Weather Records on 18 April 1956

467 weather records were set or tied worldwide on 18 April 1956. Highest significance: Carnarvon (Pol), ZA.

Key Facts for 18 April 1956

On 18 April 1956, 467 weather records were set or tied at long-record stations worldwide.
37 were record highs and 202 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 466 daily.
Carnarvon (Pol) set a daily record precipitation of 51.4 mm (2.0 in) on 18 April 1956.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 467 records.

Record Map

467 stations

467 station records on 18 April 1956 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 1956: highest significance records shown on the map
Station	Country	Type	Value	Significance
Carnarvon (Pol)	South Africa	Record daily precipitation	51.4 mm (2.0 in)	52 of 100 (Notable)
Langdon Exp Farm	United States	Record snow depth	27.9 cm (11.0 in)	46 of 100 (Notable)
West Quarter	Australia	Record daily precipitation	40.6 mm (1.6 in)	43 of 100 (Notable)
Stamford Station	Australia	Record daily precipitation	75.2 mm (3.0 in)	42 of 100 (Notable)
Mount Isa Post Office	Australia	Record daily precipitation	55.4 mm (2.2 in)	38 of 100 (Notable)
Canning Downs	Australia	Record daily precipitation	31.8 mm (1.3 in)	38 of 100 (Notable)
Emu Creek	Australia	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Selwyn Wrc	Australia	Record daily precipitation	35.6 mm (1.4 in)	35 of 100 (Notable)
Malboona	Australia	Record daily precipitation	25.7 mm (1.0 in)	34 of 100 (Routine)
Balgownie West	Australia	Record daily precipitation	38.6 mm (1.5 in)	34 of 100 (Routine)
Bucyrus	United States	Record daily snowfall	5.1 cm (2.0 in)	34 of 100 (Routine)
Salida	United States	Record daily snowfall	11.4 cm (4.5 in)	33 of 100 (Routine)
Lyndoch (Pewsey Vale)	Australia	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
University of Queensland Gatto	Australia	Record daily precipitation	54.1 mm (2.1 in)	32 of 100 (Routine)
Glenelg	Australia	Record daily precipitation	27.9 mm (1.1 in)	32 of 100 (Routine)
Brantford	Canada	Record low maximum temperature	3.3 C (37.9 F)	32 of 100 (Routine)
Putbus	Germany	Record low maximum temperature	3.5 C (38.3 F)	32 of 100 (Routine)
Tannymorel	Australia	Record daily precipitation	35.6 mm (1.4 in)	31 of 100 (Routine)
Borroloola	Australia	Record daily precipitation	34.3 mm (1.4 in)	30 of 100 (Routine)
Frostburg	United States	Record daily snowfall	6.4 cm (2.5 in)	30 of 100 (Routine)
Pearl	United States	Record low maximum temperature	13.3 C (55.9 F)	30 of 100 (Routine)
Hermitage	Australia	Record daily precipitation	31.0 mm (1.2 in)	29 of 100 (Routine)
Renison Bell	Australia	Record daily precipitation	54.9 mm (2.2 in)	29 of 100 (Routine)
Plauen	Germany	Record low maximum temperature	0.7 C (33.3 F)	29 of 100 (Routine)
Gorlitz	Germany	Record low maximum temperature	2.5 C (36.5 F)	28 of 100 (Routine)
Mkambati	South Africa	Record daily precipitation	50.5 mm (2.0 in)	27 of 100 (Routine)
Jokkmokk	Sweden	Record low minimum temperature	-20.0 C (-4.0 F)	27 of 100 (Routine)
