Weather Records on 20 April 1998

1,490 weather records were set or tied worldwide on 20 April 1998. Highest significance: Henbury, AU.

Key Facts for 20 April 1998

On 20 April 1998, 1,490 weather records were set or tied at long-record stations worldwide.
414 were record highs and 245 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 59 monthly and 1,429 daily.
Henbury set a daily record precipitation of 50.0 mm (2.0 in) on 20 April 1998.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 456 records.

Record Map

1,490 stations

1,490 station records on 20 April 1998 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 1998: highest significance records shown on the map
Station	Country	Type	Value	Significance
Henbury	Australia	Record daily precipitation	50.0 mm (2.0 in)	75 of 100 (Major)
Coomandook	Australia	Record daily precipitation	40.0 mm (1.6 in)	75 of 100 (Major)
Callington	Australia	Record daily precipitation	30.6 mm (1.2 in)	74 of 100 (Major)
Macclesfield	Australia	Record daily precipitation	40.6 mm (1.6 in)	72 of 100 (Major)
Happy Valley Reservoir	Australia	Record daily precipitation	47.5 mm (1.9 in)	71 of 100 (Major)
Laanecoorie Weir	Australia	Record daily precipitation	39.0 mm (1.5 in)	69 of 100 (Major)
Stansbury	Australia	Record daily precipitation	28.0 mm (1.1 in)	68 of 100 (Major)
Wanganella General Store	Australia	Record daily precipitation	34.0 mm (1.3 in)	68 of 100 (Major)
St Arnaud (Coonooer Bridge)	Australia	Record daily precipitation	35.8 mm (1.4 in)	68 of 100 (Major)
Belogorsk	Russia	Record daily precipitation	111.0 mm (4.4 in)	68 of 100 (Major)
St Arnaud	Australia	Record daily precipitation	62.8 mm (2.5 in)	67 of 100 (Major)
Beaufort (Wongan)	Australia	Record daily precipitation	33.0 mm (1.3 in)	67 of 100 (Major)
Goolwa Council Depot	Australia	Record daily precipitation	28.0 mm (1.1 in)	65 of 100 (Major)
Willunga	Australia	Record daily precipitation	35.8 mm (1.4 in)	65 of 100 (Major)
Mulwala Post Office	Australia	Record daily precipitation	41.4 mm (1.6 in)	65 of 100 (Major)
Mallan (Niemur Valley)	Australia	Record daily precipitation	28.6 mm (1.1 in)	65 of 100 (Major)
Adelaide (Seaton)	Australia	Record daily precipitation	39.2 mm (1.5 in)	64 of 100 (Major)
Kingston SE	Australia	Record daily precipitation	30.2 mm (1.2 in)	64 of 100 (Major)
Barnawartha	Australia	Record daily precipitation	44.2 mm (1.7 in)	64 of 100 (Major)
Boorhaman	Australia	Record daily precipitation	48.2 mm (1.9 in)	64 of 100 (Major)
Narrung (Yalkuri)	Australia	Record daily precipitation	30.6 mm (1.2 in)	61 of 100 (Major)
Cooke Plains	Australia	Record daily precipitation	34.2 mm (1.3 in)	61 of 100 (Major)
Moulamein Post Office	Australia	Record daily precipitation	36.8 mm (1.4 in)	61 of 100 (Major)
Tarnagulla	Australia	Record daily precipitation	34.6 mm (1.4 in)	61 of 100 (Major)
Belair (State Flora Nursery)	Australia	Record daily precipitation	51.4 mm (2.0 in)	60 of 100 (Major)
Parrakie	Australia	Record daily precipitation	33.2 mm (1.3 in)	60 of 100 (Major)
