Weather Records on 2 October 1973

538 weather records were set or tied worldwide on 2 October 1973. Highest significance: Sao Rafael, BR.

Key Facts for 2 October 1973

On 2 October 1973, 538 weather records were set or tied at long-record stations worldwide.
91 were record highs and 128 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 42 monthly and 496 daily.
Sao Rafael set a monthly record daily precipitation of 43.0 mm (1.7 in) on 2 October 1973.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 447 records.

Record Map

538 stations

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

Weather records on 2 October 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sao Rafael	Brazil	Record daily precipitation	43.0 mm (1.7 in)	70 of 100 (Major)
Uniao Dos Palmares	Brazil	Record daily precipitation	95.0 mm (3.7 in)	66 of 100 (Major)
Pocinhos (Joffily)	Brazil	Record daily precipitation	30.2 mm (1.2 in)	65 of 100 (Major)
Chilo Meldahl Locks & Dam	United States	Record daily precipitation	43.2 mm (1.7 in)	59 of 100 (Notable)
Inga	Brazil	Record daily precipitation	26.8 mm (1.1 in)	58 of 100 (Notable)
Aquidaba	Brazil	Record daily precipitation	93.0 mm (3.7 in)	58 of 100 (Notable)
Meruoca	Brazil	Record daily precipitation	35.6 mm (1.4 in)	57 of 100 (Notable)
Umari	Brazil	Record daily precipitation	35.0 mm (1.4 in)	57 of 100 (Notable)
Petrolina	Brazil	Record daily precipitation	32.0 mm (1.3 in)	56 of 100 (Notable)
Santana Do Matos	Brazil	Record daily precipitation	90.0 mm (3.5 in)	56 of 100 (Notable)
Catingueira (Juca)	Brazil	Record daily precipitation	54.0 mm (2.1 in)	56 of 100 (Notable)
Alagoa Nova (Laranjeiras)	Brazil	Record daily precipitation	66.0 mm (2.6 in)	56 of 100 (Notable)
Bom Jardim	Brazil	Record daily precipitation	68.2 mm (2.7 in)	56 of 100 (Notable)
Clermont-Ferrand	France	Record daily precipitation	49.8 mm (2.0 in)	56 of 100 (Notable)
Pau Ferro	Brazil	Record daily precipitation	79.4 mm (3.1 in)	55 of 100 (Notable)
Malhada Real	Brazil	Record daily precipitation	42.2 mm (1.7 in)	55 of 100 (Notable)
Marseilles-Marignane	France	Record daily precipitation	161.3 mm (6.4 in)	54 of 100 (Notable)
Caraubas (Caraibeiras)	Brazil	Record daily precipitation	43.6 mm (1.7 in)	53 of 100 (Notable)
Semijarka	Kazakhstan	Record daily precipitation	39.6 mm (1.6 in)	53 of 100 (Notable)
Pao de Acucar	Brazil	Record daily precipitation	33.0 mm (1.3 in)	52 of 100 (Notable)
Hidrolandia (Batoque)	Brazil	Record daily precipitation	37.5 mm (1.5 in)	52 of 100 (Notable)
Sao Jose Do Egito	Brazil	Record daily precipitation	42.0 mm (1.7 in)	52 of 100 (Notable)
Limoeiro de Anadia	Brazil	Record daily precipitation	51.2 mm (2.0 in)	52 of 100 (Notable)
Porto Real Do Colegio	Brazil	Record daily precipitation	85.2 mm (3.4 in)	52 of 100 (Notable)
Penedo	Brazil	Record daily precipitation	60.0 mm (2.4 in)	51 of 100 (Notable)
Bom Conselho	Brazil	Record daily precipitation	62.6 mm (2.5 in)	51 of 100 (Notable)
