Weather Records on 11 August 1984

822 weather records were set or tied worldwide on 11 August 1984. Highest significance: Lichtentanne, DE.

Key Facts for 11 August 1984

On 11 August 1984, 822 weather records were set or tied at long-record stations worldwide.
226 were record highs and 279 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 25 monthly and 796 daily.
Lichtentanne set a daily record precipitation of 66.2 mm (2.6 in) on 11 August 1984.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 458 records.

Record Map

822 stations

822 station records on 11 August 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 August 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lichtentanne	Germany	Record daily precipitation	66.2 mm (2.6 in)	68 of 100 (Major)
Richland	United States	Record high minimum temperature	26.7 C (80.1 F)	59 of 100 (Notable)
Lewis Hill (St Pauls River)	Australia	Record daily precipitation	51.2 mm (2.0 in)	58 of 100 (Notable)
Tower Hill	Australia	Record daily precipitation	52.0 mm (2.0 in)	57 of 100 (Notable)
Ormley	Australia	Record daily precipitation	38.0 mm (1.5 in)	56 of 100 (Notable)
Fingal (Legge Street)	Australia	Record daily precipitation	42.6 mm (1.7 in)	54 of 100 (Notable)
Priargunsk	Russia	Record daily precipitation	52.3 mm (2.1 in)	54 of 100 (Notable)
Bad-Sohl Elster	Germany	Record daily precipitation	49.9 mm (2.0 in)	53 of 100 (Notable)
Beloreck	Russia	Record daily precipitation	61.4 mm (2.4 in)	52 of 100 (Notable)
Portsmouth-Sciotoville	United States	Record daily precipitation	96.5 mm (3.8 in)	52 of 100 (Notable)
Canton 4 SE	United States	Record daily precipitation	72.4 mm (2.9 in)	51 of 100 (Notable)
Buckingham	United States	Record daily precipitation	45.7 mm (1.8 in)	50 of 100 (Notable)
Purcellville	United States	Record daily precipitation	129.8 mm (5.1 in)	50 of 100 (Notable)
Monterey	United States	Record daily precipitation	51.6 mm (2.0 in)	48 of 100 (Notable)
Deddington (Marathon)	Australia	Record daily precipitation	36.0 mm (1.4 in)	47 of 100 (Notable)
Shangzhi	China	Record daily precipitation	105.2 mm (4.1 in)	47 of 100 (Notable)
Roanoke-Blacksburg Rgnl AP	United States	Record daily precipitation	80.3 mm (3.2 in)	47 of 100 (Notable)
Qabala	Azerbaijan	Record daily precipitation	59.3 mm (2.3 in)	46 of 100 (Notable)
Kittanning Lock 7	United States	Record daily precipitation	62.2 mm (2.4 in)	46 of 100 (Notable)
Bowie	United States	Record low maximum temperature	23.9 C (75.0 F)	46 of 100 (Notable)
Novy-Port	Russia	Record daily precipitation	26.8 mm (1.1 in)	45 of 100 (Notable)
Lampang	Thailand	Record daily precipitation	78.5 mm (3.1 in)	45 of 100 (Notable)
Shaki	Azerbaijan	Record daily precipitation	49.8 mm (2.0 in)	44 of 100 (Notable)
Longford (Denton Close)	Australia	Record daily precipitation	27.0 mm (1.1 in)	44 of 100 (Notable)
Hagerstown	United States	Record daily precipitation	89.7 mm (3.5 in)	44 of 100 (Notable)
Decatur	United States	Record daily precipitation	37.6 mm (1.5 in)	44 of 100 (Notable)
