Weather Records on 13 April 1975

675 weather records were set or tied worldwide on 13 April 1975. Highest significance: Medicine Lake 3 SE, US.

Key Facts for 13 April 1975

On 13 April 1975, 675 weather records were set or tied at long-record stations worldwide.
127 were record highs and 225 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 653 daily.
Medicine Lake 3 SE set a daily record snow depth of 53.3 cm (21.0 in) on 13 April 1975.
Across 164 earlier years (1798 to 2026) the same calendar date averaged 484 records.

Record Map

675 stations

675 station records on 13 April 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 13 April 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Medicine Lake 3 SE	United States	Record snow depth	53.3 cm (21.0 in)	64 of 100 (Major)
Velikie Luki	Russia	Record daily precipitation	41.4 mm (1.6 in)	60 of 100 (Major)
Yamba Pilot Station	Australia	Record daily precipitation	100.4 mm (4.0 in)	57 of 100 (Notable)
Kit Carson	United States	Record daily snowfall	12.7 cm (5.0 in)	57 of 100 (Notable)
Aztec Ruins Nm	United States	Record daily precipitation	29.7 mm (1.2 in)	57 of 100 (Notable)
Butte Bert Mooney AP	United States	Record snow depth	27.9 cm (11.0 in)	55 of 100 (Notable)
Caloundra Signal Station	Australia	Record daily precipitation	134.6 mm (5.3 in)	51 of 100 (Notable)
Poplar 2 E	United States	Record snow depth	12.7 cm (5.0 in)	51 of 100 (Notable)
Eureka	United States	Record snow depth	53.3 cm (21.0 in)	51 of 100 (Notable)
Groblersplaas	South Africa	Record daily precipitation	70.5 mm (2.8 in)	50 of 100 (Notable)
Elandshoek	South Africa	Record daily precipitation	48.6 mm (1.9 in)	49 of 100 (Notable)
St. Petersburg	Russia	Record daily precipitation	25.5 mm (1.0 in)	48 of 100 (Notable)
Badplaas (Pol)	South Africa	Record daily precipitation	43.5 mm (1.7 in)	48 of 100 (Notable)
Ovando	United States	Record snow depth	30.5 cm (12.0 in)	48 of 100 (Notable)
Ashley	United States	Record daily snowfall	17.8 cm (7.0 in)	48 of 100 (Notable)
Bowman	United States	Record snow depth	35.6 cm (14.0 in)	48 of 100 (Notable)
Mochudi	Botswana	Record daily precipitation	70.0 mm (2.8 in)	47 of 100 (Notable)
Nikolaevskoe	Russia	Record daily precipitation	33.5 mm (1.3 in)	46 of 100 (Notable)
Nooitgedacht	South Africa	Record daily precipitation	95.0 mm (3.7 in)	46 of 100 (Notable)
Redig 11 NE	United States	Record snow depth	27.9 cm (11.0 in)	46 of 100 (Notable)
Serowe	Botswana	Record daily precipitation	42.5 mm (1.7 in)	45 of 100 (Notable)
Porto	Brazil	Record daily precipitation	75.6 mm (3.0 in)	45 of 100 (Notable)
Newport	United States	Record snow depth	25.4 cm (10.0 in)	45 of 100 (Notable)
Bergplaats	South Africa	Record daily precipitation	42.0 mm (1.7 in)	44 of 100 (Notable)
Ekaterinburg	Russia	Record high maximum temperature	26.0 C (78.8 F)	42 of 100 (Notable)
Driefontein	South Africa	Record daily precipitation	68.5 mm (2.7 in)	42 of 100 (Notable)
