Weather Records on 18 June 1984

716 weather records were set or tied worldwide on 18 June 1984. Highest significance: Bradford Cntrl Fs, US.

Key Facts for 18 June 1984

On 18 June 1984, 716 weather records were set or tied at long-record stations worldwide.
228 were record highs and 110 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 19 monthly and 695 daily.
Bradford Cntrl Fs set a daily record precipitation of 67.6 mm (2.7 in) on 18 June 1984.
Across 162 earlier years (1800 to 2026) the same calendar date averaged 434 records.

Record Map

716 stations

716 station records on 18 June 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 June 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bradford Cntrl Fs	United States	Record daily precipitation	67.6 mm (2.7 in)	64 of 100 (Major)
Somerset	Australia	Record daily precipitation	54.8 mm (2.2 in)	63 of 100 (Major)
Alfred	United States	Record daily precipitation	84.6 mm (3.3 in)	63 of 100 (Major)
Villa Ahumada	Mexico	Record daily precipitation	35.8 mm (1.4 in)	62 of 100 (Major)
Warra Post Office	Australia	Record daily precipitation	65.4 mm (2.6 in)	61 of 100 (Major)
Tweed Heads Golf Club	Australia	Record daily precipitation	139.4 mm (5.5 in)	59 of 100 (Notable)
Cheriton	Australia	Record daily precipitation	46.8 mm (1.8 in)	58 of 100 (Notable)
Newport River	United States	Record daily precipitation	91.4 mm (3.6 in)	58 of 100 (Notable)
Addison	United States	Record daily precipitation	47.0 mm (1.9 in)	56 of 100 (Notable)
Talwood State School	Australia	Record daily precipitation	78.0 mm (3.1 in)	55 of 100 (Notable)
Habary	Russia	Record daily precipitation	34.7 mm (1.4 in)	55 of 100 (Notable)
Wiscoy 1 E	United States	Record daily precipitation	64.8 mm (2.6 in)	55 of 100 (Notable)
Jimenez (Smn)	Mexico	Record daily precipitation	46.5 mm (1.8 in)	54 of 100 (Notable)
Little Valley	United States	Record daily precipitation	76.7 mm (3.0 in)	54 of 100 (Notable)
Canisteo 1 SW	United States	Record daily precipitation	100.3 mm (3.9 in)	52 of 100 (Notable)
State College	United States	Record daily precipitation	65.8 mm (2.6 in)	52 of 100 (Notable)
Federal Post Office	Australia	Record daily precipitation	105.1 mm (4.1 in)	51 of 100 (Notable)
Kenhardt (Pol)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	51 of 100 (Notable)
Kogan Post Office	Australia	Record daily precipitation	70.6 mm (2.8 in)	49 of 100 (Notable)
Barakula Forest STN	Australia	Record daily precipitation	56.0 mm (2.2 in)	49 of 100 (Notable)
Togul	Russia	Record daily precipitation	31.5 mm (1.2 in)	49 of 100 (Notable)
Haskinville	United States	Record daily precipitation	51.1 mm (2.0 in)	49 of 100 (Notable)
Olean	United States	Record daily precipitation	61.0 mm (2.4 in)	49 of 100 (Notable)
Hebel Store	Australia	Record daily precipitation	56.4 mm (2.2 in)	48 of 100 (Notable)
Rushford	United States	Record daily precipitation	68.8 mm (2.7 in)	48 of 100 (Notable)
Condamine	Australia	Record daily precipitation	51.0 mm (2.0 in)	47 of 100 (Notable)
