Weather Records on 17 August 1989

687 weather records were set or tied worldwide on 17 August 1989. Highest significance: Loa, US.

Key Facts for 17 August 1989

On 17 August 1989, 687 weather records were set or tied at long-record stations worldwide.
329 were record highs and 153 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 17 monthly and 665 daily.
Loa set a daily record precipitation of 30.2 mm (1.2 in) on 17 August 1989.
Across 162 earlier years (1797 to 2026) the same calendar date averaged 472 records.

Record Map

687 stations

687 station records on 17 August 1989 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 August 1989: highest significance records shown on the map
Station	Country	Type	Value	Significance
Loa	United States	Record daily precipitation	30.2 mm (1.2 in)	69 of 100 (Major)
Ada	United States	Record daily precipitation	163.1 mm (6.4 in)	64 of 100 (Major)
Coorada	Australia	Record daily precipitation	41.8 mm (1.6 in)	54 of 100 (Notable)
Bezenchuk	Russia	Record daily precipitation	25.4 mm (1.0 in)	53 of 100 (Notable)
Aksakovo	Russia	Record daily precipitation	49.6 mm (2.0 in)	52 of 100 (Notable)
Barnsdall	United States	Record daily precipitation	73.7 mm (2.9 in)	49 of 100 (Notable)
Manly Vale (Manly Dam)	Australia	Record daily precipitation	38.2 mm (1.5 in)	47 of 100 (Notable)
Fundao	Brazil	Record daily precipitation	52.2 mm (2.1 in)	46 of 100 (Notable)
Karlshamn	Sweden	Record high minimum temperature	17.7 C (63.9 F)	46 of 100 (Notable)
Piaxtla	Mexico	Record low minimum temperature	10.0 C (50.0 F)	45 of 100 (Notable)
Pjalica	Russia	Record daily precipitation	70.1 mm (2.8 in)	45 of 100 (Notable)
Livingston	United States	Record daily precipitation	67.8 mm (2.7 in)	45 of 100 (Notable)
Cottbus	Germany	Record high minimum temperature	20.4 C (68.7 F)	44 of 100 (Notable)
Nurnberg	Germany	Record high minimum temperature	18.9 C (66.0 F)	43 of 100 (Notable)
Innsbruck	Austria	Record high minimum temperature	17.9 C (64.2 F)	42 of 100 (Notable)
Praha-Klementinum	Czech Republic	Record high minimum temperature	21.9 C (71.4 F)	42 of 100 (Notable)
Dekalb	United States	Record daily precipitation	81.3 mm (3.2 in)	42 of 100 (Notable)
Valsugana Velha-Montante	Brazil	Record daily precipitation	62.6 mm (2.5 in)	40 of 100 (Notable)
Bagdad	United States	Record daily precipitation	36.1 mm (1.4 in)	40 of 100 (Notable)
Mtn Lake	United States	Record low minimum temperature	17.8 C (64.0 F)	40 of 100 (Notable)
Pactola Dam	United States	Record daily precipitation	35.1 mm (1.4 in)	40 of 100 (Notable)
Bamberg	Germany	Record high minimum temperature	17.7 C (63.9 F)	39 of 100 (Notable)
Chevelon Rs	United States	Record daily precipitation	40.6 mm (1.6 in)	39 of 100 (Notable)
Boxelder 3 NNE	United States	Record daily precipitation	87.1 mm (3.4 in)	39 of 100 (Notable)
San Pedro	Mexico	Record low minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Suldalsvatn	Norway	Record daily precipitation	40.5 mm (1.6 in)	38 of 100 (Notable)