Los Castillos	Mexico	Record daily precipitation	50.0 mm (2.0 in)	43 of 100 (Notable)
Candelaria	United States	Record daily precipitation	66.5 mm (2.6 in)	43 of 100 (Notable)
Utica Oneida Co AP	United States	Record daily precipitation	50.0 mm (2.0 in)	43 of 100 (Notable)
Bicheno (Council Depot)	Australia	Record daily precipitation	34.5 mm (1.4 in)	42 of 100 (Notable)
Selb/Oberfranken-Wildenau	Germany	Record daily precipitation	52.0 mm (2.0 in)	42 of 100 (Notable)
Carlsbad	United States	Record daily precipitation	59.7 mm (2.4 in)	42 of 100 (Notable)
Glen Cairn	Australia	Record daily precipitation	30.0 mm (1.2 in)	41 of 100 (Notable)
Stratford	United States	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Tunnack Post Office	Australia	Record daily precipitation	25.0 mm (1.0 in)	40 of 100 (Notable)
Munchen-Riem	Germany	Record daily precipitation	55.4 mm (2.2 in)	40 of 100 (Notable)
Raevsky	Russia	Record daily precipitation	35.2 mm (1.4 in)	40 of 100 (Notable)
Bowie	United States	Record daily precipitation	29.7 mm (1.2 in)	39 of 100 (Notable)
S Mtn	United States	Record daily precipitation	67.8 mm (2.7 in)	39 of 100 (Notable)
Laghouat	Algeria	Record low maximum temperature	34.5 C (94.1 F)	38 of 100 (Notable)
Urbana Wrf	United States	Record daily precipitation	71.1 mm (2.8 in)	38 of 100 (Notable)
Eddystone Point	Australia	Record daily precipitation	30.6 mm (1.2 in)	37 of 100 (Notable)
Camden 1	United States	Record daily precipitation	25.7 mm (1.0 in)	37 of 100 (Notable)
Payette	United States	Record high minimum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Savage Rvr Dam	United States	Record daily precipitation	45.5 mm (1.8 in)	37 of 100 (Notable)
Orogrande	United States	Record daily precipitation	33.8 mm (1.3 in)	37 of 100 (Notable)
Smithfield	United States	Record daily precipitation	94.2 mm (3.7 in)	37 of 100 (Notable)
Buchanan	United States	Record daily precipitation	35.8 mm (1.4 in)	37 of 100 (Notable)
Warrenton 3 SE	United States	Record daily precipitation	42.9 mm (1.7 in)	37 of 100 (Notable)
Goychay	Azerbaijan	Record daily precipitation	29.2 mm (1.1 in)	36 of 100 (Notable)
Cranbrook (Cranbrook House)	Australia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Selb/Oberfranken-Lauterbach	Germany	Record daily precipitation	47.5 mm (1.9 in)	36 of 100 (Notable)
Hurbanovo	Slovakia	Record daily precipitation	33.7 mm (1.3 in)	36 of 100 (Notable)
Tamiami Trail 40 Mi Bend	United States	Record low minimum temperature	15.0 C (59.0 F)	36 of 100 (Notable)
Waverly	United States	Record low minimum temperature	5.6 C (42.1 F)	36 of 100 (Notable)
Buena Vista	United States	Record daily precipitation	43.2 mm (1.7 in)	36 of 100 (Notable)
Moorefield 1 SSE	United States	Record daily precipitation	39.1 mm (1.5 in)	35 of 100 (Notable)
Parsberg/Oberpfalz-Eglwang	Germany	Record daily precipitation	38.7 mm (1.5 in)	34 of 100 (Routine)
Deming	United States	Record daily precipitation	52.1 mm (2.1 in)	34 of 100 (Routine)
Paisley	United States	Record high minimum temperature	17.2 C (63.0 F)	34 of 100 (Routine)

