Weather Records on 23 May 1971

659 weather records were set or tied worldwide on 23 May 1971. Highest significance: Napoleon, US.

Key Facts for 23 May 1971

On 23 May 1971, 659 weather records were set or tied at long-record stations worldwide.
69 were record highs and 297 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 13 monthly and 645 daily.
Napoleon set a daily record precipitation of 52.1 mm (2.1 in) on 23 May 1971.
Across 158 earlier years (1793 to 2026) the same calendar date averaged 461 records.

Record Map

659 stations

659 station records on 23 May 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 May 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Napoleon	United States	Record daily precipitation	52.1 mm (2.1 in)	66 of 100 (Major)
Lugansk	Ukraine	Record daily precipitation	40.9 mm (1.6 in)	55 of 100 (Notable)
Ashley	United States	Record daily precipitation	52.3 mm (2.1 in)	55 of 100 (Notable)
Niederworresbach	Germany	Record daily precipitation	30.9 mm (1.2 in)	54 of 100 (Notable)
Metten	Germany	Record daily precipitation	63.2 mm (2.5 in)	54 of 100 (Notable)
Dupree	United States	Record daily precipitation	76.5 mm (3.0 in)	53 of 100 (Notable)
Lusk 2 SW	United States	Record daily precipitation	66.8 mm (2.6 in)	53 of 100 (Notable)
Schreiber	Canada	Record daily precipitation	49.3 mm (1.9 in)	52 of 100 (Notable)
Pokolbin (Ben Ean)	Australia	Record daily precipitation	52.3 mm (2.1 in)	51 of 100 (Notable)
Koln-Bonn	Germany	Record daily precipitation	57.9 mm (2.3 in)	51 of 100 (Notable)
Pommelsbrunn	Germany	Record daily precipitation	28.8 mm (1.1 in)	51 of 100 (Notable)
Milesville 5 NE	United States	Record daily precipitation	81.0 mm (3.2 in)	51 of 100 (Notable)
Heidenheim/Brenz	Germany	Record daily precipitation	40.0 mm (1.6 in)	50 of 100 (Notable)
Salmon Hole	Canada	Record daily precipitation	64.3 mm (2.5 in)	48 of 100 (Notable)
Kakabeka Falls	Canada	Record daily precipitation	39.4 mm (1.6 in)	47 of 100 (Notable)
Ardmore 1 NW	United States	Record daily precipitation	89.9 mm (3.5 in)	47 of 100 (Notable)
Eureka	United States	Record daily precipitation	50.3 mm (2.0 in)	47 of 100 (Notable)
O'Neill	United States	Record daily precipitation	104.9 mm (4.1 in)	46 of 100 (Notable)
Cameron Falls	Canada	Record daily precipitation	42.4 mm (1.7 in)	45 of 100 (Notable)
Neustadt/Weinstrasse	Germany	Record daily precipitation	26.6 mm (1.0 in)	45 of 100 (Notable)
Guayama 1SW	Puerto Rico [United States]	Record daily precipitation	78.5 mm (3.1 in)	45 of 100 (Notable)
Fullerton 1 ESE	United States	Record daily precipitation	40.1 mm (1.6 in)	45 of 100 (Notable)
Oelrichs	United States	Record daily precipitation	110.7 mm (4.4 in)	45 of 100 (Notable)
Jamestown State Hosp	United States	Record daily precipitation	39.6 mm (1.6 in)	44 of 100 (Notable)
Tyndall	United States	Record daily precipitation	69.9 mm (2.8 in)	44 of 100 (Notable)
Illalangi	Australia	Record daily precipitation	44.5 mm (1.8 in)	43 of 100 (Notable)
Kentville Cda	Canada	Record daily precipitation	36.6 mm (1.4 in)	43 of 100 (Notable)
Springfield	United States	Record daily precipitation	59.9 mm (2.4 in)	43 of 100 (Notable)
