Weather Records on 18 April 1990

1,368 weather records were set or tied worldwide on 18 April 1990. Highest significance: Bierbank, AU.

Key Facts for 18 April 1990

On 18 April 1990, 1,368 weather records were set or tied at long-record stations worldwide.
292 were record highs and 476 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 38 monthly and 1,329 daily.
Bierbank set a monthly record daily precipitation of 129.0 mm (5.1 in) on 18 April 1990.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 462 records.

Record Map

1,368 stations

1,368 station records on 18 April 1990 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 1990: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bierbank	Australia	Record daily precipitation	129.0 mm (5.1 in)	79 of 100 (Major)
Beaconsfield	Australia	Record daily precipitation	83.2 mm (3.3 in)	77 of 100 (Major)
Cardwell Marine Pde	Australia	Record daily precipitation	133.0 mm (5.2 in)	70 of 100 (Major)
Barcaldine Post Office	Australia	Record daily precipitation	113.6 mm (4.5 in)	65 of 100 (Major)
Aramac Post Office	Australia	Record daily precipitation	188.0 mm (7.4 in)	64 of 100 (Major)
Muttaburra	Australia	Record daily precipitation	79.2 mm (3.1 in)	61 of 100 (Major)
Hamlin 1SW	United States	Record daily precipitation	62.2 mm (2.4 in)	61 of 100 (Major)
Cunnamulla Post Office	Australia	Record daily precipitation	66.0 mm (2.6 in)	59 of 100 (Notable)
Aspermont	United States	Record daily precipitation	88.9 mm (3.5 in)	59 of 100 (Notable)
Weilmoringle (Caringle)	Australia	Record daily precipitation	45.0 mm (1.8 in)	57 of 100 (Notable)
Anson	United States	Record daily precipitation	41.9 mm (1.6 in)	57 of 100 (Notable)
Rocksprings	United States	Record daily precipitation	48.3 mm (1.9 in)	57 of 100 (Notable)
Mount Molloy Post Office	Australia	Record daily precipitation	59.0 mm (2.3 in)	56 of 100 (Notable)
Carnarvon Station	Australia	Record daily precipitation	123.0 mm (4.8 in)	56 of 100 (Notable)
Pine Hill Railway Station	Australia	Record daily precipitation	148.0 mm (5.8 in)	56 of 100 (Notable)
Brewarrina (Talawanta)	Australia	Record daily precipitation	46.4 mm (1.8 in)	55 of 100 (Notable)
Coreena	Australia	Record daily precipitation	165.0 mm (6.5 in)	54 of 100 (Notable)
Jhb-Norwood	South Africa	Record daily precipitation	64.0 mm (2.5 in)	53 of 100 (Notable)
Mount Leonard Station	Australia	Record daily precipitation	27.0 mm (1.1 in)	52 of 100 (Notable)
Cowra Ag Research Station	Australia	Record daily precipitation	43.0 mm (1.7 in)	49 of 100 (Notable)
Usina Avanhandava (Cpfl)	Brazil	Record daily precipitation	67.3 mm (2.6 in)	49 of 100 (Notable)
Otis	United States	Record daily precipitation	37.3 mm (1.5 in)	49 of 100 (Notable)
Thargomindah Post Office	Australia	Record daily precipitation	31.2 mm (1.2 in)	48 of 100 (Notable)
Monte Alegre de Minas	Brazil	Record daily precipitation	55.0 mm (2.2 in)	48 of 100 (Notable)
Cosmorama	Brazil	Record daily precipitation	60.6 mm (2.4 in)	48 of 100 (Notable)
