Weather Records on 20 April 1993

772 weather records were set or tied worldwide on 20 April 1993. Highest significance: Albert Lea 3SE, US.

Key Facts for 20 April 1993

On 20 April 1993, 772 weather records were set or tied at long-record stations worldwide.
187 were record highs and 147 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 26 monthly and 743 daily.
Albert Lea 3SE set a daily record precipitation of 66.0 mm (2.6 in) on 20 April 1993.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 460 records.

Record Map

772 stations

772 station records on 20 April 1993 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 1993: highest significance records shown on the map
Station	Country	Type	Value	Significance
Albert Lea 3SE	United States	Record daily precipitation	66.0 mm (2.6 in)	73 of 100 (Major)
Northwood	United States	Record daily snowfall	12.7 cm (5.0 in)	64 of 100 (Major)
Williamsburg 1E	United States	Record daily precipitation	70.6 mm (2.8 in)	64 of 100 (Major)
Gull Lake Biological STN	United States	Record daily precipitation	68.6 mm (2.7 in)	64 of 100 (Major)
Saginaw #3	United States	Record daily precipitation	47.0 mm (1.9 in)	61 of 100 (Major)
Baraboo Wwtp	United States	Record daily snowfall	12.7 cm (5.0 in)	60 of 100 (Major)
Oconomowoc Wwtp	United States	Record daily precipitation	49.0 mm (1.9 in)	60 of 100 (Major)
Mason City	United States	Record daily snowfall	7.6 cm (3.0 in)	58 of 100 (Notable)
Frankfort 2NE	United States	Record daily snowfall	10.2 cm (4.0 in)	57 of 100 (Notable)
Curtis	United States	Record daily snowfall	12.7 cm (5.0 in)	57 of 100 (Notable)
Kyrylivka	Ukraine	Record daily precipitation	99.1 mm (3.9 in)	55 of 100 (Notable)
Gaylord	United States	Record daily snowfall	25.4 cm (10.0 in)	55 of 100 (Notable)
Mauston 1 SE	United States	Record daily snowfall	12.7 cm (5.0 in)	55 of 100 (Notable)
El Salto (Cfe)	Mexico	Record daily precipitation	104.9 mm (4.1 in)	54 of 100 (Notable)
Estherville 4E	United States	Record daily snowfall	7.6 cm (3.0 in)	54 of 100 (Notable)
Decorah	United States	Record daily snowfall	7.6 cm (3.0 in)	53 of 100 (Notable)
Dumont	United States	Record snow depth	10.2 cm (4.0 in)	53 of 100 (Notable)
Holland Wtp	United States	Record daily precipitation	60.2 mm (2.4 in)	53 of 100 (Notable)
Hilland 2 NW	United States	Record daily snowfall	12.7 cm (5.0 in)	53 of 100 (Notable)
Watertown Wwtp	United States	Record daily precipitation	40.6 mm (1.6 in)	53 of 100 (Notable)
Manistee 3SE	United States	Record daily precipitation	46.2 mm (1.8 in)	52 of 100 (Notable)
Chilton	United States	Record daily snowfall	7.6 cm (3.0 in)	52 of 100 (Notable)
Whitewater Wwtp	United States	Record daily precipitation	62.5 mm (2.5 in)	52 of 100 (Notable)
Estherville 4E	United States	Record daily precipitation	53.3 mm (2.1 in)	51 of 100 (Notable)
Northwood	United States	Record snow depth	12.7 cm (5.0 in)	51 of 100 (Notable)
Gaylord	United States	Record snow depth	20.3 cm (8.0 in)	51 of 100 (Notable)
