Weather Records on 20 April 1989

1,187 weather records were set or tied worldwide on 20 April 1989. Highest significance: Clanwilliam (Pol), ZA.

Key Facts for 20 April 1989

On 20 April 1989, 1,187 weather records were set or tied at long-record stations worldwide.
882 were record highs and 89 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 89 monthly and 1,097 daily.
Clanwilliam (Pol) set a daily record precipitation of 34.0 mm (1.3 in) on 20 April 1989.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 457 records.

Record Map

1,187 stations

1,187 station records on 20 April 1989 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 1989: highest significance records shown on the map
Station	Country	Type	Value	Significance
Clanwilliam (Pol)	South Africa	Record daily precipitation	34.0 mm (1.3 in)	64 of 100 (Major)
McGregor (Pol)	South Africa	Record daily precipitation	44.0 mm (1.7 in)	60 of 100 (Major)
Matjiesfontein (Sar)	South Africa	Record daily precipitation	26.0 mm (1.0 in)	55 of 100 (Notable)
Worcester	South Africa	Record daily precipitation	35.0 mm (1.4 in)	52 of 100 (Notable)
Toolebuc	Australia	Record daily precipitation	50.0 mm (2.0 in)	50 of 100 (Notable)
Cardoso Moreira	Brazil	Record daily precipitation	46.2 mm (1.8 in)	50 of 100 (Notable)
Rhebokskraal	South Africa	Record daily precipitation	41.7 mm (1.6 in)	50 of 100 (Notable)
Castelo	Brazil	Record daily precipitation	74.5 mm (2.9 in)	49 of 100 (Notable)
Ely AP	United States	Record high minimum temperature	8.9 C (48.0 F)	48 of 100 (Notable)
Mareeba Qwrc	Australia	Record daily precipitation	30.0 mm (1.2 in)	47 of 100 (Notable)
Clohesy River	Australia	Record daily precipitation	42.8 mm (1.7 in)	46 of 100 (Notable)
Cairns Aero	Australia	Record daily precipitation	96.0 mm (3.8 in)	45 of 100 (Notable)
Shiptons Flat	Australia	Record daily precipitation	141.0 mm (5.6 in)	44 of 100 (Notable)
Socorro	United States	Record high maximum temperature	35.0 C (95.0 F)	44 of 100 (Notable)
The Dalles	United States	Record high minimum temperature	12.8 C (55.0 F)	44 of 100 (Notable)
Swellendam (Tnk)	South Africa	Record daily precipitation	40.3 mm (1.6 in)	43 of 100 (Notable)
Diepdrift	South Africa	Record daily precipitation	25.0 mm (1.0 in)	42 of 100 (Notable)
Chiricahua Nm	United States	Record high maximum temperature	32.8 C (91.0 F)	42 of 100 (Notable)
Rangely 1E	United States	Record high minimum temperature	7.8 C (46.0 F)	42 of 100 (Notable)
Visby_Flygplats	Sweden	Record low minimum temperature	-3.5 C (25.7 F)	41 of 100 (Notable)
Rangely 1E	United States	Record high maximum temperature	28.3 C (82.9 F)	41 of 100 (Notable)
Yuncheng	China	Record daily precipitation	46.3 mm (1.8 in)	40 of 100 (Notable)
Keams Canyon	United States	Record high maximum temperature	27.8 C (82.0 F)	40 of 100 (Notable)
Steamboat Springs	United States	Record high maximum temperature	25.0 C (77.0 F)	40 of 100 (Notable)
Meringa Sugar Exp STN	Australia	Record daily precipitation	84.6 mm (3.3 in)	39 of 100 (Notable)
Estevao Pinto	Brazil	Record daily precipitation	43.0 mm (1.7 in)	39 of 100 (Notable)
Mina	United States	Record high minimum temperature	11.7 C (53.1 F)	39 of 100 (Notable)
Flagstaff AP	United States	Record high maximum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Kuranda Forestry	Australia	Record daily precipitation	106.0 mm (4.2 in)	38 of 100 (Notable)
