Weather Records on 21 February 1964

357 weather records were set or tied worldwide on 21 February 1964. Highest significance: Ai-Petri, UA.

Key Facts for 21 February 1964

On 21 February 1964, 357 weather records were set or tied at long-record stations worldwide.
82 were record highs and 114 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 20 monthly and 336 daily.
Ai-Petri set a daily record precipitation of 69.8 mm (2.7 in) on 21 February 1964.
Across 164 earlier years (1795 to 2026) the same calendar date averaged 502 records.

Record Map

357 stations

357 station records on 21 February 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 February 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ai-Petri	Ukraine	Record daily precipitation	69.8 mm (2.7 in)	66 of 100 (Major)
Hosdurg	India	Record daily precipitation	52.1 mm (2.1 in)	64 of 100 (Major)
Yalta	Ukraine	Record daily precipitation	44.8 mm (1.8 in)	61 of 100 (Major)
Lampasas	United States	Record daily snowfall	17.8 cm (7.0 in)	61 of 100 (Major)
Temple	United States	Record daily snowfall	12.7 cm (5.0 in)	53 of 100 (Notable)
Menard	United States	Record daily snowfall	10.2 cm (4.0 in)	47 of 100 (Notable)
Temple	United States	Record snow depth	12.7 cm (5.0 in)	47 of 100 (Notable)
Yakutat AP	United States	Record daily precipitation	91.9 mm (3.6 in)	45 of 100 (Notable)
Lampasas	United States	Record snow depth	17.8 cm (7.0 in)	43 of 100 (Notable)
New Braunfels	United States	Record daily snowfall	6.4 cm (2.5 in)	39 of 100 (Notable)
Swan River	Canada	Record daily snowfall	7.6 cm (3.0 in)	37 of 100 (Notable)
Ballinger 2 NW	United States	Record daily snowfall	5.1 cm (2.0 in)	36 of 100 (Notable)
Sao Jose de Mipibu	Brazil	Record daily precipitation	65.2 mm (2.6 in)	33 of 100 (Routine)
Roswell Muni AP	United States	Record low minimum temperature	-16.7 C (1.9 F)	33 of 100 (Routine)
Acude Sobral	Brazil	Record daily precipitation	51.7 mm (2.0 in)	32 of 100 (Routine)
Crescent City 3 NNW	United States	Record high maximum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
Silver City	United States	Record daily snowfall	12.7 cm (5.0 in)	32 of 100 (Routine)
Magdalena	United States	Record daily snowfall	15.2 cm (6.0 in)	31 of 100 (Routine)
Cambooya Post Office	Australia	Record daily precipitation	59.4 mm (2.3 in)	30 of 100 (Routine)
Sheffield	United Kingdom	Record low minimum temperature	-5.6 C (21.9 F)	30 of 100 (Routine)
Paonia 1SW	United States	Record low minimum temperature	-16.7 C (1.9 F)	30 of 100 (Routine)
Hamlin 1SW	United States	Record daily snowfall	5.1 cm (2.0 in)	30 of 100 (Routine)
Saint Paul Is AP	United States	Record daily snowfall	15.2 cm (6.0 in)	30 of 100 (Routine)
Georgetown Post Office	Australia	Record low minimum temperature	18.9 C (66.0 F)	29 of 100 (Routine)
Nova Cruz	Brazil	Record daily precipitation	32.0 mm (1.3 in)	29 of 100 (Routine)
Nanaimo	Canada	Record high maximum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
