Weather Records on 21 March 1984

835 weather records were set or tied worldwide on 21 March 1984. Highest significance: Alexandria 4 WSW, US.

Key Facts for 21 March 1984

On 21 March 1984, 835 weather records were set or tied at long-record stations worldwide.
136 were record highs and 155 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 826 daily.
Alexandria 4 WSW set a daily record precipitation of 53.3 mm (2.1 in) on 21 March 1984.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 480 records.

Record Map

835 stations

835 station records on 21 March 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 March 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Alexandria 4 WSW	United States	Record daily precipitation	53.3 mm (2.1 in)	65 of 100 (Major)
Winthrop 1 WSW	United States	Record daily precipitation	27.4 mm (1.1 in)	61 of 100 (Major)
Morpeth Post Office	Australia	Record daily precipitation	133.0 mm (5.2 in)	58 of 100 (Notable)
Mt Vernon 3 NE	United States	Record snow depth	15.2 cm (6.0 in)	58 of 100 (Notable)
Cockle Creek (Pasminco Metals)	Australia	Record daily precipitation	120.0 mm (4.7 in)	57 of 100 (Notable)
Ngqeleni (Tnk)	South Africa	Record daily precipitation	120.0 mm (4.7 in)	57 of 100 (Notable)
Bellingham 2 N	United States	Record daily precipitation	44.7 mm (1.8 in)	57 of 100 (Notable)
Newcastle Nobbys Signal Statio	Australia	Record daily precipitation	96.8 mm (3.8 in)	56 of 100 (Notable)
Haikou	China	Record daily precipitation	40.2 mm (1.6 in)	52 of 100 (Notable)
Hot Springs	United States	Record daily precipitation	71.1 mm (2.8 in)	52 of 100 (Notable)
Port Washington	United States	Record daily precipitation	44.5 mm (1.8 in)	52 of 100 (Notable)
Dungog Post Office	Australia	Record daily precipitation	96.6 mm (3.8 in)	51 of 100 (Notable)
Fredericktown 4 S	United States	Record daily precipitation	51.1 mm (2.0 in)	51 of 100 (Notable)
Mohicanville Dam	United States	Record daily precipitation	57.4 mm (2.3 in)	51 of 100 (Notable)
Pleasant Hill Lake	United States	Record daily precipitation	56.9 mm (2.2 in)	51 of 100 (Notable)
East Maitland Bowling Club	Australia	Record daily precipitation	91.6 mm (3.6 in)	49 of 100 (Notable)
Mohawk Dam	United States	Record daily precipitation	51.6 mm (2.0 in)	49 of 100 (Notable)
Kemmerer 2N	United States	Record snow depth	40.6 cm (16.0 in)	48 of 100 (Notable)
Williamtown Raaf	Australia	Record daily precipitation	85.2 mm (3.4 in)	47 of 100 (Notable)
Mt Vernon 3 NE	United States	Record daily snowfall	15.2 cm (6.0 in)	47 of 100 (Notable)
San Jose	United States	Record high minimum temperature	17.8 C (64.0 F)	46 of 100 (Notable)
Shawneetown Old Town	United States	Record daily snowfall	5.1 cm (2.0 in)	46 of 100 (Notable)
Centerburg 2 SE	United States	Record daily precipitation	57.2 mm (2.3 in)	45 of 100 (Notable)
Stanton	United States	Record snow depth	17.8 cm (7.0 in)	44 of 100 (Notable)
Monterey	United States	Record daily precipitation	64.3 mm (2.5 in)	44 of 100 (Notable)
Paterson Post Office	Australia	Record daily precipitation	124.0 mm (4.9 in)	43 of 100 (Notable)
