Weather Records on 12 April 1973

903 weather records were set or tied worldwide on 12 April 1973. Highest significance: Hampton, US.

Key Facts for 12 April 1973

On 12 April 1973, 903 weather records were set or tied at long-record stations worldwide.
113 were record highs and 431 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 47 monthly and 856 daily.
Hampton set a daily record snow depth of 20.3 cm (8.0 in) on 12 April 1973.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 499 records.

Record Map

903 stations

903 station records on 12 April 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 April 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hampton	United States	Record snow depth	20.3 cm (8.0 in)	68 of 100 (Major)
Red Rvr	United States	Record snow depth	101.6 cm (40.0 in)	63 of 100 (Major)
Plauen	Germany	Record snow depth	13.0 cm (5.1 in)	61 of 100 (Major)
Cedar Rapids #1	United States	Record snow depth	15.2 cm (6.0 in)	61 of 100 (Major)
Grinnell 3 SW	United States	Record snow depth	30.5 cm (12.0 in)	61 of 100 (Major)
Viroqua	United States	Record snow depth	30.5 cm (12.0 in)	59 of 100 (Notable)
Sao Francisco Xavier	Brazil	Record daily precipitation	106.9 mm (4.2 in)	56 of 100 (Notable)
Ribeirao Corrente	Brazil	Record daily precipitation	69.9 mm (2.8 in)	53 of 100 (Notable)
West Bend	United States	Record snow depth	17.8 cm (7.0 in)	53 of 100 (Notable)
Selb/Oberfranken-Wildenau	Germany	Record snow depth	20.0 cm (7.9 in)	52 of 100 (Notable)
Frecheirinha	Brazil	Record daily precipitation	144.8 mm (5.7 in)	50 of 100 (Notable)
Ellwangen-Rindelbach	Germany	Record snow depth	14.0 cm (5.5 in)	50 of 100 (Notable)
Usina Dourados (Cpfl) B4-003	Brazil	Record daily precipitation	60.1 mm (2.4 in)	49 of 100 (Notable)
Aracatuba	Brazil	Record daily precipitation	108.4 mm (4.3 in)	49 of 100 (Notable)
New Hampton	United States	Record snow depth	20.3 cm (8.0 in)	49 of 100 (Notable)
Aracatiacu	Brazil	Record daily precipitation	97.3 mm (3.8 in)	48 of 100 (Notable)
Marshalltown	United States	Record snow depth	15.2 cm (6.0 in)	46 of 100 (Notable)
Oskaloosa	United States	Record snow depth	15.2 cm (6.0 in)	46 of 100 (Notable)
Vaalpan	South Africa	Record daily precipitation	42.5 mm (1.7 in)	45 of 100 (Notable)
Glenville	United States	Record daily snowfall	6.6 cm (2.6 in)	45 of 100 (Notable)
Darlington Wwtp	United States	Record snow depth	17.8 cm (7.0 in)	45 of 100 (Notable)
Itariri	Brazil	Record daily precipitation	129.6 mm (5.1 in)	44 of 100 (Notable)
Huntington	United States	Record daily snowfall	11.4 cm (4.5 in)	44 of 100 (Notable)
Cimarron 4 SW	United States	Record snow depth	17.8 cm (7.0 in)	44 of 100 (Notable)
Plymouth Pwr Substn	United States	Record daily snowfall	12.7 cm (5.0 in)	42 of 100 (Notable)
Farmland 5 NNW	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Webster City	United States	Record snow depth	10.2 cm (4.0 in)	41 of 100 (Notable)
