Weather Records on 29 May 2021

854 weather records were set or tied worldwide on 29 May 2021. Highest significance: Lankaran, AZ.

Key Facts for 29 May 2021

On 29 May 2021, 854 weather records were set or tied at long-record stations worldwide.
111 were record highs and 581 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 842 daily.
Lankaran set a daily record precipitation of 99.1 mm (3.9 in) on 29 May 2021.
Across 167 earlier years (1794 to 2026) the same calendar date averaged 420 records.

Record Map

854 stations

854 station records on 29 May 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 29 May 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lankaran	Azerbaijan	Record daily precipitation	99.1 mm (3.9 in)	68 of 100 (Major)
Blue Hill Coop	United States	Record daily precipitation	55.6 mm (2.2 in)	63 of 100 (Major)
Riverhead Rsch Farm	United States	Record daily precipitation	74.4 mm (2.9 in)	59 of 100 (Notable)
Tasiilaq	Greenland [Denmark]	Record daily precipitation	34.8 mm (1.4 in)	58 of 100 (Notable)
Norton W	United States	Record daily precipitation	52.3 mm (2.1 in)	58 of 100 (Notable)
Waverly	United States	Record daily precipitation	40.4 mm (1.6 in)	58 of 100 (Notable)
Trujillo Alto 2 SSW	Puerto Rico [United States]	Record daily precipitation	129.5 mm (5.1 in)	57 of 100 (Notable)
Storrs	United States	Record daily precipitation	55.6 mm (2.2 in)	55 of 100 (Notable)
Hacker Valley	United States	Record daily precipitation	68.8 mm (2.7 in)	55 of 100 (Notable)
E Wareham	United States	Record daily precipitation	62.5 mm (2.5 in)	54 of 100 (Notable)
Kapingamarangi	Federated States of Micronesia	Record daily precipitation	71.6 mm (2.8 in)	53 of 100 (Notable)
Kingston	United States	Record daily precipitation	56.6 mm (2.2 in)	52 of 100 (Notable)
Burnsville Lake	United States	Record daily precipitation	45.0 mm (1.8 in)	51 of 100 (Notable)
Knoxville	United States	Record low maximum temperature	8.3 C (46.9 F)	50 of 100 (Notable)
Monroe City	United States	Record low maximum temperature	11.1 C (52.0 F)	50 of 100 (Notable)
Hamelin Station	Australia	Record daily precipitation	27.0 mm (1.1 in)	48 of 100 (Notable)
Yallalong	Australia	Record daily precipitation	39.0 mm (1.5 in)	48 of 100 (Notable)
Spirit Lake	United States	Record low minimum temperature	2.2 C (36.0 F)	48 of 100 (Notable)
Hingham	United States	Record daily precipitation	63.8 mm (2.5 in)	48 of 100 (Notable)
Melangata	Australia	Record daily precipitation	27.0 mm (1.1 in)	46 of 100 (Notable)
Karara	Australia	Record daily precipitation	28.4 mm (1.1 in)	46 of 100 (Notable)
Milford	United States	Record daily precipitation	54.4 mm (2.1 in)	46 of 100 (Notable)
Rochester	United States	Record daily precipitation	51.8 mm (2.0 in)	46 of 100 (Notable)
E Stroudsburg	United States	Record low maximum temperature	9.4 C (48.9 F)	46 of 100 (Notable)
Elgin Water	United States	Record low maximum temperature	8.3 C (46.9 F)	45 of 100 (Notable)
Allerton	United States	Record low minimum temperature	4.4 C (39.9 F)	45 of 100 (Notable)
Audubon	United States	Record low maximum temperature	9.4 C (48.9 F)	45 of 100 (Notable)