Nambour Bowling Club	Australia	Record daily precipitation	84.8 mm (3.3 in)	41 of 100 (Notable)
Machadodorp	South Africa	Record daily precipitation	37.7 mm (1.5 in)	41 of 100 (Notable)
Una (Agr)	South Africa	Record daily precipitation	82.5 mm (3.2 in)	41 of 100 (Notable)
Forman 5 SSE	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Aurora	Brazil	Record daily precipitation	95.6 mm (3.8 in)	40 of 100 (Notable)
Eureka	United States	Record daily precipitation	35.1 mm (1.4 in)	40 of 100 (Notable)
Wales	United States	Record daily snowfall	8.1 cm (3.2 in)	40 of 100 (Notable)
Maasbult	South Africa	Record daily precipitation	39.5 mm (1.6 in)	39 of 100 (Notable)
Great Falls AP	United States	Record snow depth	17.8 cm (7.0 in)	39 of 100 (Notable)
Klipfontein "Rietpan"	South Africa	Record daily precipitation	54.0 mm (2.1 in)	38 of 100 (Notable)
Hatteras	United States	Record low minimum temperature	1.7 C (35.1 F)	38 of 100 (Notable)
Grootvlei (Pol)	South Africa	Record daily precipitation	33.5 mm (1.3 in)	37 of 100 (Notable)
Versamelhoek	South Africa	Record daily precipitation	48.5 mm (1.9 in)	37 of 100 (Notable)
Barra da Estiva	Brazil	Record daily precipitation	54.4 mm (2.1 in)	36 of 100 (Notable)
Palmer Estate	South Africa	Record daily precipitation	40.0 mm (1.6 in)	36 of 100 (Notable)
Priest Rvr Exp STN	United States	Record snow depth	22.9 cm (9.0 in)	36 of 100 (Notable)
Lima	United States	Record snow depth	12.7 cm (5.0 in)	36 of 100 (Notable)
Westby	United States	Record snow depth	40.6 cm (16.0 in)	36 of 100 (Notable)
Alkmaar	South Africa	Record daily precipitation	39.0 mm (1.5 in)	35 of 100 (Notable)
Denton 2 E	United States	Record low minimum temperature	-3.3 C (26.1 F)	35 of 100 (Notable)
Yerevan	Armenia	Record high minimum temperature	17.3 C (63.1 F)	34 of 100 (Routine)
South Solitary Island	Australia	Record daily precipitation	30.8 mm (1.2 in)	34 of 100 (Routine)
Schikfontein	South Africa	Record daily precipitation	40.0 mm (1.6 in)	34 of 100 (Routine)
Rietbult	South Africa	Record daily precipitation	38.5 mm (1.5 in)	34 of 100 (Routine)
Zwartrandjes	South Africa	Record daily precipitation	38.5 mm (1.5 in)	34 of 100 (Routine)
Wadena 3 S	United States	Record snow depth	15.2 cm (6.0 in)	34 of 100 (Routine)
Manga	Brazil	Record daily precipitation	39.2 mm (1.5 in)	33 of 100 (Routine)
De Kroon (Irr)	South Africa	Record daily precipitation	66.5 mm (2.6 in)	33 of 100 (Routine)
Legkraal	South Africa	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Denton	United States	Record snow depth	30.5 cm (12.0 in)	33 of 100 (Routine)
McAlester Rgnl AP	United States	Record low maximum temperature	11.7 C (53.1 F)	33 of 100 (Routine)
Hollowaysrust	South Africa	Record daily precipitation	28.0 mm (1.1 in)	32 of 100 (Routine)
Welverdiend (Pol)	South Africa	Record daily precipitation	35.5 mm (1.4 in)	32 of 100 (Routine)
Hex Krantz	South Africa	Record daily precipitation	62.0 mm (2.4 in)	32 of 100 (Routine)

