Weather Records on 1 April 1973

680 weather records were set or tied worldwide on 1 April 1973. Highest significance: Chester 1 SE, US.

Key Facts for 1 April 1973

On 1 April 1973, 680 weather records were set or tied at long-record stations worldwide.
138 were record highs and 48 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 35 monthly and 645 daily.
Chester 1 SE set a monthly record daily precipitation of 108.5 mm (4.3 in) on 1 April 1973.
Across 160 earlier years (1803 to 2026) the same calendar date averaged 476 records.

Record Map

680 stations

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

Weather records on 1 April 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chester 1 SE	United States	Record daily precipitation	108.5 mm (4.3 in)	56 of 100 (Notable)
Fazenda Santa Cecilia	Brazil	Record daily precipitation	117.7 mm (4.6 in)	55 of 100 (Notable)
Kimberley Downs	Australia	Record daily precipitation	67.6 mm (2.7 in)	54 of 100 (Notable)
Conceicao Do Rio Verde	Brazil	Record daily precipitation	73.3 mm (2.9 in)	53 of 100 (Notable)
Fayetteville (Pwc)	United States	Record daily precipitation	108.0 mm (4.3 in)	53 of 100 (Notable)
Buritizal	Brazil	Record daily precipitation	114.8 mm (4.5 in)	52 of 100 (Notable)
Nooitgedag	South Africa	Record daily precipitation	58.0 mm (2.3 in)	50 of 100 (Notable)
Alton	United States	Record snow depth	86.4 cm (34.0 in)	48 of 100 (Notable)
Virginia	Brazil	Record daily precipitation	63.2 mm (2.5 in)	47 of 100 (Notable)
Jimba Jimba	Australia	Record daily precipitation	37.6 mm (1.5 in)	45 of 100 (Notable)
Cimarron 4 SW	United States	Record snow depth	25.4 cm (10.0 in)	44 of 100 (Notable)
High Pt	United States	Record daily precipitation	50.5 mm (2.0 in)	44 of 100 (Notable)
Lumberton	United States	Record daily precipitation	81.3 mm (3.2 in)	44 of 100 (Notable)
Syracuse Hancock Intl AP	United States	Record daily precipitation	43.9 mm (1.7 in)	44 of 100 (Notable)
Bairro Alto	Brazil	Record daily precipitation	52.6 mm (2.1 in)	43 of 100 (Notable)
Altastenberg	Germany	Record daily precipitation	26.5 mm (1.0 in)	43 of 100 (Notable)
Quaggasdrift	South Africa	Record daily precipitation	58.0 mm (2.3 in)	43 of 100 (Notable)
New Bedford Coop	United States	Record daily precipitation	58.4 mm (2.3 in)	43 of 100 (Notable)
Cleveland 3S	United States	Record daily precipitation	87.4 mm (3.4 in)	43 of 100 (Notable)
Goldsboro 4 SE	United States	Record daily precipitation	121.9 mm (4.8 in)	43 of 100 (Notable)
Lillhamra	Sweden	Record daily precipitation	26.7 mm (1.1 in)	42 of 100 (Notable)
Ft Valley	United States	Record snow depth	96.5 cm (38.0 in)	42 of 100 (Notable)
Southport 5 N	United States	Record daily precipitation	68.6 mm (2.7 in)	42 of 100 (Notable)
Whiteville	United States	Record daily precipitation	53.3 mm (2.1 in)	42 of 100 (Notable)
Hart Mtn Refuge	United States	Record daily snowfall	17.8 cm (7.0 in)	42 of 100 (Notable)
Pinehurst Sthrn Pines	United States	Record daily precipitation	89.2 mm (3.5 in)	41 of 100 (Notable)
