Weather Records on 22 May 1964

775 weather records were set or tied worldwide on 22 May 1964. Highest significance: Hamirpur, IN.

Key Facts for 22 May 1964

On 22 May 1964, 775 weather records were set or tied at long-record stations worldwide.
552 were record highs and 81 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 31 monthly and 743 daily.
Hamirpur set a daily record precipitation of 43.0 mm (1.7 in) on 22 May 1964.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 444 records.

Record Map

775 stations

775 station records on 22 May 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 22 May 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hamirpur	India	Record daily precipitation	43.0 mm (1.7 in)	58 of 100 (Notable)
Salimpur	India	Record daily precipitation	38.1 mm (1.5 in)	56 of 100 (Notable)
Beaver Is	United States	Record daily precipitation	78.0 mm (3.1 in)	54 of 100 (Notable)
Tororo	Uganda	Record daily precipitation	84.4 mm (3.3 in)	49 of 100 (Notable)
Ada	United States	Record high minimum temperature	25.6 C (78.1 F)	46 of 100 (Notable)
Barharwa	India	Record daily precipitation	58.4 mm (2.3 in)	45 of 100 (Notable)
Parsa	India	Record daily precipitation	95.3 mm (3.8 in)	44 of 100 (Notable)
San Juan de Los Llanos	Mexico	Record daily precipitation	35.3 mm (1.4 in)	44 of 100 (Notable)
Snoqualmie Pass	United States	Record daily snowfall	20.3 cm (8.0 in)	44 of 100 (Notable)
Kulu	India	Record daily precipitation	39.6 mm (1.6 in)	43 of 100 (Notable)
Rajauli	India	Record daily precipitation	32.5 mm (1.3 in)	41 of 100 (Notable)
Shimla	India	Record daily precipitation	46.0 mm (1.8 in)	41 of 100 (Notable)
Nawadah	India	Record daily precipitation	62.6 mm (2.5 in)	39 of 100 (Notable)
Joshimath	India	Record daily precipitation	30.5 mm (1.2 in)	39 of 100 (Notable)
Bumping Lake	United States	Record daily precipitation	27.2 mm (1.1 in)	39 of 100 (Notable)
Langet	India	Record daily precipitation	44.4 mm (1.7 in)	36 of 100 (Notable)
Boulder	United States	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Wisconsin Rapids	United States	Record high minimum temperature	19.4 C (66.9 F)	36 of 100 (Notable)
Bisalpur	India	Record daily precipitation	25.4 mm (1.0 in)	35 of 100 (Notable)
Northdown (Hamley)	Australia	Record daily precipitation	39.9 mm (1.6 in)	34 of 100 (Routine)
Barachatti	India	Record daily precipitation	41.8 mm (1.6 in)	34 of 100 (Routine)
Kilba	India	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Mackinaw City 2	United States	Record high minimum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Dom Mauricio	Brazil	Record daily precipitation	60.0 mm (2.4 in)	33 of 100 (Routine)
Jeremoabo	Brazil	Record daily precipitation	44.6 mm (1.8 in)	33 of 100 (Routine)
Chilliwack	Canada	Record low maximum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Chilton	United States	Record high minimum temperature	19.4 C (66.9 F)	33 of 100 (Routine)