Maquoketa	United States	Record low maximum temperature	8.9 C (48.0 F)	45 of 100 (Notable)
Cooperstown	United States	Record low maximum temperature	6.1 C (43.0 F)	45 of 100 (Notable)
Useless Loop	Australia	Record daily precipitation	40.6 mm (1.6 in)	44 of 100 (Notable)
Gleneva	Australia	Record daily precipitation	55.0 mm (2.2 in)	44 of 100 (Notable)
Kalbarri	Australia	Record daily precipitation	47.0 mm (1.9 in)	44 of 100 (Notable)
Chardzhev	Turkmenistan	Record high minimum temperature	25.4 C (77.7 F)	44 of 100 (Notable)
Auburn	United States	Record low maximum temperature	8.3 C (46.9 F)	44 of 100 (Notable)
Elmira	United States	Record low maximum temperature	10.0 C (50.0 F)	44 of 100 (Notable)
Morrisville 6 SW	United States	Record low maximum temperature	8.3 C (46.9 F)	44 of 100 (Notable)
Woonsocket	United States	Record daily precipitation	55.9 mm (2.2 in)	44 of 100 (Notable)
Spencer	United States	Record daily precipitation	39.4 mm (1.6 in)	44 of 100 (Notable)
Newark Liberty Intl AP	United States	Record low maximum temperature	11.1 C (52.0 F)	44 of 100 (Notable)
Mt Vernon 3 NE	United States	Record low maximum temperature	16.7 C (62.1 F)	43 of 100 (Notable)
Belle Plaine	United States	Record low maximum temperature	8.3 C (46.9 F)	43 of 100 (Notable)
Denison	United States	Record low maximum temperature	10.0 C (50.0 F)	43 of 100 (Notable)
Jamaica Plain	United States	Record daily precipitation	54.1 mm (2.1 in)	43 of 100 (Notable)
Milaca	United States	Record low maximum temperature	7.8 C (46.0 F)	43 of 100 (Notable)
Conception	United States	Record low maximum temperature	11.1 C (52.0 F)	43 of 100 (Notable)
Nevada Wtp	United States	Record low maximum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Alfred	United States	Record low maximum temperature	7.8 C (46.0 F)	43 of 100 (Notable)
Ithaca Cornell UNIV	United States	Record low maximum temperature	10.0 C (50.0 F)	43 of 100 (Notable)
Cornwall	United States	Record low maximum temperature	9.4 C (48.9 F)	43 of 100 (Notable)
Du Quoin 4 SE	United States	Record low maximum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Elgin Water	United States	Record low minimum temperature	2.8 C (37.0 F)	42 of 100 (Notable)
Logansport Cicott St	United States	Record low maximum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Fairfield	United States	Record low maximum temperature	8.3 C (46.9 F)	42 of 100 (Notable)
Postville	United States	Record low minimum temperature	0.0 C (32.0 F)	42 of 100 (Notable)
Spirit Lake	United States	Record low maximum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Northbridge 2	United States	Record daily precipitation	54.6 mm (2.1 in)	42 of 100 (Notable)
Princeton	United States	Record low maximum temperature	10.6 C (51.1 F)	42 of 100 (Notable)
Brockport	United States	Record low maximum temperature	9.4 C (48.9 F)	42 of 100 (Notable)
Neshaminy Falls	United States	Record low maximum temperature	10.0 C (50.0 F)	42 of 100 (Notable)
Pittsfield Muni AP	United States	Record low maximum temperature	7.8 C (46.0 F)	42 of 100 (Notable)

