol)	South Africa	Record daily precipitation	34.5 mm (1.4 in)	25 of 100 (Routine)
Abilene	United States	Record daily precipitation	37.1 mm (1.5 in)	25 of 100 (Routine)
Lexington 3E	United States	Record low maximum temperature	19.4 C (66.9 F)	25 of 100 (Routine)
Yemmiganur	India	Record daily precipitation	36.8 mm (1.4 in)	24 of 100 (Routine)
Jamkhandi	India	Record daily precipitation	29.2 mm (1.1 in)	24 of 100 (Routine)
Ust Tzilma	Russia	Record high maximum temperature	24.1 C (75.4 F)	24 of 100 (Routine)
Kurgan	Russia	Record low minimum temperature	-2.7 C (27.1 F)	24 of 100 (Routine)
Umzonia (Rsv)	South Africa	Record daily precipitation	120.1 mm (4.7 in)	24 of 100 (Routine)
Council Grove	United States	Record daily precipitation	42.7 mm (1.7 in)	24 of 100 (Routine)
Jefferson City Wtp	United States	Record low maximum temperature	19.4 C (66.9 F)	24 of 100 (Routine)
Horton	United States	Record low maximum temperature	20.6 C (69.1 F)	23 of 100 (Routine)
Lake Providence	United States	Record high minimum temperature	24.4 C (75.9 F)	23 of 100 (Routine)
Fulton	United States	Record low maximum temperature	19.4 C (66.9 F)	23 of 100 (Routine)
Genoa 2 W	United States	Record low maximum temperature	18.9 C (66.0 F)	23 of 100 (Routine)
Corsicana	United States	Record high maximum temperature	41.1 C (106.0 F)	23 of 100 (Routine)
Terrace	Canada	Record high maximum temperature	32.8 C (91.0 F)	22 of 100 (Routine)
Uralsk	Kazakhstan	Record high maximum temperature	35.2 C (95.4 F)	22 of 100 (Routine)
Poretskoye	Russia	Record high maximum temperature	30.8 C (87.4 F)	22 of 100 (Routine)
Harnosand	Sweden	Record high minimum temperature	13.1 C (55.6 F)	22 of 100 (Routine)
Umea	Sweden	Record high minimum temperature	14.0 C (57.2 F)	22 of 100 (Routine)
Oneonta	United States	Record high maximum temperature	36.1 C (97.0 F)	22 of 100 (Routine)
Bethany	United States	Record low maximum temperature	20.0 C (68.0 F)	22 of 100 (Routine)
Brunswick	United States	Record low maximum temperature	20.0 C (68.0 F)	22 of 100 (Routine)
Mt Vernon 3 SW	United States	Record daily precipitation	29.0 mm (1.1 in)	22 of 100 (Routine)
Fullerton 1 ESE	United States	Record daily precipitation	28.4 mm (1.1 in)	22 of 100 (Routine)

Counts by Type and Timescale

404 records

Records set or tied on 4 September 1951 by type: Highest daily maximum 95, Lowest daily maximum 92, Highest daily minimum 53, Lowest daily minimum 31, Heaviest daily rainfall 133.

Records on 4 September 1951 by type
Record type	Records
Highest daily maximum	95
Lowest daily maximum	92
Highest daily minimum	53
Lowest daily minimum	31
Heaviest daily rainfall	133
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 September 1951 by timescale: all-time 0, monthly 13, daily 391.

How Much Records Were Beaten By

308 broken records

Margins by which the 308 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 57.2. Ties are not counted.

