Weather Records on 11 May 2011

1,414 weather records were set or tied worldwide on 11 May 2011. Highest significance: Jackson 3 NW, US.

Key Facts for 11 May 2011

On 11 May 2011, 1,414 weather records were set or tied at long-record stations worldwide.
865 were record highs and 279 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 26 monthly and 1,388 daily.
Jackson 3 NW set a daily record precipitation of 85.1 mm (3.4 in) on 11 May 2011.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 457 records.

Record Map

1,414 stations

1,414 station records on 11 May 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jackson 3 NW	United States	Record daily precipitation	85.1 mm (3.4 in)	73 of 100 (Major)
Yampa	United States	Record daily snowfall	17.8 cm (7.0 in)	70 of 100 (Major)
Yonago	Japan	Record daily precipitation	154.2 mm (6.1 in)	65 of 100 (Major)
Ashland	United States	Record daily precipitation	101.6 mm (4.0 in)	56 of 100 (Notable)
Vallecito Dam	United States	Record daily snowfall	7.6 cm (3.0 in)	55 of 100 (Notable)
Washington Court House	United States	Record daily precipitation	73.7 mm (2.9 in)	55 of 100 (Notable)
Circle Hot Springs	United States	Record daily snowfall	18.0 cm (7.1 in)	55 of 100 (Notable)
Suwa	Japan	Record daily precipitation	66.8 mm (2.6 in)	52 of 100 (Notable)
Kiln	United States	Record daily precipitation	35.6 mm (1.4 in)	51 of 100 (Notable)
Shimonoseki	Japan	Record daily precipitation	148.6 mm (5.9 in)	50 of 100 (Notable)
Dunn Ctr 1E	United States	Record daily precipitation	28.4 mm (1.1 in)	50 of 100 (Notable)
Chapman	United States	Record high maximum temperature	33.9 C (93.0 F)	49 of 100 (Notable)
Ft Dodge 5NNW	United States	Record high maximum temperature	36.7 C (98.1 F)	48 of 100 (Notable)
Eldorado Springs	United States	Record high minimum temperature	22.2 C (72.0 F)	48 of 100 (Notable)
Beach	United States	Record daily precipitation	31.8 mm (1.3 in)	48 of 100 (Notable)
Matsue	Japan	Record daily precipitation	118.1 mm (4.6 in)	47 of 100 (Notable)
Taylor Park	United States	Record daily snowfall	14.0 cm (5.5 in)	47 of 100 (Notable)
Boone	United States	Record high maximum temperature	36.1 C (97.0 F)	47 of 100 (Notable)
Forest City 2 NNE	United States	Record high maximum temperature	35.6 C (96.1 F)	47 of 100 (Notable)
Webster City	United States	Record high maximum temperature	35.6 C (96.1 F)	47 of 100 (Notable)
Laurelville	United States	Record daily precipitation	58.7 mm (2.3 in)	47 of 100 (Notable)
Waterloo	United States	Record daily precipitation	95.5 mm (3.8 in)	47 of 100 (Notable)
Cumbres Trestle	United States	Record daily precipitation	27.9 mm (1.1 in)	47 of 100 (Notable)
Lone Cone	United States	Record daily precipitation	27.9 mm (1.1 in)	47 of 100 (Notable)
Yaquintela	Mexico	Record daily precipitation	68.1 mm (2.7 in)	46 of 100 (Notable)
Georgetown	United States	Record snow depth	10.2 cm (4.0 in)	46 of 100 (Notable)
Streator 2SE	United States	Record high minimum temperature	18.9 C (66.0 F)	46 of 100 (Notable)
Allison	United States	Record high maximum temperature	35.6 C (96.1 F)	46 of 100 (Notable)
Britt 3E	United States	Record high maximum temperature	35.6 C (96.1 F)	46 of 100 (Notable)
Clarinda	United States	Record high maximum temperature	36.1 C (97.0 F)	45 of 100 (Notable)
Osage	United States	Record high maximum temperature	33.3 C (91.9 F)	45 of 100 (Notable)
Clearwater	United States	Record low maximum temperature	9.4 C (48.9 F)	45 of 100 (Notable)
Dodgeville Wwtp	United States	Record high maximum temperature	31.7 C (89.1 F)	45 of 100 (Notable)
Rantoul	United States	Record high maximum temperature	34.4 C (93.9 F)	45 of 100 (Notable)
Silverton	United States	Record daily snowfall	12.4 cm (4.9 in)	44 of 100 (Notable)
Allerton	United States	Record high maximum temperature	33.3 C (91.9 F)	44 of 100 (Notable)
Bedford	United States	Record high maximum temperature	34.4 C (93.9 F)	44 of 100 (Notable)
Creston 2 SW	United States	Record high maximum temperature	33.9 C (93.0 F)	44 of 100 (Notable)
Hampton	United States	Record high maximum temperature	35.0 C (95.0 F)	44 of 100 (Notable)
Iowa Falls	United States	Record high maximum temperature	34.4 C (93.9 F)	44 of 100 (Notable)
Osceola	United States	Record high maximum temperature	33.9 C (93.0 F)	44 of 100 (Notable)
St Peter	United States	Record high maximum temperature	34.4 C (93.9 F)	44 of 100 (Notable)
Monroe City	United States	Record high minimum temperature	20.0 C (68.0 F)	44 of 100 (Notable)
Princeton	United States	Record high maximum temperature	34.4 C (93.9 F)	44 of 100 (Notable)
Fairbury 7S	United States	Record high minimum temperature	19.4 C (66.9 F)	44 of 100 (Notable)
Tottori	Japan	Record daily precipitation	105.9 mm (4.2 in)	43 of 100 (Notable)
Maizuru Reg Met HQ	Japan	Record daily precipitation	91.9 mm (3.6 in)	43 of 100 (Notable)
Bailey	United States	Record daily snowfall	7.6 cm (3.0 in)	43 of 100 (Notable)
Georgetown	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Aurora Water	United States	Record high minimum temperature	19.4 C (66.9 F)	43 of 100 (Notable)
Decorah	United States	Record high maximum temperature	32.2 C (90.0 F)	43 of 100 (Notable)
Denison	United States	Record high maximum temperature	33.9 C (93.0 F)	43 of 100 (Notable)
Grinnell 3 SW	United States	Record high minimum temperature	20.6 C (69.1 F)	43 of 100 (Notable)
Marshalltown	United States	Record high maximum temperature	33.9 C (93.0 F)	43 of 100 (Notable)
Northwood	United States	Record high maximum temperature	32.8 C (91.0 F)	43 of 100 (Notable)
Fairmont	United States	Record high maximum temperature	33.9 C (93.0 F)	43 of 100 (Notable)
Wakefield 3NW	United States	Record high maximum temperature	34.4 C (93.9 F)	43 of 100 (Notable)
Crockett	United States	Record high maximum temperature	33.9 C (93.0 F)	43 of 100 (Notable)
Dunlow 1 SW	United States	Record daily precipitation	53.3 mm (2.1 in)	43 of 100 (Notable)
Huntington Swg Pl	United States	Record daily precipitation	65.5 mm (2.6 in)	43 of 100 (Notable)

