Weather Records on 22 May 1991

1,200 weather records were set or tied worldwide on 22 May 1991. Highest significance: Liberal, US.

Key Facts for 22 May 1991

On 22 May 1991, 1,200 weather records were set or tied at long-record stations worldwide.
595 were record highs and 201 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 40 monthly and 1,157 daily.
Liberal set an all-time record daily precipitation of 203.2 mm (8.0 in) on 22 May 1991.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 441 records.

Record Map

1,200 stations

1,200 station records on 22 May 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 22 May 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Liberal	United States	Record daily precipitation	203.2 mm (8.0 in)	83 of 100 (Exceptional)
Cimarron	United States	Record daily precipitation	87.1 mm (3.4 in)	69 of 100 (Major)
Willow Tree (Valais)	Australia	Record daily precipitation	68.4 mm (2.7 in)	67 of 100 (Major)
Nakhon Si Thammarat	Thailand	Record daily precipitation	135.9 mm (5.4 in)	62 of 100 (Major)
Boggabri (Penryn)	Australia	Record daily precipitation	48.6 mm (1.9 in)	61 of 100 (Major)
Merriwa (Terragong)	Australia	Record daily precipitation	37.4 mm (1.5 in)	60 of 100 (Major)
Eureka	United States	Record daily precipitation	54.9 mm (2.2 in)	60 of 100 (Major)
Boggabri (Kanownda)	Australia	Record daily precipitation	50.0 mm (2.0 in)	59 of 100 (Notable)
Blackville (Krui Vale)	Australia	Record daily precipitation	52.4 mm (2.1 in)	57 of 100 (Notable)
Itajuipe (Piranji)	Brazil	Record daily precipitation	67.4 mm (2.7 in)	56 of 100 (Notable)
Dumas	United States	Record daily precipitation	69.1 mm (2.7 in)	54 of 100 (Notable)
Ust-Umalta	Russia	Record daily precipitation	37.1 mm (1.5 in)	53 of 100 (Notable)
Wee Waa (Pendennis)	Australia	Record daily precipitation	100.6 mm (4.0 in)	52 of 100 (Notable)
Wee Waa (George St)	Australia	Record daily precipitation	121.8 mm (4.8 in)	52 of 100 (Notable)
Boggabri Post Office	Australia	Record daily precipitation	81.0 mm (3.2 in)	52 of 100 (Notable)
Gunnedah Pool	Australia	Record daily precipitation	63.0 mm (2.5 in)	52 of 100 (Notable)
Willow Tree (Highlands)	Australia	Record daily precipitation	45.2 mm (1.8 in)	52 of 100 (Notable)
Ipiau	Brazil	Record daily precipitation	50.1 mm (2.0 in)	52 of 100 (Notable)
Ignacio Lopez Rayon	Mexico	Record low minimum temperature	15.6 C (60.1 F)	51 of 100 (Notable)
Hooker	United States	Record daily precipitation	60.5 mm (2.4 in)	51 of 100 (Notable)
Khashuri	Georgia	Record daily precipitation	32.1 mm (1.3 in)	49 of 100 (Notable)
Reedsburg Wwtp	United States	Record daily precipitation	38.1 mm (1.5 in)	49 of 100 (Notable)
Narrabri (Mollee)	Australia	Record daily precipitation	103.6 mm (4.1 in)	48 of 100 (Notable)
Blackville Post Office	Australia	Record daily precipitation	64.0 mm (2.5 in)	48 of 100 (Notable)
Santa Barbara	Brazil	Record daily precipitation	49.8 mm (2.0 in)	48 of 100 (Notable)
Conlen	United States	Record daily precipitation	69.9 mm (2.8 in)	48 of 100 (Notable)
Quirindi Post Office	Australia	Record daily precipitation	34.4 mm (1.4 in)	47 of 100 (Notable)
