Weather Records on 30 April 1959

575 weather records were set or tied worldwide on 30 April 1959. Highest significance: Keilands, ZA.

Key Facts for 30 April 1959

On 30 April 1959, 575 weather records were set or tied at long-record stations worldwide.
354 were record highs and 28 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 42 monthly and 533 daily.
Keilands set a daily record precipitation of 40.0 mm (1.6 in) on 30 April 1959.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 446 records.

Record Map

575 stations

575 station records on 30 April 1959 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 April 1959: highest significance records shown on the map
Station	Country	Type	Value	Significance
Keilands	South Africa	Record daily precipitation	40.0 mm (1.6 in)	60 of 100 (Major)
Anatone	United States	Record daily precipitation	38.6 mm (1.5 in)	51 of 100 (Notable)
Diablo Dam	United States	Record daily precipitation	78.0 mm (3.1 in)	48 of 100 (Notable)
Clarens (Pol)	South Africa	Record daily precipitation	50.0 mm (2.0 in)	47 of 100 (Notable)
Welverdiend (Pol)	South Africa	Record daily precipitation	37.0 mm (1.5 in)	46 of 100 (Notable)
Ciudad Hidalgo (Smn)	Mexico	Record daily precipitation	31.2 mm (1.2 in)	45 of 100 (Notable)
Victoria Sugar Mill	Australia	Record daily precipitation	85.3 mm (3.4 in)	43 of 100 (Notable)
Strasbourg-Entzheim	France	Record daily precipitation	26.6 mm (1.0 in)	43 of 100 (Notable)
Ljubljana Bezigrad	Slovenia	Record daily precipitation	60.7 mm (2.4 in)	43 of 100 (Notable)
Milan	Italy	Record daily precipitation	62.6 mm (2.5 in)	41 of 100 (Notable)
Basel Binningen	Switzerland	Record daily precipitation	31.6 mm (1.2 in)	40 of 100 (Notable)
Fanning River Station	Australia	Record daily precipitation	25.1 mm (1.0 in)	39 of 100 (Notable)
Wistaria	Canada	Record daily snowfall	11.7 cm (4.6 in)	39 of 100 (Notable)
Loerie (Sar)	South Africa	Record daily precipitation	51.5 mm (2.0 in)	39 of 100 (Notable)
Funnystone	South Africa	Record daily precipitation	45.0 mm (1.8 in)	39 of 100 (Notable)
De Rust (Pol)	South Africa	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Kamferskraal	South Africa	Record daily precipitation	26.0 mm (1.0 in)	38 of 100 (Notable)
Karlsruhe	Germany	Record daily precipitation	26.3 mm (1.0 in)	37 of 100 (Notable)
Trafalgar Station	Australia	Record daily precipitation	55.9 mm (2.2 in)	36 of 100 (Notable)
Orovada 3 W	United States	Record high minimum temperature	14.4 C (57.9 F)	35 of 100 (Notable)
Ely AP	United States	Record high maximum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Bad-Neunkirchen Mergentheim	Germany	Record daily precipitation	34.8 mm (1.4 in)	34 of 100 (Routine)
Ocampo	Mexico	Record low minimum temperature	0.6 C (33.1 F)	34 of 100 (Routine)
Boontjieskraal	South Africa	Record daily precipitation	29.6 mm (1.2 in)	34 of 100 (Routine)
Brakpan	South Africa	Record daily precipitation	25.0 mm (1.0 in)	33 of 100 (Routine)
Aberdeen 20NNE	United States	Record daily precipitation	83.1 mm (3.3 in)	33 of 100 (Routine)
Bremerton	United States	Record daily precipitation	51.3 mm (2.0 in)	33 of 100 (Routine)