Whian Whian (Rummery Park)	Australia	Record daily precipitation	168.5 mm (6.6 in)	47 of 100 (Notable)
Sandusky	United States	Record daily precipitation	68.6 mm (2.7 in)	47 of 100 (Notable)
Fernflat	Australia	Record daily precipitation	56.6 mm (2.2 in)	46 of 100 (Notable)
Cheshunt	Australia	Record daily precipitation	62.2 mm (2.4 in)	46 of 100 (Notable)
Arcade	United States	Record daily precipitation	72.9 mm (2.9 in)	46 of 100 (Notable)
Clarence	United States	Record daily precipitation	90.2 mm (3.6 in)	46 of 100 (Notable)
Bungunya School	Australia	Record daily precipitation	73.8 mm (2.9 in)	45 of 100 (Notable)
Kane 1NNE	United States	Record daily precipitation	50.0 mm (2.0 in)	45 of 100 (Notable)
Harewood	Australia	Record daily precipitation	57.0 mm (2.2 in)	44 of 100 (Notable)
Sherman	United States	Record daily precipitation	66.0 mm (2.6 in)	44 of 100 (Notable)
Chickasha Exp STN	United States	Record daily precipitation	60.7 mm (2.4 in)	44 of 100 (Notable)
Rainworth	Australia	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Broadacres	Australia	Record daily precipitation	57.0 mm (2.2 in)	43 of 100 (Notable)
Ulupna	Australia	Record daily precipitation	50.0 mm (2.0 in)	43 of 100 (Notable)
Sinnemahoning	United States	Record daily precipitation	105.4 mm (4.1 in)	43 of 100 (Notable)
Clayton Muni Air Pk	United States	Record daily precipitation	60.2 mm (2.4 in)	43 of 100 (Notable)
Baldwin	United States	Record daily precipitation	80.0 mm (3.1 in)	42 of 100 (Notable)
Caledonia	United States	Record daily precipitation	80.0 mm (3.1 in)	42 of 100 (Notable)
Selinsgrove 2 S	United States	Record daily precipitation	53.6 mm (2.1 in)	42 of 100 (Notable)
Glen Alvon	Australia	Record daily precipitation	48.0 mm (1.9 in)	41 of 100 (Notable)
Kenilworth	Australia	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Charlotte Plains	Australia	Record daily precipitation	31.0 mm (1.2 in)	41 of 100 (Notable)
Wakkanai	Japan	Record daily precipitation	45.5 mm (1.8 in)	41 of 100 (Notable)
Cedar Run (River)	United States	Record daily precipitation	44.5 mm (1.8 in)	41 of 100 (Notable)
Toogoolawah Post Office	Australia	Record daily precipitation	33.8 mm (1.3 in)	40 of 100 (Notable)
Muckadilla Post Office	Australia	Record daily precipitation	30.2 mm (1.2 in)	40 of 100 (Notable)
Auburn 2 SSE	United States	Record high minimum temperature	22.8 C (73.0 F)	40 of 100 (Notable)
Millheim	United States	Record daily precipitation	157.5 mm (6.2 in)	40 of 100 (Notable)
Pechey Forestry	Australia	Record daily precipitation	35.0 mm (1.4 in)	39 of 100 (Notable)
Ourigilla	Australia	Record daily precipitation	49.2 mm (1.9 in)	39 of 100 (Notable)
La Boquilla	Mexico	Record daily precipitation	28.4 mm (1.1 in)	39 of 100 (Notable)
Stanton	United States	Record daily precipitation	92.7 mm (3.6 in)	39 of 100 (Notable)
Allegany Sp	United States	Record daily precipitation	101.6 mm (4.0 in)	39 of 100 (Notable)
Ft Atkinson Wwtp	United States	Record daily precipitation	60.5 mm (2.4 in)	39 of 100 (Notable)