Edenhope (Post Office)	Australia	Record daily precipitation	27.0 mm (1.1 in)	60 of 100 (Major)
Avoca (Post Office)	Australia	Record daily precipitation	57.0 mm (2.2 in)	60 of 100 (Major)
Bealiba	Australia	Record daily precipitation	47.4 mm (1.9 in)	60 of 100 (Major)
Peechelba East	Australia	Record daily precipitation	49.0 mm (1.9 in)	60 of 100 (Major)
Waverly	United States	Record daily precipitation	35.8 mm (1.4 in)	60 of 100 (Major)
Hawley 1 E	United States	Record daily precipitation	49.5 mm (1.9 in)	60 of 100 (Major)
Bayard	United States	Record daily precipitation	40.4 mm (1.6 in)	60 of 100 (Major)
Adelaide (Pooraka)	Australia	Record daily precipitation	33.0 mm (1.3 in)	59 of 100 (Notable)
Lucindale Post Office	Australia	Record daily precipitation	26.2 mm (1.0 in)	59 of 100 (Notable)
Barkly	Australia	Record daily precipitation	47.4 mm (1.9 in)	59 of 100 (Notable)
Redbank	Australia	Record daily precipitation	50.0 mm (2.0 in)	58 of 100 (Notable)
Mintaro	Australia	Record daily precipitation	27.2 mm (1.1 in)	57 of 100 (Notable)
Adelaide (Glen Osmond)	Australia	Record daily precipitation	41.8 mm (1.6 in)	57 of 100 (Notable)
Robe Comparison	Australia	Record daily precipitation	43.0 mm (1.7 in)	57 of 100 (Notable)
Rainbow (Werrap (Oak-Lea))	Australia	Record daily precipitation	27.0 mm (1.1 in)	57 of 100 (Notable)
Galeton	United States	Record daily precipitation	44.5 mm (1.8 in)	57 of 100 (Notable)
McLaren Vale	Australia	Record daily precipitation	37.0 mm (1.5 in)	56 of 100 (Notable)
Meningie	Australia	Record daily precipitation	28.2 mm (1.1 in)	56 of 100 (Notable)
Urana Post Office	Australia	Record daily precipitation	38.2 mm (1.5 in)	56 of 100 (Notable)
Great Western (Seppelt)	Australia	Record daily precipitation	48.0 mm (1.9 in)	56 of 100 (Notable)
Bombay/Santacruz	India	Record daily precipitation	106.9 mm (4.2 in)	56 of 100 (Notable)
Tailem Bend	Australia	Record daily precipitation	31.0 mm (1.2 in)	55 of 100 (Notable)
Beulah	Australia	Record daily precipitation	29.0 mm (1.1 in)	55 of 100 (Notable)
Redesdale	Australia	Record daily precipitation	44.0 mm (1.7 in)	55 of 100 (Notable)
Debrecen Airport	Hungary	Record daily precipitation	41.5 mm (1.6 in)	55 of 100 (Notable)
Pineville	United States	Record daily precipitation	118.1 mm (4.6 in)	55 of 100 (Notable)
Liberty 1 NE	United States	Record daily precipitation	43.4 mm (1.7 in)	55 of 100 (Notable)
Conargo Post Office	Australia	Record daily precipitation	29.0 mm (1.1 in)	54 of 100 (Notable)
Tottington	Australia	Record daily precipitation	53.0 mm (2.1 in)	54 of 100 (Notable)
Charlton (Donald St)	Australia	Record daily precipitation	38.4 mm (1.5 in)	54 of 100 (Notable)
Creswick	Australia	Record daily precipitation	39.4 mm (1.6 in)	54 of 100 (Notable)
Highlands (Glentannar)	Australia	Record daily precipitation	40.9 mm (1.6 in)	54 of 100 (Notable)
Lexton	Australia	Record daily precipitation	51.0 mm (2.0 in)	54 of 100 (Notable)
Nairne	Australia	Record daily precipitation	36.6 mm (1.4 in)	53 of 100 (Notable)

