Weather Records on 21 May 1993

1,197 weather records were set or tied worldwide on 21 May 1993. Highest significance: Ueckermunde, DE.

Key Facts for 21 May 1993

On 21 May 1993, 1,197 weather records were set or tied at long-record stations worldwide.
468 were record highs and 555 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 33 monthly and 1,162 daily.
Ueckermunde set a daily record precipitation of 35.2 mm (1.4 in) on 21 May 1993.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 456 records.

Record Map

1,197 stations

1,197 station records on 21 May 1993 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 May 1993: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ueckermunde	Germany	Record daily precipitation	35.2 mm (1.4 in)	75 of 100 (Major)
Doberlug-Kirchhain	Germany	Record daily precipitation	46.3 mm (1.8 in)	66 of 100 (Major)
Jena Sternwarte	Germany	Record daily precipitation	30.1 mm (1.2 in)	63 of 100 (Major)
Leipzig-Holzhausen	Germany	Record daily precipitation	31.9 mm (1.3 in)	63 of 100 (Major)
Bernburg/Saale (Nord)	Germany	Record daily precipitation	29.0 mm (1.1 in)	61 of 100 (Major)
Hildesheim	Germany	Record daily precipitation	34.8 mm (1.4 in)	60 of 100 (Major)
Kailua 446	United States	Record daily precipitation	91.4 mm (3.6 in)	60 of 100 (Major)
Magdeburg	Germany	Record daily precipitation	33.0 mm (1.3 in)	58 of 100 (Notable)
Luchow	Germany	Record daily precipitation	32.8 mm (1.3 in)	58 of 100 (Notable)
Tian-Shan	Kyrgyzstan	Record daily precipitation	25.9 mm (1.0 in)	58 of 100 (Notable)
Genthin	Germany	Record daily precipitation	33.6 mm (1.3 in)	56 of 100 (Notable)
Braunschweig-Gliesmarode	Germany	Record daily precipitation	35.0 mm (1.4 in)	56 of 100 (Notable)
McGaffey 5 SE	United States	Record daily precipitation	53.3 mm (2.1 in)	55 of 100 (Notable)
Hana AP 355	United States	Record daily precipitation	170.9 mm (6.7 in)	54 of 100 (Notable)
Tekax de Alvaro Obregon	Mexico	Record low minimum temperature	10.6 C (51.1 F)	53 of 100 (Notable)
Zeitz	Germany	Record daily precipitation	34.4 mm (1.4 in)	50 of 100 (Notable)
Berlin-Tegel	Germany	Record daily precipitation	38.9 mm (1.5 in)	49 of 100 (Notable)
Salzwedel	Germany	Record daily precipitation	29.0 mm (1.1 in)	49 of 100 (Notable)
Weissenfels	Germany	Record daily precipitation	33.8 mm (1.3 in)	49 of 100 (Notable)
Leipzig-Schkeuditz	Germany	Record daily precipitation	28.5 mm (1.1 in)	48 of 100 (Notable)
Merida Centro	Mexico	Record low minimum temperature	11.7 C (53.1 F)	46 of 100 (Notable)
Bad Kosen	Germany	Record daily precipitation	27.0 mm (1.1 in)	45 of 100 (Notable)
Braunschweig	Germany	Record daily precipitation	32.7 mm (1.3 in)	45 of 100 (Notable)
Clausthal-Zellerfeld	Germany	Record daily precipitation	28.2 mm (1.1 in)	45 of 100 (Notable)
Moran 5WNW	United States	Record daily precipitation	26.7 mm (1.1 in)	45 of 100 (Notable)
Oestersund-Froesoen	Sweden	Record high minimum temperature	12.7 C (54.9 F)	44 of 100 (Notable)
Halmstad	Sweden	Record high maximum temperature	28.8 C (83.8 F)	44 of 100 (Notable)
