Weather Records on 23 May 1964

964 weather records were set or tied worldwide on 23 May 1964. Highest significance: Watersmeet, US.

Key Facts for 23 May 1964

On 23 May 1964, 964 weather records were set or tied at long-record stations worldwide.
717 were record highs and 134 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 35 monthly and 928 daily.
Watersmeet set a daily record precipitation of 48.3 mm (1.9 in) on 23 May 1964.
Across 158 earlier years (1793 to 2026) the same calendar date averaged 460 records.

Record Map

964 stations

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

Weather records on 23 May 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Watersmeet	United States	Record daily precipitation	48.3 mm (1.9 in)	60 of 100 (Major)
Hakalau 142	United States	Record daily precipitation	86.6 mm (3.4 in)	60 of 100 (Major)
Kotarh	India	Record daily precipitation	61.0 mm (2.4 in)	59 of 100 (Notable)
Honomu Mauka 138	United States	Record daily precipitation	162.6 mm (6.4 in)	56 of 100 (Notable)
Bull Harbour	Canada	Record daily precipitation	33.8 mm (1.3 in)	53 of 100 (Notable)
Two Harbors	United States	Record daily precipitation	77.5 mm (3.1 in)	52 of 100 (Notable)
Ambala	India	Record daily precipitation	29.0 mm (1.1 in)	50 of 100 (Notable)
Bedford	United States	Record daily precipitation	55.6 mm (2.2 in)	50 of 100 (Notable)
Ambala Obsy	India	Record daily precipitation	29.2 mm (1.1 in)	49 of 100 (Notable)
Creston 2 SW	United States	Record daily precipitation	72.1 mm (2.8 in)	49 of 100 (Notable)
Honokane 181.1	United States	Record daily precipitation	74.7 mm (2.9 in)	48 of 100 (Notable)
Marquette	United States	Record daily precipitation	27.7 mm (1.1 in)	47 of 100 (Notable)
Honohina 137	United States	Record daily precipitation	100.1 mm (3.9 in)	45 of 100 (Notable)
Cheboygan	United States	Record high minimum temperature	21.7 C (71.1 F)	44 of 100 (Notable)
Ironwood	United States	Record daily precipitation	40.6 mm (1.6 in)	44 of 100 (Notable)
Naya Shahr	India	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Grand Marais	United States	Record daily precipitation	57.2 mm (2.3 in)	43 of 100 (Notable)
Khunti	India	Record daily precipitation	40.0 mm (1.6 in)	42 of 100 (Notable)
Perpignan	France	Record daily precipitation	43.6 mm (1.7 in)	40 of 100 (Notable)
Saharanpur	India	Record daily precipitation	27.9 mm (1.1 in)	40 of 100 (Notable)
Ixmiquilpan (Smn)	Mexico	Record daily precipitation	86.4 mm (3.4 in)	39 of 100 (Notable)
Mtn View 91	United States	Record daily precipitation	94.2 mm (3.7 in)	39 of 100 (Notable)
Woodstock	Canada	Record high maximum temperature	30.0 C (86.0 F)	38 of 100 (Notable)
Huntingdon	Canada	Record high minimum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Chilton	United States	Record high minimum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Brownsville	United States	Record daily precipitation	26.2 mm (1.0 in)	37 of 100 (Notable)
Baltimore Customs House	United States	Record high minimum temperature	21.1 C (70.0 F)	37 of 100 (Notable)
