Weather Records on 10 May 1991

854 weather records were set or tied worldwide on 10 May 1991. Highest significance: Elliotdale (Tnk), ZA.

Key Facts for 10 May 1991

On 10 May 1991, 854 weather records were set or tied at long-record stations worldwide.
402 were record highs and 219 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 12 monthly and 841 daily.
Elliotdale (Tnk) set a daily record precipitation of 80.0 mm (3.1 in) on 10 May 1991.
Across 163 earlier years (1805 to 2026) the same calendar date averaged 438 records.

Record Map

854 stations

854 station records on 10 May 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 May 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Elliotdale (Tnk)	South Africa	Record daily precipitation	80.0 mm (3.1 in)	68 of 100 (Major)
Reserve	United States	Record daily precipitation	109.7 mm (4.3 in)	65 of 100 (Major)
Atoyac	Mexico	Record daily precipitation	33.3 mm (1.3 in)	57 of 100 (Notable)
Luroy	Norway	Record daily precipitation	68.6 mm (2.7 in)	52 of 100 (Notable)
Wildeperdehoek	South Africa	Record daily precipitation	32.5 mm (1.3 in)	52 of 100 (Notable)
Heber	United States	Record daily snowfall	7.6 cm (3.0 in)	51 of 100 (Notable)
Caruthersville	United States	Record daily precipitation	78.7 mm (3.1 in)	50 of 100 (Notable)
Lima	United States	Record snow depth	17.8 cm (7.0 in)	49 of 100 (Notable)
Bay Minette	United States	Record daily precipitation	66.0 mm (2.6 in)	47 of 100 (Notable)
Krasnaja Poljana	Russia	Record daily precipitation	45.8 mm (1.8 in)	45 of 100 (Notable)
Wrangell AP	United States	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Albany 3 SE	United States	Record daily precipitation	49.8 mm (2.0 in)	44 of 100 (Notable)
Agate 3 E	United States	Record daily precipitation	37.6 mm (1.5 in)	44 of 100 (Notable)
Drevja	Norway	Record daily precipitation	40.5 mm (1.6 in)	43 of 100 (Notable)
Midland	United States	Record high minimum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Logan Utah St UNIV	United States	Record low maximum temperature	3.9 C (39.0 F)	41 of 100 (Notable)
Ilford (Warrangunyah)	Australia	Record daily precipitation	33.8 mm (1.3 in)	40 of 100 (Notable)
Velikie Luki	Russia	Record low minimum temperature	-2.5 C (27.5 F)	40 of 100 (Notable)
Newport 1 NW	United States	Record high minimum temperature	19.4 C (66.9 F)	40 of 100 (Notable)
Glenora	South Africa	Record daily precipitation	27.5 mm (1.1 in)	39 of 100 (Notable)
Baynesfield Estate	South Africa	Record daily precipitation	46.0 mm (1.8 in)	39 of 100 (Notable)
American Falls 6 NE	United States	Record low maximum temperature	6.7 C (44.1 F)	39 of 100 (Notable)
Amite	United States	Record daily precipitation	64.8 mm (2.6 in)	39 of 100 (Notable)
Manina (Bos)	South Africa	Record daily precipitation	54.5 mm (2.1 in)	38 of 100 (Notable)
Groblersplaas	South Africa	Record daily precipitation	32.0 mm (1.3 in)	38 of 100 (Notable)
Bogalusa	United States	Record daily precipitation	61.5 mm (2.4 in)	38 of 100 (Notable)
Jeanerette 5 NW	United States	Record low maximum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
