Weather Records on 21 August 1946

390 weather records were set or tied worldwide on 21 August 1946. Highest significance: Dawson, CA.

Key Facts for 21 August 1946

On 21 August 1946, 390 weather records were set or tied at long-record stations worldwide.
189 were record highs and 73 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 11 monthly and 377 daily.
Dawson set a daily record precipitation of 31.5 mm (1.2 in) on 21 August 1946.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 450 records.

Record Map

390 stations

390 station records on 21 August 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dawson	Canada	Record daily precipitation	31.5 mm (1.2 in)	56 of 100 (Notable)
Scaddan Post Office	Australia	Record daily precipitation	38.4 mm (1.5 in)	55 of 100 (Notable)
Ilav	India	Record daily precipitation	118.6 mm (4.7 in)	53 of 100 (Notable)
Winterset 4N	United States	Record daily precipitation	94.5 mm (3.7 in)	48 of 100 (Notable)
Sakti	India	Record daily precipitation	176.5 mm (6.9 in)	44 of 100 (Notable)
Bremen-Seefahrtschule	Germany	Record daily precipitation	27.4 mm (1.1 in)	40 of 100 (Notable)
Olpad	India	Record daily precipitation	101.6 mm (4.0 in)	40 of 100 (Notable)
Pal-Lahara	India	Record daily precipitation	211.8 mm (8.3 in)	40 of 100 (Notable)
Oakdale	United States	Record daily precipitation	54.6 mm (2.1 in)	38 of 100 (Notable)
Guthrie Ctr	United States	Record daily precipitation	42.2 mm (1.7 in)	35 of 100 (Notable)
Indianola 1SW	United States	Record daily precipitation	73.7 mm (2.9 in)	35 of 100 (Notable)
Bederkesa	Germany	Record daily precipitation	33.5 mm (1.3 in)	34 of 100 (Routine)
Winnemucca AP	United States	Record high minimum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Roxboro 7 ESE	United States	Record daily precipitation	34.5 mm (1.4 in)	33 of 100 (Routine)
Udaipur	India	Record daily precipitation	77.2 mm (3.0 in)	32 of 100 (Routine)
Kiev	Ukraine	Record high maximum temperature	39.2 C (102.6 F)	32 of 100 (Routine)
Mandvi	India	Record daily precipitation	91.9 mm (3.6 in)	31 of 100 (Routine)
Audubon	United States	Record daily precipitation	78.7 mm (3.1 in)	31 of 100 (Routine)
Elizabeth City	United States	Record daily precipitation	115.3 mm (4.5 in)	31 of 100 (Routine)
Effingham	United States	Record daily precipitation	66.5 mm (2.6 in)	31 of 100 (Routine)
Mandreal	India	Record daily precipitation	76.2 mm (3.0 in)	30 of 100 (Routine)
Chhata	India	Record daily precipitation	68.1 mm (2.7 in)	30 of 100 (Routine)
Chappells 2 NNW	United States	Record daily precipitation	65.0 mm (2.6 in)	30 of 100 (Routine)
Kursk	Russia	Record high minimum temperature	23.0 C (73.4 F)	29 of 100 (Routine)
Truchas	United States	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
Prince Rupert	Canada	Record high minimum temperature	16.7 C (62.1 F)	28 of 100 (Routine)
Lunawada	India	Record daily precipitation	98.0 mm (3.9 in)	28 of 100 (Routine)
