Weather Records on 23 May 1991

1,244 weather records were set or tied worldwide on 23 May 1991. Highest significance: Park River, US.

Key Facts for 23 May 1991

On 23 May 1991, 1,244 weather records were set or tied at long-record stations worldwide.
861 were record highs and 199 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 57 monthly and 1,184 daily.
Park River set a monthly record daily precipitation of 75.7 mm (3.0 in) on 23 May 1991.
Across 158 earlier years (1793 to 2026) the same calendar date averaged 458 records.

Record Map

1,244 stations

1,244 station records on 23 May 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 May 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Park River	United States	Record daily precipitation	75.7 mm (3.0 in)	59 of 100 (Notable)
Miller	United States	Record daily precipitation	80.8 mm (3.2 in)	51 of 100 (Notable)
Tot-Ma	Russia	Record daily precipitation	25.4 mm (1.0 in)	49 of 100 (Notable)
Keda	Georgia	Record daily precipitation	38.1 mm (1.5 in)	48 of 100 (Notable)
Ust Tzilma	Russia	Record high minimum temperature	16.6 C (61.9 F)	48 of 100 (Notable)
Intl Falls Intl AP	United States	Record daily precipitation	67.8 mm (2.7 in)	46 of 100 (Notable)
Gumri	Armenia	Record low maximum temperature	9.4 C (48.9 F)	44 of 100 (Notable)
Ignacio Lopez Rayon	Mexico	Record low minimum temperature	15.0 C (59.0 F)	43 of 100 (Notable)
A Coruna	Spain	Record high maximum temperature	30.0 C (86.0 F)	43 of 100 (Notable)
Gothenburg	United States	Record daily precipitation	64.3 mm (2.5 in)	43 of 100 (Notable)
Lankaran	Azerbaijan	Record daily precipitation	27.2 mm (1.1 in)	41 of 100 (Notable)
Nanchang	China	Record daily precipitation	103.1 mm (4.1 in)	41 of 100 (Notable)
New Iberia AP - Acadiana Rgnl	United States	Record daily precipitation	66.3 mm (2.6 in)	41 of 100 (Notable)
Caledonia	United States	Record high minimum temperature	19.4 C (66.9 F)	41 of 100 (Notable)
Morris W Cntrl Rsch & Outreach	United States	Record high minimum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Narrabri Bowling Club	Australia	Record daily precipitation	35.3 mm (1.4 in)	39 of 100 (Notable)
Bakhmaro	Georgia	Record daily precipitation	30.4 mm (1.2 in)	39 of 100 (Notable)
Atoyac	Mexico	Record daily precipitation	25.9 mm (1.0 in)	39 of 100 (Notable)
San Diego de Alejandria	Mexico	Record high maximum temperature	41.7 C (107.1 F)	39 of 100 (Notable)
Bekdas	Turkmenistan	Record daily precipitation	39.5 mm (1.6 in)	39 of 100 (Notable)
Fulton 3 W	United States	Record high minimum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
Holdrege	United States	Record daily precipitation	67.3 mm (2.6 in)	38 of 100 (Notable)
Cresco 1 NE	United States	Record high minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Greensburg	United States	Record high minimum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Ellendale	United States	Record high minimum temperature	16.1 C (61.0 F)	36 of 100 (Notable)
Marfa 3W	United States	Record daily precipitation	42.4 mm (1.7 in)	36 of 100 (Notable)
