Weather Records on 12 August 1985

935 weather records were set or tied worldwide on 12 August 1985. Highest significance: Poronajsk, RU.

Key Facts for 12 August 1985

On 12 August 1985, 935 weather records were set or tied at long-record stations worldwide.
167 were record highs and 462 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 22 monthly and 910 daily.
Poronajsk set a daily record precipitation of 97.1 mm (3.8 in) on 12 August 1985.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 445 records.

Record Map

935 stations

935 station records on 12 August 1985 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 August 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Poronajsk	Russia	Record daily precipitation	97.1 mm (3.8 in)	68 of 100 (Major)
Canton	United States	Record daily precipitation	70.9 mm (2.8 in)	67 of 100 (Major)
Springview 2NW	United States	Record daily precipitation	91.4 mm (3.6 in)	66 of 100 (Major)
Baranovichi	Belarus	Record daily precipitation	101.1 mm (4.0 in)	63 of 100 (Major)
Mohall	United States	Record daily precipitation	47.2 mm (1.9 in)	60 of 100 (Major)
Kondoma	Russia	Record daily precipitation	58.4 mm (2.3 in)	57 of 100 (Notable)
Campbell	United States	Record daily precipitation	50.0 mm (2.0 in)	56 of 100 (Notable)
Cuatro Cienegas (Smn)	Mexico	Record daily precipitation	57.9 mm (2.3 in)	54 of 100 (Notable)
Druzina	Russia	Record daily precipitation	27.9 mm (1.1 in)	52 of 100 (Notable)
Buffalo 2NE	United States	Record daily precipitation	64.0 mm (2.5 in)	51 of 100 (Notable)
Geraldine	United States	Record daily precipitation	31.8 mm (1.3 in)	51 of 100 (Notable)
Jordan 1SSW	United States	Record daily precipitation	58.9 mm (2.3 in)	50 of 100 (Notable)
Baraboo Wwtp	United States	Record daily precipitation	52.1 mm (2.1 in)	50 of 100 (Notable)
Virginia City	United States	Record low maximum temperature	10.0 C (50.0 F)	49 of 100 (Notable)
Wahpeton 3 N	United States	Record daily precipitation	45.2 mm (1.8 in)	49 of 100 (Notable)
Superior	United States	Record daily precipitation	54.4 mm (2.1 in)	49 of 100 (Notable)
Dillon U of Montana Western	United States	Record low maximum temperature	15.0 C (59.0 F)	48 of 100 (Notable)
Minneapolis-St Paul Intl AP	United States	Record daily precipitation	61.5 mm (2.4 in)	48 of 100 (Notable)
Farmington 3NW	United States	Record daily precipitation	49.0 mm (1.9 in)	47 of 100 (Notable)
Young America 1SW	United States	Record daily precipitation	57.7 mm (2.3 in)	47 of 100 (Notable)
Dresden-Hosterwitz	Germany	Record daily precipitation	60.2 mm (2.4 in)	46 of 100 (Notable)
Fergus Falls	United States	Record daily precipitation	40.4 mm (1.6 in)	46 of 100 (Notable)
Vesta	United States	Record daily precipitation	49.3 mm (1.9 in)	46 of 100 (Notable)
Hiawatha	United States	Record low minimum temperature	2.8 C (37.0 F)	46 of 100 (Notable)
Rosemount Rsch & Outreach Ctr	United States	Record daily precipitation	59.7 mm (2.4 in)	45 of 100 (Notable)
Alexandria	United States	Record daily precipitation	46.7 mm (1.8 in)	45 of 100 (Notable)
Castlewood	United States	Record daily precipitation	59.9 mm (2.4 in)	45 of 100 (Notable)
Wausau ASOS	United States	Record daily precipitation	71.4 mm (2.8 in)	45 of 100 (Notable)
Primghar	United States	Record daily precipitation	42.2 mm (1.7 in)	44 of 100 (Notable)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	41.4 mm (1.6 in)	44 of 100 (Notable)
Bijsk Zonalnaja	Russia	Record daily precipitation	53.0 mm (2.1 in)	43 of 100 (Notable)
Gonvick 2 W	United States	Record daily precipitation	40.6 mm (1.6 in)	43 of 100 (Notable)
Zumbrota	United States	Record daily precipitation	54.4 mm (2.1 in)	43 of 100 (Notable)
De Smet	United States	Record daily precipitation	54.1 mm (2.1 in)	43 of 100 (Notable)
Hamilton	United States	Record low maximum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
River Falls	United States	Record daily precipitation	38.9 mm (1.5 in)	42 of 100 (Notable)
St James Wwtp	United States	Record daily precipitation	54.6 mm (2.1 in)	41 of 100 (Notable)
Bozeman Montana State UNIV	United States	Record low maximum temperature	14.4 C (57.9 F)	41 of 100 (Notable)
Denton	United States	Record low maximum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Kovda	Russia	Record daily precipitation	30.7 mm (1.2 in)	40 of 100 (Notable)
Hutchinson 1 N	United States	Record daily precipitation	35.1 mm (1.4 in)	40 of 100 (Notable)
Clear Lake	United States	Record daily precipitation	51.3 mm (2.0 in)	40 of 100 (Notable)
Ely AP	United States	Record low minimum temperature	-1.1 C (30.0 F)	40 of 100 (Notable)
Faribault	United States	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Maple Plain	United States	Record daily precipitation	57.2 mm (2.3 in)	39 of 100 (Notable)
St Peter	United States	Record daily precipitation	67.8 mm (2.7 in)	39 of 100 (Notable)
Bloomfield	United States	Record daily precipitation	72.4 mm (2.9 in)	39 of 100 (Notable)
White Lake	United States	Record daily precipitation	66.0 mm (2.6 in)	39 of 100 (Notable)
Tremonton	United States	Record low minimum temperature	5.6 C (42.1 F)	39 of 100 (Notable)
Brillion	United States	Record daily precipitation	54.4 mm (2.1 in)	39 of 100 (Notable)
Tokushima	Japan	Record daily precipitation	150.0 mm (5.9 in)	38 of 100 (Notable)
Velsk	Russia	Record daily precipitation	51.7 mm (2.0 in)	38 of 100 (Notable)
Rupert 3 WSW	United States	Record low maximum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
Stanley	United States	Record low maximum temperature	14.4 C (57.9 F)	38 of 100 (Notable)
Ada	United States	Record daily precipitation	26.9 mm (1.1 in)	38 of 100 (Notable)
Willmar Wwtp	United States	Record daily precipitation	40.4 mm (1.6 in)	38 of 100 (Notable)
Windom	United States	Record daily precipitation	41.7 mm (1.6 in)	38 of 100 (Notable)
Norris Madison Pwr House	United States	Record low maximum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Carson	United States	Record daily precipitation	69.3 mm (2.7 in)	38 of 100 (Notable)
Towner 2 NE	United States	Record low maximum temperature	15.0 C (59.0 F)	38 of 100 (Notable)

