Weather Records on 1 April 1993

783 weather records were set or tied worldwide on 1 April 1993. Highest significance: Belfast, US.

Key Facts for 1 April 1993

On 1 April 1993, 783 weather records were set or tied at long-record stations worldwide.
190 were record highs and 175 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 29 monthly and 753 daily.
Belfast set a daily record snowfall of 15.2 cm (6.0 in) on 1 April 1993.
Across 160 earlier years (1803 to 2026) the same calendar date averaged 475 records.

Record Map

783 stations

783 station records on 1 April 1993 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 April 1993: highest significance records shown on the map
Station	Country	Type	Value	Significance
Belfast	United States	Record daily snowfall	15.2 cm (6.0 in)	60 of 100 (Major)
Wisley	United Kingdom	Record daily precipitation	28.0 mm (1.1 in)	59 of 100 (Notable)
Ann Arbor U of Mich	United States	Record snow depth	12.7 cm (5.0 in)	59 of 100 (Notable)
Newburyport	United States	Record snow depth	22.9 cm (9.0 in)	54 of 100 (Notable)
Ann Arbor U of Mich	United States	Record daily snowfall	13.0 cm (5.1 in)	49 of 100 (Notable)
Marseille Obs. Palais-Lonchamp	France	Record daily precipitation	42.4 mm (1.7 in)	47 of 100 (Notable)
Beloit	United States	Record daily precipitation	31.5 mm (1.2 in)	47 of 100 (Notable)
Zevenfontein	South Africa	Record daily precipitation	41.0 mm (1.6 in)	45 of 100 (Notable)
Blue Mounds 6 SSE	United States	Record daily precipitation	53.6 mm (2.1 in)	45 of 100 (Notable)
Fazenda N.S.Aparecida	Brazil	Record daily precipitation	130.0 mm (5.1 in)	44 of 100 (Notable)
Ipswich	United States	Record snow depth	12.7 cm (5.0 in)	44 of 100 (Notable)
Portland Jetport	United States	Record daily snowfall	26.9 cm (10.6 in)	44 of 100 (Notable)
Sao Manuel	Brazil	Record daily precipitation	69.7 mm (2.7 in)	43 of 100 (Notable)
Mauston 1 SE	United States	Record daily snowfall	15.2 cm (6.0 in)	43 of 100 (Notable)
Concord ASOS	United States	Record daily snowfall	14.5 cm (5.7 in)	43 of 100 (Notable)
Baraboo Wwtp	United States	Record daily snowfall	15.2 cm (6.0 in)	42 of 100 (Notable)
Paoli	United States	Record daily precipitation	38.9 mm (1.5 in)	41 of 100 (Notable)
Mendonca	Brazil	Record daily precipitation	56.3 mm (2.2 in)	40 of 100 (Notable)
Auburn	United States	Record snow depth	35.6 cm (14.0 in)	40 of 100 (Notable)
Beaver Dam Wwtp	United States	Record low maximum temperature	0.6 C (33.1 F)	40 of 100 (Notable)
Muscoda	United States	Record daily precipitation	28.2 mm (1.1 in)	40 of 100 (Notable)
Alpena Wwtp	United States	Record daily precipitation	34.0 mm (1.3 in)	40 of 100 (Notable)
Waukegan	United States	Record daily precipitation	46.5 mm (1.8 in)	39 of 100 (Notable)
Gravette	United States	Record low maximum temperature	6.1 C (43.0 F)	38 of 100 (Notable)
Richland Ctr	United States	Record daily precipitation	31.8 mm (1.3 in)	38 of 100 (Notable)
Myakka Rvr Sp	United States	Record daily precipitation	101.6 mm (4.0 in)	37 of 100 (Notable)
Willow Sprg Radio Kuku	United States	Record low maximum temperature	5.6 C (42.1 F)	37 of 100 (Notable)
