Weather Records on 21 April 1943

481 weather records were set or tied worldwide on 21 April 1943. Highest significance: Bidyadanga, AU.

Key Facts for 21 April 1943

On 21 April 1943, 481 weather records were set or tied at long-record stations worldwide.
93 were record highs and 99 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 471 daily.
Bidyadanga set a daily record precipitation of 128.5 mm (5.1 in) on 21 April 1943.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 462 records.

Record Map

481 stations

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

Weather records on 21 April 1943: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bidyadanga	Australia	Record daily precipitation	128.5 mm (5.1 in)	60 of 100 (Major)
Contest	South Africa	Record daily precipitation	46.0 mm (1.8 in)	54 of 100 (Notable)
Cofimvaba (Tnk)	South Africa	Record daily precipitation	52.6 mm (2.1 in)	53 of 100 (Notable)
Lady Frere (Tnk)	South Africa	Record daily precipitation	47.0 mm (1.9 in)	52 of 100 (Notable)
Sterkstroom (Pol)	South Africa	Record daily precipitation	40.1 mm (1.6 in)	51 of 100 (Notable)
Katberg (Bos)	South Africa	Record daily precipitation	56.1 mm (2.2 in)	50 of 100 (Notable)
Fort Fordyce (Bos)	South Africa	Record daily precipitation	64.5 mm (2.5 in)	49 of 100 (Notable)
Izeleni (Bos)	South Africa	Record daily precipitation	61.5 mm (2.4 in)	48 of 100 (Notable)
Balfour (Pol)	South Africa	Record daily precipitation	58.4 mm (2.3 in)	47 of 100 (Notable)
Fort Cunynghame (Bos)	South Africa	Record daily precipitation	48.8 mm (1.9 in)	47 of 100 (Notable)
Cullendale	South Africa	Record daily precipitation	45.2 mm (1.8 in)	46 of 100 (Notable)
Dohne (Sar)	South Africa	Record daily precipitation	49.5 mm (1.9 in)	46 of 100 (Notable)
Devala	India	Record daily precipitation	63.5 mm (2.5 in)	45 of 100 (Notable)
Bloemfontein Airpor	South Africa	Record daily precipitation	54.6 mm (2.1 in)	45 of 100 (Notable)
Macharla	India	Record daily precipitation	68.1 mm (2.7 in)	44 of 100 (Notable)
Dordrecht - Tnk 14	South Africa	Record daily precipitation	30.0 mm (1.2 in)	44 of 100 (Notable)
Talavadi	India	Record daily precipitation	79.0 mm (3.1 in)	43 of 100 (Notable)
Rocklands	South Africa	Record daily precipitation	38.1 mm (1.5 in)	41 of 100 (Notable)
Keilands	South Africa	Record daily precipitation	44.2 mm (1.7 in)	41 of 100 (Notable)
Palani	India	Record daily precipitation	50.5 mm (2.0 in)	39 of 100 (Notable)
Adelaide (Pol)	South Africa	Record daily precipitation	34.5 mm (1.4 in)	38 of 100 (Notable)
Butterworth (Tnk)	South Africa	Record daily precipitation	46.2 mm (1.8 in)	38 of 100 (Notable)
Queenstown	South Africa	Record daily precipitation	39.6 mm (1.6 in)	38 of 100 (Notable)
Trichur	India	Record daily precipitation	67.1 mm (2.6 in)	37 of 100 (Notable)
Tylden "Tulden"	South Africa	Record daily precipitation	43.4 mm (1.7 in)	36 of 100 (Notable)
Roebuck Plains	Australia	Record daily precipitation	55.6 mm (2.2 in)	34 of 100 (Routine)