Hajipur	India	Record daily precipitation	36.9 mm (1.5 in)	32 of 100 (Routine)
Nanpara	India	Record daily precipitation	30.1 mm (1.2 in)	32 of 100 (Routine)
Iron Mtn-Kingsford Wwtp	United States	Record high minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Acude Sobral	Brazil	Record daily precipitation	46.9 mm (1.8 in)	31 of 100 (Routine)
Iraucuba	Brazil	Record daily precipitation	34.0 mm (1.3 in)	31 of 100 (Routine)
Fortaleza	Brazil	Record daily precipitation	83.1 mm (3.3 in)	31 of 100 (Routine)
Birtle	Canada	Record high minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Banjar(Saraj-Teh)	India	Record daily precipitation	48.2 mm (1.9 in)	31 of 100 (Routine)
Bironkhol	India	Record daily precipitation	25.4 mm (1.0 in)	30 of 100 (Routine)
Hampton	United States	Record high minimum temperature	19.4 C (66.9 F)	30 of 100 (Routine)
Ironwood	United States	Record high minimum temperature	20.0 C (68.0 F)	30 of 100 (Routine)
Ft Duchesne	United States	Record high maximum temperature	31.7 C (89.1 F)	30 of 100 (Routine)
Atlin	Canada	Record daily snowfall	8.4 cm (3.3 in)	29 of 100 (Routine)
Red Lake Indian Agcy	United States	Record high maximum temperature	35.0 C (95.0 F)	29 of 100 (Routine)
Talkeetna AP	United States	Record daily snowfall	6.6 cm (2.6 in)	29 of 100 (Routine)
Cape Sorell	Australia	Record daily precipitation	25.7 mm (1.0 in)	28 of 100 (Routine)
Caucaia	Brazil	Record daily precipitation	126.0 mm (5.0 in)	28 of 100 (Routine)
Katoria	India	Record daily precipitation	35.0 mm (1.4 in)	28 of 100 (Routine)
Walnut	United States	Record high minimum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
Sibley	United States	Record high maximum temperature	32.8 C (91.0 F)	28 of 100 (Routine)
Beardsley	United States	Record high minimum temperature	22.2 C (72.0 F)	28 of 100 (Routine)
Grand Rapids Forestry Lab	United States	Record high minimum temperature	19.4 C (66.9 F)	28 of 100 (Routine)
Eagle	United States	Record low maximum temperature	6.7 C (44.1 F)	28 of 100 (Routine)
Toronto	Canada	Record high maximum temperature	33.3 C (91.9 F)	27 of 100 (Routine)
Sherghati	India	Record daily precipitation	29.0 mm (1.1 in)	27 of 100 (Routine)
Calcutta/Barracks	India	Record daily precipitation	50.0 mm (2.0 in)	27 of 100 (Routine)
Castle Rock	United States	Record high maximum temperature	29.4 C (84.9 F)	27 of 100 (Routine)
Decorah	United States	Record high minimum temperature	18.9 C (66.0 F)	27 of 100 (Routine)
Plainville 4WNW	United States	Record high maximum temperature	36.1 C (97.0 F)	27 of 100 (Routine)
Pokegama Dam	United States	Record high maximum temperature	32.8 C (91.0 F)	27 of 100 (Routine)
Beaver City	United States	Record high maximum temperature	37.8 C (100.0 F)	27 of 100 (Routine)
Cambridge	United States	Record high maximum temperature	35.0 C (95.0 F)	27 of 100 (Routine)
Loup City	United States	Record high maximum temperature	35.0 C (95.0 F)	27 of 100 (Routine)

