Weather Records on 11 August 1983

1,095 weather records were set or tied worldwide on 11 August 1983. Highest significance: Sevastopol',Mgs, UA.

Key Facts for 11 August 1983

On 11 August 1983, 1,095 weather records were set or tied at long-record stations worldwide.
554 were record highs and 199 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 23 monthly and 1,065 daily.
Sevastopol',Mgs set a daily record precipitation of 48.4 mm (1.9 in) on 11 August 1983.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 457 records.

Record Map

1,095 stations

1,095 station records on 11 August 1983 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 August 1983: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sevastopol',Mgs	Ukraine	Record daily precipitation	48.4 mm (1.9 in)	65 of 100 (Major)
Stehekin 4 NW	United States	Record daily precipitation	26.9 mm (1.1 in)	65 of 100 (Major)
Invermere	Canada	Record daily precipitation	40.2 mm (1.6 in)	63 of 100 (Major)
Laurier	United States	Record daily precipitation	27.9 mm (1.1 in)	63 of 100 (Major)
Lake City Exp Farm	United States	Record daily precipitation	53.3 mm (2.1 in)	55 of 100 (Notable)
Knoxville AP	United States	Record daily precipitation	76.2 mm (3.0 in)	55 of 100 (Notable)
Sandusky	United States	Record daily precipitation	74.2 mm (2.9 in)	52 of 100 (Notable)
Afton 6 NE	United States	Record daily precipitation	50.8 mm (2.0 in)	52 of 100 (Notable)
S Haven	United States	Record daily precipitation	61.7 mm (2.4 in)	51 of 100 (Notable)
Fort Macleod	Canada	Record daily precipitation	39.0 mm (1.5 in)	50 of 100 (Notable)
Bad Axe	United States	Record daily precipitation	66.8 mm (2.6 in)	50 of 100 (Notable)
Sugar Camp	United States	Record daily precipitation	78.7 mm (3.1 in)	50 of 100 (Notable)
Kirovohrad	Ukraine	Record daily precipitation	67.4 mm (2.7 in)	49 of 100 (Notable)
Kalkaska	United States	Record daily precipitation	63.5 mm (2.5 in)	49 of 100 (Notable)
Ft Benton	United States	Record daily precipitation	30.2 mm (1.2 in)	49 of 100 (Notable)
Landsburg	United States	Record daily precipitation	26.9 mm (1.1 in)	49 of 100 (Notable)
Roma Ciampino	Italy	Record daily precipitation	41.2 mm (1.6 in)	48 of 100 (Notable)
Tallinn	Estonia	Record daily precipitation	30.3 mm (1.2 in)	47 of 100 (Notable)
Durango	United States	Record daily precipitation	25.1 mm (1.0 in)	47 of 100 (Notable)
Standish 4NE	United States	Record daily precipitation	50.8 mm (2.0 in)	47 of 100 (Notable)
Dixie	United States	Record daily precipitation	33.0 mm (1.3 in)	46 of 100 (Notable)
Cadillac	United States	Record daily precipitation	68.1 mm (2.7 in)	46 of 100 (Notable)
Caniambo	Australia	Record daily precipitation	46.0 mm (1.8 in)	45 of 100 (Notable)
Petatlan	Mexico	Record daily precipitation	101.3 mm (4.0 in)	45 of 100 (Notable)
Delhi Cda	Canada	Record daily precipitation	70.2 mm (2.8 in)	44 of 100 (Notable)
Lajas Substn	Puerto Rico [United States]	Record daily precipitation	87.4 mm (3.4 in)	44 of 100 (Notable)
Kherson	Ukraine	Record daily precipitation	35.8 mm (1.4 in)	44 of 100 (Notable)
Charlevoix	United States	Record daily precipitation	45.0 mm (1.8 in)	44 of 100 (Notable)
Logan Utah St UNIV	United States	Record daily precipitation	38.4 mm (1.5 in)	44 of 100 (Notable)
Grayling	United States	Record daily precipitation	66.0 mm (2.6 in)	42 of 100 (Notable)
Toronto	Canada	Record low maximum temperature	17.3 C (63.1 F)	41 of 100 (Notable)
Darrington Rs	United States	Record daily precipitation	34.5 mm (1.4 in)	41 of 100 (Notable)
Lucknow	Canada	Record daily precipitation	53.0 mm (2.1 in)	40 of 100 (Notable)
Quito	Mexico	Record daily precipitation	73.2 mm (2.9 in)	40 of 100 (Notable)
Liberty	United States	Record low maximum temperature	26.1 C (79.0 F)	40 of 100 (Notable)
Buckhannon	United States	Record daily precipitation	59.9 mm (2.4 in)	40 of 100 (Notable)
White Hall 1 E	United States	Record high minimum temperature	23.9 C (75.0 F)	39 of 100 (Notable)
Sion	Canada	Record high minimum temperature	20.5 C (68.9 F)	38 of 100 (Notable)
Princess Anne	United States	Record high maximum temperature	36.7 C (98.1 F)	38 of 100 (Notable)
Minocqua	United States	Record daily precipitation	49.0 mm (1.9 in)	37 of 100 (Notable)
Lufkin Angelina Co AP	United States	Record daily precipitation	67.8 mm (2.7 in)	37 of 100 (Notable)
Louisville 1 E	United States	Record high minimum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Hale Loud Dam	United States	Record daily precipitation	44.7 mm (1.8 in)	36 of 100 (Notable)
W Branch 3SE	United States	Record daily precipitation	55.9 mm (2.2 in)	36 of 100 (Notable)
Raleigh State UNIV	United States	Record high maximum temperature	37.8 C (100.0 F)	36 of 100 (Notable)
Dillon	United States	Record high maximum temperature	38.3 C (100.9 F)	36 of 100 (Notable)
Port Stanley	Canada	Record daily precipitation	59.5 mm (2.3 in)	35 of 100 (Notable)
Paso de San Antonio	Mexico	Record daily precipitation	159.8 mm (6.3 in)	35 of 100 (Notable)
New Meadows Rs	United States	Record high minimum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Little Mtn	United States	Record high minimum temperature	23.9 C (75.0 F)	35 of 100 (Notable)
Rainbow Rsvr Tomahawk	United States	Record daily precipitation	59.2 mm (2.3 in)	35 of 100 (Notable)
Santa Cruz Juventino Rosas (S	Mexico	Record low minimum temperature	3.9 C (39.0 F)	34 of 100 (Routine)
Onor	Russia	Record daily precipitation	44.4 mm (1.7 in)	34 of 100 (Routine)
Chanthaburi	Thailand	Record daily precipitation	154.3 mm (6.1 in)	34 of 100 (Routine)
Bloomingdale	United States	Record daily precipitation	57.7 mm (2.3 in)	34 of 100 (Routine)
Clover Valley	United States	Record low maximum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Border 3 N	United States	Record high minimum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Mesa Verde Np	United States	Record daily precipitation	28.7 mm (1.1 in)	33 of 100 (Routine)
Palestine	United States	Record high minimum temperature	26.1 C (79.0 F)	33 of 100 (Routine)
Greenfield	United States	Record daily precipitation	50.3 mm (2.0 in)	33 of 100 (Routine)

