Weather Records on 2 September 1973

1,148 weather records were set or tied worldwide on 2 September 1973. Highest significance: Bottineau, US.

Key Facts for 2 September 1973

On 2 September 1973, 1,148 weather records were set or tied at long-record stations worldwide.
281 were record highs and 311 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 47 monthly and 1,098 daily.
Bottineau set an all-time record daily precipitation of 127.8 mm (5.0 in) on 2 September 1973.
Across 167 earlier years (1797 to 2026) the same calendar date averaged 433 records.

Record Map

1,148 stations

1,148 station records on 2 September 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 2 September 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bottineau	United States	Record daily precipitation	127.8 mm (5.0 in)	67 of 100 (Major)
Eckman 2 SE	United States	Record daily precipitation	55.4 mm (2.2 in)	58 of 100 (Notable)
Napoleon	United States	Record daily precipitation	81.3 mm (3.2 in)	58 of 100 (Notable)
Riverton	United States	Record daily precipitation	38.1 mm (1.5 in)	57 of 100 (Notable)
Minot Exp STN	United States	Record daily precipitation	54.1 mm (2.1 in)	56 of 100 (Notable)
Ardmore 1 NW	United States	Record daily precipitation	44.2 mm (1.7 in)	56 of 100 (Notable)
Rochelle 7ENE	United States	Record daily precipitation	30.5 mm (1.2 in)	53 of 100 (Notable)
Santa Lucia	Brazil	Record daily precipitation	46.1 mm (1.8 in)	52 of 100 (Notable)
Nenzel 20 S	United States	Record daily precipitation	48.3 mm (1.9 in)	51 of 100 (Notable)
St Patricks River (Targa Farm)	Australia	Record daily precipitation	70.4 mm (2.8 in)	50 of 100 (Notable)
Mahnomen	United States	Record daily precipitation	88.9 mm (3.5 in)	50 of 100 (Notable)
Medina	United States	Record daily precipitation	62.7 mm (2.5 in)	50 of 100 (Notable)
Fazenda Conquista	Brazil	Record daily precipitation	37.2 mm (1.5 in)	49 of 100 (Notable)
Irara	Brazil	Record daily precipitation	33.3 mm (1.3 in)	49 of 100 (Notable)
Baker	United States	Record daily precipitation	64.0 mm (2.5 in)	48 of 100 (Notable)
Steele 4N	United States	Record daily precipitation	31.8 mm (1.3 in)	48 of 100 (Notable)
Casper 2 E	United States	Record daily precipitation	37.6 mm (1.5 in)	48 of 100 (Notable)
Matias Romero (Smn)	Mexico	Record daily precipitation	205.0 mm (8.1 in)	47 of 100 (Notable)
Pineview Dam	United States	Record daily precipitation	33.8 mm (1.3 in)	47 of 100 (Notable)
Santa Cruz Das Palmeiras	Brazil	Record daily precipitation	59.0 mm (2.3 in)	46 of 100 (Notable)
Pirassununga	Brazil	Record daily precipitation	57.5 mm (2.3 in)	46 of 100 (Notable)
Estancia	Brazil	Record daily precipitation	38.5 mm (1.5 in)	46 of 100 (Notable)
Amenia	United States	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Upham 3 N	United States	Record daily precipitation	48.5 mm (1.9 in)	46 of 100 (Notable)
Midwest	United States	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Ibitinga	Brazil	Record daily precipitation	56.8 mm (2.2 in)	45 of 100 (Notable)
