Weather Records on 12 August 1931

708 weather records were set or tied worldwide on 12 August 1931. Highest significance: Lewiston, US.

Key Facts for 12 August 1931

On 12 August 1931, 708 weather records were set or tied at long-record stations worldwide.
49 were record highs and 463 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 9 monthly and 698 daily.
Lewiston set a daily record precipitation of 56.6 mm (2.2 in) on 12 August 1931.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 446 records.

Record Map

708 stations

708 station records on 12 August 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 August 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lewiston	United States	Record daily precipitation	56.6 mm (2.2 in)	53 of 100 (Notable)
Chandauli	India	Record daily precipitation	161.0 mm (6.3 in)	51 of 100 (Notable)
Valod	India	Record daily precipitation	177.8 mm (7.0 in)	50 of 100 (Notable)
Gardiner	United States	Record daily precipitation	49.0 mm (1.9 in)	50 of 100 (Notable)
Viramgam	India	Record daily precipitation	109.5 mm (4.3 in)	49 of 100 (Notable)
Mohanpur	India	Record daily precipitation	134.1 mm (5.3 in)	49 of 100 (Notable)
Ter Apel	Netherlands	Record daily precipitation	26.3 mm (1.0 in)	47 of 100 (Notable)
Morvi	India	Record daily precipitation	170.7 mm (6.7 in)	45 of 100 (Notable)
Jalalpur	India	Record daily precipitation	135.6 mm (5.3 in)	44 of 100 (Notable)
Mandvi	India	Record daily precipitation	177.8 mm (7.0 in)	44 of 100 (Notable)
Bardoli	India	Record daily precipitation	141.7 mm (5.6 in)	44 of 100 (Notable)
Surat	India	Record daily precipitation	143.8 mm (5.7 in)	44 of 100 (Notable)
Norwalk Wwtp	United States	Record daily precipitation	53.3 mm (2.1 in)	44 of 100 (Notable)
Worcester	United States	Record daily precipitation	56.4 mm (2.2 in)	42 of 100 (Notable)
Navapur	India	Record daily precipitation	78.5 mm (3.1 in)	39 of 100 (Notable)
Covington 8 WNW	United States	Record low minimum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Ostrov Sosnovez	Russia	Record high minimum temperature	12.7 C (54.9 F)	37 of 100 (Notable)
New London	United States	Record daily precipitation	90.4 mm (3.6 in)	37 of 100 (Notable)
San Antonio Nursery	United States	Record low minimum temperature	15.0 C (59.0 F)	36 of 100 (Notable)
Daltonganj	India	Record daily precipitation	96.8 mm (3.8 in)	34 of 100 (Routine)
Kaira	India	Record daily precipitation	66.0 mm (2.6 in)	34 of 100 (Routine)
Jodhpur	India	Record daily precipitation	90.4 mm (3.6 in)	34 of 100 (Routine)
Chita	Russia	Record daily precipitation	49.0 mm (1.9 in)	34 of 100 (Routine)
Lake Konomoc	United States	Record daily precipitation	71.6 mm (2.8 in)	34 of 100 (Routine)
Altastenberg	Germany	Record daily precipitation	28.8 mm (1.1 in)	33 of 100 (Routine)
Colchester 2 W	United States	Record daily precipitation	86.6 mm (3.4 in)	33 of 100 (Routine)
Clinton Forestry HQ	United States	Record low minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Olpad	India	Record daily precipitation	73.4 mm (2.9 in)	32 of 100 (Routine)
Matar	India	Record daily precipitation	63.5 mm (2.5 in)	31 of 100 (Routine)
Hammond	United States	Record low minimum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Woodville 4 ESE	United States	Record low minimum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Holdenville 2SSE	United States	Record low minimum temperature	11.7 C (53.1 F)	31 of 100 (Routine)
Greenville Kgvl Radio	United States	Record low minimum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Chopda	India	Record daily precipitation	43.9 mm (1.7 in)	30 of 100 (Routine)
Cheneyville 1 NE	United States	Record low minimum temperature	13.3 C (55.9 F)	30 of 100 (Routine)
Lake	United States	Record low minimum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Macon 2 NE	United States	Record low minimum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Coleman	United States	Record low minimum temperature	12.8 C (55.0 F)	30 of 100 (Routine)
Jhalod	India	Record daily precipitation	58.2 mm (2.3 in)	29 of 100 (Routine)
Panchgani	India	Record daily precipitation	63.5 mm (2.5 in)	29 of 100 (Routine)
Irkutsk	Russia	Record daily precipitation	32.6 mm (1.3 in)	29 of 100 (Routine)
Middletown 4 W	United States	Record daily precipitation	62.0 mm (2.4 in)	29 of 100 (Routine)
State UNIV	United States	Record low minimum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
Cutchogue	United States	Record daily precipitation	86.9 mm (3.4 in)	29 of 100 (Routine)
Hillsboro	United States	Record low maximum temperature	18.9 C (66.0 F)	29 of 100 (Routine)
Tuskegee	United States	Record low minimum temperature	15.6 C (60.1 F)	28 of 100 (Routine)
Brookhaven City	United States	Record low minimum temperature	15.6 C (60.1 F)	28 of 100 (Routine)
Himatnagar	India	Record daily precipitation	61.0 mm (2.4 in)	27 of 100 (Routine)
Velikie Luki	Russia	Record daily precipitation	29.7 mm (1.2 in)	27 of 100 (Routine)
Clanton	United States	Record low minimum temperature	13.3 C (55.9 F)	27 of 100 (Routine)
Sedan	United States	Record low minimum temperature	9.4 C (48.9 F)	27 of 100 (Routine)
Ashland	United States	Record daily precipitation	63.2 mm (2.5 in)	27 of 100 (Routine)
Pearlington	United States	Record low minimum temperature	16.7 C (62.1 F)	27 of 100 (Routine)
Mahudha	India	Record daily precipitation	61.2 mm (2.4 in)	26 of 100 (Routine)
Varanasi	India	Record daily precipitation	92.7 mm (3.6 in)	26 of 100 (Routine)
Saint Leo	United States	Record low minimum temperature	19.4 C (66.9 F)	26 of 100 (Routine)
Amite	United States	Record low minimum temperature	15.0 C (59.0 F)	26 of 100 (Routine)
Durham	United States	Record daily precipitation	42.4 mm (1.7 in)	26 of 100 (Routine)
Pauls Valley 4 WSW	United States	Record low minimum temperature	10.0 C (50.0 F)	26 of 100 (Routine)
Jackson 4 NW	United States	Record low minimum temperature	14.4 C (57.9 F)	26 of 100 (Routine)

