Weather Records on 23 July 1964

373 weather records were set or tied worldwide on 23 July 1964. Highest significance: Mapulehu 542, US.

Key Facts for 23 July 1964

On 23 July 1964, 373 weather records were set or tied at long-record stations worldwide.
152 were record highs and 93 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 371 daily.
Mapulehu 542 set a daily record precipitation of 46.7 mm (1.8 in) on 23 July 1964.
Across 167 earlier years (1794 to 2026) the same calendar date averaged 449 records.

Record Map

373 stations

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

Weather records on 23 July 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mapulehu 542	United States	Record daily precipitation	46.7 mm (1.8 in)	53 of 100 (Notable)
Porto da Folha	Brazil	Record daily precipitation	37.0 mm (1.5 in)	52 of 100 (Notable)
Bezenchuk	Russia	Record daily precipitation	35.6 mm (1.4 in)	51 of 100 (Notable)
Narsipatnam	India	Record daily precipitation	88.0 mm (3.5 in)	50 of 100 (Notable)
Perry	United States	Record daily precipitation	58.4 mm (2.3 in)	48 of 100 (Notable)
Kalihi Rsch Site 777	United States	Record daily precipitation	65.5 mm (2.6 in)	47 of 100 (Notable)
Theethandathanam	India	Record daily precipitation	68.0 mm (2.7 in)	44 of 100 (Notable)
King City	United States	Record daily precipitation	61.0 mm (2.4 in)	44 of 100 (Notable)
Nossa Senhora Das Dores	Brazil	Record daily precipitation	74.2 mm (2.9 in)	43 of 100 (Notable)
Cambridge Water Trmt P	United States	Record daily precipitation	93.2 mm (3.7 in)	43 of 100 (Notable)
Murdo	United States	Record daily precipitation	35.6 mm (1.4 in)	42 of 100 (Notable)
Stromsfoss Sluse	Norway	Record daily precipitation	35.2 mm (1.4 in)	41 of 100 (Notable)
Mineirolandia	Brazil	Record daily precipitation	55.4 mm (2.2 in)	40 of 100 (Notable)
Orebro	Sweden	Record daily precipitation	45.0 mm (1.8 in)	40 of 100 (Notable)
Mulji Vale	Australia	Record daily precipitation	29.7 mm (1.2 in)	39 of 100 (Notable)
Island Falls	Canada	Record daily precipitation	32.3 mm (1.3 in)	39 of 100 (Notable)
Ft Pierce	United States	Record daily precipitation	66.3 mm (2.6 in)	37 of 100 (Notable)
Castelo Do Piaui (Marvao)	Brazil	Record daily precipitation	36.0 mm (1.4 in)	35 of 100 (Notable)
Baddeck	Canada	Record low maximum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Kangayam	India	Record daily precipitation	26.0 mm (1.0 in)	35 of 100 (Notable)
Benson	United States	Record daily precipitation	44.2 mm (1.7 in)	34 of 100 (Routine)
Humboldt 3 W	United States	Record daily precipitation	41.9 mm (1.6 in)	34 of 100 (Routine)
Springview 2NW	United States	Record high maximum temperature	42.2 C (108.0 F)	34 of 100 (Routine)
Sivagiri	India	Record daily precipitation	32.0 mm (1.3 in)	33 of 100 (Routine)
Minas Nuevas	Mexico	Record low minimum temperature	15.6 C (60.1 F)	33 of 100 (Routine)
Milha	Brazil	Record daily precipitation	26.6 mm (1.0 in)	32 of 100 (Routine)