Elyria 3 E	United States	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Tahlequah	United States	Record low maximum temperature	8.9 C (48.0 F)	37 of 100 (Notable)
Potirendaba	Brazil	Record daily precipitation	41.3 mm (1.6 in)	36 of 100 (Notable)
Oriente	Brazil	Record daily precipitation	65.0 mm (2.6 in)	36 of 100 (Notable)
Brunswick NAS	United States	Record daily snowfall	23.9 cm (9.4 in)	36 of 100 (Notable)
Sandusky	United States	Record daily precipitation	25.1 mm (1.0 in)	36 of 100 (Notable)
Espita	Mexico	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Lansing	United States	Record daily precipitation	29.5 mm (1.2 in)	35 of 100 (Notable)
Adrian 2 NNE	United States	Record daily snowfall	6.4 cm (2.5 in)	35 of 100 (Notable)
Millington 3 SE	United States	Record daily snowfall	10.4 cm (4.1 in)	35 of 100 (Notable)
Van Wert 1 S	United States	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Ft Atkinson Wwtp	United States	Record daily precipitation	36.8 mm (1.4 in)	35 of 100 (Notable)
Stoughton Wwtp	United States	Record daily precipitation	34.3 mm (1.4 in)	35 of 100 (Notable)
Fernandopolis	Brazil	Record daily precipitation	51.8 mm (2.0 in)	34 of 100 (Routine)
Avon Park 2 W	United States	Record daily precipitation	37.8 mm (1.5 in)	34 of 100 (Routine)
Winter Haven	United States	Record daily precipitation	59.2 mm (2.3 in)	34 of 100 (Routine)
Bloomington Wtr Wks	United States	Record daily precipitation	55.6 mm (2.2 in)	34 of 100 (Routine)
Chambersburg 1 ESE	United States	Record daily precipitation	37.8 mm (1.5 in)	34 of 100 (Routine)
Ashburnham	United States	Record daily snowfall	9.4 cm (3.7 in)	33 of 100 (Routine)
Grafton	United States	Record daily snowfall	12.7 cm (5.0 in)	33 of 100 (Routine)
Illahe	United States	Record daily precipitation	76.2 mm (3.0 in)	33 of 100 (Routine)
Arlington	United States	Record daily snowfall	12.7 cm (5.0 in)	33 of 100 (Routine)
Monte Azul Paulista	Brazil	Record daily precipitation	60.4 mm (2.4 in)	32 of 100 (Routine)
Paraiso	Brazil	Record daily precipitation	73.4 mm (2.9 in)	32 of 100 (Routine)
Chetumal (Dge)	Mexico	Record daily precipitation	42.2 mm (1.7 in)	32 of 100 (Routine)
Eureka Springs 3 WNW	United States	Record low maximum temperature	5.6 C (42.1 F)	32 of 100 (Routine)
Evening Shade 1 NNE	United States	Record low maximum temperature	10.6 C (51.1 F)	32 of 100 (Routine)
Gilbert	United States	Record low maximum temperature	6.1 C (43.0 F)	32 of 100 (Routine)
Crescent City 3 NNW	United States	Record daily precipitation	46.0 mm (1.8 in)	32 of 100 (Routine)
Mtn Lake	United States	Record daily precipitation	45.7 mm (1.8 in)	32 of 100 (Routine)
Port Washington	United States	Record snow depth	17.8 cm (7.0 in)	32 of 100 (Routine)
Union Grove Wwtp	United States	Record daily precipitation	31.8 mm (1.3 in)	32 of 100 (Routine)
Baraboo Wwtp	United States	Record snow depth	15.2 cm (6.0 in)	31 of 100 (Routine)

Counts by Type and Timescale

783 records

Records set or tied on 1 April 1993 by type: Highest daily maximum 97, Lowest daily maximum 126, Highest daily minimum 93, Lowest daily minimum 49, Heaviest daily rainfall 253, Heaviest daily snowfall 112, Deepest snow cover 53.

