Weather Records on 12 August 1990

727 weather records were set or tied worldwide on 12 August 1990. Highest significance: El Oregano, MX.

Key Facts for 12 August 1990

On 12 August 1990, 727 weather records were set or tied at long-record stations worldwide.
353 were record highs and 152 were record lows, counting maximum and minimum temperature.
By timescale, 8 were all-time records, 27 monthly and 692 daily.
El Oregano set an all-time record daily precipitation of 199.9 mm (7.9 in) on 12 August 1990.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 446 records.

Record Map

727 stations

727 station records on 12 August 1990 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 August 1990: highest significance records shown on the map
Station	Country	Type	Value	Significance
El Oregano	Mexico	Record daily precipitation	199.9 mm (7.9 in)	67 of 100 (Major)
Ust-Sugor	Russia	Record daily precipitation	36.6 mm (1.4 in)	57 of 100 (Notable)
Merton Weir Farm	Australia	Record daily precipitation	60.0 mm (2.4 in)	55 of 100 (Notable)
Sterling	United States	Record daily precipitation	48.3 mm (1.9 in)	55 of 100 (Notable)
Kearney 4 NE	United States	Record daily precipitation	72.4 mm (2.9 in)	54 of 100 (Notable)
Ipswich	United States	Record daily precipitation	67.6 mm (2.7 in)	52 of 100 (Notable)
Shemya USAF Base	United States	Record daily precipitation	49.8 mm (2.0 in)	52 of 100 (Notable)
Crete 4ESE	United States	Record daily precipitation	69.9 mm (2.8 in)	51 of 100 (Notable)
Bell Ranch	United States	Record daily precipitation	45.0 mm (1.8 in)	49 of 100 (Notable)
Ellsworth	United States	Record daily precipitation	93.2 mm (3.7 in)	48 of 100 (Notable)
Three Rivers	United States	Record daily precipitation	45.2 mm (1.8 in)	48 of 100 (Notable)
Minden	United States	Record daily precipitation	25.4 mm (1.0 in)	48 of 100 (Notable)
Glenwood Spgs #2	United States	Record low minimum temperature	1.1 C (34.0 F)	45 of 100 (Notable)
Elwood 8 S	United States	Record daily precipitation	36.1 mm (1.4 in)	45 of 100 (Notable)
Little Port Walter	United States	Record high maximum temperature	31.1 C (88.0 F)	45 of 100 (Notable)
Abbott 1 SE	United States	Record daily precipitation	45.7 mm (1.8 in)	43 of 100 (Notable)
Grover Hill	United States	Record daily precipitation	63.5 mm (2.5 in)	43 of 100 (Notable)
Lincoln UNIV Pwr Plt	United States	Record daily precipitation	68.8 mm (2.7 in)	42 of 100 (Notable)
Larimore 4SW	United States	Record low maximum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Woonsocket	United States	Record daily precipitation	132.1 mm (5.2 in)	41 of 100 (Notable)
Lansing Capital City AP	United States	Record daily precipitation	35.6 mm (1.4 in)	41 of 100 (Notable)
Chandler Heights	United States	Record low maximum temperature	27.8 C (82.0 F)	40 of 100 (Notable)
Upland 2NE	United States	Record daily precipitation	56.9 mm (2.2 in)	40 of 100 (Notable)
Puente Colgante	Mexico	Record high minimum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Gmo Im.E.K.Fedorova	Russia	Record high minimum temperature	6.6 C (43.9 F)	39 of 100 (Notable)