Oksoey Fyr	Norway	Record high minimum temperature	15.2 C (59.4 F)	43 of 100 (Notable)
Perm	Russia	Record daily precipitation	30.3 mm (1.2 in)	43 of 100 (Notable)
Karlshamn	Sweden	Record high minimum temperature	15.0 C (59.0 F)	43 of 100 (Notable)
Elsinore	United States	Record high minimum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Camilla 3SE	United States	Record low maximum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Dresden-Hosterwitz	Germany	Record daily precipitation	29.1 mm (1.1 in)	41 of 100 (Notable)
Bad Frankenhausen/Kyffhauser	Germany	Record daily precipitation	27.4 mm (1.1 in)	41 of 100 (Notable)
Anklam	Germany	Record daily precipitation	32.2 mm (1.3 in)	41 of 100 (Notable)
Elkader 6 SSW	United States	Record low minimum temperature	0.0 C (32.0 F)	41 of 100 (Notable)
Highlands	United States	Record low minimum temperature	-1.1 C (30.0 F)	41 of 100 (Notable)
Marshall	United States	Record low minimum temperature	1.7 C (35.1 F)	41 of 100 (Notable)
Asheville	United States	Record low minimum temperature	2.8 C (37.0 F)	41 of 100 (Notable)
Tranebjerg	Denmark	Record high minimum temperature	13.2 C (55.8 F)	40 of 100 (Notable)
Rossared	Sweden	Record daily precipitation	36.5 mm (1.4 in)	40 of 100 (Notable)
Rocky Mt	United States	Record low minimum temperature	3.9 C (39.0 F)	40 of 100 (Notable)
Gera-Leumnitz	Germany	Record daily precipitation	26.4 mm (1.0 in)	39 of 100 (Notable)
Wolfsburg (Sudwest)	Germany	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Mt Vernon 3 NE	United States	Record low maximum temperature	16.7 C (62.1 F)	39 of 100 (Notable)
Garsebach Bei Meissen	Germany	Record daily precipitation	27.5 mm (1.1 in)	38 of 100 (Notable)
Faerder Fyr	Norway	Record high minimum temperature	15.8 C (60.4 F)	38 of 100 (Notable)
Hartwell	United States	Record low maximum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Newnan 7 WNW	United States	Record low maximum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
Mt Airy 2 W	United States	Record low minimum temperature	3.3 C (37.9 F)	38 of 100 (Notable)
Greeneville Exp STN	United States	Record low minimum temperature	2.8 C (37.0 F)	38 of 100 (Notable)
Spencer	United States	Record low minimum temperature	-2.2 C (28.0 F)	38 of 100 (Notable)
Gardelegen	Germany	Record daily precipitation	37.9 mm (1.5 in)	37 of 100 (Notable)
Rogersville 1 NE	United States	Record low maximum temperature	16.1 C (61.0 F)	37 of 100 (Notable)
Staunton Wtp	United States	Record low minimum temperature	0.6 C (33.1 F)	37 of 100 (Notable)
Altgeringswalde	Germany	Record daily precipitation	33.1 mm (1.3 in)	36 of 100 (Notable)
Artern	Germany	Record daily precipitation	36.3 mm (1.4 in)	36 of 100 (Notable)
Helena	United States	Record low maximum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Polson	United States	Record high minimum temperature	19.4 C (66.9 F)	36 of 100 (Notable)
Lexington	United States	Record low minimum temperature	5.6 C (42.1 F)	36 of 100 (Notable)

