Weather Records on 21 March 1964

333 weather records were set or tied worldwide on 21 March 1964. Highest significance: Trichur, IN.

Key Facts for 21 March 1964

On 21 March 1964, 333 weather records were set or tied at long-record stations worldwide.
15 were record highs and 142 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 330 daily.
Trichur set a daily record precipitation of 69.9 mm (2.8 in) on 21 March 1964.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 484 records.

Record Map

333 stations

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

Weather records on 21 March 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Trichur	India	Record daily precipitation	69.9 mm (2.8 in)	58 of 100 (Notable)
Colachel Salt Fa	India	Record daily precipitation	76.8 mm (3.0 in)	57 of 100 (Notable)
Periakulam	India	Record daily precipitation	100.6 mm (4.0 in)	49 of 100 (Notable)
Cove 1 E	United States	Record daily snowfall	14.0 cm (5.5 in)	43 of 100 (Notable)
Levan	United States	Record snow depth	35.6 cm (14.0 in)	43 of 100 (Notable)
McCall	United States	Record daily snowfall	20.3 cm (8.0 in)	42 of 100 (Notable)
Chestertown	United States	Record daily precipitation	47.5 mm (1.9 in)	41 of 100 (Notable)
Bodinayakkanur	India	Record daily precipitation	50.0 mm (2.0 in)	39 of 100 (Notable)
Salzburg	Austria	Record daily precipitation	39.6 mm (1.6 in)	38 of 100 (Notable)
Willow Creek	Canada	Record daily snowfall	5.1 cm (2.0 in)	34 of 100 (Routine)
Aberdeen Exp STN	United States	Record snow depth	20.3 cm (8.0 in)	34 of 100 (Routine)
Virden	Canada	Record low maximum temperature	-8.3 C (17.1 F)	33 of 100 (Routine)
Tiruppuvanam	India	Record daily precipitation	31.0 mm (1.2 in)	32 of 100 (Routine)
Kottarakara	India	Record daily precipitation	38.6 mm (1.5 in)	31 of 100 (Routine)
Attingal	India	Record daily precipitation	25.4 mm (1.0 in)	30 of 100 (Routine)
Ottapidaram	India	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
Watseka Public Works	United States	Record daily snowfall	5.1 cm (2.0 in)	29 of 100 (Routine)
Chapel Hill 2 W	United States	Record low maximum temperature	5.6 C (42.1 F)	29 of 100 (Routine)
Hughton	Canada	Record daily snowfall	10.2 cm (4.0 in)	28 of 100 (Routine)
Arasadi	India	Record daily precipitation	28.7 mm (1.1 in)	28 of 100 (Routine)
Chestertown	United States	Record daily snowfall	15.2 cm (6.0 in)	28 of 100 (Routine)
Ann Arbor U of Mich	United States	Record daily snowfall	5.1 cm (2.0 in)	28 of 100 (Routine)
Palmerton	United States	Record daily snowfall	12.7 cm (5.0 in)	28 of 100 (Routine)
Kremsmuenster	Austria	Record daily precipitation	29.6 mm (1.2 in)	26 of 100 (Routine)
Graz	Austria	Record daily precipitation	25.7 mm (1.0 in)	26 of 100 (Routine)
Olho Dagua	Brazil	Record daily precipitation	90.8 mm (3.6 in)	26 of 100 (Routine)
High River	Canada	Record low maximum temperature	-10.0 C (14.0 F)	26 of 100 (Routine)
