Weather Records on 12 August 1981

665 weather records were set or tied worldwide on 12 August 1981. Highest significance: Clovis, US.

Key Facts for 12 August 1981

On 12 August 1981, 665 weather records were set or tied at long-record stations worldwide.
206 were record highs and 249 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 16 monthly and 645 daily.
Clovis set a daily record precipitation of 82.3 mm (3.2 in) on 12 August 1981.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 446 records.

Record Map

665 stations

665 station records on 12 August 1981 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 August 1981: highest significance records shown on the map
Station	Country	Type	Value	Significance
Clovis	United States	Record daily precipitation	82.3 mm (3.2 in)	59 of 100 (Notable)
Cheyenne	United States	Record daily precipitation	35.6 mm (1.4 in)	59 of 100 (Notable)
Valdez WSO	United States	Record daily precipitation	58.9 mm (2.3 in)	54 of 100 (Notable)
Genoa	Italy	Record daily precipitation	63.8 mm (2.5 in)	50 of 100 (Notable)
Imeny_T.G.Shevchenko	Ukraine	Record daily precipitation	60.6 mm (2.4 in)	50 of 100 (Notable)
Tascosa	United States	Record daily precipitation	46.7 mm (1.8 in)	50 of 100 (Notable)
Florence 8 NE	United States	Record daily precipitation	94.7 mm (3.7 in)	49 of 100 (Notable)
Lorenzo	United States	Record daily precipitation	73.4 mm (2.9 in)	45 of 100 (Notable)
House	United States	Record daily precipitation	80.5 mm (3.2 in)	44 of 100 (Notable)
Grenville	United States	Record daily precipitation	49.3 mm (1.9 in)	43 of 100 (Notable)
Muleshoe #1	United States	Record daily precipitation	44.5 mm (1.8 in)	43 of 100 (Notable)
Bektauata	Kazakhstan	Record daily precipitation	30.7 mm (1.2 in)	42 of 100 (Notable)
Jimenez (Smn)	Mexico	Record daily precipitation	36.3 mm (1.4 in)	41 of 100 (Notable)
Greenville	United States	Record daily precipitation	113.3 mm (4.5 in)	41 of 100 (Notable)
Pee Dee	United States	Record daily precipitation	81.3 mm (3.2 in)	41 of 100 (Notable)
Clayton Muni Air Pk	United States	Record daily precipitation	36.8 mm (1.4 in)	41 of 100 (Notable)
Hay River A	Canada	Record daily precipitation	26.6 mm (1.0 in)	40 of 100 (Notable)
Lamar	United States	Record low maximum temperature	20.6 C (69.1 F)	40 of 100 (Notable)
Trinidad	United States	Record daily precipitation	42.4 mm (1.7 in)	40 of 100 (Notable)
Clovis 13 N	United States	Record daily precipitation	50.5 mm (2.0 in)	40 of 100 (Notable)
Slaton	United States	Record daily precipitation	43.9 mm (1.7 in)	40 of 100 (Notable)
Villaflores (Smn)	Mexico	Record daily precipitation	74.4 mm (2.9 in)	39 of 100 (Notable)
Hereford	United States	Record daily precipitation	56.9 mm (2.2 in)	39 of 100 (Notable)
Paragonah	United States	Record low maximum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Iwamizawa	Japan	Record daily precipitation	100.0 mm (3.9 in)	38 of 100 (Notable)
Ojo Caliente	Mexico	Record daily precipitation	54.9 mm (2.2 in)	38 of 100 (Notable)
Borger	United States	Record daily precipitation	32.5 mm (1.3 in)	38 of 100 (Notable)
Camargo (Smn)	Mexico	Record daily precipitation	43.4 mm (1.7 in)	37 of 100 (Notable)
Riito	Mexico	Record low minimum temperature	5.6 C (42.1 F)	37 of 100 (Notable)
Canon City	United States	Record low maximum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Maljamar	United States	Record daily precipitation	62.7 mm (2.5 in)	37 of 100 (Notable)
Tropic	United States	Record low maximum temperature	20.0 C (68.0 F)	37 of 100 (Notable)
Sumiha	Russia	Record daily precipitation	36.2 mm (1.4 in)	36 of 100 (Notable)
Eads	United States	Record low maximum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Ignacio 1 N	United States	Record low maximum temperature	19.4 C (66.9 F)	36 of 100 (Notable)
Walsenburg 1 NW	United States	Record daily precipitation	39.1 mm (1.5 in)	36 of 100 (Notable)
Dimmitt 6 E	United States	Record daily precipitation	56.6 mm (2.2 in)	36 of 100 (Notable)
Big Creek	Canada	Record high maximum temperature	34.0 C (93.2 F)	35 of 100 (Notable)
Saguache	United States	Record low maximum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Elkhart	United States	Record low maximum temperature	22.2 C (72.0 F)	35 of 100 (Notable)
Albemarle	United States	Record daily precipitation	90.2 mm (3.6 in)	35 of 100 (Notable)
Friona	United States	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Memphis	United States	Record low maximum temperature	21.1 C (70.0 F)	35 of 100 (Notable)
Dalhart FAA AP	United States	Record daily precipitation	37.6 mm (1.5 in)	35 of 100 (Notable)
Richmond Post Office	Australia	Record high maximum temperature	34.4 C (93.9 F)	34 of 100 (Routine)
Healdsburg	United States	Record high minimum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Crossroads 2	United States	Record daily precipitation	109.2 mm (4.3 in)	34 of 100 (Routine)
Balmorhea	United States	Record daily precipitation	39.6 mm (1.6 in)	34 of 100 (Routine)
Floydada	United States	Record daily precipitation	98.6 mm (3.9 in)	34 of 100 (Routine)
Hartley 4 ESE	United States	Record daily precipitation	66.0 mm (2.6 in)	34 of 100 (Routine)
Omu	Japan	Record daily precipitation	69.5 mm (2.7 in)	33 of 100 (Routine)
Lake City	United States	Record low maximum temperature	17.8 C (64.0 F)	33 of 100 (Routine)
Las Animas	United States	Record low maximum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Pasamonte	United States	Record daily precipitation	35.1 mm (1.4 in)	33 of 100 (Routine)
Avon	United States	Record daily precipitation	39.9 mm (1.6 in)	33 of 100 (Routine)
Chapel Hill 2 W	United States	Record daily precipitation	35.6 mm (1.4 in)	33 of 100 (Routine)
Kenton	United States	Record low maximum temperature	21.7 C (71.1 F)	33 of 100 (Routine)
Sumter	United States	Record daily precipitation	86.4 mm (3.4 in)	33 of 100 (Routine)
Claude	United States	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Wamsutter	United States	Record low maximum temperature	15.6 C (60.1 F)	33 of 100 (Routine)

