Weather Records on 29 May 2009

618 weather records were set or tied worldwide on 29 May 2009. Highest significance: Port Allegany, US.

Key Facts for 29 May 2009

On 29 May 2009, 618 weather records were set or tied at long-record stations worldwide.
257 were record highs and 198 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 27 monthly and 585 daily.
Port Allegany set a monthly record daily precipitation of 76.7 mm (3.0 in) on 29 May 2009.
Across 167 earlier years (1794 to 2026) the same calendar date averaged 421 records.

Record Map

618 stations

618 station records on 29 May 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 29 May 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Port Allegany	United States	Record daily precipitation	76.7 mm (3.0 in)	71 of 100 (Major)
Perevoz	Russia	Record daily precipitation	46.7 mm (1.8 in)	66 of 100 (Major)
Sunbury	United States	Record daily precipitation	55.1 mm (2.2 in)	65 of 100 (Major)
Tokyo	Japan	Record daily precipitation	93.0 mm (3.7 in)	61 of 100 (Major)
Selinsgrove 2 S	United States	Record daily precipitation	66.3 mm (2.6 in)	61 of 100 (Major)
Chichibu	Japan	Record daily precipitation	73.2 mm (2.9 in)	56 of 100 (Notable)
Lensk	Russia	Record daily precipitation	35.2 mm (1.4 in)	56 of 100 (Notable)
Yokohama	Japan	Record daily precipitation	77.0 mm (3.0 in)	51 of 100 (Notable)
Jasper	United States	Record daily precipitation	28.7 mm (1.1 in)	51 of 100 (Notable)
Franklinville	United States	Record daily precipitation	33.5 mm (1.3 in)	50 of 100 (Notable)
Suntar	Russia	Record daily precipitation	31.3 mm (1.2 in)	49 of 100 (Notable)
Kane 1NNE	United States	Record daily precipitation	48.5 mm (1.9 in)	49 of 100 (Notable)
San Felipe	Mexico	Record daily precipitation	95.0 mm (3.7 in)	48 of 100 (Notable)
Borisov	Belarus	Record daily precipitation	37.3 mm (1.5 in)	47 of 100 (Notable)
Kurnool	India	Record daily precipitation	72.9 mm (2.9 in)	45 of 100 (Notable)
Simao	China	Record daily precipitation	65.7 mm (2.6 in)	43 of 100 (Notable)
Carlisle Wtp	United States	Record daily precipitation	38.4 mm (1.5 in)	43 of 100 (Notable)
Manuel Avila Camacho	Mexico	Record low minimum temperature	5.6 C (42.1 F)	42 of 100 (Notable)
Tamarindo	Mexico	Record low minimum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Rincon del Porvenir	Mexico	Record daily precipitation	49.8 mm (2.0 in)	41 of 100 (Notable)
A Coruna	Spain	Record high maximum temperature	30.0 C (86.0 F)	41 of 100 (Notable)
Taylorsville 2SW	United States	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Woodstock	United States	Record low maximum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Gastonia	United States	Record daily precipitation	48.3 mm (1.9 in)	40 of 100 (Notable)
Iaeger 1SW	United States	Record daily precipitation	54.9 mm (2.2 in)	40 of 100 (Notable)
San Jose Acateno	Mexico	Record daily precipitation	119.6 mm (4.7 in)	39 of 100 (Notable)
Haugan 1 W	United States	Record low minimum temperature	-6.7 C (19.9 F)	39 of 100 (Notable)
Lowell	United States	Record low maximum temperature	10.0 C (50.0 F)	38 of 100 (Notable)
Eden	United States	Record low minimum temperature	3.3 C (37.9 F)	38 of 100 (Notable)
Cavendish	United States	Record low maximum temperature	10.0 C (50.0 F)	38 of 100 (Notable)
Haverhill	United States	Record low maximum temperature	8.9 C (48.0 F)	37 of 100 (Notable)
Buffalo Mills	United States	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Xichu	Mexico	Record daily precipitation	39.9 mm (1.6 in)	36 of 100 (Notable)
Huntingdon	United States	Record daily precipitation	50.3 mm (2.0 in)	36 of 100 (Notable)
Haikou	China	Record daily precipitation	102.8 mm (4.0 in)	35 of 100 (Notable)
Mamulique	Mexico	Record daily precipitation	49.0 mm (1.9 in)	35 of 100 (Notable)
Borzja	Russia	Record low maximum temperature	10.5 C (50.9 F)	35 of 100 (Notable)
Junction 4SSW	United States	Record daily precipitation	71.4 mm (2.8 in)	35 of 100 (Notable)
Enyeje	Mexico	Record high minimum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Bjorkasen	Norway	Record daily precipitation	30.0 mm (1.2 in)	34 of 100 (Routine)
Taksimo	Russia	Record daily precipitation	28.2 mm (1.1 in)	34 of 100 (Routine)
Gigant	Russia	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Presa El Bosque (Cfe)	Mexico	Record low minimum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Chalchihuites (Smn)	Mexico	Record low minimum temperature	3.9 C (39.0 F)	33 of 100 (Routine)
Cerro Maravilla	Puerto Rico [United States]	Record high minimum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Cottage Grove 2E	United States	Record high maximum temperature	31.1 C (88.0 F)	33 of 100 (Routine)
Omak 4 N	United States	Record high maximum temperature	33.9 C (93.0 F)	33 of 100 (Routine)
Hachijojima	Japan	Record daily precipitation	142.0 mm (5.6 in)	32 of 100 (Routine)
San Nicolas Tolentino	Mexico	Record daily precipitation	45.0 mm (1.8 in)	31 of 100 (Routine)
East London	South Africa	Record daily precipitation	89.9 mm (3.5 in)	31 of 100 (Routine)
Fallon Exp STN	United States	Record high minimum temperature	18.3 C (64.9 F)	31 of 100 (Routine)
McColl 3 NNW	United States	Record low minimum temperature	7.2 C (45.0 F)	31 of 100 (Routine)
Man	United States	Record daily precipitation	43.9 mm (1.7 in)	31 of 100 (Routine)
Stampede Pass	United States	Record high minimum temperature	14.4 C (57.9 F)	31 of 100 (Routine)
Bolton Point (the Ridge Way)	Australia	Record daily precipitation	36.4 mm (1.4 in)	30 of 100 (Routine)
Santa Elena	Mexico	Record low maximum temperature	22.8 C (73.0 F)	30 of 100 (Routine)
Mamakan	Russia	Record daily precipitation	27.3 mm (1.1 in)	30 of 100 (Routine)
Cheraw	United States	Record daily precipitation	40.4 mm (1.6 in)	30 of 100 (Routine)
Oshima	Japan	Record daily precipitation	240.5 mm (9.5 in)	29 of 100 (Routine)
Nagornyj	Russia	Record daily precipitation	25.1 mm (1.0 in)	29 of 100 (Routine)

