Weather Records on 20 August 1931

214 weather records were set or tied worldwide on 20 August 1931. Highest significance: Victoria Cp&L, US.

Key Facts for 20 August 1931

On 20 August 1931, 214 weather records were set or tied at long-record stations worldwide.
70 were record highs and 18 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 212 daily.
Victoria Cp&L set a daily record precipitation of 77.5 mm (3.1 in) on 20 August 1931.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 456 records.

Record Map

214 stations

214 station records on 20 August 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Victoria Cp&L	United States	Record daily precipitation	77.5 mm (3.1 in)	53 of 100 (Notable)
Hallettsville 2 N	United States	Record daily precipitation	69.9 mm (2.8 in)	48 of 100 (Notable)
Panipat	India	Record daily precipitation	114.3 mm (4.5 in)	47 of 100 (Notable)
Lucknow	India	Record daily precipitation	104.6 mm (4.1 in)	47 of 100 (Notable)
Richmond Chimborazo Pk	United States	Record daily precipitation	120.4 mm (4.7 in)	43 of 100 (Notable)
Jagatsingpur	India	Record daily precipitation	160.0 mm (6.3 in)	40 of 100 (Notable)
Cheljabinsk-Balandi	Russia	Record daily precipitation	25.8 mm (1.0 in)	39 of 100 (Notable)
Reit Im Winkl	Germany	Record daily precipitation	59.0 mm (2.3 in)	35 of 100 (Notable)
Jagadhari	India	Record daily precipitation	111.8 mm (4.4 in)	33 of 100 (Routine)
Ambala Obsy	India	Record daily precipitation	83.8 mm (3.3 in)	33 of 100 (Routine)
Jallesore	India	Record daily precipitation	88.4 mm (3.5 in)	33 of 100 (Routine)
Waco	United States	Record daily precipitation	56.4 mm (2.2 in)	33 of 100 (Routine)
Chendipada	India	Record daily precipitation	134.6 mm (5.3 in)	32 of 100 (Routine)
Bardstown	United States	Record daily precipitation	51.3 mm (2.0 in)	32 of 100 (Routine)
Naraingarh	India	Record daily precipitation	123.7 mm (4.9 in)	31 of 100 (Routine)
Carthage	United States	Record daily precipitation	71.1 mm (2.8 in)	30 of 100 (Routine)
Talcher	India	Record daily precipitation	119.9 mm (4.7 in)	29 of 100 (Routine)
Purwa	India	Record daily precipitation	61.2 mm (2.4 in)	29 of 100 (Routine)
Innsbruck	Austria	Record daily precipitation	49.0 mm (1.9 in)	27 of 100 (Routine)
Grafton 1 NE	United States	Record daily precipitation	42.2 mm (1.7 in)	27 of 100 (Routine)
Sidhauli	India	Record daily precipitation	63.0 mm (2.5 in)	26 of 100 (Routine)
Hewitt	United States	Record daily precipitation	26.7 mm (1.1 in)	26 of 100 (Routine)
Runge	United States	Record daily precipitation	42.4 mm (1.7 in)	26 of 100 (Routine)
Soro	India	Record daily precipitation	153.7 mm (6.1 in)	24 of 100 (Routine)
Raghunathpur	India	Record daily precipitation	88.9 mm (3.5 in)	24 of 100 (Routine)
Clanton	United States	Record daily precipitation	35.6 mm (1.4 in)	24 of 100 (Routine)
Rome	United States	Record daily precipitation	43.7 mm (1.7 in)	23 of 100 (Routine)