Counts by Type and Timescale

1,095 records

Records set or tied on 11 August 1983 by type: Highest daily maximum 193, Lowest daily maximum 152, Highest daily minimum 361, Lowest daily minimum 47, Heaviest daily rainfall 342.

Records on 11 August 1983 by type
Record type	Records
Highest daily maximum	193
Lowest daily maximum	152
Highest daily minimum	361
Lowest daily minimum	47
Heaviest daily rainfall	342
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 August 1983 by timescale: all-time 7, monthly 23, daily 1,065.

How Much Records Were Beaten By

834 broken records

Margins by which the 834 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.0. Ties are not counted.

Top 20 by Significance

11 August 1983

Top 20 records on 11 August 1983 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 August 1983	Sevastopol',Mgs, UA	daily rain	48.4 mm (1.9 in)	22.2 mm (0.9 in)	87 years	65 of 100 (Major)
11 August 1983	Stehekin 4 NW, US	daily rain	26.9 mm (1.1 in)	24.1 mm (0.9 in)	60 years	65 of 100 (Major)
11 August 1983	Invermere, CA	daily rain	40.2 mm (1.6 in)	22.9 mm (0.9 in)	64 years	63 of 100 (Major)
11 August 1983	Laurier, US	daily rain	27.9 mm (1.1 in)	21.5 mm (0.8 in)	64 years	63 of 100 (Major)
11 August 1983	Lake City Exp Farm, US	daily rain	53.3 mm (2.1 in)	22.8 mm (0.9 in)	90 years	55 of 100 (Notable)
11 August 1983	Knoxville AP, US	daily rain	76.2 mm (3.0 in)	32.5 mm (1.3 in)	64 years	55 of 100 (Notable)
11 August 1983	Sandusky, US	daily rain	74.2 mm (2.9 in)	55.9 mm (2.2 in)	18 years	52 of 100 (Notable)
11 August 1983	Afton 6 NE, US	daily rain	50.8 mm (2.0 in)	47.0 mm (1.9 in)	28 years	52 of 100 (Notable)
11 August 1983	S Haven, US	daily rain	61.7 mm (2.4 in)	27.4 mm (1.1 in)	74 years	51 of 100 (Notable)
11 August 1983	Fort Macleod, CA	daily rain	39.0 mm (1.5 in)	23.0 mm (0.9 in)	50 years	50 of 100 (Notable)
11 August 1983	Bad Axe, US	daily rain	66.8 mm (2.6 in)	47.0 mm (1.9 in)	18 years	50 of 100 (Notable)
11 August 1983	Sugar Camp, US	daily rain	78.7 mm (3.1 in)	56.1 mm (2.2 in)	10 years	50 of 100 (Notable)
11 August 1983	Kirovohrad, UA	daily rain	67.4 mm (2.7 in)	45.9 mm (1.8 in)	20 years	49 of 100 (Notable)
11 August 1983	Kalkaska, US	daily rain	63.5 mm (2.5 in)	44.2 mm (1.7 in)	18 years	49 of 100 (Notable)
11 August 1983	Ft Benton, US	daily rain	30.2 mm (1.2 in)	23.6 mm (0.9 in)	8 years	49 of 100 (Notable)
11 August 1983	Landsburg, US	daily rain	26.9 mm (1.1 in)	21.1 mm (0.8 in)	50 years	49 of 100 (Notable)
11 August 1983	Roma Ciampino, IT	daily rain	41.2 mm (1.6 in)	36.2 mm (1.4 in)	18 years	48 of 100 (Notable)
11 August 1983	Tallinn, EE	daily rain	30.3 mm (1.2 in)	16.4 mm (0.6 in)	45 years	47 of 100 (Notable)
11 August 1983	Durango, US	daily rain	25.1 mm (1.0 in)	10.4 mm (0.4 in)	80 years	47 of 100 (Notable)
11 August 1983	Standish 4NE, US	daily rain	50.8 mm (2.0 in)	39.1 mm (1.5 in)	16 years	47 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 1983

Records set or tied on this calendar date in each year from 1793 to 1983. 1983 had 1,095 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 1983-08-11: 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	783
20 to 40	40
40 to 60	9
60 to 80	0
80 to 100	2