Weather Records on 11 April 1973

1,479 weather records were set or tied worldwide on 11 April 1973. Highest significance: Lichtentanne, DE.

Key Facts for 11 April 1973

On 11 April 1973, 1,479 weather records were set or tied at long-record stations worldwide.
75 were record highs and 1,011 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 97 monthly and 1,382 daily.
Lichtentanne set a daily record snow depth of 12.0 cm (4.7 in) on 11 April 1973.
Across 164 earlier years (1800 to 2026) the same calendar date averaged 475 records.

Record Map

1,479 stations

1,479 station records on 11 April 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 April 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lichtentanne	Germany	Record snow depth	12.0 cm (4.7 in)	80 of 100 (Exceptional)
Pontal	Brazil	Record daily precipitation	114.3 mm (4.5 in)	63 of 100 (Major)
Cedar Rapids #1	United States	Record snow depth	25.4 cm (10.0 in)	61 of 100 (Major)
West Bend	United States	Record snow depth	22.9 cm (9.0 in)	61 of 100 (Major)
Viroqua	United States	Record snow depth	38.1 cm (15.0 in)	59 of 100 (Notable)
Marshalltown	United States	Record snow depth	25.4 cm (10.0 in)	56 of 100 (Notable)
New Hampton	United States	Record snow depth	27.9 cm (11.0 in)	56 of 100 (Notable)
Iguape	Brazil	Record daily precipitation	123.9 mm (4.9 in)	55 of 100 (Notable)
Muskegon Co AP	United States	Record snow depth	15.2 cm (6.0 in)	55 of 100 (Notable)
Sao Joao Do Jaguaribe	Brazil	Record daily precipitation	61.0 mm (2.4 in)	54 of 100 (Notable)
Chemnitz	Germany	Record snow depth	17.0 cm (6.7 in)	54 of 100 (Notable)
Plauen	Germany	Record snow depth	22.0 cm (8.7 in)	53 of 100 (Notable)
Oskaloosa	United States	Record snow depth	22.9 cm (9.0 in)	53 of 100 (Notable)
Baldwin	United States	Record snow depth	12.7 cm (5.0 in)	53 of 100 (Notable)
Darlington Wwtp	United States	Record snow depth	25.4 cm (10.0 in)	53 of 100 (Notable)
Camocim	Brazil	Record daily precipitation	117.6 mm (4.6 in)	52 of 100 (Notable)
Cosamaloapan de Carpio (Smn)	Mexico	Record low minimum temperature	11.1 C (52.0 F)	51 of 100 (Notable)
Hampton	United States	Record snow depth	27.9 cm (11.0 in)	51 of 100 (Notable)
Red Rvr	United States	Record snow depth	106.7 cm (42.0 in)	51 of 100 (Notable)
Winona	United States	Record snow depth	20.3 cm (8.0 in)	50 of 100 (Notable)
Ponte Alta 1	Brazil	Record daily precipitation	98.6 mm (3.9 in)	48 of 100 (Notable)
Garsebach Bei Meissen	Germany	Record snow depth	25.0 cm (9.8 in)	48 of 100 (Notable)
Unionville	United States	Record snow depth	25.4 cm (10.0 in)	48 of 100 (Notable)
Mirassol	Brazil	Record daily precipitation	96.0 mm (3.8 in)	47 of 100 (Notable)
Jacupiranga	Brazil	Record daily precipitation	110.4 mm (4.3 in)	47 of 100 (Notable)
Eldorado	Brazil	Record daily precipitation	87.6 mm (3.4 in)	47 of 100 (Notable)
Cimarron 4 SW	United States	Record snow depth	20.3 cm (8.0 in)	47 of 100 (Notable)
Big Rapids Wtp	United States	Record snow depth	10.2 cm (4.0 in)	46 of 100 (Notable)
Safford	United States	Record low minimum temperature	-5.6 C (21.9 F)	44 of 100 (Notable)
Thomas	United States	Record daily snowfall	22.9 cm (9.0 in)	44 of 100 (Notable)
