Weather Records on 9 May 2009

816 weather records were set or tied worldwide on 9 May 2009. Highest significance: Haparanda, SE.

Key Facts for 9 May 2009

On 9 May 2009, 816 weather records were set or tied at long-record stations worldwide.
440 were record highs and 115 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 21 monthly and 791 daily.
Haparanda set a daily record precipitation of 33.2 mm (1.3 in) on 9 May 2009.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 430 records.

Record Map

816 stations

816 station records on 9 May 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 May 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Haparanda	Sweden	Record daily precipitation	33.2 mm (1.3 in)	77 of 100 (Major)
Hardy	United States	Record daily precipitation	52.6 mm (2.1 in)	61 of 100 (Major)
Buffalo 2N	United States	Record daily precipitation	81.8 mm (3.2 in)	61 of 100 (Major)
Doniphan	United States	Record daily precipitation	127.8 mm (5.0 in)	59 of 100 (Notable)
Prairie du Rocher 3 WNW	United States	Record daily precipitation	91.2 mm (3.6 in)	58 of 100 (Notable)
Carthage	United States	Record daily precipitation	48.5 mm (1.9 in)	55 of 100 (Notable)
Cabot	United States	Record daily precipitation	92.2 mm (3.6 in)	51 of 100 (Notable)
Corning	United States	Record daily precipitation	69.6 mm (2.7 in)	50 of 100 (Notable)
Murray	United States	Record daily precipitation	48.3 mm (1.9 in)	50 of 100 (Notable)
Potosi 4 SW	United States	Record daily precipitation	67.1 mm (2.6 in)	50 of 100 (Notable)
Kennett Radio Kboa	United States	Record daily precipitation	88.9 mm (3.5 in)	49 of 100 (Notable)
Villaflores (Smn)	Mexico	Record daily precipitation	81.8 mm (3.2 in)	47 of 100 (Notable)
Hopkinsville	United States	Record daily precipitation	68.3 mm (2.7 in)	47 of 100 (Notable)
Union 3 SSE	United States	Record daily precipitation	44.5 mm (1.8 in)	47 of 100 (Notable)
Ivel	United States	Record daily precipitation	90.4 mm (3.6 in)	46 of 100 (Notable)
Alton	United States	Record daily precipitation	87.6 mm (3.4 in)	46 of 100 (Notable)
Springfield Exp STN	United States	Record daily precipitation	71.9 mm (2.8 in)	46 of 100 (Notable)
Texarkana Webb Fld	United States	Record daily precipitation	62.7 mm (2.5 in)	46 of 100 (Notable)
Presa la Duquesa	Mexico	Record daily precipitation	30.5 mm (1.2 in)	45 of 100 (Notable)
Fedscreek 1 SE	United States	Record daily precipitation	59.7 mm (2.4 in)	45 of 100 (Notable)
Ft Grant	United States	Record high maximum temperature	32.8 C (91.0 F)	44 of 100 (Notable)
Ft Bayard 4W	United States	Record high minimum temperature	14.4 C (57.9 F)	44 of 100 (Notable)
Dalian	China	Record daily precipitation	45.9 mm (1.8 in)	43 of 100 (Notable)
Storm Lake	United States	Record daily precipitation	138.4 mm (5.4 in)	43 of 100 (Notable)
Mountainair	United States	Record high minimum temperature	12.8 C (55.0 F)	43 of 100 (Notable)
Broken Bow 1 N	United States	Record daily precipitation	73.2 mm (2.9 in)	43 of 100 (Notable)