Counts by Type and Timescale

1,490 records

Records set or tied on 20 April 1998 by type: Highest daily maximum 220, Lowest daily maximum 107, Highest daily minimum 194, Lowest daily minimum 138, Heaviest daily rainfall 821, Heaviest daily snowfall 3, Deepest snow cover 7.

Records on 20 April 1998 by type
Record type	Records
Highest daily maximum	220
Lowest daily maximum	107
Highest daily minimum	194
Lowest daily minimum	138
Heaviest daily rainfall	821
Heaviest daily snowfall	3
Deepest snow cover	7

Records on 20 April 1998 by timescale: all-time 2, monthly 59, daily 1,429.

How Much Records Were Beaten By

1,344 broken records

Margins by which the 1,344 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 270.0. Ties are not counted.

Top 20 by Significance

20 April 1998

Top 20 records on 20 April 1998 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 1998	Henbury, AU	daily rain	50.0 mm (2.0 in)	40.6 mm (1.6 in)	93 years	75 of 100 (Major)
20 April 1998	Coomandook, AU	daily rain	40.0 mm (1.6 in)	26.0 mm (1.0 in)	88 years	75 of 100 (Major)
20 April 1998	Callington, AU	daily rain	30.6 mm (1.2 in)	20.4 mm (0.8 in)	102 years	74 of 100 (Major)
20 April 1998	Macclesfield, AU	daily rain	40.6 mm (1.6 in)	25.6 mm (1.0 in)	102 years	72 of 100 (Major)
20 April 1998	Happy Valley Reservoir, AU	daily rain	47.5 mm (1.9 in)	24.6 mm (1.0 in)	88 years	71 of 100 (Major)
20 April 1998	Laanecoorie Weir, AU	daily rain	39.0 mm (1.5 in)	21.2 mm (0.8 in)	102 years	69 of 100 (Major)
20 April 1998	Stansbury, AU	daily rain	28.0 mm (1.1 in)	17.1 mm (0.7 in)	102 years	68 of 100 (Major)
20 April 1998	Wanganella General Store, AU	daily rain	34.0 mm (1.3 in)	24.3 mm (1.0 in)	106 years	68 of 100 (Major)
20 April 1998	St Arnaud (Coonooer Bridge), AU	daily rain	35.8 mm (1.4 in)	23.9 mm (0.9 in)	106 years	68 of 100 (Major)
20 April 1998	Belogorsk, RU	all-time rain	111.0 mm (4.4 in)	23.2 mm (0.9 in)	7 years	68 of 100 (Major)
20 April 1998	St Arnaud, AU	daily rain	62.8 mm (2.5 in)	33.6 mm (1.3 in)	63 years	67 of 100 (Major)
20 April 1998	Beaufort (Wongan), AU	daily rain	33.0 mm (1.3 in)	18.0 mm (0.7 in)	96 years	67 of 100 (Major)
20 April 1998	Goolwa Council Depot, AU	daily rain	28.0 mm (1.1 in)	17.8 mm (0.7 in)	88 years	65 of 100 (Major)
20 April 1998	Willunga, AU	daily rain	35.8 mm (1.4 in)	17.8 mm (0.7 in)	102 years	65 of 100 (Major)
20 April 1998	Mulwala Post Office, AU	daily rain	41.4 mm (1.6 in)	31.7 mm (1.2 in)	73 years	65 of 100 (Major)
20 April 1998	Mallan (Niemur Valley), AU	daily rain	28.6 mm (1.1 in)	17.9 mm (0.7 in)	102 years	65 of 100 (Major)
20 April 1998	Adelaide (Seaton), AU	daily rain	39.2 mm (1.5 in)	31.6 mm (1.2 in)	55 years	64 of 100 (Major)
20 April 1998	Kingston SE, AU	daily rain	30.2 mm (1.2 in)	21.6 mm (0.9 in)	55 years	64 of 100 (Major)
20 April 1998	Barnawartha, AU	daily rain	44.2 mm (1.7 in)	28.5 mm (1.1 in)	73 years	64 of 100 (Major)
20 April 1998	Boorhaman, AU	daily rain	48.2 mm (1.9 in)	35.5 mm (1.4 in)	55 years	64 of 100 (Major)

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

1807 to 1998

Records set or tied on this calendar date in each year from 1807 to 1998. 1998 had 1,490 records.

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

Records on 04-20 in each year
Year	Records
1807	3
1817	1
1838	1
1849	2
1851	1
1852	4
1854	1
1858	1
1860	1
1864	1
1865	3
1868	1
1869	1
1870	1
1872	1
1874	3
1875	4
1876	1
1878	2
1880	2
1881	2
1884	1
1885	1
1886	2
1889	1
1891	2
1892	1
1893	6
1894	8
1895	7
1896	3
1897	6
1898	1
1899	1
1901	8
1902	3
1903	14
1904	31
1905	9
1906	12
1907	18
1908	14
1909	22
1910	25
1911	18
1912	12
1913	19
1914	46
1915	45
1916	19
1917	33
1918	42
1919	17
1920	49
1921	27
1922	40
1923	157
1924	113
1925	169
1926	310
1927	442
1928	212
1929	182
1930	87
1931	255
1932	166
1933	279
1934	384
1935	384
1936	311
1937	427
1938	339
1939	158
1940	519
1941	558
1942	223
1943	670
1944	304
1945	391
1946	395
1947	308
1948	493
1949	477
1950	329
1951	690
1952	552
1953	1,071
1954	377
1955	623
1956	384
1957	730
1958	327
1959	563
1960	472
1961	1,078
1962	487
1963	595
1964	749
1965	724
1966	1,174
1967	864
1968	975
1969	382
1970	948
1971	765
1972	531
1973	982
1974	673
1975	344
1976	661
1977	693
1978	800
1979	495
1980	1,539
1981	706
1982	906
1983	1,844
1984	922
1985	1,140
1986	770
1987	1,447
1988	1,144
1989	1,187
1990	1,495
1991	1,075
1992	1,009
1993	772
1994	756
1995	1,351
1996	970
1997	833
1998	1,490
1999	674
2000	931
2001	752
2002	1,081
2003	758
2004	567
2005	707
2006	859
2007	582
2008	1,110
2009	845
2010	693
2011	1,477
2012	726
2013	1,520
2014	384
2015	702
2016	650
2017	734
2018	1,309
2019	1,019
2020	449
2021	1,215
2022	596
2023	828
2024	673
2025	836
2026	533

Download the Data

Data for records on 1998-04-20: 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 50	1,339
50 to 100	3
100 to 150	0
150 to 200	1
200 to 250	0
250 to 300	1