Luna Rs	United States	Record high minimum temperature	10.0 C (50.0 F)	38 of 100 (Notable)
Tower Falls	United States	Record daily snowfall	10.2 cm (4.0 in)	38 of 100 (Notable)
Rjazsk	Russia	Record daily precipitation	32.8 mm (1.3 in)	37 of 100 (Notable)
Gornyij	Russia	Record daily precipitation	42.8 mm (1.7 in)	37 of 100 (Notable)
Morgan City	United States	Record low maximum temperature	20.0 C (68.0 F)	37 of 100 (Notable)
Bangalore	India	Record daily precipitation	91.9 mm (3.6 in)	36 of 100 (Notable)
Quemado	United States	Record high minimum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Grafton	United States	Record high minimum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Midland 4 ENE	United States	Record high minimum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
Lake Yellowstone	United States	Record daily snowfall	17.8 cm (7.0 in)	36 of 100 (Notable)
Yellowstone Park Mammoth	United States	Record daily snowfall	15.2 cm (6.0 in)	36 of 100 (Notable)
Yellowstone Park Mammoth	United States	Record snow depth	15.2 cm (6.0 in)	36 of 100 (Notable)
Dawson	United States	Record daily precipitation	40.1 mm (1.6 in)	35 of 100 (Notable)
Donaldsonville 4 SW	United States	Record low maximum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Eureka	United States	Record low maximum temperature	1.1 C (34.0 F)	35 of 100 (Notable)
Little Harmony, Rich	South Africa	Record daily precipitation	39.7 mm (1.6 in)	34 of 100 (Routine)
Victorville	United States	Record low minimum temperature	-3.3 C (26.1 F)	34 of 100 (Routine)
Pine Grove Fire Twr	United States	Record daily precipitation	55.9 mm (2.2 in)	34 of 100 (Routine)
Poplarville Exp STN	United States	Record daily precipitation	40.6 mm (1.6 in)	34 of 100 (Routine)
Hebgen Dam	United States	Record daily snowfall	15.2 cm (6.0 in)	34 of 100 (Routine)
Grand Forks UNIV (NWS)	United States	Record high minimum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Intl Falls Intl AP	United States	Record high minimum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Clanton	United States	Record daily precipitation	37.6 mm (1.5 in)	33 of 100 (Routine)
Ignacio Lopez Rayon	Mexico	Record low minimum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Pervomajskoe	Russia	Record high minimum temperature	13.8 C (56.8 F)	32 of 100 (Routine)
Hogsback (Bos)	South Africa	Record daily precipitation	43.1 mm (1.7 in)	32 of 100 (Routine)
Mobridge 2NNW	United States	Record high minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Graz	Austria	Record daily precipitation	45.2 mm (1.8 in)	31 of 100 (Routine)
Etla	Mexico	Record daily precipitation	42.4 mm (1.7 in)	31 of 100 (Routine)
Kem-Port	Russia	Record low minimum temperature	-7.1 C (19.2 F)	31 of 100 (Routine)
Entabeni (Bos)	South Africa	Record daily precipitation	38.0 mm (1.5 in)	31 of 100 (Routine)
Springerville	United States	Record high minimum temperature	10.6 C (51.1 F)	31 of 100 (Routine)
Ft Hall 1 NNE	United States	Record low maximum temperature	6.1 C (43.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

