Weather Records on 21 February 1984

518 weather records were set or tied worldwide on 21 February 1984. Highest significance: Richland, US.

Key Facts for 21 February 1984

On 21 February 1984, 518 weather records were set or tied at long-record stations worldwide.
159 were record highs and 164 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 21 monthly and 497 daily.
Richland set a daily record snow depth of 45.7 cm (18.0 in) on 21 February 1984.
Across 164 earlier years (1795 to 2026) the same calendar date averaged 501 records.

Record Map

518 stations

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

Weather records on 21 February 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Richland	United States	Record snow depth	45.7 cm (18.0 in)	62 of 100 (Major)
UNIV of Utah	United States	Record snow depth	33.0 cm (13.0 in)	50 of 100 (Notable)
Inverness 3 SE	United States	Record high maximum temperature	35.0 C (95.0 F)	48 of 100 (Notable)
Adin Rs	United States	Record low maximum temperature	-2.8 C (27.0 F)	45 of 100 (Notable)
Vestmannaeyjar	Iceland	Record daily precipitation	53.8 mm (2.1 in)	43 of 100 (Notable)
Jensen	United States	Record snow depth	30.5 cm (12.0 in)	42 of 100 (Notable)
Byers 5 ENE	United States	Record snow depth	27.9 cm (11.0 in)	40 of 100 (Notable)
Wellfleet	United States	Record snow depth	30.5 cm (12.0 in)	39 of 100 (Notable)
Balmoral	Australia	Record daily precipitation	59.0 mm (2.3 in)	37 of 100 (Notable)
Leroy 5 WSW	United States	Record snow depth	30.5 cm (12.0 in)	37 of 100 (Notable)
Sonora	United States	Record low minimum temperature	-11.1 C (12.0 F)	37 of 100 (Notable)
Montello 2NE	United States	Record low maximum temperature	-5.0 C (23.0 F)	36 of 100 (Notable)
Salina	United States	Record snow depth	12.7 cm (5.0 in)	36 of 100 (Notable)
Chardzhev	Turkmenistan	Record low minimum temperature	-11.2 C (11.8 F)	35 of 100 (Notable)
Corinne	United States	Record low minimum temperature	-21.7 C (-7.1 F)	34 of 100 (Routine)
Hill End Post Office	Australia	Record daily precipitation	50.0 mm (2.0 in)	33 of 100 (Routine)
Beulah	United States	Record daily snowfall	10.2 cm (4.0 in)	33 of 100 (Routine)
Nephi	United States	Record snow depth	17.8 cm (7.0 in)	33 of 100 (Routine)
Adin Rs	United States	Record daily snowfall	15.2 cm (6.0 in)	32 of 100 (Routine)
Bowman Dam	United States	Record daily snowfall	40.6 cm (16.0 in)	31 of 100 (Routine)
Upland 2NE	United States	Record snow depth	20.3 cm (8.0 in)	31 of 100 (Routine)
Arthur 4NW	United States	Record snow depth	101.6 cm (40.0 in)	31 of 100 (Routine)
Unity	United States	Record daily snowfall	10.2 cm (4.0 in)	31 of 100 (Routine)
Northam	Australia	Record low maximum temperature	23.5 C (74.3 F)	30 of 100 (Routine)
Arecibo 3 ESE	Puerto Rico [United States]	Record low minimum temperature	13.3 C (55.9 F)	30 of 100 (Routine)
Fairfield	United States	Record snow depth	33.0 cm (13.0 in)	30 of 100 (Routine)
Border 3 N	United States	Record low maximum temperature	-12.2 C (10.0 F)	30 of 100 (Routine)
Green Rvr	United States	Record low maximum temperature	-11.1 C (12.0 F)	30 of 100 (Routine)