Minden	United States	Record daily precipitation	43.2 mm (1.7 in)	32 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record low minimum temperature	-1.0 C (30.2 F)	31 of 100 (Routine)
Tranebjerg	Denmark	Record low maximum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Eufaula	United States	Record daily precipitation	62.2 mm (2.4 in)	31 of 100 (Routine)
Aiken 5SE	United States	Record daily precipitation	39.6 mm (1.6 in)	31 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record low maximum temperature	16.1 C (61.0 F)	30 of 100 (Routine)
Bedford	United States	Record daily precipitation	27.4 mm (1.1 in)	30 of 100 (Routine)
Nappan Cda	Canada	Record low maximum temperature	16.1 C (61.0 F)	29 of 100 (Routine)
Parrsboro	Canada	Record low maximum temperature	17.2 C (63.0 F)	29 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record low maximum temperature	16.0 C (60.8 F)	28 of 100 (Routine)
Bernalillo	United States	Record high minimum temperature	19.4 C (66.9 F)	28 of 100 (Routine)
Cape Race (Aut)	Canada	Record daily precipitation	36.3 mm (1.4 in)	27 of 100 (Routine)
Tartu	Estonia	Record low minimum temperature	5.8 C (42.4 F)	27 of 100 (Routine)
Liberty 1 NE	United States	Record daily precipitation	80.0 mm (3.1 in)	27 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record low maximum temperature	6.8 C (44.2 F)	26 of 100 (Routine)
Annapolis Royal	Canada	Record low maximum temperature	17.2 C (63.0 F)	26 of 100 (Routine)
Haldwani	India	Record daily precipitation	198.6 mm (7.8 in)	26 of 100 (Routine)
Russellville	United States	Record daily precipitation	46.5 mm (1.8 in)	26 of 100 (Routine)
Moab	United States	Record high minimum temperature	23.9 C (75.0 F)	26 of 100 (Routine)
Solon Springs	United States	Record high maximum temperature	36.1 C (97.0 F)	26 of 100 (Routine)
Budapest	Hungary	Record high minimum temperature	21.2 C (70.2 F)	25 of 100 (Routine)
Kodaikanal	India	Record daily precipitation	45.0 mm (1.8 in)	25 of 100 (Routine)
Grand View 4 NW	United States	Record low maximum temperature	30.0 C (86.0 F)	25 of 100 (Routine)
Beloit	United States	Record high maximum temperature	43.9 C (111.0 F)	25 of 100 (Routine)
Healdton 3 E	United States	Record high maximum temperature	42.2 C (108.0 F)	25 of 100 (Routine)
Pine Ridge	United States	Record high minimum temperature	22.2 C (72.0 F)	25 of 100 (Routine)
Duchesne	United States	Record high minimum temperature	18.3 C (64.9 F)	25 of 100 (Routine)
Concrete Ppl Fish STN	United States	Record low minimum temperature	6.1 C (43.0 F)	25 of 100 (Routine)
Port Townsend	United States	Record low minimum temperature	5.6 C (42.1 F)	25 of 100 (Routine)
Hiasen I Sigdal	Norway	Record daily precipitation	35.9 mm (1.4 in)	24 of 100 (Routine)
Postmyr I Drangedal	Norway	Record daily precipitation	26.2 mm (1.0 in)	24 of 100 (Routine)
Uman	Ukraine	Record high minimum temperature	18.3 C (64.9 F)	24 of 100 (Routine)
Canon City	United States	Record high minimum temperature	21.1 C (70.0 F)	24 of 100 (Routine)
Castle Rock	United States	Record high maximum temperature	35.0 C (95.0 F)	24 of 100 (Routine)

