Weather Records on 11 May 2009

605 weather records were set or tied worldwide on 11 May 2009. Highest significance: Farmerville, US.

Key Facts for 11 May 2009

On 11 May 2009, 605 weather records were set or tied at long-record stations worldwide.
304 were record highs and 149 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 16 monthly and 583 daily.
Farmerville set a daily record precipitation of 127.0 mm (5.0 in) on 11 May 2009.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 462 records.

Record Map

605 stations

605 station records on 11 May 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Farmerville	United States	Record daily precipitation	127.0 mm (5.0 in)	68 of 100 (Major)
Bastrop	United States	Record daily precipitation	62.5 mm (2.5 in)	60 of 100 (Major)
Wynyard Airport	Australia	Record daily precipitation	45.6 mm (1.8 in)	58 of 100 (Notable)
Givhans Ferry 2 ESE	United States	Record daily precipitation	63.2 mm (2.5 in)	56 of 100 (Notable)
Lake Providence	United States	Record daily precipitation	78.0 mm (3.1 in)	55 of 100 (Notable)
Rison	United States	Record low maximum temperature	15.6 C (60.1 F)	53 of 100 (Notable)
Bluff Lake	United States	Record daily precipitation	84.3 mm (3.3 in)	51 of 100 (Notable)
El Dorado Goodwin Fld	United States	Record daily precipitation	61.5 mm (2.4 in)	51 of 100 (Notable)
Grunnfjord - Stakken	Norway	Record daily precipitation	45.7 mm (1.8 in)	48 of 100 (Notable)
Crossett 2 SSE	United States	Record daily precipitation	114.3 mm (4.5 in)	48 of 100 (Notable)
Youngs Siding	Australia	Record daily precipitation	25.4 mm (1.0 in)	46 of 100 (Notable)
Santiago Chivela	Mexico	Record daily precipitation	47.8 mm (1.9 in)	46 of 100 (Notable)
Malvern	United States	Record low maximum temperature	16.7 C (62.1 F)	44 of 100 (Notable)
Acatlan de Osorio (Smn)	Mexico	Record high minimum temperature	27.8 C (82.0 F)	41 of 100 (Notable)
Aldan	Russia	Record daily precipitation	36.6 mm (1.4 in)	41 of 100 (Notable)
Tallulah	United States	Record daily precipitation	53.3 mm (2.1 in)	41 of 100 (Notable)
Tishomingo Natl Wr	United States	Record daily precipitation	87.6 mm (3.4 in)	41 of 100 (Notable)
Orskog	Norway	Record daily precipitation	28.2 mm (1.1 in)	40 of 100 (Notable)
Sheridan	United States	Record daily precipitation	93.2 mm (3.7 in)	40 of 100 (Notable)
Live Oak	United States	Record high maximum temperature	36.7 C (98.1 F)	40 of 100 (Notable)
Espanola	United States	Record high minimum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
Bad-Neunkirchen Mergentheim	Germany	Record daily precipitation	29.8 mm (1.2 in)	39 of 100 (Notable)
E.T.A. 040 Amacuzac	Mexico	Record high minimum temperature	25.0 C (77.0 F)	37 of 100 (Notable)
Tromso - Langnes	Norway	Record daily precipitation	25.0 mm (1.0 in)	37 of 100 (Notable)
Greenville 2 NNE	United States	Record low minimum temperature	-2.8 C (27.0 F)	37 of 100 (Notable)
Valdez WSO	United States	Record high maximum temperature	20.0 C (68.0 F)	37 of 100 (Notable)
Alencon-Valframbert	France	Record daily precipitation	25.2 mm (1.0 in)	36 of 100 (Notable)