Narjan Mar	Russia	Record high maximum temperature	27.0 C (80.6 F)	35 of 100 (Notable)
Stephan 2 NW	United States	Record high minimum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Neillsville 3ESE	United States	Record high minimum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Green Bay	United States	Record high minimum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Tbilisi	Georgia	Record low maximum temperature	13.8 C (56.8 F)	34 of 100 (Routine)
Coloso	Puerto Rico [United States]	Record high maximum temperature	35.0 C (95.0 F)	34 of 100 (Routine)
Brunswick	United States	Record high minimum temperature	24.4 C (75.9 F)	34 of 100 (Routine)
Upland 2NE	United States	Record daily precipitation	55.6 mm (2.2 in)	34 of 100 (Routine)
Espita	Mexico	Record daily precipitation	64.0 mm (2.5 in)	33 of 100 (Routine)
Saran-Paul	Russia	Record high maximum temperature	29.0 C (84.2 F)	33 of 100 (Routine)
Collegeville St John's	United States	Record high minimum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Westfield 2 SSE	United States	Record high maximum temperature	30.0 C (86.0 F)	33 of 100 (Routine)
Kobuleti	Georgia	Record daily precipitation	35.7 mm (1.4 in)	32 of 100 (Routine)
Las Vigas	Mexico	Record high minimum temperature	13.9 C (57.0 F)	32 of 100 (Routine)
Fayette	United States	Record high minimum temperature	19.4 C (66.9 F)	32 of 100 (Routine)
Ironwood	United States	Record high minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Farmington 3NW	United States	Record high minimum temperature	19.4 C (66.9 F)	32 of 100 (Routine)
Hansboro 4 NNE	United States	Record high minimum temperature	15.0 C (59.0 F)	32 of 100 (Routine)
Opaeula 870	United States	Record low minimum temperature	11.7 C (53.1 F)	32 of 100 (Routine)
Watertown Rgnl AP	United States	Record high minimum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Porto	Portugal	Record high maximum temperature	32.2 C (90.0 F)	31 of 100 (Routine)
Dhahran	Saudi Arabia	Record low maximum temperature	30.1 C (86.2 F)	31 of 100 (Routine)
Avon Park 2 W	United States	Record low maximum temperature	27.2 C (81.0 F)	31 of 100 (Routine)
Arco	United States	Record high minimum temperature	11.1 C (52.0 F)	31 of 100 (Routine)
Minonk	United States	Record high minimum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Valparaiso Wtr Wks	United States	Record daily precipitation	55.9 mm (2.2 in)	31 of 100 (Routine)
Ada	United States	Record high minimum temperature	18.3 C (64.9 F)	31 of 100 (Routine)
Campbell	United States	Record high minimum temperature	17.8 C (64.0 F)	31 of 100 (Routine)
Mason City	United States	Record daily precipitation	40.6 mm (1.6 in)	31 of 100 (Routine)
Hiram	United States	Record high maximum temperature	32.2 C (90.0 F)	31 of 100 (Routine)
Marshfield Exp Farm	United States	Record high minimum temperature	18.3 C (64.9 F)	31 of 100 (Routine)
Dutch Harbor	United States	Record daily precipitation	38.1 mm (1.5 in)	31 of 100 (Routine)
Kutaisi	Georgia	Record daily precipitation	38.7 mm (1.5 in)	30 of 100 (Routine)
Pechora	Russia	Record high maximum temperature	30.1 C (86.2 F)	30 of 100 (Routine)