Wallabadah (Woodton)	Australia	Record daily precipitation	33.0 mm (1.3 in)	47 of 100 (Notable)
Wombat (Tumbleton)	Australia	Record daily precipitation	42.8 mm (1.7 in)	47 of 100 (Notable)
Gunnedah Resource Centre	Australia	Record daily precipitation	69.8 mm (2.7 in)	46 of 100 (Notable)
Spring Ridge	Australia	Record daily precipitation	67.8 mm (2.7 in)	46 of 100 (Notable)
Keda	Georgia	Record daily precipitation	83.5 mm (3.3 in)	46 of 100 (Notable)
Eastport	United States	Record high minimum temperature	12.8 C (55.0 F)	46 of 100 (Notable)
Kelvin (Carellan)	Australia	Record daily precipitation	44.6 mm (1.8 in)	45 of 100 (Notable)
Geygel'-Kurort	Azerbaijan	Record daily precipitation	46.4 mm (1.8 in)	44 of 100 (Notable)
Zardob	Azerbaijan	Record daily precipitation	32.2 mm (1.3 in)	44 of 100 (Notable)
Carroll (the Ranch)	Australia	Record daily precipitation	44.6 mm (1.8 in)	44 of 100 (Notable)
Kelvin (Kahana)	Australia	Record daily precipitation	90.0 mm (3.5 in)	44 of 100 (Notable)
San Luis San Pedro	Mexico	Record high maximum temperature	40.6 C (105.1 F)	44 of 100 (Notable)
St Petersburg	United States	Record low maximum temperature	26.1 C (79.0 F)	44 of 100 (Notable)
Roseau	United States	Record daily precipitation	36.1 mm (1.4 in)	44 of 100 (Notable)
Ellendale	United States	Record daily precipitation	60.7 mm (2.4 in)	44 of 100 (Notable)
Curlewis (Pine Cliff)	Australia	Record daily precipitation	56.8 mm (2.2 in)	43 of 100 (Notable)
Murrurundi Post Office	Australia	Record daily precipitation	32.3 mm (1.3 in)	43 of 100 (Notable)
Cathcart (Mount Darragh)	Australia	Record daily precipitation	78.0 mm (3.1 in)	43 of 100 (Notable)
Pedrinhas	Brazil	Record daily precipitation	48.1 mm (1.9 in)	43 of 100 (Notable)
Cobargo Post Office	Australia	Record daily precipitation	68.0 mm (2.7 in)	42 of 100 (Notable)
Walhalla 1 SW	United States	Record daily precipitation	36.8 mm (1.4 in)	42 of 100 (Notable)
Somerton (Girraweena)	Australia	Record daily precipitation	38.6 mm (1.5 in)	41 of 100 (Notable)
West Wyalong (Tallimbalong)	Australia	Record daily precipitation	33.0 mm (1.3 in)	41 of 100 (Notable)
Pedernal 9 E	United States	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Taos	United States	Record low maximum temperature	12.2 C (54.0 F)	41 of 100 (Notable)
Mullaley Post Office	Australia	Record daily precipitation	60.0 mm (2.4 in)	40 of 100 (Notable)
Ft Madison	United States	Record high minimum temperature	21.7 C (71.1 F)	40 of 100 (Notable)
Stanley 2 NNE	United States	Record daily precipitation	30.5 mm (1.2 in)	40 of 100 (Notable)
Ft Myers Page Fld AP	United States	Record low maximum temperature	25.6 C (78.1 F)	40 of 100 (Notable)
Mandurah Park	Australia	Record daily precipitation	48.2 mm (1.9 in)	39 of 100 (Notable)
Weemelah (Crinolyn)	Australia	Record daily precipitation	79.0 mm (3.1 in)	39 of 100 (Notable)
Bodalla Post Office	Australia	Record daily precipitation	80.0 mm (3.1 in)	39 of 100 (Notable)
Gubbata Cooma St	Australia	Record daily precipitation	37.4 mm (1.5 in)	39 of 100 (Notable)