Bullfinch	Australia	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
Waratah (Mount Road)	Australia	Record daily precipitation	59.4 mm (2.3 in)	34 of 100 (Routine)
Nagamangala	India	Record daily precipitation	35.1 mm (1.4 in)	34 of 100 (Routine)
Tsomo (Pol)	South Africa	Record daily precipitation	33.0 mm (1.3 in)	34 of 100 (Routine)
Nieu-Bethesda (Pol)	South Africa	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Gingindlovu	South Africa	Record daily precipitation	55.6 mm (2.2 in)	34 of 100 (Routine)
Cherapalaseri	India	Record daily precipitation	79.8 mm (3.1 in)	33 of 100 (Routine)
Borsat	India	Record daily precipitation	59.9 mm (2.4 in)	33 of 100 (Routine)
Coimbatore	India	Record daily precipitation	26.4 mm (1.0 in)	32 of 100 (Routine)
Yardley Chase	South Africa	Record daily precipitation	34.5 mm (1.4 in)	32 of 100 (Routine)
Fort Beaufort	South Africa	Record daily precipitation	43.2 mm (1.7 in)	31 of 100 (Routine)
Emporium 1 E	United States	Record daily precipitation	32.8 mm (1.3 in)	31 of 100 (Routine)
Baziya (Bos)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	30 of 100 (Routine)
Ida	South Africa	Record daily precipitation	31.8 mm (1.3 in)	30 of 100 (Routine)
Loa	United States	Record high minimum temperature	5.6 C (42.1 F)	30 of 100 (Routine)
Mount Sir Samuel	Australia	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
Buxton (Bos)	South Africa	Record daily precipitation	61.0 mm (2.4 in)	29 of 100 (Routine)
Willowvale (Tnk)	South Africa	Record daily precipitation	61.2 mm (2.4 in)	29 of 100 (Routine)
Botanic Gardens - Pmb	South Africa	Record daily precipitation	42.7 mm (1.7 in)	29 of 100 (Routine)
Virajpet	India	Record daily precipitation	68.6 mm (2.7 in)	28 of 100 (Routine)
Gordonville	South Africa	Record daily precipitation	27.7 mm (1.1 in)	28 of 100 (Routine)
Burdekin Shire Council	Australia	Record high maximum temperature	35.0 C (95.0 F)	27 of 100 (Routine)
Renison Bell	Australia	Record daily precipitation	47.8 mm (1.9 in)	27 of 100 (Routine)
Holenarsipur	India	Record daily precipitation	38.1 mm (1.5 in)	27 of 100 (Routine)
Tiruppur	India	Record daily precipitation	39.1 mm (1.5 in)	27 of 100 (Routine)
Huxley	South Africa	Record daily precipitation	52.1 mm (2.1 in)	27 of 100 (Routine)
Periakulam	India	Record daily precipitation	43.9 mm (1.7 in)	26 of 100 (Routine)
Healdsburg	United States	Record high minimum temperature	12.2 C (54.0 F)	26 of 100 (Routine)
Ansonia 2 W	United States	Record daily precipitation	32.8 mm (1.3 in)	26 of 100 (Routine)
Coolgardie Post Office	Australia	Record daily precipitation	29.7 mm (1.2 in)	25 of 100 (Routine)
Zeehan Post Office	Australia	Record daily precipitation	51.8 mm (2.0 in)	25 of 100 (Routine)
Exwell Park	South Africa	Record daily precipitation	37.6 mm (1.5 in)	25 of 100 (Routine)
Buffelsfontein 14	South Africa	Record daily precipitation	30.5 mm (1.2 in)	25 of 100 (Routine)
Milan Exp STN	United States	Record low minimum temperature	-1.7 C (28.9 F)	25 of 100 (Routine)