Counts by Type and Timescale

822 records

Records set or tied on 11 August 1984 by type: Highest daily maximum 79, Lowest daily maximum 183, Highest daily minimum 147, Lowest daily minimum 96, Heaviest daily rainfall 317.

Records on 11 August 1984 by type
Record type	Records
Highest daily maximum	79
Lowest daily maximum	183
Highest daily minimum	147
Lowest daily minimum	96
Heaviest daily rainfall	317
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 August 1984 by timescale: all-time 1, monthly 25, daily 796.

How Much Records Were Beaten By

641 broken records

Margins by which the 641 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.1. Ties are not counted.

Top 20 by Significance

11 August 1984

Top 20 records on 11 August 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 August 1984	Lichtentanne, DE	daily rain	66.2 mm (2.6 in)	42.7 mm (1.7 in)	62 years	68 of 100 (Major)
11 August 1984	Richland, US	daily high min	26.7 C (80.1 F)	8.9 C (16.0 F)	90 years	59 of 100 (Notable)
11 August 1984	Lewis Hill (St Pauls River), AU	daily rain	51.2 mm (2.0 in)	37.5 mm (1.5 in)	45 years	58 of 100 (Notable)
11 August 1984	Tower Hill, AU	daily rain	52.0 mm (2.0 in)	35.2 mm (1.4 in)	52 years	57 of 100 (Notable)
11 August 1984	Ormley, AU	daily rain	38.0 mm (1.5 in)	22.0 mm (0.9 in)	52 years	56 of 100 (Notable)
11 August 1984	Fingal (Legge Street), AU	daily rain	42.6 mm (1.7 in)	24.8 mm (1.0 in)	52 years	54 of 100 (Notable)
11 August 1984	Priargunsk, RU	daily rain	52.3 mm (2.1 in)	39.6 mm (1.6 in)	34 years	54 of 100 (Notable)
11 August 1984	Bad-Sohl Elster, DE	daily rain	49.9 mm (2.0 in)	31.9 mm (1.3 in)	34 years	53 of 100 (Notable)
11 August 1984	Beloreck, RU	daily rain	61.4 mm (2.4 in)	46.5 mm (1.8 in)	29 years	52 of 100 (Notable)
11 August 1984	Portsmouth-Sciotoville, US	daily rain	96.5 mm (3.8 in)	48.0 mm (1.9 in)	23 years	52 of 100 (Notable)
11 August 1984	Canton 4 SE, US	daily rain	72.4 mm (2.9 in)	38.9 mm (1.5 in)	29 years	51 of 100 (Notable)
11 August 1984	Buckingham, US	daily rain	45.7 mm (1.8 in)	25.6 mm (1.0 in)	81 years	50 of 100 (Notable)
11 August 1984	Purcellville, US	monthly rain	129.8 mm (5.1 in)	34.0 mm (1.3 in)	28 years	50 of 100 (Notable)
11 August 1984	Monterey, US	daily rain	51.6 mm (2.0 in)	24.9 mm (1.0 in)	50 years	48 of 100 (Notable)
11 August 1984	Deddington (Marathon), AU	daily rain	36.0 mm (1.4 in)	15.7 mm (0.6 in)	64 years	47 of 100 (Notable)
11 August 1984	Shangzhi, CN	daily rain	105.2 mm (4.1 in)	84.1 mm (3.3 in)	15 years	47 of 100 (Notable)
11 August 1984	Roanoke-Blacksburg Rgnl AP, US	daily rain	80.3 mm (3.2 in)	50.1 mm (2.0 in)	18 years	47 of 100 (Notable)
11 August 1984	Qabala, AZ	daily rain	59.3 mm (2.3 in)	43.3 mm (1.7 in)	25 years	46 of 100 (Notable)
11 August 1984	Kittanning Lock 7, US	daily rain	62.2 mm (2.4 in)	41.6 mm (1.6 in)	29 years	46 of 100 (Notable)
11 August 1984	Bowie, US	daily low max	23.9 C (75.0 F)	5.5 C (9.9 F)	78 years	46 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 1984

Records set or tied on this calendar date in each year from 1793 to 1984. 1984 had 822 records.

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

Records on 08-11 in each year
Year	Records
1793	1
1796	1
1811	1
1815	2
1838	1
1839	1
1841	1
1851	1
1855	1
1858	1
1861	2
1862	1
1863	1
1864	6
1865	1
1866	6
1869	4
1871	1
1875	1
1879	2
1881	1
1883	1
1885	1
1888	1
1889	4
1890	4
1891	1
1892	4
1893	1
1894	1
1895	2
1896	5
1897	3
1898	2
1899	3
1900	4
1901	4
1902	13
1903	12
1904	19
1905	9
1906	6
1907	8
1908	10
1909	41
1910	9
1911	24
1912	46
1913	43
1914	26
1915	27
1916	64
1917	217
1918	29
1919	18
1920	54
1921	201
1922	98
1923	80
1924	149
1925	219
1926	140
1927	190
1928	174
1929	354
1930	471
1931	453
1932	281
1933	416
1934	620
1935	499
1936	541
1937	356
1938	315
1939	389
1940	359
1941	807
1942	390
1943	345
1944	936
1945	401
1946	419
1947	709
1948	306
1949	471
1950	320
1951	296
1952	417
1953	283
1954	536
1955	319
1956	457
1957	305
1958	494
1959	337
1960	461
1961	429
1962	662
1963	493
1964	677
1965	793
1966	1,037
1967	1,071
1968	619
1969	533
1970	526
1971	711
1972	823
1973	451
1974	596
1975	753
1976	529
1977	845
1978	433
1979	797
1980	929
1981	645
1982	1,232
1983	1,095
1984	822
1985	804
1986	563
1987	885
1988	1,119
1989	983
1990	760
1991	822
1992	928
1993	840
1994	1,173
1995	1,324
1996	1,147
1997	1,512
1998	1,232
1999	1,152
2000	924
2001	811
2002	1,152
2003	1,601
2004	1,478
2005	1,031
2006	896
2007	1,428
2008	945
2009	836
2010	2,289
2011	1,106
2012	953
2013	470
2014	556
2015	696
2016	1,340
2017	619
2018	861
2019	758
2020	688
2021	834
2022	661
2023	757
2024	643
2025	722
2026	765

Download the Data

Data for records on 1984-08-11: 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	585
20 to 40	44
40 to 60	10
60 to 80	1
80 to 100	1