Vinhedo	Brazil	Record daily precipitation	50.0 mm (2.0 in)	43 of 100 (Notable)
Augsburg (Sankt Stephan)	Germany	Record snow depth	14.0 cm (5.5 in)	43 of 100 (Notable)
Stuttgart-Hohenheim	Germany	Record snow depth	15.0 cm (5.9 in)	43 of 100 (Notable)
Tipton	United States	Record snow depth	15.2 cm (6.0 in)	43 of 100 (Notable)
Grand Meadow	United States	Record snow depth	38.1 cm (15.0 in)	43 of 100 (Notable)
Waukesha Wwtp	United States	Record snow depth	27.9 cm (11.0 in)	43 of 100 (Notable)
La Crosse Muni AP	United States	Record snow depth	30.5 cm (12.0 in)	43 of 100 (Notable)
Pindamonhangaba (Pcd)	Brazil	Record daily precipitation	35.0 mm (1.4 in)	42 of 100 (Notable)
Albanel	Canada	Record daily snowfall	14.7 cm (5.8 in)	42 of 100 (Notable)
Zuerich/Fluntern	Switzerland	Record snow depth	20.0 cm (7.9 in)	42 of 100 (Notable)
Florence	United States	Record low minimum temperature	-5.6 C (21.9 F)	42 of 100 (Notable)
Independence	United States	Record low minimum temperature	-13.3 C (8.1 F)	42 of 100 (Notable)
Meadville 1 S	United States	Record daily snowfall	12.2 cm (4.8 in)	42 of 100 (Notable)
Mauston 1 SE	United States	Record snow depth	22.9 cm (9.0 in)	42 of 100 (Notable)
University	United States	Record low minimum temperature	-4.4 C (24.1 F)	41 of 100 (Notable)
Monte Alto	Brazil	Record daily precipitation	57.0 mm (2.2 in)	40 of 100 (Notable)
Talbotton	United States	Record low minimum temperature	-2.8 C (27.0 F)	40 of 100 (Notable)
Alma	United States	Record snow depth	10.2 cm (4.0 in)	40 of 100 (Notable)
Barretos	Brazil	Record daily precipitation	41.0 mm (1.6 in)	39 of 100 (Notable)
Maquoketa	United States	Record snow depth	10.2 cm (4.0 in)	39 of 100 (Notable)
Richmond	United States	Record low maximum temperature	1.1 C (34.0 F)	39 of 100 (Notable)
Russellville	United States	Record low maximum temperature	3.9 C (39.0 F)	39 of 100 (Notable)
Lowell	United States	Record snow depth	10.2 cm (4.0 in)	39 of 100 (Notable)
Monticello Muni AP	United States	Record low minimum temperature	0.0 C (32.0 F)	39 of 100 (Notable)
Ponte Guatapara	Brazil	Record daily precipitation	83.6 mm (3.3 in)	38 of 100 (Notable)
Gorlitz	Germany	Record low minimum temperature	-4.6 C (23.7 F)	38 of 100 (Notable)
Nossen	Germany	Record snow depth	20.0 cm (7.9 in)	38 of 100 (Notable)
Tarpon Spgs Sewage Plt	United States	Record low maximum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Ft Kent	United States	Record daily snowfall	20.3 cm (8.0 in)	38 of 100 (Notable)
Webster Springs	United States	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)

Counts by Type and Timescale

1,479 records

Records set or tied on 11 April 1973 by type: Highest daily maximum 35, Lowest daily maximum 358, Highest daily minimum 40, Lowest daily minimum 653, Heaviest daily rainfall 183, Heaviest daily snowfall 94, Deepest snow cover 116.

Records on 11 April 1973 by type
Record type	Records
Highest daily maximum	35
Lowest daily maximum	358
Highest daily minimum	40
Lowest daily minimum	653
Heaviest daily rainfall	183
Heaviest daily snowfall	94
Deepest snow cover	116

Records on 11 April 1973 by timescale: all-time 0, monthly 97, daily 1,382.