Newburyport	United States	Record daily precipitation	39.6 mm (1.6 in)	39 of 100 (Notable)
Primorsko-Ahtarsk	Russia	Record daily precipitation	47.2 mm (1.9 in)	38 of 100 (Notable)
Ellis	United States	Record daily precipitation	41.1 mm (1.6 in)	38 of 100 (Notable)
Leech Lake	United States	Record low minimum temperature	6.1 C (43.0 F)	38 of 100 (Notable)
Pembina	United States	Record low maximum temperature	12.8 C (55.0 F)	38 of 100 (Notable)
Nacori Chico (Cfe)	Mexico	Record daily precipitation	79.8 mm (3.1 in)	37 of 100 (Notable)
Ft Pierce	United States	Record low minimum temperature	20.0 C (68.0 F)	37 of 100 (Notable)
Scott City	United States	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Grand Lake Stream	United States	Record daily precipitation	48.8 mm (1.9 in)	37 of 100 (Notable)
West Medway	United States	Record daily precipitation	129.3 mm (5.1 in)	37 of 100 (Notable)
Eau Claire 4 NE	United States	Record daily precipitation	48.3 mm (1.9 in)	37 of 100 (Notable)
Wales	United States	Record high maximum temperature	22.8 C (73.0 F)	37 of 100 (Notable)
Adrian 2 NNE	United States	Record daily precipitation	70.9 mm (2.8 in)	36 of 100 (Notable)
Oconto 4 W	United States	Record low maximum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Atengo (Smn)	Mexico	Record daily precipitation	39.1 mm (1.5 in)	35 of 100 (Notable)
Yakutat AP	United States	Record high maximum temperature	28.9 C (84.0 F)	35 of 100 (Notable)
Perelyub	Russia	Record daily precipitation	33.4 mm (1.3 in)	34 of 100 (Routine)
Camp Hill 2NW	United States	Record low minimum temperature	15.0 C (59.0 F)	34 of 100 (Routine)
Loretta 1W	United States	Record daily precipitation	26.4 mm (1.0 in)	34 of 100 (Routine)
Franklin	United States	Record daily precipitation	52.6 mm (2.1 in)	34 of 100 (Routine)
Guide Rock	United States	Record daily precipitation	43.2 mm (1.7 in)	34 of 100 (Routine)
Paxton	United States	Record daily precipitation	29.2 mm (1.1 in)	34 of 100 (Routine)
Toledo Express AP	United States	Record daily precipitation	39.1 mm (1.5 in)	34 of 100 (Routine)
El Novillo (Cfe)	Mexico	Record daily precipitation	149.9 mm (5.9 in)	33 of 100 (Routine)
Los Capulines	Mexico	Record high maximum temperature	40.6 C (105.1 F)	33 of 100 (Routine)
Zilair	Russia	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Mt Sterling	United States	Record daily precipitation	52.3 mm (2.1 in)	33 of 100 (Routine)
Newton	United States	Record daily precipitation	37.8 mm (1.5 in)	33 of 100 (Routine)
Big Springs	United States	Record daily precipitation	28.7 mm (1.1 in)	33 of 100 (Routine)
Sitka AP	United States	Record high maximum temperature	28.3 C (82.9 F)	33 of 100 (Routine)
Brekke I Sogn	Norway	Record daily precipitation	111.5 mm (4.4 in)	32 of 100 (Routine)
Coventry	United States	Record daily precipitation	101.6 mm (4.0 in)	32 of 100 (Routine)
Macomb	United States	Record daily precipitation	43.2 mm (1.7 in)	32 of 100 (Routine)
Winona	United States	Record daily precipitation	33.3 mm (1.3 in)	32 of 100 (Routine)
Franklin	United States	Record daily precipitation	116.8 mm (4.6 in)	32 of 100 (Routine)