Piratininga	Brazil	Record daily precipitation	57.9 mm (2.3 in)	45 of 100 (Notable)
Kakabeka Falls	Canada	Record daily precipitation	57.2 mm (2.3 in)	45 of 100 (Notable)
Grace	United States	Record daily precipitation	30.7 mm (1.2 in)	45 of 100 (Notable)
Timber Lake	United States	Record daily precipitation	31.2 mm (1.2 in)	45 of 100 (Notable)
Archerton	Australia	Record daily precipitation	97.8 mm (3.9 in)	44 of 100 (Notable)
Fazenda Cascata	Brazil	Record daily precipitation	42.0 mm (1.7 in)	44 of 100 (Notable)
Parsons 2 NW	United States	Record daily precipitation	153.9 mm (6.1 in)	44 of 100 (Notable)
Gillette 3SE	United States	Record daily precipitation	35.8 mm (1.4 in)	44 of 100 (Notable)
Terra Roxa	Brazil	Record daily precipitation	43.4 mm (1.7 in)	43 of 100 (Notable)
Usina Chibarro (Cpfl)	Brazil	Record daily precipitation	49.7 mm (2.0 in)	43 of 100 (Notable)
Plevna	United States	Record daily precipitation	76.2 mm (3.0 in)	43 of 100 (Notable)
Harrison	United States	Record daily precipitation	35.6 mm (1.4 in)	43 of 100 (Notable)
Mc Intosh 6 SE	United States	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Bingara (Keera)	Australia	Record daily precipitation	28.2 mm (1.1 in)	42 of 100 (Notable)
Warranooke (Glenorchy)	Australia	Record daily precipitation	25.7 mm (1.0 in)	42 of 100 (Notable)
Whitlands (Burder's Lane)	Australia	Record daily precipitation	86.4 mm (3.4 in)	42 of 100 (Notable)
Santa Rosa de Viterbo (Cmef)	Brazil	Record daily precipitation	40.2 mm (1.6 in)	42 of 100 (Notable)
Usina Amalia	Brazil	Record daily precipitation	51.4 mm (2.0 in)	42 of 100 (Notable)
Campo Alegre	Brazil	Record daily precipitation	49.3 mm (1.9 in)	42 of 100 (Notable)
Kent 5 E	United States	Record daily precipitation	36.1 mm (1.4 in)	42 of 100 (Notable)
Lewiston	United States	Record daily precipitation	25.7 mm (1.0 in)	42 of 100 (Notable)
Diversion Dam	United States	Record daily precipitation	31.8 mm (1.3 in)	42 of 100 (Notable)
Morro Agudo	Brazil	Record daily precipitation	57.0 mm (2.2 in)	41 of 100 (Notable)
Usina Do Lobo	Brazil	Record daily precipitation	47.3 mm (1.9 in)	41 of 100 (Notable)
Mc Cool Junction	United States	Record daily precipitation	76.2 mm (3.0 in)	41 of 100 (Notable)
Soldier Summit	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Kaycee	United States	Record low maximum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Usina Pinhal (Eloy Chaves)	Brazil	Record daily precipitation	35.6 mm (1.4 in)	40 of 100 (Notable)
Visconde de Rio Claro	Brazil	Record daily precipitation	48.1 mm (1.9 in)	40 of 100 (Notable)
Jau	Brazil	Record daily precipitation	43.5 mm (1.7 in)	40 of 100 (Notable)
Rangely 1E	United States	Record low maximum temperature	16.1 C (61.0 F)	40 of 100 (Notable)
Mildred	United States	Record daily precipitation	58.7 mm (2.3 in)	40 of 100 (Notable)
Aberdeen	United States	Record daily precipitation	39.6 mm (1.6 in)	40 of 100 (Notable)
Glenlyon	Australia	Record daily precipitation	34.3 mm (1.4 in)	39 of 100 (Notable)