Top 20 by Significance

4 September 1951

Top 20 records on 4 September 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 1951	Nqamakwe (Tnk), ZA	daily rain	39.9 mm (1.6 in)	30.8 mm (1.2 in)	24 years	49 of 100 (Notable)
4 September 1951	Hay Springs, US	daily rain	51.1 mm (2.0 in)	38.4 mm (1.5 in)	6 years	47 of 100 (Notable)
4 September 1951	Lincoln 1 SE, US	daily rain	83.1 mm (3.3 in)	57.2 mm (2.3 in)	14 years	41 of 100 (Notable)
4 September 1951	Valdez WSO, US	daily rain	78.7 mm (3.1 in)	49.2 mm (1.9 in)	20 years	41 of 100 (Notable)
4 September 1951	Port Alfred, ZA	daily rain	31.5 mm (1.2 in)	22.4 mm (0.9 in)	49 years	40 of 100 (Notable)
4 September 1951	Lamar, US	daily rain	49.8 mm (2.0 in)	21.9 mm (0.9 in)	44 years	40 of 100 (Notable)
4 September 1951	Osage City, US	daily rain	64.0 mm (2.5 in)	34.3 mm (1.4 in)	52 years	40 of 100 (Notable)
4 September 1951	Powers Lake 1N, US	daily rain	40.1 mm (1.6 in)	35.8 mm (1.4 in)	9 years	40 of 100 (Notable)
4 September 1951	Mount Coke (Bos), ZA	daily rain	50.8 mm (2.0 in)	35.6 mm (1.4 in)	24 years	39 of 100 (Notable)
4 September 1951	Lawrence, US	daily rain	71.1 mm (2.8 in)	38.6 mm (1.5 in)	32 years	39 of 100 (Notable)
4 September 1951	Adoni, IN	daily rain	61.0 mm (2.4 in)	42.5 mm (1.7 in)	44 years	37 of 100 (Notable)
4 September 1951	Monroe 2 SE, US	daily rain	57.4 mm (2.3 in)	30.2 mm (1.2 in)	52 years	37 of 100 (Notable)
4 September 1951	Crosby, US	daily rain	37.6 mm (1.5 in)	13.0 mm (0.5 in)	40 years	36 of 100 (Notable)
4 September 1951	Longvale, ZA	daily rain	44.5 mm (1.8 in)	34.6 mm (1.4 in)	13 years	35 of 100 (Notable)
4 September 1951	Eskridge, US	daily rain	71.6 mm (2.8 in)	32.0 mm (1.3 in)	24 years	33 of 100 (Routine)
4 September 1951	Ottawa, US	daily rain	55.1 mm (2.2 in)	32.5 mm (1.3 in)	32 years	33 of 100 (Routine)
4 September 1951	Ashley, US	daily rain	32.3 mm (1.3 in)	17.3 mm (0.7 in)	28 years	33 of 100 (Routine)
4 September 1951	Hopewell, ZA	daily rain	45.0 mm (1.8 in)	26.7 mm (1.1 in)	24 years	32 of 100 (Routine)
4 September 1951	Napoopoo 28, US	monthly low max	22.2 C (72.0 F)	1.7 C (3.1 F)	24 years	32 of 100 (Routine)
4 September 1951	Bhagaon Bhogaon, IN	daily rain	53.8 mm (2.1 in)	26.1 mm (1.0 in)	48 years	31 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

1802 to 1951

Records set or tied on this calendar date in each year from 1802 to 1951. 1951 had 404 records.

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

Records on 09-04 in each year
Year	Records
1802	1
1805	1
1823	1
1833	1
1837	1
1839	1
1845	1
1847	1
1850	1
1854	1
1856	1
1857	1
1858	1
1861	1
1863	1
1864	1
1867	1
1868	1
1869	2
1871	1
1872	4
1874	1
1875	1
1877	1
1880	4
1881	1
1883	2
1885	3
1887	1
1888	2
1889	1
1890	1
1891	5
1894	4
1895	6
1896	1
1897	4
1898	9
1899	4
1900	1
1901	4
1902	4
1903	2
1904	7
1905	18
1906	16
1907	22
1908	9
1909	23
1910	91
1911	25
1912	29
1913	29
1914	19
1915	37
1916	24
1917	40
1918	96
1919	48
1920	105
1921	105
1922	62
1923	325
1924	167
1925	339
1926	256
1927	68
1928	341
1929	371
1930	102
1931	477
1932	429
1933	424
1934	393
1935	514
1936	309
1937	411
1938	236
1939	434
1940	287
1941	528
1942	323
1943	472
1944	341
1945	542
1946	431
1947	618
1948	409
1949	370
1950	642
1951	404
1952	645
1953	869
1954	372
1955	465
1956	586
1957	250
1958	384
1959	316
1960	552
1961	909
1962	733
1963	443
1964	507
1965	611
1966	428
1967	786
1968	546
1969	510
1970	644
1971	717
1972	513
1973	530
1974	2,279
1975	432
1976	582
1977	386
1978	940
1979	461
1980	355
1981	582
1982	617
1983	1,040
1984	1,107
1985	915
1986	663
1987	685
1988	1,259
1989	681
1990	787
1991	708
1992	1,132
1993	859
1994	1,001
1995	1,287
1996	907
1997	1,452
1998	1,564
1999	1,479
2000	1,336
2001	833
2002	767
2003	1,094
2004	898
2005	998
2006	1,268
2007	1,077
2008	1,335
2009	914
2010	1,804
2011	1,310
2012	1,209
2013	630
2014	461
2015	893
2016	597
2017	881
2018	758
2019	616
2020	957
2021	544
2022	1,256
2023	1,290
2024	985
2025	635
2026	1,222

Download the Data

Data for records on 1951-09-04: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Histogram of margins by which records were beaten on 4 September 1951
Margin	Records
0 to 10	252
10 to 20	30
20 to 30	11
30 to 40	12
40 to 50	2
50 to 60	1