Ujuk	Kazakhstan	Record daily precipitation	27.7 mm (1.1 in)	48 of 100 (Notable)
Yabulu Qld Nickel	Australia	Record daily precipitation	87.6 mm (3.4 in)	47 of 100 (Notable)
Yandaburra	Australia	Record daily precipitation	109.0 mm (4.3 in)	47 of 100 (Notable)
Macucos	Brazil	Record daily precipitation	61.7 mm (2.4 in)	47 of 100 (Notable)
Moroleon	Mexico	Record low maximum temperature	16.7 C (62.1 F)	47 of 100 (Notable)
Gail	United States	Record daily precipitation	70.6 mm (2.8 in)	47 of 100 (Notable)
Stamford 1	United States	Record daily precipitation	54.4 mm (2.1 in)	47 of 100 (Notable)
Mount Marlow	Australia	Record daily precipitation	29.5 mm (1.2 in)	46 of 100 (Notable)
Kahmoo	Australia	Record daily precipitation	48.0 mm (1.9 in)	46 of 100 (Notable)
Mendonca	Brazil	Record daily precipitation	57.8 mm (2.3 in)	46 of 100 (Notable)
Mina	United States	Record daily precipitation	28.2 mm (1.1 in)	46 of 100 (Notable)
Essex Downs Station	Australia	Record daily precipitation	32.0 mm (1.3 in)	45 of 100 (Notable)
Malanda Post Office	Australia	Record daily precipitation	47.8 mm (1.9 in)	45 of 100 (Notable)
Tully Sugar Mill	Australia	Record daily precipitation	171.0 mm (6.7 in)	45 of 100 (Notable)
Selvister	Australia	Record daily precipitation	64.0 mm (2.5 in)	45 of 100 (Notable)
Guaicara	Brazil	Record daily precipitation	60.2 mm (2.4 in)	45 of 100 (Notable)
Nova Itapirema	Brazil	Record daily precipitation	51.5 mm (2.0 in)	45 of 100 (Notable)
Penapolis	Brazil	Record daily precipitation	68.8 mm (2.7 in)	45 of 100 (Notable)
Monte Castelo	Brazil	Record daily precipitation	72.0 mm (2.8 in)	45 of 100 (Notable)
Palmerville	Australia	Record low maximum temperature	26.5 C (79.7 F)	44 of 100 (Notable)
Kairi Research Station	Australia	Record daily precipitation	35.0 mm (1.4 in)	44 of 100 (Notable)
Eungella National Park	Australia	Record daily precipitation	120.0 mm (4.7 in)	44 of 100 (Notable)
Lenorah	United States	Record daily precipitation	56.9 mm (2.2 in)	44 of 100 (Notable)
Clarendon	Australia	Record daily precipitation	79.2 mm (3.1 in)	43 of 100 (Notable)
Heron Island Res STN	Australia	Record daily precipitation	142.2 mm (5.6 in)	43 of 100 (Notable)
Pingine	Australia	Record daily precipitation	40.0 mm (1.6 in)	43 of 100 (Notable)
Enngonia (Belalie)	Australia	Record daily precipitation	28.2 mm (1.1 in)	43 of 100 (Notable)
Wichita Falls Muni AP	United States	Record daily precipitation	61.2 mm (2.4 in)	43 of 100 (Notable)
Club Crocodile Resort	Australia	Record daily precipitation	123.8 mm (4.9 in)	42 of 100 (Notable)
Landsborough Downs	Australia	Record daily precipitation	101.6 mm (4.0 in)	42 of 100 (Notable)
Aldville	Australia	Record daily precipitation	48.5 mm (1.9 in)	42 of 100 (Notable)
Olimpia	Brazil	Record daily precipitation	74.4 mm (2.9 in)	42 of 100 (Notable)
Usina Gaviao Peixoto (Cpfl)	Brazil	Record daily precipitation	45.6 mm (1.8 in)	42 of 100 (Notable)
Urupes	Brazil	Record daily precipitation	43.5 mm (1.7 in)	42 of 100 (Notable)
Fazenda Bom Retiro	Brazil	Record daily precipitation	62.9 mm (2.5 in)	42 of 100 (Notable)