Seminole	United States	Record low maximum temperature	12.2 C (54.0 F)	27 of 100 (Routine)
Moorefield 1 SSE	United States	Record low maximum temperature	8.3 C (46.9 F)	27 of 100 (Routine)
Kukuiula 935	United States	Record daily precipitation	49.5 mm (1.9 in)	27 of 100 (Routine)
Western Creek	Australia	Record daily precipitation	25.7 mm (1.0 in)	26 of 100 (Routine)
Barrie	Canada	Record low maximum temperature	1.7 C (35.1 F)	26 of 100 (Routine)
Cooperstown	United States	Record daily snowfall	5.1 cm (2.0 in)	26 of 100 (Routine)
Glenville	United States	Record low maximum temperature	7.2 C (45.0 F)	26 of 100 (Routine)
Pratten	Australia	Record daily precipitation	36.3 mm (1.4 in)	25 of 100 (Routine)
Old Koreelah (White Swamp (Ede	Australia	Record daily precipitation	41.1 mm (1.6 in)	25 of 100 (Routine)
Enisejsk	Russia	Record low minimum temperature	-18.8 C (-1.8 F)	25 of 100 (Routine)
Feodosiia	Ukraine	Record high maximum temperature	23.0 C (73.4 F)	25 of 100 (Routine)
Wells	United States	Record high minimum temperature	3.3 C (37.9 F)	24 of 100 (Routine)
Philo 3 SW	United States	Record low maximum temperature	5.0 C (41.0 F)	24 of 100 (Routine)
Malvern	United States	Record low minimum temperature	2.8 C (37.0 F)	23 of 100 (Routine)
Rocky Mt	United States	Record low minimum temperature	-2.8 C (27.0 F)	23 of 100 (Routine)
Buckhannon	United States	Record low maximum temperature	4.4 C (39.9 F)	23 of 100 (Routine)
Emerald Post Office	Australia	Record high minimum temperature	21.7 C (71.1 F)	22 of 100 (Routine)
Myra	Australia	Record daily precipitation	30.5 mm (1.2 in)	22 of 100 (Routine)
Yangan Post Office	Australia	Record daily precipitation	26.9 mm (1.1 in)	22 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record low maximum temperature	1.8 C (35.2 F)	22 of 100 (Routine)
Clanton	United States	Record low minimum temperature	1.1 C (34.0 F)	22 of 100 (Routine)
Ojai	United States	Record low maximum temperature	14.4 C (57.9 F)	22 of 100 (Routine)
Ames	United States	Record daily snowfall	15.2 cm (6.0 in)	22 of 100 (Routine)
Berea College	United States	Record low maximum temperature	8.9 C (48.0 F)	22 of 100 (Routine)
Chapel Hill 2 W	United States	Record low minimum temperature	-1.7 C (28.9 F)	22 of 100 (Routine)
Marietta Wtr Wks	United States	Record low maximum temperature	8.3 C (46.9 F)	22 of 100 (Routine)
Huehue 92.1	United States	Record daily precipitation	30.5 mm (1.2 in)	22 of 100 (Routine)
Dalby Post Office	Australia	Record high minimum temperature	18.9 C (66.0 F)	21 of 100 (Routine)
Gormanston (Gould Street)	Australia	Record daily precipitation	51.6 mm (2.0 in)	21 of 100 (Routine)
Madison	United States	Record low minimum temperature	0.6 C (33.1 F)	21 of 100 (Routine)
Vacaville	United States	Record high minimum temperature	15.6 C (60.1 F)	21 of 100 (Routine)
Anchorage	United States	Record low maximum temperature	8.9 C (48.0 F)	21 of 100 (Routine)
Frankfort Downtown	United States	Record low maximum temperature	9.4 C (48.9 F)	21 of 100 (Routine)