Red Springs 1 SE	United States	Record daily precipitation	81.0 mm (3.2 in)	41 of 100 (Notable)
Caxambu	Brazil	Record daily precipitation	49.0 mm (1.9 in)	40 of 100 (Notable)
Greenville	United States	Record daily precipitation	53.3 mm (2.1 in)	40 of 100 (Notable)
Kinston 7 SE	United States	Record daily precipitation	81.3 mm (3.2 in)	40 of 100 (Notable)
Arco	United States	Record daily snowfall	12.7 cm (5.0 in)	39 of 100 (Notable)
New Holland	United States	Record daily precipitation	87.6 mm (3.4 in)	39 of 100 (Notable)
Walhalla	United States	Record daily precipitation	88.1 mm (3.5 in)	39 of 100 (Notable)
Cumberland	United States	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Black Lake	United States	Record snow depth	30.5 cm (12.0 in)	38 of 100 (Notable)
Wadesboro	United States	Record daily precipitation	95.3 mm (3.8 in)	38 of 100 (Notable)
Beaver	United States	Record daily snowfall	12.7 cm (5.0 in)	38 of 100 (Notable)
Monsenhor Paulo	Brazil	Record daily precipitation	58.2 mm (2.3 in)	37 of 100 (Notable)
Huntingdon	Canada	Record daily precipitation	56.9 mm (2.2 in)	37 of 100 (Notable)
Kleindubbelvlei	South Africa	Record daily precipitation	27.0 mm (1.1 in)	37 of 100 (Notable)
Laurel 3 W	United States	Record daily precipitation	62.5 mm (2.5 in)	37 of 100 (Notable)
Old Forge	United States	Record daily precipitation	37.3 mm (1.5 in)	37 of 100 (Notable)
Enfield	United States	Record daily precipitation	49.0 mm (1.9 in)	37 of 100 (Notable)
White Sulphur Springs	United States	Record high minimum temperature	12.8 C (55.0 F)	37 of 100 (Notable)
Baependi	Brazil	Record daily precipitation	33.7 mm (1.3 in)	36 of 100 (Notable)
Natividade da Serra	Brazil	Record daily precipitation	69.8 mm (2.7 in)	36 of 100 (Notable)
Guthrie Ctr	United States	Record daily precipitation	32.8 mm (1.3 in)	36 of 100 (Notable)
Big Moose 3 SE	United States	Record daily precipitation	45.7 mm (1.8 in)	36 of 100 (Notable)
Scotland Neck	United States	Record daily precipitation	39.6 mm (1.6 in)	36 of 100 (Notable)
Cacapava	Brazil	Record daily precipitation	56.0 mm (2.2 in)	35 of 100 (Notable)
Brockville	Canada	Record daily precipitation	32.3 mm (1.3 in)	35 of 100 (Notable)
Elberton 2 N	United States	Record daily precipitation	77.0 mm (3.0 in)	35 of 100 (Notable)
Rooipoort	South Africa	Record daily precipitation	42.0 mm (1.7 in)	34 of 100 (Routine)
McNary 2N	United States	Record snow depth	38.1 cm (15.0 in)	34 of 100 (Routine)
Corning	United States	Record daily precipitation	40.1 mm (1.6 in)	34 of 100 (Routine)
Hawthorne AP	United States	Record low maximum temperature	8.3 C (46.9 F)	34 of 100 (Routine)
Washington Wwtp 4W	United States	Record daily precipitation	48.3 mm (1.9 in)	34 of 100 (Routine)
Marcus Hook	United States	Record daily precipitation	52.1 mm (2.1 in)	34 of 100 (Routine)
Winthrop UNIV	United States	Record daily precipitation	45.0 mm (1.8 in)	34 of 100 (Routine)
Beeldhouersfontein	South Africa	Record daily precipitation	63.4 mm (2.5 in)	33 of 100 (Routine)

