Weather Records on 11 April 1955

610 weather records were set or tied worldwide on 11 April 1955. Highest significance: Arumpo, AU.

Key Facts for 11 April 1955

On 11 April 1955, 610 weather records were set or tied at long-record stations worldwide.
237 were record highs and 65 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 6 monthly and 603 daily.
Arumpo set a daily record precipitation of 38.1 mm (1.5 in) on 11 April 1955.
Across 164 earlier years (1800 to 2026) the same calendar date averaged 480 records.

Record Map

610 stations

610 station records on 11 April 1955 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 April 1955: highest significance records shown on the map
Station	Country	Type	Value	Significance
Arumpo	Australia	Record daily precipitation	38.1 mm (1.5 in)	62 of 100 (Major)
Grand Junction Walker Fld	United States	Record daily snowfall	14.0 cm (5.5 in)	58 of 100 (Notable)
Innsbruck	Austria	Record daily precipitation	39.2 mm (1.5 in)	55 of 100 (Notable)
Narrogin	Australia	Record daily precipitation	29.2 mm (1.1 in)	52 of 100 (Notable)
Fichtelberg	Germany	Record daily precipitation	37.7 mm (1.5 in)	51 of 100 (Notable)
Badgebup	Australia	Record daily precipitation	39.1 mm (1.5 in)	50 of 100 (Notable)
Zugspitze	Germany	Record daily precipitation	50.6 mm (2.0 in)	50 of 100 (Notable)
Reit Im Winkl	Germany	Record daily precipitation	50.0 mm (2.0 in)	50 of 100 (Notable)
Lake Grace Comparison	Australia	Record daily precipitation	30.5 mm (1.2 in)	49 of 100 (Notable)
Midland	Australia	Record daily precipitation	40.1 mm (1.6 in)	48 of 100 (Notable)
Mooliabeenee Siding	Australia	Record daily precipitation	34.8 mm (1.4 in)	48 of 100 (Notable)
Kayballup	Australia	Record daily precipitation	48.0 mm (1.9 in)	47 of 100 (Notable)
Wilcannia (Burndoo Estate)	Australia	Record daily precipitation	38.9 mm (1.5 in)	46 of 100 (Notable)
Jerramungup	Australia	Record daily precipitation	53.6 mm (2.1 in)	45 of 100 (Notable)
Walterboro 1 SW	United States	Record daily precipitation	41.7 mm (1.6 in)	44 of 100 (Notable)
Boksburg (Mun)	South Africa	Record daily precipitation	38.1 mm (1.5 in)	43 of 100 (Notable)
Uniontown	United States	Record daily precipitation	80.3 mm (3.2 in)	42 of 100 (Notable)
Bolgart	Australia	Record daily precipitation	31.2 mm (1.2 in)	41 of 100 (Notable)
Dumbleyung	Australia	Record daily precipitation	33.0 mm (1.3 in)	41 of 100 (Notable)
Quincy Exp STN	United States	Record daily precipitation	109.5 mm (4.3 in)	41 of 100 (Notable)
Dwtn Charleston	United States	Record daily precipitation	42.9 mm (1.7 in)	41 of 100 (Notable)
Tashkent	Uzbekistan	Record daily precipitation	38.0 mm (1.5 in)	41 of 100 (Notable)
Jagersfontein	South Africa	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
San Diego de la Union	Mexico	Record high minimum temperature	21.1 C (70.0 F)	39 of 100 (Notable)
Cuballing	Australia	Record daily precipitation	29.5 mm (1.2 in)	38 of 100 (Notable)
Pine Bluffs	United States	Record daily snowfall	38.1 cm (15.0 in)	38 of 100 (Notable)
