Weather Records on 30 April 1943

470 weather records were set or tied worldwide on 30 April 1943. Highest significance: Mbabane, SZ.

Key Facts for 30 April 1943

On 30 April 1943, 470 weather records were set or tied at long-record stations worldwide.
241 were record highs and 25 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 66 monthly and 404 daily.
Mbabane set a daily record precipitation of 41.4 mm (1.6 in) on 30 April 1943.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 447 records.

Record Map

470 stations

470 station records on 30 April 1943 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 April 1943: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mbabane	Swaziland	Record daily precipitation	41.4 mm (1.6 in)	54 of 100 (Notable)
Traipu	Brazil	Record daily precipitation	134.5 mm (5.3 in)	53 of 100 (Notable)
De Emigratie	South Africa	Record daily precipitation	36.3 mm (1.4 in)	46 of 100 (Notable)
Woudzicht	South Africa	Record daily precipitation	41.7 mm (1.6 in)	45 of 100 (Notable)
Dillalah	Australia	Record daily precipitation	30.5 mm (1.2 in)	42 of 100 (Notable)
Driefontein	South Africa	Record daily precipitation	31.0 mm (1.2 in)	41 of 100 (Notable)
Amsterdam (Pol)	South Africa	Record daily precipitation	42.4 mm (1.7 in)	40 of 100 (Notable)
Witsieshoek	South Africa	Record daily precipitation	41.9 mm (1.6 in)	39 of 100 (Notable)
Reitz 36	South Africa	Record daily precipitation	32.8 mm (1.3 in)	39 of 100 (Notable)
Buckland Downs	South Africa	Record daily precipitation	27.4 mm (1.1 in)	39 of 100 (Notable)
Kriel (Pol)	South Africa	Record daily precipitation	27.2 mm (1.1 in)	39 of 100 (Notable)
Bronkhorstfontein	South Africa	Record daily precipitation	32.8 mm (1.3 in)	38 of 100 (Notable)
Schoonoord	South Africa	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Nilambur	India	Record daily precipitation	46.7 mm (1.8 in)	37 of 100 (Notable)
Delmas (Pol)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	37 of 100 (Notable)
Tshakhuma	South Africa	Record daily precipitation	57.9 mm (2.3 in)	37 of 100 (Notable)
Mazelspoort Dam	South Africa	Record daily precipitation	31.0 mm (1.2 in)	36 of 100 (Notable)
Sunbaras Sr	India	Record daily precipitation	51.3 mm (2.0 in)	35 of 100 (Notable)
Palani	India	Record daily precipitation	47.2 mm (1.9 in)	35 of 100 (Notable)
Groblersplaas	South Africa	Record daily precipitation	31.2 mm (1.2 in)	35 of 100 (Notable)
Truro Nsac	Canada	Record daily precipitation	48.3 mm (1.9 in)	34 of 100 (Routine)
Leeupoort	South Africa	Record daily precipitation	42.9 mm (1.7 in)	33 of 100 (Routine)
Rietpoort	South Africa	Record daily precipitation	32.0 mm (1.3 in)	32 of 100 (Routine)
Balfour (Mag)	South Africa	Record daily precipitation	27.9 mm (1.1 in)	32 of 100 (Routine)
Sub-Nigel (Gm)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Wilgerivier (Sar)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Wonderfontein (Skl)	South Africa	Record daily precipitation	29.5 mm (1.2 in)	32 of 100 (Routine)
