Weather Records on 21 October 1964

457 weather records were set or tied worldwide on 21 October 1964. Highest significance: Presque Isle, US.

Key Facts for 21 October 1964

On 21 October 1964, 457 weather records were set or tied at long-record stations worldwide.
72 were record highs and 198 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 450 daily.
Presque Isle set a daily record precipitation of 65.8 mm (2.6 in) on 21 October 1964.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 420 records.

Record Map

457 stations

457 station records on 21 October 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Presque Isle	United States	Record daily precipitation	65.8 mm (2.6 in)	60 of 100 (Major)
Bolpur	India	Record daily precipitation	130.1 mm (5.1 in)	51 of 100 (Notable)
Tg Jiu	Romania	Record daily precipitation	63.4 mm (2.5 in)	50 of 100 (Notable)
Bic	Canada	Record daily snowfall	7.6 cm (3.0 in)	47 of 100 (Notable)
Mio Hydro Plt	United States	Record daily snowfall	10.2 cm (4.0 in)	47 of 100 (Notable)
Dartnall	Australia	Record daily precipitation	27.9 mm (1.1 in)	46 of 100 (Notable)
Ft Kent	United States	Record daily precipitation	48.8 mm (1.9 in)	42 of 100 (Notable)
Houlton	United States	Record daily precipitation	58.4 mm (2.3 in)	41 of 100 (Notable)
Besonderheid"Byzonderhd."	South Africa	Record daily precipitation	44.0 mm (1.7 in)	40 of 100 (Notable)
Grand Falls	Canada	Record daily precipitation	54.6 mm (2.1 in)	38 of 100 (Notable)
Ste Rose du Degelis	Canada	Record daily precipitation	37.3 mm (1.5 in)	36 of 100 (Notable)
Lichtentanne	Germany	Record low maximum temperature	5.3 C (41.5 F)	36 of 100 (Notable)
Durban-Botanical Gardens	South Africa	Record daily precipitation	31.5 mm (1.2 in)	36 of 100 (Notable)
Bar Harbor 3 NW	United States	Record daily precipitation	51.3 mm (2.0 in)	36 of 100 (Notable)
La Pocatiere Cda	Canada	Record daily snowfall	12.7 cm (5.0 in)	35 of 100 (Notable)
Pointe Au Pere	Canada	Record daily precipitation	29.2 mm (1.1 in)	35 of 100 (Notable)
Clearwater	United States	Record high maximum temperature	23.9 C (75.0 F)	35 of 100 (Notable)
Lake Margaret Dam	Australia	Record daily precipitation	57.7 mm (2.3 in)	34 of 100 (Routine)
Queenstown (Copper Mine)	Australia	Record daily precipitation	45.2 mm (1.8 in)	34 of 100 (Routine)
Berrings	South Africa	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Versamelhoek	South Africa	Record daily precipitation	26.0 mm (1.0 in)	33 of 100 (Routine)
Huehue 92.1	United States	Record daily precipitation	32.0 mm (1.3 in)	33 of 100 (Routine)
Price	Canada	Record daily precipitation	38.4 mm (1.5 in)	32 of 100 (Routine)
Kinston 7 SE	United States	Record low maximum temperature	8.9 C (48.0 F)	32 of 100 (Routine)
Chatra	India	Record daily precipitation	70.0 mm (2.8 in)	31 of 100 (Routine)
Greenville	United States	Record low maximum temperature	8.9 C (48.0 F)	31 of 100 (Routine)