Counts by Type and Timescale

854 records

Records set or tied on 29 May 2021 by type: Highest daily maximum 47, Lowest daily maximum 412, Highest daily minimum 64, Lowest daily minimum 169, Heaviest daily rainfall 159, Heaviest daily snowfall 1, Deepest snow cover 2.

Records on 29 May 2021 by type
Record type	Records
Highest daily maximum	47
Lowest daily maximum	412
Highest daily minimum	64
Lowest daily minimum	169
Heaviest daily rainfall	159
Heaviest daily snowfall	1
Deepest snow cover	2

Records on 29 May 2021 by timescale: all-time 0, monthly 12, daily 842.

How Much Records Were Beaten By

715 broken records

Margins by which the 715 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 600.0. Ties are not counted.

Top 20 by Significance

29 May 2021

Top 20 records on 29 May 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 May 2021	Lankaran, AZ	daily rain	99.1 mm (3.9 in)	71.0 mm (2.8 in)	60 years	68 of 100 (Major)
29 May 2021	Blue Hill Coop, US	daily rain	55.6 mm (2.2 in)	24.4 mm (1.0 in)	104 years	63 of 100 (Major)
29 May 2021	Riverhead Rsch Farm, US	daily rain	74.4 mm (2.9 in)	40.6 mm (1.6 in)	40 years	59 of 100 (Notable)
29 May 2021	Tasiilaq, GL	daily rain	34.8 mm (1.4 in)	21.6 mm (0.9 in)	80 years	58 of 100 (Notable)
29 May 2021	Norton W, US	daily rain	52.3 mm (2.1 in)	19.3 mm (0.8 in)	104 years	58 of 100 (Notable)
29 May 2021	Waverly, US	daily rain	40.4 mm (1.6 in)	15.8 mm (0.6 in)	121 years	58 of 100 (Notable)
29 May 2021	Trujillo Alto 2 SSW, PR	daily rain	129.5 mm (5.1 in)	78.7 mm (3.1 in)	42 years	57 of 100 (Notable)
29 May 2021	Storrs, US	daily rain	55.6 mm (2.2 in)	17.0 mm (0.7 in)	104 years	55 of 100 (Notable)
29 May 2021	Hacker Valley, US	daily rain	68.8 mm (2.7 in)	39.6 mm (1.6 in)	40 years	55 of 100 (Notable)
29 May 2021	E Wareham, US	daily rain	62.5 mm (2.5 in)	15.8 mm (0.6 in)	104 years	54 of 100 (Notable)
29 May 2021	Kapingamarangi, FM	daily rain	71.6 mm (2.8 in)	60.7 mm (2.4 in)	50 years	53 of 100 (Notable)
29 May 2021	Kingston, US	daily rain	56.6 mm (2.2 in)	28.9 mm (1.1 in)	62 years	52 of 100 (Notable)
29 May 2021	Burnsville Lake, US	daily rain	45.0 mm (1.8 in)	21.9 mm (0.9 in)	71 years	51 of 100 (Notable)
29 May 2021	Knoxville, US	daily low max	8.3 C (46.9 F)	6.7 C (12.1 F)	94 years	50 of 100 (Notable)
29 May 2021	Monroe City, US	daily low max	11.1 C (52.0 F)	5.6 C (10.1 F)	114 years	50 of 100 (Notable)
29 May 2021	Hamelin Station, AU	daily rain	27.0 mm (1.1 in)	16.8 mm (0.7 in)	80 years	48 of 100 (Notable)
29 May 2021	Yallalong, AU	daily rain	39.0 mm (1.5 in)	13.1 mm (0.5 in)	88 years	48 of 100 (Notable)
29 May 2021	Spirit Lake, US	daily low min	2.2 C (36.0 F)	3.9 C (7.0 F)	123 years	48 of 100 (Notable)
29 May 2021	Hingham, US	daily rain	63.8 mm (2.5 in)	40.7 mm (1.6 in)	31 years	48 of 100 (Notable)
29 May 2021	Melangata, AU	daily rain	27.0 mm (1.1 in)	6.2 mm (0.24 in)	104 years	46 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

1794 to 2021

Records set or tied on this calendar date in each year from 1794 to 2021. 2021 had 854 records.

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

Records on 05-29 in each year
Year	Records
1794	1
1817	1
1818	1
1832	1
1834	1
1836	2
1844	1
1847	2
1852	1
1854	1
1858	1
1860	2
1862	1
1864	2
1865	3
1867	1
1868	1
1869	2
1870	1
1871	2
1875	1
1876	1
1881	2
1882	3
1883	1
1884	3
1885	1
1886	1
1887	1
1888	3
1889	3
1890	1
1891	1
1892	5
1893	5
1894	4
1895	1
1896	1
1897	3
1898	3
1899	6
1900	2
1901	13
1902	14
1903	5
1904	3
1905	7
1906	23
1907	16
1908	26
1909	6
1910	14
1911	26
1912	32
1913	24
1914	40
1915	17
1916	27
1917	43
1918	38
1919	92
1920	33
1921	170
1922	62
1923	103
1924	137
1925	84
1926	155
1927	290
1928	104
1929	331
1930	252
1931	429
1932	228
1933	346
1934	753
1935	114
1936	420
1937	311
1938	316
1939	309
1940	156
1941	629
1942	531
1943	246
1944	258
1945	326
1946	281
1947	1,298
1948	420
1949	347
1950	359
1951	493
1952	413
1953	501
1954	269
1955	454
1956	512
1957	251
1958	455
1959	352
1960	259
1961	608
1962	894
1963	378
1964	537
1965	455
1966	357
1967	562
1968	579
1969	762
1970	410
1971	885
1972	609
1973	517
1974	623
1975	599
1976	975
1977	458
1978	707
1979	750
1980	920
1981	601
1982	1,170
1983	1,266
1984	1,871
1985	1,006
1986	840
1987	1,119
1988	1,132
1989	874
1990	1,135
1991	1,387
1992	1,551
1993	558
1994	658
1995	929
1996	1,177
1997	1,119
1998	1,228
1999	863
2000	1,354
2001	958
2002	594
2003	1,164
2004	835
2005	904
2006	1,438
2007	1,246
2008	784
2009	618
2010	995
2011	1,540
2012	962
2013	731
2014	605
2015	462
2016	511
2017	732
2018	1,386
2019	929
2020	937
2021	854
2022	698
2023	392
2024	618
2025	578
2026	788

Download the Data

Data for records on 2021-05-29: 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 100	714
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	0
500 to 600	1