Galion Wtr Wks	United States	Record daily precipitation	51.3 mm (2.0 in)	43 of 100 (Notable)
Branxton (Dalwood Vineyard)	Australia	Record daily precipitation	58.0 mm (2.3 in)	42 of 100 (Notable)
Morokweng (Pol)	South Africa	Record daily precipitation	61.6 mm (2.4 in)	42 of 100 (Notable)
Vinton	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Wooster Exp STN	United States	Record daily precipitation	41.4 mm (1.6 in)	42 of 100 (Notable)
Kerrs Creek 6 WNW	United States	Record daily precipitation	64.0 mm (2.5 in)	42 of 100 (Notable)
Clearbrook	United States	Record daily precipitation	37.1 mm (1.5 in)	42 of 100 (Notable)
Charles Mill Lake	United States	Record daily precipitation	48.3 mm (1.9 in)	41 of 100 (Notable)
Palmyra	South Africa	Record daily precipitation	41.0 mm (1.6 in)	40 of 100 (Notable)
Winona	United States	Record daily precipitation	30.2 mm (1.2 in)	40 of 100 (Notable)
Bucyrus	United States	Record daily precipitation	37.1 mm (1.5 in)	39 of 100 (Notable)
Norwalk Wwtp	United States	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Utica	United States	Record daily precipitation	50.8 mm (2.0 in)	39 of 100 (Notable)
Sao Miguel Arcanjo	Brazil	Record daily precipitation	59.9 mm (2.4 in)	38 of 100 (Notable)
Whitestown	United States	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)
Mansfield 5 W	United States	Record daily precipitation	48.3 mm (1.9 in)	38 of 100 (Notable)
Manly Vale (Manly Dam)	Australia	Record daily precipitation	66.6 mm (2.6 in)	37 of 100 (Notable)
Gagrskiy	Georgia	Record daily precipitation	35.3 mm (1.4 in)	37 of 100 (Notable)
Arecibo 3 ESE	Puerto Rico [United States]	Record low minimum temperature	13.3 C (55.9 F)	37 of 100 (Notable)
Miltonvale	United States	Record daily snowfall	17.8 cm (7.0 in)	37 of 100 (Notable)
Grosse Pointe Farms	United States	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Ripley	United States	Record low maximum temperature	6.7 C (44.1 F)	37 of 100 (Notable)
Delaware Lake	United States	Record daily precipitation	38.6 mm (1.5 in)	37 of 100 (Notable)
Lancaster 2 NW	United States	Record daily precipitation	49.8 mm (2.0 in)	37 of 100 (Notable)
Zaaiplaats	South Africa	Record daily precipitation	53.0 mm (2.1 in)	36 of 100 (Notable)
Enterprise	United States	Record daily snowfall	12.7 cm (5.0 in)	36 of 100 (Notable)
Norwich 1 E	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Circleville	United States	Record daily precipitation	42.7 mm (1.7 in)	35 of 100 (Notable)
Oberlin	United States	Record daily precipitation	37.3 mm (1.5 in)	35 of 100 (Notable)
Waverly	United States	Record daily precipitation	38.1 mm (1.5 in)	35 of 100 (Notable)
Dodge	United States	Record daily snowfall	21.6 cm (8.5 in)	35 of 100 (Notable)
Wyee (Wyee Farms Rd)	Australia	Record daily precipitation	106.5 mm (4.2 in)	34 of 100 (Routine)
Leaburg 1 SW	United States	Record daily precipitation	36.8 mm (1.4 in)	34 of 100 (Routine)
Baldwin	United States	Record daily snowfall	19.6 cm (7.7 in)	34 of 100 (Routine)