Mornington	Australia	Record daily precipitation	31.4 mm (1.2 in)	29 of 100 (Routine)
Centerville Cooper Dr	United States	Record daily snowfall	26.2 cm (10.3 in)	29 of 100 (Routine)
New Meadows Rs	United States	Record low minimum temperature	-27.8 C (-18.0 F)	29 of 100 (Routine)
Tooele	United States	Record snow depth	61.0 cm (24.0 in)	29 of 100 (Routine)
Mackay Lost Rvr Rs	United States	Record low minimum temperature	-23.9 C (-11.0 F)	28 of 100 (Routine)
Kailua 446	United States	Record high minimum temperature	19.4 C (66.9 F)	28 of 100 (Routine)
Nome AP	United States	Record low minimum temperature	-37.2 C (-35.0 F)	28 of 100 (Routine)
Deseret	United States	Record snow depth	12.7 cm (5.0 in)	27 of 100 (Routine)
Kemmerer 2N	United States	Record snow depth	66.0 cm (26.0 in)	27 of 100 (Routine)
Pocatello Rgnl AP	United States	Record snow depth	30.5 cm (12.0 in)	27 of 100 (Routine)
Walwa	Australia	Record daily precipitation	32.0 mm (1.3 in)	26 of 100 (Routine)
Monte Vista 2W	United States	Record snow depth	15.2 cm (6.0 in)	25 of 100 (Routine)
Mandan Exp STN	United States	Record high minimum temperature	1.1 C (34.0 F)	25 of 100 (Routine)
Samarkand	Uzbekistan	Record low minimum temperature	-17.7 C (0.1 F)	25 of 100 (Routine)
Apalachicola AP	United States	Record daily precipitation	26.9 mm (1.1 in)	24 of 100 (Routine)
Beach	United States	Record high minimum temperature	0.0 C (32.0 F)	24 of 100 (Routine)
Ogden Sugar Factory	United States	Record low minimum temperature	-18.9 C (-2.0 F)	24 of 100 (Routine)
Partoun	United States	Record low maximum temperature	-6.1 C (21.0 F)	24 of 100 (Routine)
Limon	United States	Record snow depth	12.7 cm (5.0 in)	24 of 100 (Routine)
Lake Bathurst (Somerton)	Australia	Record daily precipitation	48.0 mm (1.9 in)	23 of 100 (Routine)
Ostrov Vrangelja	Russia	Record low minimum temperature	-43.5 C (-46.3 F)	23 of 100 (Routine)
Hyannis	United States	Record high maximum temperature	12.8 C (55.0 F)	23 of 100 (Routine)
Baudette	United States	Record high maximum temperature	8.3 C (46.9 F)	23 of 100 (Routine)
Malheur Branch Exp STN	United States	Record snow depth	17.8 cm (7.0 in)	23 of 100 (Routine)
Ogden Pioneer Ph	United States	Record snow depth	38.1 cm (15.0 in)	23 of 100 (Routine)
Salt Lake City Intl AP	United States	Record snow depth	17.8 cm (7.0 in)	23 of 100 (Routine)
New England Nat.Park (New Engl	Australia	Record daily precipitation	76.6 mm (3.0 in)	22 of 100 (Routine)
Rosebud (Country Club)	Australia	Record daily precipitation	26.6 mm (1.0 in)	22 of 100 (Routine)
Indiga	Russia	Record high maximum temperature	0.9 C (33.6 F)	22 of 100 (Routine)
Troicko-Pecherskoe	Russia	Record high maximum temperature	0.5 C (32.9 F)	22 of 100 (Routine)
Belle Glade	United States	Record high minimum temperature	19.4 C (66.9 F)	22 of 100 (Routine)
Powers Lake 1N	United States	Record high minimum temperature	0.0 C (32.0 F)	22 of 100 (Routine)

Counts by Type and Timescale

518 records

Records set or tied on 21 February 1984 by type: Highest daily maximum 69, Lowest daily maximum 84, Highest daily minimum 90, Lowest daily minimum 80, Heaviest daily rainfall 119, Heaviest daily snowfall 20, Deepest snow cover 56.