Piranhas (Marechal Floriano)	Brazil	Record daily precipitation	40.5 mm (1.6 in)	28 of 100 (Routine)
Kamloops	Canada	Record high maximum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
Donaldsonville 4 SW	United States	Record low maximum temperature	7.2 C (45.0 F)	28 of 100 (Routine)
Piqua	United States	Record snow depth	12.7 cm (5.0 in)	28 of 100 (Routine)
Smithville	United States	Record daily snowfall	6.4 cm (2.5 in)	28 of 100 (Routine)
New Orleans Audubon	United States	Record low maximum temperature	8.9 C (48.0 F)	28 of 100 (Routine)
Roswell Muni AP	United States	Record snow depth	10.2 cm (4.0 in)	28 of 100 (Routine)
Langsloot	South Africa	Record daily precipitation	55.0 mm (2.2 in)	27 of 100 (Routine)
Mescalero	United States	Record low minimum temperature	-18.3 C (-0.9 F)	27 of 100 (Routine)
Carnaubas	Brazil	Record daily precipitation	40.3 mm (1.6 in)	26 of 100 (Routine)
Palpan	Mexico	Record high maximum temperature	35.6 C (96.1 F)	26 of 100 (Routine)
Marysville	United States	Record high maximum temperature	25.0 C (77.0 F)	26 of 100 (Routine)
Deming	United States	Record low minimum temperature	-13.3 C (8.1 F)	26 of 100 (Routine)
Tierra Amarilla 4 N	United States	Record daily snowfall	12.7 cm (5.0 in)	26 of 100 (Routine)
Floresville	United States	Record daily snowfall	7.1 cm (2.8 in)	26 of 100 (Routine)
Seguin	United States	Record daily snowfall	8.9 cm (3.5 in)	26 of 100 (Routine)
Lovell	United States	Record daily snowfall	5.6 cm (2.2 in)	25 of 100 (Routine)
Ceara-Mirim	Brazil	Record daily precipitation	31.6 mm (1.2 in)	24 of 100 (Routine)
Sion	Canada	Record high minimum temperature	0.0 C (32.0 F)	24 of 100 (Routine)
Chula Vista	United States	Record high maximum temperature	24.4 C (75.9 F)	24 of 100 (Routine)
Healdsburg	United States	Record high maximum temperature	24.4 C (75.9 F)	24 of 100 (Routine)
Hatch	United States	Record low maximum temperature	3.3 C (37.9 F)	24 of 100 (Routine)
Brackettville	United States	Record low minimum temperature	-4.4 C (24.1 F)	24 of 100 (Routine)
Crosbyton	United States	Record low minimum temperature	-12.8 C (9.0 F)	24 of 100 (Routine)
Pickens 1	United States	Record daily snowfall	33.0 cm (13.0 in)	24 of 100 (Routine)
Ramos Arizpe (Smn)	Mexico	Record low maximum temperature	6.7 C (44.1 F)	23 of 100 (Routine)
Scotia	United States	Record high maximum temperature	26.1 C (79.0 F)	23 of 100 (Routine)
Valdosta 2 S	United States	Record low maximum temperature	10.6 C (51.1 F)	23 of 100 (Routine)
Wyola 1 SW	United States	Record daily snowfall	7.6 cm (3.0 in)	23 of 100 (Routine)
Wells	United States	Record low minimum temperature	-19.4 C (-2.9 F)	23 of 100 (Routine)
Jarrell	United States	Record daily snowfall	12.7 cm (5.0 in)	23 of 100 (Routine)
Atlin	Canada	Record high maximum temperature	5.0 C (41.0 F)	22 of 100 (Routine)
Graton	United States	Record high maximum temperature	25.0 C (77.0 F)	22 of 100 (Routine)
Rocklin	United States	Record high maximum temperature	22.8 C (73.0 F)	22 of 100 (Routine)