Salisbury	United States	Record daily precipitation	38.4 mm (1.5 in)	25 of 100 (Routine)
Snow Hill 4 N	United States	Record daily precipitation	59.2 mm (2.3 in)	25 of 100 (Routine)
Ellendale	United States	Record low minimum temperature	-20.0 C (-4.0 F)	25 of 100 (Routine)
Foxholm 7 N	United States	Record low minimum temperature	-23.9 C (-11.0 F)	25 of 100 (Routine)
La Delle 7 NE	United States	Record low maximum temperature	-5.6 C (21.9 F)	25 of 100 (Routine)
Gainesville	United States	Record low maximum temperature	7.2 C (45.0 F)	25 of 100 (Routine)
Walebing	Australia	Record low minimum temperature	8.9 C (48.0 F)	24 of 100 (Routine)
Beaver Mines	Canada	Record daily precipitation	26.9 mm (1.1 in)	24 of 100 (Routine)
Beaver Mines	Canada	Record daily snowfall	26.9 cm (10.6 in)	24 of 100 (Routine)
Srivaikuntam	India	Record daily precipitation	50.2 mm (2.0 in)	24 of 100 (Routine)
Council	United States	Record daily snowfall	5.1 cm (2.0 in)	24 of 100 (Routine)
McCall	United States	Record snow depth	139.7 cm (55.0 in)	24 of 100 (Routine)
Hyannis	United States	Record low minimum temperature	-11.1 C (12.0 F)	24 of 100 (Routine)
Britton	United States	Record low minimum temperature	-21.1 C (-6.0 F)	24 of 100 (Routine)
Sisseton	United States	Record low minimum temperature	-20.0 C (-4.0 F)	24 of 100 (Routine)
Sequim	United States	Record daily precipitation	25.9 mm (1.0 in)	24 of 100 (Routine)
Reading Wb City	United States	Record daily snowfall	10.7 cm (4.2 in)	24 of 100 (Routine)
Carway	Canada	Record low maximum temperature	-11.1 C (12.0 F)	23 of 100 (Routine)
Whitewood	Canada	Record low minimum temperature	-31.1 C (-24.0 F)	23 of 100 (Routine)
Morden	Canada	Record low minimum temperature	-25.0 C (-13.0 F)	23 of 100 (Routine)
Thiruvalla	India	Record daily precipitation	36.3 mm (1.4 in)	23 of 100 (Routine)
Aleksandrovsk-Sahalinskij	Russia	Record high minimum temperature	-3.9 C (25.0 F)	23 of 100 (Routine)
Bartow 1SE	United States	Record high minimum temperature	21.7 C (71.1 F)	23 of 100 (Routine)
Clinton 2 S	United States	Record low maximum temperature	7.2 C (45.0 F)	23 of 100 (Routine)
Cheraw	United States	Record low maximum temperature	7.2 C (45.0 F)	23 of 100 (Routine)
Seymour 3NW	United States	Record low maximum temperature	7.2 C (45.0 F)	23 of 100 (Routine)
Huron Rgnl AP	United States	Record low minimum temperature	-20.6 C (-5.1 F)	23 of 100 (Routine)
Cardston	Canada	Record low maximum temperature	-9.4 C (15.1 F)	22 of 100 (Routine)
Yellow Grass	Canada	Record low minimum temperature	-27.8 C (-18.0 F)	22 of 100 (Routine)
Beechy	Canada	Record daily snowfall	7.6 cm (3.0 in)	22 of 100 (Routine)
Ninette	Canada	Record low minimum temperature	-26.1 C (-15.0 F)	22 of 100 (Routine)
Ayikudi	India	Record daily precipitation	34.0 mm (1.3 in)	22 of 100 (Routine)
Hays 1 S	United States	Record low maximum temperature	-1.7 C (28.9 F)	22 of 100 (Routine)