Counts by Type and Timescale

1,200 records

Records set or tied on 22 May 1991 by type: Highest daily maximum 163, Lowest daily maximum 142, Highest daily minimum 432, Lowest daily minimum 59, Heaviest daily rainfall 402, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 22 May 1991 by type
Record type	Records
Highest daily maximum	163
Lowest daily maximum	142
Highest daily minimum	432
Lowest daily minimum	59
Heaviest daily rainfall	402
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 22 May 1991 by timescale: all-time 3, monthly 40, daily 1,157.

How Much Records Were Beaten By

960 broken records

Margins by which the 960 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 86.2. Ties are not counted.

Top 20 by Significance

22 May 1991

Top 20 records on 22 May 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 May 1991	Liberal, US	all-time rain	203.2 mm (8.0 in)	63.5 mm (2.5 in)	49 years	83 of 100 (Exceptional)
22 May 1991	Cimarron, US	daily rain	87.1 mm (3.4 in)	55.3 mm (2.2 in)	76 years	69 of 100 (Major)
22 May 1991	Willow Tree (Valais), AU	daily rain	68.4 mm (2.7 in)	44.3 mm (1.7 in)	72 years	67 of 100 (Major)
22 May 1991	Nakhon Si Thammarat, TH	monthly rain	135.9 mm (5.4 in)	48.9 mm (1.9 in)	31 years	62 of 100 (Major)
22 May 1991	Boggabri (Penryn), AU	daily rain	48.6 mm (1.9 in)	28.3 mm (1.1 in)	88 years	61 of 100 (Major)
22 May 1991	Merriwa (Terragong), AU	daily rain	37.4 mm (1.5 in)	22.9 mm (0.9 in)	94 years	60 of 100 (Major)
22 May 1991	Eureka, US	daily rain	54.9 mm (2.2 in)	25.4 mm (1.0 in)	78 years	60 of 100 (Major)
22 May 1991	Boggabri (Kanownda), AU	daily rain	50.0 mm (2.0 in)	36.5 mm (1.4 in)	72 years	59 of 100 (Notable)
22 May 1991	Blackville (Krui Vale), AU	daily rain	52.4 mm (2.1 in)	27.8 mm (1.1 in)	90 years	57 of 100 (Notable)
22 May 1991	Itajuipe (Piranji), BR	daily rain	67.4 mm (2.7 in)	44.2 mm (1.7 in)	40 years	56 of 100 (Notable)
22 May 1991	Dumas, US	daily rain	69.1 mm (2.7 in)	57.2 mm (2.3 in)	32 years	54 of 100 (Notable)
22 May 1991	Ust-Umalta, RU	daily rain	37.1 mm (1.5 in)	30.4 mm (1.2 in)	28 years	53 of 100 (Notable)
22 May 1991	Wee Waa (Pendennis), AU	daily rain	100.6 mm (4.0 in)	70.2 mm (2.8 in)	8 years	52 of 100 (Notable)
22 May 1991	Wee Waa (George St), AU	daily rain	121.8 mm (4.8 in)	86.2 mm (3.4 in)	8 years	52 of 100 (Notable)
22 May 1991	Boggabri Post Office, AU	daily rain	81.0 mm (3.2 in)	57.0 mm (2.2 in)	9 years	52 of 100 (Notable)
22 May 1991	Gunnedah Pool, AU	daily rain	63.0 mm (2.5 in)	47.4 mm (1.9 in)	9 years	52 of 100 (Notable)
22 May 1991	Willow Tree (Highlands), AU	daily rain	45.2 mm (1.8 in)	30.0 mm (1.2 in)	72 years	52 of 100 (Notable)
22 May 1991	Ipiau, BR	daily rain	50.1 mm (2.0 in)	37.1 mm (1.5 in)	29 years	52 of 100 (Notable)
22 May 1991	Ignacio Lopez Rayon, MX	daily low min	15.6 C (60.1 F)	6.1 C (11.0 F)	28 years	51 of 100 (Notable)
22 May 1991	Hooker, US	daily rain	60.5 mm (2.4 in)	25.4 mm (1.0 in)	76 years	51 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

1806 to 1991

Records set or tied on this calendar date in each year from 1806 to 1991. 1991 had 1,200 records.

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

Records on 05-22 in each year
Year	Records
1806	1
1837	4
1840	1
1841	1
1845	1
1846	1
1847	2
1857	1
1861	1
1862	1
1864	1
1865	1
1866	5
1867	3
1870	2
1872	1
1874	2
1875	1
1877	1
1881	1
1883	3
1885	1
1886	5
1887	3
1889	2
1890	4
1891	1
1892	2
1894	3
1895	2
1896	5
1897	3
1898	3
1899	3
1900	2
1901	3
1902	5
1903	7
1904	6
1905	11
1906	15
1907	45
1908	20
1909	19
1910	6
1911	77
1912	20
1913	15
1914	30
1915	23
1916	22
1917	43
1918	50
1919	402
1920	27
1921	85
1922	60
1923	63
1924	196
1925	382
1926	165
1927	250
1928	168
1929	210
1930	121
1931	489
1932	306
1933	307
1934	292
1935	162
1936	490
1937	192
1938	313
1939	407
1940	364
1941	640
1942	379
1943	385
1944	490
1945	334
1946	277
1947	340
1948	322
1949	534
1950	456
1951	294
1952	442
1953	632
1954	558
1955	556
1956	617
1957	774
1958	584
1959	713
1960	455
1961	446
1962	662
1963	1,149
1964	775
1965	367
1966	434
1967	1,222
1968	502
1969	593
1970	306
1971	479
1972	462
1973	446
1974	613
1975	772
1976	476
1977	648
1978	558
1979	674
1980	997
1981	1,427
1982	558
1983	1,025
1984	907
1985	736
1986	724
1987	810
1988	641
1989	722
1990	1,193
1991	1,200
1992	1,159
1993	922
1994	517
1995	823
1996	1,139
1997	1,154
1998	995
1999	610
2000	1,124
2001	1,371
2002	2,020
2003	822
2004	1,111
2005	1,002
2006	1,174
2007	1,113
2008	967
2009	1,075
2010	1,051
2011	745
2012	1,039
2013	1,216
2014	828
2015	938
2016	807
2017	613
2018	495
2019	1,372
2020	631
2021	915
2022	1,248
2023	400
2024	861
2025	778
2026	473

Download the Data

Data for records on 1991-05-22: 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 22 May 1991
Margin	Records
0 to 20	870
20 to 40	74
40 to 60	12
60 to 80	3
80 to 100	1