Weather Records on 12 August 1930

501 weather records were set or tied worldwide on 12 August 1930. Highest significance: Vysnij Volocek, RU.

Key Facts for 12 August 1930

On 12 August 1930, 501 weather records were set or tied at long-record stations worldwide.
82 were record highs and 349 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 26 monthly and 474 daily.
Vysnij Volocek set a daily record precipitation of 52.2 mm (2.1 in) on 12 August 1930.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 447 records.

Record Map

501 stations

501 station records on 12 August 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 August 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vysnij Volocek	Russia	Record daily precipitation	52.2 mm (2.1 in)	48 of 100 (Notable)
Holmogadd A	Sweden	Record daily precipitation	30.4 mm (1.2 in)	42 of 100 (Notable)
Wolfridge (Bos)	South Africa	Record daily precipitation	47.0 mm (1.9 in)	40 of 100 (Notable)
Elliotdale (Tnk)	South Africa	Record daily precipitation	41.9 mm (1.6 in)	40 of 100 (Notable)
Geneva	United States	Record daily precipitation	86.9 mm (3.4 in)	36 of 100 (Notable)
Cathcart	South Africa	Record daily precipitation	25.4 mm (1.0 in)	35 of 100 (Notable)
Landsort	Sweden	Record daily precipitation	45.5 mm (1.8 in)	34 of 100 (Routine)
Fairmont	United States	Record daily precipitation	142.2 mm (5.6 in)	33 of 100 (Routine)
Ljubljana Bezigrad	Slovenia	Record daily precipitation	68.1 mm (2.7 in)	32 of 100 (Routine)
Lordsburg 4 SE	United States	Record daily precipitation	49.0 mm (1.9 in)	32 of 100 (Routine)
Williamsburg 2	United States	Record low minimum temperature	7.2 C (45.0 F)	30 of 100 (Routine)
Cape May 2 NW	United States	Record low minimum temperature	12.2 C (54.0 F)	30 of 100 (Routine)
Berlin (Sar)	South Africa	Record daily precipitation	66.0 mm (2.6 in)	29 of 100 (Routine)
Kieskamahoek (Pol)	South Africa	Record daily precipitation	57.2 mm (2.3 in)	28 of 100 (Routine)
Middlesboro Fire Dept	United States	Record low minimum temperature	8.3 C (46.9 F)	28 of 100 (Routine)
Romney 1 SW	United States	Record low minimum temperature	4.4 C (39.9 F)	28 of 100 (Routine)
Kansas City	United States	Record daily precipitation	40.6 mm (1.6 in)	28 of 100 (Routine)
Zametchino	Russia	Record high minimum temperature	20.8 C (69.4 F)	27 of 100 (Routine)
Flagstaff (Tnk)	South Africa	Record daily precipitation	33.0 mm (1.3 in)	27 of 100 (Routine)
Hot Springs	United States	Record low minimum temperature	5.0 C (41.0 F)	27 of 100 (Routine)
Kentani (Bos)	South Africa	Record daily precipitation	28.7 mm (1.1 in)	26 of 100 (Routine)
Sterkstroom (Pol)	South Africa	Record daily precipitation	25.7 mm (1.0 in)	26 of 100 (Routine)
Waynesville 1 E	United States	Record low minimum temperature	7.8 C (46.0 F)	26 of 100 (Routine)
Rugby	United States	Record low minimum temperature	6.7 C (44.1 F)	26 of 100 (Routine)
Parsons 3 SE	United States	Record low minimum temperature	2.2 C (36.0 F)	26 of 100 (Routine)
Gadsden	United States	Record low minimum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Flemington 5 NNW	United States	Record low minimum temperature	6.1 C (43.0 F)	25 of 100 (Routine)
Clifton	United States	Record daily precipitation	29.7 mm (1.2 in)	24 of 100 (Routine)
College Park	United States	Record low minimum temperature	6.1 C (43.0 F)	24 of 100 (Routine)
