Weather Records on 21 April 1990

1,463 weather records were set or tied worldwide on 21 April 1990. Highest significance: Hay (Miller Street), AU.

Key Facts for 21 April 1990

On 21 April 1990, 1,463 weather records were set or tied at long-record stations worldwide.
412 were record highs and 78 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 46 monthly and 1,415 daily.
Hay (Miller Street) set a daily record precipitation of 61.2 mm (2.4 in) on 21 April 1990.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 456 records.

Record Map

1,463 stations

1,463 station records on 21 April 1990 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 April 1990: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hay (Miller Street)	Australia	Record daily precipitation	61.2 mm (2.4 in)	76 of 100 (Major)
Wanganella (Zara)	Australia	Record daily precipitation	47.2 mm (1.9 in)	75 of 100 (Major)
Buchan	Australia	Record daily precipitation	58.4 mm (2.3 in)	73 of 100 (Major)
Heidelberg Cape (Pol)	South Africa	Record daily precipitation	48.0 mm (1.9 in)	72 of 100 (Major)
Booligal (Ulonga)	Australia	Record daily precipitation	61.2 mm (2.4 in)	68 of 100 (Major)
Hatfield (Clare)	Australia	Record daily precipitation	49.8 mm (2.0 in)	65 of 100 (Major)
Lake Cargelligo (Wooyeo)	Australia	Record daily precipitation	38.2 mm (1.5 in)	64 of 100 (Major)
Strawberry Hill (Bos)	South Africa	Record daily precipitation	72.0 mm (2.8 in)	63 of 100 (Major)
Wakool (Calimo)	Australia	Record daily precipitation	34.0 mm (1.3 in)	62 of 100 (Major)
Hillston Airport	Australia	Record daily precipitation	42.8 mm (1.7 in)	62 of 100 (Major)
Ouyen (Post Office)	Australia	Record daily precipitation	39.2 mm (1.5 in)	62 of 100 (Major)
Milawa Brown Bros	Australia	Record daily precipitation	57.0 mm (2.2 in)	62 of 100 (Major)
Swellendam (Tnk)	South Africa	Record daily precipitation	82.2 mm (3.2 in)	62 of 100 (Major)
Maude Post Office	Australia	Record daily precipitation	85.0 mm (3.3 in)	61 of 100 (Major)
Moe Gippsland Water	Australia	Record daily precipitation	80.2 mm (3.2 in)	61 of 100 (Major)
Groongal (Gundaline)	Australia	Record daily precipitation	40.0 mm (1.6 in)	60 of 100 (Major)
Nulkwyne Kiamal	Australia	Record daily precipitation	36.3 mm (1.4 in)	60 of 100 (Major)
Bonang	Australia	Record daily precipitation	56.0 mm (2.2 in)	60 of 100 (Major)
Lancefield	Australia	Record daily precipitation	47.4 mm (1.9 in)	60 of 100 (Major)
Tingha Post Office	Australia	Record daily precipitation	55.6 mm (2.2 in)	59 of 100 (Notable)
Yanco Regulator	Australia	Record daily precipitation	52.0 mm (2.0 in)	59 of 100 (Notable)
Booroorban (Ramsay)	Australia	Record daily precipitation	54.0 mm (2.1 in)	58 of 100 (Notable)
Annuello	Australia	Record daily precipitation	48.8 mm (1.9 in)	58 of 100 (Notable)
Bannerton	Australia	Record daily precipitation	50.0 mm (2.0 in)	58 of 100 (Notable)
Wooroolin Post Office	Australia	Record daily precipitation	55.0 mm (2.2 in)	57 of 100 (Notable)
Ivanhoe (Wokabity)	Australia	Record daily precipitation	45.0 mm (1.8 in)	57 of 100 (Notable)