Counts by Type and Timescale

1,414 records

Records set or tied on 11 May 2011 by type: Highest daily maximum 471, Lowest daily maximum 150, Highest daily minimum 394, Lowest daily minimum 129, Heaviest daily rainfall 227, Heaviest daily snowfall 28, Deepest snow cover 15.

Records on 11 May 2011 by type
Record type	Records
Highest daily maximum	471
Lowest daily maximum	150
Highest daily minimum	394
Lowest daily minimum	129
Heaviest daily rainfall	227
Heaviest daily snowfall	28
Deepest snow cover	15

Records on 11 May 2011 by timescale: all-time 0, monthly 26, daily 1,388.

How Much Records Were Beaten By

1,043 broken records

Margins by which the 1,043 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

11 May 2011

Top 20 records on 11 May 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 2011	Jackson 3 NW, US	daily rain	85.1 mm (3.4 in)	40.4 mm (1.6 in)	85 years	73 of 100 (Major)
11 May 2011	Yampa, US	daily snowfall	17.8 cm (7.0 in)	12.7 cm (5.0 in)	93 years	70 of 100 (Major)
11 May 2011	Yonago, JP	monthly rain	154.2 mm (6.1 in)	60.2 mm (2.4 in)	30 years	65 of 100 (Major)
11 May 2011	Ashland, US	monthly rain	101.6 mm (4.0 in)	20.1 mm (0.8 in)	55 years	56 of 100 (Notable)
11 May 2011	Vallecito Dam, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	93 years	55 of 100 (Notable)
11 May 2011	Washington Court House, US	daily rain	73.7 mm (2.9 in)	25.4 mm (1.0 in)	77 years	55 of 100 (Notable)
11 May 2011	Circle Hot Springs, US	monthly snowfall	18.0 cm (7.1 in)	10.4 cm (4.1 in)	63 years	55 of 100 (Notable)
11 May 2011	Suwa, JP	daily rain	66.8 mm (2.6 in)	36.4 mm (1.4 in)	56 years	52 of 100 (Notable)
11 May 2011	Kiln, US	daily rain	35.6 mm (1.4 in)	28.0 mm (1.1 in)	28 years	51 of 100 (Notable)
11 May 2011	Shimonoseki, JP	monthly rain	148.6 mm (5.9 in)	37.3 mm (1.5 in)	50 years	50 of 100 (Notable)
11 May 2011	Dunn Ctr 1E, US	daily rain	28.4 mm (1.1 in)	15.7 mm (0.6 in)	73 years	50 of 100 (Notable)
11 May 2011	Chapman, US	daily high max	33.9 C (93.0 F)	5.0 C (9.0 F)	104 years	49 of 100 (Notable)
11 May 2011	Ft Dodge 5NNW, US	daily high max	36.7 C (98.1 F)	5.0 C (9.0 F)	110 years	48 of 100 (Notable)
11 May 2011	Eldorado Springs, US	daily high min	22.2 C (72.0 F)	3.9 C (7.0 F)	105 years	48 of 100 (Notable)
11 May 2011	Beach, US	daily rain	31.8 mm (1.3 in)	11.0 mm (0.4 in)	88 years	48 of 100 (Notable)
11 May 2011	Matsue, JP	daily rain	118.1 mm (4.6 in)	63.0 mm (2.5 in)	4 years	47 of 100 (Notable)
11 May 2011	Taylor Park, US	daily snowfall	14.0 cm (5.5 in)	8.9 cm (3.5 in)	64 years	47 of 100 (Notable)
11 May 2011	Boone, US	daily high max	36.1 C (97.0 F)	4.4 C (7.9 F)	100 years	47 of 100 (Notable)
11 May 2011	Forest City 2 NNE, US	daily high max	35.6 C (96.1 F)	4.5 C (8.1 F)	110 years	47 of 100 (Notable)
11 May 2011	Webster City, US	daily high max	35.6 C (96.1 F)	4.5 C (8.1 F)	100 years	47 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 2011

Records set or tied on this calendar date in each year from 1814 to 2011. 2011 had 1,414 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 2011-05-11: 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	970
20 to 40	44
40 to 60	11
60 to 80	11
80 to 100	3
100 to 120	2
120 to 140	2