Weather Records on 21 March 1963

298 weather records were set or tied worldwide on 21 March 1963. Highest significance: Surbiton Station, AU.

Key Facts for 21 March 1963

On 21 March 1963, 298 weather records were set or tied at long-record stations worldwide.
93 were record highs and 44 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 8 monthly and 289 daily.
Surbiton Station set an all-time record daily precipitation of 254.0 mm (10.0 in) on 21 March 1963.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 484 records.

Record Map

298 stations

298 station records on 21 March 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 March 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Surbiton Station	Australia	Record daily precipitation	254.0 mm (10.0 in)	79 of 100 (Major)
Collerina (Corrella)	Australia	Record daily precipitation	78.7 mm (3.1 in)	70 of 100 (Major)
Karkaralinsk	Kazakhstan	Record daily precipitation	68.0 mm (2.7 in)	58 of 100 (Notable)
Barcombe	Australia	Record daily precipitation	127.0 mm (5.0 in)	50 of 100 (Notable)
Charlotte Plains	Australia	Record daily precipitation	78.7 mm (3.1 in)	49 of 100 (Notable)
Fortaleza	Brazil	Record daily precipitation	123.4 mm (4.9 in)	44 of 100 (Notable)
Gillespie	Australia	Record daily precipitation	64.3 mm (2.5 in)	40 of 100 (Notable)
Clermont Sirius St	Australia	Record daily precipitation	55.1 mm (2.2 in)	39 of 100 (Notable)
Harrison	United States	Record snow depth	40.6 cm (16.0 in)	39 of 100 (Notable)
Emu Creek	Australia	Record daily precipitation	36.1 mm (1.4 in)	37 of 100 (Notable)
Cobar (the Meadows)	Australia	Record daily precipitation	42.2 mm (1.7 in)	36 of 100 (Notable)
New Westminster	Canada	Record high minimum temperature	8.9 C (48.0 F)	36 of 100 (Notable)
Currawilla Station	Australia	Record daily precipitation	36.3 mm (1.4 in)	35 of 100 (Notable)
Nikolskoye/Beringa Ostrov	Russia	Record high minimum temperature	1.7 C (35.1 F)	35 of 100 (Notable)
Bogantungan Post Office	Australia	Record daily precipitation	101.3 mm (4.0 in)	34 of 100 (Routine)
Peakvale Station	Australia	Record daily precipitation	30.0 mm (1.2 in)	34 of 100 (Routine)
Arrabury Station	Australia	Record daily precipitation	27.2 mm (1.1 in)	34 of 100 (Routine)
Telemon Station	Australia	Record daily precipitation	49.5 mm (1.9 in)	32 of 100 (Routine)
Santander Centro	Spain	Record daily precipitation	31.4 mm (1.2 in)	32 of 100 (Routine)
Prestwood Station	Australia	Record daily precipitation	57.4 mm (2.3 in)	30 of 100 (Routine)
Annalara	Australia	Record daily precipitation	38.9 mm (1.5 in)	30 of 100 (Routine)
Quantambone	Australia	Record daily precipitation	89.4 mm (3.5 in)	30 of 100 (Routine)
Noonbah	Australia	Record daily precipitation	56.4 mm (2.2 in)	29 of 100 (Routine)
Goondiwindi Post Office	Australia	Record high minimum temperature	22.2 C (72.0 F)	29 of 100 (Routine)
Governador Dix-Sept Rosado	Brazil	Record daily precipitation	49.4 mm (1.9 in)	29 of 100 (Routine)
Jedburgh Station	Australia	Record daily precipitation	35.6 mm (1.4 in)	28 of 100 (Routine)
Rosewood Walloon Rd	Australia	Record daily precipitation	36.8 mm (1.4 in)	28 of 100 (Routine)
Wooroolin Post Office	Australia	Record daily precipitation	39.4 mm (1.6 in)	28 of 100 (Routine)
