Weather Records on 4 October 1965

760 weather records were set or tied worldwide on 4 October 1965. Highest significance: Boa Viagem, BR.

Key Facts for 4 October 1965

On 4 October 1965, 760 weather records were set or tied at long-record stations worldwide.
50 were record highs and 422 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 33 monthly and 727 daily.
Boa Viagem set a monthly record daily precipitation of 62.8 mm (2.5 in) on 4 October 1965.
Across 160 earlier years (1795 to 2026) the same calendar date averaged 463 records.

Record Map

760 stations

760 station records on 4 October 1965 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 October 1965: highest significance records shown on the map
Station	Country	Type	Value	Significance
Boa Viagem	Brazil	Record daily precipitation	62.8 mm (2.5 in)	70 of 100 (Major)
Pedra Branca	Brazil	Record daily precipitation	54.0 mm (2.1 in)	67 of 100 (Major)
Luis Gomes	Brazil	Record daily precipitation	64.3 mm (2.5 in)	61 of 100 (Major)
Ubajara	Brazil	Record daily precipitation	41.2 mm (1.6 in)	60 of 100 (Major)
Tapera	Brazil	Record daily precipitation	87.3 mm (3.4 in)	60 of 100 (Major)
Guaraciaba Do Norte	Brazil	Record daily precipitation	25.5 mm (1.0 in)	60 of 100 (Major)
Espirito Santo	Brazil	Record daily precipitation	74.0 mm (2.9 in)	58 of 100 (Notable)
Umari	Brazil	Record daily precipitation	45.2 mm (1.8 in)	58 of 100 (Notable)
Nova Russas	Brazil	Record daily precipitation	58.1 mm (2.3 in)	57 of 100 (Notable)
Independencia	Brazil	Record daily precipitation	55.0 mm (2.2 in)	57 of 100 (Notable)
Beer Sheva	Israel	Record daily precipitation	29.0 mm (1.1 in)	57 of 100 (Notable)
Milha	Brazil	Record daily precipitation	51.6 mm (2.0 in)	55 of 100 (Notable)
Acude Sobral	Brazil	Record daily precipitation	61.0 mm (2.4 in)	54 of 100 (Notable)
Acude Ipaguassu	Brazil	Record daily precipitation	46.2 mm (1.8 in)	53 of 100 (Notable)
Madrid - Retiro	Spain	Record daily precipitation	40.4 mm (1.6 in)	53 of 100 (Notable)
Acude Varzea da Volta	Brazil	Record daily precipitation	40.5 mm (1.6 in)	52 of 100 (Notable)
Sao Benedito	Brazil	Record daily precipitation	86.5 mm (3.4 in)	50 of 100 (Notable)
Acude Bonito	Brazil	Record daily precipitation	38.3 mm (1.5 in)	50 of 100 (Notable)
Traipu	Brazil	Record daily precipitation	37.3 mm (1.5 in)	50 of 100 (Notable)
New Norcia	Australia	Record daily precipitation	31.0 mm (1.2 in)	49 of 100 (Notable)
Senador Pompeu	Brazil	Record daily precipitation	30.2 mm (1.2 in)	49 of 100 (Notable)
San Luis de la Paz	Mexico	Record daily precipitation	33.3 mm (1.3 in)	48 of 100 (Notable)
Capel	Australia	Record daily precipitation	38.9 mm (1.5 in)	47 of 100 (Notable)
Cajazeiras	Brazil	Record daily precipitation	75.0 mm (3.0 in)	44 of 100 (Notable)
Acude Riacho Do Sangue	Brazil	Record daily precipitation	30.0 mm (1.2 in)	43 of 100 (Notable)
Feiticeiro	Brazil	Record daily precipitation	31.0 mm (1.2 in)	43 of 100 (Notable)