Mount Uniacke	Canada	Record daily precipitation	59.7 mm (2.4 in)	42 of 100 (Notable)
Linton	United States	Record daily precipitation	43.7 mm (1.7 in)	42 of 100 (Notable)
Grassmere	Australia	Record daily precipitation	46.2 mm (1.8 in)	41 of 100 (Notable)
Hopetoun	Australia	Record daily precipitation	35.6 mm (1.4 in)	41 of 100 (Notable)
Dull Ctr 1SE	United States	Record daily precipitation	51.1 mm (2.0 in)	40 of 100 (Notable)
Santa Cruz Juventino Rosas (S	Mexico	Record high minimum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Youngs Siding	Australia	Record daily precipitation	38.1 mm (1.5 in)	38 of 100 (Notable)
Boyatup	Australia	Record daily precipitation	50.3 mm (2.0 in)	38 of 100 (Notable)
Roth Bei Nurnberg	Germany	Record daily precipitation	47.2 mm (1.9 in)	38 of 100 (Notable)
Stuttgart	Germany	Record daily precipitation	39.4 mm (1.6 in)	38 of 100 (Notable)
Paonia 1SW	United States	Record low maximum temperature	12.2 C (54.0 F)	38 of 100 (Notable)
Newport	United States	Record daily precipitation	41.9 mm (1.6 in)	38 of 100 (Notable)
Hilland 2 NW	United States	Record daily precipitation	63.0 mm (2.5 in)	38 of 100 (Notable)
Mount Barker	Australia	Record daily precipitation	36.8 mm (1.4 in)	37 of 100 (Notable)
Jamberoo (Lorna)	Australia	Record daily precipitation	45.0 mm (1.8 in)	37 of 100 (Notable)
Cruz Do Espirito Santo	Brazil	Record daily precipitation	68.6 mm (2.7 in)	37 of 100 (Notable)
Delft	Netherlands	Record daily precipitation	26.5 mm (1.0 in)	37 of 100 (Notable)
Wessington Springs	United States	Record daily precipitation	43.4 mm (1.7 in)	37 of 100 (Notable)
Springview 2NW	United States	Record daily precipitation	29.5 mm (1.2 in)	36 of 100 (Notable)
Chugwater	United States	Record daily precipitation	43.2 mm (1.7 in)	36 of 100 (Notable)
King River	Australia	Record daily precipitation	41.7 mm (1.6 in)	35 of 100 (Notable)
Coleman	Germany	Record daily precipitation	34.6 mm (1.4 in)	35 of 100 (Notable)
Fayette	United States	Record low minimum temperature	6.1 C (43.0 F)	35 of 100 (Notable)
Canistota 2 N	United States	Record daily precipitation	40.6 mm (1.6 in)	35 of 100 (Notable)
Lead	United States	Record daily snowfall	12.7 cm (5.0 in)	35 of 100 (Notable)
Mobridge 2NNW	United States	Record daily precipitation	41.4 mm (1.6 in)	35 of 100 (Notable)
Nurnberg-Buchenbuehl	Germany	Record daily precipitation	26.0 mm (1.0 in)	34 of 100 (Routine)
Nogales	United States	Record low minimum temperature	-0.6 C (30.9 F)	34 of 100 (Routine)
Albany	Australia	Record daily precipitation	39.6 mm (1.6 in)	33 of 100 (Routine)
Barrett Meadows	Australia	Record daily precipitation	40.4 mm (1.6 in)	33 of 100 (Routine)
Port Hastings	Canada	Record daily precipitation	29.5 mm (1.2 in)	33 of 100 (Routine)
Ijsselmonde	Netherlands	Record daily precipitation	26.3 mm (1.0 in)	33 of 100 (Routine)

Counts by Type and Timescale

659 records

Records set or tied on 23 May 1971 by type: Highest daily maximum 23, Lowest daily maximum 166, Highest daily minimum 46, Lowest daily minimum 131, Heaviest daily rainfall 283, Heaviest daily snowfall 6, Deepest snow cover 4.

