Weather Records on 20 April 1956

384 weather records were set or tied worldwide on 20 April 1956. Highest significance: Libode (Bos), ZA.

Key Facts for 20 April 1956

On 20 April 1956, 384 weather records were set or tied at long-record stations worldwide.
38 were record highs and 166 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 383 daily.
Libode (Bos) set a daily record precipitation of 60.0 mm (2.4 in) on 20 April 1956.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 462 records.

Record Map

384 stations

384 station records on 20 April 1956 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 1956: highest significance records shown on the map
Station	Country	Type	Value	Significance
Libode (Bos)	South Africa	Record daily precipitation	60.0 mm (2.4 in)	53 of 100 (Notable)
Vicosa	Brazil	Record daily precipitation	91.3 mm (3.6 in)	46 of 100 (Notable)
Sertania (Alagoa de Baixo)	Brazil	Record daily precipitation	68.1 mm (2.7 in)	44 of 100 (Notable)
Ayton	Australia	Record daily precipitation	143.5 mm (5.6 in)	38 of 100 (Notable)
Langdon Exp Farm	United States	Record snow depth	17.8 cm (7.0 in)	36 of 100 (Notable)
Oenpelli	Australia	Record daily precipitation	44.5 mm (1.8 in)	33 of 100 (Routine)
Santa Cruz	Brazil	Record daily precipitation	49.0 mm (1.9 in)	30 of 100 (Routine)
Aguas Belas	Brazil	Record daily precipitation	30.5 mm (1.2 in)	30 of 100 (Routine)
Plauen	Germany	Record snow depth	10.0 cm (3.9 in)	30 of 100 (Routine)
Astoria	United States	Record high maximum temperature	27.8 C (82.0 F)	30 of 100 (Routine)
Pura Pura	Australia	Record daily precipitation	28.4 mm (1.1 in)	29 of 100 (Routine)
Mornington Island	Australia	Record daily precipitation	38.6 mm (1.5 in)	27 of 100 (Routine)
Marysville (Post Office)	Australia	Record daily precipitation	25.9 mm (1.0 in)	27 of 100 (Routine)
Darlington Wwtp	United States	Record low minimum temperature	-9.4 C (15.1 F)	27 of 100 (Routine)
Aledo	United States	Record low minimum temperature	-4.4 C (24.1 F)	26 of 100 (Routine)
Plymouth Pwr Substn	United States	Record low minimum temperature	-6.1 C (21.0 F)	26 of 100 (Routine)
Winamac 2SSE	United States	Record low minimum temperature	-6.7 C (19.9 F)	26 of 100 (Routine)
Winterset 4N	United States	Record low minimum temperature	-5.0 C (23.0 F)	26 of 100 (Routine)
Arcadia	United States	Record low minimum temperature	6.1 C (43.0 F)	25 of 100 (Routine)
Rockford	United States	Record low minimum temperature	-5.6 C (21.9 F)	25 of 100 (Routine)
Willapa Harbor	United States	Record high maximum temperature	30.0 C (86.0 F)	25 of 100 (Routine)
Ft Myers Page Fld AP	United States	Record low minimum temperature	11.1 C (52.0 F)	25 of 100 (Routine)
Anadia	Brazil	Record daily precipitation	50.4 mm (2.0 in)	24 of 100 (Routine)
Myklebust I Breim	Norway	Record snow depth	38.0 cm (15.0 in)	24 of 100 (Routine)
Lowestoft	United Kingdom	Record low minimum temperature	-1.7 C (28.9 F)	24 of 100 (Routine)
Jacksonville 2E	United States	Record low minimum temperature	-2.8 C (27.0 F)	24 of 100 (Routine)
Grundy Ctr	United States	Record low minimum temperature	-5.0 C (23.0 F)	24 of 100 (Routine)
Oskaloosa	United States	Record low minimum temperature	-3.9 C (25.0 F)	24 of 100 (Routine)
Brodhead Wwtp	United States	Record low minimum temperature	-6.7 C (19.9 F)	24 of 100 (Routine)
West Bend	United States	Record low minimum temperature	-5.0 C (23.0 F)	24 of 100 (Routine)
Springfield Abraham Lincoln Ca	United States	Record low minimum temperature	-2.2 C (28.0 F)	24 of 100 (Routine)
Cowra Ag Research Station	Australia	Record daily precipitation	33.3 mm (1.3 in)	23 of 100 (Routine)
Orillia	Canada	Record low maximum temperature	0.6 C (33.1 F)	23 of 100 (Routine)
Hoopeston	United States	Record low minimum temperature	-4.4 C (24.1 F)	23 of 100 (Routine)
Mt Carroll	United States	Record low minimum temperature	-5.6 C (21.9 F)	23 of 100 (Routine)
W Lafayette 6 NW	United States	Record low minimum temperature	-5.0 C (23.0 F)	23 of 100 (Routine)
Fond du Lac Wwtp	United States	Record low minimum temperature	-7.8 C (18.0 F)	23 of 100 (Routine)
Haliburton A	Canada	Record low maximum temperature	0.6 C (33.1 F)	22 of 100 (Routine)
Petropavlovsk-Kamchatskij	Russia	Record high minimum temperature	0.2 C (32.4 F)	22 of 100 (Routine)
Greensburg	United States	Record low minimum temperature	-5.0 C (23.0 F)	22 of 100 (Routine)
Humboldt 3 W	United States	Record low minimum temperature	-6.1 C (21.0 F)	22 of 100 (Routine)
Sibley	United States	Record low minimum temperature	-7.8 C (18.0 F)	22 of 100 (Routine)
Webster City	United States	Record low minimum temperature	-6.1 C (21.0 F)	22 of 100 (Routine)
Winona	United States	Record low minimum temperature	-3.9 C (25.0 F)	22 of 100 (Routine)
Estacada 2 SE	United States	Record high minimum temperature	11.7 C (53.1 F)	22 of 100 (Routine)
Seymour 3NW	United States	Record low minimum temperature	1.7 C (35.1 F)	22 of 100 (Routine)
Kohala 179.1	United States	Record high minimum temperature	20.6 C (69.1 F)	22 of 100 (Routine)
Matehuala (Smn)	Mexico	Record daily precipitation	34.8 mm (1.4 in)	21 of 100 (Routine)
Audubon	United States	Record low minimum temperature	-5.0 C (23.0 F)	21 of 100 (Routine)
Weslaco	United States	Record low maximum temperature	20.6 C (69.1 F)	21 of 100 (Routine)
Markovo	Russia	Record daily precipitation	6.3 mm (0.25 in)	20 of 100 (Routine)
Lichtentanne	Germany	Record snow depth	4.0 cm (1.6 in)	20 of 100 (Routine)
Zacapu (Smn)	Mexico	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Victoria River Downs	Australia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Portland	Australia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Bad Muskau	Germany	Record snow depth	4.0 cm (1.6 in)	20 of 100 (Routine)
Zwartruggens (Pol)	South Africa	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Fort William	Australia	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Woolsthorpe	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Bruce	Australia	Record daily precipitation	4.3 mm (0.17 in)	20 of 100 (Routine)

