Weather Records on 21 August 1943

438 weather records were set or tied worldwide on 21 August 1943. Highest significance: Ambari, IN.

Key Facts for 21 August 1943

On 21 August 1943, 438 weather records were set or tied at long-record stations worldwide.
158 were record highs and 101 were record lows, counting maximum and minimum temperature.
By timescale, 9 were all-time records, 19 monthly and 410 daily.
Ambari set a daily record precipitation of 288.5 mm (11.4 in) on 21 August 1943.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 450 records.

Record Map

438 stations

438 station records on 21 August 1943 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 1943: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ambari	India	Record daily precipitation	288.5 mm (11.4 in)	56 of 100 (Notable)
Port Alfred	South Africa	Record daily precipitation	50.8 mm (2.0 in)	56 of 100 (Notable)
Dhamtari	India	Record daily precipitation	217.9 mm (8.6 in)	52 of 100 (Notable)
Waiopai Rch 256	United States	Record daily precipitation	37.6 mm (1.5 in)	51 of 100 (Notable)
Mariahu	India	Record daily precipitation	115.6 mm (4.6 in)	48 of 100 (Notable)
Gariabund	India	Record daily precipitation	301.0 mm (11.9 in)	47 of 100 (Notable)
Kerakat	India	Record daily precipitation	157.7 mm (6.2 in)	45 of 100 (Notable)
Milan	Italy	Record high minimum temperature	25.0 C (77.0 F)	44 of 100 (Notable)
Butterworth (Tnk)	South Africa	Record daily precipitation	41.9 mm (1.6 in)	44 of 100 (Notable)
Elandshoek, Boston	South Africa	Record daily precipitation	38.6 mm (1.5 in)	44 of 100 (Notable)
Gingindlovu	South Africa	Record daily precipitation	39.1 mm (1.5 in)	44 of 100 (Notable)
Amsterdam (Pol)	South Africa	Record daily precipitation	52.8 mm (2.1 in)	44 of 100 (Notable)
Khapari	India	Record daily precipitation	159.3 mm (6.3 in)	40 of 100 (Notable)
Uluberia	India	Record daily precipitation	105.4 mm (4.1 in)	37 of 100 (Notable)
Ekaterinburg	Russia	Record daily precipitation	31.3 mm (1.2 in)	36 of 100 (Notable)
Machhlisnahr	India	Record daily precipitation	118.9 mm (4.7 in)	35 of 100 (Notable)
Biser	Russia	Record daily precipitation	35.0 mm (1.4 in)	35 of 100 (Notable)
Tortosa - Observatorio del Ebr	Spain	Record daily precipitation	31.9 mm (1.3 in)	35 of 100 (Notable)
Camden 3 W	United States	Record low minimum temperature	13.9 C (57.0 F)	35 of 100 (Notable)
Dharmsala Lower	India	Record daily precipitation	198.1 mm (7.8 in)	32 of 100 (Routine)
Bremen-Seefahrtschule	Germany	Record high maximum temperature	36.0 C (96.8 F)	31 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record high maximum temperature	31.0 C (87.8 F)	31 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record high minimum temperature	20.3 C (68.5 F)	31 of 100 (Routine)
Hawkinsville	United States	Record low minimum temperature	13.3 C (55.9 F)	31 of 100 (Routine)
Jagnathpur	India	Record daily precipitation	99.1 mm (3.9 in)	30 of 100 (Routine)
Durg(Drug)	India	Record daily precipitation	96.0 mm (3.8 in)	30 of 100 (Routine)
Basel Binningen	Switzerland	Record high maximum temperature	38.7 C (101.7 F)	30 of 100 (Routine)
Hallettsville 2 N	United States	Record high minimum temperature	30.0 C (86.0 F)	29 of 100 (Routine)
Mont-Aigoual	France	Record daily precipitation	47.0 mm (1.9 in)	28 of 100 (Routine)
Potsdam	Germany	Record high maximum temperature	37.4 C (99.3 F)	28 of 100 (Routine)
Weissenburg	Germany	Record high maximum temperature	34.8 C (94.6 F)	28 of 100 (Routine)
Barpukhuri	India	Record daily precipitation	86.4 mm (3.4 in)	28 of 100 (Routine)
Dongargarh	India	Record daily precipitation	81.3 mm (3.2 in)	28 of 100 (Routine)
Santa Fe	United States	Record high maximum temperature	31.7 C (89.1 F)	28 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record high maximum temperature	35.7 C (96.3 F)	27 of 100 (Routine)
Pichhore(Dabra)	India	Record daily precipitation	81.3 mm (3.2 in)	27 of 100 (Routine)
Karlsruhe	Germany	Record high maximum temperature	34.9 C (94.8 F)	26 of 100 (Routine)
Arnsberg	Germany	Record high maximum temperature	32.3 C (90.1 F)	26 of 100 (Routine)
Pauri	India	Record daily precipitation	90.2 mm (3.6 in)	26 of 100 (Routine)
Mirzapur	India	Record daily precipitation	151.4 mm (6.0 in)	26 of 100 (Routine)
Lambertina	South Africa	Record daily precipitation	28.2 mm (1.1 in)	26 of 100 (Routine)
Silverton	United States	Record high minimum temperature	12.2 C (54.0 F)	26 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record high maximum temperature	35.4 C (95.7 F)	25 of 100 (Routine)
Holbrook	United States	Record high minimum temperature	22.2 C (72.0 F)	25 of 100 (Routine)
Burlington	United States	Record daily precipitation	30.5 mm (1.2 in)	25 of 100 (Routine)
Ft Stockton 1	United States	Record high minimum temperature	24.4 C (75.9 F)	25 of 100 (Routine)
Altastenberg	Germany	Record high maximum temperature	28.0 C (82.4 F)	24 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high minimum temperature	17.9 C (64.2 F)	24 of 100 (Routine)
Kremsmuenster	Austria	Record high maximum temperature	32.5 C (90.5 F)	23 of 100 (Routine)
Raipur	India	Record daily precipitation	139.7 mm (5.5 in)	23 of 100 (Routine)
Tuskegee	United States	Record low minimum temperature	14.4 C (57.9 F)	23 of 100 (Routine)
Milledgeville	United States	Record low minimum temperature	11.7 C (53.1 F)	23 of 100 (Routine)
Scarsdale	United States	Record high minimum temperature	22.8 C (73.0 F)	23 of 100 (Routine)
Muenster	Germany	Record high maximum temperature	32.8 C (91.0 F)	22 of 100 (Routine)
Aachen	Germany	Record high minimum temperature	23.2 C (73.8 F)	22 of 100 (Routine)
Hvar	Croatia	Record high maximum temperature	36.2 C (97.2 F)	22 of 100 (Routine)
Szeged	Hungary	Record high maximum temperature	38.2 C (100.8 F)	22 of 100 (Routine)
Bushy Vales, Margate	South Africa	Record daily precipitation	32.8 mm (1.3 in)	22 of 100 (Routine)
Tonteldoos	South Africa	Record daily precipitation	31.2 mm (1.2 in)	22 of 100 (Routine)
Troy	United States	Record low minimum temperature	13.9 C (57.0 F)	22 of 100 (Routine)