Counts by Type and Timescale

708 records

Records set or tied on 12 August 1931 by type: Highest daily maximum 21, Lowest daily maximum 193, Highest daily minimum 28, Lowest daily minimum 270, Heaviest daily rainfall 196.

Records on 12 August 1931 by type
Record type	Records
Highest daily maximum	21
Lowest daily maximum	193
Highest daily minimum	28
Lowest daily minimum	270
Heaviest daily rainfall	196
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 August 1931 by timescale: all-time 1, monthly 9, daily 698.

How Much Records Were Beaten By

590 broken records

Margins by which the 590 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 142.2. Ties are not counted.

Top 20 by Significance

12 August 1931

Top 20 records on 12 August 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 August 1931	Lewiston, US	daily rain	56.6 mm (2.2 in)	42.9 mm (1.7 in)	35 years	53 of 100 (Notable)
12 August 1931	Chandauli, IN	daily rain	161.0 mm (6.3 in)	127.2 mm (5.0 in)	26 years	51 of 100 (Notable)
12 August 1931	Valod, IN	daily rain	177.8 mm (7.0 in)	142.2 mm (5.6 in)	24 years	50 of 100 (Notable)
12 August 1931	Gardiner, US	daily rain	49.0 mm (1.9 in)	38.3 mm (1.5 in)	35 years	50 of 100 (Notable)
12 August 1931	Viramgam, IN	daily rain	109.5 mm (4.3 in)	102.6 mm (4.0 in)	20 years	49 of 100 (Notable)
12 August 1931	Mohanpur, IN	daily rain	134.1 mm (5.3 in)	115.0 mm (4.5 in)	22 years	49 of 100 (Notable)
12 August 1931	Ter Apel, NL	daily rain	26.3 mm (1.0 in)	19.0 mm (0.7 in)	36 years	47 of 100 (Notable)
12 August 1931	Morvi, IN	monthly rain	170.7 mm (6.7 in)	48.3 mm (1.9 in)	28 years	45 of 100 (Notable)
12 August 1931	Jalalpur, IN	daily rain	135.6 mm (5.3 in)	95.2 mm (3.7 in)	4 years	44 of 100 (Notable)
12 August 1931	Mandvi, IN	daily rain	177.8 mm (7.0 in)	106.2 mm (4.2 in)	4 years	44 of 100 (Notable)
12 August 1931	Bardoli, IN	daily rain	141.7 mm (5.6 in)	91.7 mm (3.6 in)	4 years	44 of 100 (Notable)
12 August 1931	Surat, IN	daily rain	143.8 mm (5.7 in)	132.9 mm (5.2 in)	4 years	44 of 100 (Notable)
12 August 1931	Norwalk Wwtp, US	daily rain	53.3 mm (2.1 in)	39.6 mm (1.6 in)	32 years	44 of 100 (Notable)
12 August 1931	Worcester, US	daily rain	56.4 mm (2.2 in)	29.5 mm (1.2 in)	38 years	42 of 100 (Notable)
12 August 1931	Navapur, IN	daily rain	78.5 mm (3.1 in)	49.8 mm (2.0 in)	9 years	39 of 100 (Notable)
12 August 1931	Covington 8 WNW, US	daily low min	15.6 C (60.1 F)	3.8 C (6.8 F)	34 years	38 of 100 (Notable)
12 August 1931	Ostrov Sosnovez, RU	all-time high min	12.7 C (54.9 F)	1.9 C (3.4 F)	16 years	37 of 100 (Notable)
12 August 1931	New London, US	daily rain	90.4 mm (3.6 in)	47.2 mm (1.9 in)	6 years	37 of 100 (Notable)
12 August 1931	San Antonio Nursery, US	daily low min	15.0 C (59.0 F)	5.6 C (10.1 F)	1 year	36 of 100 (Notable)
12 August 1931	Daltonganj, IN	daily rain	96.8 mm (3.8 in)	50.3 mm (2.0 in)	26 years	34 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 1931

Records set or tied on this calendar date in each year from 1793 to 1931. 1931 had 708 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 1931-08-12: 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 20	521
20 to 40	43
40 to 60	17
60 to 80	1
80 to 100	2
100 to 120	3
120 to 140	2
140 to 160	1