Weather Records on 11 August 1989

983 weather records were set or tied worldwide on 11 August 1989. Highest significance: Same, TZ.

Key Facts for 11 August 1989

On 11 August 1989, 983 weather records were set or tied at long-record stations worldwide.
125 were record highs and 688 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 17 monthly and 964 daily.
Same set a monthly record daily precipitation of 67.0 mm (2.6 in) on 11 August 1989.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 457 records.

Record Map

983 stations

983 station records on 11 August 1989 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 August 1989: highest significance records shown on the map
Station	Country	Type	Value	Significance
Same	Tanzania	Record daily precipitation	67.0 mm (2.6 in)	62 of 100 (Major)
Riverhead Rsch Farm	United States	Record daily precipitation	161.0 mm (6.3 in)	60 of 100 (Major)
Houghton Lake 6 WSW	United States	Record daily precipitation	53.3 mm (2.1 in)	53 of 100 (Notable)
Chadron 3SW	United States	Record daily precipitation	45.2 mm (1.8 in)	53 of 100 (Notable)
Mt Carmel	United States	Record daily precipitation	102.1 mm (4.0 in)	52 of 100 (Notable)
Farmville	United States	Record low maximum temperature	19.4 C (66.9 F)	52 of 100 (Notable)
Tecolutla	Mexico	Record low minimum temperature	15.6 C (60.1 F)	49 of 100 (Notable)
Hot Springs 1 NNE	United States	Record low minimum temperature	12.8 C (55.0 F)	48 of 100 (Notable)
Bedford	United States	Record low maximum temperature	17.2 C (63.0 F)	48 of 100 (Notable)
Saugatuck Rsvr	United States	Record daily precipitation	82.6 mm (3.3 in)	47 of 100 (Notable)
Bezeck	Russia	Record daily precipitation	25.8 mm (1.0 in)	46 of 100 (Notable)
San Pedro	Mexico	Record low minimum temperature	17.2 C (63.0 F)	45 of 100 (Notable)
Lop Buri	Thailand	Record daily precipitation	77.0 mm (3.0 in)	45 of 100 (Notable)
Franklin	United States	Record low minimum temperature	9.4 C (48.9 F)	45 of 100 (Notable)
Sugar Land	United States	Record low minimum temperature	18.3 C (64.9 F)	45 of 100 (Notable)
Norwich Public Utility Plt	United States	Record daily precipitation	81.3 mm (3.2 in)	44 of 100 (Notable)
Waynesboro 2 S	United States	Record low maximum temperature	25.6 C (78.1 F)	44 of 100 (Notable)
Summerville 4W	United States	Record low maximum temperature	23.9 C (75.0 F)	44 of 100 (Notable)
Brenham	United States	Record low minimum temperature	18.9 C (66.0 F)	44 of 100 (Notable)
Ashland	United States	Record low maximum temperature	19.4 C (66.9 F)	44 of 100 (Notable)
Lumpkin 2 SE	United States	Record low minimum temperature	14.4 C (57.9 F)	43 of 100 (Notable)
Smithfield	United States	Record low maximum temperature	19.4 C (66.9 F)	43 of 100 (Notable)
Mexia	United States	Record low minimum temperature	15.0 C (59.0 F)	43 of 100 (Notable)
Winchester 7 SE	United States	Record low maximum temperature	18.3 C (64.9 F)	43 of 100 (Notable)
Groton	United States	Record daily precipitation	99.1 mm (3.9 in)	42 of 100 (Notable)
Dahlonega 4WSW	United States	Record low minimum temperature	12.8 C (55.0 F)	42 of 100 (Notable)
Patchogue 2 N	United States	Record daily precipitation	125.0 mm (4.9 in)	42 of 100 (Notable)
Southport 5 N	United States	Record low maximum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Grapevine Dam	United States	Record low minimum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Rochelle 7ENE	United States	Record daily precipitation	42.2 mm (1.7 in)	42 of 100 (Notable)
Kavsjo_D	Sweden	Record daily precipitation	41.3 mm (1.6 in)	41 of 100 (Notable)
Mt Ida 3 SE	United States	Record low minimum temperature	11.1 C (52.0 F)	41 of 100 (Notable)
Subiaco	United States	Record low minimum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Danevang 1 W	United States	Record low minimum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Vernon	United States	Record low maximum temperature	26.1 C (79.0 F)	41 of 100 (Notable)
Igor I Sikorsky Mem AP	United States	Record daily precipitation	87.4 mm (3.4 in)	41 of 100 (Notable)
Fitzgerald	United States	Record low minimum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Franklin 3 NW	United States	Record low minimum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Perry	United States	Record low maximum temperature	24.4 C (75.9 F)	40 of 100 (Notable)
Cheraw	United States	Record low maximum temperature	21.1 C (70.0 F)	40 of 100 (Notable)
Crockett	United States	Record low minimum temperature	14.4 C (57.9 F)	40 of 100 (Notable)
Dale Enterprise	United States	Record low maximum temperature	19.4 C (66.9 F)	40 of 100 (Notable)
Boutilimit	Mauritania	Record daily precipitation	51.1 mm (2.0 in)	39 of 100 (Notable)
Highlands	United States	Record low minimum temperature	7.8 C (46.0 F)	39 of 100 (Notable)
Frederick	United States	Record low maximum temperature	24.4 C (75.9 F)	39 of 100 (Notable)
Wichita Mtn Wr	United States	Record low maximum temperature	24.4 C (75.9 F)	39 of 100 (Notable)
Warrenton 3 SE	United States	Record low maximum temperature	23.9 C (75.0 F)	39 of 100 (Notable)
Warsaw 2 NW	United States	Record low maximum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Linguere	Senegal	Record daily precipitation	48.0 mm (1.9 in)	38 of 100 (Notable)
Yuma Valley	United States	Record low maximum temperature	29.4 C (84.9 F)	38 of 100 (Notable)
Prescott 2 NNW	United States	Record low minimum temperature	15.0 C (59.0 F)	38 of 100 (Notable)
Bolivar 1 NE	United States	Record low minimum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Lund	United States	Record daily precipitation	30.5 mm (1.2 in)	38 of 100 (Notable)
Fitzwilliam 2 W	United States	Record daily precipitation	60.2 mm (2.4 in)	38 of 100 (Notable)
Beaufort Wwtp	United States	Record low maximum temperature	23.3 C (73.9 F)	38 of 100 (Notable)
Paris	United States	Record low minimum temperature	15.0 C (59.0 F)	38 of 100 (Notable)
Temple	United States	Record low minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Lewisburg 3 N	United States	Record low maximum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
Ripley	United States	Record low maximum temperature	27.2 C (81.0 F)	37 of 100 (Notable)
Tarboro 1 S	United States	Record low maximum temperature	20.0 C (68.0 F)	37 of 100 (Notable)