Nurnberg	Germany	Record high minimum temperature	10.6 C (51.1 F)	31 of 100 (Routine)
Strehla	South Africa	Record daily precipitation	27.0 mm (1.1 in)	30 of 100 (Routine)
Yerevan	Armenia	Record high minimum temperature	15.1 C (59.2 F)	29 of 100 (Routine)
Blackall Township	Australia	Record daily precipitation	51.3 mm (2.0 in)	29 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record high maximum temperature	19.6 C (67.3 F)	29 of 100 (Routine)
Waaipoort	South Africa	Record daily precipitation	55.0 mm (2.2 in)	29 of 100 (Routine)
Chico UNIV Farm	United States	Record high minimum temperature	16.7 C (62.1 F)	29 of 100 (Routine)
Pioche	United States	Record high minimum temperature	7.8 C (46.0 F)	29 of 100 (Routine)
Republic	United States	Record high minimum temperature	8.9 C (48.0 F)	29 of 100 (Routine)
Arrilalah Telegraph Off	Australia	Record daily precipitation	47.0 mm (1.9 in)	28 of 100 (Routine)
Blagovescensk	Russia	Record high minimum temperature	11.1 C (52.0 F)	28 of 100 (Routine)
De Sabla	United States	Record high minimum temperature	12.8 C (55.0 F)	28 of 100 (Routine)
Paint Rock	United States	Record daily precipitation	51.6 mm (2.0 in)	28 of 100 (Routine)
Alton	United States	Record high maximum temperature	25.6 C (78.1 F)	28 of 100 (Routine)
Halifax Macrossan St	Australia	Record daily precipitation	57.2 mm (2.3 in)	27 of 100 (Routine)
Saltern Post Office	Australia	Record daily precipitation	55.9 mm (2.2 in)	27 of 100 (Routine)
Vanderhoof	Canada	Record daily snowfall	10.2 cm (4.0 in)	27 of 100 (Routine)
Mistassini Post	Canada	Record daily precipitation	27.4 mm (1.1 in)	27 of 100 (Routine)
Timovskoe	Russia	Record high maximum temperature	19.7 C (67.5 F)	27 of 100 (Routine)
Poronajsk	Russia	Record high maximum temperature	19.2 C (66.6 F)	27 of 100 (Routine)
Jamestown	South Africa	Record daily precipitation	30.5 mm (1.2 in)	27 of 100 (Routine)
Jonkersdam	South Africa	Record daily precipitation	25.0 mm (1.0 in)	27 of 100 (Routine)
Indio Fire STN	United States	Record high minimum temperature	22.2 C (72.0 F)	27 of 100 (Routine)
Nevada City	United States	Record high minimum temperature	9.4 C (48.9 F)	27 of 100 (Routine)
Sierraville Rs	United States	Record high minimum temperature	6.1 C (43.0 F)	27 of 100 (Routine)
Lorne Peak	Australia	Record daily precipitation	54.6 mm (2.1 in)	26 of 100 (Routine)
Dhubri	India	Record daily precipitation	95.5 mm (3.8 in)	26 of 100 (Routine)
Buffelsklip	South Africa	Record daily precipitation	43.1 mm (1.7 in)	26 of 100 (Routine)
Winkelman 6 S	United States	Record high maximum temperature	36.1 C (97.0 F)	26 of 100 (Routine)
Bowie	United States	Record high maximum temperature	35.0 C (95.0 F)	26 of 100 (Routine)
Barcaldine Post Office	Australia	Record daily precipitation	39.4 mm (1.6 in)	25 of 100 (Routine)
Freiburg	Germany	Record daily precipitation	26.5 mm (1.0 in)	25 of 100 (Routine)
Sovetskaja Gavan	Russia	Record high maximum temperature	23.9 C (75.0 F)	25 of 100 (Routine)

Counts by Type and Timescale

575 records

Records set or tied on 30 April 1959 by type: Highest daily maximum 196, Lowest daily maximum 18, Highest daily minimum 158, Lowest daily minimum 10, Heaviest daily rainfall 188, Heaviest daily snowfall 5.