Bemboka Post Office	Australia	Record daily precipitation	154.0 mm (6.1 in)	57 of 100 (Notable)
Leeton Caravan Park	Australia	Record daily precipitation	44.2 mm (1.7 in)	57 of 100 (Notable)
Binya Post Office	Australia	Record daily precipitation	44.2 mm (1.7 in)	57 of 100 (Notable)
Butchers Ridge	Australia	Record daily precipitation	58.0 mm (2.3 in)	57 of 100 (Notable)
Tongio (Brooklands)	Australia	Record daily precipitation	47.8 mm (1.9 in)	57 of 100 (Notable)
Walhalla	Australia	Record daily precipitation	184.4 mm (7.3 in)	57 of 100 (Notable)
Lake Eildon	Australia	Record daily precipitation	44.8 mm (1.8 in)	57 of 100 (Notable)
Wakool (Barratta)	Australia	Record daily precipitation	40.1 mm (1.6 in)	56 of 100 (Notable)
Darlington Point (St Pauls Clo	Australia	Record daily precipitation	51.0 mm (2.0 in)	56 of 100 (Notable)
Robinvale	Australia	Record daily precipitation	47.0 mm (1.9 in)	56 of 100 (Notable)
Milner	South Africa	Record daily precipitation	70.5 mm (2.8 in)	56 of 100 (Notable)
Balranald (Rsl)	Australia	Record daily precipitation	93.3 mm (3.7 in)	55 of 100 (Notable)
Coolatai (Willunga)	Australia	Record daily precipitation	50.4 mm (2.0 in)	55 of 100 (Notable)
Corryong (Parish Lane)	Australia	Record daily precipitation	40.6 mm (1.6 in)	55 of 100 (Notable)
Omeo Comparison	Australia	Record daily precipitation	47.4 mm (1.9 in)	55 of 100 (Notable)
Nowa Nowa	Australia	Record daily precipitation	54.4 mm (2.1 in)	55 of 100 (Notable)
Bonnie Doon Garage	Australia	Record daily precipitation	56.6 mm (2.2 in)	55 of 100 (Notable)
Umberumberka Reservoir	Australia	Record daily precipitation	35.0 mm (1.4 in)	54 of 100 (Notable)
Old Koreelah (White Swamp (Ede	Australia	Record daily precipitation	57.0 mm (2.2 in)	54 of 100 (Notable)
Dellicknora (Tellicura)	Australia	Record daily precipitation	50.0 mm (2.0 in)	54 of 100 (Notable)
Fort William	Australia	Record daily precipitation	80.6 mm (3.2 in)	54 of 100 (Notable)
Barrydale (Pol)	South Africa	Record daily precipitation	58.5 mm (2.3 in)	54 of 100 (Notable)
Callemondah Station	Australia	Record daily precipitation	76.6 mm (3.0 in)	53 of 100 (Notable)
Mount Kroombit	Australia	Record daily precipitation	45.0 mm (1.8 in)	53 of 100 (Notable)
Glenelg	Australia	Record daily precipitation	69.2 mm (2.7 in)	53 of 100 (Notable)
Bonalbo Post Office	Australia	Record daily precipitation	55.2 mm (2.2 in)	53 of 100 (Notable)
Adaminaby Alpine Tourist Park	Australia	Record daily precipitation	50.0 mm (2.0 in)	53 of 100 (Notable)
Bronzewing	Australia	Record daily precipitation	34.2 mm (1.3 in)	53 of 100 (Notable)
Coolatai (Orana)	Australia	Record daily precipitation	67.2 mm (2.6 in)	52 of 100 (Notable)
Jindabyne (Lynwood)	Australia	Record daily precipitation	64.2 mm (2.5 in)	52 of 100 (Notable)
Lake Boga (Kunat)	Australia	Record daily precipitation	33.8 mm (1.3 in)	52 of 100 (Notable)
Dartmouth Reservoir	Australia	Record daily precipitation	46.6 mm (1.8 in)	52 of 100 (Notable)
Dwars-In-Die-Weg	South Africa	Record daily precipitation	67.0 mm (2.6 in)	52 of 100 (Notable)
Lurnea	Australia	Record daily precipitation	47.6 mm (1.9 in)	51 of 100 (Notable)