Blue	United States	Record high minimum temperature	6.1 C (43.0 F)	38 of 100 (Notable)
Buckeye	United States	Record high maximum temperature	41.1 C (106.0 F)	38 of 100 (Notable)
Telluride 4WNW	United States	Record high maximum temperature	22.8 C (73.0 F)	38 of 100 (Notable)
Scipio	United States	Record high minimum temperature	12.2 C (54.0 F)	38 of 100 (Notable)
Anta	Brazil	Record daily precipitation	35.4 mm (1.4 in)	37 of 100 (Notable)
Shijiazhuang	China	Record daily precipitation	30.3 mm (1.2 in)	37 of 100 (Notable)
Bodie California St Historic P	United States	Record high minimum temperature	0.0 C (32.0 F)	37 of 100 (Notable)
Independence	United States	Record high minimum temperature	15.6 C (60.1 F)	37 of 100 (Notable)
Durango	United States	Record high maximum temperature	26.1 C (79.0 F)	37 of 100 (Notable)
Rocky Ford 2 SE	United States	Record high maximum temperature	33.3 C (91.9 F)	37 of 100 (Notable)
McGill	United States	Record high minimum temperature	12.2 C (54.0 F)	37 of 100 (Notable)
Ellensburg	United States	Record high minimum temperature	8.3 C (46.9 F)	37 of 100 (Notable)
Bodie California St Historic P	United States	Record high maximum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Merced	United States	Record high minimum temperature	15.0 C (59.0 F)	36 of 100 (Notable)
Leroy 5 WSW	United States	Record high minimum temperature	10.0 C (50.0 F)	36 of 100 (Notable)
Columbus 3 NE	United States	Record high maximum temperature	33.3 C (91.9 F)	36 of 100 (Notable)
Bosque del Apache	United States	Record high maximum temperature	35.6 C (96.1 F)	36 of 100 (Notable)
Gage	United States	Record high maximum temperature	35.6 C (96.1 F)	36 of 100 (Notable)
Aneth Plt	United States	Record high minimum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Clayton Muni Air Pk	United States	Record high maximum temperature	32.2 C (90.0 F)	36 of 100 (Notable)
Sao Jose Do Calcado	Brazil	Record daily precipitation	57.2 mm (2.3 in)	35 of 100 (Notable)
Rawsonville (Pol)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	35 of 100 (Notable)
Eureka	United States	Record high minimum temperature	8.9 C (48.0 F)	35 of 100 (Notable)
Laguna	United States	Record high maximum temperature	31.1 C (88.0 F)	35 of 100 (Notable)
Zion Np	United States	Record high minimum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Blaine	United States	Record high minimum temperature	9.4 C (48.9 F)	35 of 100 (Notable)
Conceicao Do Castelo (Dnos)	Brazil	Record daily precipitation	41.9 mm (1.6 in)	34 of 100 (Routine)
Huntington Lake	United States	Record high minimum temperature	7.2 C (45.0 F)	34 of 100 (Routine)
Las Animas	United States	Record high maximum temperature	35.6 C (96.1 F)	34 of 100 (Routine)
Grangeville	United States	Record high maximum temperature	26.7 C (80.1 F)	34 of 100 (Routine)
Bell Ranch	United States	Record high maximum temperature	33.3 C (91.9 F)	34 of 100 (Routine)

Counts by Type and Timescale

1,187 records

Records set or tied on 20 April 1989 by type: Highest daily maximum 522, Lowest daily maximum 37, Highest daily minimum 360, Lowest daily minimum 52, Heaviest daily rainfall 214, Deepest snow cover 2.

Records on 20 April 1989 by type
Record type	Records
Highest daily maximum	522
Lowest daily maximum	37
Highest daily minimum	360
Lowest daily minimum	52
Heaviest daily rainfall	214
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 20 April 1989 by timescale: all-time 1, monthly 89, daily 1,097.