Counts by Type and Timescale

716 records

Records set or tied on 18 June 1984 by type: Highest daily maximum 48, Lowest daily maximum 70, Highest daily minimum 180, Lowest daily minimum 40, Heaviest daily rainfall 378.

Records on 18 June 1984 by type
Record type	Records
Highest daily maximum	48
Lowest daily maximum	70
Highest daily minimum	180
Lowest daily minimum	40
Heaviest daily rainfall	378
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 June 1984 by timescale: all-time 2, monthly 19, daily 695.

How Much Records Were Beaten By

600 broken records

Margins by which the 600 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 116.4. Ties are not counted.

Top 20 by Significance

18 June 1984

Top 20 records on 18 June 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 June 1984	Bradford Cntrl Fs, US	daily rain	67.6 mm (2.7 in)	46.8 mm (1.8 in)	58 years	64 of 100 (Major)
18 June 1984	Somerset, AU	daily rain	54.8 mm (2.2 in)	39.6 mm (1.6 in)	71 years	63 of 100 (Major)
18 June 1984	Alfred, US	daily rain	84.6 mm (3.3 in)	59.7 mm (2.4 in)	48 years	63 of 100 (Major)
18 June 1984	Villa Ahumada, MX	daily rain	35.8 mm (1.4 in)	26.7 mm (1.1 in)	77 years	62 of 100 (Major)
18 June 1984	Warra Post Office, AU	daily rain	65.4 mm (2.6 in)	29.8 mm (1.2 in)	86 years	61 of 100 (Major)
18 June 1984	Tweed Heads Golf Club, AU	daily rain	139.4 mm (5.5 in)	93.7 mm (3.7 in)	35 years	59 of 100 (Notable)
18 June 1984	Cheriton, AU	daily rain	46.8 mm (1.8 in)	43.5 mm (1.7 in)	44 years	58 of 100 (Notable)
18 June 1984	Newport River, US	daily rain	91.4 mm (3.6 in)	41.4 mm (1.6 in)	54 years	58 of 100 (Notable)
18 June 1984	Addison, US	daily rain	47.0 mm (1.9 in)	27.2 mm (1.1 in)	79 years	56 of 100 (Notable)
18 June 1984	Talwood State School, AU	daily rain	78.0 mm (3.1 in)	54.9 mm (2.2 in)	28 years	55 of 100 (Notable)
18 June 1984	Habary, RU	daily rain	34.7 mm (1.4 in)	26.1 mm (1.0 in)	37 years	55 of 100 (Notable)
18 June 1984	Wiscoy 1 E, US	daily rain	64.8 mm (2.6 in)	51.3 mm (2.0 in)	38 years	55 of 100 (Notable)
18 June 1984	Jimenez (Smn), MX	daily rain	46.5 mm (1.8 in)	45.2 mm (1.8 in)	22 years	54 of 100 (Notable)
18 June 1984	Little Valley, US	daily rain	76.7 mm (3.0 in)	45.7 mm (1.8 in)	38 years	54 of 100 (Notable)
18 June 1984	Canisteo 1 SW, US	daily rain	100.3 mm (3.9 in)	89.6 mm (3.5 in)	31 years	52 of 100 (Notable)
18 June 1984	State College, US	daily rain	65.8 mm (2.6 in)	18.0 mm (0.7 in)	89 years	52 of 100 (Notable)
18 June 1984	Federal Post Office, AU	daily rain	105.1 mm (4.1 in)	91.1 mm (3.6 in)	13 years	51 of 100 (Notable)
18 June 1984	Kenhardt (Pol), ZA	monthly rain	40.0 mm (1.6 in)	15.0 mm (0.6 in)	1 year	51 of 100 (Notable)
18 June 1984	Kogan Post Office, AU	daily rain	70.6 mm (2.8 in)	45.2 mm (1.8 in)	34 years	49 of 100 (Notable)
18 June 1984	Barakula Forest STN, AU	daily rain	56.0 mm (2.2 in)	54.5 mm (2.1 in)	19 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

1800 to 1984

Records set or tied on this calendar date in each year from 1800 to 1984. 1984 had 716 records.

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

Records on 06-18 in each year
Year	Records
1800	1
1801	1
1802	1
1803	1
1816	1
1821	1
1823	1
1839	1
1841	1
1848	1
1855	1
1858	2
1859	1
1862	2
1865	1
1869	1
1870	1
1875	2
1876	1
1879	1
1880	1
1881	2
1882	2
1883	1
1884	1
1886	1
1888	3
1889	1
1890	3
1892	3
1893	1
1894	2
1895	3
1896	4
1897	5
1899	3
1900	4
1901	10
1902	7
1903	13
1904	5
1905	32
1906	16
1907	21
1908	20
1909	39
1910	15
1911	14
1912	25
1913	29
1914	43
1915	62
1916	29
1917	55
1918	118
1919	65
1920	53
1921	44
1922	57
1923	144
1924	108
1925	246
1926	176
1927	287
1928	205
1929	297
1930	379
1931	267
1932	219
1933	499
1934	335
1935	494
1936	549
1937	301
1938	391
1939	674
1940	620
1941	273
1942	201
1943	173
1944	726
1945	784
1946	532
1947	391
1948	421
1949	734
1950	828
1951	237
1952	435
1953	730
1954	460
1955	721
1956	373
1957	672
1958	532
1959	573
1960	394
1961	979
1962	302
1963	305
1964	840
1965	589
1966	431
1967	308
1968	556
1969	598
1970	486
1971	456
1972	334
1973	861
1974	719
1975	821
1976	508
1977	768
1978	516
1979	581
1980	447
1981	895
1982	736
1983	1,080
1984	716
1985	921
1986	862
1987	925
1988	748
1989	697
1990	795
1991	944
1992	579
1993	834
1994	1,156
1995	1,224
1996	1,004
1997	894
1998	1,600
1999	1,258
2000	1,474
2001	589
2002	1,397
2003	853
2004	1,056
2005	1,014
2006	699
2007	898
2008	628
2009	920
2010	928
2011	952
2012	832
2013	847
2014	732
2015	978
2016	787
2017	839
2018	968
2019	425
2020	572
2021	1,874
2022	1,194
2023	574
2024	1,150
2025	583
2026	830

Download the Data

Data for records on 1984-06-18: 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	490
20 to 40	77
40 to 60	25
60 to 80	4
80 to 100	3
100 to 120	1