Cuixtla	Mexico	Record daily precipitation	34.5 mm (1.4 in)	42 of 100 (Notable)
El Carmen (Smn)	Mexico	Record daily precipitation	49.3 mm (1.9 in)	41 of 100 (Notable)
Maine-Soroa	Niger	Record low maximum temperature	33.5 C (92.3 F)	41 of 100 (Notable)
Ft Grant	United States	Record high minimum temperature	17.2 C (63.0 F)	41 of 100 (Notable)
Grundy	United States	Record daily precipitation	43.2 mm (1.7 in)	41 of 100 (Notable)
Bolivar 1 NE	United States	Record daily precipitation	57.7 mm (2.3 in)	40 of 100 (Notable)
Bolivar Wtr Wks	United States	Record daily precipitation	43.2 mm (1.7 in)	40 of 100 (Notable)
Ballinger 2 NW	United States	Record high maximum temperature	40.6 C (105.1 F)	40 of 100 (Notable)
Presa Jocoque	Mexico	Record high minimum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Finca Chicharras	Mexico	Record low maximum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Estancia 4N	United States	Record high maximum temperature	31.1 C (88.0 F)	39 of 100 (Notable)
Dover 1 W	United States	Record daily precipitation	70.9 mm (2.8 in)	39 of 100 (Notable)
Pichucalco (Smn)	Mexico	Record low minimum temperature	11.7 C (53.1 F)	38 of 100 (Notable)
Zinder	Niger	Record low maximum temperature	30.6 C (87.1 F)	38 of 100 (Notable)
Blytheville	United States	Record daily precipitation	100.1 mm (3.9 in)	38 of 100 (Notable)
Salida	United States	Record high maximum temperature	28.3 C (82.9 F)	38 of 100 (Notable)
Caplinger Mills	United States	Record daily precipitation	76.5 mm (3.0 in)	38 of 100 (Notable)
Eldorado Springs	United States	Record daily precipitation	72.4 mm (2.9 in)	38 of 100 (Notable)
Coleman	United States	Record high maximum temperature	40.6 C (105.1 F)	38 of 100 (Notable)
Clifton	United States	Record high minimum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Stockton Dam	United States	Record daily precipitation	90.2 mm (3.6 in)	36 of 100 (Notable)
Sevierville	United States	Record daily precipitation	45.7 mm (1.8 in)	36 of 100 (Notable)
Bluestone Lake	United States	Record daily precipitation	45.7 mm (1.8 in)	36 of 100 (Notable)
Mammoth Spring	United States	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Cobb	United States	Record daily precipitation	48.0 mm (1.9 in)	35 of 100 (Notable)
Falfurrias	United States	Record high minimum temperature	26.1 C (79.0 F)	35 of 100 (Notable)
Man	United States	Record daily precipitation	45.2 mm (1.8 in)	35 of 100 (Notable)
Beaver Dam Wwtp	United States	Record daily precipitation	44.2 mm (1.7 in)	35 of 100 (Notable)
Santo Tomas	Mexico	Record high maximum temperature	43.9 C (111.0 F)	34 of 100 (Routine)
Jonesboro 3 SSE	United States	Record daily precipitation	54.1 mm (2.1 in)	34 of 100 (Routine)
Saint Francis	United States	Record daily precipitation	63.0 mm (2.5 in)	34 of 100 (Routine)
Chase 3 SE	United States	Record daily precipitation	96.5 mm (3.8 in)	34 of 100 (Routine)
Rolla 1NE	United States	Record low minimum temperature	-10.0 C (14.0 F)	34 of 100 (Routine)
Santa Maria (Dge)	Mexico	Record high minimum temperature	19.4 C (66.9 F)	33 of 100 (Routine)

