Weather Records on 20 August 1942

429 weather records were set or tied worldwide on 20 August 1942. Highest significance: Tuscaloosa Oliver Dam, US.

Key Facts for 20 August 1942

On 20 August 1942, 429 weather records were set or tied at long-record stations worldwide.
234 were record highs and 21 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 421 daily.
Tuscaloosa Oliver Dam set a daily record precipitation of 105.9 mm (4.2 in) on 20 August 1942.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 455 records.

Record Map

429 stations

429 station records on 20 August 1942 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 1942: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tuscaloosa Oliver Dam	United States	Record daily precipitation	105.9 mm (4.2 in)	50 of 100 (Notable)
Indargarh	India	Record daily precipitation	127.0 mm (5.0 in)	44 of 100 (Notable)
Utica	United States	Record daily precipitation	63.2 mm (2.5 in)	44 of 100 (Notable)
Mungeli	India	Record daily precipitation	78.5 mm (3.1 in)	43 of 100 (Notable)
Saint Bernard	United States	Record daily precipitation	100.8 mm (4.0 in)	43 of 100 (Notable)
Guntersville	United States	Record daily precipitation	47.8 mm (1.9 in)	42 of 100 (Notable)
Bolpur	India	Record daily precipitation	103.6 mm (4.1 in)	41 of 100 (Notable)
Nellore	India	Record daily precipitation	66.5 mm (2.6 in)	40 of 100 (Notable)
Stellenbosch (Tnk)	South Africa	Record daily precipitation	35.3 mm (1.4 in)	40 of 100 (Notable)
Jackson 4 NW	United States	Record daily precipitation	64.5 mm (2.5 in)	39 of 100 (Notable)
Assobani	India	Record daily precipitation	102.1 mm (4.0 in)	38 of 100 (Notable)
Vanersborg	Sweden	Record high maximum temperature	28.5 C (83.3 F)	36 of 100 (Notable)
Tanuku	India	Record daily precipitation	82.6 mm (3.3 in)	35 of 100 (Notable)
Karauli	India	Record daily precipitation	120.1 mm (4.7 in)	35 of 100 (Notable)
Concord	United States	Record daily precipitation	51.8 mm (2.0 in)	35 of 100 (Notable)
Moga	India	Record daily precipitation	69.1 mm (2.7 in)	34 of 100 (Routine)
Ajmer	India	Record daily precipitation	81.8 mm (3.2 in)	34 of 100 (Routine)
Dalmau	India	Record daily precipitation	87.9 mm (3.5 in)	34 of 100 (Routine)
Penukonda	India	Record daily precipitation	81.8 mm (3.2 in)	33 of 100 (Routine)
Sidlaghatta	India	Record daily precipitation	68.1 mm (2.7 in)	33 of 100 (Routine)
Oneonta	United States	Record daily precipitation	72.4 mm (2.9 in)	33 of 100 (Routine)
Daudnagar(Haspur)	India	Record daily precipitation	158.2 mm (6.2 in)	32 of 100 (Routine)
Chernjaevo	Russia	Record daily precipitation	45.0 mm (1.8 in)	32 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high minimum temperature	15.6 C (60.1 F)	30 of 100 (Routine)
Didwana	India	Record daily precipitation	69.3 mm (2.7 in)	30 of 100 (Routine)
Payette	United States	Record high minimum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record high maximum temperature	20.2 C (68.4 F)	29 of 100 (Routine)
Mildura Post Office	Australia	Record high maximum temperature	28.9 C (84.0 F)	28 of 100 (Routine)
Mildura Post Office	Australia	Record high minimum temperature	12.2 C (54.0 F)	28 of 100 (Routine)
Dharmsala Lower	India	Record daily precipitation	134.6 mm (5.3 in)	28 of 100 (Routine)
Melur	India	Record daily precipitation	107.4 mm (4.2 in)	28 of 100 (Routine)
Gadsden	United States	Record low maximum temperature	24.4 C (75.9 F)	28 of 100 (Routine)
Talladega	United States	Record daily precipitation	43.9 mm (1.7 in)	28 of 100 (Routine)
Houma	United States	Record low maximum temperature	26.7 C (80.1 F)	28 of 100 (Routine)
Orebro	Sweden	Record high maximum temperature	26.3 C (79.3 F)	27 of 100 (Routine)
Millen 4 N	United States	Record daily precipitation	66.5 mm (2.6 in)	27 of 100 (Routine)
Rome	United States	Record low maximum temperature	23.9 C (75.0 F)	27 of 100 (Routine)
Columbus 4 ESE	United States	Record low maximum temperature	25.0 C (77.0 F)	27 of 100 (Routine)
Bryson City 2	United States	Record daily precipitation	35.8 mm (1.4 in)	27 of 100 (Routine)
Alice Springs Post Office	Australia	Record high minimum temperature	19.4 C (66.9 F)	26 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record high maximum temperature	22.8 C (73.0 F)	26 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record high maximum temperature	27.2 C (81.0 F)	26 of 100 (Routine)
Merrill	United States	Record daily precipitation	68.6 mm (2.7 in)	26 of 100 (Routine)
Gobichettipalaya	India	Record daily precipitation	42.7 mm (1.7 in)	25 of 100 (Routine)
Porthill	United States	Record high maximum temperature	35.0 C (95.0 F)	25 of 100 (Routine)
Blaine	United States	Record high minimum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
Nhill	Australia	Record high maximum temperature	24.9 C (76.8 F)	24 of 100 (Routine)
Chamarajnagar	India	Record daily precipitation	36.1 mm (1.4 in)	24 of 100 (Routine)
Parasala	India	Record daily precipitation	29.2 mm (1.1 in)	24 of 100 (Routine)
Mtn Home	United States	Record high minimum temperature	18.9 C (66.0 F)	24 of 100 (Routine)
Magnolia	United States	Record high minimum temperature	25.6 C (78.1 F)	24 of 100 (Routine)
Winthrop 1 WSW	United States	Record high minimum temperature	21.7 C (71.1 F)	24 of 100 (Routine)
Tranebjerg	Denmark	Record high minimum temperature	17.5 C (63.5 F)	23 of 100 (Routine)
Peddapuram	India	Record daily precipitation	40.1 mm (1.6 in)	23 of 100 (Routine)
Ulricehamn	Sweden	Record high minimum temperature	14.0 C (57.2 F)	23 of 100 (Routine)
Dahlonega 4WSW	United States	Record daily precipitation	33.0 mm (1.3 in)	23 of 100 (Routine)
Geraldine 6 SE	United States	Record high minimum temperature	23.3 C (73.9 F)	23 of 100 (Routine)
Spearfish	United States	Record high minimum temperature	21.7 C (71.1 F)	23 of 100 (Routine)
Stockdill Rch	United States	Record high minimum temperature	20.0 C (68.0 F)	23 of 100 (Routine)
Kelowna	Canada	Record high minimum temperature	20.0 C (68.0 F)	22 of 100 (Routine)

