Weather Records on 23 September 1964

322 weather records were set or tied worldwide on 23 September 1964. Highest significance: McCamey, US.

Key Facts for 23 September 1964

On 23 September 1964, 322 weather records were set or tied at long-record stations worldwide.
90 were record highs and 48 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 9 monthly and 311 daily.
McCamey set an all-time record daily precipitation of 129.5 mm (5.1 in) on 23 September 1964.
Across 169 earlier years (1793 to 2026) the same calendar date averaged 432 records.

Record Map

322 stations

322 station records on 23 September 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 September 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
McCamey	United States	Record daily precipitation	129.5 mm (5.1 in)	67 of 100 (Major)
Brahmapuri	India	Record daily precipitation	156.2 mm (6.1 in)	62 of 100 (Major)
Chimur	India	Record daily precipitation	190.4 mm (7.5 in)	58 of 100 (Notable)
Jaipur	India	Record daily precipitation	248.0 mm (9.8 in)	52 of 100 (Notable)
Mistassini Post	Canada	Record daily precipitation	33.5 mm (1.3 in)	51 of 100 (Notable)
Fosston 1 E	United States	Record daily precipitation	44.5 mm (1.8 in)	50 of 100 (Notable)
Waddamana Field Study Centre	Australia	Record daily precipitation	27.7 mm (1.1 in)	43 of 100 (Notable)
St Andrews	Canada	Record daily precipitation	49.8 mm (2.0 in)	43 of 100 (Notable)
Ghorajheri	India	Record daily precipitation	107.8 mm (4.2 in)	43 of 100 (Notable)
Tishomingo Natl Wr	United States	Record daily precipitation	63.0 mm (2.5 in)	42 of 100 (Notable)
Adilabad	India	Record daily precipitation	106.7 mm (4.2 in)	41 of 100 (Notable)
Itasca UNIV of Minn	United States	Record daily precipitation	41.1 mm (1.6 in)	40 of 100 (Notable)
Ahiri	India	Record daily precipitation	95.3 mm (3.8 in)	39 of 100 (Notable)
Parrsboro	Canada	Record daily precipitation	59.9 mm (2.4 in)	38 of 100 (Notable)
Tewantin Post Office	Australia	Record high minimum temperature	21.2 C (70.2 F)	37 of 100 (Notable)
Juana Diaz Camp	Puerto Rico [United States]	Record low maximum temperature	26.7 C (80.1 F)	37 of 100 (Notable)
Baudette	United States	Record daily precipitation	38.4 mm (1.5 in)	37 of 100 (Notable)
Geeveston Police Station	Australia	Record daily precipitation	31.0 mm (1.2 in)	35 of 100 (Notable)
Cochrane	Canada	Record daily precipitation	32.5 mm (1.3 in)	35 of 100 (Notable)
Detroit Lakes 1 NNE	United States	Record daily precipitation	32.0 mm (1.3 in)	35 of 100 (Notable)
Sandheads	India	Record daily precipitation	163.0 mm (6.4 in)	34 of 100 (Routine)
Tahoe City	United States	Record high minimum temperature	10.6 C (51.1 F)	32 of 100 (Routine)
Upper Lake 2 N	United States	Record high minimum temperature	14.4 C (57.9 F)	32 of 100 (Routine)
Red Lake Indian Agcy	United States	Record daily precipitation	47.0 mm (1.9 in)	32 of 100 (Routine)
Brisbane Regional Office	Australia	Record high maximum temperature	32.8 C (91.0 F)	31 of 100 (Routine)