Counts by Type and Timescale

1,148 records

Records set or tied on 2 September 1973 by type: Highest daily maximum 78, Lowest daily maximum 147, Highest daily minimum 203, Lowest daily minimum 164, Heaviest daily rainfall 553, Heaviest daily snowfall 3.

Records on 2 September 1973 by type
Record type	Records
Highest daily maximum	78
Lowest daily maximum	147
Highest daily minimum	203
Lowest daily minimum	164
Heaviest daily rainfall	553
Heaviest daily snowfall	3
Deepest snow cover	0

Records on 2 September 1973 by timescale: all-time 3, monthly 47, daily 1,098.

How Much Records Were Beaten By

952 broken records

Margins by which the 952 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 130.1. Ties are not counted.

Top 20 by Significance

2 September 1973

Top 20 records on 2 September 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
2 September 1973	Bottineau, US	all-time rain	127.8 mm (5.0 in)	26.2 mm (1.0 in)	5 years	67 of 100 (Major)
2 September 1973	Eckman 2 SE, US	daily rain	55.4 mm (2.2 in)	31.5 mm (1.2 in)	47 years	58 of 100 (Notable)
2 September 1973	Napoleon, US	monthly rain	81.3 mm (3.2 in)	28.0 mm (1.1 in)	2 years	58 of 100 (Notable)
2 September 1973	Riverton, US	daily rain	38.1 mm (1.5 in)	30.0 mm (1.2 in)	39 years	57 of 100 (Notable)
2 September 1973	Minot Exp STN, US	daily rain	54.1 mm (2.1 in)	41.9 mm (1.6 in)	36 years	56 of 100 (Notable)
2 September 1973	Ardmore 1 NW, US	daily rain	44.2 mm (1.7 in)	34.5 mm (1.4 in)	35 years	56 of 100 (Notable)
2 September 1973	Rochelle 7ENE, US	daily rain	30.5 mm (1.2 in)	22.9 mm (0.9 in)	38 years	53 of 100 (Notable)
2 September 1973	Santa Lucia, BR	daily rain	46.1 mm (1.8 in)	46.1 mm (1.8 in)	36 years	52 of 100 (Notable)
2 September 1973	Nenzel 20 S, US	daily rain	48.3 mm (1.9 in)	29.5 mm (1.2 in)	31 years	51 of 100 (Notable)
2 September 1973	St Patricks River (Targa Farm), AU	daily rain	70.4 mm (2.8 in)	45.0 mm (1.8 in)	19 years	50 of 100 (Notable)
2 September 1973	Mahnomen, US	daily rain	88.9 mm (3.5 in)	78.7 mm (3.1 in)	20 years	50 of 100 (Notable)
2 September 1973	Medina, US	monthly rain	62.7 mm (2.5 in)	11.9 mm (0.5 in)	67 years	50 of 100 (Notable)
2 September 1973	Fazenda Conquista, BR	daily rain	37.2 mm (1.5 in)	37.2 mm (1.5 in)	32 years	49 of 100 (Notable)
2 September 1973	Irara, BR	daily rain	33.3 mm (1.3 in)	19.6 mm (0.8 in)	34 years	49 of 100 (Notable)
2 September 1973	Baker, US	daily rain	64.0 mm (2.5 in)	50.0 mm (2.0 in)	10 years	48 of 100 (Notable)
2 September 1973	Steele 4N, US	daily rain	31.8 mm (1.3 in)	18.6 mm (0.7 in)	64 years	48 of 100 (Notable)
2 September 1973	Casper 2 E, US	daily rain	37.6 mm (1.5 in)	22.4 mm (0.9 in)	39 years	48 of 100 (Notable)
2 September 1973	Matias Romero (Smn), MX	daily rain	205.0 mm (8.1 in)	130.1 mm (5.1 in)	12 years	47 of 100 (Notable)
2 September 1973	Pineview Dam, US	daily rain	33.8 mm (1.3 in)	31.0 mm (1.2 in)	35 years	47 of 100 (Notable)
2 September 1973	Santa Cruz Das Palmeiras, BR	daily rain	59.0 mm (2.3 in)	55.3 mm (2.2 in)	12 years	46 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

1797 to 1973

Records set or tied on this calendar date in each year from 1797 to 1973. 1973 had 1,148 records.

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

Records on 09-02 in each year
Year	Records
1797	1
1800	1
1802	1
1808	1
1838	1
1841	1
1843	1
1850	1
1854	1
1855	1
1857	1
1860	3
1861	1
1864	1
1867	2
1869	2
1870	1
1871	2
1872	1
1875	1
1876	1
1877	3
1878	2
1879	1
1881	1
1883	1
1884	1
1885	4
1886	5
1888	1
1889	2
1890	5
1891	1
1892	5
1893	3
1894	4
1895	3
1896	4
1897	4
1898	8
1899	10
1900	3
1901	4
1902	5
1903	13
1904	6
1905	14
1906	25
1907	11
1908	58
1909	35
1910	13
1911	82
1912	37
1913	37
1914	16
1915	38
1916	26
1917	20
1918	31
1919	17
1920	39
1921	85
1922	46
1923	75
1924	212
1925	147
1926	215
1927	71
1928	203
1929	322
1930	194
1931	305
1932	473
1933	427
1934	537
1935	602
1936	391
1937	905
1938	376
1939	439
1940	224
1941	467
1942	389
1943	336
1944	353
1945	392
1946	635
1947	1,147
1948	431
1949	563
1950	745
1951	515
1952	698
1953	1,153
1954	721
1955	501
1956	440
1957	385
1958	348
1959	534
1960	448
1961	839
1962	318
1963	272
1964	679
1965	440
1966	362
1967	1,213
1968	493
1969	465
1970	553
1971	521
1972	743
1973	1,148
1974	1,294
1975	519
1976	835
1977	589
1978	484
1979	647
1980	697
1981	521
1982	672
1983	1,076
1984	598
1985	714
1986	860
1987	915
1988	1,284
1989	659
1990	675
1991	807
1992	1,117
1993	1,405
1994	1,291
1995	1,143
1996	604
1997	1,547
1998	1,263
1999	912
2000	1,931
2001	981
2002	805
2003	1,310
2004	679
2005	623
2006	1,238
2007	1,086
2008	1,229
2009	706
2010	1,081
2011	1,265
2012	885
2013	717
2014	650
2015	661
2016	621
2017	1,047
2018	473
2019	789
2020	701
2021	742
2022	991
2023	707
2024	923
2025	431
2026	866

Download the Data

Data for records on 1973-09-02: 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	847
20 to 40	83
40 to 60	19
60 to 80	1
80 to 100	0
100 to 120	1
120 to 140	1