Drevja	Norway	Record snow depth	157.0 cm (61.8 in)	37 of 100 (Notable)
Thomasville	United States	Record daily precipitation	81.3 mm (3.2 in)	37 of 100 (Notable)
Brunswick Junction	Australia	Record daily precipitation	26.9 mm (1.1 in)	35 of 100 (Notable)
Newdegate	Australia	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Lisboa Geofisica	Portugal	Record high minimum temperature	18.2 C (64.8 F)	34 of 100 (Routine)
Merrill	United States	Record daily precipitation	82.8 mm (3.3 in)	34 of 100 (Routine)
Brookton	Australia	Record daily precipitation	25.1 mm (1.0 in)	33 of 100 (Routine)
Tambellup	Australia	Record daily precipitation	26.4 mm (1.0 in)	33 of 100 (Routine)
Velikie Luki	Russia	Record low minimum temperature	-13.6 C (7.5 F)	33 of 100 (Routine)
Elandshoek	South Africa	Record daily precipitation	39.7 mm (1.6 in)	33 of 100 (Routine)
Leakesville 6 WSW	United States	Record daily precipitation	78.7 mm (3.1 in)	33 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high minimum temperature	18.3 C (64.9 F)	32 of 100 (Routine)
Visby_Flygplats	Sweden	Record low minimum temperature	-8.4 C (16.9 F)	32 of 100 (Routine)
Beaufort Wwtp	United States	Record daily precipitation	54.6 mm (2.1 in)	32 of 100 (Routine)
Germiston-Fj Payne Park	South Africa	Record daily precipitation	28.2 mm (1.1 in)	31 of 100 (Routine)
Lake Arthur 7 SW	United States	Record daily precipitation	79.0 mm (3.1 in)	30 of 100 (Routine)
Gresford Post Office	Australia	Record daily precipitation	39.4 mm (1.6 in)	29 of 100 (Routine)
Morden	Canada	Record high minimum temperature	11.1 C (52.0 F)	29 of 100 (Routine)
Julesburg	United States	Record daily precipitation	47.8 mm (1.9 in)	29 of 100 (Routine)
Barrie	Canada	Record high maximum temperature	19.4 C (66.9 F)	28 of 100 (Routine)
Sulitjelma	Norway	Record snow depth	143.0 cm (56.3 in)	28 of 100 (Routine)
Gavle	Sweden	Record low minimum temperature	-13.0 C (8.6 F)	28 of 100 (Routine)
Collbran	United States	Record daily snowfall	22.9 cm (9.0 in)	28 of 100 (Routine)
Petoskey	United States	Record high minimum temperature	7.2 C (45.0 F)	28 of 100 (Routine)
Red Lake Indian Agcy	United States	Record high minimum temperature	8.9 C (48.0 F)	28 of 100 (Routine)
Trenton 2	United States	Record high maximum temperature	28.9 C (84.0 F)	28 of 100 (Routine)
Kingston	United States	Record high maximum temperature	26.1 C (79.0 F)	28 of 100 (Routine)
Garibaldi	Canada	Record daily snowfall	12.7 cm (5.0 in)	27 of 100 (Routine)
Port Orford 2	United States	Record daily precipitation	26.7 mm (1.1 in)	27 of 100 (Routine)
Dongara	Australia	Record daily precipitation	49.3 mm (1.9 in)	26 of 100 (Routine)
Churchman Brook	Australia	Record daily precipitation	25.9 mm (1.0 in)	26 of 100 (Routine)
Nhill	Australia	Record high minimum temperature	18.9 C (66.0 F)	26 of 100 (Routine)
Morden Cda	Canada	Record high minimum temperature	10.0 C (50.0 F)	26 of 100 (Routine)
Harnosand	Sweden	Record low minimum temperature	-16.5 C (2.3 F)	26 of 100 (Routine)