Counts by Type and Timescale

680 records

Records set or tied on 1 April 1973 by type: Highest daily maximum 33, Lowest daily maximum 23, Highest daily minimum 105, Lowest daily minimum 25, Heaviest daily rainfall 453, Heaviest daily snowfall 24, Deepest snow cover 17.

Records on 1 April 1973 by type
Record type	Records
Highest daily maximum	33
Lowest daily maximum	23
Highest daily minimum	105
Lowest daily minimum	25
Heaviest daily rainfall	453
Heaviest daily snowfall	24
Deepest snow cover	17

Records on 1 April 1973 by timescale: all-time 0, monthly 35, daily 645.

How Much Records Were Beaten By

595 broken records

Margins by which the 595 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 356.0. Ties are not counted.

Top 20 by Significance

1 April 1973

Top 20 records on 1 April 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 April 1973	Chester 1 SE, US	monthly rain	108.5 mm (4.3 in)	41.7 mm (1.6 in)	36 years	56 of 100 (Notable)
1 April 1973	Fazenda Santa Cecilia, BR	monthly rain	117.7 mm (4.6 in)	55.7 mm (2.2 in)	7 years	55 of 100 (Notable)
1 April 1973	Kimberley Downs, AU	daily rain	67.6 mm (2.7 in)	46.5 mm (1.8 in)	64 years	54 of 100 (Notable)
1 April 1973	Conceicao Do Rio Verde, BR	monthly rain	73.3 mm (2.9 in)	27.8 mm (1.1 in)	32 years	53 of 100 (Notable)
1 April 1973	Fayetteville (Pwc), US	daily rain	108.0 mm (4.3 in)	64.8 mm (2.6 in)	12 years	53 of 100 (Notable)
1 April 1973	Buritizal, BR	monthly rain	114.8 mm (4.5 in)	35.8 mm (1.4 in)	34 years	52 of 100 (Notable)
1 April 1973	Nooitgedag, ZA	daily rain	58.0 mm (2.3 in)	45.3 mm (1.8 in)	24 years	50 of 100 (Notable)
1 April 1973	Alton, US	monthly snow depth	86.4 cm (34.0 in)	35.6 cm (14.0 in)	23 years	48 of 100 (Notable)
1 April 1973	Virginia, BR	daily rain	63.2 mm (2.5 in)	33.8 mm (1.3 in)	27 years	47 of 100 (Notable)
1 April 1973	Jimba Jimba, AU	daily rain	37.6 mm (1.5 in)	37.1 mm (1.5 in)	2 years	45 of 100 (Notable)
1 April 1973	Cimarron 4 SW, US	monthly snow depth	25.4 cm (10.0 in)	10.2 cm (4.0 in)	57 years	44 of 100 (Notable)
1 April 1973	High Pt, US	daily rain	50.5 mm (2.0 in)	30.4 mm (1.2 in)	42 years	44 of 100 (Notable)
1 April 1973	Lumberton, US	daily rain	81.3 mm (3.2 in)	40.7 mm (1.6 in)	35 years	44 of 100 (Notable)
1 April 1973	Syracuse Hancock Intl AP, US	daily rain	43.9 mm (1.7 in)	25.4 mm (1.0 in)	11 years	44 of 100 (Notable)
1 April 1973	Bairro Alto, BR	daily rain	52.6 mm (2.1 in)	31.2 mm (1.2 in)	4 years	43 of 100 (Notable)
1 April 1973	Altastenberg, DE	daily rain	26.5 mm (1.0 in)	7.6 mm (0.30 in)	75 years	43 of 100 (Notable)
1 April 1973	Quaggasdrift, ZA	daily rain	58.0 mm (2.3 in)	35.9 mm (1.4 in)	24 years	43 of 100 (Notable)
1 April 1973	New Bedford Coop, US	daily rain	58.4 mm (2.3 in)	18.8 mm (0.7 in)	68 years	43 of 100 (Notable)
1 April 1973	Cleveland 3S, US	daily rain	87.4 mm (3.4 in)	56.9 mm (2.2 in)	19 years	43 of 100 (Notable)
1 April 1973	Goldsboro 4 SE, US	monthly rain	121.9 mm (4.8 in)	20.0 mm (0.8 in)	34 years	43 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

1803 to 1973

Records set or tied on this calendar date in each year from 1803 to 1973. 1973 had 680 records.

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

Records on 04-01 in each year
Year	Records
1803	1
1805	1
1808	1
1813	1
1815	3
1819	1
1830	2
1847	2
1848	1
1850	1
1855	3
1856	1
1861	2
1862	2
1865	1
1869	2
1872	1
1873	1
1874	2
1876	1
1878	3
1879	2
1881	1
1885	1
1887	2
1888	2
1889	2
1891	5
1892	1
1893	2
1896	4
1897	5
1898	3
1899	4
1900	4
1901	4
1902	4
1903	12
1904	29
1905	10
1906	7
1907	24
1908	5
1909	13
1910	26
1911	27
1912	31
1913	35
1914	37
1915	25
1916	35
1917	80
1918	51
1919	165
1920	65
1921	46
1922	98
1923	319
1924	257
1925	111
1926	234
1927	326
1928	194
1929	336
1930	153
1931	846
1932	292
1933	188
1934	153
1935	424
1936	1,248
1937	192
1938	461
1939	226
1940	840
1941	285
1942	209
1943	319
1944	266
1945	880
1946	1,172
1947	390
1948	590
1949	308
1950	455
1951	406
1952	419
1953	249
1954	493
1955	288
1956	744
1957	314
1958	535
1959	821
1960	295
1961	496
1962	652
1963	1,123
1964	951
1965	678
1966	689
1967	928
1968	377
1969	611
1970	894
1971	384
1972	510
1973	680
1974	894
1975	1,806
1976	767
1977	524
1978	1,013
1979	738
1980	797
1981	1,115
1982	884
1983	643
1984	662
1985	826
1986	982
1987	1,762
1988	1,259
1989	1,098
1990	952
1991	693
1992	981
1993	783
1994	739
1995	1,056
1996	996
1997	1,255
1998	1,703
1999	1,341
2000	690
2001	575
2002	985
2003	1,366
2004	926
2005	1,086
2006	929
2007	963
2008	1,457
2009	846
2010	1,022
2011	1,105
2012	1,327
2013	719
2014	657
2015	606
2016	842
2017	792
2018	870
2019	674
2020	719
2021	790
2022	853
2023	1,069
2024	788
2025	779
2026	1,042

Download the Data

Data for records on 1973-04-01: 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	576
50 to 100	11
100 to 150	5
150 to 200	0
200 to 250	1
250 to 300	0
300 to 350	1
350 to 400	1