Weather Records on 10 September 1973

559 weather records were set or tied worldwide on 10 September 1973. Highest significance: Manassa, US.

Key Facts for 10 September 1973

On 10 September 1973, 559 weather records were set or tied at long-record stations worldwide.
157 were record highs and 110 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 544 daily.
Manassa set a daily record precipitation of 31.0 mm (1.2 in) on 10 September 1973.
Across 166 earlier years (1812 to 2026) the same calendar date averaged 428 records.

Record Map

559 stations

559 station records on 10 September 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 September 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Manassa	United States	Record daily precipitation	31.0 mm (1.2 in)	62 of 100 (Major)
Propria	Brazil	Record daily precipitation	52.1 mm (2.1 in)	59 of 100 (Notable)
Frei Paulo	Brazil	Record daily precipitation	40.5 mm (1.6 in)	59 of 100 (Notable)
San Fidel 2 E	United States	Record daily precipitation	38.6 mm (1.5 in)	57 of 100 (Notable)
Milha	Brazil	Record daily precipitation	104.0 mm (4.1 in)	53 of 100 (Notable)
Farmington 4 NE	United States	Record daily precipitation	33.0 mm (1.3 in)	52 of 100 (Notable)
Porto da Folha	Brazil	Record daily precipitation	27.0 mm (1.1 in)	50 of 100 (Notable)
Kuujjuarapik A	Canada	Record daily precipitation	42.7 mm (1.7 in)	49 of 100 (Notable)
Los Alamos	United States	Record daily precipitation	47.2 mm (1.9 in)	49 of 100 (Notable)
Aquidaba	Brazil	Record daily precipitation	52.2 mm (2.1 in)	46 of 100 (Notable)
Porto Real Do Colegio	Brazil	Record daily precipitation	62.2 mm (2.4 in)	46 of 100 (Notable)
Kargopol	Russia	Record daily precipitation	36.6 mm (1.4 in)	46 of 100 (Notable)
Laranjeiras	Brazil	Record daily precipitation	39.4 mm (1.6 in)	45 of 100 (Notable)
Cimarron 4 SW	United States	Record daily precipitation	39.9 mm (1.6 in)	44 of 100 (Notable)
Jamieson	Australia	Record daily precipitation	29.2 mm (1.1 in)	43 of 100 (Notable)
Gatlinburg 2 SW	United States	Record daily precipitation	48.3 mm (1.9 in)	43 of 100 (Notable)
Franklin	United States	Record daily precipitation	58.7 mm (2.3 in)	41 of 100 (Notable)
Coliban Upper	Australia	Record daily precipitation	29.7 mm (1.2 in)	40 of 100 (Notable)
Japaratuba	Brazil	Record daily precipitation	47.0 mm (1.9 in)	40 of 100 (Notable)
Uruapan (Smn)	Mexico	Record daily precipitation	95.0 mm (3.7 in)	40 of 100 (Notable)
Piacabucu	Brazil	Record daily precipitation	66.0 mm (2.6 in)	39 of 100 (Notable)
Vallecito Dam	United States	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Aztec Ruins Nm	United States	Record low maximum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Bloomfield 3 SE	United States	Record daily precipitation	32.0 mm (1.3 in)	38 of 100 (Notable)
Kayenta	United States	Record low maximum temperature	14.4 C (57.9 F)	37 of 100 (Notable)
Matagorda #2	United States	Record daily precipitation	167.6 mm (6.6 in)	37 of 100 (Notable)