Greenville Wtp	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Marysville	United States	Record daily snowfall	15.2 cm (6.0 in)	41 of 100 (Notable)
Cravinhos	Brazil	Record daily precipitation	50.6 mm (2.0 in)	40 of 100 (Notable)
Ibiapina	Brazil	Record daily precipitation	131.0 mm (5.2 in)	39 of 100 (Notable)
Chemnitz	Germany	Record snow depth	10.0 cm (3.9 in)	39 of 100 (Notable)
Wabash	United States	Record daily snowfall	17.8 cm (7.0 in)	39 of 100 (Notable)
Van Wert 1 S	United States	Record daily snowfall	17.8 cm (7.0 in)	39 of 100 (Notable)
Lewisburg 3 N	United States	Record daily snowfall	5.1 cm (2.0 in)	39 of 100 (Notable)
Chapel Hill 2 W	United States	Record low minimum temperature	-3.3 C (26.1 F)	38 of 100 (Notable)
Bellefontaine	United States	Record daily snowfall	10.7 cm (4.2 in)	38 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record snow depth	10.2 cm (4.0 in)	38 of 100 (Notable)
Olimpia	Brazil	Record daily precipitation	47.1 mm (1.9 in)	37 of 100 (Notable)
Alto Alegre	Brazil	Record daily precipitation	44.3 mm (1.7 in)	37 of 100 (Notable)
Berne Wwtp	United States	Record daily snowfall	16.5 cm (6.5 in)	37 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
St Hyacinthe	Canada	Record low maximum temperature	-1.1 C (30.0 F)	35 of 100 (Notable)
Freiburg	Germany	Record low maximum temperature	5.0 C (41.0 F)	35 of 100 (Notable)
Unionville	United States	Record snow depth	12.7 cm (5.0 in)	35 of 100 (Notable)
Hillsboro	United States	Record daily snowfall	5.1 cm (2.0 in)	35 of 100 (Notable)
Yamba Pilot Station	Australia	Record daily precipitation	48.0 mm (1.9 in)	34 of 100 (Routine)
Piracicaba	Brazil	Record daily precipitation	35.2 mm (1.4 in)	34 of 100 (Routine)
Ribeirao Preto	Brazil	Record daily precipitation	35.7 mm (1.4 in)	34 of 100 (Routine)
Usina Turvinho	Brazil	Record daily precipitation	35.9 mm (1.4 in)	34 of 100 (Routine)
Lennoxville	Canada	Record low maximum temperature	-2.8 C (27.0 F)	34 of 100 (Routine)
Chicoutimi	Canada	Record low maximum temperature	-3.3 C (26.1 F)	34 of 100 (Routine)
Beerfelden	Germany	Record snow depth	24.0 cm (9.4 in)	34 of 100 (Routine)
Weissenburg	Germany	Record low maximum temperature	3.6 C (38.5 F)	34 of 100 (Routine)
Marble Hill	United States	Record low minimum temperature	-7.2 C (19.0 F)	34 of 100 (Routine)
Plymouth Wwtp	United States	Record snow depth	15.2 cm (6.0 in)	34 of 100 (Routine)
Madison Dane Co Rgnl AP	United States	Record snow depth	22.9 cm (9.0 in)	34 of 100 (Routine)
Jacobina	Brazil	Record daily precipitation	42.3 mm (1.7 in)	33 of 100 (Routine)
Shenkursk	Russia	Record high maximum temperature	17.8 C (64.0 F)	33 of 100 (Routine)
Crescent City 3 NNW	United States	Record high minimum temperature	10.0 C (50.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