Counts by Type and Timescale

357 records

Records set or tied on 21 February 1964 by type: Highest daily maximum 52, Lowest daily maximum 53, Highest daily minimum 30, Lowest daily minimum 61, Heaviest daily rainfall 68, Heaviest daily snowfall 58, Deepest snow cover 35.

Records on 21 February 1964 by type
Record type	Records
Highest daily maximum	52
Lowest daily maximum	53
Highest daily minimum	30
Lowest daily minimum	61
Heaviest daily rainfall	68
Heaviest daily snowfall	58
Deepest snow cover	35

Records on 21 February 1964 by timescale: all-time 1, monthly 20, daily 336.

How Much Records Were Beaten By

292 broken records

Margins by which the 292 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

21 February 1964

Top 20 records on 21 February 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 February 1964	Ai-Petri, UA	daily rain	69.8 mm (2.7 in)	42.5 mm (1.7 in)	65 years	66 of 100 (Major)
21 February 1964	Hosdurg, IN	daily rain	52.1 mm (2.1 in)	52.1 mm (2.1 in)	62 years	64 of 100 (Major)
21 February 1964	Yalta, UA	daily rain	44.8 mm (1.8 in)	30.1 mm (1.2 in)	44 years	61 of 100 (Major)
21 February 1964	Lampasas, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	66 years	61 of 100 (Major)
21 February 1964	Temple, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	70 years	53 of 100 (Notable)
21 February 1964	Menard, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	68 years	47 of 100 (Notable)
21 February 1964	Temple, US	monthly snow depth	12.7 cm (5.0 in)	10.2 cm (4.0 in)	69 years	47 of 100 (Notable)
21 February 1964	Yakutat AP, US	daily rain	91.9 mm (3.6 in)	49.2 mm (1.9 in)	24 years	45 of 100 (Notable)
21 February 1964	Lampasas, US	daily snow depth	17.8 cm (7.0 in)	17.8 cm (7.0 in)	66 years	43 of 100 (Notable)
21 February 1964	New Braunfels, US	daily snowfall	6.4 cm (2.5 in)	6.4 cm (2.5 in)	68 years	39 of 100 (Notable)
21 February 1964	Swan River, CA	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	53 years	37 of 100 (Notable)
21 February 1964	Ballinger 2 NW, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	66 years	36 of 100 (Notable)
21 February 1964	Sao Jose de Mipibu, BR	daily rain	65.2 mm (2.6 in)	33.9 mm (1.3 in)	8 years	33 of 100 (Routine)
21 February 1964	Roswell Muni AP, US	daily low min	-16.7 C (1.9 F)	5.6 C (10.1 F)	52 years	33 of 100 (Routine)
21 February 1964	Acude Sobral, BR	daily rain	51.7 mm (2.0 in)	24.4 mm (1.0 in)	34 years	32 of 100 (Routine)
21 February 1964	Crescent City 3 NNW, US	daily high max	23.9 C (75.0 F)	3.9 C (7.0 F)	45 years	32 of 100 (Routine)
21 February 1964	Silver City, US	daily snowfall	12.7 cm (5.0 in)	7.6 cm (3.0 in)	44 years	32 of 100 (Routine)
21 February 1964	Magdalena, US	daily snowfall	15.2 cm (6.0 in)	5.0 cm (2.0 in)	52 years	31 of 100 (Routine)
21 February 1964	Cambooya Post Office, AU	daily rain	59.4 mm (2.3 in)	31.2 mm (1.2 in)	5 years	30 of 100 (Routine)
21 February 1964	Sheffield, GB	daily low min	-5.6 C (21.9 F)	0.7 C (1.3 F)	69 years	30 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

1795 to 1964

Records set or tied on this calendar date in each year from 1795 to 1964. 1964 had 357 records.

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

Records on 02-21 in each year
Year	Records
1795	1
1804	1
1810	3
1814	3
1838	1
1845	1
1846	2
1847	1
1849	2
1850	1
1851	1
1855	1
1856	1
1860	1
1861	1
1862	2
1870	2
1875	2
1876	1
1879	1
1880	2
1881	1
1882	1
1883	1
1884	1
1885	1
1886	3
1888	2
1889	4
1890	2
1891	1
1893	9
1894	2
1895	2
1896	1
1897	5
1898	14
1899	3
1900	1
1901	11
1902	8
1903	13
1904	12
1905	6
1906	51
1907	18
1908	12
1909	28
1910	26
1911	24
1912	26
1913	29
1914	25
1915	52
1916	82
1917	415
1918	80
1919	47
1920	23
1921	96
1922	157
1923	40
1924	84
1925	209
1926	101
1927	191
1928	81
1929	403
1930	1,334
1931	197
1932	159
1933	229
1934	423
1935	300
1936	617
1937	699
1938	181
1939	586
1940	159
1941	224
1942	552
1943	460
1944	313
1945	621
1946	149
1947	458
1948	511
1949	889
1950	492
1951	573
1952	356
1953	1,238
1954	958
1955	857
1956	460
1957	709
1958	993
1959	383
1960	493
1961	831
1962	590
1963	1,022
1964	357
1965	275
1966	574
1967	312
1968	1,177
1969	658
1970	545
1971	787
1972	717
1973	790
1974	634
1975	655
1976	845
1977	1,362
1978	1,382
1979	1,212
1980	837
1981	1,600
1982	1,074
1983	608
1984	518
1985	837
1986	1,341
1987	658
1988	633
1989	866
1990	1,971
1991	680
1992	418
1993	1,540
1994	980
1995	1,267
1996	1,742
1997	1,806
1998	1,100
1999	552
2000	812
2001	583
2002	934
2003	1,253
2004	629
2005	840
2006	801
2007	747
2008	1,131
2009	622
2010	1,156
2011	1,379
2012	540
2013	845
2014	881
2015	1,773
2016	1,151
2017	1,828
2018	2,891
2019	1,330
2020	547
2021	879
2022	734
2023	677
2024	648
2025	1,776
2026	552

Download the Data

Data for records on 1964-02-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 25	220
25 to 50	39
50 to 75	19
75 to 100	6
100 to 125	4
125 to 150	2
150 to 175	0
175 to 200	2