Janjgir	India	Record daily precipitation	137.2 mm (5.4 in)	28 of 100 (Routine)
Korai	India	Record daily precipitation	134.6 mm (5.3 in)	28 of 100 (Routine)
Nimarana	India	Record daily precipitation	79.2 mm (3.1 in)	28 of 100 (Routine)
Longmont 2 ESE	United States	Record high minimum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Gaspe	Canada	Record low maximum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Rock Island	United States	Record high maximum temperature	44.4 C (111.9 F)	27 of 100 (Routine)
Elko Rgnl AP	United States	Record high minimum temperature	16.7 C (62.1 F)	27 of 100 (Routine)
Quincy Exp STN	United States	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Waynesville 1 E	United States	Record high minimum temperature	22.8 C (73.0 F)	26 of 100 (Routine)
Kalol	India	Record daily precipitation	74.4 mm (2.9 in)	25 of 100 (Routine)
Bardoli	India	Record daily precipitation	57.2 mm (2.3 in)	25 of 100 (Routine)
Rajkanika	India	Record daily precipitation	279.4 mm (11.0 in)	25 of 100 (Routine)
Baseri	India	Record daily precipitation	63.5 mm (2.5 in)	25 of 100 (Routine)
Khanpur	India	Record daily precipitation	135.6 mm (5.3 in)	25 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record high maximum temperature	35.8 C (96.4 F)	25 of 100 (Routine)
Choteau	United States	Record high minimum temperature	16.1 C (61.0 F)	25 of 100 (Routine)
Le Bourget	France	Record low maximum temperature	14.4 C (57.9 F)	24 of 100 (Routine)
Philipsburg	United States	Record high minimum temperature	12.8 C (55.0 F)	24 of 100 (Routine)
Ashland	United States	Record high minimum temperature	16.7 C (62.1 F)	24 of 100 (Routine)
Barkerville	Canada	Record low minimum temperature	-1.1 C (30.0 F)	23 of 100 (Routine)
Greensboro	United States	Record daily precipitation	52.3 mm (2.1 in)	23 of 100 (Routine)
Coeur D'Alene	United States	Record high maximum temperature	37.8 C (100.0 F)	23 of 100 (Routine)
Waukee	United States	Record daily precipitation	60.2 mm (2.4 in)	23 of 100 (Routine)
Bozeman Montana State UNIV	United States	Record high minimum temperature	14.4 C (57.9 F)	23 of 100 (Routine)
Buzau	Romania	Record high maximum temperature	37.5 C (99.5 F)	22 of 100 (Routine)
Tobolsk	Russia	Record daily precipitation	26.2 mm (1.0 in)	22 of 100 (Routine)
Childs	United States	Record high minimum temperature	25.6 C (78.1 F)	22 of 100 (Routine)
Ft Collins	United States	Record high minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
American Falls 6 NE	United States	Record high minimum temperature	18.3 C (64.9 F)	22 of 100 (Routine)
Knoxville	United States	Record low maximum temperature	20.0 C (68.0 F)	22 of 100 (Routine)
Jeanerette 5 NW	United States	Record low minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Emerald Post Office	Australia	Record low minimum temperature	1.3 C (34.3 F)	21 of 100 (Routine)
Calarasi	Romania	Record high maximum temperature	37.5 C (99.5 F)	21 of 100 (Routine)