Counts by Type and Timescale

429 records

Records set or tied on 20 August 1942 by type: Highest daily maximum 122, Lowest daily maximum 19, Highest daily minimum 112, Lowest daily minimum 2, Heaviest daily rainfall 174.

Records on 20 August 1942 by type
Record type	Records
Highest daily maximum	122
Lowest daily maximum	19
Highest daily minimum	112
Lowest daily minimum	2
Heaviest daily rainfall	174
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 1942 by timescale: all-time 0, monthly 8, daily 421.

How Much Records Were Beaten By

352 broken records

Margins by which the 352 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 91.1. Ties are not counted.

Top 20 by Significance

20 August 1942

Top 20 records on 20 August 1942 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 1942	Tuscaloosa Oliver Dam, US	daily rain	105.9 mm (4.2 in)	58.7 mm (2.3 in)	21 years	50 of 100 (Notable)
20 August 1942	Indargarh, IN	daily rain	127.0 mm (5.0 in)	83.3 mm (3.3 in)	23 years	44 of 100 (Notable)
20 August 1942	Utica, US	daily rain	63.2 mm (2.5 in)	46.9 mm (1.8 in)	32 years	44 of 100 (Notable)
20 August 1942	Mungeli, IN	daily rain	78.5 mm (3.1 in)	53.1 mm (2.1 in)	40 years	43 of 100 (Notable)
20 August 1942	Saint Bernard, US	daily rain	100.8 mm (4.0 in)	91.1 mm (3.6 in)	0 years	43 of 100 (Notable)
20 August 1942	Guntersville, US	daily rain	47.8 mm (1.9 in)	40.2 mm (1.6 in)	32 years	42 of 100 (Notable)
20 August 1942	Bolpur, IN	daily rain	103.6 mm (4.1 in)	55.3 mm (2.2 in)	24 years	41 of 100 (Notable)
20 August 1942	Nellore, IN	daily rain	66.5 mm (2.6 in)	39.8 mm (1.6 in)	4 years	40 of 100 (Notable)
20 August 1942	Stellenbosch (Tnk), ZA	daily rain	35.3 mm (1.4 in)	16.2 mm (0.6 in)	58 years	40 of 100 (Notable)
20 August 1942	Jackson 4 NW, US	daily rain	64.5 mm (2.5 in)	33.5 mm (1.3 in)	27 years	39 of 100 (Notable)
20 August 1942	Assobani, IN	daily rain	102.1 mm (4.0 in)	47.7 mm (1.9 in)	24 years	38 of 100 (Notable)
20 August 1942	Vanersborg, SE	daily high max	28.5 C (83.3 F)	4.5 C (8.1 F)	46 years	36 of 100 (Notable)
20 August 1942	Tanuku, IN	daily rain	82.6 mm (3.3 in)	48.8 mm (1.9 in)	12 years	35 of 100 (Notable)
20 August 1942	Karauli, IN	daily rain	120.1 mm (4.7 in)	67.8 mm (2.7 in)	12 years	35 of 100 (Notable)
20 August 1942	Concord, US	daily rain	51.8 mm (2.0 in)	42.9 mm (1.7 in)	12 years	35 of 100 (Notable)
20 August 1942	Moga, IN	daily rain	69.1 mm (2.7 in)	61.5 mm (2.4 in)	8 years	34 of 100 (Routine)
20 August 1942	Ajmer, IN	daily rain	81.8 mm (3.2 in)	51.3 mm (2.0 in)	24 years	34 of 100 (Routine)
20 August 1942	Dalmau, IN	daily rain	87.9 mm (3.5 in)	55.4 mm (2.2 in)	7 years	34 of 100 (Routine)
20 August 1942	Penukonda, IN	daily rain	81.8 mm (3.2 in)	30.5 mm (1.2 in)	32 years	33 of 100 (Routine)
20 August 1942	Sidlaghatta, IN	daily rain	68.1 mm (2.7 in)	29.2 mm (1.1 in)	17 years	33 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 1942

Records set or tied on this calendar date in each year from 1797 to 1942. 1942 had 429 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 1942-08-20: 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	320
20 to 40	15
40 to 60	12
60 to 80	3
80 to 100	2