Weather Records on 6 May 1991

1,028 weather records were set or tied worldwide on 6 May 1991. Highest significance: Kershaw 1SW, US.

Key Facts for 6 May 1991

On 6 May 1991, 1,028 weather records were set or tied at long-record stations worldwide.
228 were record highs and 437 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 24 monthly and 1,002 daily.
Kershaw 1SW set a daily record precipitation of 67.3 mm (2.6 in) on 6 May 1991.
Across 158 earlier years (1795 to 2026) the same calendar date averaged 450 records.

Record Map

1,028 stations

1,028 station records on 6 May 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 May 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kershaw 1SW	United States	Record daily precipitation	67.3 mm (2.6 in)	59 of 100 (Notable)
Sumter	United States	Record daily precipitation	90.4 mm (3.6 in)	56 of 100 (Notable)
Cordova 2 ENE	United States	Record daily precipitation	75.7 mm (3.0 in)	54 of 100 (Notable)
Columbia UNIV of Sc	United States	Record daily precipitation	106.4 mm (4.2 in)	52 of 100 (Notable)
Wedgefield	United States	Record daily precipitation	91.4 mm (3.6 in)	52 of 100 (Notable)
Zamokta	Russia	Record daily precipitation	32.0 mm (1.3 in)	50 of 100 (Notable)
Atmore	United States	Record daily precipitation	88.1 mm (3.5 in)	50 of 100 (Notable)
Marcus Hook	United States	Record daily precipitation	55.1 mm (2.2 in)	50 of 100 (Notable)
McGregor	United States	Record low maximum temperature	17.8 C (64.0 F)	46 of 100 (Notable)
Vitoria de Santo Antao	Brazil	Record daily precipitation	66.6 mm (2.6 in)	45 of 100 (Notable)
Bishopville 1.4 ENE	United States	Record daily precipitation	58.7 mm (2.3 in)	45 of 100 (Notable)
Darlington	United States	Record daily precipitation	73.4 mm (2.9 in)	44 of 100 (Notable)
Hartford-Bradley Intl AP	United States	Record daily precipitation	69.1 mm (2.7 in)	44 of 100 (Notable)
Gaffney 6 E	United States	Record daily precipitation	30.7 mm (1.2 in)	43 of 100 (Notable)
Russellville #2	United States	Record daily precipitation	78.7 mm (3.1 in)	42 of 100 (Notable)
Norcross	United States	Record daily precipitation	47.2 mm (1.9 in)	42 of 100 (Notable)
Greenville	United States	Record daily precipitation	48.3 mm (1.9 in)	41 of 100 (Notable)
Saluda	United States	Record daily precipitation	56.1 mm (2.2 in)	40 of 100 (Notable)
McGregor	United States	Record low minimum temperature	5.6 C (42.1 F)	39 of 100 (Notable)
Santa Barbara	United States	Record low minimum temperature	2.8 C (37.0 F)	38 of 100 (Notable)
Carthage	United States	Record daily precipitation	66.5 mm (2.6 in)	38 of 100 (Notable)
Ofahoma	United States	Record daily precipitation	61.0 mm (2.4 in)	38 of 100 (Notable)
Saint Ignatius	United States	Record high minimum temperature	11.7 C (53.1 F)	38 of 100 (Notable)
Batesburg	United States	Record daily precipitation	47.8 mm (1.9 in)	38 of 100 (Notable)
Barrow AP	United States	Record high minimum temperature	-3.3 C (26.1 F)	38 of 100 (Notable)
Rezekne	Latvia	Record daily precipitation	25.6 mm (1.0 in)	37 of 100 (Notable)