Counts by Type and Timescale

1,244 records

Records set or tied on 23 May 1991 by type: Highest daily maximum 244, Lowest daily maximum 123, Highest daily minimum 617, Lowest daily minimum 76, Heaviest daily rainfall 182, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 23 May 1991 by type
Record type	Records
Highest daily maximum	244
Lowest daily maximum	123
Highest daily minimum	617
Lowest daily minimum	76
Heaviest daily rainfall	182
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 23 May 1991 by timescale: all-time 3, monthly 57, daily 1,184.

How Much Records Were Beaten By

896 broken records

Margins by which the 896 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 64.7. Ties are not counted.

Top 20 by Significance

23 May 1991

Top 20 records on 23 May 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 May 1991	Park River, US	monthly rain	75.7 mm (3.0 in)	18.3 mm (0.7 in)	69 years	59 of 100 (Notable)
23 May 1991	Miller, US	daily rain	80.8 mm (3.2 in)	29.5 mm (1.2 in)	68 years	51 of 100 (Notable)
23 May 1991	Tot-Ma, RU	daily rain	25.4 mm (1.0 in)	8.4 mm (0.33 in)	74 years	49 of 100 (Notable)
23 May 1991	Keda, GE	daily rain	38.1 mm (1.5 in)	28.7 mm (1.1 in)	34 years	48 of 100 (Notable)
23 May 1991	Ust Tzilma, RU	monthly high min	16.6 C (61.9 F)	0.1 C (0.2 F)	94 years	48 of 100 (Notable)
23 May 1991	Intl Falls Intl AP, US	monthly rain	67.8 mm (2.7 in)	18.8 mm (0.7 in)	12 years	46 of 100 (Notable)
23 May 1991	Gumri, AM	daily low max	9.4 C (48.9 F)	3.2 C (5.8 F)	92 years	44 of 100 (Notable)
23 May 1991	Ignacio Lopez Rayon, MX	daily low min	15.0 C (59.0 F)	5.6 C (10.1 F)	0 years	43 of 100 (Notable)
23 May 1991	A Coruna, ES	daily high max	30.0 C (86.0 F)	6.5 C (11.7 F)	48 years	43 of 100 (Notable)
23 May 1991	Gothenburg, US	daily rain	64.3 mm (2.5 in)	18.8 mm (0.7 in)	57 years	43 of 100 (Notable)
23 May 1991	Lankaran, AZ	daily rain	27.2 mm (1.1 in)	6.3 mm (0.25 in)	81 years	41 of 100 (Notable)
23 May 1991	Nanchang, CN	daily rain	103.1 mm (4.1 in)	64.7 mm (2.5 in)	21 years	41 of 100 (Notable)
23 May 1991	New Iberia AP - Acadiana Rgnl, US	daily rain	66.3 mm (2.6 in)	13.0 mm (0.5 in)	84 years	41 of 100 (Notable)
23 May 1991	Caledonia, US	daily high min	19.4 C (66.9 F)	3.3 C (5.9 F)	88 years	41 of 100 (Notable)
23 May 1991	Morris W Cntrl Rsch & Outreach, US	daily high min	18.9 C (66.0 F)	0.6 C (1.1 F)	104 years	41 of 100 (Notable)
23 May 1991	Narrabri Bowling Club, AU	daily rain	35.3 mm (1.4 in)	3.5 mm (0.14 in)	90 years	39 of 100 (Notable)
23 May 1991	Bakhmaro, GE	daily rain	30.4 mm (1.2 in)	15.3 mm (0.6 in)	34 years	39 of 100 (Notable)
23 May 1991	Atoyac, MX	daily rain	25.9 mm (1.0 in)	20.3 mm (0.8 in)	36 years	39 of 100 (Notable)
23 May 1991	San Diego de Alejandria, MX	daily high max	41.7 C (107.1 F)	7.8 C (14.0 F)	28 years	39 of 100 (Notable)
23 May 1991	Bekdas, TM	monthly rain	39.5 mm (1.6 in)	3.5 mm (0.14 in)	54 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

1793 to 1991

Records set or tied on this calendar date in each year from 1793 to 1991. 1991 had 1,244 records.

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

Records on 05-23 in each year
Year	Records
1793	1
1794	1
1798	1
1817	1
1818	1
1837	3
1845	1
1847	2
1857	1
1863	1
1865	2
1866	5
1867	7
1870	2
1871	1
1875	1
1877	1
1878	1
1880	1
1884	2
1885	2
1886	4
1887	1
1889	2
1891	11
1893	3
1894	1
1895	3
1896	4
1897	3
1898	8
1899	3
1900	12
1901	3
1902	12
1903	6
1904	14
1905	10
1906	23
1907	11
1908	13
1909	23
1910	26
1911	39
1912	31
1913	29
1914	33
1915	13
1916	44
1917	58
1918	36
1919	120
1920	37
1921	92
1922	82
1923	99
1924	230
1925	325
1926	204
1927	243
1928	177
1929	221
1930	199
1931	719
1932	358
1933	443
1934	203
1935	369
1936	568
1937	156
1938	390
1939	415
1940	324
1941	676
1942	235
1943	342
1944	784
1945	241
1946	311
1947	285
1948	273
1949	612
1950	490
1951	400
1952	597
1953	777
1954	496
1955	650
1956	498
1957	653
1958	744
1959	486
1960	395
1961	412
1962	677
1963	1,153
1964	964
1965	477
1966	391
1967	1,055
1968	578
1969	437
1970	314
1971	659
1972	449
1973	371
1974	678
1975	855
1976	556
1977	596
1978	703
1979	730
1980	1,202
1981	862
1982	717
1983	1,123
1984	1,027
1985	608
1986	626
1987	745
1988	662
1989	1,106
1990	1,660
1991	1,244
1992	1,423
1993	845
1994	690
1995	1,106
1996	1,114
1997	983
1998	947
1999	705
2000	1,372
2001	1,441
2002	1,537
2003	954
2004	1,275
2005	908
2006	1,122
2007	1,170
2008	1,472
2009	805
2010	1,275
2011	1,001
2012	1,006
2013	929
2014	858
2015	667
2016	679
2017	602
2018	552
2019	1,044
2020	631
2021	837
2022	807
2023	316
2024	760
2025	865
2026	804

Download the Data

Data for records on 1991-05-23: 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	851
10 to 20	27
20 to 30	15
30 to 40	2
40 to 50	0
50 to 60	0
60 to 70	1