854 records

Records set or tied on 10 May 1991 by type: Highest daily maximum 97, Lowest daily maximum 123, Highest daily minimum 305, Lowest daily minimum 96, Heaviest daily rainfall 209, Heaviest daily snowfall 18, Deepest snow cover 6.

Records on 10 May 1991 by type
Record type	Records
Highest daily maximum	97
Lowest daily maximum	123
Highest daily minimum	305
Lowest daily minimum	96
Heaviest daily rainfall	209
Heaviest daily snowfall	18
Deepest snow cover	6

Records on 10 May 1991 by timescale: all-time 1, monthly 12, daily 841.

How Much Records Were Beaten By

646 broken records

Margins by which the 646 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

10 May 1991

Top 20 records on 10 May 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 May 1991	Elliotdale (Tnk), ZA	daily rain	80.0 mm (3.1 in)	55.9 mm (2.2 in)	81 years	68 of 100 (Major)
10 May 1991	Reserve, US	daily rain	109.7 mm (4.3 in)	79.2 mm (3.1 in)	65 years	65 of 100 (Major)
10 May 1991	Atoyac, MX	daily rain	33.3 mm (1.3 in)	33.3 mm (1.3 in)	46 years	57 of 100 (Notable)
10 May 1991	Luroy, NO	daily rain	68.6 mm (2.7 in)	37.2 mm (1.5 in)	50 years	52 of 100 (Notable)
10 May 1991	Wildeperdehoek, ZA	daily rain	32.5 mm (1.3 in)	23.1 mm (0.9 in)	58 years	52 of 100 (Notable)
10 May 1991	Heber, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	92 years	51 of 100 (Notable)
10 May 1991	Caruthersville, US	daily rain	78.7 mm (3.1 in)	25.4 mm (1.0 in)	84 years	50 of 100 (Notable)
10 May 1991	Lima, US	daily snow depth	17.8 cm (7.0 in)	15.3 cm (6.0 in)	72 years	49 of 100 (Notable)
10 May 1991	Bay Minette, US	daily rain	66.0 mm (2.6 in)	48.2 mm (1.9 in)	65 years	47 of 100 (Notable)
10 May 1991	Krasnaja Poljana, RU	daily rain	45.8 mm (1.8 in)	26.4 mm (1.0 in)	49 years	45 of 100 (Notable)
10 May 1991	Wrangell AP, US	daily rain	35.6 mm (1.4 in)	18.6 mm (0.7 in)	20 years	45 of 100 (Notable)
10 May 1991	Albany 3 SE, US	daily rain	49.8 mm (2.0 in)	9.9 mm (0.39 in)	95 years	44 of 100 (Notable)
10 May 1991	Agate 3 E, US	daily rain	37.6 mm (1.5 in)	27.2 mm (1.1 in)	18 years	44 of 100 (Notable)
10 May 1991	Drevja, NO	daily rain	40.5 mm (1.6 in)	8.2 mm (0.32 in)	76 years	43 of 100 (Notable)
10 May 1991	Midland, US	daily high min	16.7 C (62.1 F)	2.3 C (4.1 F)	94 years	41 of 100 (Notable)
10 May 1991	Logan Utah St UNIV, US	daily low max	3.9 C (39.0 F)	2.8 C (5.0 F)	94 years	41 of 100 (Notable)
10 May 1991	Ilford (Warrangunyah), AU	daily rain	33.8 mm (1.3 in)	10.2 mm (0.4 in)	69 years	40 of 100 (Notable)
10 May 1991	Velikie Luki, RU	daily low min	-2.5 C (27.5 F)	0.4 C (0.7 F)	100 years	40 of 100 (Notable)
10 May 1991	Newport 1 NW, US	daily high min	19.4 C (66.9 F)	2.7 C (4.9 F)	85 years	40 of 100 (Notable)
10 May 1991	Glenora, ZA	daily rain	27.5 mm (1.1 in)	22.3 mm (0.9 in)	36 years	39 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

1805 to 1991

Records set or tied on this calendar date in each year from 1805 to 1991. 1991 had 854 records.

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

Records on 05-10 in each year
Year	Records
1805	1
1814	2
1832	1
1834	1
1836	4
1838	1
1843	1
1846	1
1848	1
1855	2
1858	1
1860	1
1861	2
1867	3
1868	1
1869	1
1872	1
1874	4
1876	1
1878	1
1879	2
1880	3
1881	3
1883	1
1884	2
1885	2
1886	1
1887	1
1888	2
1889	4
1890	2
1891	2
1893	1
1895	4
1896	6
1897	4
1898	5
1900	4
1901	6
1902	18
1903	6
1904	7
1905	21
1906	42
1907	33
1908	10
1909	17
1910	21
1911	55
1912	15
1913	23
1914	17
1915	18
1916	26
1917	23
1918	105
1919	145
1920	54
1921	143
1922	38
1923	291
1924	198
1925	163
1926	291
1927	296
1928	189
1929	102
1930	647
1931	277
1932	145
1933	516
1934	412
1935	200
1936	439
1937	148
1938	179
1939	179
1940	317
1941	257
1942	237
1943	482
1944	200
1945	646
1946	455
1947	820
1948	491
1949	492
1950	356
1951	281
1952	342
1953	627
1954	554
1955	272
1956	669
1957	374
1958	338
1959	192
1960	660
1961	722
1962	593
1963	951
1964	259
1965	413
1966	1,290
1967	932
1968	861
1969	325
1970	555
1971	416
1972	573
1973	429
1974	608
1975	448
1976	672
1977	1,075
1978	815
1979	1,927
1980	865
1981	1,213
1982	671
1983	753
1984	635
1985	925
1986	669
1987	1,270
1988	490
1989	1,365
1990	1,071
1991	854
1992	875
1993	1,056
1994	622
1995	1,129
1996	1,469
1997	1,215
1998	1,268
1999	1,299
2000	1,036
2001	842
2002	867
2003	1,688
2004	735
2005	761
2006	879
2007	815
2008	877
2009	651
2010	855
2011	1,288
2012	1,054
2013	635
2014	506
2015	943
2016	815
2017	702
2018	923
2019	1,254
2020	1,346
2021	635
2022	1,346
2023	359
2024	622
2025	1,094
2026	496

Download the Data

Data for records on 1991-05-10: 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 25	609
25 to 50	24
50 to 75	4
75 to 100	2
100 to 125	3
125 to 150	1
150 to 175	2
175 to 200	1