Weather Records on 23 April 1964

958 weather records were set or tied worldwide on 23 April 1964. Highest significance: Malvern, US.

Key Facts for 23 April 1964

On 23 April 1964, 958 weather records were set or tied at long-record stations worldwide.
83 were record highs and 148 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 943 daily.
Malvern set a daily record precipitation of 94.2 mm (3.7 in) on 23 April 1964.
Across 167 earlier years (1800 to 2026) the same calendar date averaged 442 records.

Record Map

958 stations

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

Weather records on 23 April 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Malvern	United States	Record daily precipitation	94.2 mm (3.7 in)	72 of 100 (Major)
Maryland	Australia	Record daily precipitation	64.8 mm (2.6 in)	69 of 100 (Major)
Grafton City Council	Australia	Record daily precipitation	93.0 mm (3.7 in)	66 of 100 (Major)
Pratten	Australia	Record daily precipitation	67.3 mm (2.6 in)	60 of 100 (Major)
Dalmorton Homestead	Australia	Record daily precipitation	88.9 mm (3.5 in)	60 of 100 (Major)
Boonah Stark Ave	Australia	Record daily precipitation	56.6 mm (2.2 in)	59 of 100 (Notable)
Blackville (Welton Dale)	Australia	Record daily precipitation	83.8 mm (3.3 in)	59 of 100 (Notable)
Dundee (Rangers Valley)	Australia	Record daily precipitation	45.7 mm (1.8 in)	58 of 100 (Notable)
Chunar	India	Record daily precipitation	27.4 mm (1.1 in)	58 of 100 (Notable)
Bryn Euryn	Australia	Record daily precipitation	88.4 mm (3.5 in)	57 of 100 (Notable)
Englesberg Village	Australia	Record daily precipitation	57.4 mm (2.3 in)	57 of 100 (Notable)
Dalveen	Australia	Record daily precipitation	60.5 mm (2.4 in)	55 of 100 (Notable)
Countegany	Australia	Record daily precipitation	42.9 mm (1.7 in)	55 of 100 (Notable)
Thornton Bvrt	Australia	Record daily precipitation	64.8 mm (2.6 in)	54 of 100 (Notable)
Weetaliba (Weetalabah)	Australia	Record daily precipitation	49.8 mm (2.0 in)	53 of 100 (Notable)
Mackay Lost Rvr Rs	United States	Record daily snowfall	12.7 cm (5.0 in)	53 of 100 (Notable)
Westbrook	Australia	Record daily precipitation	36.1 mm (1.4 in)	52 of 100 (Notable)
Goolgumbla	Australia	Record daily precipitation	33.8 mm (1.3 in)	52 of 100 (Notable)
Leyburn Post Office	Australia	Record daily precipitation	49.0 mm (1.9 in)	51 of 100 (Notable)
Yangan Post Office	Australia	Record daily precipitation	38.9 mm (1.5 in)	51 of 100 (Notable)
Nymboida (Armidale Road)	Australia	Record daily precipitation	56.1 mm (2.2 in)	51 of 100 (Notable)
Bemboka Post Office	Australia	Record daily precipitation	93.2 mm (3.7 in)	51 of 100 (Notable)
Cathcart (Old Post Office)	Australia	Record daily precipitation	59.9 mm (2.4 in)	51 of 100 (Notable)
Kempsey (Wide Street)	Australia	Record daily precipitation	93.7 mm (3.7 in)	50 of 100 (Notable)
Osage City	United States	Record daily precipitation	71.9 mm (2.8 in)	50 of 100 (Notable)
Savannah 6 SW	United States	Record daily precipitation	81.8 mm (3.2 in)	50 of 100 (Notable)
Archerfield Airport	Australia	Record daily precipitation	61.0 mm (2.4 in)	49 of 100 (Notable)
