Weather Records on 21 May 1969

832 weather records were set or tied worldwide on 21 May 1969. Highest significance: Culbertson, US.

Key Facts for 21 May 1969

On 21 May 1969, 832 weather records were set or tied at long-record stations worldwide.
87 were record highs and 194 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 8 monthly and 823 daily.
Culbertson set a daily record precipitation of 94.0 mm (3.7 in) on 21 May 1969.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 458 records.

Record Map

832 stations

832 station records on 21 May 1969 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 May 1969: highest significance records shown on the map
Station	Country	Type	Value	Significance
Culbertson	United States	Record daily precipitation	94.0 mm (3.7 in)	71 of 100 (Major)
Ponce 4 E	Puerto Rico [United States]	Record daily precipitation	114.3 mm (4.5 in)	59 of 100 (Notable)
Chaibasa	India	Record daily precipitation	52.4 mm (2.1 in)	52 of 100 (Notable)
Bultfontein (Skl)	South Africa	Record daily precipitation	44.5 mm (1.8 in)	52 of 100 (Notable)
Mc Cook	United States	Record daily precipitation	87.1 mm (3.4 in)	52 of 100 (Notable)
Nandigama	India	Record daily precipitation	191.4 mm (7.5 in)	49 of 100 (Notable)
Odendaalsrus	South Africa	Record daily precipitation	42.0 mm (1.7 in)	49 of 100 (Notable)
Petrozawodsk	Russia	Record daily precipitation	37.0 mm (1.5 in)	48 of 100 (Notable)
Jonkersdam	South Africa	Record daily precipitation	47.0 mm (1.9 in)	48 of 100 (Notable)
Laxmanchanda	India	Record daily precipitation	30.7 mm (1.2 in)	47 of 100 (Notable)
Nelsdrift	South Africa	Record daily precipitation	39.0 mm (1.5 in)	47 of 100 (Notable)
Adamsonsvlei	South Africa	Record daily precipitation	40.0 mm (1.6 in)	47 of 100 (Notable)
Brakpan	South Africa	Record daily precipitation	59.7 mm (2.4 in)	44 of 100 (Notable)
Lefroy	Australia	Record daily precipitation	29.5 mm (1.2 in)	43 of 100 (Notable)
Nizamabad	India	Record daily precipitation	28.0 mm (1.1 in)	43 of 100 (Notable)
Fajardo	Puerto Rico [United States]	Record daily precipitation	145.5 mm (5.7 in)	43 of 100 (Notable)
Aardoorns	South Africa	Record daily precipitation	34.5 mm (1.4 in)	43 of 100 (Notable)
Ventersburg (Mag)	South Africa	Record daily precipitation	32.0 mm (1.3 in)	43 of 100 (Notable)
Hopewell	United States	Record daily precipitation	68.3 mm (2.7 in)	43 of 100 (Notable)
Myrtle Bank (Lanoma)	Australia	Record daily precipitation	58.4 mm (2.3 in)	42 of 100 (Notable)
Feitoria (Sao Felix)	Brazil	Record daily precipitation	54.0 mm (2.1 in)	42 of 100 (Notable)
Kargopol	Russia	Record daily precipitation	29.9 mm (1.2 in)	42 of 100 (Notable)
Vologda	Russia	Record daily precipitation	28.3 mm (1.1 in)	41 of 100 (Notable)
Doornpoort	South Africa	Record daily precipitation	37.7 mm (1.5 in)	40 of 100 (Notable)
Tweeling (Pol)	South Africa	Record daily precipitation	42.5 mm (1.7 in)	40 of 100 (Notable)
Pretoria-New Cemetry	South Africa	Record daily precipitation	35.0 mm (1.4 in)	40 of 100 (Notable)