Records on 30 April 1959 by type
Record type	Records
Highest daily maximum	196
Lowest daily maximum	18
Highest daily minimum	158
Lowest daily minimum	10
Heaviest daily rainfall	188
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 30 April 1959 by timescale: all-time 0, monthly 42, daily 533.

How Much Records Were Beaten By

433 broken records

Margins by which the 433 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 89.0. Ties are not counted.

Top 20 by Significance

30 April 1959

Top 20 records on 30 April 1959 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 April 1959	Keilands, ZA	daily rain	40.0 mm (1.6 in)	33.1 mm (1.3 in)	60 years	60 of 100 (Major)
30 April 1959	Anatone, US	daily rain	38.6 mm (1.5 in)	20.1 mm (0.8 in)	44 years	51 of 100 (Notable)
30 April 1959	Diablo Dam, US	daily rain	78.0 mm (3.1 in)	67.1 mm (2.6 in)	13 years	48 of 100 (Notable)
30 April 1959	Clarens (Pol), ZA	daily rain	50.0 mm (2.0 in)	42.4 mm (1.7 in)	33 years	47 of 100 (Notable)
30 April 1959	Welverdiend (Pol), ZA	daily rain	37.0 mm (1.5 in)	28.9 mm (1.1 in)	33 years	46 of 100 (Notable)
30 April 1959	Ciudad Hidalgo (Smn), MX	daily rain	31.2 mm (1.2 in)	24.8 mm (1.0 in)	32 years	45 of 100 (Notable)
30 April 1959	Victoria Sugar Mill, AU	daily rain	85.3 mm (3.4 in)	61.4 mm (2.4 in)	38 years	43 of 100 (Notable)
30 April 1959	Strasbourg-Entzheim, FR	daily rain	26.6 mm (1.0 in)	12.6 mm (0.5 in)	32 years	43 of 100 (Notable)
30 April 1959	Ljubljana Bezigrad, SI	daily rain	60.7 mm (2.4 in)	26.5 mm (1.0 in)	33 years	43 of 100 (Notable)
30 April 1959	Milan, IT	daily rain	62.6 mm (2.5 in)	17.9 mm (0.7 in)	46 years	41 of 100 (Notable)
30 April 1959	Basel Binningen, CH	daily rain	31.6 mm (1.2 in)	16.0 mm (0.6 in)	9 years	40 of 100 (Notable)
30 April 1959	Fanning River Station, AU	daily rain	25.1 mm (1.0 in)	23.6 mm (0.9 in)	68 years	39 of 100 (Notable)
30 April 1959	Wistaria, CA	daily snowfall	11.7 cm (4.6 in)	8.9 cm (3.5 in)	21 years	39 of 100 (Notable)
30 April 1959	Loerie (Sar), ZA	daily rain	51.5 mm (2.0 in)	34.7 mm (1.4 in)	30 years	39 of 100 (Notable)
30 April 1959	Funnystone, ZA	daily rain	45.0 mm (1.8 in)	40.7 mm (1.6 in)	16 years	39 of 100 (Notable)
30 April 1959	De Rust (Pol), ZA	daily rain	33.0 mm (1.3 in)	20.3 mm (0.8 in)	22 years	38 of 100 (Notable)
30 April 1959	Kamferskraal, ZA	daily rain	26.0 mm (1.0 in)	19.4 mm (0.8 in)	34 years	38 of 100 (Notable)
30 April 1959	Karlsruhe, DE	daily rain	26.3 mm (1.0 in)	6.7 mm (0.26 in)	61 years	37 of 100 (Notable)
30 April 1959	Trafalgar Station, AU	daily rain	55.9 mm (2.2 in)	33.0 mm (1.3 in)	38 years	36 of 100 (Notable)
30 April 1959	Orovada 3 W, US	monthly high min	14.4 C (57.9 F)	3.8 C (6.8 F)	43 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 1959

Records set or tied on this calendar date in each year from 1795 to 1959. 1959 had 575 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 1959-04-30: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	402
20 to 40	24
40 to 60	4
60 to 80	2
80 to 100	1