Counts by Type and Timescale

333 records

Records set or tied on 21 March 1964 by type: Highest daily maximum 7, Lowest daily maximum 84, Highest daily minimum 8, Lowest daily minimum 58, Heaviest daily rainfall 115, Heaviest daily snowfall 45, Deepest snow cover 16.

Records on 21 March 1964 by type
Record type	Records
Highest daily maximum	7
Lowest daily maximum	84
Highest daily minimum	8
Lowest daily minimum	58
Heaviest daily rainfall	115
Heaviest daily snowfall	45
Deepest snow cover	16

Records on 21 March 1964 by timescale: all-time 0, monthly 3, daily 330.

How Much Records Were Beaten By

266 broken records

Margins by which the 266 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

21 March 1964

Top 20 records on 21 March 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 1964	Trichur, IN	daily rain	69.9 mm (2.8 in)	63.8 mm (2.5 in)	41 years	58 of 100 (Notable)
21 March 1964	Colachel Salt Fa, IN	daily rain	76.8 mm (3.0 in)	65.4 mm (2.6 in)	39 years	57 of 100 (Notable)
21 March 1964	Periakulam, IN	daily rain	100.6 mm (4.0 in)	92.5 mm (3.6 in)	11 years	49 of 100 (Notable)
21 March 1964	Cove 1 E, US	daily snowfall	14.0 cm (5.5 in)	13.2 cm (5.2 in)	29 years	43 of 100 (Notable)
21 March 1964	Levan, US	daily snow depth	35.6 cm (14.0 in)	25.4 cm (10.0 in)	61 years	43 of 100 (Notable)
21 March 1964	McCall, US	daily snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	47 years	42 of 100 (Notable)
21 March 1964	Chestertown, US	daily rain	47.5 mm (1.9 in)	17.5 mm (0.7 in)	61 years	41 of 100 (Notable)
21 March 1964	Bodinayakkanur, IN	daily rain	50.0 mm (2.0 in)	25.9 mm (1.0 in)	58 years	39 of 100 (Notable)
21 March 1964	Salzburg, AT	daily rain	39.6 mm (1.6 in)	11.1 mm (0.4 in)	48 years	38 of 100 (Notable)
21 March 1964	Willow Creek, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	53 years	34 of 100 (Routine)
21 March 1964	Aberdeen Exp STN, US	daily snow depth	20.3 cm (8.0 in)	20.3 cm (8.0 in)	48 years	34 of 100 (Routine)
21 March 1964	Virden, CA	daily low max	-8.3 C (17.1 F)	4.4 C (7.9 F)	71 years	33 of 100 (Routine)
21 March 1964	Tiruppuvanam, IN	daily rain	31.0 mm (1.2 in)	25.2 mm (1.0 in)	40 years	32 of 100 (Routine)
21 March 1964	Kottarakara, IN	daily rain	38.6 mm (1.5 in)	25.4 mm (1.0 in)	27 years	31 of 100 (Routine)
21 March 1964	Attingal, IN	daily rain	25.4 mm (1.0 in)	23.6 mm (0.9 in)	29 years	30 of 100 (Routine)
21 March 1964	Ottapidaram, IN	daily rain	33.0 mm (1.3 in)	10.9 mm (0.4 in)	56 years	29 of 100 (Routine)
21 March 1964	Watseka Public Works, US	daily snowfall	5.1 cm (2.0 in)	2.6 cm (1.0 in)	52 years	29 of 100 (Routine)
21 March 1964	Chapel Hill 2 W, US	daily low max	5.6 C (42.1 F)	2.2 C (4.0 F)	64 years	29 of 100 (Routine)
21 March 1964	Hughton, CA	daily snowfall	10.2 cm (4.0 in)	7.7 cm (3.0 in)	13 years	28 of 100 (Routine)
21 March 1964	Arasadi, IN	daily rain	28.7 mm (1.1 in)	17.8 mm (0.7 in)	45 years	28 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

1797 to 1964

Records set or tied on this calendar date in each year from 1797 to 1964. 1964 had 333 records.

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

Records on 03-21 in each year
Year	Records
1797	2
1805	1
1806	1
1822	1
1830	1
1836	1
1837	1
1845	1
1846	1
1850	1
1852	2
1857	1
1865	7
1874	1
1877	1
1880	1
1881	1
1883	2
1884	1
1885	5
1886	2
1888	1
1890	3
1892	1
1893	1
1894	1
1895	1
1896	2
1897	2
1898	3
1899	4
1900	4
1901	9
1902	18
1903	23
1904	17
1905	6
1906	3
1907	14
1908	3
1909	11
1910	10
1911	10
1912	36
1913	97
1914	71
1915	27
1916	44
1917	43
1918	43
1919	29
1920	90
1921	96
1922	50
1923	72
1924	96
1925	141
1926	282
1927	179
1928	293
1929	104
1930	99
1931	638
1932	305
1933	235
1934	114
1935	675
1936	225
1937	172
1938	783
1939	280
1940	366
1941	311
1942	330
1943	217
1944	556
1945	294
1946	570
1947	192
1948	948
1949	330
1950	398
1951	779
1952	689
1953	342
1954	211
1955	1,124
1956	686
1957	373
1958	619
1959	230
1960	892
1961	268
1962	548
1963	298
1964	333
1965	1,961
1966	464
1967	487
1968	798
1969	219
1970	612
1971	358
1972	519
1973	385
1974	1,097
1975	751
1976	710
1977	376
1978	838
1979	656
1980	775
1981	676
1982	850
1983	1,673
1984	835
1985	503
1986	1,170
1987	948
1988	1,155
1989	1,396
1990	1,380
1991	1,446
1992	877
1993	687
1994	684
1995	1,141
1996	1,119
1997	1,670
1998	935
1999	1,044
2000	802
2001	1,342
2002	1,593
2003	1,073
2004	1,511
2005	649
2006	1,417
2007	1,220
2008	734
2009	558
2010	1,134
2011	1,451
2012	2,854
2013	727
2014	639
2015	568
2016	553
2017	1,117
2018	809
2019	649
2020	445
2021	489
2022	615
2023	815
2024	432
2025	845
2026	2,614

Download the Data

Data for records on 1964-03-21: 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 2026-10-13 (13 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 50	244
50 to 100	15
100 to 150	5
150 to 200	0
200 to 250	1
250 to 300	1