Sayre 5 NW	United States	Record daily precipitation	53.8 mm (2.1 in)	37 of 100 (Notable)
Newark Ag Farm	United States	Record daily precipitation	30.0 mm (1.2 in)	37 of 100 (Notable)
Estherville 4E	United States	Record low maximum temperature	5.0 C (41.0 F)	37 of 100 (Notable)
Winthrop UNIV	United States	Record high minimum temperature	19.4 C (66.9 F)	37 of 100 (Notable)
Georgiana	United States	Record daily precipitation	59.7 mm (2.4 in)	36 of 100 (Notable)
Madison	United States	Record low maximum temperature	7.2 C (45.0 F)	36 of 100 (Notable)
Healdton 3 E	United States	Record low minimum temperature	5.0 C (41.0 F)	36 of 100 (Notable)
Mexia	United States	Record low minimum temperature	5.0 C (41.0 F)	36 of 100 (Notable)
Williamson	United States	Record high minimum temperature	16.1 C (61.0 F)	36 of 100 (Notable)
Demopolis L&D	United States	Record daily precipitation	45.7 mm (1.8 in)	35 of 100 (Notable)
Clarinda	United States	Record low maximum temperature	8.3 C (46.9 F)	35 of 100 (Notable)
Logan 1 WNW	United States	Record low maximum temperature	7.8 C (46.0 F)	35 of 100 (Notable)
Lambertville	United States	Record daily precipitation	42.2 mm (1.7 in)	35 of 100 (Notable)
Florence 8 NE	United States	Record daily precipitation	40.1 mm (1.6 in)	35 of 100 (Notable)
Marion	United States	Record low maximum temperature	6.1 C (43.0 F)	35 of 100 (Notable)
Totutla	Mexico	Record daily precipitation	72.9 mm (2.9 in)	34 of 100 (Routine)
Albacete Los Llanos	Spain	Record low minimum temperature	0.6 C (33.1 F)	34 of 100 (Routine)
Kingston	United States	Record daily precipitation	72.4 mm (2.9 in)	34 of 100 (Routine)
Le Mars	United States	Record low maximum temperature	7.2 C (45.0 F)	34 of 100 (Routine)
Mt Ayr	United States	Record low maximum temperature	8.3 C (46.9 F)	34 of 100 (Routine)
Abilene	United States	Record low minimum temperature	0.0 C (32.0 F)	34 of 100 (Routine)
Ashland #2	United States	Record low maximum temperature	8.3 C (46.9 F)	34 of 100 (Routine)
David City 4E	United States	Record low maximum temperature	7.8 C (46.0 F)	34 of 100 (Routine)
Oakdale	United States	Record low maximum temperature	7.8 C (46.0 F)	34 of 100 (Routine)
Tekamah	United States	Record low maximum temperature	8.3 C (46.9 F)	34 of 100 (Routine)
Greenville	United States	Record high minimum temperature	21.7 C (71.1 F)	34 of 100 (Routine)
Neshaminy Falls	United States	Record daily precipitation	43.7 mm (1.7 in)	34 of 100 (Routine)
Selby	United States	Record low maximum temperature	5.0 C (41.0 F)	34 of 100 (Routine)
Gage AP	United States	Record low minimum temperature	2.2 C (36.0 F)	34 of 100 (Routine)
Westchester Co AP	United States	Record daily precipitation	50.0 mm (2.0 in)	34 of 100 (Routine)
La Junta	Mexico	Record low minimum temperature	-1.1 C (30.0 F)	33 of 100 (Routine)
Mitchell Dam	United States	Record daily precipitation	51.6 mm (2.0 in)	33 of 100 (Routine)
Oneonta	United States	Record daily precipitation	79.8 mm (3.1 in)	33 of 100 (Routine)
Gainesville	United States	Record daily precipitation	47.0 mm (1.9 in)	33 of 100 (Routine)

