Weather Records on 20 June 1984

686 weather records were set or tied worldwide on 20 June 1984. Highest significance: East London -Signal STN, ZA.

Key Facts for 20 June 1984

On 20 June 1984, 686 weather records were set or tied at long-record stations worldwide.
193 were record highs and 127 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 677 daily.
East London -Signal STN set a daily record precipitation of 53.0 mm (2.1 in) on 20 June 1984.
Across 158 earlier years (1800 to 2026) the same calendar date averaged 456 records.

Record Map

686 stations

686 station records on 20 June 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 June 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
East London -Signal STN	South Africa	Record daily precipitation	53.0 mm (2.1 in)	79 of 100 (Major)
Nerriga Composite	Australia	Record daily precipitation	100.8 mm (4.0 in)	65 of 100 (Major)
Bungonia (Inverary Park)	Australia	Record daily precipitation	73.8 mm (2.9 in)	64 of 100 (Major)
Komga (Pol)	South Africa	Record daily precipitation	81.5 mm (3.2 in)	63 of 100 (Major)
Vryburg (Pol)	South Africa	Record daily precipitation	31.0 mm (1.2 in)	62 of 100 (Major)
Bundanoon Bowling Club	Australia	Record daily precipitation	132.0 mm (5.2 in)	61 of 100 (Major)
Rietfontein (Skl)	South Africa	Record daily precipitation	65.0 mm (2.6 in)	59 of 100 (Notable)
Breadalbane (Old Post Office)	Australia	Record daily precipitation	32.4 mm (1.3 in)	57 of 100 (Notable)
Habary	Russia	Record daily precipitation	36.0 mm (1.4 in)	57 of 100 (Notable)
Peddie (Mag)	South Africa	Record daily precipitation	57.5 mm (2.3 in)	56 of 100 (Notable)
Chatsbury (Maryland)	Australia	Record daily precipitation	61.6 mm (2.4 in)	55 of 100 (Notable)
Woodhouselee (Leeston)	Australia	Record daily precipitation	46.6 mm (1.8 in)	54 of 100 (Notable)
Port Alfred	South Africa	Record daily precipitation	57.5 mm (2.3 in)	54 of 100 (Notable)
Portland Intl AP	United States	Record daily precipitation	37.1 mm (1.5 in)	54 of 100 (Notable)
Manubie (Bos)	South Africa	Record daily precipitation	97.5 mm (3.8 in)	53 of 100 (Notable)
Dzhambejty	Kazakhstan	Record daily precipitation	26.9 mm (1.1 in)	51 of 100 (Notable)
Welgeleven	South Africa	Record daily precipitation	26.5 mm (1.0 in)	51 of 100 (Notable)
Mae Sot	Thailand	Record daily precipitation	67.7 mm (2.7 in)	51 of 100 (Notable)
Seattle Urban Site	United States	Record daily precipitation	30.5 mm (1.2 in)	51 of 100 (Notable)
Batemans Bay Post Office	Australia	Record daily precipitation	124.8 mm (4.9 in)	50 of 100 (Notable)
Moss Vale (Hoskins Street)	Australia	Record daily precipitation	98.8 mm (3.9 in)	49 of 100 (Notable)
Arlington 1 W	United States	Record daily precipitation	64.0 mm (2.5 in)	49 of 100 (Notable)
Windsor Bowling Club	Australia	Record daily precipitation	42.4 mm (1.7 in)	48 of 100 (Notable)
Hoquiam Bowerman AP	United States	Record daily precipitation	33.8 mm (1.3 in)	48 of 100 (Notable)
Belanglo State Forest	Australia	Record daily precipitation	75.0 mm (3.0 in)	47 of 100 (Notable)
Robertson (Caalong Street)	Australia	Record daily precipitation	111.0 mm (4.4 in)	47 of 100 (Notable)