Geneva	United States	Record low maximum temperature	19.4 C (66.9 F)	24 of 100 (Routine)
Nashua 2 NNW	United States	Record low minimum temperature	3.9 C (39.0 F)	24 of 100 (Routine)
Woodstock 2 NE	United States	Record low minimum temperature	6.1 C (43.0 F)	24 of 100 (Routine)
Glenville	United States	Record low minimum temperature	2.8 C (37.0 F)	24 of 100 (Routine)
Lewisburg 3 N	United States	Record low minimum temperature	4.4 C (39.9 F)	24 of 100 (Routine)
Wheeling (1)	United States	Record low minimum temperature	3.3 C (37.9 F)	24 of 100 (Routine)
Elko Rgnl AP	United States	Record low maximum temperature	22.8 C (73.0 F)	24 of 100 (Routine)
Ottawa	Canada	Record low minimum temperature	6.7 C (44.1 F)	23 of 100 (Routine)
Windsor Kings College	Canada	Record low minimum temperature	6.7 C (44.1 F)	23 of 100 (Routine)
Halden	Norway	Record daily precipitation	29.8 mm (1.2 in)	23 of 100 (Routine)
Risnes I Fjotland	Norway	Record daily precipitation	26.0 mm (1.0 in)	23 of 100 (Routine)
Kei Road (Pol)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	23 of 100 (Routine)
Frederick Police Brks	United States	Record low minimum temperature	8.3 C (46.9 F)	23 of 100 (Routine)
Westernport	United States	Record low minimum temperature	5.0 C (41.0 F)	23 of 100 (Routine)
Booneville	United States	Record low minimum temperature	15.0 C (59.0 F)	23 of 100 (Routine)
Lambertville River	United States	Record low minimum temperature	8.3 C (46.9 F)	23 of 100 (Routine)
Henderson 2 NNW	United States	Record low minimum temperature	13.3 C (55.9 F)	23 of 100 (Routine)
Marion	United States	Record low minimum temperature	11.7 C (53.1 F)	23 of 100 (Routine)
Lancaster 2 NW	United States	Record low minimum temperature	4.4 C (39.9 F)	23 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record low minimum temperature	8.9 C (48.0 F)	23 of 100 (Routine)
Hagerstown 1E	United States	Record low minimum temperature	5.6 C (42.1 F)	22 of 100 (Routine)
Belvidere	United States	Record low minimum temperature	6.1 C (43.0 F)	22 of 100 (Routine)
Weston 2 SE	United States	Record high minimum temperature	23.3 C (73.9 F)	22 of 100 (Routine)
Johnstown	United States	Record low minimum temperature	6.7 C (44.1 F)	22 of 100 (Routine)
Bluefield 2 NW	United States	Record low minimum temperature	7.8 C (46.0 F)	22 of 100 (Routine)
Lost Creek Near	United States	Record low minimum temperature	3.3 C (37.9 F)	22 of 100 (Routine)
Moorefield 1 SSE	United States	Record low minimum temperature	3.9 C (39.0 F)	22 of 100 (Routine)
Kokstad	South Africa	Record daily precipitation	36.6 mm (1.4 in)	21 of 100 (Routine)
Middletown 4 W	United States	Record low minimum temperature	4.4 C (39.9 F)	21 of 100 (Routine)
Grantsville	United States	Record low minimum temperature	1.1 C (34.0 F)	21 of 100 (Routine)
Blue Hill Coop	United States	Record low minimum temperature	8.9 C (48.0 F)	21 of 100 (Routine)

Counts by Type and Timescale

501 records

Records set or tied on 12 August 1930 by type: Highest daily maximum 45, Lowest daily maximum 68, Highest daily minimum 37, Lowest daily minimum 281, Heaviest daily rainfall 70.

Records on 12 August 1930 by type
Record type	Records
Highest daily maximum	45
Lowest daily maximum	68
Highest daily minimum	37
Lowest daily minimum	281
Heaviest daily rainfall	70
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 August 1930 by timescale: all-time 1, monthly 26, daily 474.