Counts by Type and Timescale

983 records

Records set or tied on 11 August 1989 by type: Highest daily maximum 44, Lowest daily maximum 282, Highest daily minimum 81, Lowest daily minimum 406, Heaviest daily rainfall 170.

Records on 11 August 1989 by type
Record type	Records
Highest daily maximum	44
Lowest daily maximum	282
Highest daily minimum	81
Lowest daily minimum	406
Heaviest daily rainfall	170
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 August 1989 by timescale: all-time 2, monthly 17, daily 964.

How Much Records Were Beaten By

755 broken records

Margins by which the 755 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 138.1. Ties are not counted.

Top 20 by Significance

11 August 1989

Top 20 records on 11 August 1989 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 August 1989	Same, TZ	monthly rain	67.0 mm (2.6 in)	47.4 mm (1.9 in)	29 years	62 of 100 (Major)
11 August 1989	Riverhead Rsch Farm, US	daily rain	161.0 mm (6.3 in)	138.1 mm (5.4 in)	51 years	60 of 100 (Major)
11 August 1989	Houghton Lake 6 WSW, US	daily rain	53.3 mm (2.1 in)	39.3 mm (1.5 in)	23 years	53 of 100 (Notable)
11 August 1989	Chadron 3SW, US	daily rain	45.2 mm (1.8 in)	32.5 mm (1.3 in)	23 years	53 of 100 (Notable)
11 August 1989	Mt Carmel, US	daily rain	102.1 mm (4.0 in)	49.3 mm (1.9 in)	51 years	52 of 100 (Notable)
11 August 1989	Farmville, US	daily low max	19.4 C (66.9 F)	6.2 C (11.2 F)	84 years	52 of 100 (Notable)
11 August 1989	Tecolutla, MX	daily low min	15.6 C (60.1 F)	4.4 C (7.9 F)	58 years	49 of 100 (Notable)
11 August 1989	Hot Springs 1 NNE, US	daily low min	12.8 C (55.0 F)	2.8 C (5.0 F)	96 years	48 of 100 (Notable)
11 August 1989	Bedford, US	daily low max	17.2 C (63.0 F)	3.9 C (7.0 F)	94 years	48 of 100 (Notable)
11 August 1989	Saugatuck Rsvr, US	daily rain	82.6 mm (3.3 in)	70.7 mm (2.8 in)	10 years	47 of 100 (Notable)
11 August 1989	Bezeck, RU	daily rain	25.8 mm (1.0 in)	14.2 mm (0.6 in)	48 years	46 of 100 (Notable)
11 August 1989	San Pedro, MX	daily low min	17.2 C (63.0 F)	3.4 C (6.1 F)	24 years	45 of 100 (Notable)
11 August 1989	Lop Buri, TH	daily rain	77.0 mm (3.0 in)	42.6 mm (1.7 in)	27 years	45 of 100 (Notable)
11 August 1989	Franklin, US	daily low min	9.4 C (48.9 F)	1.7 C (3.1 F)	98 years	45 of 100 (Notable)
11 August 1989	Sugar Land, US	daily low min	18.3 C (64.9 F)	1.7 C (3.1 F)	84 years	45 of 100 (Notable)
11 August 1989	Norwich Public Utility Plt, US	daily rain	81.3 mm (3.2 in)	61.0 mm (2.4 in)	6 years	44 of 100 (Notable)
11 August 1989	Waynesboro 2 S, US	daily low max	25.6 C (78.1 F)	3.3 C (5.9 F)	82 years	44 of 100 (Notable)
11 August 1989	Summerville 4W, US	daily low max	23.9 C (75.0 F)	3.9 C (7.0 F)	70 years	44 of 100 (Notable)
11 August 1989	Brenham, US	daily low min	18.9 C (66.0 F)	1.7 C (3.1 F)	86 years	44 of 100 (Notable)
11 August 1989	Ashland, US	daily low max	19.4 C (66.9 F)	2.8 C (5.0 F)	94 years	44 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 1989

Records set or tied on this calendar date in each year from 1793 to 1989. 1989 had 983 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 1989-08-11: 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	730
20 to 40	16
40 to 60	4
60 to 80	4
80 to 100	0
100 to 120	0
120 to 140	1