Counts by Type and Timescale

467 records

Records set or tied on 18 April 1956 by type: Highest daily maximum 14, Lowest daily maximum 127, Highest daily minimum 23, Lowest daily minimum 75, Heaviest daily rainfall 172, Heaviest daily snowfall 39, Deepest snow cover 17.

Records on 18 April 1956 by type
Record type	Records
Highest daily maximum	14
Lowest daily maximum	127
Highest daily minimum	23
Lowest daily minimum	75
Heaviest daily rainfall	172
Heaviest daily snowfall	39
Deepest snow cover	17

Records on 18 April 1956 by timescale: all-time 0, monthly 1, daily 466.

How Much Records Were Beaten By

379 broken records

Margins by which the 379 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 279.0. Ties are not counted.

Top 20 by Significance

18 April 1956

Top 20 records on 18 April 1956 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 1956	Carnarvon (Pol), ZA	daily rain	51.4 mm (2.0 in)	47.6 mm (1.9 in)	33 years	52 of 100 (Notable)
18 April 1956	Langdon Exp Farm, US	daily snow depth	27.9 cm (11.0 in)	27.9 cm (11.0 in)	49 years	46 of 100 (Notable)
18 April 1956	West Quarter, AU	daily rain	40.6 mm (1.6 in)	40.6 mm (1.6 in)	44 years	43 of 100 (Notable)
18 April 1956	Stamford Station, AU	daily rain	75.2 mm (3.0 in)	53.6 mm (2.1 in)	17 years	42 of 100 (Notable)
18 April 1956	Mount Isa Post Office, AU	daily rain	55.4 mm (2.2 in)	55.4 mm (2.2 in)	30 years	38 of 100 (Notable)
18 April 1956	Canning Downs, AU	daily rain	31.8 mm (1.3 in)	15.8 mm (0.6 in)	61 years	38 of 100 (Notable)
18 April 1956	Emu Creek, AU	daily rain	33.0 mm (1.3 in)	14.5 mm (0.6 in)	61 years	38 of 100 (Notable)
18 April 1956	Selwyn Wrc, AU	daily rain	35.6 mm (1.4 in)	35.6 mm (1.4 in)	42 years	35 of 100 (Notable)
18 April 1956	Malboona, AU	daily rain	25.7 mm (1.0 in)	25.7 mm (1.0 in)	53 years	34 of 100 (Routine)
18 April 1956	Balgownie West, AU	daily rain	38.6 mm (1.5 in)	23.4 mm (0.9 in)	17 years	34 of 100 (Routine)
18 April 1956	Bucyrus, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	60 years	34 of 100 (Routine)
18 April 1956	Salida, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	57 years	33 of 100 (Routine)
18 April 1956	Lyndoch (Pewsey Vale), AU	daily rain	25.4 mm (1.0 in)	10.9 mm (0.4 in)	52 years	32 of 100 (Routine)
18 April 1956	University of Queensland Gatto, AU	daily rain	54.1 mm (2.1 in)	22.3 mm (0.9 in)	28 years	32 of 100 (Routine)
18 April 1956	Glenelg, AU	daily rain	27.9 mm (1.1 in)	10.1 mm (0.4 in)	61 years	32 of 100 (Routine)
18 April 1956	Brantford, CA	daily low max	3.3 C (37.9 F)	1.1 C (2.0 F)	79 years	32 of 100 (Routine)
18 April 1956	Putbus, DE	daily low max	3.5 C (38.3 F)	0.7 C (1.3 F)	71 years	32 of 100 (Routine)
18 April 1956	Tannymorel, AU	daily rain	35.6 mm (1.4 in)	21.4 mm (0.8 in)	17 years	31 of 100 (Routine)
18 April 1956	Borroloola, AU	daily rain	34.3 mm (1.4 in)	20.1 mm (0.8 in)	57 years	30 of 100 (Routine)
18 April 1956	Frostburg, US	daily snowfall	6.4 cm (2.5 in)	6.4 cm (2.5 in)	56 years	30 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

1793 to 1956

Records set or tied on this calendar date in each year from 1793 to 1956. 1956 had 467 records.

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

Records on 04-18 in each year
Year	Records
1793	1
1807	2
1815	1
1838	1
1847	1
1849	1
1851	1
1852	3
1854	3
1855	1
1865	4
1867	1
1870	1
1871	1
1875	4
1877	2
1878	1
1879	3
1880	2
1884	2
1886	2
1887	3
1888	1
1889	1
1890	2
1891	1
1892	3
1893	5
1894	7
1895	2
1896	3
1897	5
1898	8
1899	2
1900	2
1901	6
1902	5
1903	11
1904	9
1905	12
1906	18
1907	17
1908	37
1909	19
1910	19
1911	25
1912	21
1913	26
1914	38
1915	31
1916	22
1917	40
1918	76
1919	16
1920	64
1921	58
1922	85
1923	107
1924	101
1925	154
1926	322
1927	391
1928	323
1929	126
1930	113
1931	173
1932	326
1933	211
1934	391
1935	264
1936	483
1937	477
1938	711
1939	525
1940	322
1941	496
1942	287
1943	298
1944	259
1945	371
1946	357
1947	444
1948	932
1949	345
1950	244
1951	658
1952	536
1953	1,322
1954	442
1955	817
1956	467
1957	629
1958	370
1959	468
1960	320
1961	520
1962	484
1963	662
1964	449
1965	363
1966	776
1967	882
1968	867
1969	795
1970	771
1971	1,106
1972	470
1973	953
1974	326
1975	751
1976	1,309
1977	717
1978	803
1979	841
1980	842
1981	708
1982	616
1983	2,082
1984	625
1985	1,119
1986	622
1987	1,068
1988	936
1989	625
1990	1,368
1991	780
1992	702
1993	730
1994	1,218
1995	1,601
1996	826
1997	1,256
1998	1,011
1999	1,428
2000	912
2001	1,487
2002	2,084
2003	969
2004	846
2005	622
2006	1,262
2007	675
2008	913
2009	624
2010	478
2011	1,122
2012	744
2013	2,509
2014	534
2015	519
2016	973
2017	588
2018	1,202
2019	601
2020	770
2021	592
2022	1,013
2023	739
2024	641
2025	997
2026	498

Download the Data

Data for records on 1956-04-18: 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	366
50 to 100	9
100 to 150	1
150 to 200	0
200 to 250	0
250 to 300	3