Richmond	United States	Record daily precipitation	33.0 mm (1.3 in)	23 of 100 (Routine)
Khurda	India	Record daily precipitation	109.2 mm (4.3 in)	22 of 100 (Routine)
Mt Airy 2 W	United States	Record daily precipitation	26.4 mm (1.0 in)	22 of 100 (Routine)
Middlesboro Fire Dept	United States	Record daily precipitation	39.4 mm (1.6 in)	21 of 100 (Routine)
Plain Dealing	United States	Record low maximum temperature	26.7 C (80.1 F)	21 of 100 (Routine)
Evanston 1 E	United States	Record high maximum temperature	31.7 C (89.1 F)	21 of 100 (Routine)
Maly Uzen'	Russia	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Cambridge St Hospital	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Clark	United States	Record high minimum temperature	22.8 C (73.0 F)	20 of 100 (Routine)
Constantine	Algeria	Record high minimum temperature	25.0 C (77.0 F)	19 of 100 (Routine)
Fort Chipewyan	Canada	Record high maximum temperature	30.0 C (86.0 F)	19 of 100 (Routine)
Grenfell	Canada	Record high minimum temperature	18.9 C (66.0 F)	19 of 100 (Routine)
Battleford	Canada	Record high maximum temperature	37.2 C (99.0 F)	19 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	17.2 C (63.0 F)	19 of 100 (Routine)
Saskatoon Diefenbaker Int'l A	Canada	Record high minimum temperature	17.2 C (63.0 F)	19 of 100 (Routine)
Metten	Germany	Record daily precipitation	21.3 mm (0.8 in)	19 of 100 (Routine)
Geneva	United States	Record daily precipitation	27.9 mm (1.1 in)	19 of 100 (Routine)
Qu'appelle	Canada	Record high minimum temperature	17.2 C (63.0 F)	18 of 100 (Routine)
Regina Int'l A	Canada	Record high maximum temperature	33.3 C (91.9 F)	18 of 100 (Routine)
Swift Current	Canada	Record high maximum temperature	36.7 C (98.1 F)	18 of 100 (Routine)
Keonjhargarh	India	Record daily precipitation	77.7 mm (3.1 in)	18 of 100 (Routine)
Baripada	India	Record daily precipitation	58.9 mm (2.3 in)	18 of 100 (Routine)
Quincy	United States	Record daily precipitation	44.5 mm (1.8 in)	18 of 100 (Routine)
Dillon U of Montana Western	United States	Record high minimum temperature	17.2 C (63.0 F)	18 of 100 (Routine)
Great Falls 16St	United States	Record high maximum temperature	37.2 C (99.0 F)	18 of 100 (Routine)
Logan Utah St UNIV	United States	Record high maximum temperature	35.0 C (95.0 F)	18 of 100 (Routine)
Williston Sloulin Fld	United States	Record high minimum temperature	21.1 C (70.0 F)	18 of 100 (Routine)
Fort Macleod	Canada	Record high maximum temperature	35.6 C (96.1 F)	17 of 100 (Routine)
Bakhtiarpur	India	Record daily precipitation	44.5 mm (1.8 in)	17 of 100 (Routine)
Vayittiri	India	Record daily precipitation	92.7 mm (3.6 in)	17 of 100 (Routine)
Gjerstad I Aust-Agder	Norway	Record daily precipitation	38.1 mm (1.5 in)	17 of 100 (Routine)
Middlesboro Fire Dept	United States	Record low maximum temperature	21.7 C (71.1 F)	17 of 100 (Routine)
Hondo	United States	Record daily precipitation	16.8 mm (0.7 in)	17 of 100 (Routine)

