Weather Records on 20 April 1975

344 weather records were set or tied worldwide on 20 April 1975. Highest significance: Venterstad, ZA.

Key Facts for 20 April 1975

On 20 April 1975, 344 weather records were set or tied at long-record stations worldwide.
97 were record highs and 94 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 332 daily.
Venterstad set a daily record precipitation of 42.0 mm (1.7 in) on 20 April 1975.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 463 records.

Record Map

344 stations

344 station records on 20 April 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Venterstad	South Africa	Record daily precipitation	42.0 mm (1.7 in)	61 of 100 (Major)
Tanguj	Russia	Record daily precipitation	34.4 mm (1.4 in)	58 of 100 (Notable)
Zhytomyr	Ukraine	Record daily precipitation	27.4 mm (1.1 in)	44 of 100 (Notable)
Bruthen (Post Office)	Australia	Record daily precipitation	68.2 mm (2.7 in)	40 of 100 (Notable)
Salgadalia	Brazil	Record daily precipitation	42.6 mm (1.7 in)	35 of 100 (Notable)
Wagner (Itacira)	Brazil	Record daily precipitation	40.4 mm (1.6 in)	34 of 100 (Routine)
Denton	United States	Record snow depth	30.5 cm (12.0 in)	34 of 100 (Routine)
Vazantes	Brazil	Record daily precipitation	44.0 mm (1.7 in)	32 of 100 (Routine)
Huelva	Spain	Record daily precipitation	33.9 mm (1.3 in)	31 of 100 (Routine)
De Funiak Springs 1 E	United States	Record daily precipitation	78.2 mm (3.1 in)	31 of 100 (Routine)
Mana 1026	United States	Record high maximum temperature	30.6 C (87.1 F)	31 of 100 (Routine)
Impendle (Pol)	South Africa	Record daily precipitation	31.0 mm (1.2 in)	30 of 100 (Routine)
Wallaceton-Lake Drummond	United States	Record daily precipitation	34.3 mm (1.4 in)	30 of 100 (Routine)
Kenai AP	United States	Record low minimum temperature	-16.7 C (1.9 F)	29 of 100 (Routine)
Butchers Ridge	Australia	Record daily precipitation	44.0 mm (1.7 in)	28 of 100 (Routine)
Valencia Creek	Australia	Record daily precipitation	31.0 mm (1.2 in)	27 of 100 (Routine)
Basel Binningen	Switzerland	Record high minimum temperature	11.0 C (51.8 F)	27 of 100 (Routine)
Amasia	Armenia	Record daily precipitation	25.3 mm (1.0 in)	26 of 100 (Routine)
Carcross	Canada	Record low maximum temperature	0.6 C (33.1 F)	26 of 100 (Routine)
Kamennaja-Step	Russia	Record high maximum temperature	25.8 C (78.4 F)	26 of 100 (Routine)
Sahbuz	Azerbaijan	Record daily precipitation	31.0 mm (1.2 in)	25 of 100 (Routine)
Paupong Station	Australia	Record daily precipitation	31.0 mm (1.2 in)	25 of 100 (Routine)
Tlachichuca	Mexico	Record high maximum temperature	31.7 C (89.1 F)	25 of 100 (Routine)
Cedral	Mexico	Record high maximum temperature	35.6 C (96.1 F)	25 of 100 (Routine)
Kon-Kolodez	Russia	Record high maximum temperature	25.7 C (78.3 F)	25 of 100 (Routine)