Counts by Type and Timescale

935 records

Records set or tied on 12 August 1985 by type: Highest daily maximum 60, Lowest daily maximum 248, Highest daily minimum 107, Lowest daily minimum 214, Heaviest daily rainfall 304, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 12 August 1985 by type
Record type	Records
Highest daily maximum	60
Lowest daily maximum	248
Highest daily minimum	107
Lowest daily minimum	214
Heaviest daily rainfall	304
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 12 August 1985 by timescale: all-time 3, monthly 22, daily 910.

How Much Records Were Beaten By

774 broken records

Margins by which the 774 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.0. Ties are not counted.

Top 20 by Significance

12 August 1985

Top 20 records on 12 August 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 August 1985	Poronajsk, RU	daily rain	97.1 mm (3.8 in)	50.9 mm (2.0 in)	70 years	68 of 100 (Major)
12 August 1985	Canton, US	daily rain	70.9 mm (2.8 in)	54.9 mm (2.2 in)	68 years	67 of 100 (Major)
12 August 1985	Springview 2NW, US	monthly rain	91.4 mm (3.6 in)	37.6 mm (1.5 in)	35 years	66 of 100 (Major)
12 August 1985	Baranovichi, BY	all-time rain	101.1 mm (4.0 in)	29.2 mm (1.1 in)	3 years	63 of 100 (Major)
12 August 1985	Mohall, US	daily rain	47.2 mm (1.9 in)	29.4 mm (1.2 in)	67 years	60 of 100 (Major)
12 August 1985	Kondoma, RU	daily rain	58.4 mm (2.3 in)	37.6 mm (1.5 in)	40 years	57 of 100 (Notable)
12 August 1985	Campbell, US	daily rain	50.0 mm (2.0 in)	36.0 mm (1.4 in)	59 years	56 of 100 (Notable)
12 August 1985	Cuatro Cienegas (Smn), MX	daily rain	57.9 mm (2.3 in)	47.0 mm (1.9 in)	52 years	54 of 100 (Notable)
12 August 1985	Druzina, RU	daily rain	27.9 mm (1.1 in)	16.2 mm (0.6 in)	43 years	52 of 100 (Notable)
12 August 1985	Buffalo 2NE, US	daily rain	64.0 mm (2.5 in)	52.3 mm (2.1 in)	34 years	51 of 100 (Notable)
12 August 1985	Geraldine, US	daily rain	31.8 mm (1.3 in)	26.7 mm (1.1 in)	28 years	51 of 100 (Notable)
12 August 1985	Jordan 1SSW, US	daily rain	58.9 mm (2.3 in)	54.6 mm (2.1 in)	22 years	50 of 100 (Notable)
12 August 1985	Baraboo Wwtp, US	daily rain	52.1 mm (2.1 in)	46.8 mm (1.8 in)	28 years	50 of 100 (Notable)
12 August 1985	Virginia City, US	daily low max	10.0 C (50.0 F)	8.3 C (14.9 F)	67 years	49 of 100 (Notable)
12 August 1985	Wahpeton 3 N, US	daily rain	45.2 mm (1.8 in)	26.1 mm (1.0 in)	68 years	49 of 100 (Notable)
12 August 1985	Superior, US	daily rain	54.4 mm (2.1 in)	31.0 mm (1.2 in)	59 years	49 of 100 (Notable)
12 August 1985	Dillon U of Montana Western, US	daily low max	15.0 C (59.0 F)	6.1 C (11.0 F)	76 years	48 of 100 (Notable)
12 August 1985	Minneapolis-St Paul Intl AP, US	daily rain	61.5 mm (2.4 in)	54.1 mm (2.1 in)	22 years	48 of 100 (Notable)
12 August 1985	Farmington 3NW, US	daily rain	49.0 mm (1.9 in)	24.9 mm (1.0 in)	67 years	47 of 100 (Notable)
12 August 1985	Young America 1SW, US	daily rain	57.7 mm (2.3 in)	53.4 mm (2.1 in)	26 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 1985

Records set or tied on this calendar date in each year from 1793 to 1985. 1985 had 935 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 1985-08-12: 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	701
20 to 40	61
40 to 60	10
60 to 80	1
80 to 100	1