Counts by Type and Timescale

665 records

Records set or tied on 12 August 1981 by type: Highest daily maximum 100, Lowest daily maximum 200, Highest daily minimum 106, Lowest daily minimum 49, Heaviest daily rainfall 210.

Records on 12 August 1981 by type
Record type	Records
Highest daily maximum	100
Lowest daily maximum	200
Highest daily minimum	106
Lowest daily minimum	49
Heaviest daily rainfall	210
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 August 1981 by timescale: all-time 4, monthly 16, daily 645.

How Much Records Were Beaten By

517 broken records

Margins by which the 517 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 69.1. Ties are not counted.

Top 20 by Significance

12 August 1981

Top 20 records on 12 August 1981 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 August 1981	Clovis, US	daily rain	82.3 mm (3.2 in)	57.4 mm (2.3 in)	44 years	59 of 100 (Notable)
12 August 1981	Cheyenne, US	daily rain	35.6 mm (1.4 in)	22.4 mm (0.9 in)	44 years	59 of 100 (Notable)
12 August 1981	Valdez WSO, US	daily rain	58.9 mm (2.3 in)	32.0 mm (1.3 in)	59 years	54 of 100 (Notable)
12 August 1981	Genoa, IT	daily rain	63.8 mm (2.5 in)	50.4 mm (2.0 in)	44 years	50 of 100 (Notable)
12 August 1981	Imeny_T.G.Shevchenko, UA	monthly rain	60.6 mm (2.4 in)	18.0 mm (0.7 in)	43 years	50 of 100 (Notable)
12 August 1981	Tascosa, US	daily rain	46.7 mm (1.8 in)	42.9 mm (1.7 in)	28 years	50 of 100 (Notable)
12 August 1981	Florence 8 NE, US	daily rain	94.7 mm (3.7 in)	56.6 mm (2.2 in)	40 years	49 of 100 (Notable)
12 August 1981	Lorenzo, US	daily rain	73.4 mm (2.9 in)	59.7 mm (2.4 in)	12 years	45 of 100 (Notable)
12 August 1981	House, US	daily rain	80.5 mm (3.2 in)	69.1 mm (2.7 in)	0 years	44 of 100 (Notable)
12 August 1981	Grenville, US	daily rain	49.3 mm (1.9 in)	34.1 mm (1.3 in)	12 years	43 of 100 (Notable)
12 August 1981	Muleshoe #1, US	daily rain	44.5 mm (1.8 in)	21.6 mm (0.9 in)	60 years	43 of 100 (Notable)
12 August 1981	Bektauata, KZ	monthly rain	30.7 mm (1.2 in)	7.9 mm (0.31 in)	26 years	42 of 100 (Notable)
12 August 1981	Jimenez (Smn), MX	daily rain	36.3 mm (1.4 in)	22.3 mm (0.9 in)	10 years	41 of 100 (Notable)
12 August 1981	Greenville, US	monthly rain	113.3 mm (4.5 in)	6.6 mm (0.26 in)	56 years	41 of 100 (Notable)
12 August 1981	Pee Dee, US	daily rain	81.3 mm (3.2 in)	38.6 mm (1.5 in)	50 years	41 of 100 (Notable)
12 August 1981	Clayton Muni Air Pk, US	daily rain	36.8 mm (1.4 in)	22.1 mm (0.9 in)	39 years	41 of 100 (Notable)
12 August 1981	Hay River A, CA	daily rain	26.6 mm (1.0 in)	16.7 mm (0.7 in)	28 years	40 of 100 (Notable)
12 August 1981	Lamar, US	daily low max	20.6 C (69.1 F)	6.1 C (11.0 F)	60 years	40 of 100 (Notable)
12 August 1981	Trinidad, US	daily rain	42.4 mm (1.7 in)	11.7 mm (0.5 in)	60 years	40 of 100 (Notable)
12 August 1981	Clovis 13 N, US	daily rain	50.5 mm (2.0 in)	30.7 mm (1.2 in)	28 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

1793 to 1981

Records set or tied on this calendar date in each year from 1793 to 1981. 1981 had 665 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 1981-08-12: 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	426
10 to 20	44
20 to 30	23
30 to 40	13
40 to 50	5
50 to 60	4
60 to 70	2