Peterborough	Canada	Record low maximum temperature	5.6 C (42.1 F)	43 of 100 (Notable)
Nicosia	Cyprus	Record daily precipitation	36.6 mm (1.4 in)	43 of 100 (Notable)
Enosburg Falls	United States	Record daily snowfall	7.6 cm (3.0 in)	43 of 100 (Notable)
Tamboril	Brazil	Record daily precipitation	46.0 mm (1.8 in)	42 of 100 (Notable)
Newark Liberty Intl AP	United States	Record low maximum temperature	11.1 C (52.0 F)	42 of 100 (Notable)
Welland	Canada	Record low maximum temperature	4.4 C (39.9 F)	41 of 100 (Notable)
Belleville	Canada	Record low maximum temperature	6.7 C (44.1 F)	41 of 100 (Notable)
Parry Sound	Canada	Record low maximum temperature	3.9 C (39.0 F)	40 of 100 (Notable)
Ipueiras	Brazil	Record daily precipitation	35.2 mm (1.4 in)	39 of 100 (Notable)
Catarina	Brazil	Record daily precipitation	27.3 mm (1.1 in)	39 of 100 (Notable)
Toronto	Canada	Record low maximum temperature	6.1 C (43.0 F)	39 of 100 (Notable)
Piaxtla	Mexico	Record daily precipitation	53.1 mm (2.1 in)	39 of 100 (Notable)
Lindsay	Canada	Record low maximum temperature	4.4 C (39.9 F)	38 of 100 (Notable)
Chicoutimi	Canada	Record low maximum temperature	2.2 C (36.0 F)	38 of 100 (Notable)
Ocala	United States	Record high maximum temperature	36.7 C (98.1 F)	38 of 100 (Notable)
Burnet	United States	Record low maximum temperature	15.0 C (59.0 F)	38 of 100 (Notable)
Acude Nova Floresta	Brazil	Record daily precipitation	61.0 mm (2.4 in)	37 of 100 (Notable)
Durham	Canada	Record low maximum temperature	1.7 C (35.1 F)	37 of 100 (Notable)
Guelph Oac	Canada	Record low maximum temperature	3.3 C (37.9 F)	37 of 100 (Notable)
Lowell	United States	Record low maximum temperature	7.2 C (45.0 F)	37 of 100 (Notable)
Propria	Brazil	Record daily precipitation	28.6 mm (1.1 in)	36 of 100 (Notable)
Uniao	Brazil	Record daily precipitation	35.5 mm (1.4 in)	36 of 100 (Notable)
Cambridge Galt Moe	Canada	Record low maximum temperature	4.4 C (39.9 F)	36 of 100 (Notable)
Nashua 2 NNW	United States	Record low maximum temperature	8.3 C (46.9 F)	36 of 100 (Notable)
Nyabing	Australia	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Carire	Brazil	Record daily precipitation	50.4 mm (2.0 in)	35 of 100 (Notable)
Huichapan	Mexico	Record daily precipitation	38.9 mm (1.5 in)	35 of 100 (Notable)
Saranac Lake	United States	Record low maximum temperature	4.4 C (39.9 F)	35 of 100 (Notable)
Fredericksburg	United States	Record low maximum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Port Washington	United States	Record low maximum temperature	7.8 C (46.0 F)	35 of 100 (Notable)
Beatrice	Canada	Record low maximum temperature	3.3 C (37.9 F)	34 of 100 (Routine)
Grindstone Island	Canada	Record daily precipitation	34.3 mm (1.4 in)	34 of 100 (Routine)
Brockton	United States	Record low maximum temperature	8.9 C (48.0 F)	34 of 100 (Routine)
Gatesville	United States	Record low maximum temperature	17.2 C (63.0 F)	34 of 100 (Routine)