Records on 23 May 1971 by type
Record type	Records
Highest daily maximum	23
Lowest daily maximum	166
Highest daily minimum	46
Lowest daily minimum	131
Heaviest daily rainfall	283
Heaviest daily snowfall	6
Deepest snow cover	4

Records on 23 May 1971 by timescale: all-time 1, monthly 13, daily 645.

How Much Records Were Beaten By

543 broken records

Margins by which the 543 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 203.0. Ties are not counted.

Top 20 by Significance

23 May 1971

Top 20 records on 23 May 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 May 1971	Napoleon, US	daily rain	52.1 mm (2.1 in)	31.3 mm (1.2 in)	71 years	66 of 100 (Major)
23 May 1971	Lugansk, UA	daily rain	40.9 mm (1.6 in)	13.6 mm (0.5 in)	87 years	55 of 100 (Notable)
23 May 1971	Ashley, US	daily rain	52.3 mm (2.1 in)	27.4 mm (1.1 in)	65 years	55 of 100 (Notable)
23 May 1971	Niederworresbach, DE	daily rain	30.9 mm (1.2 in)	21.3 mm (0.8 in)	36 years	54 of 100 (Notable)
23 May 1971	Metten, DE	daily rain	63.2 mm (2.5 in)	46.0 mm (1.8 in)	16 years	54 of 100 (Notable)
23 May 1971	Dupree, US	monthly rain	76.5 mm (3.0 in)	29.0 mm (1.1 in)	13 years	53 of 100 (Notable)
23 May 1971	Lusk 2 SW, US	daily rain	66.8 mm (2.6 in)	31.2 mm (1.2 in)	49 years	53 of 100 (Notable)
23 May 1971	Schreiber, CA	daily rain	49.3 mm (1.9 in)	25.4 mm (1.0 in)	52 years	52 of 100 (Notable)
23 May 1971	Pokolbin (Ben Ean), AU	daily rain	52.3 mm (2.1 in)	37.8 mm (1.5 in)	64 years	51 of 100 (Notable)
23 May 1971	Koln-Bonn, DE	monthly rain	57.9 mm (2.3 in)	17.8 mm (0.7 in)	11 years	51 of 100 (Notable)
23 May 1971	Pommelsbrunn, DE	daily rain	28.8 mm (1.1 in)	13.8 mm (0.5 in)	66 years	51 of 100 (Notable)
23 May 1971	Milesville 5 NE, US	daily rain	81.0 mm (3.2 in)	67.0 mm (2.6 in)	16 years	51 of 100 (Notable)
23 May 1971	Heidenheim/Brenz, DE	daily rain	40.0 mm (1.6 in)	27.1 mm (1.1 in)	20 years	50 of 100 (Notable)
23 May 1971	Salmon Hole, CA	daily rain	64.3 mm (2.5 in)	46.0 mm (1.8 in)	17 years	48 of 100 (Notable)
23 May 1971	Kakabeka Falls, CA	daily rain	39.4 mm (1.6 in)	18.3 mm (0.7 in)	52 years	47 of 100 (Notable)
23 May 1971	Ardmore 1 NW, US	daily rain	89.9 mm (3.5 in)	58.1 mm (2.3 in)	5 years	47 of 100 (Notable)
23 May 1971	Eureka, US	daily rain	50.3 mm (2.0 in)	29.2 mm (1.1 in)	24 years	47 of 100 (Notable)
23 May 1971	O'Neill, US	monthly rain	104.9 mm (4.1 in)	13.0 mm (0.5 in)	58 years	46 of 100 (Notable)
23 May 1971	Cameron Falls, CA	daily rain	42.4 mm (1.7 in)	30.5 mm (1.2 in)	4 years	45 of 100 (Notable)
23 May 1971	Neustadt/Weinstrasse, DE	daily rain	26.6 mm (1.0 in)	18.4 mm (0.7 in)	36 years	45 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 1971

Records set or tied on this calendar date in each year from 1793 to 1971. 1971 had 659 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 1971-05-23: 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 50	537
50 to 100	4
100 to 150	1
150 to 200	0
200 to 250	1