Counts by Type and Timescale

1,028 records

Records set or tied on 6 May 1991 by type: Highest daily maximum 67, Lowest daily maximum 209, Highest daily minimum 161, Lowest daily minimum 228, Heaviest daily rainfall 352, Heaviest daily snowfall 5, Deepest snow cover 6.

Records on 6 May 1991 by type
Record type	Records
Highest daily maximum	67
Lowest daily maximum	209
Highest daily minimum	161
Lowest daily minimum	228
Heaviest daily rainfall	352
Heaviest daily snowfall	5
Deepest snow cover	6

Records on 6 May 1991 by timescale: all-time 2, monthly 24, daily 1,002.

How Much Records Were Beaten By

833 broken records

Margins by which the 833 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.0. Ties are not counted.

Top 20 by Significance

6 May 1991

Top 20 records on 6 May 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 May 1991	Kershaw 1SW, US	daily rain	67.3 mm (2.6 in)	56.4 mm (2.2 in)	42 years	59 of 100 (Notable)
6 May 1991	Sumter, US	daily rain	90.4 mm (3.6 in)	45.2 mm (1.8 in)	37 years	56 of 100 (Notable)
6 May 1991	Cordova 2 ENE, US	daily rain	75.7 mm (3.0 in)	32.5 mm (1.3 in)	84 years	54 of 100 (Notable)
6 May 1991	Columbia UNIV of Sc, US	monthly rain	106.4 mm (4.2 in)	34.8 mm (1.4 in)	23 years	52 of 100 (Notable)
6 May 1991	Wedgefield, US	monthly rain	91.4 mm (3.6 in)	21.5 mm (0.8 in)	58 years	52 of 100 (Notable)
6 May 1991	Zamokta, RU	daily rain	32.0 mm (1.3 in)	21.8 mm (0.9 in)	17 years	50 of 100 (Notable)
6 May 1991	Atmore, US	daily rain	88.1 mm (3.5 in)	66.5 mm (2.6 in)	46 years	50 of 100 (Notable)
6 May 1991	Marcus Hook, US	daily rain	55.1 mm (2.2 in)	36.6 mm (1.4 in)	44 years	50 of 100 (Notable)
6 May 1991	McGregor, US	daily low max	17.8 C (64.0 F)	3.3 C (5.9 F)	96 years	46 of 100 (Notable)
6 May 1991	Vitoria de Santo Antao, BR	daily rain	66.6 mm (2.6 in)	25.2 mm (1.0 in)	62 years	45 of 100 (Notable)
6 May 1991	Bishopville 1.4 ENE, US	daily rain	58.7 mm (2.3 in)	43.5 mm (1.7 in)	32 years	45 of 100 (Notable)
6 May 1991	Darlington, US	daily rain	73.4 mm (2.9 in)	32.8 mm (1.3 in)	37 years	44 of 100 (Notable)
6 May 1991	Hartford-Bradley Intl AP, US	daily rain	69.1 mm (2.7 in)	49.0 mm (1.9 in)	1 year	44 of 100 (Notable)
6 May 1991	Gaffney 6 E, US	daily rain	30.7 mm (1.2 in)	12.9 mm (0.5 in)	85 years	43 of 100 (Notable)
6 May 1991	Russellville #2, US	daily rain	78.7 mm (3.1 in)	62.7 mm (2.5 in)	28 years	42 of 100 (Notable)
6 May 1991	Norcross, US	daily rain	47.2 mm (1.9 in)	26.1 mm (1.0 in)	46 years	42 of 100 (Notable)
6 May 1991	Greenville, US	daily rain	48.3 mm (1.9 in)	22.6 mm (0.9 in)	56 years	41 of 100 (Notable)
6 May 1991	Saluda, US	daily rain	56.1 mm (2.2 in)	25.6 mm (1.0 in)	37 years	40 of 100 (Notable)
6 May 1991	McGregor, US	daily low min	5.6 C (42.1 F)	0.5 C (0.9 F)	96 years	39 of 100 (Notable)
6 May 1991	Santa Barbara, US	monthly low min	2.8 C (37.0 F)	0.5 C (0.9 F)	57 years	38 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

1795 to 1991

Records set or tied on this calendar date in each year from 1795 to 1991. 1991 had 1,028 records.

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

Records on 05-06 in each year
Year	Records
1795	1
1805	1
1825	1
1836	1
1845	2
1850	1
1851	1
1852	1
1856	1
1857	2
1861	2
1862	2
1864	2
1865	1
1872	1
1877	3
1880	2
1883	1
1885	4
1886	2
1887	1
1888	1
1889	4
1890	4
1891	3
1892	3
1893	1
1895	3
1896	1
1897	5
1898	17
1899	3
1900	8
1901	3
1902	8
1903	9
1904	12
1905	18
1906	14
1907	11
1908	18
1909	19
1910	23
1911	14
1912	20
1913	47
1914	30
1915	32
1916	51
1917	197
1918	43
1919	63
1920	42
1921	39
1922	87
1923	126
1924	95
1925	225
1926	178
1927	133
1928	106
1929	225
1930	581
1931	378
1932	302
1933	336
1934	640
1935	319
1936	430
1937	172
1938	310
1939	185
1940	243
1941	325
1942	309
1943	375
1944	879
1945	318
1946	260
1947	613
1948	384
1949	917
1950	610
1951	292
1952	496
1953	635
1954	551
1955	422
1956	559
1957	644
1958	615
1959	463
1960	781
1961	655
1962	301
1963	623
1964	823
1965	624
1966	950
1967	697
1968	890
1969	695
1970	710
1971	459
1972	499
1973	499
1974	806
1975	925
1976	644
1977	896
1978	899
1979	1,122
1980	574
1981	489
1982	800
1983	554
1984	846
1985	549
1986	1,228
1987	1,049
1988	919
1989	1,814
1990	1,220
1991	1,028
1992	1,486
1993	795
1994	591
1995	961
1996	1,578
1997	1,127
1998	1,160
1999	1,198
2000	1,357
2001	767
2002	979
2003	1,596
2004	1,490
2005	826
2006	663
2007	1,061
2008	412
2009	732
2010	1,187
2011	604
2012	1,007
2013	1,024
2014	612
2015	589
2016	808
2017	659
2018	454
2019	462
2020	578
2021	517
2022	736
2023	559
2024	841
2025	732
2026	796

Download the Data

Data for records on 1991-05-06: 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 10	696
10 to 20	70
20 to 30	35
30 to 40	16
40 to 50	7
50 to 60	6
60 to 70	2
70 to 80	1