Cedaredge	United States	Record high maximum temperature	29.4 C (84.9 F)	32 of 100 (Routine)
Rpf 206 Mile	Australia	Record daily precipitation	48.3 mm (1.9 in)	31 of 100 (Routine)
Amersfoort (Pol)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	31 of 100 (Routine)
Vlaklaagte	South Africa	Record daily precipitation	38.1 mm (1.5 in)	31 of 100 (Routine)
Scottsboro	United States	Record high maximum temperature	33.3 C (91.9 F)	31 of 100 (Routine)
Vaalbank	South Africa	Record daily precipitation	30.5 mm (1.2 in)	30 of 100 (Routine)
Tonteldoos	South Africa	Record daily precipitation	40.4 mm (1.6 in)	30 of 100 (Routine)
Delta	United States	Record high maximum temperature	33.3 C (91.9 F)	30 of 100 (Routine)
Telluride 4WNW	United States	Record high maximum temperature	23.9 C (75.0 F)	30 of 100 (Routine)
Le Claire	United States	Record daily precipitation	31.0 mm (1.2 in)	30 of 100 (Routine)
Dinhata	India	Record daily precipitation	61.0 mm (2.4 in)	29 of 100 (Routine)
Mathabhanga	India	Record daily precipitation	70.1 mm (2.8 in)	29 of 100 (Routine)
Ficksburg	South Africa	Record daily precipitation	29.0 mm (1.1 in)	29 of 100 (Routine)
Steamboat Springs	United States	Record high maximum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Cedar Rapids 2	United States	Record daily precipitation	28.2 mm (1.1 in)	29 of 100 (Routine)
Chama	United States	Record high maximum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Nieuwejaarsfontein	South Africa	Record daily precipitation	29.0 mm (1.1 in)	28 of 100 (Routine)
Robe Comparison	Australia	Record low minimum temperature	4.4 C (39.9 F)	27 of 100 (Routine)
Vaniyambadi	India	Record daily precipitation	38.9 mm (1.5 in)	27 of 100 (Routine)
Dewetsdorp (Pol)	South Africa	Record daily precipitation	26.7 mm (1.1 in)	27 of 100 (Routine)
Roodepoort	South Africa	Record daily precipitation	27.9 mm (1.1 in)	27 of 100 (Routine)
Middlekop (Bos)	South Africa	Record daily precipitation	76.2 mm (3.0 in)	27 of 100 (Routine)
Collbran	United States	Record high maximum temperature	28.9 C (84.0 F)	27 of 100 (Routine)
Silverton	United States	Record high minimum temperature	11.7 C (53.1 F)	27 of 100 (Routine)
Laurel	United States	Record high maximum temperature	34.4 C (93.9 F)	27 of 100 (Routine)
Snowflake	United States	Record high maximum temperature	33.3 C (91.9 F)	26 of 100 (Routine)
Tucson WFO	United States	Record high maximum temperature	38.9 C (102.0 F)	26 of 100 (Routine)
Manassa	United States	Record high maximum temperature	26.1 C (79.0 F)	26 of 100 (Routine)
Bloomfield 3 SE	United States	Record high minimum temperature	11.1 C (52.0 F)	26 of 100 (Routine)
Gemsbokfontein	South Africa	Record daily precipitation	26.4 mm (1.0 in)	25 of 100 (Routine)
Luna Rs	United States	Record high maximum temperature	30.0 C (86.0 F)	25 of 100 (Routine)
Grand Junction Walker Fld	United States	Record high maximum temperature	30.6 C (87.1 F)	25 of 100 (Routine)
Rietbult	South Africa	Record daily precipitation	32.3 mm (1.3 in)	24 of 100 (Routine)