How Much Records Were Beaten By

404 broken records

Margins by which the 404 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 40.2. Ties are not counted.

Top 20 by Significance

12 August 1930

Top 20 records on 12 August 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 August 1930	Vysnij Volocek, RU	daily rain	52.2 mm (2.1 in)	40.2 mm (1.6 in)	16 years	48 of 100 (Notable)
12 August 1930	Holmogadd A, SE	daily rain	30.4 mm (1.2 in)	19.8 mm (0.8 in)	24 years	42 of 100 (Notable)
12 August 1930	Wolfridge (Bos), ZA	daily rain	47.0 mm (1.9 in)	24.9 mm (1.0 in)	16 years	40 of 100 (Notable)
12 August 1930	Elliotdale (Tnk), ZA	daily rain	41.9 mm (1.6 in)	26.4 mm (1.0 in)	16 years	40 of 100 (Notable)
12 August 1930	Geneva, US	daily rain	86.9 mm (3.4 in)	36.1 mm (1.4 in)	33 years	36 of 100 (Notable)
12 August 1930	Cathcart, ZA	daily rain	25.4 mm (1.0 in)	18.5 mm (0.7 in)	28 years	35 of 100 (Notable)
12 August 1930	Landsort, SE	daily rain	45.5 mm (1.8 in)	15.1 mm (0.6 in)	21 years	34 of 100 (Routine)
12 August 1930	Fairmont, US	all-time rain	142.2 mm (5.6 in)	4.5 mm (0.18 in)	29 years	33 of 100 (Routine)
12 August 1930	Ljubljana Bezigrad, SI	daily rain	68.1 mm (2.7 in)	39.3 mm (1.5 in)	17 years	32 of 100 (Routine)
12 August 1930	Lordsburg 4 SE, US	monthly rain	49.0 mm (1.9 in)	9.6 mm (0.38 in)	17 years	32 of 100 (Routine)
12 August 1930	Williamsburg 2, US	daily low min	7.2 C (45.0 F)	7.2 C (13.0 F)	8 years	30 of 100 (Routine)
12 August 1930	Cape May 2 NW, US	daily low min	12.2 C (54.0 F)	3.4 C (6.1 F)	45 years	30 of 100 (Routine)
12 August 1930	Berlin (Sar), ZA	monthly rain	66.0 mm (2.6 in)	15.2 mm (0.6 in)	15 years	29 of 100 (Routine)
12 August 1930	Kieskamahoek (Pol), ZA	monthly rain	57.2 mm (2.3 in)	8.9 mm (0.35 in)	15 years	28 of 100 (Routine)
12 August 1930	Middlesboro Fire Dept, US	daily low min	8.3 C (46.9 F)	5.6 C (10.1 F)	24 years	28 of 100 (Routine)
12 August 1930	Romney 1 SW, US	daily low min	4.4 C (39.9 F)	6.2 C (11.2 F)	28 years	28 of 100 (Routine)
12 August 1930	Kansas City, US	daily rain	40.6 mm (1.6 in)	33.7 mm (1.3 in)	15 years	28 of 100 (Routine)
12 August 1930	Zametchino, RU	monthly high min	20.8 C (69.4 F)	0.7 C (1.3 F)	35 years	27 of 100 (Routine)
12 August 1930	Flagstaff (Tnk), ZA	daily rain	33.0 mm (1.3 in)	20.8 mm (0.8 in)	5 years	27 of 100 (Routine)
12 August 1930	Hot Springs, US	daily low min	5.0 C (41.0 F)	5.6 C (10.1 F)	28 years	27 of 100 (Routine)

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 1930

Records set or tied on this calendar date in each year from 1793 to 1930. 1930 had 501 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 1930-08-12: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	377
10 to 20	18
20 to 30	5
30 to 40	3
40 to 50	1