Gleneagle	Australia	Record daily precipitation	29.2 mm (1.1 in)	35 of 100 (Notable)
Bryn Euryn	Australia	Record daily precipitation	47.2 mm (1.9 in)	35 of 100 (Notable)
Lagarto	Brazil	Record daily precipitation	33.2 mm (1.3 in)	35 of 100 (Notable)
Fruitland	United States	Record low maximum temperature	21.1 C (70.0 F)	35 of 100 (Notable)
Tierra Amarilla 4 N	United States	Record daily precipitation	26.2 mm (1.0 in)	35 of 100 (Notable)
Las Vegas Muni AP	United States	Record daily precipitation	38.1 mm (1.5 in)	35 of 100 (Notable)
Ft Kent	United States	Record low maximum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Diversion Dam	United States	Record daily precipitation	49.3 mm (1.9 in)	34 of 100 (Routine)
Waterloo	Australia	Record daily precipitation	28.4 mm (1.1 in)	33 of 100 (Routine)
Hamel	Australia	Record daily precipitation	67.1 mm (2.6 in)	32 of 100 (Routine)
Jaroma	Australia	Record daily precipitation	27.4 mm (1.1 in)	32 of 100 (Routine)
Pearl	United States	Record daily precipitation	57.2 mm (2.3 in)	32 of 100 (Routine)
Nikolsk	Russia	Record daily precipitation	29.6 mm (1.2 in)	31 of 100 (Routine)
Lake Providence	United States	Record high minimum temperature	24.4 C (75.9 F)	31 of 100 (Routine)
Celina	United States	Record daily precipitation	25.7 mm (1.0 in)	31 of 100 (Routine)
Des Arc	United States	Record high minimum temperature	23.3 C (73.9 F)	30 of 100 (Routine)
Santa Paula	United States	Record high minimum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Tallapoosa 2 N	United States	Record high minimum temperature	22.2 C (72.0 F)	30 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record daily precipitation	33.4 mm (1.3 in)	29 of 100 (Routine)
Cortez	United States	Record low maximum temperature	18.3 C (64.9 F)	29 of 100 (Routine)
Sullivan	United States	Record daily precipitation	47.0 mm (1.9 in)	29 of 100 (Routine)
Augusta	United States	Record high minimum temperature	12.2 C (54.0 F)	29 of 100 (Routine)
Enka	United States	Record daily precipitation	74.4 mm (2.9 in)	29 of 100 (Routine)
C.A.E. Llera	Mexico	Record low maximum temperature	22.8 C (73.0 F)	28 of 100 (Routine)
Yorba Linda	United States	Record low maximum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
Ft Lewis	United States	Record low maximum temperature	11.1 C (52.0 F)	28 of 100 (Routine)
Jemez Springs	United States	Record low minimum temperature	4.4 C (39.9 F)	28 of 100 (Routine)
Ogdensburg 4 NE	United States	Record low minimum temperature	-0.6 C (30.9 F)	28 of 100 (Routine)
Jambin Post Office	Australia	Record daily precipitation	27.2 mm (1.1 in)	27 of 100 (Routine)
Viljujsk	Russia	Record high minimum temperature	10.2 C (50.4 F)	27 of 100 (Routine)
Julesburg	United States	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Amherst	United States	Record low minimum temperature	0.6 C (33.1 F)	27 of 100 (Routine)
Chacon	United States	Record daily precipitation	42.2 mm (1.7 in)	27 of 100 (Routine)
Valmora	United States	Record daily precipitation	26.2 mm (1.0 in)	27 of 100 (Routine)