Morris River	United States	Record daily precipitation	47.8 mm (1.9 in)	51 of 100 (Notable)
Itapicuru	Brazil	Record daily precipitation	69.2 mm (2.7 in)	50 of 100 (Notable)
Mae Dagua de Dentro	Brazil	Record daily precipitation	35.4 mm (1.4 in)	50 of 100 (Notable)
Sao Jose Do Belmonte	Brazil	Record daily precipitation	40.2 mm (1.6 in)	50 of 100 (Notable)
Hesperia 4 WNW	United States	Record daily precipitation	52.1 mm (2.1 in)	50 of 100 (Notable)
Rogersville 1 NE	United States	Record daily precipitation	39.6 mm (1.6 in)	50 of 100 (Notable)
Bedford	United States	Record daily precipitation	66.0 mm (2.6 in)	50 of 100 (Notable)
S. Goncalo	Brazil	Record daily precipitation	46.6 mm (1.8 in)	48 of 100 (Notable)
Alagoinhas (Vfflb)	Brazil	Record daily precipitation	48.2 mm (1.9 in)	47 of 100 (Notable)
Marseille Obs. Palais-Lonchamp	France	Record daily precipitation	140.0 mm (5.5 in)	46 of 100 (Notable)
Nelkan	Russia	Record daily precipitation	30.7 mm (1.2 in)	46 of 100 (Notable)
Moorhead	United States	Record daily precipitation	67.8 mm (2.7 in)	46 of 100 (Notable)
Arizona	Brazil	Record daily precipitation	30.4 mm (1.2 in)	45 of 100 (Notable)
Morpara	Brazil	Record daily precipitation	107.0 mm (4.2 in)	44 of 100 (Notable)
Montebello Seigniory	Canada	Record daily precipitation	48.0 mm (1.9 in)	44 of 100 (Notable)
Cabaceiras	Brazil	Record daily precipitation	25.0 mm (1.0 in)	43 of 100 (Notable)
Estancia	Brazil	Record daily precipitation	98.0 mm (3.9 in)	43 of 100 (Notable)
Great Falls	United States	Record daily precipitation	83.3 mm (3.3 in)	43 of 100 (Notable)
Juazeiro (Pcd)	Brazil	Record daily precipitation	30.0 mm (1.2 in)	42 of 100 (Notable)
Acude Malhada Vermelha	Brazil	Record daily precipitation	45.2 mm (1.8 in)	42 of 100 (Notable)
Caipu	Brazil	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Acude Coremas	Brazil	Record daily precipitation	62.6 mm (2.5 in)	42 of 100 (Notable)
Fazenda Malhada da Areia	Brazil	Record daily precipitation	27.1 mm (1.1 in)	42 of 100 (Notable)
Campo Largo	Brazil	Record daily precipitation	56.4 mm (2.2 in)	42 of 100 (Notable)
Irara	Brazil	Record daily precipitation	35.2 mm (1.4 in)	42 of 100 (Notable)
Dayton Mcd	United States	Record daily precipitation	31.8 mm (1.3 in)	42 of 100 (Notable)
Sume (Sao Tome)	Brazil	Record daily precipitation	69.5 mm (2.7 in)	41 of 100 (Notable)
Ajan	Russia	Record daily precipitation	60.9 mm (2.4 in)	41 of 100 (Notable)
Franklin	United States	Record daily precipitation	45.7 mm (1.8 in)	41 of 100 (Notable)
Miamisburg	United States	Record daily precipitation	41.1 mm (1.6 in)	41 of 100 (Notable)
Juremal (Jurema)	Brazil	Record daily precipitation	50.0 mm (2.0 in)	40 of 100 (Notable)
Nebo	South Africa	Record daily precipitation	68.0 mm (2.7 in)	40 of 100 (Notable)
Minnedosa	Canada	Record daily precipitation	36.6 mm (1.4 in)	38 of 100 (Notable)
Cambridge Water Trmt P	United States	Record daily precipitation	74.4 mm (2.9 in)	38 of 100 (Notable)