Counts by Type and Timescale

675 records

Records set or tied on 13 April 1975 by type: Highest daily maximum 69, Lowest daily maximum 67, Highest daily minimum 58, Lowest daily minimum 158, Heaviest daily rainfall 238, Heaviest daily snowfall 29, Deepest snow cover 56.

Records on 13 April 1975 by type
Record type	Records
Highest daily maximum	69
Lowest daily maximum	67
Highest daily minimum	58
Lowest daily minimum	158
Heaviest daily rainfall	238
Heaviest daily snowfall	29
Deepest snow cover	56

Records on 13 April 1975 by timescale: all-time 0, monthly 22, daily 653.

How Much Records Were Beaten By

554 broken records

Margins by which the 554 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 508.0. Ties are not counted.

Top 20 by Significance

13 April 1975

Top 20 records on 13 April 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
13 April 1975	Medicine Lake 3 SE, US	daily snow depth	53.3 cm (21.0 in)	50.8 cm (20.0 in)	62 years	64 of 100 (Major)
13 April 1975	Velikie Luki, RU	monthly rain	41.4 mm (1.6 in)	18.5 mm (0.7 in)	4 years	60 of 100 (Major)
13 April 1975	Yamba Pilot Station, AU	daily rain	100.4 mm (4.0 in)	41.7 mm (1.6 in)	90 years	57 of 100 (Notable)
13 April 1975	Kit Carson, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	79 years	57 of 100 (Notable)
13 April 1975	Aztec Ruins Nm, US	daily rain	29.7 mm (1.2 in)	23.6 mm (0.9 in)	30 years	57 of 100 (Notable)
13 April 1975	Butte Bert Mooney AP, US	daily snow depth	27.9 cm (11.0 in)	25.4 cm (10.0 in)	25 years	55 of 100 (Notable)
13 April 1975	Caloundra Signal Station, AU	daily rain	134.6 mm (5.3 in)	68.6 mm (2.7 in)	40 years	51 of 100 (Notable)
13 April 1975	Poplar 2 E, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	60 years	51 of 100 (Notable)
13 April 1975	Eureka, US	daily snow depth	53.3 cm (21.0 in)	33.0 cm (13.0 in)	6 years	51 of 100 (Notable)
13 April 1975	Groblersplaas, ZA	daily rain	70.5 mm (2.8 in)	36.2 mm (1.4 in)	44 years	50 of 100 (Notable)
13 April 1975	Elandshoek, ZA	daily rain	48.6 mm (1.9 in)	37.2 mm (1.5 in)	24 years	49 of 100 (Notable)
13 April 1975	St. Petersburg, RU	monthly rain	25.5 mm (1.0 in)	1.6 mm (0.06 in)	84 years	48 of 100 (Notable)
13 April 1975	Badplaas (Pol), ZA	daily rain	43.5 mm (1.7 in)	28.3 mm (1.1 in)	60 years	48 of 100 (Notable)
13 April 1975	Ovando, US	daily snow depth	30.5 cm (12.0 in)	30.5 cm (12.0 in)	36 years	48 of 100 (Notable)
13 April 1975	Ashley, US	daily snowfall	17.8 cm (7.0 in)	7.6 cm (3.0 in)	78 years	48 of 100 (Notable)
13 April 1975	Bowman, US	daily snow depth	35.6 cm (14.0 in)	33.1 cm (13.0 in)	6 years	48 of 100 (Notable)
13 April 1975	Mochudi, BW	daily rain	70.0 mm (2.8 in)	46.4 mm (1.8 in)	32 years	47 of 100 (Notable)
13 April 1975	Nikolaevskoe, RU	monthly rain	33.5 mm (1.3 in)	9.6 mm (0.38 in)	18 years	46 of 100 (Notable)
13 April 1975	Nooitgedacht, ZA	daily rain	95.0 mm (3.7 in)	69.0 mm (2.7 in)	9 years	46 of 100 (Notable)
13 April 1975	Redig 11 NE, US	daily snow depth	27.9 cm (11.0 in)	20.3 cm (8.0 in)	48 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

1798 to 1975

Records set or tied on this calendar date in each year from 1798 to 1975. 1975 had 675 records.

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

Records on 04-13 in each year
Year	Records
1798	1
1806	1
1809	2
1812	1
1817	1
1830	1
1831	1
1834	1
1836	1
1837	1
1839	2
1849	1
1852	1
1854	1
1856	2
1862	1
1864	1
1865	3
1869	3
1872	1
1874	1
1875	3
1876	2
1878	1
1879	2
1882	2
1885	1
1886	3
1889	2
1890	8
1891	2
1892	4
1894	1
1895	1
1896	3
1897	4
1898	2
1899	2
1900	5
1901	1
1902	3
1903	11
1904	15
1905	9
1906	23
1907	16
1908	6
1909	37
1910	13
1911	32
1912	41
1913	62
1914	58
1915	17
1916	47
1917	36
1918	35
1919	26
1920	258
1921	59
1922	74
1923	125
1924	96
1925	137
1926	232
1927	167
1928	139
1929	117
1930	477
1931	339
1932	392
1933	489
1934	674
1935	480
1936	435
1937	185
1938	268
1939	857
1940	1,562
1941	1,085
1942	137
1943	745
1944	212
1945	978
1946	391
1947	532
1948	595
1949	302
1950	1,352
1951	715
1952	738
1953	609
1954	504
1955	665
1956	294
1957	714
1958	465
1959	515
1960	286
1961	669
1962	603
1963	353
1964	408
1965	656
1966	563
1967	665
1968	739
1969	324
1970	624
1971	390
1972	1,411
1973	701
1974	729
1975	675
1976	807
1977	1,066
1978	448
1979	715
1980	734
1981	872
1982	710
1983	1,394
1984	397
1985	746
1986	1,509
1987	768
1988	1,145
1989	1,671
1990	800
1991	1,326
1992	1,189
1993	574
1994	1,104
1995	789
1996	913
1997	2,451
1998	1,710
1999	631
2000	956
2001	1,013
2002	916
2003	1,245
2004	1,091
2005	425
2006	1,023
2007	1,271
2008	1,021
2009	760
2010	1,028
2011	761
2012	609
2013	759
2014	868
2015	607
2016	510
2017	454
2018	914
2019	736
2020	2,051
2021	465
2022	2,173
2023	1,433
2024	1,172
2025	952
2026	849

Download the Data

Data for records on 1975-04-13: 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 2026-10-16 (16 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	521
100 to 200	21
200 to 300	8
300 to 400	3
400 to 500	0
500 to 600	1