Counts by Type and Timescale

1,197 records

Records set or tied on 21 May 1993 by type: Highest daily maximum 200, Lowest daily maximum 206, Highest daily minimum 268, Lowest daily minimum 349, Heaviest daily rainfall 174.

Records on 21 May 1993 by type
Record type	Records
Highest daily maximum	200
Lowest daily maximum	206
Highest daily minimum	268
Lowest daily minimum	349
Heaviest daily rainfall	174
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 May 1993 by timescale: all-time 2, monthly 33, daily 1,162.

How Much Records Were Beaten By

932 broken records

Margins by which the 932 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 70.1. Ties are not counted.

Top 20 by Significance

21 May 1993

Top 20 records on 21 May 1993 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 May 1993	Ueckermunde, DE	daily rain	35.2 mm (1.4 in)	20.0 mm (0.8 in)	86 years	75 of 100 (Major)
21 May 1993	Doberlug-Kirchhain, DE	monthly rain	46.3 mm (1.8 in)	14.8 mm (0.6 in)	60 years	66 of 100 (Major)
21 May 1993	Jena Sternwarte, DE	daily rain	30.1 mm (1.2 in)	15.1 mm (0.6 in)	87 years	63 of 100 (Major)
21 May 1993	Leipzig-Holzhausen, DE	daily rain	31.9 mm (1.3 in)	14.2 mm (0.6 in)	123 years	63 of 100 (Major)
21 May 1993	Bernburg/Saale (Nord), DE	daily rain	29.0 mm (1.1 in)	14.0 mm (0.6 in)	84 years	61 of 100 (Major)
21 May 1993	Hildesheim, DE	daily rain	34.8 mm (1.4 in)	25.0 mm (1.0 in)	48 years	60 of 100 (Major)
21 May 1993	Kailua 446, US	daily rain	91.4 mm (3.6 in)	67.8 mm (2.7 in)	43 years	60 of 100 (Major)
21 May 1993	Magdeburg, DE	daily rain	33.0 mm (1.3 in)	16.1 mm (0.6 in)	55 years	58 of 100 (Notable)
21 May 1993	Luchow, DE	daily rain	32.8 mm (1.3 in)	20.3 mm (0.8 in)	40 years	58 of 100 (Notable)
21 May 1993	Tian-Shan, KG	daily rain	25.9 mm (1.0 in)	15.1 mm (0.6 in)	40 years	58 of 100 (Notable)
21 May 1993	Genthin, DE	daily rain	33.6 mm (1.3 in)	27.4 mm (1.1 in)	42 years	56 of 100 (Notable)
21 May 1993	Braunschweig-Gliesmarode, DE	daily rain	35.0 mm (1.4 in)	24.5 mm (1.0 in)	42 years	56 of 100 (Notable)
21 May 1993	McGaffey 5 SE, US	monthly rain	53.3 mm (2.1 in)	30.4 mm (1.2 in)	6 years	55 of 100 (Notable)
21 May 1993	Hana AP 355, US	monthly rain	170.9 mm (6.7 in)	38.8 mm (1.5 in)	19 years	54 of 100 (Notable)
21 May 1993	Tekax de Alvaro Obregon, MX	daily low min	10.6 C (51.1 F)	7.7 C (13.9 F)	31 years	53 of 100 (Notable)
21 May 1993	Zeitz, DE	daily rain	34.4 mm (1.4 in)	20.5 mm (0.8 in)	20 years	50 of 100 (Notable)
21 May 1993	Berlin-Tegel, DE	daily rain	38.9 mm (1.5 in)	32.3 mm (1.3 in)	14 years	49 of 100 (Notable)
21 May 1993	Salzwedel, DE	daily rain	29.0 mm (1.1 in)	15.4 mm (0.6 in)	40 years	49 of 100 (Notable)
21 May 1993	Weissenfels, DE	daily rain	33.8 mm (1.3 in)	13.4 mm (0.5 in)	64 years	49 of 100 (Notable)
21 May 1993	Leipzig-Schkeuditz, DE	daily rain	28.5 mm (1.1 in)	17.9 mm (0.7 in)	20 years	48 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 1993

Records set or tied on this calendar date in each year from 1793 to 1993. 1993 had 1,197 records.

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

Records on 05-21 in each year
Year	Records
1793	1
1795	1
1811	1
1837	2
1842	1
1847	2
1854	1
1857	1
1858	1
1865	1
1866	1
1870	2
1875	1
1876	1
1880	2
1882	1
1885	1
1886	2
1887	3
1889	5
1890	3
1891	6
1892	1
1893	1
1894	4
1895	4
1896	5
1897	2
1898	1
1899	5
1900	1
1901	3
1902	4
1903	26
1904	8
1905	7
1906	12
1907	36
1908	13
1909	13
1910	14
1911	87
1912	24
1913	13
1914	26
1915	24
1916	13
1917	76
1918	51
1919	170
1920	39
1921	158
1922	39
1923	125
1924	148
1925	250
1926	221
1927	207
1928	173
1929	247
1930	133
1931	488
1932	343
1933	290
1934	590
1935	190
1936	328
1937	227
1938	348
1939	355
1940	456
1941	525
1942	482
1943	463
1944	310
1945	515
1946	324
1947	485
1948	312
1949	593
1950	403
1951	271
1952	385
1953	501
1954	961
1955	507
1956	409
1957	709
1958	511
1959	684
1960	615
1961	306
1962	553
1963	598
1964	788
1965	238
1966	296
1967	1,022
1968	549
1969	832
1970	449
1971	536
1972	557
1973	493
1974	847
1975	1,160
1976	393
1977	756
1978	575
1979	787
1980	857
1981	1,550
1982	599
1983	1,106
1984	950
1985	610
1986	908
1987	1,242
1988	819
1989	671
1990	947
1991	1,065
1992	1,143
1993	1,197
1994	656
1995	749
1996	1,461
1997	953
1998	1,200
1999	544
2000	897
2001	1,187
2002	2,048
2003	807
2004	898
2005	1,020
2006	810
2007	894
2008	740
2009	1,315
2010	962
2011	959
2012	848
2013	884
2014	522
2015	956
2016	567
2017	780
2018	525
2019	1,668
2020	707
2021	1,131
2022	1,512
2023	794
2024	751
2025	776
2026	356

Download the Data

Data for records on 1993-05-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 10	875
10 to 20	42
20 to 30	9
30 to 40	4
40 to 50	0
50 to 60	0
60 to 70	1
70 to 80	1