Saint Johnsbury	United States	Record snow depth	71.1 cm (28.0 in)	28 of 100 (Routine)
Woodhouse	Australia	Record daily precipitation	57.7 mm (2.3 in)	27 of 100 (Routine)
Noorama	Australia	Record daily precipitation	33.0 mm (1.3 in)	27 of 100 (Routine)
Tartu	Estonia	Record low minimum temperature	-28.7 C (-19.7 F)	27 of 100 (Routine)
Holy Cross	United States	Record daily snowfall	13.5 cm (5.3 in)	27 of 100 (Routine)
Canton 4 SE	United States	Record snow depth	58.4 cm (23.0 in)	27 of 100 (Routine)
Adelaide West Terrace	Australia	Record high minimum temperature	24.9 C (76.8 F)	26 of 100 (Routine)
Alpha Post Office	Australia	Record daily precipitation	60.5 mm (2.4 in)	26 of 100 (Routine)
Dalby Post Office	Australia	Record high minimum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Yuleba Garden St	Australia	Record daily precipitation	38.1 mm (1.5 in)	26 of 100 (Routine)
Tartu-Toravere	Estonia	Record low minimum temperature	-28.7 C (-19.7 F)	26 of 100 (Routine)
Montville "Craglands"	Australia	Record daily precipitation	81.8 mm (3.2 in)	25 of 100 (Routine)
Vytegra	Russia	Record low maximum temperature	-14.0 C (6.8 F)	25 of 100 (Routine)
Milton Freewater	United States	Record high minimum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
Chelsea	United States	Record daily snowfall	10.2 cm (4.0 in)	25 of 100 (Routine)
Babbiloora Station	Australia	Record daily precipitation	57.2 mm (2.3 in)	24 of 100 (Routine)
Portland Downs	Australia	Record daily precipitation	56.1 mm (2.2 in)	24 of 100 (Routine)
Biloela Dpi	Australia	Record daily precipitation	30.2 mm (1.2 in)	24 of 100 (Routine)
Brisbane Regional Office	Australia	Record high minimum temperature	22.2 C (72.0 F)	24 of 100 (Routine)
Revelstoke	Canada	Record high minimum temperature	2.8 C (37.0 F)	24 of 100 (Routine)
Chippewa Lake	United States	Record low maximum temperature	-1.7 C (28.9 F)	24 of 100 (Routine)
Vernon Coldstream Ranch	Canada	Record high maximum temperature	19.4 C (66.9 F)	23 of 100 (Routine)
Caldwell	United States	Record high minimum temperature	7.8 C (46.0 F)	23 of 100 (Routine)
Harbor Beach 1 SSE	United States	Record daily snowfall	10.2 cm (4.0 in)	23 of 100 (Routine)
Cornwall	United States	Record snow depth	71.1 cm (28.0 in)	23 of 100 (Routine)
Cedar Lake	United States	Record high minimum temperature	6.7 C (44.1 F)	23 of 100 (Routine)
Spencer	United States	Record daily snowfall	5.1 cm (2.0 in)	23 of 100 (Routine)
Richmond Post Office	Australia	Record daily precipitation	49.3 mm (1.9 in)	22 of 100 (Routine)
Tanbar Station	Australia	Record daily precipitation	27.9 mm (1.1 in)	22 of 100 (Routine)
Sans Souci (Public School)	Australia	Record daily precipitation	42.7 mm (1.7 in)	22 of 100 (Routine)
Helensburgh (Sawan St)	Australia	Record daily precipitation	37.6 mm (1.5 in)	22 of 100 (Routine)
Gleichen	Canada	Record high maximum temperature	20.6 C (69.1 F)	22 of 100 (Routine)

Counts by Type and Timescale

298 records

Records set or tied on 21 March 1963 by type: Highest daily maximum 39, Lowest daily maximum 23, Highest daily minimum 54, Lowest daily minimum 21, Heaviest daily rainfall 132, Heaviest daily snowfall 22, Deepest snow cover 7.