Lake City Exp Farm	United States	Record daily precipitation	37.3 mm (1.5 in)	51 of 100 (Notable)
Fond du Lac Wwtp	United States	Record daily snowfall	8.9 cm (3.5 in)	51 of 100 (Notable)
Kewaunee	United States	Record daily snowfall	7.6 cm (3.0 in)	51 of 100 (Notable)
New Hampton	United States	Record daily snowfall	6.4 cm (2.5 in)	50 of 100 (Notable)
Frankfort 2NE	United States	Record snow depth	10.2 cm (4.0 in)	50 of 100 (Notable)
S Haven	United States	Record daily precipitation	61.5 mm (2.4 in)	50 of 100 (Notable)
Viroqua	United States	Record daily snowfall	6.4 cm (2.5 in)	50 of 100 (Notable)
Elkader 6 SSW	United States	Record daily snowfall	5.1 cm (2.0 in)	49 of 100 (Notable)
Emmetsburg	United States	Record daily precipitation	58.7 mm (2.3 in)	49 of 100 (Notable)
Hampton	United States	Record daily snowfall	5.1 cm (2.0 in)	49 of 100 (Notable)
Saint Charles	United States	Record daily precipitation	45.7 mm (1.8 in)	49 of 100 (Notable)
Cold Bay AP	United States	Record daily precipitation	54.9 mm (2.2 in)	49 of 100 (Notable)
Blue Earth	United States	Record daily precipitation	58.4 mm (2.3 in)	48 of 100 (Notable)
Baraboo Wwtp	United States	Record daily precipitation	77.5 mm (3.1 in)	48 of 100 (Notable)
Britt 3E	United States	Record daily snowfall	5.1 cm (2.0 in)	47 of 100 (Notable)
Forest City 2 NNE	United States	Record daily snowfall	5.1 cm (2.0 in)	47 of 100 (Notable)
Lake Park 3SSE	United States	Record daily precipitation	46.2 mm (1.8 in)	47 of 100 (Notable)
Sanborn	United States	Record daily precipitation	52.8 mm (2.1 in)	47 of 100 (Notable)
Spring Grove	United States	Record daily snowfall	12.7 cm (5.0 in)	47 of 100 (Notable)
Mullen 21 NW	United States	Record daily snowfall	38.1 cm (15.0 in)	47 of 100 (Notable)
Burlington Wwtp	United States	Record daily precipitation	52.1 mm (2.1 in)	47 of 100 (Notable)
Richland Ctr	United States	Record snow depth	10.2 cm (4.0 in)	47 of 100 (Notable)
Caro Wwtp	United States	Record daily precipitation	38.4 mm (1.5 in)	46 of 100 (Notable)
N Platte Exp Farm	United States	Record daily snowfall	12.7 cm (5.0 in)	46 of 100 (Notable)
Dalton	United States	Record daily snowfall	14.0 cm (5.5 in)	46 of 100 (Notable)
Ft Atkinson Wwtp	United States	Record daily precipitation	50.3 mm (2.0 in)	46 of 100 (Notable)
Ft Dodge 5NNW	United States	Record daily precipitation	56.9 mm (2.2 in)	45 of 100 (Notable)
Storm Lake	United States	Record daily precipitation	51.1 mm (2.0 in)	45 of 100 (Notable)
Union Grove Wwtp	United States	Record daily precipitation	52.1 mm (2.1 in)	45 of 100 (Notable)
Waupaca	United States	Record daily snowfall	5.1 cm (2.0 in)	45 of 100 (Notable)
Temamatla	Mexico	Record daily precipitation	162.6 mm (6.4 in)	44 of 100 (Notable)
Marengo	United States	Record daily precipitation	49.3 mm (1.9 in)	44 of 100 (Notable)
Le Mars	United States	Record daily precipitation	46.5 mm (1.8 in)	44 of 100 (Notable)
Boyne Falls	United States	Record daily snowfall	14.0 cm (5.5 in)	44 of 100 (Notable)