Bodalla Post Office	Australia	Record daily precipitation	92.0 mm (3.6 in)	47 of 100 (Notable)
Oxford	United Kingdom	Record high minimum temperature	17.7 C (63.9 F)	47 of 100 (Notable)
East London	South Africa	Record daily precipitation	54.0 mm (2.1 in)	46 of 100 (Notable)
Zwartruggens (Pol)	South Africa	Record daily precipitation	35.0 mm (1.4 in)	46 of 100 (Notable)
Crookwell (Gundowringa)	Australia	Record daily precipitation	37.0 mm (1.5 in)	45 of 100 (Notable)
Silverdales	South Africa	Record daily precipitation	72.5 mm (2.9 in)	45 of 100 (Notable)
Doornkom	South Africa	Record daily precipitation	25.5 mm (1.0 in)	44 of 100 (Notable)
Grangeville	United States	Record daily precipitation	38.4 mm (1.5 in)	43 of 100 (Notable)
Kei Road (Pol)	South Africa	Record daily precipitation	25.0 mm (1.0 in)	42 of 100 (Notable)
Kurrajong Heights (Bells Line	Australia	Record daily precipitation	51.8 mm (2.0 in)	41 of 100 (Notable)
Menangle Jmai	Australia	Record daily precipitation	46.3 mm (1.8 in)	41 of 100 (Notable)
Mimosa Park	South Africa	Record daily precipitation	33.5 mm (1.3 in)	41 of 100 (Notable)
Vida 6 NE	United States	Record daily precipitation	53.3 mm (2.1 in)	41 of 100 (Notable)
Bloomfield	United States	Record daily precipitation	48.8 mm (1.9 in)	41 of 100 (Notable)
Borzomi	Georgia	Record daily precipitation	35.2 mm (1.4 in)	40 of 100 (Notable)
Klipdrift	South Africa	Record daily precipitation	29.0 mm (1.1 in)	40 of 100 (Notable)
Murfreesboro 5 N	United States	Record daily precipitation	66.0 mm (2.6 in)	40 of 100 (Notable)
Braidwood (Wallace Street)	Australia	Record daily precipitation	71.8 mm (2.8 in)	39 of 100 (Notable)
Charleyong	Australia	Record daily precipitation	81.0 mm (3.2 in)	39 of 100 (Notable)
Marulan (George St)	Australia	Record daily precipitation	64.8 mm (2.6 in)	39 of 100 (Notable)
Bannaby (Hillasmount)	Australia	Record daily precipitation	45.0 mm (1.8 in)	38 of 100 (Notable)
El Sauz	Mexico	Record daily precipitation	45.0 mm (1.8 in)	38 of 100 (Notable)
Turquoise Bonanza Ck	United States	Record daily precipitation	29.2 mm (1.1 in)	38 of 100 (Notable)
Goulburn (Kippilaw)	Australia	Record daily precipitation	44.2 mm (1.7 in)	37 of 100 (Notable)
Big Hill (Glen Dusk)	Australia	Record daily precipitation	60.0 mm (2.4 in)	37 of 100 (Notable)
Bartow 1SE	United States	Record high minimum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Tyndall	United States	Record daily precipitation	39.1 mm (1.5 in)	37 of 100 (Notable)
Vladikavkaz	Russia	Record daily precipitation	34.6 mm (1.4 in)	36 of 100 (Notable)
Puyallup 2 W Exp STN	United States	Record daily precipitation	27.7 mm (1.1 in)	36 of 100 (Notable)
Bathurst Ns,	South Africa	Record daily precipitation	37.0 mm (1.5 in)	35 of 100 (Notable)
Orogrande	United States	Record low maximum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Leola	United States	Record high minimum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Lake Bathurst (Somerton)	Australia	Record daily precipitation	60.0 mm (2.4 in)	34 of 100 (Routine)
Sanalona II	Mexico	Record daily precipitation	38.1 mm (1.5 in)	34 of 100 (Routine)