Mannarghat	India	Record daily precipitation	112.9 mm (4.4 in)	30 of 100 (Routine)
Annur	India	Record daily precipitation	59.0 mm (2.3 in)	30 of 100 (Routine)
Droogefontein	South Africa	Record daily precipitation	43.0 mm (1.7 in)	30 of 100 (Routine)
Durham	Canada	Record daily snowfall	10.7 cm (4.2 in)	29 of 100 (Routine)
Patan	India	Record daily precipitation	32.0 mm (1.3 in)	29 of 100 (Routine)
Chainpur	India	Record daily precipitation	48.2 mm (1.9 in)	29 of 100 (Routine)
Enisejsk	Russia	Record low minimum temperature	-24.3 C (-11.7 F)	29 of 100 (Routine)
Dullstroom (Sar)	South Africa	Record daily precipitation	50.0 mm (2.0 in)	29 of 100 (Routine)
Tullah	Australia	Record daily precipitation	29.0 mm (1.1 in)	28 of 100 (Routine)
Silda Belpahari	India	Record daily precipitation	104.9 mm (4.1 in)	28 of 100 (Routine)
Las Vigas	Mexico	Record low maximum temperature	5.0 C (41.0 F)	28 of 100 (Routine)
Achinsk	Russia	Record low minimum temperature	-23.1 C (-9.6 F)	28 of 100 (Routine)
Vincennes 4 E	United States	Record low minimum temperature	-3.9 C (25.0 F)	28 of 100 (Routine)
Cooch Behar	India	Record daily precipitation	155.9 mm (6.1 in)	27 of 100 (Routine)
Tomsk	Russia	Record low minimum temperature	-19.0 C (-2.2 F)	27 of 100 (Routine)
Umlaas Waterworks	South Africa	Record daily precipitation	41.8 mm (1.6 in)	27 of 100 (Routine)
Uitzicht	South Africa	Record daily precipitation	51.0 mm (2.0 in)	27 of 100 (Routine)
Tarboro 1 S	United States	Record low maximum temperature	10.0 C (50.0 F)	27 of 100 (Routine)
Gormanston (Gould Street)	Australia	Record daily precipitation	47.0 mm (1.9 in)	26 of 100 (Routine)
Pasighat	India	Record daily precipitation	59.1 mm (2.3 in)	26 of 100 (Routine)
Chula Vista	United States	Record high maximum temperature	35.0 C (95.0 F)	26 of 100 (Routine)
Hollister 1 SW	United States	Record high maximum temperature	35.0 C (95.0 F)	26 of 100 (Routine)
Deols Chateauroux Aerodrome de	France	Record low maximum temperature	3.9 C (39.0 F)	25 of 100 (Routine)
Badagara	India	Record daily precipitation	60.2 mm (2.4 in)	25 of 100 (Routine)
Leesville	United States	Record low minimum temperature	1.1 C (34.0 F)	25 of 100 (Routine)
Newport	United States	Record daily snowfall	6.4 cm (2.5 in)	25 of 100 (Routine)
Statesville 2 NNE	United States	Record low minimum temperature	-2.8 C (27.0 F)	25 of 100 (Routine)
Conway	United States	Record low maximum temperature	13.9 C (57.0 F)	25 of 100 (Routine)
Harlingen	United States	Record low minimum temperature	6.7 C (44.1 F)	25 of 100 (Routine)
Silchar	India	Record daily precipitation	51.6 mm (2.0 in)	24 of 100 (Routine)
Atzalan	Mexico	Record low maximum temperature	12.8 C (55.0 F)	24 of 100 (Routine)
San Andres	Mexico	Record low maximum temperature	20.6 C (69.1 F)	24 of 100 (Routine)
Dudinka	Russia	Record low minimum temperature	-24.8 C (-12.6 F)	24 of 100 (Routine)
Tajshet	Russia	Record low minimum temperature	-24.3 C (-11.7 F)	24 of 100 (Routine)