Counts by Type and Timescale

618 records

Records set or tied on 29 May 2009 by type: Highest daily maximum 120, Lowest daily maximum 114, Highest daily minimum 137, Lowest daily minimum 84, Heaviest daily rainfall 163.

Records on 29 May 2009 by type
Record type	Records
Highest daily maximum	120
Lowest daily maximum	114
Highest daily minimum	137
Lowest daily minimum	84
Heaviest daily rainfall	163
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 29 May 2009 by timescale: all-time 6, monthly 27, daily 585.

How Much Records Were Beaten By

441 broken records

Margins by which the 441 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 80.0. Ties are not counted.

Top 20 by Significance

29 May 2009

Top 20 records on 29 May 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 May 2009	Port Allegany, US	monthly rain	76.7 mm (3.0 in)	27.7 mm (1.1 in)	60 years	71 of 100 (Major)
29 May 2009	Perevoz, RU	monthly rain	46.7 mm (1.8 in)	21.9 mm (0.9 in)	32 years	66 of 100 (Major)
29 May 2009	Sunbury, US	daily rain	55.1 mm (2.2 in)	38.6 mm (1.5 in)	76 years	65 of 100 (Major)
29 May 2009	Tokyo, JP	daily rain	93.0 mm (3.7 in)	63.2 mm (2.5 in)	54 years	61 of 100 (Major)
29 May 2009	Selinsgrove 2 S, US	daily rain	66.3 mm (2.6 in)	22.6 mm (0.9 in)	108 years	61 of 100 (Major)
29 May 2009	Chichibu, JP	daily rain	73.2 mm (2.9 in)	45.4 mm (1.8 in)	44 years	56 of 100 (Notable)
29 May 2009	Lensk, RU	monthly rain	35.2 mm (1.4 in)	11.2 mm (0.4 in)	11 years	56 of 100 (Notable)
29 May 2009	Yokohama, JP	daily rain	77.0 mm (3.0 in)	49.5 mm (1.9 in)	54 years	51 of 100 (Notable)
29 May 2009	Jasper, US	daily rain	28.7 mm (1.1 in)	16.0 mm (0.6 in)	110 years	51 of 100 (Notable)
29 May 2009	Franklinville, US	daily rain	33.5 mm (1.3 in)	7.8 mm (0.31 in)	108 years	50 of 100 (Notable)
29 May 2009	Suntar, RU	daily rain	31.3 mm (1.2 in)	13.0 mm (0.5 in)	12 years	49 of 100 (Notable)
29 May 2009	Kane 1NNE, US	daily rain	48.5 mm (1.9 in)	24.9 mm (1.0 in)	46 years	49 of 100 (Notable)
29 May 2009	San Felipe, MX	daily rain	95.0 mm (3.7 in)	80.0 mm (3.1 in)	26 years	48 of 100 (Notable)
29 May 2009	Borisov, BY	daily rain	37.3 mm (1.5 in)	22.9 mm (0.9 in)	8 years	47 of 100 (Notable)
29 May 2009	Kurnool, IN	daily rain	72.9 mm (2.9 in)	31.8 mm (1.3 in)	58 years	45 of 100 (Notable)
29 May 2009	Simao, CN	daily rain	65.7 mm (2.6 in)	30.0 mm (1.2 in)	48 years	43 of 100 (Notable)
29 May 2009	Carlisle Wtp, US	daily rain	38.4 mm (1.5 in)	5.4 mm (0.21 in)	159 years	43 of 100 (Notable)
29 May 2009	Manuel Avila Camacho, MX	daily low min	5.6 C (42.1 F)	4.4 C (7.9 F)	79 years	42 of 100 (Notable)
29 May 2009	Tamarindo, MX	daily low min	16.7 C (62.1 F)	3.9 C (7.0 F)	51 years	42 of 100 (Notable)
29 May 2009	Rincon del Porvenir, MX	daily rain	49.8 mm (2.0 in)	26.9 mm (1.1 in)	36 years	41 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 2009

Records set or tied on this calendar date in each year from 1794 to 2009. 2009 had 618 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 2009-05-29: 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 10	386
10 to 20	26
20 to 30	15
30 to 40	8
40 to 50	3
50 to 60	0
60 to 70	1
70 to 80	2