Counts by Type and Timescale

610 records

Records set or tied on 11 April 1955 by type: Highest daily maximum 150, Lowest daily maximum 34, Highest daily minimum 87, Lowest daily minimum 31, Heaviest daily rainfall 279, Heaviest daily snowfall 23, Deepest snow cover 6.

Records on 11 April 1955 by type
Record type	Records
Highest daily maximum	150
Lowest daily maximum	34
Highest daily minimum	87
Lowest daily minimum	31
Heaviest daily rainfall	279
Heaviest daily snowfall	23
Deepest snow cover	6

Records on 11 April 1955 by timescale: all-time 1, monthly 6, daily 603.

How Much Records Were Beaten By

515 broken records

Margins by which the 515 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 580.0. Ties are not counted.

Top 20 by Significance

11 April 1955

Top 20 records on 11 April 1955 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 April 1955	Arumpo, AU	daily rain	38.1 mm (1.5 in)	35.3 mm (1.4 in)	52 years	62 of 100 (Major)
11 April 1955	Grand Junction Walker Fld, US	monthly snowfall	14.0 cm (5.5 in)	5.9 cm (2.3 in)	54 years	58 of 100 (Notable)
11 April 1955	Innsbruck, AT	daily rain	39.2 mm (1.5 in)	22.5 mm (0.9 in)	36 years	55 of 100 (Notable)
11 April 1955	Narrogin, AU	daily rain	29.2 mm (1.1 in)	25.6 mm (1.0 in)	45 years	52 of 100 (Notable)
11 April 1955	Fichtelberg, DE	daily rain	37.7 mm (1.5 in)	20.5 mm (0.8 in)	34 years	51 of 100 (Notable)
11 April 1955	Badgebup, AU	daily rain	39.1 mm (1.5 in)	35.5 mm (1.4 in)	20 years	50 of 100 (Notable)
11 April 1955	Zugspitze, DE	daily rain	50.6 mm (2.0 in)	29.7 mm (1.2 in)	18 years	50 of 100 (Notable)
11 April 1955	Reit Im Winkl, DE	daily rain	50.0 mm (2.0 in)	27.5 mm (1.1 in)	30 years	50 of 100 (Notable)
11 April 1955	Lake Grace Comparison, AU	daily rain	30.5 mm (1.2 in)	20.1 mm (0.8 in)	41 years	49 of 100 (Notable)
11 April 1955	Midland, AU	daily rain	40.1 mm (1.6 in)	38.3 mm (1.5 in)	4 years	48 of 100 (Notable)
11 April 1955	Mooliabeenee Siding, AU	daily rain	34.8 mm (1.4 in)	30.0 mm (1.2 in)	14 years	48 of 100 (Notable)
11 April 1955	Kayballup, AU	daily rain	48.0 mm (1.9 in)	31.5 mm (1.2 in)	12 years	47 of 100 (Notable)
11 April 1955	Wilcannia (Burndoo Estate), AU	daily rain	38.9 mm (1.5 in)	32.3 mm (1.3 in)	6 years	46 of 100 (Notable)
11 April 1955	Jerramungup, AU	daily rain	53.6 mm (2.1 in)	30.0 mm (1.2 in)	41 years	45 of 100 (Notable)
11 April 1955	Walterboro 1 SW, US	daily rain	41.7 mm (1.6 in)	31.5 mm (1.2 in)	41 years	44 of 100 (Notable)
11 April 1955	Boksburg (Mun), ZA	daily rain	38.1 mm (1.5 in)	28.2 mm (1.1 in)	17 years	43 of 100 (Notable)
11 April 1955	Uniontown, US	daily rain	80.3 mm (3.2 in)	39.4 mm (1.6 in)	54 years	42 of 100 (Notable)
11 April 1955	Bolgart, AU	daily rain	31.2 mm (1.2 in)	26.6 mm (1.0 in)	4 years	41 of 100 (Notable)
11 April 1955	Dumbleyung, AU	daily rain	33.0 mm (1.3 in)	22.3 mm (0.9 in)	17 years	41 of 100 (Notable)
11 April 1955	Quincy Exp STN, US	daily rain	109.5 mm (4.3 in)	58.7 mm (2.3 in)	36 years	41 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

1800 to 1955

Records set or tied on this calendar date in each year from 1800 to 1955. 1955 had 610 records.

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

Records on 04-11 in each year
Year	Records
1800	1
1803	1
1808	1
1809	1
1812	3
1818	1
1831	1
1832	1
1834	1
1837	1
1845	1
1854	1
1857	1
1863	2
1865	2
1866	1
1868	1
1869	3
1871	1
1874	1
1876	2
1879	2
1880	2
1881	1
1882	2
1885	1
1886	1
1887	2
1888	4
1889	2
1890	2
1891	2
1892	3
1894	7
1895	5
1896	3
1898	7
1899	11
1900	6
1901	4
1902	6
1903	13
1904	12
1905	20
1906	19
1907	7
1908	12
1909	30
1910	19
1911	19
1912	47
1913	48
1914	38
1915	127
1916	64
1917	62
1918	43
1919	42
1920	73
1921	32
1922	140
1923	89
1924	169
1925	197
1926	198
1927	156
1928	220
1929	214
1930	761
1931	185
1932	497
1933	481
1934	246
1935	261
1936	175
1937	245
1938	289
1939	611
1940	932
1941	579
1942	301
1943	546
1944	626
1945	890
1946	383
1947	478
1948	921
1949	402
1950	322
1951	623
1952	502
1953	594
1954	392
1955	610
1956	420
1957	508
1958	473
1959	582
1960	469
1961	532
1962	384
1963	450
1964	255
1965	763
1966	599
1967	757
1968	663
1969	353
1970	522
1971	495
1972	792
1973	1,479
1974	982
1975	851
1976	478
1977	1,231
1978	854
1979	977
1980	399
1981	1,036
1982	1,132
1983	1,040
1984	623
1985	952
1986	1,062
1987	440
1988	1,162
1989	1,931
1990	1,347
1991	1,287
1992	978
1993	722
1994	952
1995	2,134
1996	1,182
1997	3,077
1998	916
1999	1,318
2000	667
2001	1,865
2002	568
2003	1,156
2004	888
2005	930
2006	666
2007	962
2008	1,373
2009	1,102
2010	623
2011	1,664
2012	806
2013	1,482
2014	633
2015	399
2016	534
2017	489
2018	795
2019	812
2020	625
2021	892
2022	1,179
2023	1,036
2024	782
2025	1,177
2026	604

Download the Data

Data for records on 1955-04-11: 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 100	510
100 to 200	3
200 to 300	1
300 to 400	0
400 to 500	0
500 to 600	1