Counts by Type and Timescale

457 records

Records set or tied on 21 October 1964 by type: Highest daily maximum 43, Lowest daily maximum 80, Highest daily minimum 29, Lowest daily minimum 118, Heaviest daily rainfall 156, Heaviest daily snowfall 28, Deepest snow cover 3.

Records on 21 October 1964 by type
Record type	Records
Highest daily maximum	43
Lowest daily maximum	80
Highest daily minimum	29
Lowest daily minimum	118
Heaviest daily rainfall	156
Heaviest daily snowfall	28
Deepest snow cover	3

Records on 21 October 1964 by timescale: all-time 0, monthly 7, daily 450.

How Much Records Were Beaten By

377 broken records

Margins by which the 377 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 95.8. Ties are not counted.

Top 20 by Significance

21 October 1964

Top 20 records on 21 October 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 1964	Presque Isle, US	daily rain	65.8 mm (2.6 in)	42.9 mm (1.7 in)	51 years	60 of 100 (Major)
21 October 1964	Bolpur, IN	daily rain	130.1 mm (5.1 in)	95.8 mm (3.8 in)	18 years	51 of 100 (Notable)
21 October 1964	Tg Jiu, RO	daily rain	63.4 mm (2.5 in)	42.7 mm (1.7 in)	20 years	50 of 100 (Notable)
21 October 1964	Bic, CA	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	81 years	47 of 100 (Notable)
21 October 1964	Mio Hydro Plt, US	daily snowfall	10.2 cm (4.0 in)	7.7 cm (3.0 in)	67 years	47 of 100 (Notable)
21 October 1964	Dartnall, AU	daily rain	27.9 mm (1.1 in)	20.0 mm (0.8 in)	7 years	46 of 100 (Notable)
21 October 1964	Ft Kent, US	daily rain	48.8 mm (1.9 in)	23.4 mm (0.9 in)	37 years	42 of 100 (Notable)
21 October 1964	Houlton, US	daily rain	58.4 mm (2.3 in)	33.0 mm (1.3 in)	20 years	41 of 100 (Notable)
21 October 1964	Besonderheid"Byzonderhd.", ZA	daily rain	44.0 mm (1.7 in)	35.6 mm (1.4 in)	33 years	40 of 100 (Notable)
21 October 1964	Grand Falls, CA	daily rain	54.6 mm (2.1 in)	24.1 mm (0.9 in)	38 years	38 of 100 (Notable)
21 October 1964	Ste Rose du Degelis, CA	daily rain	37.3 mm (1.5 in)	26.1 mm (1.0 in)	20 years	36 of 100 (Notable)
21 October 1964	Lichtentanne, DE	daily low max	5.3 C (41.5 F)	1.1 C (2.0 F)	82 years	36 of 100 (Notable)
21 October 1964	Durban-Botanical Gardens, ZA	daily rain	31.5 mm (1.2 in)	5.3 mm (0.21 in)	78 years	36 of 100 (Notable)
21 October 1964	Bar Harbor 3 NW, US	daily rain	51.3 mm (2.0 in)	25.9 mm (1.0 in)	46 years	36 of 100 (Notable)
21 October 1964	La Pocatiere Cda, CA	daily snowfall	12.7 cm (5.0 in)	8.9 cm (3.5 in)	39 years	35 of 100 (Notable)
21 October 1964	Pointe Au Pere, CA	daily rain	29.2 mm (1.1 in)	3.5 mm (0.14 in)	75 years	35 of 100 (Notable)
21 October 1964	Clearwater, US	daily high max	23.9 C (75.0 F)	3.3 C (5.9 F)	63 years	35 of 100 (Notable)
21 October 1964	Lake Margaret Dam, AU	daily rain	57.7 mm (2.3 in)	27.7 mm (1.1 in)	33 years	34 of 100 (Routine)
21 October 1964	Queenstown (Copper Mine), AU	daily rain	45.2 mm (1.8 in)	19.0 mm (0.7 in)	36 years	34 of 100 (Routine)
21 October 1964	Berrings, ZA	daily rain	30.5 mm (1.2 in)	19.8 mm (0.8 in)	39 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

1795 to 1964

Records set or tied on this calendar date in each year from 1795 to 1964. 1964 had 457 records.

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

Records on 10-21 in each year
Year	Records
1795	1
1802	2
1805	1
1808	1
1810	1
1834	1
1835	1
1840	1
1845	1
1847	1
1850	1
1851	2
1854	1
1859	1
1863	1
1864	1
1866	3
1867	1
1868	3
1869	2
1871	1
1872	1
1873	1
1874	1
1876	4
1877	2
1878	1
1880	3
1881	1
1883	1
1886	1
1888	2
1889	2
1890	3
1891	6
1892	6
1893	1
1894	1
1895	2
1896	5
1898	6
1899	3
1900	2
1901	9
1902	2
1903	3
1904	30
1905	15
1906	11
1907	35
1908	35
1909	19
1910	21
1911	10
1912	18
1913	59
1914	35
1915	43
1916	70
1917	208
1918	18
1919	102
1920	149
1921	58
1922	78
1923	81
1924	389
1925	150
1926	77
1927	187
1928	78
1929	200
1930	492
1931	217
1932	165
1933	733
1934	407
1935	707
1936	407
1937	132
1938	121
1939	491
1940	537
1941	644
1942	258
1943	421
1944	367
1945	538
1946	297
1947	977
1948	266
1949	1,015
1950	438
1951	382
1952	848
1953	1,579
1954	279
1955	481
1956	276
1957	511
1958	322
1959	410
1960	408
1961	553
1962	359
1963	725
1964	457
1965	465
1966	425
1967	472
1968	174
1969	881
1970	548
1971	498
1972	813
1973	464
1974	866
1975	509
1976	1,467
1977	451
1978	616
1979	1,958
1980	378
1981	667
1982	870
1983	786
1984	1,872
1985	776
1986	814
1987	852
1988	696
1989	1,668
1990	807
1991	877
1992	1,095
1993	845
1994	670
1995	1,120
1996	1,581
1997	915
1998	711
1999	688
2000	771
2001	610
2002	1,241
2003	2,066
2004	1,674
2005	949
2006	1,057
2007	916
2008	610
2009	713
2010	710
2011	662
2012	703
2013	440
2014	716
2015	493
2016	734
2017	750
2018	440
2019	757
2020	1,135
2021	574
2022	629
2023	890
2024	1,138
2025	364

Download the Data

Data for records on 1964-10-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	331
20 to 40	34
40 to 60	7
60 to 80	3
80 to 100	2