Artesia 6S	United States	Record low minimum temperature	-1.7 C (28.9 F)	25 of 100 (Routine)
Chara	Russia	Record high maximum temperature	17.6 C (63.7 F)	23 of 100 (Routine)
Glenmaggie Weir	Australia	Record daily precipitation	26.0 mm (1.0 in)	22 of 100 (Routine)
Lindenow	Australia	Record daily precipitation	69.6 mm (2.7 in)	22 of 100 (Routine)
Nitchequon	Canada	Record daily snowfall	11.9 cm (4.7 in)	22 of 100 (Routine)
San Bartolo	Mexico	Record high minimum temperature	22.8 C (73.0 F)	22 of 100 (Routine)
Kent	United States	Record low minimum temperature	-6.1 C (21.0 F)	22 of 100 (Routine)
Nicholson (Yendalock)	Australia	Record daily precipitation	58.0 mm (2.3 in)	21 of 100 (Routine)
Sumidouro-Usina Sao Jorge	Brazil	Record daily precipitation	46.2 mm (1.8 in)	21 of 100 (Routine)
Strasbourg-Entzheim	France	Record high minimum temperature	11.0 C (51.8 F)	21 of 100 (Routine)
Atyrau	Kazakhstan	Record high maximum temperature	27.1 C (80.8 F)	21 of 100 (Routine)
Tonala (Smn)	Mexico	Record high maximum temperature	40.0 C (104.0 F)	21 of 100 (Routine)
Teziutlan	Mexico	Record low maximum temperature	13.9 C (57.0 F)	21 of 100 (Routine)
Ulan-Ude	Russia	Record high minimum temperature	6.4 C (43.5 F)	21 of 100 (Routine)
Pinsk	Belarus	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Tulun	Russia	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Kovel'	Ukraine	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Rubcovsk	Russia	Record daily precipitation	15.6 mm (0.6 in)	20 of 100 (Routine)
Yerevan	Armenia	Record daily precipitation	19.4 mm (0.8 in)	20 of 100 (Routine)
Shurabad	Armenia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Armavir	Armenia	Record daily precipitation	12.9 mm (0.5 in)	20 of 100 (Routine)
Julfa	Azerbaijan	Record daily precipitation	22.3 mm (0.9 in)	20 of 100 (Routine)
Cooma (Kiaora)	Australia	Record daily precipitation	21.0 mm (0.8 in)	20 of 100 (Routine)
Dalton Post Office	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Pine Ridge (Windy)	Australia	Record daily precipitation	18.6 mm (0.7 in)	20 of 100 (Routine)
East Sale Airport	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Zhitckovichi	Belarus	Record daily precipitation	13.3 mm (0.5 in)	20 of 100 (Routine)
Isfjord Radio	Norway	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Kezma	Russia	Record daily precipitation	6.6 mm (0.26 in)	20 of 100 (Routine)
Lermontovo	Armenia	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Lillydale	South Africa	Record daily precipitation	21.0 mm (0.8 in)	20 of 100 (Routine)
Lviv	Ukraine	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Ternopil	Ukraine	Record daily precipitation	14.1 mm (0.6 in)	20 of 100 (Routine)
Tonti (Bos)	South Africa	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Shaartuz	Tajikistan	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)