Counts by Type and Timescale

390 records

Records set or tied on 21 August 1946 by type: Highest daily maximum 101, Lowest daily maximum 35, Highest daily minimum 88, Lowest daily minimum 38, Heaviest daily rainfall 128.

Records on 21 August 1946 by type
Record type	Records
Highest daily maximum	101
Lowest daily maximum	35
Highest daily minimum	88
Lowest daily minimum	38
Heaviest daily rainfall	128
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 1946 by timescale: all-time 2, monthly 11, daily 377.

How Much Records Were Beaten By

301 broken records

Margins by which the 301 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 92.7. Ties are not counted.

Top 20 by Significance

21 August 1946

Top 20 records on 21 August 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 1946	Dawson, CA	daily rain	31.5 mm (1.2 in)	19.8 mm (0.8 in)	37 years	56 of 100 (Notable)
21 August 1946	Scaddan Post Office, AU	daily rain	38.4 mm (1.5 in)	24.9 mm (1.0 in)	36 years	55 of 100 (Notable)
21 August 1946	Ilav, IN	daily rain	118.6 mm (4.7 in)	92.7 mm (3.6 in)	32 years	53 of 100 (Notable)
21 August 1946	Winterset 4N, US	daily rain	94.5 mm (3.7 in)	55.6 mm (2.2 in)	28 years	48 of 100 (Notable)
21 August 1946	Sakti, IN	daily rain	176.5 mm (6.9 in)	74.1 mm (2.9 in)	27 years	44 of 100 (Notable)
21 August 1946	Bremen-Seefahrtschule, DE	daily rain	27.4 mm (1.1 in)	10.6 mm (0.4 in)	54 years	40 of 100 (Notable)
21 August 1946	Olpad, IN	daily rain	101.6 mm (4.0 in)	44.4 mm (1.7 in)	43 years	40 of 100 (Notable)
21 August 1946	Pal-Lahara, IN	daily rain	211.8 mm (8.3 in)	72.1 mm (2.8 in)	27 years	40 of 100 (Notable)
21 August 1946	Oakdale, US	daily rain	54.6 mm (2.1 in)	37.3 mm (1.5 in)	3 years	38 of 100 (Notable)
21 August 1946	Guthrie Ctr, US	daily rain	42.2 mm (1.7 in)	27.7 mm (1.1 in)	48 years	35 of 100 (Notable)
21 August 1946	Indianola 1SW, US	daily rain	73.7 mm (2.9 in)	38.4 mm (1.5 in)	28 years	35 of 100 (Notable)
21 August 1946	Bederkesa, DE	daily rain	33.5 mm (1.3 in)	20.1 mm (0.8 in)	5 years	34 of 100 (Routine)
21 August 1946	Winnemucca AP, US	daily high min	20.0 C (68.0 F)	4.4 C (7.9 F)	50 years	34 of 100 (Routine)
21 August 1946	Roxboro 7 ESE, US	daily rain	34.5 mm (1.4 in)	22.1 mm (0.9 in)	50 years	33 of 100 (Routine)
21 August 1946	Udaipur, IN	daily rain	77.2 mm (3.0 in)	36.6 mm (1.4 in)	43 years	32 of 100 (Routine)
21 August 1946	Kiev, UA	daily high max	39.2 C (102.6 F)	4.5 C (8.1 F)	55 years	32 of 100 (Routine)
21 August 1946	Mandvi, IN	daily rain	91.9 mm (3.6 in)	49.7 mm (2.0 in)	16 years	31 of 100 (Routine)
21 August 1946	Audubon, US	daily rain	78.7 mm (3.1 in)	31.5 mm (1.2 in)	24 years	31 of 100 (Routine)
21 August 1946	Elizabeth City, US	monthly rain	115.3 mm (4.5 in)	24.6 mm (1.0 in)	12 years	31 of 100 (Routine)
21 August 1946	Effingham, US	daily rain	66.5 mm (2.6 in)	36.3 mm (1.4 in)	15 years	31 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

1800 to 1946

Records set or tied on this calendar date in each year from 1800 to 1946. 1946 had 390 records.

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

Records on 08-21 in each year
Year	Records
1800	1
1802	1
1804	1
1807	1
1816	1
1818	1
1832	1
1834	1
1839	3
1843	1
1847	1
1849	3
1850	1
1851	2
1863	1
1866	1
1867	2
1870	3
1871	2
1872	1
1873	1
1876	1
1877	2
1879	2
1884	2
1885	5
1886	1
1887	5
1888	2
1889	3
1890	4
1891	2
1893	4
1894	8
1895	3
1896	2
1897	4
1898	4
1899	7
1900	4
1901	9
1902	8
1903	6
1904	8
1905	4
1906	22
1907	20
1908	13
1909	17
1910	33
1911	19
1912	50
1913	37
1914	24
1915	21
1916	106
1917	101
1918	202
1919	19
1920	59
1921	34
1922	58
1923	111
1924	135
1925	220
1926	227
1927	228
1928	110
1929	234
1930	297
1931	277
1932	264
1933	328
1934	320
1935	318
1936	807
1937	762
1938	239
1939	630
1940	683
1941	180
1942	415
1943	438
1944	346
1945	544
1946	390
1947	954
1948	305
1949	508
1950	958
1951	699
1952	368
1953	331
1954	497
1955	885
1956	701
1957	490
1958	389
1959	704
1960	490
1961	644
1962	469
1963	338
1964	794
1965	455
1966	661
1967	541
1968	1,014
1969	650
1970	373
1971	660
1972	441
1973	438
1974	564
1975	545
1976	756
1977	764
1978	445
1979	778
1980	904
1981	1,015
1982	769
1983	1,407
1984	975
1985	623
1986	1,166
1987	740
1988	889
1989	828
1990	910
1991	828
1992	957
1993	698
1994	968
1995	962
1996	950
1997	1,291
1998	948
1999	717
2000	861
2001	797
2002	965
2003	1,241
2004	1,585
2005	1,071
2006	797
2007	1,829
2008	1,012
2009	1,319
2010	1,155
2011	1,022
2012	990
2013	513
2014	624
2015	651
2016	890
2017	347
2018	816
2019	631
2020	1,147
2021	767
2022	917
2023	1,826
2024	777
2025	1,230
2026	1,289

Download the Data

Data for records on 1946-08-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	272
20 to 40	19
40 to 60	7
60 to 80	2
80 to 100	1