Magdeburg	Germany	Record low minimum temperature	0.4 C (32.7 F)	31 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record low minimum temperature	0.0 C (32.0 F)	31 of 100 (Routine)
Deming	United States	Record daily precipitation	27.9 mm (1.1 in)	31 of 100 (Routine)
Ft Bayard 4W	United States	Record daily precipitation	47.8 mm (1.9 in)	31 of 100 (Routine)
Copperas Cove	United States	Record daily precipitation	60.5 mm (2.4 in)	31 of 100 (Routine)
Bancroft	Canada	Record high minimum temperature	15.0 C (59.0 F)	30 of 100 (Routine)
Fredericton Cda	Canada	Record daily precipitation	31.5 mm (1.2 in)	30 of 100 (Routine)
Mineral	United States	Record high minimum temperature	12.2 C (54.0 F)	30 of 100 (Routine)
Thief River Falls	United States	Record daily precipitation	38.4 mm (1.5 in)	30 of 100 (Routine)
Weatherford	United States	Record daily precipitation	49.0 mm (1.9 in)	30 of 100 (Routine)
Hornepayne	Canada	Record daily precipitation	25.7 mm (1.0 in)	29 of 100 (Routine)
St George	Canada	Record daily precipitation	63.0 mm (2.5 in)	29 of 100 (Routine)
Huzurabad(Rev)	India	Record daily precipitation	86.5 mm (3.4 in)	29 of 100 (Routine)
Tharsa	India	Record daily precipitation	73.4 mm (2.9 in)	29 of 100 (Routine)
Riva	Italy	Record low minimum temperature	7.0 C (44.6 F)	29 of 100 (Routine)
Ft Bragg 5 N	United States	Record high maximum temperature	25.6 C (78.1 F)	29 of 100 (Routine)
Luna Rs	United States	Record daily precipitation	35.8 mm (1.4 in)	29 of 100 (Routine)
Warroad	United States	Record daily precipitation	35.8 mm (1.4 in)	28 of 100 (Routine)
Tamluk	India	Record daily precipitation	85.0 mm (3.3 in)	27 of 100 (Routine)
Newberry-Luce Co Rd Commission	United States	Record daily precipitation	44.2 mm (1.7 in)	27 of 100 (Routine)
Bemidji	United States	Record daily precipitation	30.5 mm (1.2 in)	27 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record low minimum temperature	-2.5 C (27.5 F)	26 of 100 (Routine)
Chariton 1 E	United States	Record daily precipitation	34.3 mm (1.4 in)	26 of 100 (Routine)
Ft Madison	United States	Record daily precipitation	62.7 mm (2.5 in)	26 of 100 (Routine)
Angus 1 N	United States	Record daily precipitation	36.8 mm (1.4 in)	26 of 100 (Routine)
Globe Rs	United States	Record low maximum temperature	20.6 C (69.1 F)	25 of 100 (Routine)
Williamsburg 1E	United States	Record daily precipitation	27.4 mm (1.1 in)	25 of 100 (Routine)
Bueyeros 4 NW	United States	Record daily precipitation	50.8 mm (2.0 in)	25 of 100 (Routine)
Regensburg	Germany	Record low minimum temperature	-0.8 C (30.6 F)	24 of 100 (Routine)
Bucuresti Filaret	Romania	Record daily precipitation	40.5 mm (1.6 in)	24 of 100 (Routine)
Hull	United Kingdom	Record high maximum temperature	23.3 C (73.9 F)	24 of 100 (Routine)
Benson	United States	Record low maximum temperature	22.8 C (73.0 F)	24 of 100 (Routine)
San Carlos Rsvr	United States	Record low maximum temperature	22.2 C (72.0 F)	24 of 100 (Routine)
Greenfield	United States	Record high minimum temperature	20.0 C (68.0 F)	24 of 100 (Routine)
Willmar Wwtp	United States	Record daily precipitation	28.2 mm (1.1 in)	24 of 100 (Routine)