How Much Records Were Beaten By

1,234 broken records

Margins by which the 1,234 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 381.0. Ties are not counted.

Top 20 by Significance

11 April 1973

Top 20 records on 11 April 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 April 1973	Lichtentanne, DE	daily snow depth	12.0 cm (4.7 in)	12.0 cm (4.7 in)	108 years	80 of 100 (Exceptional)
11 April 1973	Pontal, BR	monthly rain	114.3 mm (4.5 in)	52.3 mm (2.1 in)	36 years	63 of 100 (Major)
11 April 1973	Cedar Rapids #1, US	daily snow depth	25.4 cm (10.0 in)	17.8 cm (7.0 in)	48 years	61 of 100 (Major)
11 April 1973	West Bend, US	daily snow depth	22.9 cm (9.0 in)	22.9 cm (9.0 in)	48 years	61 of 100 (Major)
11 April 1973	Viroqua, US	daily snow depth	38.1 cm (15.0 in)	38.1 cm (15.0 in)	42 years	59 of 100 (Notable)
11 April 1973	Marshalltown, US	daily snow depth	25.4 cm (10.0 in)	25.4 cm (10.0 in)	79 years	56 of 100 (Notable)
11 April 1973	New Hampton, US	daily snow depth	27.9 cm (11.0 in)	27.9 cm (11.0 in)	75 years	56 of 100 (Notable)
11 April 1973	Iguape, BR	daily rain	123.9 mm (4.9 in)	59.9 mm (2.4 in)	39 years	55 of 100 (Notable)
11 April 1973	Muskegon Co AP, US	daily snow depth	15.2 cm (6.0 in)	12.7 cm (5.0 in)	72 years	55 of 100 (Notable)
11 April 1973	Sao Joao Do Jaguaribe, BR	daily rain	61.0 mm (2.4 in)	44.0 mm (1.7 in)	60 years	54 of 100 (Notable)
11 April 1973	Chemnitz, DE	daily snow depth	17.0 cm (6.7 in)	15.0 cm (5.9 in)	60 years	54 of 100 (Notable)
11 April 1973	Plauen, DE	monthly snow depth	22.0 cm (8.7 in)	7.0 cm (2.8 in)	44 years	53 of 100 (Notable)
11 April 1973	Oskaloosa, US	daily snow depth	22.9 cm (9.0 in)	22.9 cm (9.0 in)	79 years	53 of 100 (Notable)
11 April 1973	Baldwin, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	73 years	53 of 100 (Notable)
11 April 1973	Darlington Wwtp, US	daily snow depth	25.4 cm (10.0 in)	25.4 cm (10.0 in)	72 years	53 of 100 (Notable)
11 April 1973	Camocim, BR	daily rain	117.6 mm (4.6 in)	66.6 mm (2.6 in)	36 years	52 of 100 (Notable)
11 April 1973	Cosamaloapan de Carpio (Smn), MX	daily low min	11.1 C (52.0 F)	8.3 C (14.9 F)	35 years	51 of 100 (Notable)
11 April 1973	Hampton, US	daily snow depth	27.9 cm (11.0 in)	25.4 cm (10.0 in)	12 years	51 of 100 (Notable)
11 April 1973	Red Rvr, US	daily snow depth	106.7 cm (42.0 in)	35.6 cm (14.0 in)	64 years	51 of 100 (Notable)
11 April 1973	Winona, US	daily snow depth	20.3 cm (8.0 in)	15.2 cm (6.0 in)	51 years	50 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 1973

Records set or tied on this calendar date in each year from 1800 to 1973. 1973 had 1,479 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 1973-04-11: 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 50	1,143
50 to 100	44
100 to 150	20
150 to 200	10
200 to 250	7
250 to 300	7
300 to 350	1
350 to 400	2