Bluff City 3 SW	United States	Record daily precipitation	119.4 mm (4.7 in)	36 of 100 (Notable)
Newport	United States	Record low maximum temperature	9.4 C (48.9 F)	36 of 100 (Notable)
Trojes	Mexico	Record daily precipitation	32.8 mm (1.3 in)	35 of 100 (Notable)
Crystal Springs Exp STN	United States	Record daily precipitation	71.1 mm (2.8 in)	35 of 100 (Notable)
Motozintla (Smn)	Mexico	Record high maximum temperature	35.0 C (95.0 F)	34 of 100 (Routine)
Arkadelphia 2 N	United States	Record low maximum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Deland 1 SSE	United States	Record high maximum temperature	36.1 C (97.0 F)	33 of 100 (Routine)
Atoka	United States	Record daily precipitation	49.3 mm (1.9 in)	33 of 100 (Routine)
Juarez	Mexico	Record high maximum temperature	45.6 C (114.1 F)	32 of 100 (Routine)
Guevea de Humboldt	Mexico	Record daily precipitation	28.4 mm (1.1 in)	32 of 100 (Routine)
Alger-Dar El Beida	Algeria	Record high minimum temperature	20.9 C (69.6 F)	31 of 100 (Routine)
Sotchi	Russia	Record daily precipitation	46.7 mm (1.8 in)	31 of 100 (Routine)
Buffalo Bill Dam	United States	Record low minimum temperature	-4.4 C (24.1 F)	31 of 100 (Routine)
Houston William P Hobby AP	United States	Record high minimum temperature	25.0 C (77.0 F)	31 of 100 (Routine)
Shreveport	United States	Record daily precipitation	67.1 mm (2.6 in)	31 of 100 (Routine)
Presa El Bosque (Cfe)	Mexico	Record low minimum temperature	8.9 C (48.0 F)	30 of 100 (Routine)
San Blas	Mexico	Record high minimum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Mys Shmidta	Russia	Record high minimum temperature	1.8 C (35.2 F)	30 of 100 (Routine)
Phuket Airport	Thailand	Record low minimum temperature	20.5 C (68.9 F)	30 of 100 (Routine)
Searcy	United States	Record low maximum temperature	16.1 C (61.0 F)	30 of 100 (Routine)
Subiaco	United States	Record low maximum temperature	15.6 C (60.1 F)	30 of 100 (Routine)
Dolisie	Congo (Brazzaville)	Record high maximum temperature	33.0 C (91.4 F)	29 of 100 (Routine)
Santiago Papasquiaro (Smn)	Mexico	Record high minimum temperature	15.6 C (60.1 F)	29 of 100 (Routine)
Santa Maria (Dge)	Mexico	Record high minimum temperature	18.9 C (66.0 F)	29 of 100 (Routine)
Wichita Mtn Wr	United States	Record low maximum temperature	15.0 C (59.0 F)	29 of 100 (Routine)
Bria	Central African Republic	Record high minimum temperature	22.5 C (72.5 F)	28 of 100 (Routine)
Tours	France	Record daily precipitation	62.0 mm (2.4 in)	28 of 100 (Routine)
Incheon	Korea, South	Record daily precipitation	47.0 mm (1.9 in)	28 of 100 (Routine)
Presa Iturbide	Mexico	Record high minimum temperature	10.6 C (51.1 F)	28 of 100 (Routine)
El Ocotillal	Mexico	Record low minimum temperature	12.8 C (55.0 F)	28 of 100 (Routine)
Dumas	United States	Record daily precipitation	57.2 mm (2.3 in)	28 of 100 (Routine)
Walters	United States	Record daily precipitation	58.4 mm (2.3 in)	28 of 100 (Routine)
Mayport Pilot STN	United States	Record daily precipitation	35.3 mm (1.4 in)	28 of 100 (Routine)