Counts by Type and Timescale

760 records

Records set or tied on 4 October 1965 by type: Highest daily maximum 19, Lowest daily maximum 325, Highest daily minimum 31, Lowest daily minimum 97, Heaviest daily rainfall 267, Heaviest daily snowfall 21.

Records on 4 October 1965 by type
Record type	Records
Highest daily maximum	19
Lowest daily maximum	325
Highest daily minimum	31
Lowest daily minimum	97
Heaviest daily rainfall	267
Heaviest daily snowfall	21
Deepest snow cover	0

Records on 4 October 1965 by timescale: all-time 0, monthly 33, daily 727.

How Much Records Were Beaten By

653 broken records

Margins by which the 653 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

4 October 1965

Top 20 records on 4 October 1965 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 October 1965	Boa Viagem, BR	monthly rain	62.8 mm (2.5 in)	58.5 mm (2.3 in)	50 years	70 of 100 (Major)
4 October 1965	Pedra Branca, BR	monthly rain	54.0 mm (2.1 in)	32.0 mm (1.3 in)	40 years	67 of 100 (Major)
4 October 1965	Luis Gomes, BR	daily rain	64.3 mm (2.5 in)	64.3 mm (2.5 in)	54 years	61 of 100 (Major)
4 October 1965	Ubajara, BR	daily rain	41.2 mm (1.6 in)	39.5 mm (1.6 in)	52 years	60 of 100 (Major)
4 October 1965	Tapera, BR	monthly rain	87.3 mm (3.4 in)	79.3 mm (3.1 in)	25 years	60 of 100 (Major)
4 October 1965	Guaraciaba Do Norte, BR	daily rain	25.5 mm (1.0 in)	25.5 mm (1.0 in)	52 years	60 of 100 (Major)
4 October 1965	Espirito Santo, BR	monthly rain	74.0 mm (2.9 in)	57.4 mm (2.3 in)	17 years	58 of 100 (Notable)
4 October 1965	Umari, BR	daily rain	45.2 mm (1.8 in)	39.8 mm (1.6 in)	44 years	58 of 100 (Notable)
4 October 1965	Nova Russas, BR	monthly rain	58.1 mm (2.3 in)	30.6 mm (1.2 in)	45 years	57 of 100 (Notable)
4 October 1965	Independencia, BR	monthly rain	55.0 mm (2.2 in)	33.0 mm (1.3 in)	9 years	57 of 100 (Notable)
4 October 1965	Beer Sheva, IL	daily rain	29.0 mm (1.1 in)	29.0 mm (1.1 in)	44 years	57 of 100 (Notable)
4 October 1965	Milha, BR	monthly rain	51.6 mm (2.0 in)	34.4 mm (1.4 in)	25 years	55 of 100 (Notable)
4 October 1965	Acude Sobral, BR	monthly rain	61.0 mm (2.4 in)	33.5 mm (1.3 in)	25 years	54 of 100 (Notable)
4 October 1965	Acude Ipaguassu, BR	monthly rain	46.2 mm (1.8 in)	31.2 mm (1.2 in)	25 years	53 of 100 (Notable)
4 October 1965	Madrid - Retiro, ES	daily rain	40.4 mm (1.6 in)	32.4 mm (1.3 in)	32 years	53 of 100 (Notable)
4 October 1965	Acude Varzea da Volta, BR	monthly rain	40.5 mm (1.6 in)	26.5 mm (1.0 in)	40 years	52 of 100 (Notable)
4 October 1965	Sao Benedito, BR	monthly rain	86.5 mm (3.4 in)	17.2 mm (0.7 in)	50 years	50 of 100 (Notable)
4 October 1965	Acude Bonito, BR	daily rain	38.3 mm (1.5 in)	38.3 mm (1.5 in)	52 years	50 of 100 (Notable)
4 October 1965	Traipu, BR	daily rain	37.3 mm (1.5 in)	21.7 mm (0.9 in)	52 years	50 of 100 (Notable)
4 October 1965	New Norcia, AU	daily rain	31.0 mm (1.2 in)	14.5 mm (0.6 in)	42 years	49 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

1795 to 1965

Records set or tied on this calendar date in each year from 1795 to 1965. 1965 had 760 records.

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

Records on 10-04 in each year
Year	Records
1795	1
1802	1
1841	2
1843	1
1844	2
1847	2
1853	1
1859	1
1864	8
1865	2
1867	1
1868	1
1873	1
1875	1
1876	1
1878	1
1880	1
1881	3
1882	1
1883	3
1884	4
1885	2
1886	3
1888	5
1889	2
1890	1
1891	3
1892	2
1893	2
1894	3
1895	3
1896	3
1898	4
1899	1
1900	3
1901	9
1902	5
1903	8
1904	5
1905	11
1906	29
1907	10
1908	18
1909	13
1910	21
1911	23
1912	101
1913	12
1914	18
1915	13
1916	137
1917	157
1918	127
1919	30
1920	31
1921	46
1922	44
1923	21
1924	63
1925	130
1926	255
1927	172
1928	131
1929	339
1930	244
1931	361
1932	413
1933	299
1934	121
1935	833
1936	161
1937	483
1938	440
1939	345
1940	220
1941	850
1942	198
1943	426
1944	328
1945	543
1946	314
1947	592
1948	449
1949	491
1950	565
1951	617
1952	717
1953	358
1954	999
1955	630
1956	467
1957	533
1958	704
1959	812
1960	246
1961	758
1962	313
1963	528
1964	389
1965	760
1966	464
1967	440
1968	587
1969	628
1970	539
1971	361
1972	712
1973	604
1974	1,846
1975	681
1976	869
1977	517
1978	488
1979	733
1980	975
1981	994
1982	415
1983	762
1984	864
1985	863
1986	1,265
1987	1,502
1988	713
1989	742
1990	845
1991	813
1992	866
1993	956
1994	1,341
1995	1,192
1996	1,012
1997	928
1998	1,487
1999	1,596
2000	917
2001	547
2002	1,465
2003	610
2004	562
2005	1,973
2006	987
2007	997
2008	935
2009	1,431
2010	1,230
2011	919
2012	864
2013	1,130
2014	611
2015	741
2016	680
2017	780
2018	979
2019	1,131
2020	897
2021	644
2022	561
2023	936
2024	1,197
2025	979
2026	942

Download the Data

Data for records on 1965-10-04: 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 20	602
20 to 40	44
40 to 60	3
60 to 80	3
80 to 100	0
100 to 120	0
120 to 140	0
140 to 160	1