Counts by Type and Timescale

344 records

Records set or tied on 20 April 1975 by type: Highest daily maximum 54, Lowest daily maximum 41, Highest daily minimum 43, Lowest daily minimum 53, Heaviest daily rainfall 131, Heaviest daily snowfall 9, Deepest snow cover 13.

Records on 20 April 1975 by type
Record type	Records
Highest daily maximum	54
Lowest daily maximum	41
Highest daily minimum	43
Lowest daily minimum	53
Heaviest daily rainfall	131
Heaviest daily snowfall	9
Deepest snow cover	13

Records on 20 April 1975 by timescale: all-time 0, monthly 12, daily 332.

How Much Records Were Beaten By

272 broken records

Margins by which the 272 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 381.0. Ties are not counted.

Top 20 by Significance

20 April 1975

Top 20 records on 20 April 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 1975	Venterstad, ZA	daily rain	42.0 mm (1.7 in)	24.0 mm (0.9 in)	83 years	61 of 100 (Major)
20 April 1975	Tanguj, RU	monthly rain	34.4 mm (1.4 in)	17.5 mm (0.7 in)	15 years	58 of 100 (Notable)
20 April 1975	Zhytomyr, UA	daily rain	27.4 mm (1.1 in)	13.4 mm (0.5 in)	21 years	44 of 100 (Notable)
20 April 1975	Bruthen (Post Office), AU	daily rain	68.2 mm (2.7 in)	22.5 mm (0.9 in)	40 years	40 of 100 (Notable)
20 April 1975	Salgadalia, BR	daily rain	42.6 mm (1.7 in)	27.9 mm (1.1 in)	24 years	35 of 100 (Notable)
20 April 1975	Wagner (Itacira), BR	daily rain	40.4 mm (1.6 in)	27.5 mm (1.1 in)	24 years	34 of 100 (Routine)
20 April 1975	Denton, US	daily snow depth	30.5 cm (12.0 in)	28.0 cm (11.0 in)	8 years	34 of 100 (Routine)
20 April 1975	Vazantes, BR	daily rain	44.0 mm (1.7 in)	28.2 mm (1.1 in)	28 years	32 of 100 (Routine)
20 April 1975	Huelva, ES	daily rain	33.9 mm (1.3 in)	16.1 mm (0.6 in)	21 years	31 of 100 (Routine)
20 April 1975	De Funiak Springs 1 E, US	daily rain	78.2 mm (3.1 in)	12.2 mm (0.5 in)	62 years	31 of 100 (Routine)
20 April 1975	Mana 1026, US	daily high max	30.6 C (87.1 F)	0.6 C (1.1 F)	69 years	31 of 100 (Routine)
20 April 1975	Impendle (Pol), ZA	daily rain	31.0 mm (1.2 in)	22.5 mm (0.9 in)	13 years	30 of 100 (Routine)
20 April 1975	Wallaceton-Lake Drummond, US	daily rain	34.3 mm (1.4 in)	16.8 mm (0.7 in)	41 years	30 of 100 (Routine)
20 April 1975	Kenai AP, US	daily low min	-16.7 C (1.9 F)	7.3 C (13.1 F)	26 years	29 of 100 (Routine)
20 April 1975	Butchers Ridge, AU	daily rain	44.0 mm (1.7 in)	15.3 mm (0.6 in)	40 years	28 of 100 (Routine)
20 April 1975	Valencia Creek, AU	daily rain	31.0 mm (1.2 in)	14.5 mm (0.6 in)	25 years	27 of 100 (Routine)
20 April 1975	Basel Binningen, CH	daily high min	11.0 C (51.8 F)	0.5 C (0.9 F)	65 years	27 of 100 (Routine)
20 April 1975	Amasia, AM	daily rain	25.3 mm (1.0 in)	9.7 mm (0.38 in)	21 years	26 of 100 (Routine)
20 April 1975	Carcross, CA	daily low max	0.6 C (33.1 F)	0.5 C (0.9 F)	64 years	26 of 100 (Routine)
20 April 1975	Kamennaja-Step, RU	daily high max	25.8 C (78.4 F)	2.0 C (3.6 F)	54 years	26 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

1807 to 1975

Records set or tied on this calendar date in each year from 1807 to 1975. 1975 had 344 records.

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

Records on 04-20 in each year
Year	Records
1807	3
1817	1
1838	1
1849	2
1851	1
1852	4
1854	1
1858	1
1860	1
1864	1
1865	3
1868	1
1869	1
1870	1
1872	1
1874	3
1875	4
1876	1
1878	2
1880	2
1881	2
1884	1
1885	1
1886	2
1889	1
1891	2
1892	1
1893	6
1894	8
1895	7
1896	3
1897	6
1898	1
1899	1
1901	8
1902	3
1903	14
1904	31
1905	9
1906	12
1907	18
1908	14
1909	22
1910	25
1911	18
1912	12
1913	19
1914	46
1915	45
1916	19
1917	33
1918	42
1919	17
1920	49
1921	27
1922	40
1923	157
1924	113
1925	169
1926	310
1927	442
1928	212
1929	182
1930	87
1931	255
1932	166
1933	279
1934	384
1935	384
1936	311
1937	427
1938	339
1939	158
1940	519
1941	558
1942	223
1943	670
1944	304
1945	391
1946	395
1947	308
1948	493
1949	477
1950	329
1951	690
1952	552
1953	1,071
1954	377
1955	623
1956	384
1957	730
1958	327
1959	563
1960	472
1961	1,078
1962	487
1963	595
1964	749
1965	724
1966	1,174
1967	864
1968	975
1969	382
1970	948
1971	765
1972	531
1973	982
1974	673
1975	344
1976	661
1977	693
1978	800
1979	495
1980	1,539
1981	706
1982	906
1983	1,844
1984	922
1985	1,140
1986	770
1987	1,447
1988	1,144
1989	1,187
1990	1,495
1991	1,075
1992	1,009
1993	772
1994	756
1995	1,351
1996	970
1997	833
1998	1,490
1999	674
2000	931
2001	752
2002	1,081
2003	758
2004	567
2005	707
2006	859
2007	582
2008	1,110
2009	845
2010	693
2011	1,477
2012	726
2013	1,520
2014	384
2015	702
2016	650
2017	734
2018	1,309
2019	1,019
2020	449
2021	1,215
2022	596
2023	828
2024	673
2025	836
2026	533

Download the Data

Data for records on 1975-04-20: 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 50	263
50 to 100	3
100 to 150	0
150 to 200	2
200 to 250	1
250 to 300	1
300 to 350	0
350 to 400	2