Tilden 4 SSE	United States	Record low minimum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Velikie Luki	Russia	Record high maximum temperature	29.9 C (85.8 F)	37 of 100 (Notable)
Gospic	Croatia	Record high minimum temperature	17.1 C (62.8 F)	36 of 100 (Notable)
Temixco	Mexico	Record daily precipitation	64.8 mm (2.6 in)	36 of 100 (Notable)
Iema	Russia	Record daily precipitation	31.9 mm (1.3 in)	36 of 100 (Notable)
Cnory	Georgia	Record daily precipitation	70.0 mm (2.8 in)	35 of 100 (Notable)
Voru	Estonia	Record high minimum temperature	20.1 C (68.2 F)	34 of 100 (Routine)
Irving	United States	Record daily precipitation	32.5 mm (1.3 in)	34 of 100 (Routine)
Williams	United States	Record daily precipitation	26.7 mm (1.1 in)	34 of 100 (Routine)
Mt Carroll	United States	Record low minimum temperature	5.6 C (42.1 F)	34 of 100 (Routine)
Konawa	United States	Record daily precipitation	85.3 mm (3.4 in)	34 of 100 (Routine)
Daingerfield 9 S	United States	Record low maximum temperature	25.0 C (77.0 F)	34 of 100 (Routine)
Marburg - Warrego Highway	Australia	Record daily precipitation	31.4 mm (1.2 in)	33 of 100 (Routine)
Tecoman (Dge)	Mexico	Record low minimum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Huatusco de Chicuellar	Mexico	Record daily precipitation	53.8 mm (2.1 in)	33 of 100 (Routine)
Inhambane	Mozambique	Record high maximum temperature	31.0 C (87.8 F)	33 of 100 (Routine)
Sernovodsk	Russia	Record daily precipitation	27.4 mm (1.1 in)	33 of 100 (Routine)
Barguzin	Russia	Record low minimum temperature	2.3 C (36.1 F)	33 of 100 (Routine)
Holdenville 2SSE	United States	Record daily precipitation	80.0 mm (3.1 in)	33 of 100 (Routine)
Smithville	United States	Record low minimum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Flagstaff AP	United States	Record daily precipitation	32.3 mm (1.3 in)	33 of 100 (Routine)
Dorado 2 WNW	Puerto Rico [United States]	Record daily precipitation	73.4 mm (2.9 in)	32 of 100 (Routine)
McKinney Muni AP	United States	Record low minimum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Shaki	Azerbaijan	Record daily precipitation	93.6 mm (3.7 in)	31 of 100 (Routine)
Carlos Chagas	Brazil	Record daily precipitation	34.4 mm (1.4 in)	31 of 100 (Routine)
Toa Baja 1 SSW	Puerto Rico [United States]	Record daily precipitation	81.8 mm (3.2 in)	31 of 100 (Routine)
Samara	Russia	Record daily precipitation	56.6 mm (2.2 in)	31 of 100 (Routine)
Juzhno-Kurilsk	Russia	Record daily precipitation	59.9 mm (2.4 in)	31 of 100 (Routine)
Tryon	United States	Record high minimum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
Ardmore	United States	Record low maximum temperature	27.8 C (82.0 F)	31 of 100 (Routine)
Brownwood 2NE	United States	Record low minimum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Alfoten II	Norway	Record daily precipitation	31.1 mm (1.2 in)	30 of 100 (Routine)
Butner Fltr Plt	United States	Record daily precipitation	103.1 mm (4.1 in)	30 of 100 (Routine)
Ghinghinda	Australia	Record daily precipitation	41.0 mm (1.6 in)	29 of 100 (Routine)