Counts by Type and Timescale

481 records

Records set or tied on 21 April 1943 by type: Highest daily maximum 30, Lowest daily maximum 30, Highest daily minimum 63, Lowest daily minimum 69, Heaviest daily rainfall 285, Heaviest daily snowfall 1, Deepest snow cover 3.

Records on 21 April 1943 by type
Record type	Records
Highest daily maximum	30
Lowest daily maximum	30
Highest daily minimum	63
Lowest daily minimum	69
Heaviest daily rainfall	285
Heaviest daily snowfall	1
Deepest snow cover	3

Records on 21 April 1943 by timescale: all-time 0, monthly 10, daily 471.

How Much Records Were Beaten By

409 broken records

Margins by which the 409 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 260.0. Ties are not counted.

Top 20 by Significance

21 April 1943

Top 20 records on 21 April 1943 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 April 1943	Bidyadanga, AU	daily rain	128.5 mm (5.1 in)	128.5 mm (5.1 in)	50 years	60 of 100 (Major)
21 April 1943	Contest, ZA	daily rain	46.0 mm (1.8 in)	39.6 mm (1.6 in)	32 years	54 of 100 (Notable)
21 April 1943	Cofimvaba (Tnk), ZA	daily rain	52.6 mm (2.1 in)	46.0 mm (1.8 in)	28 years	53 of 100 (Notable)
21 April 1943	Lady Frere (Tnk), ZA	daily rain	47.0 mm (1.9 in)	36.6 mm (1.4 in)	24 years	52 of 100 (Notable)
21 April 1943	Sterkstroom (Pol), ZA	daily rain	40.1 mm (1.6 in)	26.9 mm (1.1 in)	32 years	51 of 100 (Notable)
21 April 1943	Katberg (Bos), ZA	daily rain	56.1 mm (2.2 in)	29.9 mm (1.2 in)	47 years	50 of 100 (Notable)
21 April 1943	Fort Fordyce (Bos), ZA	daily rain	64.5 mm (2.5 in)	46.7 mm (1.8 in)	17 years	49 of 100 (Notable)
21 April 1943	Izeleni (Bos), ZA	daily rain	61.5 mm (2.4 in)	42.7 mm (1.7 in)	17 years	48 of 100 (Notable)
21 April 1943	Balfour (Pol), ZA	monthly rain	58.4 mm (2.3 in)	15.5 mm (0.6 in)	49 years	47 of 100 (Notable)
21 April 1943	Fort Cunynghame (Bos), ZA	daily rain	48.8 mm (1.9 in)	32.8 mm (1.3 in)	17 years	47 of 100 (Notable)
21 April 1943	Cullendale, ZA	daily rain	45.2 mm (1.8 in)	35.3 mm (1.4 in)	17 years	46 of 100 (Notable)
21 April 1943	Dohne (Sar), ZA	daily rain	49.5 mm (1.9 in)	39.8 mm (1.6 in)	24 years	46 of 100 (Notable)
21 April 1943	Devala, IN	daily rain	63.5 mm (2.5 in)	55.1 mm (2.2 in)	4 years	45 of 100 (Notable)
21 April 1943	Bloemfontein Airpor, ZA	daily rain	54.6 mm (2.1 in)	39.4 mm (1.6 in)	8 years	45 of 100 (Notable)
21 April 1943	Macharla, IN	monthly rain	68.1 mm (2.7 in)	17.3 mm (0.7 in)	40 years	44 of 100 (Notable)
21 April 1943	Dordrecht - Tnk 14, ZA	daily rain	30.0 mm (1.2 in)	19.3 mm (0.8 in)	24 years	44 of 100 (Notable)
21 April 1943	Talavadi, IN	daily rain	79.0 mm (3.1 in)	37.1 mm (1.5 in)	26 years	43 of 100 (Notable)
21 April 1943	Rocklands, ZA	daily rain	38.1 mm (1.5 in)	21.1 mm (0.8 in)	24 years	41 of 100 (Notable)
21 April 1943	Keilands, ZA	daily rain	44.2 mm (1.7 in)	29.2 mm (1.1 in)	9 years	41 of 100 (Notable)
21 April 1943	Palani, IN	daily rain	50.5 mm (2.0 in)	43.1 mm (1.7 in)	26 years	39 of 100 (Notable)

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 1943

Records set or tied on this calendar date in each year from 1793 to 1943. 1943 had 481 records.

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

Records on 04-21 in each year
Year	Records
1793	1
1814	1
1820	1
1838	1
1849	2
1851	1
1852	3
1854	1
1858	3
1861	2
1865	3
1866	1
1868	1
1870	1
1875	4
1876	2
1877	1
1879	3
1880	1
1881	1
1882	1
1884	1
1885	2
1888	1
1890	1
1891	1
1892	1
1893	2
1894	4
1895	1
1897	1
1898	2
1899	2
1900	7
1901	17
1902	7
1903	3
1904	10
1905	18
1906	5
1907	17
1908	25
1909	20
1910	33
1911	9
1912	22
1913	14
1914	220
1915	24
1916	64
1917	48
1918	84
1919	31
1920	85
1921	59
1922	70
1923	223
1924	119
1925	295
1926	148
1927	284
1928	269
1929	193
1930	127
1931	358
1932	304
1933	201
1934	497
1935	266
1936	277
1937	416
1938	295
1939	110
1940	462
1941	306
1942	285
1943	481
1944	261
1945	367
1946	448
1947	459
1948	365
1949	448
1950	529
1951	884
1952	665
1953	640
1954	527
1955	607
1956	497
1957	824
1958	329
1959	505
1960	889
1961	647
1962	319
1963	778
1964	1,125
1965	658
1966	756
1967	903
1968	655
1969	388
1970	728
1971	546
1972	593
1973	1,163
1974	528
1975	360
1976	452
1977	854
1978	735
1979	449
1980	1,934
1981	944
1982	1,075
1983	1,366
1984	1,231
1985	1,245
1986	977
1987	1,290
1988	898
1989	1,557
1990	1,463
1991	1,291
1992	1,763
1993	847
1994	859
1995	1,476
1996	788
1997	964
1998	876
1999	752
2000	921
2001	967
2002	1,312
2003	607
2004	586
2005	693
2006	761
2007	480
2008	1,327
2009	983
2010	805
2011	1,053
2012	687
2013	1,015
2014	393
2015	621
2016	587
2017	797
2018	862
2019	731
2020	397
2021	1,608
2022	433
2023	887
2024	754
2025	506
2026	853

Download the Data

Data for records on 1943-04-21: 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 2026-10-16 (16 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 50	403
50 to 100	4
100 to 150	1
150 to 200	0
200 to 250	0
250 to 300	1