Counts by Type and Timescale

835 records

Records set or tied on 21 March 1984 by type: Highest daily maximum 53, Lowest daily maximum 93, Highest daily minimum 83, Lowest daily minimum 62, Heaviest daily rainfall 359, Heaviest daily snowfall 113, Deepest snow cover 72.

Records on 21 March 1984 by type
Record type	Records
Highest daily maximum	53
Lowest daily maximum	93
Highest daily minimum	83
Lowest daily minimum	62
Heaviest daily rainfall	359
Heaviest daily snowfall	113
Deepest snow cover	72

Records on 21 March 1984 by timescale: all-time 0, monthly 9, daily 826.

How Much Records Were Beaten By

669 broken records

Margins by which the 669 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

21 March 1984

Top 20 records on 21 March 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 1984	Alexandria 4 WSW, US	daily rain	53.3 mm (2.1 in)	32.0 mm (1.3 in)	72 years	65 of 100 (Major)
21 March 1984	Winthrop 1 WSW, US	daily rain	27.4 mm (1.1 in)	20.5 mm (0.8 in)	47 years	61 of 100 (Major)
21 March 1984	Morpeth Post Office, AU	daily rain	133.0 mm (5.2 in)	69.5 mm (2.7 in)	42 years	58 of 100 (Notable)
21 March 1984	Mt Vernon 3 NE, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	83 years	58 of 100 (Notable)
21 March 1984	Cockle Creek (Pasminco Metals), AU	daily rain	120.0 mm (4.7 in)	60.6 mm (2.4 in)	72 years	57 of 100 (Notable)
21 March 1984	Ngqeleni (Tnk), ZA	daily rain	120.0 mm (4.7 in)	74.8 mm (2.9 in)	38 years	57 of 100 (Notable)
21 March 1984	Bellingham 2 N, US	daily rain	44.7 mm (1.8 in)	23.9 mm (0.9 in)	36 years	57 of 100 (Notable)
21 March 1984	Newcastle Nobbys Signal Statio, AU	daily rain	96.8 mm (3.8 in)	48.0 mm (1.9 in)	72 years	56 of 100 (Notable)
21 March 1984	Haikou, CN	daily rain	40.2 mm (1.6 in)	34.8 mm (1.4 in)	32 years	52 of 100 (Notable)
21 March 1984	Hot Springs, US	daily rain	71.1 mm (2.8 in)	23.9 mm (0.9 in)	66 years	52 of 100 (Notable)
21 March 1984	Port Washington, US	daily rain	44.5 mm (1.8 in)	23.2 mm (0.9 in)	51 years	52 of 100 (Notable)
21 March 1984	Dungog Post Office, AU	daily rain	96.6 mm (3.8 in)	53.4 mm (2.1 in)	42 years	51 of 100 (Notable)
21 March 1984	Fredericktown 4 S, US	daily rain	51.1 mm (2.0 in)	32.0 mm (1.3 in)	29 years	51 of 100 (Notable)
21 March 1984	Mohicanville Dam, US	daily rain	57.4 mm (2.3 in)	34.8 mm (1.4 in)	29 years	51 of 100 (Notable)
21 March 1984	Pleasant Hill Lake, US	daily rain	56.9 mm (2.2 in)	35.8 mm (1.4 in)	29 years	51 of 100 (Notable)
21 March 1984	East Maitland Bowling Club, AU	daily rain	91.6 mm (3.6 in)	36.2 mm (1.4 in)	72 years	49 of 100 (Notable)
21 March 1984	Mohawk Dam, US	daily rain	51.6 mm (2.0 in)	30.8 mm (1.2 in)	29 years	49 of 100 (Notable)
21 March 1984	Kemmerer 2N, US	daily snow depth	40.6 cm (16.0 in)	30.4 cm (12.0 in)	1 year	48 of 100 (Notable)
21 March 1984	Williamtown Raaf, AU	daily rain	85.2 mm (3.4 in)	56.5 mm (2.2 in)	33 years	47 of 100 (Notable)
21 March 1984	Mt Vernon 3 NE, US	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	60 years	47 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

1797 to 1984

Records set or tied on this calendar date in each year from 1797 to 1984. 1984 had 835 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 1984-03-21: 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 2026-10-14 (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 50	608
50 to 100	37
100 to 150	16
150 to 200	4
200 to 250	1
250 to 300	1
300 to 350	2