Weather Records on 11 April 1975

851 weather records were set or tied worldwide on 11 April 1975. Highest significance: Eureka, US.

Key Facts for 11 April 1975

On 11 April 1975, 851 weather records were set or tied at long-record stations worldwide.
209 were record highs and 242 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 15 monthly and 835 daily.
Eureka set a daily record snow depth of 38.1 cm (15.0 in) on 11 April 1975.
Across 164 earlier years (1800 to 2026) the same calendar date averaged 479 records.

Record Map

851 stations

851 station records on 11 April 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 April 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Eureka	United States	Record snow depth	38.1 cm (15.0 in)	65 of 100 (Major)
Bowman	United States	Record snow depth	40.6 cm (16.0 in)	62 of 100 (Major)
Poplar 2 E	United States	Record snow depth	15.2 cm (6.0 in)	57 of 100 (Notable)
Cascade 5 S	United States	Record snow depth	25.4 cm (10.0 in)	56 of 100 (Notable)
Bainbridge	United States	Record daily precipitation	123.7 mm (4.9 in)	55 of 100 (Notable)
Dickinson Exp STN	United States	Record snow depth	53.3 cm (21.0 in)	54 of 100 (Notable)
Ovando	United States	Record snow depth	35.6 cm (14.0 in)	53 of 100 (Notable)
Andradina	Brazil	Record daily precipitation	73.7 mm (2.9 in)	52 of 100 (Notable)
Coroados	Brazil	Record daily precipitation	66.8 mm (2.6 in)	52 of 100 (Notable)
Redig 11 NE	United States	Record snow depth	43.2 cm (17.0 in)	52 of 100 (Notable)
Sao Francisco da Corredeira	Brazil	Record daily precipitation	103.2 mm (4.1 in)	51 of 100 (Notable)
Piranhas (Marechal Floriano)	Brazil	Record daily precipitation	78.2 mm (3.1 in)	51 of 100 (Notable)
Virginia	United States	Record snow depth	71.1 cm (28.0 in)	51 of 100 (Notable)
Great Falls AP	United States	Record snow depth	43.2 cm (17.0 in)	51 of 100 (Notable)
Hereford	United States	Record daily precipitation	40.9 mm (1.6 in)	50 of 100 (Notable)
Cafelandia	Brazil	Record daily precipitation	63.9 mm (2.5 in)	49 of 100 (Notable)
Fernandina Beach	United States	Record daily precipitation	66.0 mm (2.6 in)	49 of 100 (Notable)
Pinhalzinho	Brazil	Record daily precipitation	45.8 mm (1.8 in)	48 of 100 (Notable)
Bartow 1SE	United States	Record high minimum temperature	26.1 C (79.0 F)	48 of 100 (Notable)
Umari	Brazil	Record daily precipitation	104.0 mm (4.1 in)	46 of 100 (Notable)
Rico	United States	Record daily snowfall	25.4 cm (10.0 in)	46 of 100 (Notable)
Monticello 5 SE	United States	Record daily precipitation	112.8 mm (4.4 in)	46 of 100 (Notable)
Edgeley 3WNW	United States	Record snow depth	25.4 cm (10.0 in)	46 of 100 (Notable)
Usina Avanhandava (Cpfl)	Brazil	Record daily precipitation	59.2 mm (2.3 in)	45 of 100 (Notable)
Itapira	Brazil	Record daily precipitation	41.3 mm (1.6 in)	45 of 100 (Notable)
Saguache	United States	Record daily snowfall	19.1 cm (7.5 in)	45 of 100 (Notable)
Kazan	Russia	Record high minimum temperature	11.9 C (53.4 F)	44 of 100 (Notable)
Camilla 3SE	United States	Record daily precipitation	103.9 mm (4.1 in)	44 of 100 (Notable)