Counts by Type and Timescale

438 records

Records set or tied on 21 August 1943 by type: Highest daily maximum 105, Lowest daily maximum 35, Highest daily minimum 53, Lowest daily minimum 66, Heaviest daily rainfall 179.

Records on 21 August 1943 by type
Record type	Records
Highest daily maximum	105
Lowest daily maximum	35
Highest daily minimum	53
Lowest daily minimum	66
Heaviest daily rainfall	179
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 1943 by timescale: all-time 9, monthly 19, daily 410.

How Much Records Were Beaten By

362 broken records

Margins by which the 362 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 255.3. Ties are not counted.

Top 20 by Significance

21 August 1943

Top 20 records on 21 August 1943 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 1943	Ambari, IN	daily rain	288.5 mm (11.4 in)	160.5 mm (6.3 in)	41 years	56 of 100 (Notable)
21 August 1943	Port Alfred, ZA	daily rain	50.8 mm (2.0 in)	31.5 mm (1.2 in)	55 years	56 of 100 (Notable)
21 August 1943	Dhamtari, IN	daily rain	217.9 mm (8.6 in)	138.7 mm (5.5 in)	28 years	52 of 100 (Notable)
21 August 1943	Waiopai Rch 256, US	daily rain	37.6 mm (1.5 in)	37.6 mm (1.5 in)	37 years	51 of 100 (Notable)
21 August 1943	Mariahu, IN	daily rain	115.6 mm (4.6 in)	78.3 mm (3.1 in)	13 years	48 of 100 (Notable)
21 August 1943	Gariabund, IN	daily rain	301.0 mm (11.9 in)	255.3 mm (10.1 in)	12 years	47 of 100 (Notable)
21 August 1943	Kerakat, IN	daily rain	157.7 mm (6.2 in)	108.9 mm (4.3 in)	4 years	45 of 100 (Notable)
21 August 1943	Milan, IT	daily high min	25.0 C (77.0 F)	1.2 C (2.2 F)	163 years	44 of 100 (Notable)
21 August 1943	Butterworth (Tnk), ZA	daily rain	41.9 mm (1.6 in)	32.5 mm (1.3 in)	13 years	44 of 100 (Notable)
21 August 1943	Elandshoek, Boston, ZA	daily rain	38.6 mm (1.5 in)	33.0 mm (1.3 in)	13 years	44 of 100 (Notable)
21 August 1943	Gingindlovu, ZA	daily rain	39.1 mm (1.5 in)	32.5 mm (1.3 in)	20 years	44 of 100 (Notable)
21 August 1943	Amsterdam (Pol), ZA	monthly rain	52.8 mm (2.1 in)	20.5 mm (0.8 in)	34 years	44 of 100 (Notable)
21 August 1943	Khapari, IN	daily rain	159.3 mm (6.3 in)	93.3 mm (3.7 in)	20 years	40 of 100 (Notable)
21 August 1943	Uluberia, IN	daily rain	105.4 mm (4.1 in)	76.2 mm (3.0 in)	24 years	37 of 100 (Notable)
21 August 1943	Ekaterinburg, RU	daily rain	31.3 mm (1.2 in)	10.1 mm (0.4 in)	55 years	36 of 100 (Notable)
21 August 1943	Machhlisnahr, IN	daily rain	118.9 mm (4.7 in)	60.2 mm (2.4 in)	14 years	35 of 100 (Notable)
21 August 1943	Biser, RU	daily rain	35.0 mm (1.4 in)	17.5 mm (0.7 in)	28 years	35 of 100 (Notable)
21 August 1943	Tortosa - Observatorio del Ebr, ES	daily rain	31.9 mm (1.3 in)	28.7 mm (1.1 in)	33 years	35 of 100 (Notable)
21 August 1943	Camden 3 W, US	daily low min	13.9 C (57.0 F)	0.2 C (0.4 F)	89 years	35 of 100 (Notable)
21 August 1943	Dharmsala Lower, IN	daily rain	198.1 mm (7.8 in)	94.0 mm (3.7 in)	14 years	32 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 1943

Records set or tied on this calendar date in each year from 1800 to 1943. 1943 had 438 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 1943-08-21: 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 2026-10-14 (14 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 50	351
50 to 100	7
100 to 150	2
150 to 200	1
200 to 250	0
250 to 300	1