Counts by Type and Timescale

322 records

Records set or tied on 23 September 1964 by type: Highest daily maximum 36, Lowest daily maximum 24, Highest daily minimum 54, Lowest daily minimum 24, Heaviest daily rainfall 184.

Records on 23 September 1964 by type
Record type	Records
Highest daily maximum	36
Lowest daily maximum	24
Highest daily minimum	54
Lowest daily minimum	24
Heaviest daily rainfall	184
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 September 1964 by timescale: all-time 2, monthly 9, daily 311.

How Much Records Were Beaten By

275 broken records

Margins by which the 275 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 130.2. Ties are not counted.

Top 20 by Significance

23 September 1964

Top 20 records on 23 September 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 September 1964	McCamey, US	all-time rain	129.5 mm (5.1 in)	44.4 mm (1.7 in)	32 years	67 of 100 (Major)
23 September 1964	Brahmapuri, IN	daily rain	156.2 mm (6.1 in)	96.5 mm (3.8 in)	55 years	62 of 100 (Major)
23 September 1964	Chimur, IN	daily rain	190.4 mm (7.5 in)	130.2 mm (5.1 in)	41 years	58 of 100 (Notable)
23 September 1964	Jaipur, IN	monthly rain	248.0 mm (9.8 in)	69.7 mm (2.7 in)	9 years	52 of 100 (Notable)
23 September 1964	Mistassini Post, CA	daily rain	33.5 mm (1.3 in)	21.8 mm (0.9 in)	48 years	51 of 100 (Notable)
23 September 1964	Fosston 1 E, US	daily rain	44.5 mm (1.8 in)	32.6 mm (1.3 in)	52 years	50 of 100 (Notable)
23 September 1964	Waddamana Field Study Centre, AU	daily rain	27.7 mm (1.1 in)	16.0 mm (0.6 in)	36 years	43 of 100 (Notable)
23 September 1964	St Andrews, CA	daily rain	49.8 mm (2.0 in)	14.7 mm (0.6 in)	78 years	43 of 100 (Notable)
23 September 1964	Ghorajheri, IN	daily rain	107.8 mm (4.2 in)	56.2 mm (2.2 in)	55 years	43 of 100 (Notable)
23 September 1964	Tishomingo Natl Wr, US	daily rain	63.0 mm (2.5 in)	42.7 mm (1.7 in)	56 years	42 of 100 (Notable)
23 September 1964	Adilabad, IN	daily rain	106.7 mm (4.2 in)	72.9 mm (2.9 in)	11 years	41 of 100 (Notable)
23 September 1964	Itasca UNIV of Minn, US	daily rain	41.1 mm (1.6 in)	29.4 mm (1.2 in)	2 years	40 of 100 (Notable)
23 September 1964	Ahiri, IN	daily rain	95.3 mm (3.8 in)	50.8 mm (2.0 in)	36 years	39 of 100 (Notable)
23 September 1964	Parrsboro, CA	daily rain	59.9 mm (2.4 in)	24.1 mm (0.9 in)	46 years	38 of 100 (Notable)
23 September 1964	Tewantin Post Office, AU	monthly high min	21.2 C (70.2 F)	0.6 C (1.1 F)	65 years	37 of 100 (Notable)
23 September 1964	Juana Diaz Camp, PR	daily low max	26.7 C (80.1 F)	3.3 C (5.9 F)	28 years	37 of 100 (Notable)
23 September 1964	Baudette, US	daily rain	38.4 mm (1.5 in)	21.6 mm (0.9 in)	22 years	37 of 100 (Notable)
23 September 1964	Geeveston Police Station, AU	daily rain	31.0 mm (1.2 in)	11.7 mm (0.5 in)	41 years	35 of 100 (Notable)
23 September 1964	Cochrane, CA	daily rain	32.5 mm (1.3 in)	20.8 mm (0.8 in)	18 years	35 of 100 (Notable)
23 September 1964	Detroit Lakes 1 NNE, US	daily rain	32.0 mm (1.3 in)	14.5 mm (0.6 in)	44 years	35 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

1793 to 1964

Records set or tied on this calendar date in each year from 1793 to 1964. 1964 had 322 records.

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

Records on 09-23 in each year
Year	Records
1793	1
1796	1
1799	1
1804	1
1832	1
1835	1
1838	1
1842	3
1843	1
1845	2
1848	1
1849	1
1850	1
1851	2
1854	3
1855	1
1859	2
1864	1
1865	1
1866	1
1868	1
1871	1
1872	1
1874	1
1875	1
1876	1
1877	1
1881	4
1882	2
1885	1
1886	1
1887	1
1888	1
1889	3
1890	2
1891	1
1892	2
1893	4
1895	9
1896	5
1897	1
1898	2
1899	4
1900	4
1901	2
1902	6
1903	7
1904	19
1905	6
1906	6
1907	19
1908	19
1909	15
1910	8
1911	11
1912	15
1913	22
1914	29
1915	25
1916	324
1917	56
1918	34
1919	40
1920	44
1921	47
1922	34
1923	74
1924	194
1925	223
1926	459
1927	247
1928	382
1929	198
1930	472
1931	600
1932	383
1933	281
1934	361
1935	239
1936	377
1937	557
1938	389
1939	279
1940	374
1941	490
1942	557
1943	322
1944	381
1945	652
1946	623
1947	803
1948	259
1949	496
1950	267
1951	462
1952	432
1953	271
1954	324
1955	852
1956	299
1957	539
1958	641
1959	307
1960	470
1961	670
1962	344
1963	568
1964	322
1965	783
1966	528
1967	341
1968	481
1969	450
1970	1,457
1971	578
1972	461
1973	674
1974	1,543
1975	1,038
1976	463
1977	616
1978	500
1979	586
1980	1,037
1981	717
1982	775
1983	1,744
1984	1,121
1985	924
1986	740
1987	1,077
1988	653
1989	1,376
1990	702
1991	519
1992	976
1993	983
1994	1,140
1995	1,868
1996	809
1997	1,060
1998	1,326
1999	1,207
2000	2,026
2001	790
2002	930
2003	1,243
2004	986
2005	1,207
2006	1,509
2007	1,153
2008	835
2009	1,201
2010	1,360
2011	666
2012	785
2013	573
2014	595
2015	587
2016	774
2017	1,371
2018	693
2019	565
2020	618
2021	602
2022	551
2023	812
2024	499
2025	449
2026	384

Download the Data

Data for records on 1964-09-23: 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	249
20 to 40	15
40 to 60	7
60 to 80	2
80 to 100	1
100 to 120	0
120 to 140	1