Chazy	United States	Record snow depth	20.3 cm (8.0 in)	44 of 100 (Notable)
Guaianas	Brazil	Record daily precipitation	56.0 mm (2.2 in)	43 of 100 (Notable)
Jacksonville Beach	United States	Record daily precipitation	63.2 mm (2.5 in)	43 of 100 (Notable)
Ocala	United States	Record daily precipitation	89.2 mm (3.5 in)	43 of 100 (Notable)
Amparo	Brazil	Record daily precipitation	42.2 mm (1.7 in)	42 of 100 (Notable)
Mandan Exp STN	United States	Record snow depth	22.9 cm (9.0 in)	42 of 100 (Notable)
Friona	United States	Record daily precipitation	35.1 mm (1.4 in)	42 of 100 (Notable)
Miles City AP	United States	Record snow depth	10.2 cm (4.0 in)	42 of 100 (Notable)
Santa Cruz Das Palmeiras	Brazil	Record daily precipitation	50.2 mm (2.0 in)	41 of 100 (Notable)
Ribeirao Preto	Brazil	Record daily precipitation	66.2 mm (2.6 in)	41 of 100 (Notable)
Bancroft	Canada	Record low minimum temperature	-17.8 C (0.0 F)	41 of 100 (Notable)
Denton	United States	Record low minimum temperature	-14.4 C (6.1 F)	41 of 100 (Notable)
Hettinger	United States	Record snow depth	17.8 cm (7.0 in)	41 of 100 (Notable)
Cajazeiras	Brazil	Record daily precipitation	71.0 mm (2.8 in)	40 of 100 (Notable)
Pombal	Brazil	Record daily precipitation	104.0 mm (4.1 in)	40 of 100 (Notable)
Escalante	United States	Record daily snowfall	6.4 cm (2.5 in)	40 of 100 (Notable)
Fazenda Ano Bom Do Tiete	Brazil	Record daily precipitation	43.4 mm (1.7 in)	39 of 100 (Notable)
Usina Pinhal (Eloy Chaves)	Brazil	Record daily precipitation	40.2 mm (1.6 in)	39 of 100 (Notable)
Westby	United States	Record snow depth	48.3 cm (19.0 in)	39 of 100 (Notable)
Chipley	United States	Record daily precipitation	103.9 mm (4.1 in)	38 of 100 (Notable)
Federal Pt	United States	Record daily precipitation	55.9 mm (2.2 in)	38 of 100 (Notable)
Lake City 2 E	United States	Record daily precipitation	83.8 mm (3.3 in)	38 of 100 (Notable)
Donalsonville 1 S	United States	Record daily precipitation	91.7 mm (3.6 in)	38 of 100 (Notable)
Yale 1 NNW	United States	Record snow depth	20.3 cm (8.0 in)	38 of 100 (Notable)
Los Alamos	United States	Record daily snowfall	25.4 cm (10.0 in)	38 of 100 (Notable)
Usina Americana (Cpfl)	Brazil	Record daily precipitation	40.7 mm (1.6 in)	37 of 100 (Notable)
Cresciumal	Brazil	Record daily precipitation	30.4 mm (1.2 in)	37 of 100 (Notable)
Fredonia	United States	Record daily snowfall	5.1 cm (2.0 in)	37 of 100 (Notable)
St Marks 5 SSE	United States	Record daily precipitation	49.0 mm (1.9 in)	37 of 100 (Notable)
Goldbutte 7 N	United States	Record snow depth	45.7 cm (18.0 in)	37 of 100 (Notable)
Yellowstone Park Mammoth	United States	Record low maximum temperature	-2.2 C (28.0 F)	37 of 100 (Notable)
Jacksonville NAS	United States	Record daily precipitation	51.3 mm (2.0 in)	37 of 100 (Notable)

Counts by Type and Timescale

851 records

Records set or tied on 11 April 1975 by type: Highest daily maximum 117, Lowest daily maximum 99, Highest daily minimum 92, Lowest daily minimum 143, Heaviest daily rainfall 287, Heaviest daily snowfall 32, Deepest snow cover 81.