Philadelphia City	United States	Record high minimum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Marquette	United States	Record high maximum temperature	30.0 C (86.0 F)	36 of 100 (Notable)
Barkerville	Canada	Record daily snowfall	12.2 cm (4.8 in)	35 of 100 (Notable)
Southampton	Canada	Record high minimum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Brockport	United States	Record high minimum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Everett	United States	Record high maximum temperature	36.7 C (98.1 F)	35 of 100 (Notable)
Papaikou 144.1	United States	Record daily precipitation	82.0 mm (3.2 in)	35 of 100 (Notable)
Lucknow	Canada	Record high minimum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Bijnor	India	Record daily precipitation	30.0 mm (1.2 in)	34 of 100 (Routine)
Haina 214	United States	Record daily precipitation	45.2 mm (1.8 in)	34 of 100 (Routine)
Kaumana 88.1	United States	Record daily precipitation	67.1 mm (2.6 in)	34 of 100 (Routine)
Lucknow	Canada	Record high maximum temperature	30.6 C (87.1 F)	33 of 100 (Routine)
Salimpur	India	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Ness City	United States	Record high minimum temperature	21.1 C (70.0 F)	33 of 100 (Routine)
Brule Island	United States	Record daily precipitation	39.6 mm (1.6 in)	33 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high maximum temperature	35.6 C (96.1 F)	33 of 100 (Routine)
Pembroke Eddy Match	Canada	Record high maximum temperature	32.2 C (90.0 F)	32 of 100 (Routine)
Ridgetown	Canada	Record high maximum temperature	30.0 C (86.0 F)	32 of 100 (Routine)
Cambridge Galt Moe	Canada	Record high maximum temperature	30.0 C (86.0 F)	32 of 100 (Routine)
Guelph Oac	Canada	Record high maximum temperature	30.0 C (86.0 F)	32 of 100 (Routine)
Mont-Aigoual	France	Record daily precipitation	121.0 mm (4.8 in)	32 of 100 (Routine)
Gaylord	United States	Record high minimum temperature	18.3 C (64.9 F)	32 of 100 (Routine)
Mackinaw City 2	United States	Record high minimum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Freehold-Marlboro	United States	Record high maximum temperature	34.4 C (93.9 F)	32 of 100 (Routine)
Pembroke Eddy Match	Canada	Record high minimum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Durham	Canada	Record high minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Toronto Agincourt	Canada	Record high minimum temperature	17.8 C (64.0 F)	31 of 100 (Routine)
Greenfield	United States	Record daily precipitation	56.1 mm (2.2 in)	31 of 100 (Routine)
Cambridge	United States	Record high minimum temperature	20.6 C (69.1 F)	31 of 100 (Routine)
N Loup	United States	Record high minimum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Keene	United States	Record high maximum temperature	33.9 C (93.0 F)	31 of 100 (Routine)
Ephrata	United States	Record low minimum temperature	0.6 C (33.1 F)	31 of 100 (Routine)
Manitowoc	United States	Record high minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