Counts by Type and Timescale

214 records

Records set or tied on 20 August 1931 by type: Highest daily maximum 42, Lowest daily maximum 13, Highest daily minimum 28, Lowest daily minimum 5, Heaviest daily rainfall 126.

Records on 20 August 1931 by type
Record type	Records
Highest daily maximum	42
Lowest daily maximum	13
Highest daily minimum	28
Lowest daily minimum	5
Heaviest daily rainfall	126
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 1931 by timescale: all-time 0, monthly 2, daily 212.

How Much Records Were Beaten By

183 broken records

Margins by which the 183 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 99.3. Ties are not counted.

Top 20 by Significance

20 August 1931

Top 20 records on 20 August 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 1931	Victoria Cp&L, US	daily rain	77.5 mm (3.1 in)	60.5 mm (2.4 in)	37 years	53 of 100 (Notable)
20 August 1931	Hallettsville 2 N, US	daily rain	69.9 mm (2.8 in)	60.0 mm (2.4 in)	37 years	48 of 100 (Notable)
20 August 1931	Panipat, IN	daily rain	114.3 mm (4.5 in)	98.6 mm (3.9 in)	29 years	47 of 100 (Notable)
20 August 1931	Lucknow, IN	daily rain	104.6 mm (4.1 in)	89.1 mm (3.5 in)	16 years	47 of 100 (Notable)
20 August 1931	Richmond Chimborazo Pk, US	monthly rain	120.4 mm (4.7 in)	36.8 mm (1.4 in)	23 years	43 of 100 (Notable)
20 August 1931	Jagatsingpur, IN	daily rain	160.0 mm (6.3 in)	99.3 mm (3.9 in)	16 years	40 of 100 (Notable)
20 August 1931	Cheljabinsk-Balandi, RU	daily rain	25.8 mm (1.0 in)	20.3 mm (0.8 in)	16 years	39 of 100 (Notable)
20 August 1931	Reit Im Winkl, DE	daily rain	59.0 mm (2.3 in)	33.0 mm (1.3 in)	10 years	35 of 100 (Notable)
20 August 1931	Jagadhari, IN	daily rain	111.8 mm (4.4 in)	74.5 mm (2.9 in)	20 years	33 of 100 (Routine)
20 August 1931	Ambala Obsy, IN	daily rain	83.8 mm (3.3 in)	47.7 mm (1.9 in)	20 years	33 of 100 (Routine)
20 August 1931	Jallesore, IN	daily rain	88.4 mm (3.5 in)	51.6 mm (2.0 in)	16 years	33 of 100 (Routine)
20 August 1931	Waco, US	daily rain	56.4 mm (2.2 in)	40.9 mm (1.6 in)	24 years	33 of 100 (Routine)
20 August 1931	Chendipada, IN	daily rain	134.6 mm (5.3 in)	59.2 mm (2.3 in)	1 year	32 of 100 (Routine)
20 August 1931	Bardstown, US	daily rain	51.3 mm (2.0 in)	28.9 mm (1.1 in)	25 years	32 of 100 (Routine)
20 August 1931	Naraingarh, IN	daily rain	123.7 mm (4.9 in)	57.7 mm (2.3 in)	24 years	31 of 100 (Routine)
20 August 1931	Carthage, US	daily rain	71.1 mm (2.8 in)	34.3 mm (1.4 in)	29 years	30 of 100 (Routine)
20 August 1931	Talcher, IN	daily rain	119.9 mm (4.7 in)	38.1 mm (1.5 in)	24 years	29 of 100 (Routine)
20 August 1931	Purwa, IN	daily rain	61.2 mm (2.4 in)	38.3 mm (1.5 in)	26 years	29 of 100 (Routine)
20 August 1931	Innsbruck, AT	daily rain	49.0 mm (1.9 in)	18.0 mm (0.7 in)	17 years	27 of 100 (Routine)
20 August 1931	Grafton 1 NE, US	daily rain	42.2 mm (1.7 in)	17.3 mm (0.7 in)	29 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

1797 to 1931

Records set or tied on this calendar date in each year from 1797 to 1931. 1931 had 214 records.

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

Records on 08-20 in each year
Year	Records
1797	1
1807	1
1809	2
1816	1
1830	1
1832	1
1838	1
1840	1
1842	1
1846	1
1849	1
1850	1
1852	1
1858	3
1863	5
1867	4
1870	3
1871	1
1873	1
1875	2
1877	1
1883	2
1884	2
1885	6
1886	1
1888	1
1889	2
1890	2
1891	2
1892	6
1893	1
1894	1
1895	1
1896	5
1897	6
1898	1
1899	5
1900	7
1901	12
1902	3
1903	7
1904	30
1905	7
1906	26
1907	15
1908	21
1909	69
1910	7
1911	18
1912	25
1913	23
1914	15
1915	14
1916	74
1917	51
1918	69
1919	25
1920	47
1921	23
1922	52
1923	83
1924	132
1925	193
1926	187
1927	338
1928	101
1929	213
1930	318
1931	214
1932	299
1933	324
1934	376
1935	339
1936	543
1937	537
1938	250
1939	448
1940	695
1941	230
1942	429
1943	436
1944	355
1945	398
1946	349
1947	988
1948	403
1949	431
1950	1,341
1951	824
1952	425
1953	441
1954	476
1955	848
1956	678
1957	342
1958	281
1959	764
1960	465
1961	520
1962	684
1963	577
1964	629
1965	470
1966	1,094
1967	657
1968	862
1969	608
1970	414
1971	585
1972	522
1973	490
1974	565
1975	411
1976	894
1977	860
1978	563
1979	1,009
1980	991
1981	856
1982	620
1983	1,465
1984	696
1985	666
1986	819
1987	564
1988	991
1989	603
1990	1,262
1991	804
1992	1,168
1993	759
1994	719
1995	1,113
1996	900
1997	1,214
1998	802
1999	810
2000	989
2001	909
2002	1,208
2003	1,031
2004	1,333
2005	1,112
2006	851
2007	1,955
2008	1,170
2009	1,414
2010	1,028
2011	987
2012	1,086
2013	545
2014	582
2015	1,075
2016	872
2017	324
2018	657
2019	698
2020	1,051
2021	1,028
2022	1,038
2023	1,479
2024	589
2025	1,134
2026	985

Download the Data

Data for records on 1931-08-20: 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	154
20 to 40	18
40 to 60	5
60 to 80	3
80 to 100	3