Counts by Type and Timescale

470 records

Records set or tied on 30 April 1943 by type: Highest daily maximum 186, Lowest daily maximum 5, Highest daily minimum 55, Lowest daily minimum 20, Heaviest daily rainfall 195, Heaviest daily snowfall 5, Deepest snow cover 4.

Records on 30 April 1943 by type
Record type	Records
Highest daily maximum	186
Lowest daily maximum	5
Highest daily minimum	55
Lowest daily minimum	20
Heaviest daily rainfall	195
Heaviest daily snowfall	5
Deepest snow cover	4

Records on 30 April 1943 by timescale: all-time 0, monthly 66, daily 404.

How Much Records Were Beaten By

360 broken records

Margins by which the 360 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 120.0. Ties are not counted.

Top 20 by Significance

30 April 1943

Top 20 records on 30 April 1943 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 April 1943	Mbabane, SZ	daily rain	41.4 mm (1.6 in)	36.6 mm (1.4 in)	34 years	54 of 100 (Notable)
30 April 1943	Traipu, BR	monthly rain	134.5 mm (5.3 in)	48.1 mm (1.9 in)	19 years	53 of 100 (Notable)
30 April 1943	De Emigratie, ZA	daily rain	36.3 mm (1.4 in)	35.3 mm (1.4 in)	20 years	46 of 100 (Notable)
30 April 1943	Woudzicht, ZA	daily rain	41.7 mm (1.6 in)	39.9 mm (1.6 in)	24 years	45 of 100 (Notable)
30 April 1943	Dillalah, AU	daily rain	30.5 mm (1.2 in)	28.2 mm (1.1 in)	34 years	42 of 100 (Notable)
30 April 1943	Driefontein, ZA	daily rain	31.0 mm (1.2 in)	30.7 mm (1.2 in)	18 years	41 of 100 (Notable)
30 April 1943	Amsterdam (Pol), ZA	daily rain	42.4 mm (1.7 in)	32.2 mm (1.3 in)	28 years	40 of 100 (Notable)
30 April 1943	Witsieshoek, ZA	daily rain	41.9 mm (1.6 in)	35.8 mm (1.4 in)	24 years	39 of 100 (Notable)
30 April 1943	Reitz 36, ZA	daily rain	32.8 mm (1.3 in)	31.3 mm (1.2 in)	17 years	39 of 100 (Notable)
30 April 1943	Buckland Downs, ZA	daily rain	27.4 mm (1.1 in)	25.9 mm (1.0 in)	20 years	39 of 100 (Notable)
30 April 1943	Kriel (Pol), ZA	daily rain	27.2 mm (1.1 in)	27.2 mm (1.1 in)	37 years	39 of 100 (Notable)
30 April 1943	Bronkhorstfontein, ZA	daily rain	32.8 mm (1.3 in)	29.8 mm (1.2 in)	1 year	38 of 100 (Notable)
30 April 1943	Schoonoord, ZA	daily rain	27.9 mm (1.1 in)	20.5 mm (0.8 in)	34 years	38 of 100 (Notable)
30 April 1943	Nilambur, IN	daily rain	46.7 mm (1.8 in)	27.6 mm (1.1 in)	36 years	37 of 100 (Notable)
30 April 1943	Delmas (Pol), ZA	daily rain	30.5 mm (1.2 in)	29.0 mm (1.1 in)	18 years	37 of 100 (Notable)
30 April 1943	Tshakhuma, ZA	daily rain	57.9 mm (2.3 in)	54.1 mm (2.1 in)	24 years	37 of 100 (Notable)
30 April 1943	Mazelspoort Dam, ZA	daily rain	31.0 mm (1.2 in)	20.8 mm (0.8 in)	21 years	36 of 100 (Notable)
30 April 1943	Sunbaras Sr, IN	monthly rain	51.3 mm (2.0 in)	13.2 mm (0.5 in)	23 years	35 of 100 (Notable)
30 April 1943	Palani, IN	daily rain	47.2 mm (1.9 in)	39.1 mm (1.5 in)	20 years	35 of 100 (Notable)
30 April 1943	Groblersplaas, ZA	daily rain	31.2 mm (1.2 in)	24.3 mm (1.0 in)	29 years	35 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

1795 to 1943

Records set or tied on this calendar date in each year from 1795 to 1943. 1943 had 470 records.

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

Records on 04-30 in each year
Year	Records
1795	1
1804	1
1809	1
1812	1
1814	2
1833	1
1840	1
1848	1
1850	1
1853	1
1854	1
1856	1
1859	1
1862	1
1864	1
1865	1
1866	3
1872	1
1873	1
1874	2
1876	1
1878	4
1879	2
1880	1
1881	1
1882	1
1884	1
1885	1
1886	5
1888	1
1889	1
1891	5
1892	7
1894	1
1895	5
1896	3
1897	2
1898	6
1899	11
1900	4
1901	8
1902	13
1903	21
1904	11
1905	9
1906	16
1907	35
1908	28
1909	74
1910	17
1911	19
1912	18
1913	62
1914	8
1915	20
1916	21
1917	25
1918	28
1919	130
1920	70
1921	54
1922	138
1923	42
1924	96
1925	210
1926	331
1927	127
1928	130
1929	119
1930	232
1931	548
1932	145
1933	422
1934	443
1935	327
1936	373
1937	228
1938	282
1939	268
1940	526
1941	484
1942	1,163
1943	470
1944	286
1945	314
1946	301
1947	330
1948	912
1949	447
1950	671
1951	783
1952	435
1953	635
1954	1,224
1955	1,252
1956	908
1957	401
1958	482
1959	575
1960	507
1961	381
1962	617
1963	730
1964	339
1965	488
1966	740
1967	914
1968	928
1969	587
1970	1,189
1971	365
1972	497
1973	398
1974	822
1975	468
1976	783
1977	525
1978	631
1979	675
1980	545
1981	1,342
1982	504
1983	1,154
1984	1,519
1985	650
1986	660
1987	1,437
1988	808
1989	674
1990	977
1991	828
1992	1,808
1993	765
1994	1,499
1995	1,007
1996	1,637
1997	764
1998	857
1999	1,012
2000	1,046
2001	900
2002	1,171
2003	927
2004	703
2005	1,113
2006	778
2007	996
2008	1,260
2009	660
2010	921
2011	636
2012	819
2013	732
2014	946
2015	380
2016	969
2017	1,450
2018	708
2019	700
2020	1,476
2021	1,167
2022	499
2023	782
2024	705
2025	489
2026	365

Download the Data

Data for records on 1943-04-30: 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	310
20 to 40	47
40 to 60	2
60 to 80	0
80 to 100	0
100 to 120	1