964 records

Records set or tied on 23 May 1964 by type: Highest daily maximum 334, Lowest daily maximum 50, Highest daily minimum 383, Lowest daily minimum 84, Heaviest daily rainfall 109, Heaviest daily snowfall 4.

Records on 23 May 1964 by type
Record type	Records
Highest daily maximum	334
Lowest daily maximum	50
Highest daily minimum	383
Lowest daily minimum	84
Heaviest daily rainfall	109
Heaviest daily snowfall	4
Deepest snow cover	0

Records on 23 May 1964 by timescale: all-time 1, monthly 35, daily 928.

How Much Records Were Beaten By

726 broken records

Margins by which the 726 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 114.6. Ties are not counted.

Top 20 by Significance

23 May 1964

Top 20 records on 23 May 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 May 1964	Watersmeet, US	daily rain	48.3 mm (1.9 in)	39.4 mm (1.6 in)	53 years	60 of 100 (Major)
23 May 1964	Hakalau 142, US	daily rain	86.6 mm (3.4 in)	53.8 mm (2.1 in)	59 years	60 of 100 (Major)
23 May 1964	Kotarh, IN	daily rain	61.0 mm (2.4 in)	38.1 mm (1.5 in)	44 years	59 of 100 (Notable)
23 May 1964	Honomu Mauka 138, US	daily rain	162.6 mm (6.4 in)	114.6 mm (4.5 in)	39 years	56 of 100 (Notable)
23 May 1964	Bull Harbour, CA	daily rain	33.8 mm (1.3 in)	26.2 mm (1.0 in)	32 years	53 of 100 (Notable)
23 May 1964	Two Harbors, US	daily rain	77.5 mm (3.1 in)	43.0 mm (1.7 in)	18 years	52 of 100 (Notable)
23 May 1964	Ambala, IN	daily rain	29.0 mm (1.1 in)	27.7 mm (1.1 in)	51 years	50 of 100 (Notable)
23 May 1964	Bedford, US	daily rain	55.6 mm (2.2 in)	41.6 mm (1.6 in)	44 years	50 of 100 (Notable)
23 May 1964	Ambala Obsy, IN	daily rain	29.2 mm (1.1 in)	27.9 mm (1.1 in)	55 years	49 of 100 (Notable)
23 May 1964	Creston 2 SW, US	daily rain	72.1 mm (2.8 in)	38.1 mm (1.5 in)	34 years	49 of 100 (Notable)
23 May 1964	Honokane 181.1, US	daily rain	74.7 mm (2.9 in)	47.3 mm (1.9 in)	56 years	48 of 100 (Notable)
23 May 1964	Marquette, US	daily rain	27.7 mm (1.1 in)	6.4 mm (0.25 in)	104 years	47 of 100 (Notable)
23 May 1964	Honohina 137, US	daily rain	100.1 mm (3.9 in)	47.5 mm (1.9 in)	41 years	45 of 100 (Notable)
23 May 1964	Cheboygan, US	monthly high min	21.7 C (71.1 F)	5.0 C (9.0 F)	53 years	44 of 100 (Notable)
23 May 1964	Ironwood, US	daily rain	40.6 mm (1.6 in)	23.3 mm (0.9 in)	40 years	44 of 100 (Notable)
23 May 1964	Naya Shahr, IN	daily rain	30.5 mm (1.2 in)	25.4 mm (1.0 in)	28 years	43 of 100 (Notable)
23 May 1964	Grand Marais, US	daily rain	57.2 mm (2.3 in)	30.3 mm (1.2 in)	2 years	43 of 100 (Notable)
23 May 1964	Khunti, IN	daily rain	40.0 mm (1.6 in)	28.1 mm (1.1 in)	27 years	42 of 100 (Notable)
23 May 1964	Perpignan, FR	daily rain	43.6 mm (1.7 in)	25.7 mm (1.0 in)	8 years	40 of 100 (Notable)
23 May 1964	Saharanpur, IN	daily rain	27.9 mm (1.1 in)	26.6 mm (1.0 in)	28 years	40 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 964 records.

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

Records on 05-23 in each year
Year	Records
1793	1
1794	1
1798	1
1817	1
1818	1
1837	3
1845	1
1847	2
1857	1
1863	1
1865	2
1866	5
1867	7
1870	2
1871	1
1875	1
1877	1
1878	1
1880	1
1884	2
1885	2
1886	4
1887	1
1889	2
1891	11
1893	3
1894	1
1895	3
1896	4
1897	3
1898	8
1899	3
1900	12
1901	3
1902	12
1903	6
1904	14
1905	10
1906	23
1907	11
1908	13
1909	23
1910	26
1911	39
1912	31
1913	29
1914	33
1915	13
1916	44
1917	58
1918	36
1919	120
1920	37
1921	92
1922	82
1923	99
1924	230
1925	325
1926	204
1927	243
1928	177
1929	221
1930	199
1931	719
1932	358
1933	443
1934	203
1935	369
1936	568
1937	156
1938	390
1939	415
1940	324
1941	676
1942	235
1943	342
1944	784
1945	241
1946	311
1947	285
1948	273
1949	612
1950	490
1951	400
1952	597
1953	777
1954	496
1955	650
1956	498
1957	653
1958	744
1959	486
1960	395
1961	412
1962	677
1963	1,153
1964	964
1965	477
1966	391
1967	1,055
1968	578
1969	437
1970	314
1971	659
1972	449
1973	371
1974	678
1975	855
1976	556
1977	596
1978	703
1979	730
1980	1,202
1981	862
1982	717
1983	1,123
1984	1,027
1985	608
1986	626
1987	745
1988	662
1989	1,106
1990	1,660
1991	1,244
1992	1,423
1993	845
1994	690
1995	1,106
1996	1,114
1997	983
1998	947
1999	705
2000	1,372
2001	1,441
2002	1,537
2003	954
2004	1,275
2005	908
2006	1,122
2007	1,170
2008	1,472
2009	805
2010	1,275
2011	1,001
2012	1,006
2013	929
2014	858
2015	667
2016	679
2017	602
2018	552
2019	1,044
2020	631
2021	837
2022	807
2023	316
2024	760
2025	865
2026	804

Download the Data

Data for records on 1964-05-23: 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	696
20 to 40	21
40 to 60	7
60 to 80	1
80 to 100	0
100 to 120	1