How Much Records Were Beaten By

928 broken records

Margins by which the 928 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 170.0. Ties are not counted.

Top 20 by Significance

20 April 1989

Top 20 records on 20 April 1989 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 1989	Clanwilliam (Pol), ZA	daily rain	34.0 mm (1.3 in)	19.3 mm (0.8 in)	93 years	64 of 100 (Major)
20 April 1989	McGregor (Pol), ZA	daily rain	44.0 mm (1.7 in)	36.4 mm (1.4 in)	38 years	60 of 100 (Major)
20 April 1989	Matjiesfontein (Sar), ZA	daily rain	26.0 mm (1.0 in)	10.8 mm (0.4 in)	105 years	55 of 100 (Notable)
20 April 1989	Worcester, ZA	daily rain	35.0 mm (1.4 in)	24.1 mm (0.9 in)	38 years	52 of 100 (Notable)
20 April 1989	Toolebuc, AU	daily rain	50.0 mm (2.0 in)	47.7 mm (1.9 in)	47 years	50 of 100 (Notable)
20 April 1989	Cardoso Moreira, BR	daily rain	46.2 mm (1.8 in)	35.0 mm (1.4 in)	38 years	50 of 100 (Notable)
20 April 1989	Rhebokskraal, ZA	daily rain	41.7 mm (1.6 in)	31.3 mm (1.2 in)	54 years	50 of 100 (Notable)
20 April 1989	Castelo, BR	daily rain	74.5 mm (2.9 in)	44.3 mm (1.7 in)	44 years	49 of 100 (Notable)
20 April 1989	Ely AP, US	daily high min	8.9 C (48.0 F)	4.5 C (8.1 F)	94 years	48 of 100 (Notable)
20 April 1989	Mareeba Qwrc, AU	daily rain	30.0 mm (1.2 in)	25.2 mm (1.0 in)	31 years	47 of 100 (Notable)
20 April 1989	Clohesy River, AU	daily rain	42.8 mm (1.7 in)	29.8 mm (1.2 in)	55 years	46 of 100 (Notable)
20 April 1989	Cairns Aero, AU	daily rain	96.0 mm (3.8 in)	64.5 mm (2.5 in)	24 years	45 of 100 (Notable)
20 April 1989	Shiptons Flat, AU	daily rain	141.0 mm (5.6 in)	124.0 mm (4.9 in)	19 years	44 of 100 (Notable)
20 April 1989	Socorro, US	monthly high max	35.0 C (95.0 F)	0.6 C (1.1 F)	82 years	44 of 100 (Notable)
20 April 1989	The Dalles, US	daily high min	12.8 C (55.0 F)	2.8 C (5.0 F)	90 years	44 of 100 (Notable)
20 April 1989	Swellendam (Tnk), ZA	daily rain	40.3 mm (1.6 in)	19.5 mm (0.8 in)	66 years	43 of 100 (Notable)
20 April 1989	Diepdrift, ZA	daily rain	25.0 mm (1.0 in)	25.0 mm (1.0 in)	54 years	42 of 100 (Notable)
20 April 1989	Chiricahua Nm, US	monthly high max	32.8 C (91.0 F)	0.6 C (1.1 F)	78 years	42 of 100 (Notable)
20 April 1989	Rangely 1E, US	daily high min	7.8 C (46.0 F)	2.2 C (4.0 F)	93 years	42 of 100 (Notable)
20 April 1989	Visby_Flygplats, SE	daily low min	-3.5 C (25.7 F)	0.5 C (0.9 F)	104 years	41 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

1807 to 1989

Records set or tied on this calendar date in each year from 1807 to 1989. 1989 had 1,187 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 1989-04-20: 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 25	908
25 to 50	14
50 to 75	3
75 to 100	1
100 to 125	1
125 to 150	0
150 to 175	1