Weather Records on 4 September 1973

530 weather records were set or tied worldwide on 4 September 1973. Highest significance: Smithton (Grant Street), AU.

Key Facts for 4 September 1973

On 4 September 1973, 530 weather records were set or tied at long-record stations worldwide.
264 were record highs and 78 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 21 monthly and 509 daily.
Smithton (Grant Street) set a daily record precipitation of 42.7 mm (1.7 in) on 4 September 1973.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 451 records.

Record Map

530 stations

530 station records on 4 September 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 September 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Smithton (Grant Street)	Australia	Record daily precipitation	42.7 mm (1.7 in)	56 of 100 (Notable)
Zinapecuaro	Mexico	Record daily precipitation	46.0 mm (1.8 in)	54 of 100 (Notable)
Tobias Barreto	Brazil	Record daily precipitation	50.0 mm (2.0 in)	49 of 100 (Notable)
Huejotzingo	Mexico	Record daily precipitation	56.9 mm (2.2 in)	45 of 100 (Notable)
Wapello	United States	Record daily precipitation	61.5 mm (2.4 in)	41 of 100 (Notable)
Houston Wb City	United States	Record daily precipitation	58.9 mm (2.3 in)	41 of 100 (Notable)
Epping	United States	Record daily precipitation	39.6 mm (1.6 in)	39 of 100 (Notable)
Vik I Sogn III	Norway	Record daily precipitation	31.0 mm (1.2 in)	38 of 100 (Notable)
Memphis	United States	Record daily precipitation	69.1 mm (2.7 in)	38 of 100 (Notable)
N Bend SW Oregon Rgnl AP	United States	Record high maximum temperature	28.9 C (84.0 F)	38 of 100 (Notable)
Tunka	Russia	Record daily precipitation	30.1 mm (1.2 in)	37 of 100 (Notable)
Dubuque L&D 11	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Supply 1 E	United States	Record daily precipitation	63.5 mm (2.5 in)	36 of 100 (Notable)
Escanaba	United States	Record high minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Mathinna (Fingal Road)	Australia	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Watford City	United States	Record daily precipitation	45.7 mm (1.8 in)	35 of 100 (Notable)
Port Stanley	Canada	Record high maximum temperature	29.4 C (84.9 F)	34 of 100 (Routine)
Roosevelt 1 S	United States	Record low minimum temperature	11.7 C (53.1 F)	34 of 100 (Routine)
Meade	United States	Record daily precipitation	36.3 mm (1.4 in)	34 of 100 (Routine)
Lawrence	United States	Record high minimum temperature	22.2 C (72.0 F)	34 of 100 (Routine)
Rossarden (Aberfoyle)	Australia	Record daily precipitation	40.1 mm (1.6 in)	33 of 100 (Routine)
Regensburg	Germany	Record high maximum temperature	29.8 C (85.6 F)	33 of 100 (Routine)
Evart	United States	Record high maximum temperature	31.7 C (89.1 F)	33 of 100 (Routine)
Kremsmuenster	Austria	Record high maximum temperature	30.3 C (86.5 F)	32 of 100 (Routine)
Fruitland	United States	Record low minimum temperature	2.8 C (37.0 F)	32 of 100 (Routine)
Stillwater 2 W	United States	Record daily precipitation	77.7 mm (3.1 in)	32 of 100 (Routine)
Storrs	United States	Record high minimum temperature	21.1 C (70.0 F)	31 of 100 (Routine)
New Iberia AP - Acadiana Rgnl	United States	Record daily precipitation	46.5 mm (1.8 in)	31 of 100 (Routine)
Middletown 2 NW	United States	Record high minimum temperature	21.7 C (71.1 F)	31 of 100 (Routine)
Burdekin Shire Council	Australia	Record high minimum temperature	21.6 C (70.9 F)	30 of 100 (Routine)
Hafslo	Norway	Record daily precipitation	34.5 mm (1.4 in)	30 of 100 (Routine)
Malvern	United States	Record daily precipitation	68.6 mm (2.7 in)	30 of 100 (Routine)
Adams	United States	Record high minimum temperature	19.4 C (66.9 F)	30 of 100 (Routine)
Ann Arbor U of Mich	United States	Record high maximum temperature	33.3 C (91.9 F)	30 of 100 (Routine)
Samnanger	Norway	Record daily precipitation	59.9 mm (2.4 in)	29 of 100 (Routine)
Hammon 3 SSW	United States	Record daily precipitation	33.8 mm (1.3 in)	29 of 100 (Routine)
Cuautla (Smn)	Mexico	Record daily precipitation	49.3 mm (1.9 in)	28 of 100 (Routine)
Juchitan de Zaragoza	Mexico	Record daily precipitation	104.9 mm (4.1 in)	28 of 100 (Routine)
Grand Coteau	United States	Record low maximum temperature	24.4 C (75.9 F)	28 of 100 (Routine)
South Forest (Plummers Road)	Australia	Record daily precipitation	41.9 mm (1.6 in)	27 of 100 (Routine)
Kaiserslautern	Germany	Record high maximum temperature	31.0 C (87.8 F)	27 of 100 (Routine)
Saentis	Switzerland	Record high minimum temperature	9.0 C (48.2 F)	27 of 100 (Routine)
Havana	United States	Record daily precipitation	68.1 mm (2.7 in)	27 of 100 (Routine)
Ashland	United States	Record daily precipitation	50.8 mm (2.0 in)	27 of 100 (Routine)
Jackman	United States	Record daily precipitation	43.2 mm (1.7 in)	27 of 100 (Routine)
Gerald	United States	Record daily precipitation	94.0 mm (3.7 in)	27 of 100 (Routine)
Cuncas	Brazil	Record daily precipitation	37.8 mm (1.5 in)	26 of 100 (Routine)
Clinton #1	United States	Record high minimum temperature	22.2 C (72.0 F)	26 of 100 (Routine)
First Connecticut Lake	United States	Record high minimum temperature	17.2 C (63.0 F)	26 of 100 (Routine)
Gladwin	United States	Record high maximum temperature	34.4 C (93.9 F)	26 of 100 (Routine)
Gargett Post Office	Australia	Record daily precipitation	29.2 mm (1.1 in)	25 of 100 (Routine)
Churchill A	Canada	Record daily precipitation	27.4 mm (1.1 in)	25 of 100 (Routine)
Oberstdorf	Germany	Record high maximum temperature	28.0 C (82.4 F)	25 of 100 (Routine)
Isla Perez	Mexico	Record low minimum temperature	22.8 C (73.0 F)	25 of 100 (Routine)
Palestina (Smn)	Mexico	Record high maximum temperature	43.3 C (109.9 F)	25 of 100 (Routine)
Saint Anthony	United States	Record low maximum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
Franklin 3 NW	United States	Record low maximum temperature	25.0 C (77.0 F)	25 of 100 (Routine)
Lewiston	United States	Record high minimum temperature	20.0 C (68.0 F)	24 of 100 (Routine)
Beaver Is	United States	Record high minimum temperature	21.1 C (70.0 F)	24 of 100 (Routine)
Portsmouth-Sciotoville	United States	Record high maximum temperature	36.7 C (98.1 F)	24 of 100 (Routine)