Records on 1 April 1993 by type
Record type	Records
Highest daily maximum	97
Lowest daily maximum	126
Highest daily minimum	93
Lowest daily minimum	49
Heaviest daily rainfall	253
Heaviest daily snowfall	112
Deepest snow cover	53

Records on 1 April 1993 by timescale: all-time 1, monthly 29, daily 753.

How Much Records Were Beaten By

619 broken records

Margins by which the 619 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 220.0. Ties are not counted.

Top 20 by Significance

1 April 1993

Top 20 records on 1 April 1993 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 April 1993	Belfast, US	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	88 years	60 of 100 (Major)
1 April 1993	Wisley, GB	daily rain	28.0 mm (1.1 in)	14.0 mm (0.6 in)	52 years	59 of 100 (Notable)
1 April 1993	Ann Arbor U of Mich, US	daily snow depth	12.7 cm (5.0 in)	7.6 cm (3.0 in)	93 years	59 of 100 (Notable)
1 April 1993	Newburyport, US	monthly snow depth	22.9 cm (9.0 in)	12.7 cm (5.0 in)	81 years	54 of 100 (Notable)
1 April 1993	Ann Arbor U of Mich, US	daily snowfall	13.0 cm (5.1 in)	5.9 cm (2.3 in)	68 years	49 of 100 (Notable)
1 April 1993	Marseille Obs. Palais-Lonchamp, FR	daily rain	42.4 mm (1.7 in)	24.1 mm (0.9 in)	36 years	47 of 100 (Notable)
1 April 1993	Beloit, US	daily rain	31.5 mm (1.2 in)	18.3 mm (0.7 in)	64 years	47 of 100 (Notable)
1 April 1993	Zevenfontein, ZA	daily rain	41.0 mm (1.6 in)	19.4 mm (0.8 in)	64 years	45 of 100 (Notable)
1 April 1993	Blue Mounds 6 SSE, US	daily rain	53.6 mm (2.1 in)	46.2 mm (1.8 in)	7 years	45 of 100 (Notable)
1 April 1993	Fazenda N.S.Aparecida, BR	daily rain	130.0 mm (5.1 in)	58.8 mm (2.3 in)	20 years	44 of 100 (Notable)
1 April 1993	Ipswich, US	monthly snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	55 years	44 of 100 (Notable)
1 April 1993	Portland Jetport, US	daily snowfall	26.9 cm (10.6 in)	21.3 cm (8.4 in)	8 years	44 of 100 (Notable)
1 April 1993	Sao Manuel, BR	daily rain	69.7 mm (2.7 in)	33.4 mm (1.3 in)	52 years	43 of 100 (Notable)
1 April 1993	Mauston 1 SE, US	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	64 years	43 of 100 (Notable)
1 April 1993	Concord ASOS, US	daily snowfall	14.5 cm (5.7 in)	12.5 cm (4.9 in)	51 years	43 of 100 (Notable)
1 April 1993	Baraboo Wwtp, US	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	18 years	42 of 100 (Notable)
1 April 1993	Paoli, US	daily rain	38.9 mm (1.5 in)	13.2 mm (0.5 in)	68 years	41 of 100 (Notable)
1 April 1993	Mendonca, BR	daily rain	56.3 mm (2.2 in)	40.3 mm (1.6 in)	36 years	40 of 100 (Notable)
1 April 1993	Auburn, US	daily snow depth	35.6 cm (14.0 in)	17.8 cm (7.0 in)	31 years	40 of 100 (Notable)
1 April 1993	Beaver Dam Wwtp, US	daily low max	0.6 C (33.1 F)	1.1 C (2.0 F)	97 years	40 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 1993

Records set or tied on this calendar date in each year from 1803 to 1993. 1993 had 783 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 1993-04-01: 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	582
50 to 100	23
100 to 150	10
150 to 200	2
200 to 250	2