Ft Bidwell	United States	Record low minimum temperature	-12.2 C (10.0 F)	49 of 100 (Notable)
Harrisville Post Office	Australia	Record daily precipitation	48.5 mm (1.9 in)	48 of 100 (Notable)
Emu Creek	Australia	Record daily precipitation	42.2 mm (1.7 in)	48 of 100 (Notable)
Coolesha	Australia	Record daily precipitation	50.3 mm (2.0 in)	48 of 100 (Notable)
Tannymorel	Australia	Record daily precipitation	40.6 mm (1.6 in)	48 of 100 (Notable)
Glengallan	Australia	Record daily precipitation	42.2 mm (1.7 in)	47 of 100 (Notable)
South Grafton Post Office	Australia	Record daily precipitation	84.3 mm (3.3 in)	47 of 100 (Notable)
Warwick Post Office	Australia	Record daily precipitation	39.1 mm (1.5 in)	46 of 100 (Notable)
Cobar (Taringo Downs)	Australia	Record daily precipitation	41.1 mm (1.6 in)	46 of 100 (Notable)
Cobargo Post Office	Australia	Record daily precipitation	74.4 mm (2.9 in)	46 of 100 (Notable)
Almora	India	Record daily precipitation	69.1 mm (2.7 in)	46 of 100 (Notable)
Windsor	United States	Record daily precipitation	41.9 mm (1.6 in)	46 of 100 (Notable)
Roadvale Post Office	Australia	Record daily precipitation	45.2 mm (1.8 in)	45 of 100 (Notable)
Mt Tamborine Fern St	Australia	Record daily precipitation	60.7 mm (2.4 in)	45 of 100 (Notable)
Yelarbon Post Office	Australia	Record daily precipitation	38.9 mm (1.5 in)	45 of 100 (Notable)
Old Koreelah (White Swamp (Ede	Australia	Record daily precipitation	43.2 mm (1.7 in)	45 of 100 (Notable)
Cooma (Carlaminda)	Australia	Record daily precipitation	29.2 mm (1.1 in)	45 of 100 (Notable)
Missoula 6 NW WFO	United States	Record daily snowfall	10.2 cm (4.0 in)	45 of 100 (Notable)
Waterville	United States	Record daily snowfall	8.6 cm (3.4 in)	45 of 100 (Notable)
Gulargambone (Emby)	Australia	Record daily precipitation	51.3 mm (2.0 in)	44 of 100 (Notable)
Willow Tree (Valais)	Australia	Record daily precipitation	62.5 mm (2.5 in)	44 of 100 (Notable)
Copmanhurst Post Office	Australia	Record daily precipitation	63.5 mm (2.5 in)	44 of 100 (Notable)
Ulmarra (Newsagency)	Australia	Record daily precipitation	97.8 mm (3.9 in)	44 of 100 (Notable)
Glen Royal	Australia	Record daily precipitation	38.6 mm (1.5 in)	43 of 100 (Notable)
Bonshaw (Campbell St)	Australia	Record daily precipitation	31.0 mm (1.2 in)	43 of 100 (Notable)
Lynway	Australia	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Grandchester Symes St	Australia	Record daily precipitation	39.4 mm (1.6 in)	42 of 100 (Notable)
Killarney Post Office	Australia	Record daily precipitation	29.0 mm (1.1 in)	42 of 100 (Notable)
Warroo (Geeron)	Australia	Record daily precipitation	87.6 mm (3.4 in)	42 of 100 (Notable)
Barraba (Neranghi)	Australia	Record daily precipitation	34.0 mm (1.3 in)	42 of 100 (Notable)
Glen Innes Ag Research STN	Australia	Record daily precipitation	30.5 mm (1.2 in)	42 of 100 (Notable)
Moruya Heads Pilot Station	Australia	Record daily precipitation	58.4 mm (2.3 in)	42 of 100 (Notable)
Lintlaw	Canada	Record daily precipitation	32.3 mm (1.3 in)	42 of 100 (Notable)