Counts by Type and Timescale

816 records

Records set or tied on 9 May 2009 by type: Highest daily maximum 212, Lowest daily maximum 57, Highest daily minimum 228, Lowest daily minimum 58, Heaviest daily rainfall 260, Heaviest daily snowfall 1.

Records on 9 May 2009 by type
Record type	Records
Highest daily maximum	212
Lowest daily maximum	57
Highest daily minimum	228
Lowest daily minimum	58
Heaviest daily rainfall	260
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 9 May 2009 by timescale: all-time 4, monthly 21, daily 791.

How Much Records Were Beaten By

585 broken records

Margins by which the 585 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 75.2. Ties are not counted.

Top 20 by Significance

9 May 2009

Top 20 records on 9 May 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 May 2009	Haparanda, SE	daily rain	33.2 mm (1.3 in)	16.1 mm (0.6 in)	120 years	77 of 100 (Major)
9 May 2009	Hardy, US	daily rain	52.6 mm (2.1 in)	32.3 mm (1.3 in)	100 years	61 of 100 (Major)
9 May 2009	Buffalo 2N, US	daily rain	81.8 mm (3.2 in)	51.8 mm (2.0 in)	70 years	61 of 100 (Major)
9 May 2009	Doniphan, US	monthly rain	127.8 mm (5.0 in)	37.1 mm (1.5 in)	51 years	59 of 100 (Notable)
9 May 2009	Prairie du Rocher 3 WNW, US	daily rain	91.2 mm (3.6 in)	51.1 mm (2.0 in)	48 years	58 of 100 (Notable)
9 May 2009	Carthage, US	daily rain	48.5 mm (1.9 in)	19.3 mm (0.8 in)	102 years	55 of 100 (Notable)
9 May 2009	Cabot, US	daily rain	92.2 mm (3.6 in)	50.5 mm (2.0 in)	51 years	51 of 100 (Notable)
9 May 2009	Corning, US	daily rain	69.6 mm (2.7 in)	43.9 mm (1.7 in)	47 years	50 of 100 (Notable)
9 May 2009	Murray, US	daily rain	48.3 mm (1.9 in)	28.0 mm (1.1 in)	80 years	50 of 100 (Notable)
9 May 2009	Potosi 4 SW, US	daily rain	67.1 mm (2.6 in)	29.5 mm (1.2 in)	59 years	50 of 100 (Notable)
9 May 2009	Kennett Radio Kboa, US	daily rain	88.9 mm (3.5 in)	75.2 mm (3.0 in)	14 years	49 of 100 (Notable)
9 May 2009	Villaflores (Smn), MX	daily rain	81.8 mm (3.2 in)	36.3 mm (1.4 in)	52 years	47 of 100 (Notable)
9 May 2009	Hopkinsville, US	daily rain	68.3 mm (2.7 in)	14.5 mm (0.6 in)	90 years	47 of 100 (Notable)
9 May 2009	Union 3 SSE, US	daily rain	44.5 mm (1.8 in)	21.9 mm (0.9 in)	40 years	47 of 100 (Notable)
9 May 2009	Ivel, US	daily rain	90.4 mm (3.6 in)	54.8 mm (2.2 in)	12 years	46 of 100 (Notable)
9 May 2009	Alton, US	daily rain	87.6 mm (3.4 in)	45.2 mm (1.8 in)	44 years	46 of 100 (Notable)
9 May 2009	Springfield Exp STN, US	daily rain	71.9 mm (2.8 in)	40.4 mm (1.6 in)	36 years	46 of 100 (Notable)
9 May 2009	Texarkana Webb Fld, US	daily rain	62.7 mm (2.5 in)	11.6 mm (0.5 in)	116 years	46 of 100 (Notable)
9 May 2009	Presa la Duquesa, MX	daily rain	30.5 mm (1.2 in)	26.7 mm (1.1 in)	16 years	45 of 100 (Notable)
9 May 2009	Fedscreek 1 SE, US	daily rain	59.7 mm (2.4 in)	41.9 mm (1.6 in)	20 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 2009

Records set or tied on this calendar date in each year from 1793 to 2009. 2009 had 816 records.

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

Records on 05-09 in each year
Year	Records
1793	1
1795	1
1806	1
1810	1
1823	1
1834	1
1838	1
1843	1
1845	2
1846	1
1848	1
1850	2
1855	2
1857	1
1858	1
1861	1
1862	1
1864	2
1865	2
1867	2
1872	1
1873	2
1874	1
1875	2
1879	4
1880	3
1882	1
1883	2
1884	3
1885	3
1889	3
1890	3
1891	3
1892	1
1893	1
1895	2
1896	4
1897	3
1898	3
1899	2
1900	2
1901	9
1902	8
1903	9
1904	14
1905	34
1906	41
1907	11
1908	16
1909	34
1910	45
1911	23
1912	23
1913	15
1914	43
1915	27
1916	26
1917	50
1918	49
1919	47
1920	56
1921	102
1922	45
1923	461
1924	262
1925	123
1926	196
1927	343
1928	302
1929	166
1930	526
1931	411
1932	132
1933	482
1934	750
1935	111
1936	622
1937	128
1938	171
1939	345
1940	237
1941	335
1942	180
1943	524
1944	412
1945	538
1946	278
1947	1,145
1948	379
1949	417
1950	660
1951	188
1952	348
1953	507
1954	489
1955	288
1956	722
1957	505
1958	355
1959	252
1960	748
1961	516
1962	435
1963	1,103
1964	503
1965	730
1966	994
1967	681
1968	545
1969	653
1970	372
1971	338
1972	587
1973	386
1974	699
1975	465
1976	714
1977	931
1978	649
1979	1,605
1980	1,030
1981	639
1982	523
1983	872
1984	892
1985	829
1986	1,253
1987	1,481
1988	594
1989	1,347
1990	850
1991	759
1992	1,476
1993	967
1994	573
1995	960
1996	1,260
1997	1,088
1998	1,182
1999	970
2000	1,114
2001	969
2002	1,489
2003	1,802
2004	926
2005	851
2006	738
2007	765
2008	693
2009	816
2010	764
2011	1,104
2012	686
2013	684
2014	754
2015	689
2016	917
2017	539
2018	879
2019	1,043
2020	1,673
2021	501
2022	1,308
2023	474
2024	792
2025	622
2026	309

Download the Data

Data for records on 2009-05-09: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 10	498
10 to 20	41
20 to 30	21
30 to 40	12
40 to 50	8
50 to 60	4
60 to 70	0
70 to 80	1