903 records

Records set or tied on 12 April 1973 by type: Highest daily maximum 44, Lowest daily maximum 230, Highest daily minimum 69, Lowest daily minimum 201, Heaviest daily rainfall 170, Heaviest daily snowfall 87, Deepest snow cover 102.

Records on 12 April 1973 by type
Record type	Records
Highest daily maximum	44
Lowest daily maximum	230
Highest daily minimum	69
Lowest daily minimum	201
Heaviest daily rainfall	170
Heaviest daily snowfall	87
Deepest snow cover	102

Records on 12 April 1973 by timescale: all-time 0, monthly 47, daily 856.

How Much Records Were Beaten By

737 broken records

Margins by which the 737 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 610.0. Ties are not counted.

Top 20 by Significance

12 April 1973

Top 20 records on 12 April 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 April 1973	Hampton, US	daily snow depth	20.3 cm (8.0 in)	20.3 cm (8.0 in)	79 years	68 of 100 (Major)
12 April 1973	Red Rvr, US	daily snow depth	101.6 cm (40.0 in)	61.0 cm (24.0 in)	59 years	63 of 100 (Major)
12 April 1973	Plauen, DE	daily snow depth	13.0 cm (5.1 in)	11.0 cm (4.3 in)	60 years	61 of 100 (Major)
12 April 1973	Cedar Rapids #1, US	daily snow depth	15.2 cm (6.0 in)	12.7 cm (5.0 in)	48 years	61 of 100 (Major)
12 April 1973	Grinnell 3 SW, US	daily snow depth	30.5 cm (12.0 in)	30.5 cm (12.0 in)	79 years	61 of 100 (Major)
12 April 1973	Viroqua, US	daily snow depth	30.5 cm (12.0 in)	30.5 cm (12.0 in)	42 years	59 of 100 (Notable)
12 April 1973	Sao Francisco Xavier, BR	monthly rain	106.9 mm (4.2 in)	44.2 mm (1.7 in)	11 years	56 of 100 (Notable)
12 April 1973	Ribeirao Corrente, BR	monthly rain	69.9 mm (2.8 in)	31.9 mm (1.3 in)	0 years	53 of 100 (Notable)
12 April 1973	West Bend, US	daily snow depth	17.8 cm (7.0 in)	17.8 cm (7.0 in)	48 years	53 of 100 (Notable)
12 April 1973	Selb/Oberfranken-Wildenau, DE	daily snow depth	20.0 cm (7.9 in)	20.0 cm (7.9 in)	32 years	52 of 100 (Notable)
12 April 1973	Frecheirinha, BR	daily rain	144.8 mm (5.7 in)	84.3 mm (3.3 in)	20 years	50 of 100 (Notable)
12 April 1973	Ellwangen-Rindelbach, DE	daily snow depth	14.0 cm (5.5 in)	13.0 cm (5.1 in)	36 years	50 of 100 (Notable)
12 April 1973	Usina Dourados (Cpfl) B4-003, BR	daily rain	60.1 mm (2.4 in)	42.8 mm (1.7 in)	18 years	49 of 100 (Notable)
12 April 1973	Aracatuba, BR	monthly rain	108.4 mm (4.3 in)	40.4 mm (1.6 in)	24 years	49 of 100 (Notable)
12 April 1973	New Hampton, US	daily snow depth	20.3 cm (8.0 in)	20.3 cm (8.0 in)	75 years	49 of 100 (Notable)
12 April 1973	Aracatiacu, BR	daily rain	97.3 mm (3.8 in)	36.0 mm (1.4 in)	60 years	48 of 100 (Notable)
12 April 1973	Marshalltown, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	79 years	46 of 100 (Notable)
12 April 1973	Oskaloosa, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	79 years	46 of 100 (Notable)
12 April 1973	Vaalpan, ZA	daily rain	42.5 mm (1.7 in)	31.1 mm (1.2 in)	36 years	45 of 100 (Notable)
12 April 1973	Glenville, US	daily snowfall	6.6 cm (2.6 in)	6.6 cm (2.6 in)	76 years	45 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

1793 to 1973

Records set or tied on this calendar date in each year from 1793 to 1973. 1973 had 903 records.

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

Records on 04-12 in each year
Year	Records
1793	1
1805	1
1810	1
1812	2
1817	2
1826	1
1831	1
1845	1
1850	1
1854	1
1865	2
1866	2
1868	4
1869	5
1871	1
1873	1
1874	5
1876	2
1877	1
1878	1
1879	4
1881	1
1882	1
1885	2
1889	4
1890	10
1891	3
1892	2
1893	4
1894	1
1895	1
1896	1
1897	4
1898	4
1899	5
1900	6
1901	5
1902	3
1903	10
1904	11
1905	19
1906	24
1907	5
1908	10
1909	16
1910	15
1911	26
1912	48
1913	88
1914	41
1915	125
1916	37
1917	33
1918	40
1919	39
1920	148
1921	34
1922	48
1923	134
1924	69
1925	178
1926	347
1927	179
1928	145
1929	141
1930	638
1931	267
1932	253
1933	551
1934	531
1935	171
1936	277
1937	236
1938	175
1939	1,174
1940	1,407
1941	869
1942	191
1943	614
1944	423
1945	884
1946	347
1947	733
1948	1,496
1949	358
1950	638
1951	1,102
1952	455
1953	707
1954	424
1955	611
1956	382
1957	910
1958	542
1959	513
1960	314
1961	551
1962	510
1963	518
1964	363
1965	659
1966	520
1967	682
1968	717
1969	352
1970	568
1971	587
1972	1,316
1973	903
1974	822
1975	704
1976	1,076
1977	1,069
1978	533
1979	1,096
1980	611
1981	1,068
1982	852
1983	877
1984	671
1985	734
1986	1,350
1987	606
1988	1,369
1989	1,838
1990	946
1991	1,484
1992	1,000
1993	586
1994	1,375
1995	1,173
1996	994
1997	3,094
1998	1,409
1999	873
2000	784
2001	1,369
2002	600
2003	1,079
2004	964
2005	536
2006	796
2007	1,144
2008	1,015
2009	811
2010	935
2011	1,026
2012	666
2013	1,039
2014	597
2015	504
2016	595
2017	519
2018	868
2019	685
2020	1,150
2021	710
2022	1,862
2023	1,262
2024	1,086
2025	1,281
2026	622

Download the Data

Data for records on 1973-04-12: 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	705
100 to 200	22
200 to 300	7
300 to 400	2
400 to 500	0
500 to 600	0
600 to 700	1