Counts by Type and Timescale

958 records

Records set or tied on 23 April 1964 by type: Highest daily maximum 33, Lowest daily maximum 92, Highest daily minimum 50, Lowest daily minimum 56, Heaviest daily rainfall 677, Heaviest daily snowfall 41, Deepest snow cover 9.

Records on 23 April 1964 by type
Record type	Records
Highest daily maximum	33
Lowest daily maximum	92
Highest daily minimum	50
Lowest daily minimum	56
Heaviest daily rainfall	677
Heaviest daily snowfall	41
Deepest snow cover	9

Records on 23 April 1964 by timescale: all-time 0, monthly 15, daily 943.

How Much Records Were Beaten By

854 broken records

Margins by which the 854 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

23 April 1964

Top 20 records on 23 April 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 April 1964	Malvern, US	daily rain	94.2 mm (3.7 in)	68.8 mm (2.7 in)	80 years	72 of 100 (Major)
23 April 1964	Maryland, AU	daily rain	64.8 mm (2.6 in)	49.6 mm (2.0 in)	67 years	69 of 100 (Major)
23 April 1964	Grafton City Council, AU	daily rain	93.0 mm (3.7 in)	47.3 mm (1.9 in)	89 years	66 of 100 (Major)
23 April 1964	Pratten, AU	daily rain	67.3 mm (2.6 in)	64.8 mm (2.6 in)	49 years	60 of 100 (Major)
23 April 1964	Dalmorton Homestead, AU	daily rain	88.9 mm (3.5 in)	58.2 mm (2.3 in)	49 years	60 of 100 (Major)
23 April 1964	Boonah Stark Ave, AU	daily rain	56.6 mm (2.2 in)	47.7 mm (1.9 in)	44 years	59 of 100 (Notable)
23 April 1964	Blackville (Welton Dale), AU	daily rain	83.8 mm (3.3 in)	42.1 mm (1.7 in)	67 years	59 of 100 (Notable)
23 April 1964	Dundee (Rangers Valley), AU	daily rain	45.7 mm (1.8 in)	34.0 mm (1.3 in)	49 years	58 of 100 (Notable)
23 April 1964	Chunar, IN	daily rain	27.4 mm (1.1 in)	27.4 mm (1.1 in)	63 years	58 of 100 (Notable)
23 April 1964	Bryn Euryn, AU	daily rain	88.4 mm (3.5 in)	64.3 mm (2.5 in)	44 years	57 of 100 (Notable)
23 April 1964	Englesberg Village, AU	daily rain	57.4 mm (2.3 in)	49.8 mm (2.0 in)	44 years	57 of 100 (Notable)
23 April 1964	Dalveen, AU	daily rain	60.5 mm (2.4 in)	43.0 mm (1.7 in)	44 years	55 of 100 (Notable)
23 April 1964	Countegany, AU	daily rain	42.9 mm (1.7 in)	36.3 mm (1.4 in)	61 years	55 of 100 (Notable)
23 April 1964	Thornton Bvrt, AU	daily rain	64.8 mm (2.6 in)	59.7 mm (2.4 in)	36 years	54 of 100 (Notable)
23 April 1964	Weetaliba (Weetalabah), AU	daily rain	49.8 mm (2.0 in)	40.7 mm (1.6 in)	61 years	53 of 100 (Notable)
23 April 1964	Mackay Lost Rvr Rs, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	56 years	53 of 100 (Notable)
23 April 1964	Westbrook, AU	daily rain	36.1 mm (1.4 in)	33.6 mm (1.3 in)	46 years	52 of 100 (Notable)
23 April 1964	Goolgumbla, AU	daily rain	33.8 mm (1.3 in)	21.6 mm (0.9 in)	64 years	52 of 100 (Notable)
23 April 1964	Leyburn Post Office, AU	daily rain	49.0 mm (1.9 in)	35.0 mm (1.4 in)	56 years	51 of 100 (Notable)
23 April 1964	Yangan Post Office, AU	daily rain	38.9 mm (1.5 in)	30.0 mm (1.2 in)	49 years	51 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

1800 to 1964

Records set or tied on this calendar date in each year from 1800 to 1964. 1964 had 958 records.

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

Records on 04-23 in each year
Year	Records
1800	1
1809	1
1812	1
1817	3
1838	1
1840	1
1842	1
1851	1
1852	2
1854	1
1855	5
1857	2
1859	1
1861	1
1865	1
1868	2
1870	1
1872	1
1873	4
1874	4
1875	1
1877	1
1878	1
1879	1
1881	2
1882	1
1883	2
1884	3
1885	4
1886	4
1888	1
1889	1
1890	4
1891	2
1892	1
1893	2
1895	3
1896	4
1897	2
1898	1
1899	6
1900	4
1901	9
1902	12
1903	20
1904	8
1905	7
1906	23
1907	12
1908	14
1909	28
1910	35
1911	21
1912	29
1913	40
1914	71
1915	41
1916	35
1917	37
1918	92
1919	66
1920	75
1921	81
1922	45
1923	132
1924	111
1925	506
1926	124
1927	562
1928	302
1929	103
1930	487
1931	506
1932	231
1933	361
1934	272
1935	152
1936	342
1937	321
1938	177
1939	339
1940	319
1941	277
1942	473
1943	819
1944	678
1945	364
1946	649
1947	242
1948	401
1949	401
1950	577
1951	426
1952	500
1953	300
1954	548
1955	654
1956	581
1957	623
1958	649
1959	442
1960	1,648
1961	884
1962	389
1963	801
1964	958
1965	660
1966	386
1967	1,183
1968	816
1969	705
1970	1,209
1971	508
1972	332
1973	518
1974	486
1975	411
1976	386
1977	979
1978	523
1979	554
1980	1,460
1981	1,124
1982	1,191
1983	1,031
1984	971
1985	1,011
1986	1,541
1987	676
1988	1,051
1989	1,469
1990	1,077
1991	638
1992	592
1993	1,256
1994	666
1995	1,464
1996	1,520
1997	1,024
1998	1,446
1999	1,198
2000	1,003
2001	1,435
2002	971
2003	557
2004	610
2005	940
2006	839
2007	847
2008	775
2009	920
2010	1,040
2011	1,190
2012	1,796
2013	1,655
2014	362
2015	511
2016	542
2017	474
2018	684
2019	668
2020	564
2021	562
2022	692
2023	980
2024	583
2025	410
2026	503

Download the Data

Data for records on 1964-04-23: 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 25	722
25 to 50	96
50 to 75	24
75 to 100	5
100 to 125	1
125 to 150	2
150 to 175	3
175 to 200	1