Brandfort (Mag)	South Africa	Record daily precipitation	31.5 mm (1.2 in)	39 of 100 (Notable)
Bothaville (Mun)	South Africa	Record daily precipitation	40.5 mm (1.6 in)	39 of 100 (Notable)
Pudoz	Russia	Record daily precipitation	39.4 mm (1.6 in)	38 of 100 (Notable)
Stillewoning	South Africa	Record daily precipitation	38.0 mm (1.5 in)	38 of 100 (Notable)
Theunissen (Mun)	South Africa	Record daily precipitation	29.0 mm (1.1 in)	38 of 100 (Notable)
Hollowaysrust	South Africa	Record daily precipitation	28.5 mm (1.1 in)	38 of 100 (Notable)
Goedemoed	South Africa	Record daily precipitation	26.0 mm (1.0 in)	38 of 100 (Notable)
Wakeeney	United States	Record daily precipitation	44.2 mm (1.7 in)	38 of 100 (Notable)
Chestertown	United States	Record daily precipitation	36.8 mm (1.4 in)	38 of 100 (Notable)
Tot-Ma	Russia	Record daily precipitation	28.2 mm (1.1 in)	37 of 100 (Notable)
Leeupoort	South Africa	Record daily precipitation	37.0 mm (1.5 in)	37 of 100 (Notable)
Eagle	United States	Record low minimum temperature	-10.0 C (14.0 F)	37 of 100 (Notable)
Mulgul	Australia	Record daily precipitation	30.7 mm (1.2 in)	36 of 100 (Notable)
Tiruvur(Tiruvvru)	India	Record daily precipitation	52.3 mm (2.1 in)	36 of 100 (Notable)
Cologne	South Africa	Record daily precipitation	43.0 mm (1.7 in)	36 of 100 (Notable)
Doornkom	South Africa	Record daily precipitation	36.0 mm (1.4 in)	36 of 100 (Notable)
Tandarra	Australia	Record daily precipitation	26.4 mm (1.0 in)	35 of 100 (Notable)
Velsk	Russia	Record daily precipitation	30.9 mm (1.2 in)	35 of 100 (Notable)
Durban-Botanical Gardens	South Africa	Record daily precipitation	68.0 mm (2.7 in)	35 of 100 (Notable)
Storrs	United States	Record daily precipitation	52.8 mm (2.1 in)	35 of 100 (Notable)
Olivine	South Africa	Record daily precipitation	42.0 mm (1.7 in)	34 of 100 (Routine)
Taung	South Africa	Record daily precipitation	28.5 mm (1.1 in)	34 of 100 (Routine)
Wesselsbron (Mun)	South Africa	Record daily precipitation	38.0 mm (1.5 in)	34 of 100 (Routine)
Wilgerivier (Sar)	South Africa	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
Phillipsburg 1 SSE	United States	Record daily precipitation	60.2 mm (2.4 in)	34 of 100 (Routine)
Broadus	United States	Record daily snowfall	7.6 cm (3.0 in)	34 of 100 (Routine)
Belle Fourche	United States	Record daily snowfall	5.1 cm (2.0 in)	34 of 100 (Routine)
Charlottesville 1 W	United States	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Hillwood (Hillwoodville)	Australia	Record daily precipitation	25.9 mm (1.0 in)	33 of 100 (Routine)
Mayaguez City	Puerto Rico [United States]	Record high minimum temperature	24.4 C (75.9 F)	33 of 100 (Routine)
Mansfield	United States	Record daily precipitation	40.4 mm (1.6 in)	33 of 100 (Routine)
Edgerton	United States	Record daily precipitation	54.9 mm (2.2 in)	33 of 100 (Routine)
Port Stanley	Canada	Record low maximum temperature	11.7 C (53.1 F)	32 of 100 (Routine)
Academy 2NE	United States	Record daily precipitation	35.6 mm (1.4 in)	32 of 100 (Routine)