Counts by Type and Timescale

1,368 records

Records set or tied on 18 April 1990 by type: Highest daily maximum 104, Lowest daily maximum 283, Highest daily minimum 188, Lowest daily minimum 193, Heaviest daily rainfall 583, Heaviest daily snowfall 12, Deepest snow cover 5.

Records on 18 April 1990 by type
Record type	Records
Highest daily maximum	104
Lowest daily maximum	283
Highest daily minimum	188
Lowest daily minimum	193
Heaviest daily rainfall	583
Heaviest daily snowfall	12
Deepest snow cover	5

Records on 18 April 1990 by timescale: all-time 1, monthly 38, daily 1,329.

How Much Records Were Beaten By

1,144 broken records

Margins by which the 1,144 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

18 April 1990

Top 20 records on 18 April 1990 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 1990	Bierbank, AU	monthly rain	129.0 mm (5.1 in)	45.9 mm (1.8 in)	96 years	79 of 100 (Major)
18 April 1990	Beaconsfield, AU	daily rain	83.2 mm (3.3 in)	83.2 mm (3.3 in)	94 years	77 of 100 (Major)
18 April 1990	Cardwell Marine Pde, AU	daily rain	133.0 mm (5.2 in)	84.2 mm (3.3 in)	93 years	70 of 100 (Major)
18 April 1990	Barcaldine Post Office, AU	daily rain	113.6 mm (4.5 in)	87.9 mm (3.5 in)	51 years	65 of 100 (Major)
18 April 1990	Aramac Post Office, AU	monthly rain	188.0 mm (7.4 in)	44.5 mm (1.8 in)	77 years	64 of 100 (Major)
18 April 1990	Muttaburra, AU	daily rain	79.2 mm (3.1 in)	42.1 mm (1.7 in)	95 years	61 of 100 (Major)
18 April 1990	Hamlin 1SW, US	daily rain	62.2 mm (2.4 in)	43.7 mm (1.7 in)	75 years	61 of 100 (Major)
18 April 1990	Cunnamulla Post Office, AU	daily rain	66.0 mm (2.6 in)	25.9 mm (1.0 in)	95 years	59 of 100 (Notable)
18 April 1990	Aspermont, US	daily rain	88.9 mm (3.5 in)	46.5 mm (1.8 in)	75 years	59 of 100 (Notable)
18 April 1990	Weilmoringle (Caringle), AU	daily rain	45.0 mm (1.8 in)	35.9 mm (1.4 in)	81 years	57 of 100 (Notable)
18 April 1990	Anson, US	daily rain	41.9 mm (1.6 in)	31.7 mm (1.2 in)	84 years	57 of 100 (Notable)
18 April 1990	Rocksprings, US	daily rain	48.3 mm (1.9 in)	31.8 mm (1.3 in)	91 years	57 of 100 (Notable)
18 April 1990	Mount Molloy Post Office, AU	daily rain	59.0 mm (2.3 in)	42.5 mm (1.7 in)	67 years	56 of 100 (Notable)
18 April 1990	Carnarvon Station, AU	monthly rain	123.0 mm (4.8 in)	70.0 mm (2.8 in)	0 years	56 of 100 (Notable)
18 April 1990	Pine Hill Railway Station, AU	monthly rain	148.0 mm (5.8 in)	47.7 mm (1.9 in)	21 years	56 of 100 (Notable)
18 April 1990	Brewarrina (Talawanta), AU	daily rain	46.4 mm (1.8 in)	33.7 mm (1.3 in)	81 years	55 of 100 (Notable)
18 April 1990	Coreena, AU	all-time rain	165.0 mm (6.5 in)	6.8 mm (0.27 in)	74 years	54 of 100 (Notable)
18 April 1990	Jhb-Norwood, ZA	daily rain	64.0 mm (2.5 in)	52.5 mm (2.1 in)	21 years	53 of 100 (Notable)
18 April 1990	Mount Leonard Station, AU	daily rain	27.0 mm (1.1 in)	27.0 mm (1.1 in)	64 years	52 of 100 (Notable)
18 April 1990	Cowra Ag Research Station, AU	daily rain	43.0 mm (1.7 in)	30.3 mm (1.2 in)	39 years	49 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 1,368 records.

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

Records on 04-18 in each year
Year	Records
1793	1
1807	2
1815	1
1838	1
1847	1
1849	1
1851	1
1852	3
1854	3
1855	1
1865	4
1867	1
1870	1
1871	1
1875	4
1877	2
1878	1
1879	3
1880	2
1884	2
1886	2
1887	3
1888	1
1889	1
1890	2
1891	1
1892	3
1893	5
1894	7
1895	2
1896	3
1897	5
1898	8
1899	2
1900	2
1901	6
1902	5
1903	11
1904	9
1905	12
1906	18
1907	17
1908	37
1909	19
1910	19
1911	25
1912	21
1913	26
1914	38
1915	31
1916	22
1917	40
1918	76
1919	16
1920	64
1921	58
1922	85
1923	107
1924	101
1925	154
1926	322
1927	391
1928	323
1929	126
1930	113
1931	173
1932	326
1933	211
1934	391
1935	264
1936	483
1937	477
1938	711
1939	525
1940	322
1941	496
1942	287
1943	298
1944	259
1945	371
1946	357
1947	444
1948	932
1949	345
1950	244
1951	658
1952	536
1953	1,322
1954	442
1955	817
1956	467
1957	629
1958	370
1959	468
1960	320
1961	520
1962	484
1963	662
1964	449
1965	363
1966	776
1967	882
1968	867
1969	795
1970	771
1971	1,106
1972	470
1973	953
1974	326
1975	751
1976	1,309
1977	717
1978	803
1979	841
1980	842
1981	708
1982	616
1983	2,082
1984	625
1985	1,119
1986	622
1987	1,068
1988	936
1989	625
1990	1,368
1991	780
1992	702
1993	730
1994	1,218
1995	1,601
1996	826
1997	1,256
1998	1,011
1999	1,428
2000	912
2001	1,487
2002	2,084
2003	969
2004	846
2005	622
2006	1,262
2007	675
2008	913
2009	624
2010	478
2011	1,122
2012	744
2013	2,509
2014	534
2015	519
2016	973
2017	588
2018	1,202
2019	601
2020	770
2021	592
2022	1,013
2023	739
2024	641
2025	997
2026	498

Download the Data

Data for records on 1990-04-18: 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	977
20 to 40	113
40 to 60	41
60 to 80	3
80 to 100	9
100 to 120	0
120 to 140	0
140 to 160	1