Counts by Type and Timescale

530 records

Records set or tied on 4 September 1973 by type: Highest daily maximum 127, Lowest daily maximum 36, Highest daily minimum 137, Lowest daily minimum 42, Heaviest daily rainfall 188.

Records on 4 September 1973 by type
Record type	Records
Highest daily maximum	127
Lowest daily maximum	36
Highest daily minimum	137
Lowest daily minimum	42
Heaviest daily rainfall	188
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 September 1973 by timescale: all-time 0, monthly 21, daily 509.

How Much Records Were Beaten By

380 broken records

Margins by which the 380 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 52.1. Ties are not counted.

Top 20 by Significance

4 September 1973

Top 20 records on 4 September 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 1973	Smithton (Grant Street), AU	daily rain	42.7 mm (1.7 in)	23.9 mm (0.9 in)	40 years	56 of 100 (Notable)
4 September 1973	Zinapecuaro, MX	daily rain	46.0 mm (1.8 in)	26.4 mm (1.0 in)	36 years	54 of 100 (Notable)
4 September 1973	Tobias Barreto, BR	daily rain	50.0 mm (2.0 in)	43.2 mm (1.7 in)	12 years	49 of 100 (Notable)
4 September 1973	Huejotzingo, MX	daily rain	56.9 mm (2.2 in)	28.7 mm (1.1 in)	27 years	45 of 100 (Notable)
4 September 1973	Wapello, US	daily rain	61.5 mm (2.4 in)	45.8 mm (1.8 in)	20 years	41 of 100 (Notable)
4 September 1973	Houston Wb City, US	daily rain	58.9 mm (2.3 in)	40.1 mm (1.6 in)	36 years	41 of 100 (Notable)
4 September 1973	Epping, US	daily rain	39.6 mm (1.6 in)	21.8 mm (0.9 in)	22 years	39 of 100 (Notable)
4 September 1973	Vik I Sogn III, NO	daily rain	31.0 mm (1.2 in)	8.5 mm (0.33 in)	66 years	38 of 100 (Notable)
4 September 1973	Memphis, US	daily rain	69.1 mm (2.7 in)	52.1 mm (2.1 in)	20 years	38 of 100 (Notable)
4 September 1973	N Bend SW Oregon Rgnl AP, US	daily high max	28.9 C (84.0 F)	3.9 C (7.0 F)	66 years	38 of 100 (Notable)
4 September 1973	Tunka, RU	daily rain	30.1 mm (1.2 in)	16.6 mm (0.7 in)	12 years	37 of 100 (Notable)
4 September 1973	Dubuque L&D 11, US	daily rain	50.8 mm (2.0 in)	41.4 mm (1.6 in)	20 years	36 of 100 (Notable)
4 September 1973	Supply 1 E, US	daily rain	63.5 mm (2.5 in)	28.4 mm (1.1 in)	20 years	36 of 100 (Notable)
4 September 1973	Escanaba, US	daily high min	20.0 C (68.0 F)	0.6 C (1.1 F)	83 years	36 of 100 (Notable)
4 September 1973	Mathinna (Fingal Road), AU	daily rain	29.0 mm (1.1 in)	8.7 mm (0.34 in)	55 years	35 of 100 (Notable)
4 September 1973	Watford City, US	daily rain	45.7 mm (1.8 in)	19.0 mm (0.7 in)	22 years	35 of 100 (Notable)
4 September 1973	Port Stanley, CA	daily high max	29.4 C (84.9 F)	0.5 C (0.9 F)	78 years	34 of 100 (Routine)
4 September 1973	Roosevelt 1 S, US	daily low min	11.7 C (53.1 F)	2.7 C (4.9 F)	67 years	34 of 100 (Routine)
4 September 1973	Meade, US	daily rain	36.3 mm (1.4 in)	25.4 mm (1.0 in)	24 years	34 of 100 (Routine)
4 September 1973	Lawrence, US	daily high min	22.2 C (72.0 F)	2.2 C (4.0 F)	72 years	34 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 1973

Records set or tied on this calendar date in each year from 1802 to 1973. 1973 had 530 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 1973-09-04: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	320
10 to 20	38
20 to 30	14
30 to 40	2
40 to 50	4
50 to 60	2