Counts by Type and Timescale

605 records

Records set or tied on 11 May 2009 by type: Highest daily maximum 144, Lowest daily maximum 92, Highest daily minimum 160, Lowest daily minimum 57, Heaviest daily rainfall 152.

Records on 11 May 2009 by type
Record type	Records
Highest daily maximum	144
Lowest daily maximum	92
Highest daily minimum	160
Lowest daily minimum	57
Heaviest daily rainfall	152
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 May 2009 by timescale: all-time 6, monthly 16, daily 583.

How Much Records Were Beaten By

438 broken records

Margins by which the 438 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 83.8. Ties are not counted.

Top 20 by Significance

11 May 2009

Top 20 records on 11 May 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 2009	Farmerville, US	daily rain	127.0 mm (5.0 in)	83.8 mm (3.3 in)	63 years	68 of 100 (Major)
11 May 2009	Bastrop, US	daily rain	62.5 mm (2.5 in)	39.6 mm (1.6 in)	111 years	60 of 100 (Major)
11 May 2009	Wynyard Airport, AU	daily rain	45.6 mm (1.8 in)	38.2 mm (1.5 in)	43 years	58 of 100 (Notable)
11 May 2009	Givhans Ferry 2 ESE, US	daily rain	63.2 mm (2.5 in)	45.7 mm (1.8 in)	56 years	56 of 100 (Notable)
11 May 2009	Lake Providence, US	daily rain	78.0 mm (3.1 in)	39.9 mm (1.6 in)	83 years	55 of 100 (Notable)
11 May 2009	Rison, US	daily low max	15.6 C (60.1 F)	5.0 C (9.0 F)	114 years	53 of 100 (Notable)
11 May 2009	Bluff Lake, US	daily rain	84.3 mm (3.3 in)	46.7 mm (1.8 in)	51 years	51 of 100 (Notable)
11 May 2009	El Dorado Goodwin Fld, US	daily rain	61.5 mm (2.4 in)	21.1 mm (0.8 in)	96 years	51 of 100 (Notable)
11 May 2009	Grunnfjord - Stakken, NO	daily rain	45.7 mm (1.8 in)	19.2 mm (0.8 in)	24 years	48 of 100 (Notable)
11 May 2009	Crossett 2 SSE, US	daily rain	114.3 mm (4.5 in)	70.1 mm (2.8 in)	10 years	48 of 100 (Notable)
11 May 2009	Youngs Siding, AU	daily rain	25.4 mm (1.0 in)	7.6 mm (0.30 in)	91 years	46 of 100 (Notable)
11 May 2009	Santiago Chivela, MX	daily rain	47.8 mm (1.9 in)	43.0 mm (1.7 in)	55 years	46 of 100 (Notable)
11 May 2009	Malvern, US	daily low max	16.7 C (62.1 F)	1.6 C (2.9 F)	114 years	44 of 100 (Notable)
11 May 2009	Acatlan de Osorio (Smn), MX	all-time high min	27.8 C (82.0 F)	1.1 C (2.0 F)	41 years	41 of 100 (Notable)
11 May 2009	Aldan, RU	daily rain	36.6 mm (1.4 in)	12.1 mm (0.5 in)	42 years	41 of 100 (Notable)
11 May 2009	Tallulah, US	daily rain	53.3 mm (2.1 in)	12.7 mm (0.5 in)	83 years	41 of 100 (Notable)
11 May 2009	Tishomingo Natl Wr, US	daily rain	87.6 mm (3.4 in)	47.0 mm (1.9 in)	16 years	41 of 100 (Notable)
11 May 2009	Orskog, NO	daily rain	28.2 mm (1.1 in)	18.7 mm (0.7 in)	34 years	40 of 100 (Notable)
11 May 2009	Sheridan, US	daily rain	93.2 mm (3.7 in)	48.2 mm (1.9 in)	30 years	40 of 100 (Notable)
11 May 2009	Live Oak, US	daily high max	36.7 C (98.1 F)	1.1 C (2.0 F)	92 years	40 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

1814 to 2009

Records set or tied on this calendar date in each year from 1814 to 2009. 2009 had 605 records.

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

Records on 05-11 in each year
Year	Records
1814	3
1832	1
1836	3
1837	1
1838	1
1848	2
1856	1
1860	2
1865	1
1867	1
1869	1
1872	1
1874	2
1879	2
1880	1
1881	5
1883	3
1884	2
1885	1
1886	2
1887	1
1888	1
1889	2
1892	1
1893	3
1894	2
1895	4
1896	3
1897	6
1898	5
1900	7
1901	9
1902	6
1903	7
1904	6
1905	12
1906	21
1907	44
1908	9
1909	12
1910	16
1911	99
1912	21
1913	20
1914	20
1915	16
1916	22
1917	40
1918	54
1919	56
1920	181
1921	58
1922	61
1923	111
1924	239
1925	410
1926	472
1927	318
1928	252
1929	126
1930	380
1931	254
1932	170
1933	429
1934	332
1935	276
1936	363
1937	170
1938	141
1939	213
1940	340
1941	411
1942	389
1943	646
1944	408
1945	483
1946	747
1947	480
1948	407
1949	451
1950	285
1951	395
1952	629
1953	686
1954	492
1955	235
1956	942
1957	439
1958	499
1959	575
1960	809
1961	663
1962	670
1963	984
1964	299
1965	356
1966	992
1967	974
1968	909
1969	349
1970	764
1971	565
1972	673
1973	429
1974	795
1975	383
1976	509
1977	836
1978	1,070
1979	1,239
1980	693
1981	1,298
1982	624
1983	930
1984	666
1985	835
1986	684
1987	1,247
1988	485
1989	952
1990	935
1991	990
1992	728
1993	1,088
1994	633
1995	1,244
1996	1,088
1997	1,033
1998	1,315
1999	1,052
2000	1,286
2001	848
2002	845
2003	1,321
2004	834
2005	944
2006	822
2007	833
2008	1,015
2009	605
2010	1,292
2011	1,414
2012	1,181
2013	615
2014	662
2015	1,038
2016	497
2017	546
2018	988
2019	915
2020	1,068
2021	590
2022	1,470
2023	390
2024	579
2025	1,104
2026	797

Download the Data

Data for records on 2009-05-11: 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 20	414
20 to 40	16
40 to 60	6
60 to 80	1
80 to 100	1