Counts by Type and Timescale

727 records

Records set or tied on 12 August 1990 by type: Highest daily maximum 183, Lowest daily maximum 77, Highest daily minimum 170, Lowest daily minimum 75, Heaviest daily rainfall 222.

Records on 12 August 1990 by type
Record type	Records
Highest daily maximum	183
Lowest daily maximum	77
Highest daily minimum	170
Lowest daily minimum	75
Heaviest daily rainfall	222
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 August 1990 by timescale: all-time 8, monthly 27, daily 692.

How Much Records Were Beaten By

556 broken records

Margins by which the 556 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.9. Ties are not counted.

Top 20 by Significance

12 August 1990

Top 20 records on 12 August 1990 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 August 1990	El Oregano, MX	all-time rain	199.9 mm (7.9 in)	102.9 mm (4.1 in)	9 years	67 of 100 (Major)
12 August 1990	Ust-Sugor, RU	daily rain	36.6 mm (1.4 in)	13.7 mm (0.5 in)	85 years	57 of 100 (Notable)
12 August 1990	Merton Weir Farm, AU	monthly rain	60.0 mm (2.4 in)	10.7 mm (0.4 in)	79 years	55 of 100 (Notable)
12 August 1990	Sterling, US	daily rain	48.3 mm (1.9 in)	23.4 mm (0.9 in)	76 years	55 of 100 (Notable)
12 August 1990	Kearney 4 NE, US	daily rain	72.4 mm (2.9 in)	27.7 mm (1.1 in)	73 years	54 of 100 (Notable)
12 August 1990	Ipswich, US	daily rain	67.6 mm (2.7 in)	36.6 mm (1.4 in)	59 years	52 of 100 (Notable)
12 August 1990	Shemya USAF Base, US	daily rain	49.8 mm (2.0 in)	32.8 mm (1.3 in)	28 years	52 of 100 (Notable)
12 August 1990	Crete 4ESE, US	daily rain	69.9 mm (2.8 in)	20.6 mm (0.8 in)	90 years	51 of 100 (Notable)
12 August 1990	Bell Ranch, US	daily rain	45.0 mm (1.8 in)	24.2 mm (1.0 in)	69 years	49 of 100 (Notable)
12 August 1990	Ellsworth, US	monthly rain	93.2 mm (3.7 in)	26.1 mm (1.0 in)	17 years	48 of 100 (Notable)
12 August 1990	Three Rivers, US	daily rain	45.2 mm (1.8 in)	30.0 mm (1.2 in)	52 years	48 of 100 (Notable)
12 August 1990	Minden, US	daily rain	25.4 mm (1.0 in)	17.5 mm (0.7 in)	84 years	48 of 100 (Notable)
12 August 1990	Glenwood Spgs #2, US	daily low min	1.1 C (34.0 F)	3.9 C (7.0 F)	83 years	45 of 100 (Notable)
12 August 1990	Elwood 8 S, US	daily rain	36.1 mm (1.4 in)	17.3 mm (0.7 in)	79 years	45 of 100 (Notable)
12 August 1990	Little Port Walter, US	all-time high max	31.1 C (88.0 F)	4.4 C (7.9 F)	10 years	45 of 100 (Notable)
12 August 1990	Abbott 1 SE, US	daily rain	45.7 mm (1.8 in)	18.5 mm (0.7 in)	57 years	43 of 100 (Notable)
12 August 1990	Grover Hill, US	daily rain	63.5 mm (2.5 in)	40.1 mm (1.6 in)	25 years	43 of 100 (Notable)
12 August 1990	Lincoln UNIV Pwr Plt, US	daily rain	68.8 mm (2.7 in)	4.0 mm (0.16 in)	100 years	42 of 100 (Notable)
12 August 1990	Larimore 4SW, US	daily low max	12.8 C (55.0 F)	5.0 C (9.0 F)	73 years	41 of 100 (Notable)
12 August 1990	Woonsocket, US	all-time rain	132.1 mm (5.2 in)	21.9 mm (0.9 in)	4 years	41 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 1990

Records set or tied on this calendar date in each year from 1793 to 1990. 1990 had 727 records.

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

Records on 08-12 in each year
Year	Records
1793	1
1796	1
1811	2
1814	1
1815	1
1825	1
1843	1
1851	1
1854	1
1855	2
1856	1
1861	1
1864	3
1865	1
1867	1
1868	1
1871	2
1872	1
1873	1
1874	2
1875	3
1876	2
1879	1
1881	2
1883	1
1884	1
1885	1
1887	2
1888	2
1889	4
1890	4
1891	4
1892	2
1893	1
1894	1
1895	6
1896	2
1897	4
1898	1
1899	10
1900	1
1901	5
1902	9
1903	14
1904	13
1905	16
1906	8
1907	8
1908	31
1909	42
1910	16
1911	33
1912	40
1913	39
1914	26
1915	46
1916	31
1917	134
1918	37
1919	42
1920	26
1921	174
1922	71
1923	89
1924	267
1925	150
1926	154
1927	145
1928	173
1929	276
1930	501
1931	708
1932	418
1933	271
1934	471
1935	408
1936	591
1937	356
1938	237
1939	282
1940	545
1941	481
1942	257
1943	523
1944	595
1945	295
1946	655
1947	729
1948	384
1949	469
1950	442
1951	357
1952	533
1953	227
1954	969
1955	590
1956	265
1957	384
1958	406
1959	388
1960	707
1961	381
1962	466
1963	559
1964	1,346
1965	977
1966	777
1967	1,135
1968	444
1969	629
1970	422
1971	486
1972	473
1973	442
1974	560
1975	593
1976	495
1977	747
1978	571
1979	1,192
1980	692
1981	665
1982	789
1983	923
1984	665
1985	935
1986	615
1987	935
1988	1,518
1989	827
1990	727
1991	726
1992	1,134
1993	936
1994	861
1995	1,654
1996	1,336
1997	1,363
1998	1,215
1999	1,325
2000	741
2001	855
2002	1,345
2003	1,752
2004	1,872
2005	1,085
2006	874
2007	1,209
2008	970
2009	814
2010	1,907
2011	903
2012	910
2013	427
2014	787
2015	757
2016	1,290
2017	533
2018	571
2019	695
2020	730
2021	980
2022	616
2023	779
2024	659
2025	639
2026	849

Download the Data

Data for records on 1990-08-12: 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	520
20 to 40	33
40 to 60	2
60 to 80	0
80 to 100	0
100 to 120	1