Counts by Type and Timescale

384 records

Records set or tied on 20 April 1956 by type: Highest daily maximum 21, Lowest daily maximum 42, Highest daily minimum 17, Lowest daily minimum 124, Heaviest daily rainfall 154, Heaviest daily snowfall 12, Deepest snow cover 14.

Records on 20 April 1956 by type
Record type	Records
Highest daily maximum	21
Lowest daily maximum	42
Highest daily minimum	17
Lowest daily minimum	124
Heaviest daily rainfall	154
Heaviest daily snowfall	12
Deepest snow cover	14

Records on 20 April 1956 by timescale: all-time 0, monthly 1, daily 383.

How Much Records Were Beaten By

302 broken records

Margins by which the 302 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 203.0. Ties are not counted.

Top 20 by Significance

20 April 1956

Top 20 records on 20 April 1956 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 1956	Libode (Bos), ZA	daily rain	60.0 mm (2.4 in)	52.4 mm (2.1 in)	36 years	53 of 100 (Notable)
20 April 1956	Vicosa, BR	daily rain	91.3 mm (3.6 in)	46.1 mm (1.8 in)	18 years	46 of 100 (Notable)
20 April 1956	Sertania (Alagoa de Baixo), BR	daily rain	68.1 mm (2.7 in)	53.9 mm (2.1 in)	22 years	44 of 100 (Notable)
20 April 1956	Ayton, AU	daily rain	143.5 mm (5.6 in)	84.3 mm (3.3 in)	2 years	38 of 100 (Notable)
20 April 1956	Langdon Exp Farm, US	daily snow depth	17.8 cm (7.0 in)	17.8 cm (7.0 in)	49 years	36 of 100 (Notable)
20 April 1956	Oenpelli, AU	daily rain	44.5 mm (1.8 in)	43.7 mm (1.7 in)	15 years	33 of 100 (Routine)
20 April 1956	Santa Cruz, BR	daily rain	49.0 mm (1.9 in)	26.6 mm (1.0 in)	37 years	30 of 100 (Routine)
20 April 1956	Aguas Belas, BR	daily rain	30.5 mm (1.2 in)	18.0 mm (0.7 in)	34 years	30 of 100 (Routine)
20 April 1956	Plauen, DE	daily snow depth	10.0 cm (3.9 in)	4.0 cm (1.6 in)	38 years	30 of 100 (Routine)
20 April 1956	Astoria, US	daily high max	27.8 C (82.0 F)	2.8 C (5.0 F)	50 years	30 of 100 (Routine)
20 April 1956	Pura Pura, AU	daily rain	28.4 mm (1.1 in)	14.9 mm (0.6 in)	8 years	29 of 100 (Routine)
20 April 1956	Mornington Island, AU	daily rain	38.6 mm (1.5 in)	33.3 mm (1.3 in)	34 years	27 of 100 (Routine)
20 April 1956	Marysville (Post Office), AU	daily rain	25.9 mm (1.0 in)	7.9 mm (0.31 in)	49 years	27 of 100 (Routine)
20 April 1956	Darlington Wwtp, US	daily low min	-9.4 C (15.1 F)	3.8 C (6.8 F)	52 years	27 of 100 (Routine)
20 April 1956	Aledo, US	daily low min	-4.4 C (24.1 F)	2.7 C (4.9 F)	55 years	26 of 100 (Routine)
20 April 1956	Plymouth Pwr Substn, US	daily low min	-6.1 C (21.0 F)	3.3 C (5.9 F)	49 years	26 of 100 (Routine)
20 April 1956	Winamac 2SSE, US	daily low min	-6.7 C (19.9 F)	2.3 C (4.1 F)	54 years	26 of 100 (Routine)
20 April 1956	Winterset 4N, US	daily low min	-5.0 C (23.0 F)	1.7 C (3.1 F)	57 years	26 of 100 (Routine)
20 April 1956	Arcadia, US	daily low min	6.1 C (43.0 F)	2.8 C (5.0 F)	46 years	25 of 100 (Routine)
20 April 1956	Rockford, US	daily low min	-5.6 C (21.9 F)	2.3 C (4.1 F)	52 years	25 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 1956

Records set or tied on this calendar date in each year from 1807 to 1956. 1956 had 384 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 1956-04-20: 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	291
50 to 100	8
100 to 150	0
150 to 200	2
200 to 250	1