Counts by Type and Timescale

1,463 records

Records set or tied on 21 April 1990 by type: Highest daily maximum 153, Lowest daily maximum 45, Highest daily minimum 259, Lowest daily minimum 33, Heaviest daily rainfall 971, Deepest snow cover 2.

Records on 21 April 1990 by type
Record type	Records
Highest daily maximum	153
Lowest daily maximum	45
Highest daily minimum	259
Lowest daily minimum	33
Heaviest daily rainfall	971
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 21 April 1990 by timescale: all-time 2, monthly 46, daily 1,415.

How Much Records Were Beaten By

1,328 broken records

Margins by which the 1,328 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

21 April 1990

Top 20 records on 21 April 1990 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 April 1990	Hay (Miller Street), AU	daily rain	61.2 mm (2.4 in)	47.5 mm (1.9 in)	88 years	76 of 100 (Major)
21 April 1990	Wanganella (Zara), AU	daily rain	47.2 mm (1.9 in)	32.0 mm (1.3 in)	109 years	75 of 100 (Major)
21 April 1990	Buchan, AU	daily rain	58.4 mm (2.3 in)	43.7 mm (1.7 in)	88 years	73 of 100 (Major)
21 April 1990	Heidelberg Cape (Pol), ZA	daily rain	48.0 mm (1.9 in)	35.0 mm (1.4 in)	102 years	72 of 100 (Major)
21 April 1990	Booligal (Ulonga), AU	daily rain	61.2 mm (2.4 in)	29.4 mm (1.2 in)	109 years	68 of 100 (Major)
21 April 1990	Hatfield (Clare), AU	daily rain	49.8 mm (2.0 in)	21.6 mm (0.9 in)	109 years	65 of 100 (Major)
21 April 1990	Lake Cargelligo (Wooyeo), AU	daily rain	38.2 mm (1.5 in)	30.1 mm (1.2 in)	76 years	64 of 100 (Major)
21 April 1990	Strawberry Hill (Bos), ZA	daily rain	72.0 mm (2.8 in)	44.1 mm (1.7 in)	87 years	63 of 100 (Major)
21 April 1990	Wakool (Calimo), AU	daily rain	34.0 mm (1.3 in)	24.3 mm (1.0 in)	88 years	62 of 100 (Major)
21 April 1990	Hillston Airport, AU	daily rain	42.8 mm (1.7 in)	29.6 mm (1.2 in)	65 years	62 of 100 (Major)
21 April 1990	Ouyen (Post Office), AU	daily rain	39.2 mm (1.5 in)	29.3 mm (1.2 in)	48 years	62 of 100 (Major)
21 April 1990	Milawa Brown Bros, AU	daily rain	57.0 mm (2.2 in)	34.9 mm (1.4 in)	76 years	62 of 100 (Major)
21 April 1990	Swellendam (Tnk), ZA	daily rain	82.2 mm (3.2 in)	40.8 mm (1.6 in)	73 years	62 of 100 (Major)
21 April 1990	Maude Post Office, AU	monthly rain	85.0 mm (3.3 in)	31.2 mm (1.2 in)	16 years	61 of 100 (Major)
21 April 1990	Moe Gippsland Water, AU	monthly rain	80.2 mm (3.2 in)	14.2 mm (0.6 in)	88 years	61 of 100 (Major)
21 April 1990	Groongal (Gundaline), AU	daily rain	40.0 mm (1.6 in)	23.5 mm (0.9 in)	88 years	60 of 100 (Major)
21 April 1990	Nulkwyne Kiamal, AU	daily rain	36.3 mm (1.4 in)	29.2 mm (1.1 in)	48 years	60 of 100 (Major)
21 April 1990	Bonang, AU	daily rain	56.0 mm (2.2 in)	31.9 mm (1.3 in)	83 years	60 of 100 (Major)
21 April 1990	Lancefield, AU	daily rain	47.4 mm (1.9 in)	24.0 mm (0.9 in)	76 years	60 of 100 (Major)
21 April 1990	Tingha Post Office, AU	daily rain	55.6 mm (2.2 in)	40.4 mm (1.6 in)	40 years	59 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

1793 to 1990

Records set or tied on this calendar date in each year from 1793 to 1990. 1990 had 1,463 records.

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

Records on 04-21 in each year
Year	Records
1793	1
1814	1
1820	1
1838	1
1849	2
1851	1
1852	3
1854	1
1858	3
1861	2
1865	3
1866	1
1868	1
1870	1
1875	4
1876	2
1877	1
1879	3
1880	1
1881	1
1882	1
1884	1
1885	2
1888	1
1890	1
1891	1
1892	1
1893	2
1894	4
1895	1
1897	1
1898	2
1899	2
1900	7
1901	17
1902	7
1903	3
1904	10
1905	18
1906	5
1907	17
1908	25
1909	20
1910	33
1911	9
1912	22
1913	14
1914	220
1915	24
1916	64
1917	48
1918	84
1919	31
1920	85
1921	59
1922	70
1923	223
1924	119
1925	295
1926	148
1927	284
1928	269
1929	193
1930	127
1931	358
1932	304
1933	201
1934	497
1935	266
1936	277
1937	416
1938	295
1939	110
1940	462
1941	306
1942	285
1943	481
1944	261
1945	367
1946	448
1947	459
1948	365
1949	448
1950	529
1951	884
1952	665
1953	640
1954	527
1955	607
1956	497
1957	824
1958	329
1959	505
1960	889
1961	647
1962	319
1963	778
1964	1,125
1965	658
1966	756
1967	903
1968	655
1969	388
1970	728
1971	546
1972	593
1973	1,163
1974	528
1975	360
1976	452
1977	854
1978	735
1979	449
1980	1,934
1981	944
1982	1,075
1983	1,366
1984	1,231
1985	1,245
1986	977
1987	1,290
1988	898
1989	1,557
1990	1,463
1991	1,291
1992	1,763
1993	847
1994	859
1995	1,476
1996	788
1997	964
1998	876
1999	752
2000	921
2001	967
2002	1,312
2003	607
2004	586
2005	693
2006	761
2007	480
2008	1,327
2009	983
2010	805
2011	1,053
2012	687
2013	1,015
2014	393
2015	621
2016	587
2017	797
2018	862
2019	731
2020	397
2021	1,608
2022	433
2023	886
2024	754
2025	506
2026	853

Download the Data

Data for records on 1990-04-21: 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 20	1,060
20 to 40	197
40 to 60	62
60 to 80	5
80 to 100	3
100 to 120	1