Records on 11 April 1975 by type
Record type	Records
Highest daily maximum	117
Lowest daily maximum	99
Highest daily minimum	92
Lowest daily minimum	143
Heaviest daily rainfall	287
Heaviest daily snowfall	32
Deepest snow cover	81

Records on 11 April 1975 by timescale: all-time 1, monthly 15, daily 835.

How Much Records Were Beaten By

714 broken records

Margins by which the 714 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 584.0. Ties are not counted.

Top 20 by Significance

11 April 1975

Top 20 records on 11 April 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 April 1975	Eureka, US	daily snow depth	38.1 cm (15.0 in)	33.0 cm (13.0 in)	56 years	65 of 100 (Major)
11 April 1975	Bowman, US	daily snow depth	40.6 cm (16.0 in)	35.5 cm (14.0 in)	56 years	62 of 100 (Major)
11 April 1975	Poplar 2 E, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	60 years	57 of 100 (Notable)
11 April 1975	Cascade 5 S, US	daily snow depth	25.4 cm (10.0 in)	20.3 cm (8.0 in)	48 years	56 of 100 (Notable)
11 April 1975	Bainbridge, US	daily rain	123.7 mm (4.9 in)	70.4 mm (2.8 in)	56 years	55 of 100 (Notable)
11 April 1975	Dickinson Exp STN, US	daily snow depth	53.3 cm (21.0 in)	40.6 cm (16.0 in)	24 years	54 of 100 (Notable)
11 April 1975	Ovando, US	daily snow depth	35.6 cm (14.0 in)	35.6 cm (14.0 in)	36 years	53 of 100 (Notable)
11 April 1975	Andradina, BR	daily rain	73.7 mm (2.9 in)	63.5 mm (2.5 in)	30 years	52 of 100 (Notable)
11 April 1975	Coroados, BR	daily rain	66.8 mm (2.6 in)	55.5 mm (2.2 in)	30 years	52 of 100 (Notable)
11 April 1975	Redig 11 NE, US	daily snow depth	43.2 cm (17.0 in)	30.5 cm (12.0 in)	24 years	52 of 100 (Notable)
11 April 1975	Sao Francisco da Corredeira, BR	daily rain	103.2 mm (4.1 in)	71.7 mm (2.8 in)	29 years	51 of 100 (Notable)
11 April 1975	Piranhas (Marechal Floriano), BR	daily rain	78.2 mm (3.1 in)	47.8 mm (1.9 in)	25 years	51 of 100 (Notable)
11 April 1975	Virginia, US	daily snow depth	71.1 cm (28.0 in)	58.4 cm (23.0 in)	28 years	51 of 100 (Notable)
11 April 1975	Great Falls AP, US	daily snow depth	43.2 cm (17.0 in)	38.1 cm (15.0 in)	26 years	51 of 100 (Notable)
11 April 1975	Hereford, US	daily rain	40.9 mm (1.6 in)	30.0 mm (1.2 in)	36 years	50 of 100 (Notable)
11 April 1975	Cafelandia, BR	daily rain	63.9 mm (2.5 in)	54.9 mm (2.2 in)	20 years	49 of 100 (Notable)
11 April 1975	Fernandina Beach, US	daily rain	66.0 mm (2.6 in)	38.6 mm (1.5 in)	50 years	49 of 100 (Notable)
11 April 1975	Pinhalzinho, BR	daily rain	45.8 mm (1.8 in)	40.5 mm (1.6 in)	33 years	48 of 100 (Notable)
11 April 1975	Bartow 1SE, US	monthly high min	26.1 C (79.0 F)	2.8 C (5.0 F)	77 years	48 of 100 (Notable)
11 April 1975	Umari, BR	monthly rain	104.0 mm (4.1 in)	22.4 mm (0.9 in)	52 years	46 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 1975

Records set or tied on this calendar date in each year from 1800 to 1975. 1975 had 851 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 1975-04-11: 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	674
100 to 200	25
200 to 300	6
300 to 400	6
400 to 500	2
500 to 600	1