Counts by Type and Timescale

686 records

Records set or tied on 20 June 1984 by type: Highest daily maximum 84, Lowest daily maximum 76, Highest daily minimum 109, Lowest daily minimum 51, Heaviest daily rainfall 366.

Records on 20 June 1984 by type
Record type	Records
Highest daily maximum	84
Lowest daily maximum	76
Highest daily minimum	109
Lowest daily minimum	51
Heaviest daily rainfall	366
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 June 1984 by timescale: all-time 0, monthly 9, daily 677.

How Much Records Were Beaten By

575 broken records

Margins by which the 575 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 87.8. Ties are not counted.

Top 20 by Significance

20 June 1984

Top 20 records on 20 June 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 June 1984	East London -Signal STN, ZA	daily rain	53.0 mm (2.1 in)	48.7 mm (1.9 in)	103 years	79 of 100 (Major)
20 June 1984	Nerriga Composite, AU	daily rain	100.8 mm (4.0 in)	63.2 mm (2.5 in)	59 years	65 of 100 (Major)
20 June 1984	Bungonia (Inverary Park), AU	daily rain	73.8 mm (2.9 in)	41.3 mm (1.6 in)	59 years	64 of 100 (Major)
20 June 1984	Komga (Pol), ZA	daily rain	81.5 mm (3.2 in)	59.4 mm (2.3 in)	46 years	63 of 100 (Major)
20 June 1984	Vryburg (Pol), ZA	daily rain	31.0 mm (1.2 in)	24.6 mm (1.0 in)	89 years	62 of 100 (Major)
20 June 1984	Bundanoon Bowling Club, AU	daily rain	132.0 mm (5.2 in)	87.8 mm (3.5 in)	59 years	61 of 100 (Major)
20 June 1984	Rietfontein (Skl), ZA	daily rain	65.0 mm (2.6 in)	65.0 mm (2.6 in)	49 years	59 of 100 (Notable)
20 June 1984	Breadalbane (Old Post Office), AU	daily rain	32.4 mm (1.3 in)	21.0 mm (0.8 in)	76 years	57 of 100 (Notable)
20 June 1984	Habary, RU	daily rain	36.0 mm (1.4 in)	28.0 mm (1.1 in)	45 years	57 of 100 (Notable)
20 June 1984	Peddie (Mag), ZA	daily rain	57.5 mm (2.3 in)	36.9 mm (1.5 in)	59 years	56 of 100 (Notable)
20 June 1984	Chatsbury (Maryland), AU	daily rain	61.6 mm (2.4 in)	31.4 mm (1.2 in)	59 years	55 of 100 (Notable)
20 June 1984	Woodhouselee (Leeston), AU	daily rain	46.6 mm (1.8 in)	14.6 mm (0.6 in)	102 years	54 of 100 (Notable)
20 June 1984	Port Alfred, ZA	daily rain	57.5 mm (2.3 in)	24.5 mm (1.0 in)	84 years	54 of 100 (Notable)
20 June 1984	Portland Intl AP, US	daily rain	37.1 mm (1.5 in)	29.7 mm (1.2 in)	36 years	54 of 100 (Notable)
20 June 1984	Manubie (Bos), ZA	daily rain	97.5 mm (3.8 in)	77.2 mm (3.0 in)	46 years	53 of 100 (Notable)
20 June 1984	Dzhambejty, KZ	daily rain	26.9 mm (1.1 in)	19.9 mm (0.8 in)	45 years	51 of 100 (Notable)
20 June 1984	Welgeleven, ZA	daily rain	26.5 mm (1.0 in)	26.5 mm (1.0 in)	65 years	51 of 100 (Notable)
20 June 1984	Mae Sot, TH	daily rain	67.7 mm (2.7 in)	50.2 mm (2.0 in)	28 years	51 of 100 (Notable)
20 June 1984	Seattle Urban Site, US	daily rain	30.5 mm (1.2 in)	10.2 mm (0.4 in)	72 years	51 of 100 (Notable)
20 June 1984	Batemans Bay Post Office, AU	daily rain	124.8 mm (4.9 in)	30.3 mm (1.2 in)	87 years	50 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

1800 to 1984

Records set or tied on this calendar date in each year from 1800 to 1984. 1984 had 686 records.

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

Records on 06-20 in each year
Year	Records
1800	1
1803	1
1813	1
1821	2
1838	1
1839	1
1841	1
1844	1
1846	2
1847	1
1850	1
1855	2
1857	1
1861	1
1865	2
1867	1
1869	2
1872	1
1873	1
1877	2
1879	1
1884	1
1886	2
1887	2
1891	2
1892	2
1893	2
1895	4
1896	3
1897	6
1898	3
1899	6
1900	4
1901	5
1902	7
1903	22
1904	13
1905	14
1906	18
1907	10
1908	30
1909	9
1910	27
1911	27
1912	17
1913	30
1914	53
1915	75
1916	83
1917	96
1918	54
1919	67
1920	40
1921	42
1922	61
1923	263
1924	204
1925	483
1926	228
1927	193
1928	199
1929	137
1930	143
1931	536
1932	182
1933	676
1934	301
1935	337
1936	529
1937	412
1938	326
1939	270
1940	469
1941	200
1942	757
1943	447
1944	315
1945	769
1946	849
1947	387
1948	554
1949	314
1950	328
1951	289
1952	318
1953	998
1954	414
1955	291
1956	484
1957	598
1958	603
1959	504
1960	451
1961	836
1962	173
1963	379
1964	729
1965	463
1966	441
1967	687
1968	559
1969	982
1970	482
1971	395
1972	660
1973	553
1974	743
1975	984
1976	899
1977	453
1978	480
1979	727
1980	922
1981	987
1982	801
1983	724
1984	686
1985	811
1986	732
1987	960
1988	1,222
1989	918
1990	899
1991	1,085
1992	1,049
1993	964
1994	925
1995	1,260
1996	1,123
1997	738
1998	1,627
1999	906
2000	1,328
2001	771
2002	955
2003	843
2004	1,071
2005	1,055
2006	820
2007	1,208
2008	669
2009	1,060
2010	865
2011	1,359
2012	1,045
2013	879
2014	381
2015	637
2016	1,352
2017	1,086
2018	635
2019	693
2020	590
2021	1,161
2022	972
2023	1,265
2024	783
2025	944
2026	757

Download the Data

Data for records on 1984-06-20: 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 20	512
20 to 40	49
40 to 60	9
60 to 80	4
80 to 100	1