Counts by Type and Timescale

772 records

Records set or tied on 20 April 1993 by type: Highest daily maximum 83, Lowest daily maximum 73, Highest daily minimum 104, Lowest daily minimum 74, Heaviest daily rainfall 230, Heaviest daily snowfall 111, Deepest snow cover 97.

Records on 20 April 1993 by type
Record type	Records
Highest daily maximum	83
Lowest daily maximum	73
Highest daily minimum	104
Lowest daily minimum	74
Heaviest daily rainfall	230
Heaviest daily snowfall	111
Deepest snow cover	97

Records on 20 April 1993 by timescale: all-time 3, monthly 26, daily 743.

How Much Records Were Beaten By

635 broken records

Margins by which the 635 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 410.0. Ties are not counted.

Top 20 by Significance

20 April 1993

Top 20 records on 20 April 1993 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 1993	Albert Lea 3SE, US	daily rain	66.0 mm (2.6 in)	40.6 mm (1.6 in)	76 years	73 of 100 (Major)
20 April 1993	Northwood, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	96 years	64 of 100 (Major)
20 April 1993	Williamsburg 1E, US	daily rain	70.6 mm (2.8 in)	38.1 mm (1.5 in)	66 years	64 of 100 (Major)
20 April 1993	Gull Lake Biological STN, US	daily rain	68.6 mm (2.7 in)	34.8 mm (1.4 in)	64 years	64 of 100 (Major)
20 April 1993	Saginaw #3, US	monthly rain	47.0 mm (1.9 in)	14.7 mm (0.6 in)	68 years	61 of 100 (Major)
20 April 1993	Baraboo Wwtp, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	79 years	60 of 100 (Major)
20 April 1993	Oconomowoc Wwtp, US	daily rain	49.0 mm (1.9 in)	18.5 mm (0.7 in)	99 years	60 of 100 (Major)
20 April 1993	Mason City, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	96 years	58 of 100 (Notable)
20 April 1993	Frankfort 2NE, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	93 years	57 of 100 (Notable)
20 April 1993	Curtis, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	95 years	57 of 100 (Notable)
20 April 1993	Kyrylivka, UA	monthly rain	99.1 mm (3.9 in)	64.3 mm (2.5 in)	2 years	55 of 100 (Notable)
20 April 1993	Gaylord, US	daily snowfall	25.4 cm (10.0 in)	12.7 cm (5.0 in)	68 years	55 of 100 (Notable)
20 April 1993	Mauston 1 SE, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	88 years	55 of 100 (Notable)
20 April 1993	El Salto (Cfe), MX	daily rain	104.9 mm (4.1 in)	70.6 mm (2.8 in)	36 years	54 of 100 (Notable)
20 April 1993	Estherville 4E, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	97 years	54 of 100 (Notable)
20 April 1993	Decorah, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	93 years	53 of 100 (Notable)
20 April 1993	Dumont, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	58 years	53 of 100 (Notable)
20 April 1993	Holland Wtp, US	daily rain	60.2 mm (2.4 in)	23.4 mm (0.9 in)	64 years	53 of 100 (Notable)
20 April 1993	Hilland 2 NW, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	84 years	53 of 100 (Notable)
20 April 1993	Watertown Wwtp, US	daily rain	40.6 mm (1.6 in)	11.4 mm (0.4 in)	99 years	53 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

1807 to 1993

Records set or tied on this calendar date in each year from 1807 to 1993. 1993 had 772 records.

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

Records on 04-20 in each year
Year	Records
1807	3
1817	1
1838	1
1849	2
1851	1
1852	4
1854	1
1858	1
1860	1
1864	1
1865	3
1868	1
1869	1
1870	1
1872	1
1874	3
1875	4
1876	1
1878	2
1880	2
1881	2
1884	1
1885	1
1886	2
1889	1
1891	2
1892	1
1893	6
1894	8
1895	7
1896	3
1897	6
1898	1
1899	1
1901	8
1902	3
1903	14
1904	31
1905	9
1906	12
1907	18
1908	14
1909	22
1910	25
1911	18
1912	12
1913	19
1914	46
1915	45
1916	19
1917	33
1918	42
1919	17
1920	49
1921	27
1922	40
1923	157
1924	113
1925	169
1926	310
1927	442
1928	212
1929	182
1930	87
1931	255
1932	166
1933	279
1934	384
1935	384
1936	311
1937	427
1938	339
1939	158
1940	519
1941	558
1942	223
1943	670
1944	304
1945	391
1946	395
1947	308
1948	493
1949	477
1950	329
1951	690
1952	552
1953	1,071
1954	377
1955	623
1956	384
1957	730
1958	327
1959	563
1960	472
1961	1,078
1962	487
1963	595
1964	749
1965	724
1966	1,174
1967	864
1968	975
1969	382
1970	948
1971	765
1972	531
1973	982
1974	673
1975	344
1976	661
1977	693
1978	800
1979	495
1980	1,539
1981	706
1982	906
1983	1,844
1984	922
1985	1,140
1986	770
1987	1,447
1988	1,144
1989	1,187
1990	1,495
1991	1,075
1992	1,009
1993	772
1994	756
1995	1,351
1996	970
1997	833
1998	1,490
1999	674
2000	931
2001	752
2002	1,081
2003	758
2004	567
2005	707
2006	859
2007	582
2008	1,110
2009	845
2010	693
2011	1,477
2012	726
2013	1,520
2014	384
2015	702
2016	650
2017	734
2018	1,309
2019	1,019
2020	449
2021	1,215
2022	596
2023	828
2024	673
2025	836
2026	533

Download the Data

Data for records on 1993-04-20: 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).

Histogram of margins by which records were beaten on 20 April 1993
Margin	Records
0 to 100	595
100 to 200	33
200 to 300	4
300 to 400	2
400 to 500	1