Counts by Type and Timescale

559 records

Records set or tied on 10 September 1973 by type: Highest daily maximum 39, Lowest daily maximum 73, Highest daily minimum 118, Lowest daily minimum 37, Heaviest daily rainfall 292.

Records on 10 September 1973 by type
Record type	Records
Highest daily maximum	39
Lowest daily maximum	73
Highest daily minimum	118
Lowest daily minimum	37
Heaviest daily rainfall	292
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 10 September 1973 by timescale: all-time 0, monthly 15, daily 544.

How Much Records Were Beaten By

441 broken records

Margins by which the 441 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 85.3. Ties are not counted.

Top 20 by Significance

10 September 1973

Top 20 records on 10 September 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 September 1973	Manassa, US	daily rain	31.0 mm (1.2 in)	18.8 mm (0.7 in)	55 years	62 of 100 (Major)
10 September 1973	Propria, BR	daily rain	52.1 mm (2.1 in)	37.1 mm (1.5 in)	48 years	59 of 100 (Notable)
10 September 1973	Frei Paulo, BR	daily rain	40.5 mm (1.6 in)	31.6 mm (1.2 in)	44 years	59 of 100 (Notable)
10 September 1973	San Fidel 2 E, US	daily rain	38.6 mm (1.5 in)	31.2 mm (1.2 in)	40 years	57 of 100 (Notable)
10 September 1973	Milha, BR	daily rain	104.0 mm (4.1 in)	75.7 mm (3.0 in)	28 years	53 of 100 (Notable)
10 September 1973	Farmington 4 NE, US	daily rain	33.0 mm (1.3 in)	20.0 mm (0.8 in)	56 years	52 of 100 (Notable)
10 September 1973	Porto da Folha, BR	daily rain	27.0 mm (1.1 in)	15.3 mm (0.6 in)	32 years	50 of 100 (Notable)
10 September 1973	Kuujjuarapik A, CA	daily rain	42.7 mm (1.7 in)	23.6 mm (0.9 in)	18 years	49 of 100 (Notable)
10 September 1973	Los Alamos, US	daily rain	47.2 mm (1.9 in)	31.2 mm (1.2 in)	12 years	49 of 100 (Notable)
10 September 1973	Aquidaba, BR	daily rain	52.2 mm (2.1 in)	31.9 mm (1.3 in)	0 years	46 of 100 (Notable)
10 September 1973	Porto Real Do Colegio, BR	daily rain	62.2 mm (2.4 in)	42.1 mm (1.7 in)	0 years	46 of 100 (Notable)
10 September 1973	Kargopol, RU	daily rain	36.6 mm (1.4 in)	14.1 mm (0.6 in)	28 years	46 of 100 (Notable)
10 September 1973	Laranjeiras, BR	daily rain	39.4 mm (1.6 in)	28.0 mm (1.1 in)	27 years	45 of 100 (Notable)
10 September 1973	Cimarron 4 SW, US	daily rain	39.9 mm (1.6 in)	26.9 mm (1.1 in)	35 years	44 of 100 (Notable)
10 September 1973	Jamieson, AU	daily rain	29.2 mm (1.1 in)	14.0 mm (0.6 in)	67 years	43 of 100 (Notable)
10 September 1973	Gatlinburg 2 SW, US	daily rain	48.3 mm (1.9 in)	31.0 mm (1.2 in)	36 years	43 of 100 (Notable)
10 September 1973	Franklin, US	daily rain	58.7 mm (2.3 in)	38.4 mm (1.5 in)	27 years	41 of 100 (Notable)
10 September 1973	Coliban Upper, AU	daily rain	29.7 mm (1.2 in)	10.1 mm (0.4 in)	67 years	40 of 100 (Notable)
10 September 1973	Japaratuba, BR	daily rain	47.0 mm (1.9 in)	27.2 mm (1.1 in)	32 years	40 of 100 (Notable)
10 September 1973	Uruapan (Smn), MX	daily rain	95.0 mm (3.7 in)	41.7 mm (1.6 in)	34 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 1973

Records set or tied on this calendar date in each year from 1812 to 1973. 1973 had 559 records.

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

Records on 09-10 in each year
Year	Records
1812	1
1813	1
1814	2
1818	1
1838	2
1841	1
1846	1
1847	1
1848	1
1850	2
1854	3
1857	1
1858	1
1865	5
1868	1
1869	2
1871	1
1874	2
1875	1
1876	2
1878	1
1879	2
1880	3
1881	2
1883	3
1884	4
1885	2
1886	1
1887	1
1888	2
1889	3
1890	1
1891	3
1892	3
1893	2
1894	4
1895	3
1896	1
1897	7
1898	4
1899	10
1901	1
1902	10
1903	13
1904	5
1905	7
1906	23
1907	15
1908	15
1909	25
1910	26
1911	8
1912	62
1913	24
1914	43
1915	53
1916	15
1917	79
1918	33
1919	42
1920	132
1921	207
1922	78
1923	38
1924	335
1925	197
1926	68
1927	262
1928	109
1929	282
1930	161
1931	724
1932	258
1933	333
1934	247
1935	478
1936	336
1937	376
1938	369
1939	386
1940	410
1941	389
1942	271
1943	352
1944	470
1945	334
1946	295
1947	534
1948	432
1949	793
1950	394
1951	344
1952	476
1953	250
1954	271
1955	376
1956	834
1957	332
1958	435
1959	670
1960	376
1961	459
1962	798
1963	384
1964	710
1965	355
1966	330
1967	512
1968	846
1969	635
1970	582
1971	400
1972	477
1973	559
1974	522
1975	528
1976	1,041
1977	391
1978	883
1979	563
1980	716
1981	629
1982	687
1983	1,329
1984	824
1985	1,140
1986	960
1987	574
1988	783
1989	1,098
1990	782
1991	827
1992	745
1993	936
1994	816
1995	643
1996	1,003
1997	829
1998	1,832
1999	1,068
2000	1,088
2001	1,129
2002	1,298
2003	1,149
2004	652
2005	1,173
2006	1,110
2007	866
2008	975
2009	636
2010	1,273
2011	1,235
2012	793
2013	1,198
2014	894
2015	789
2016	1,085
2017	674
2018	1,030
2019	816
2020	2,105
2021	1,311
2022	633
2023	1,114
2024	933
2025	583
2026	832

Download the Data

Data for records on 1973-09-10: 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	412
20 to 40	24
40 to 60	3
60 to 80	1
80 to 100	1