Records on 21 February 1984 by type
Record type	Records
Highest daily maximum	69
Lowest daily maximum	84
Highest daily minimum	90
Lowest daily minimum	80
Heaviest daily rainfall	119
Heaviest daily snowfall	20
Deepest snow cover	56

Records on 21 February 1984 by timescale: all-time 0, monthly 21, daily 497.

How Much Records Were Beaten By

407 broken records

Margins by which the 407 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 330.0. Ties are not counted.

Top 20 by Significance

21 February 1984

Top 20 records on 21 February 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 February 1984	Richland, US	daily snow depth	45.7 cm (18.0 in)	33.0 cm (13.0 in)	73 years	62 of 100 (Major)
21 February 1984	UNIV of Utah, US	daily snow depth	33.0 cm (13.0 in)	20.3 cm (8.0 in)	32 years	50 of 100 (Notable)
21 February 1984	Inverness 3 SE, US	monthly high max	35.0 C (95.0 F)	3.3 C (5.9 F)	80 years	48 of 100 (Notable)
21 February 1984	Adin Rs, US	daily low max	-2.8 C (27.0 F)	4.5 C (8.1 F)	86 years	45 of 100 (Notable)
21 February 1984	Vestmannaeyjar, IS	daily rain	53.8 mm (2.1 in)	36.4 mm (1.4 in)	2 years	43 of 100 (Notable)
21 February 1984	Jensen, US	daily snow depth	30.5 cm (12.0 in)	30.5 cm (12.0 in)	32 years	42 of 100 (Notable)
21 February 1984	Byers 5 ENE, US	daily snow depth	27.9 cm (11.0 in)	10.1 cm (4.0 in)	41 years	40 of 100 (Notable)
21 February 1984	Wellfleet, US	daily snow depth	30.5 cm (12.0 in)	20.3 cm (8.0 in)	24 years	39 of 100 (Notable)
21 February 1984	Balmoral, AU	daily rain	59.0 mm (2.3 in)	47.6 mm (1.9 in)	8 years	37 of 100 (Notable)
21 February 1984	Leroy 5 WSW, US	daily snow depth	30.5 cm (12.0 in)	15.3 cm (6.0 in)	17 years	37 of 100 (Notable)
21 February 1984	Sonora, US	daily low min	-11.1 C (12.0 F)	5.0 C (9.0 F)	72 years	37 of 100 (Notable)
21 February 1984	Montello 2NE, US	daily low max	-5.0 C (23.0 F)	2.2 C (4.0 F)	80 years	36 of 100 (Notable)
21 February 1984	Salina, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	60 years	36 of 100 (Notable)
21 February 1984	Chardzhev, TM	daily low min	-11.2 C (11.8 F)	0.5 C (0.9 F)	86 years	35 of 100 (Notable)
21 February 1984	Corinne, US	daily low min	-21.7 C (-7.1 F)	1.7 C (3.1 F)	80 years	34 of 100 (Routine)
21 February 1984	Hill End Post Office, AU	daily rain	50.0 mm (2.0 in)	20.8 mm (0.8 in)	34 years	33 of 100 (Routine)
21 February 1984	Beulah, US	daily snowfall	10.2 cm (4.0 in)	4.9 cm (1.9 in)	37 years	33 of 100 (Routine)
21 February 1984	Nephi, US	daily snow depth	17.8 cm (7.0 in)	10.2 cm (4.0 in)	40 years	33 of 100 (Routine)
21 February 1984	Adin Rs, US	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	4 years	32 of 100 (Routine)
21 February 1984	Bowman Dam, US	daily snowfall	40.6 cm (16.0 in)	5.0 cm (2.0 in)	69 years	31 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 1984

Records set or tied on this calendar date in each year from 1795 to 1984. 1984 had 518 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 1984-02-21: 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 50	371
50 to 100	14
100 to 150	11
150 to 200	4
200 to 250	4
250 to 300	1
300 to 350	2