Counts by Type and Timescale

373 records

Records set or tied on 23 July 1964 by type: Highest daily maximum 42, Lowest daily maximum 53, Highest daily minimum 110, Lowest daily minimum 40, Heaviest daily rainfall 128.

Records on 23 July 1964 by type
Record type	Records
Highest daily maximum	42
Lowest daily maximum	53
Highest daily minimum	110
Lowest daily minimum	40
Heaviest daily rainfall	128
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 July 1964 by timescale: all-time 0, monthly 2, daily 371.

How Much Records Were Beaten By

265 broken records

Margins by which the 265 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 56.4. Ties are not counted.

Top 20 by Significance

23 July 1964

Top 20 records on 23 July 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 July 1964	Mapulehu 542, US	daily rain	46.7 mm (1.8 in)	33.0 mm (1.3 in)	30 years	53 of 100 (Notable)
23 July 1964	Porto da Folha, BR	daily rain	37.0 mm (1.5 in)	17.8 mm (0.7 in)	50 years	52 of 100 (Notable)
23 July 1964	Bezenchuk, RU	daily rain	35.6 mm (1.4 in)	23.0 mm (0.9 in)	36 years	51 of 100 (Notable)
23 July 1964	Narsipatnam, IN	daily rain	88.0 mm (3.5 in)	50.2 mm (2.0 in)	39 years	50 of 100 (Notable)
23 July 1964	Perry, US	daily rain	58.4 mm (2.3 in)	38.6 mm (1.5 in)	53 years	48 of 100 (Notable)
23 July 1964	Kalihi Rsch Site 777, US	daily rain	65.5 mm (2.6 in)	40.1 mm (1.6 in)	22 years	47 of 100 (Notable)
23 July 1964	Theethandathanam, IN	daily rain	68.0 mm (2.7 in)	38.8 mm (1.5 in)	54 years	44 of 100 (Notable)
23 July 1964	King City, US	daily rain	61.0 mm (2.4 in)	52.6 mm (2.1 in)	32 years	44 of 100 (Notable)
23 July 1964	Nossa Senhora Das Dores, BR	daily rain	74.2 mm (2.9 in)	29.0 mm (1.1 in)	6 years	43 of 100 (Notable)
23 July 1964	Cambridge Water Trmt P, US	daily rain	93.2 mm (3.7 in)	36.0 mm (1.4 in)	48 years	43 of 100 (Notable)
23 July 1964	Murdo, US	daily rain	35.6 mm (1.4 in)	30.0 mm (1.2 in)	30 years	42 of 100 (Notable)
23 July 1964	Stromsfoss Sluse, NO	daily rain	35.2 mm (1.4 in)	8.2 mm (0.32 in)	77 years	41 of 100 (Notable)
23 July 1964	Mineirolandia, BR	daily rain	55.4 mm (2.2 in)	55.4 mm (2.2 in)	32 years	40 of 100 (Notable)
23 July 1964	Orebro, SE	daily rain	45.0 mm (1.8 in)	13.5 mm (0.5 in)	40 years	40 of 100 (Notable)
23 July 1964	Mulji Vale, AU	daily rain	29.7 mm (1.2 in)	15.5 mm (0.6 in)	6 years	39 of 100 (Notable)
23 July 1964	Island Falls, CA	daily rain	32.3 mm (1.3 in)	23.2 mm (0.9 in)	26 years	39 of 100 (Notable)
23 July 1964	Ft Pierce, US	daily rain	66.3 mm (2.6 in)	36.1 mm (1.4 in)	19 years	37 of 100 (Notable)
23 July 1964	Castelo Do Piaui (Marvao), BR	monthly rain	36.0 mm (1.4 in)	11.0 mm (0.4 in)	33 years	35 of 100 (Notable)
23 July 1964	Baddeck, CA	daily low max	15.6 C (60.1 F)	1.1 C (2.0 F)	79 years	35 of 100 (Notable)
23 July 1964	Kangayam, IN	daily rain	26.0 mm (1.0 in)	16.3 mm (0.6 in)	48 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

1794 to 1964

Records set or tied on this calendar date in each year from 1794 to 1964. 1964 had 373 records.

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

Records on 07-23 in each year
Year	Records
1794	2
1797	1
1804	1
1810	1
1811	2
1832	1
1835	1
1836	2
1838	1
1845	1
1846	2
1851	1
1852	1
1855	2
1856	1
1859	1
1860	1
1861	1
1863	1
1867	1
1868	5
1870	1
1873	2
1875	2
1877	1
1879	2
1880	2
1882	1
1883	1
1884	1
1885	5
1886	1
1887	2
1888	1
1889	5
1890	4
1894	3
1895	7
1896	4
1898	9
1899	5
1900	8
1901	10
1902	6
1903	4
1904	18
1905	11
1906	19
1907	9
1908	15
1909	27
1910	54
1911	37
1912	43
1913	36
1914	59
1915	35
1916	34
1917	42
1918	96
1919	26
1920	40
1921	221
1922	113
1923	104
1924	158
1925	173
1926	266
1927	308
1928	146
1929	174
1930	214
1931	334
1932	232
1933	432
1934	898
1935	329
1936	403
1937	319
1938	354
1939	277
1940	494
1941	292
1942	265
1943	245
1944	350
1945	239
1946	531
1947	1,240
1948	610
1949	453
1950	500
1951	422
1952	788
1953	660
1954	545
1955	585
1956	402
1957	513
1958	633
1959	606
1960	568
1961	937
1962	465
1963	490
1964	373
1965	368
1966	368
1967	347
1968	480
1969	436
1970	935
1971	648
1972	640
1973	798
1974	578
1975	359
1976	425
1977	570
1978	1,064
1979	648
1980	703
1981	1,030
1982	594
1983	1,324
1984	980
1985	711
1986	1,239
1987	1,164
1988	1,124
1989	868
1990	1,033
1991	1,050
1992	1,469
1993	1,466
1994	1,215
1995	827
1996	1,227
1997	1,088
1998	885
1999	846
2000	1,225
2001	1,242
2002	875
2003	1,649
2004	1,148
2005	997
2006	1,757
2007	1,262
2008	1,057
2009	1,069
2010	1,627
2011	1,907
2012	822
2013	648
2014	783
2015	559
2016	760
2017	517
2018	873
2019	786
2020	514
2021	506
2022	707
2023	629
2024	798
2025	917
2026	788

Download the Data

Data for records on 1964-07-23: 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 10	223
10 to 20	23
20 to 30	8
30 to 40	6
40 to 50	1
50 to 60	4