Counts by Type and Timescale

687 records

Records set or tied on 17 August 1989 by type: Highest daily maximum 79, Lowest daily maximum 76, Highest daily minimum 250, Lowest daily minimum 77, Heaviest daily rainfall 205.

Records on 17 August 1989 by type
Record type	Records
Highest daily maximum	79
Lowest daily maximum	76
Highest daily minimum	250
Lowest daily minimum	77
Heaviest daily rainfall	205
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 August 1989 by timescale: all-time 5, monthly 17, daily 665.

How Much Records Were Beaten By

546 broken records

Margins by which the 546 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 63.0. Ties are not counted.

Top 20 by Significance

17 August 1989

Top 20 records on 17 August 1989 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 August 1989	Loa, US	daily rain	30.2 mm (1.2 in)	16.5 mm (0.6 in)	94 years	69 of 100 (Major)
17 August 1989	Ada, US	monthly rain	163.1 mm (6.4 in)	63.0 mm (2.5 in)	30 years	64 of 100 (Major)
17 August 1989	Coorada, AU	daily rain	41.8 mm (1.6 in)	34.9 mm (1.4 in)	32 years	54 of 100 (Notable)
17 August 1989	Bezenchuk, RU	daily rain	25.4 mm (1.0 in)	14.2 mm (0.6 in)	67 years	53 of 100 (Notable)
17 August 1989	Aksakovo, RU	daily rain	49.6 mm (2.0 in)	34.7 mm (1.4 in)	24 years	52 of 100 (Notable)
17 August 1989	Barnsdall, US	daily rain	73.7 mm (2.9 in)	50.8 mm (2.0 in)	44 years	49 of 100 (Notable)
17 August 1989	Manly Vale (Manly Dam), AU	daily rain	38.2 mm (1.5 in)	29.1 mm (1.1 in)	78 years	47 of 100 (Notable)
17 August 1989	Fundao, BR	daily rain	52.2 mm (2.1 in)	39.6 mm (1.6 in)	8 years	46 of 100 (Notable)
17 August 1989	Karlshamn, SE	daily high min	17.7 C (63.9 F)	1.7 C (3.1 F)	106 years	46 of 100 (Notable)
17 August 1989	Piaxtla, MX	daily low min	10.0 C (50.0 F)	3.9 C (7.0 F)	59 years	45 of 100 (Notable)
17 August 1989	Pjalica, RU	daily rain	70.1 mm (2.8 in)	30.5 mm (1.2 in)	2 years	45 of 100 (Notable)
17 August 1989	Livingston, US	daily rain	67.8 mm (2.7 in)	39.6 mm (1.6 in)	32 years	45 of 100 (Notable)
17 August 1989	Cottbus, DE	daily high min	20.4 C (68.7 F)	2.0 C (3.6 F)	90 years	44 of 100 (Notable)
17 August 1989	Nurnberg, DE	daily high min	18.9 C (66.0 F)	1.4 C (2.5 F)	96 years	43 of 100 (Notable)
17 August 1989	Innsbruck, AT	daily high min	17.9 C (64.2 F)	0.9 C (1.6 F)	98 years	42 of 100 (Notable)
17 August 1989	Praha-Klementinum, CZ	daily high min	21.9 C (71.4 F)	0.6 C (1.1 F)	120 years	42 of 100 (Notable)
17 August 1989	Dekalb, US	daily rain	81.3 mm (3.2 in)	45.0 mm (1.8 in)	28 years	42 of 100 (Notable)
17 August 1989	Valsugana Velha-Montante, BR	daily rain	62.6 mm (2.5 in)	34.4 mm (1.4 in)	8 years	40 of 100 (Notable)
17 August 1989	Bagdad, US	daily rain	36.1 mm (1.4 in)	18.3 mm (0.7 in)	60 years	40 of 100 (Notable)
17 August 1989	Mtn Lake, US	daily low min	17.8 C (64.0 F)	2.2 C (4.0 F)	51 years	40 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

1797 to 1989

Records set or tied on this calendar date in each year from 1797 to 1989. 1989 had 687 records.

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

Records on 08-17 in each year
Year	Records
1797	2
1802	2
1820	2
1837	1
1838	2
1841	2
1842	1
1845	2
1853	1
1854	1
1856	1
1857	1
1861	3
1862	1
1867	1
1868	3
1869	1
1872	1
1875	2
1876	5
1879	1
1881	1
1882	1
1883	2
1885	3
1886	1
1888	5
1891	1
1892	3
1893	2
1894	3
1895	2
1896	3
1897	1
1898	5
1899	8
1900	3
1901	14
1902	7
1903	6
1904	2
1905	11
1906	28
1907	9
1908	26
1909	24
1910	17
1911	18
1912	31
1913	79
1914	41
1915	28
1916	33
1917	35
1918	112
1919	37
1920	110
1921	37
1922	169
1923	161
1924	171
1925	130
1926	182
1927	228
1928	131
1929	243
1930	138
1931	302
1932	360
1933	260
1934	377
1935	437
1936	670
1937	726
1938	466
1939	364
1940	341
1941	378
1942	461
1943	743
1944	531
1945	387
1946	433
1947	682
1948	475
1949	371
1950	522
1951	413
1952	470
1953	345
1954	685
1955	465
1956	407
1957	504
1958	519
1959	543
1960	533
1961	998
1962	445
1963	650
1964	410
1965	641
1966	496
1967	679
1968	953
1969	593
1970	467
1971	447
1972	1,044
1973	750
1974	582
1975	612
1976	797
1977	1,216
1978	814
1979	1,464
1980	895
1981	1,112
1982	554
1983	1,574
1984	726
1985	948
1986	916
1987	1,150
1988	1,608
1989	687
1990	949
1991	560
1992	1,813
1993	803
1994	1,038
1995	1,724
1996	752
1997	1,544
1998	1,003
1999	697
2000	994
2001	1,101
2002	1,266
2003	948
2004	1,046
2005	722
2006	814
2007	1,646
2008	1,301
2009	922
2010	1,105
2011	956
2012	1,215
2013	802
2014	997
2015	890
2016	748
2017	544
2018	518
2019	467
2020	1,529
2021	800
2022	1,428
2023	1,032
2024	740
2025	538
2026	535

Download the Data

Data for records on 1989-08-17: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 10	474
10 to 20	41
20 to 30	13
30 to 40	12
40 to 50	4
50 to 60	1
60 to 70	1