Counts by Type and Timescale

832 records

Records set or tied on 21 May 1969 by type: Highest daily maximum 45, Lowest daily maximum 104, Highest daily minimum 42, Lowest daily minimum 90, Heaviest daily rainfall 542, Heaviest daily snowfall 9.

Records on 21 May 1969 by type
Record type	Records
Highest daily maximum	45
Lowest daily maximum	104
Highest daily minimum	42
Lowest daily minimum	90
Heaviest daily rainfall	542
Heaviest daily snowfall	9
Deepest snow cover	0

Records on 21 May 1969 by timescale: all-time 1, monthly 8, daily 823.

How Much Records Were Beaten By

734 broken records

Margins by which the 734 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 140.6. Ties are not counted.

Top 20 by Significance

21 May 1969

Top 20 records on 21 May 1969 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 May 1969	Culbertson, US	daily rain	94.0 mm (3.7 in)	69.4 mm (2.7 in)	77 years	71 of 100 (Major)
21 May 1969	Ponce 4 E, PR	daily rain	114.3 mm (4.5 in)	97.0 mm (3.8 in)	42 years	59 of 100 (Notable)
21 May 1969	Chaibasa, IN	daily rain	52.4 mm (2.1 in)	40.7 mm (1.6 in)	28 years	52 of 100 (Notable)
21 May 1969	Bultfontein (Skl), ZA	daily rain	44.5 mm (1.8 in)	34.6 mm (1.4 in)	26 years	52 of 100 (Notable)
21 May 1969	Mc Cook, US	daily rain	87.1 mm (3.4 in)	55.9 mm (2.2 in)	18 years	52 of 100 (Notable)
21 May 1969	Nandigama, IN	daily rain	191.4 mm (7.5 in)	140.6 mm (5.5 in)	12 years	49 of 100 (Notable)
21 May 1969	Odendaalsrus, ZA	daily rain	42.0 mm (1.7 in)	29.3 mm (1.2 in)	26 years	49 of 100 (Notable)
21 May 1969	Petrozawodsk, RU	daily rain	37.0 mm (1.5 in)	20.3 mm (0.8 in)	18 years	48 of 100 (Notable)
21 May 1969	Jonkersdam, ZA	daily rain	47.0 mm (1.9 in)	34.8 mm (1.4 in)	30 years	48 of 100 (Notable)
21 May 1969	Laxmanchanda, IN	daily rain	30.7 mm (1.2 in)	29.4 mm (1.2 in)	32 years	47 of 100 (Notable)
21 May 1969	Nelsdrift, ZA	daily rain	39.0 mm (1.5 in)	28.8 mm (1.1 in)	26 years	47 of 100 (Notable)
21 May 1969	Adamsonsvlei, ZA	daily rain	40.0 mm (1.6 in)	29.8 mm (1.2 in)	26 years	47 of 100 (Notable)
21 May 1969	Brakpan, ZA	daily rain	59.7 mm (2.4 in)	34.8 mm (1.4 in)	44 years	44 of 100 (Notable)
21 May 1969	Lefroy, AU	daily rain	29.5 mm (1.2 in)	20.1 mm (0.8 in)	46 years	43 of 100 (Notable)
21 May 1969	Nizamabad, IN	daily rain	28.0 mm (1.1 in)	23.4 mm (0.9 in)	50 years	43 of 100 (Notable)
21 May 1969	Fajardo, PR	daily rain	145.5 mm (5.7 in)	80.0 mm (3.1 in)	19 years	43 of 100 (Notable)
21 May 1969	Aardoorns, ZA	daily rain	34.5 mm (1.4 in)	29.7 mm (1.2 in)	24 years	43 of 100 (Notable)
21 May 1969	Ventersburg (Mag), ZA	daily rain	32.0 mm (1.3 in)	22.3 mm (0.9 in)	35 years	43 of 100 (Notable)
21 May 1969	Hopewell, US	daily rain	68.3 mm (2.7 in)	31.7 mm (1.2 in)	38 years	43 of 100 (Notable)
21 May 1969	Myrtle Bank (Lanoma), AU	daily rain	58.4 mm (2.3 in)	41.6 mm (1.6 in)	32 years	42 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 1969

Records set or tied on this calendar date in each year from 1793 to 1969. 1969 had 832 records.

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

Records on 05-21 in each year
Year	Records
1793	1
1795	1
1811	1
1837	2
1842	1
1847	2
1854	1
1857	1
1858	1
1865	1
1866	1
1870	2
1875	1
1876	1
1880	2
1882	1
1885	1
1886	2
1887	3
1889	5
1890	3
1891	6
1892	1
1893	1
1894	4
1895	4
1896	5
1897	2
1898	1
1899	5
1900	1
1901	3
1902	4
1903	26
1904	8
1905	7
1906	12
1907	36
1908	13
1909	13
1910	14
1911	87
1912	24
1913	13
1914	26
1915	24
1916	13
1917	76
1918	51
1919	170
1920	39
1921	158
1922	39
1923	125
1924	148
1925	250
1926	221
1927	207
1928	173
1929	247
1930	133
1931	488
1932	343
1933	290
1934	590
1935	190
1936	328
1937	227
1938	348
1939	355
1940	456
1941	525
1942	482
1943	463
1944	310
1945	515
1946	324
1947	485
1948	312
1949	593
1950	403
1951	271
1952	385
1953	501
1954	961
1955	507
1956	409
1957	709
1958	511
1959	684
1960	615
1961	306
1962	553
1963	598
1964	788
1965	238
1966	296
1967	1,022
1968	549
1969	832
1970	449
1971	536
1972	557
1973	493
1974	847
1975	1,160
1976	393
1977	756
1978	575
1979	787
1980	857
1981	1,550
1982	599
1983	1,106
1984	950
1985	610
1986	908
1987	1,242
1988	819
1989	671
1990	947
1991	1,065
1992	1,143
1993	1,197
1994	656
1995	749
1996	1,461
1997	953
1998	1,200
1999	544
2000	897
2001	1,187
2002	2,048
2003	807
2004	898
2005	1,020
2006	810
2007	894
2008	740
2009	1,315
2010	962
2011	959
2012	848
2013	884
2014	522
2015	956
2016	567
2017	780
2018	525
2019	1,668
2020	707
2021	1,131
2022	1,512
2023	794
2024	751
2025	776
2026	356

Download the Data

Data for records on 1969-05-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	675
20 to 40	46
40 to 60	8
60 to 80	2
80 to 100	2
100 to 120	0
120 to 140	0
140 to 160	1