Counts by Type and Timescale

775 records

Records set or tied on 22 May 1964 by type: Highest daily maximum 317, Lowest daily maximum 53, Highest daily minimum 235, Lowest daily minimum 28, Heaviest daily rainfall 132, Heaviest daily snowfall 10.

Records on 22 May 1964 by type
Record type	Records
Highest daily maximum	317
Lowest daily maximum	53
Highest daily minimum	235
Lowest daily minimum	28
Heaviest daily rainfall	132
Heaviest daily snowfall	10
Deepest snow cover	0

Records on 22 May 1964 by timescale: all-time 1, monthly 31, daily 743.

How Much Records Were Beaten By

595 broken records

Margins by which the 595 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

22 May 1964

Top 20 records on 22 May 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 May 1964	Hamirpur, IN	daily rain	43.0 mm (1.7 in)	40.2 mm (1.6 in)	41 years	58 of 100 (Notable)
22 May 1964	Salimpur, IN	daily rain	38.1 mm (1.5 in)	31.7 mm (1.2 in)	47 years	56 of 100 (Notable)
22 May 1964	Beaver Is, US	all-time rain	78.0 mm (3.1 in)	12.7 mm (0.5 in)	48 years	54 of 100 (Notable)
22 May 1964	Tororo, UG	daily rain	84.4 mm (3.3 in)	50.1 mm (2.0 in)	31 years	49 of 100 (Notable)
22 May 1964	Ada, US	monthly high min	25.6 C (78.1 F)	4.5 C (8.1 F)	70 years	46 of 100 (Notable)
22 May 1964	Barharwa, IN	daily rain	58.4 mm (2.3 in)	41.9 mm (1.6 in)	36 years	45 of 100 (Notable)
22 May 1964	Parsa, IN	monthly rain	95.3 mm (3.8 in)	31.8 mm (1.3 in)	11 years	44 of 100 (Notable)
22 May 1964	San Juan de Los Llanos, MX	daily rain	35.3 mm (1.4 in)	24.1 mm (0.9 in)	33 years	44 of 100 (Notable)
22 May 1964	Snoqualmie Pass, US	daily snowfall	20.3 cm (8.0 in)	15.2 cm (6.0 in)	48 years	44 of 100 (Notable)
22 May 1964	Kulu, IN	daily rain	39.6 mm (1.6 in)	21.3 mm (0.8 in)	38 years	43 of 100 (Notable)
22 May 1964	Rajauli, IN	daily rain	32.5 mm (1.3 in)	28.7 mm (1.1 in)	38 years	41 of 100 (Notable)
22 May 1964	Shimla, IN	daily rain	46.0 mm (1.8 in)	21.1 mm (0.8 in)	38 years	41 of 100 (Notable)
22 May 1964	Nawadah, IN	daily rain	62.6 mm (2.5 in)	37.2 mm (1.5 in)	16 years	39 of 100 (Notable)
22 May 1964	Joshimath, IN	daily rain	30.5 mm (1.2 in)	18.3 mm (0.7 in)	11 years	39 of 100 (Notable)
22 May 1964	Bumping Lake, US	daily rain	27.2 mm (1.1 in)	15.0 mm (0.6 in)	19 years	39 of 100 (Notable)
22 May 1964	Langet, IN	daily rain	44.4 mm (1.7 in)	26.4 mm (1.0 in)	29 years	36 of 100 (Notable)
22 May 1964	Boulder, US	daily high min	18.9 C (66.0 F)	5.0 C (9.0 F)	57 years	36 of 100 (Notable)
22 May 1964	Wisconsin Rapids, US	daily high min	19.4 C (66.9 F)	6.6 C (11.9 F)	58 years	36 of 100 (Notable)
22 May 1964	Bisalpur, IN	daily rain	25.4 mm (1.0 in)	10.4 mm (0.4 in)	63 years	35 of 100 (Notable)
22 May 1964	Northdown (Hamley), AU	daily rain	39.9 mm (1.6 in)	14.5 mm (0.6 in)	37 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

1806 to 1964

Records set or tied on this calendar date in each year from 1806 to 1964. 1964 had 775 records.

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

Records on 05-22 in each year
Year	Records
1806	1
1837	4
1840	1
1841	1
1845	1
1846	1
1847	2
1857	1
1861	1
1862	1
1864	1
1865	1
1866	5
1867	3
1870	2
1872	1
1874	2
1875	1
1877	1
1881	1
1883	3
1885	1
1886	5
1887	3
1889	2
1890	4
1891	1
1892	2
1894	3
1895	2
1896	5
1897	3
1898	3
1899	3
1900	2
1901	3
1902	5
1903	7
1904	6
1905	11
1906	15
1907	45
1908	20
1909	19
1910	6
1911	77
1912	20
1913	15
1914	30
1915	23
1916	22
1917	43
1918	50
1919	402
1920	27
1921	85
1922	60
1923	63
1924	196
1925	382
1926	165
1927	250
1928	168
1929	210
1930	121
1931	489
1932	306
1933	307
1934	292
1935	162
1936	490
1937	192
1938	313
1939	407
1940	364
1941	640
1942	379
1943	385
1944	490
1945	334
1946	277
1947	340
1948	322
1949	534
1950	456
1951	294
1952	442
1953	632
1954	558
1955	556
1956	617
1957	774
1958	584
1959	713
1960	455
1961	446
1962	662
1963	1,149
1964	775
1965	367
1966	434
1967	1,222
1968	502
1969	593
1970	306
1971	479
1972	462
1973	446
1974	613
1975	772
1976	476
1977	648
1978	558
1979	674
1980	997
1981	1,427
1982	558
1983	1,025
1984	907
1985	736
1986	724
1987	810
1988	641
1989	722
1990	1,193
1991	1,200
1992	1,159
1993	922
1994	517
1995	823
1996	1,139
1997	1,154
1998	995
1999	610
2000	1,124
2001	1,371
2002	2,020
2003	822
2004	1,111
2005	1,002
2006	1,174
2007	1,113
2008	967
2009	1,075
2010	1,051
2011	745
2012	1,039
2013	1,216
2014	828
2015	938
2016	807
2017	613
2018	495
2019	1,372
2020	631
2021	915
2022	1,248
2023	400
2024	861
2025	778
2026	473

Download the Data

Data for records on 1964-05-22: 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	569
20 to 40	19
40 to 60	4
60 to 80	2
80 to 100	0
100 to 120	0
120 to 140	0
140 to 160	1