Counts by Type and Timescale

538 records

Records set or tied on 2 October 1973 by type: Highest daily maximum 45, Lowest daily maximum 54, Highest daily minimum 46, Lowest daily minimum 74, Heaviest daily rainfall 318, Heaviest daily snowfall 1.

Records on 2 October 1973 by type
Record type	Records
Highest daily maximum	45
Lowest daily maximum	54
Highest daily minimum	46
Lowest daily minimum	74
Heaviest daily rainfall	318
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 2 October 1973 by timescale: all-time 0, monthly 42, daily 496.

How Much Records Were Beaten By

457 broken records

Margins by which the 457 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 79.4. Ties are not counted.

Top 20 by Significance

2 October 1973

Top 20 records on 2 October 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
2 October 1973	Sao Rafael, BR	monthly rain	43.0 mm (1.7 in)	43.0 mm (1.7 in)	50 years	70 of 100 (Major)
2 October 1973	Uniao Dos Palmares, BR	monthly rain	95.0 mm (3.7 in)	57.5 mm (2.3 in)	33 years	66 of 100 (Major)
2 October 1973	Pocinhos (Joffily), BR	monthly rain	30.2 mm (1.2 in)	15.2 mm (0.6 in)	33 years	65 of 100 (Major)
2 October 1973	Chilo Meldahl Locks & Dam, US	daily rain	43.2 mm (1.7 in)	35.8 mm (1.4 in)	48 years	59 of 100 (Notable)
2 October 1973	Inga, BR	daily rain	26.8 mm (1.1 in)	19.5 mm (0.8 in)	40 years	58 of 100 (Notable)
2 October 1973	Aquidaba, BR	monthly rain	93.0 mm (3.7 in)	26.5 mm (1.0 in)	51 years	58 of 100 (Notable)
2 October 1973	Meruoca, BR	daily rain	35.6 mm (1.4 in)	34.5 mm (1.4 in)	38 years	57 of 100 (Notable)
2 October 1973	Umari, BR	daily rain	35.0 mm (1.4 in)	35.0 mm (1.4 in)	60 years	57 of 100 (Notable)
2 October 1973	Petrolina, BR	daily rain	32.0 mm (1.3 in)	32.0 mm (1.3 in)	62 years	56 of 100 (Notable)
2 October 1973	Santana Do Matos, BR	monthly rain	90.0 mm (3.5 in)	25.0 mm (1.0 in)	51 years	56 of 100 (Notable)
2 October 1973	Catingueira (Juca), BR	daily rain	54.0 mm (2.1 in)	54.0 mm (2.1 in)	40 years	56 of 100 (Notable)
2 October 1973	Alagoa Nova (Laranjeiras), BR	monthly rain	66.0 mm (2.6 in)	18.5 mm (0.7 in)	33 years	56 of 100 (Notable)
2 October 1973	Bom Jardim, BR	daily rain	68.2 mm (2.7 in)	34.1 mm (1.3 in)	54 years	56 of 100 (Notable)
2 October 1973	Clermont-Ferrand, FR	daily rain	49.8 mm (2.0 in)	34.2 mm (1.3 in)	39 years	56 of 100 (Notable)
2 October 1973	Pau Ferro, BR	daily rain	79.4 mm (3.1 in)	79.4 mm (3.1 in)	39 years	55 of 100 (Notable)
2 October 1973	Malhada Real, BR	daily rain	42.2 mm (1.7 in)	42.2 mm (1.7 in)	38 years	55 of 100 (Notable)
2 October 1973	Marseilles-Marignane, FR	monthly rain	161.3 mm (6.4 in)	56.6 mm (2.2 in)	0 years	54 of 100 (Notable)
2 October 1973	Caraubas (Caraibeiras), BR	daily rain	43.6 mm (1.7 in)	43.5 mm (1.7 in)	32 years	53 of 100 (Notable)
2 October 1973	Semijarka, KZ	monthly rain	39.6 mm (1.6 in)	18.5 mm (0.7 in)	2 years	53 of 100 (Notable)
2 October 1973	Pao de Acucar, BR	daily rain	33.0 mm (1.3 in)	31.1 mm (1.2 in)	30 years	52 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

1814 to 1973

Records set or tied on this calendar date in each year from 1814 to 1973. 1973 had 538 records.

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

Records on 10-02 in each year
Year	Records
1814	2
1817	1
1819	1
1832	1
1841	2
1846	1
1847	1
1853	1
1859	3
1860	2
1862	1
1864	3
1865	1
1866	2
1868	2
1872	1
1873	1
1874	1
1875	2
1876	1
1877	1
1878	2
1879	3
1880	1
1881	3
1886	3
1888	3
1889	3
1890	5
1891	5
1892	2
1893	12
1894	2
1895	3
1896	2
1897	1
1898	5
1899	13
1900	3
1901	3
1902	11
1903	15
1904	4
1905	15
1906	25
1907	8
1908	32
1909	9
1910	19
1911	41
1912	25
1913	14
1914	17
1915	21
1916	73
1917	67
1918	40
1919	47
1920	40
1921	57
1922	91
1923	77
1924	49
1925	139
1926	188
1927	531
1928	213
1929	350
1930	162
1931	183
1932	212
1933	567
1934	134
1935	333
1936	365
1937	407
1938	389
1939	400
1940	210
1941	402
1942	210
1943	355
1944	789
1945	380
1946	582
1947	539
1948	237
1949	237
1950	1,128
1951	577
1952	733
1953	957
1954	1,023
1955	397
1956	265
1957	646
1958	1,052
1959	942
1960	191
1961	866
1962	404
1963	446
1964	311
1965	415
1966	565
1967	395
1968	555
1969	482
1970	367
1971	1,053
1972	418
1973	538
1974	1,815
1975	699
1976	1,042
1977	920
1978	474
1979	599
1980	605
1981	846
1982	575
1983	689
1984	1,081
1985	1,104
1986	1,404
1987	712
1988	563
1989	855
1990	505
1991	604
1992	1,434
1993	1,145
1994	862
1995	854
1996	809
1997	1,249
1998	1,409
1999	1,566
2000	878
2001	989
2002	1,499
2003	1,977
2004	839
2005	1,136
2006	922
2007	622
2008	601
2009	1,450
2010	903
2011	1,406
2012	638
2013	603
2014	513
2015	745
2016	536
2017	887
2018	887
2019	2,132
2020	727
2021	721
2022	586
2023	1,300
2024	833
2025	376
2026	624

Download the Data

Data for records on 1973-10-02: 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 10	309
10 to 20	69
20 to 30	36
30 to 40	25
40 to 50	10
50 to 60	6
60 to 70	1
70 to 80	1