Records on 21 March 1963 by type
Record type	Records
Highest daily maximum	39
Lowest daily maximum	23
Highest daily minimum	54
Lowest daily minimum	21
Heaviest daily rainfall	132
Heaviest daily snowfall	22
Deepest snow cover	7

Records on 21 March 1963 by timescale: all-time 1, monthly 8, daily 289.

How Much Records Were Beaten By

247 broken records

Margins by which the 247 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 228.0. Ties are not counted.

Top 20 by Significance

21 March 1963

Top 20 records on 21 March 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 1963	Surbiton Station, AU	all-time rain	254.0 mm (10.0 in)	114.3 mm (4.5 in)	41 years	79 of 100 (Major)
21 March 1963	Collerina (Corrella), AU	daily rain	78.7 mm (3.1 in)	67.8 mm (2.7 in)	75 years	70 of 100 (Major)
21 March 1963	Karkaralinsk, KZ	daily rain	68.0 mm (2.7 in)	38.0 mm (1.5 in)	40 years	58 of 100 (Notable)
21 March 1963	Barcombe, AU	daily rain	127.0 mm (5.0 in)	95.2 mm (3.7 in)	30 years	50 of 100 (Notable)
21 March 1963	Charlotte Plains, AU	daily rain	78.7 mm (3.1 in)	66.3 mm (2.6 in)	10 years	49 of 100 (Notable)
21 March 1963	Fortaleza, BR	daily rain	123.4 mm (4.9 in)	58.6 mm (2.3 in)	33 years	44 of 100 (Notable)
21 March 1963	Gillespie, AU	daily rain	64.3 mm (2.5 in)	37.6 mm (1.5 in)	30 years	40 of 100 (Notable)
21 March 1963	Clermont Sirius St, AU	daily rain	55.1 mm (2.2 in)	25.6 mm (1.0 in)	56 years	39 of 100 (Notable)
21 March 1963	Harrison, US	daily snow depth	40.6 cm (16.0 in)	22.8 cm (9.0 in)	20 years	39 of 100 (Notable)
21 March 1963	Emu Creek, AU	daily rain	36.1 mm (1.4 in)	15.3 mm (0.6 in)	60 years	37 of 100 (Notable)
21 March 1963	Cobar (the Meadows), AU	daily rain	42.2 mm (1.7 in)	8.2 mm (0.32 in)	75 years	36 of 100 (Notable)
21 March 1963	New Westminster, CA	daily high min	8.9 C (48.0 F)	0.6 C (1.1 F)	84 years	36 of 100 (Notable)
21 March 1963	Currawilla Station, AU	daily rain	36.3 mm (1.4 in)	26.1 mm (1.0 in)	36 years	35 of 100 (Notable)
21 March 1963	Nikolskoye/Beringa Ostrov, RU	monthly high min	1.7 C (35.1 F)	0.7 C (1.3 F)	61 years	35 of 100 (Notable)
21 March 1963	Bogantungan Post Office, AU	daily rain	101.3 mm (4.0 in)	31.2 mm (1.2 in)	52 years	34 of 100 (Routine)
21 March 1963	Peakvale Station, AU	daily rain	30.0 mm (1.2 in)	27.5 mm (1.1 in)	36 years	34 of 100 (Routine)
21 March 1963	Arrabury Station, AU	monthly rain	27.2 mm (1.1 in)	19.6 mm (0.8 in)	1 year	34 of 100 (Routine)
21 March 1963	Telemon Station, AU	daily rain	49.5 mm (1.9 in)	36.8 mm (1.4 in)	21 years	32 of 100 (Routine)
21 March 1963	Santander Centro, ES	daily rain	31.4 mm (1.2 in)	16.7 mm (0.7 in)	20 years	32 of 100 (Routine)
21 March 1963	Prestwood Station, AU	daily rain	57.4 mm (2.3 in)	42.9 mm (1.7 in)	25 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

1797 to 1963

Records set or tied on this calendar date in each year from 1797 to 1963. 1963 had 298 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 1963-03-21: 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	236
50 to 100	5
100 to 150	2
150 to 200	1
200 to 250	3