Weather Records on 27 May 2011

1,055 weather records were set or tied worldwide on 27 May 2011. Highest significance: Saint Johnsbury, US.

Key Facts for 27 May 2011

On 27 May 2011, 1,055 weather records were set or tied at long-record stations worldwide.
583 were record highs and 300 were record lows, counting maximum and minimum temperature.
By timescale, 21 were all-time records, 45 monthly and 989 daily.
Saint Johnsbury set a monthly record daily precipitation of 120.4 mm (4.7 in) on 27 May 2011.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 414 records.

Record Map

1,055 stations

1,055 station records on 27 May 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 May 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Saint Johnsbury	United States	Record daily precipitation	120.4 mm (4.7 in)	90 of 100 (Exceptional)
Northfield	United States	Record daily precipitation	105.4 mm (4.1 in)	81 of 100 (Exceptional)
Gilman	United States	Record daily precipitation	95.2 mm (3.7 in)	74 of 100 (Major)
Nemours (Ghazaouet)	Algeria	Record high maximum temperature	32.1 C (89.8 F)	57 of 100 (Notable)
York Pond	United States	Record daily precipitation	48.8 mm (1.9 in)	56 of 100 (Notable)
Newport	United States	Record daily precipitation	45.7 mm (1.8 in)	54 of 100 (Notable)
Innsbruck	Austria	Record daily precipitation	40.8 mm (1.6 in)	51 of 100 (Notable)
Nemours (Ghazaouet)	Algeria	Record high minimum temperature	21.1 C (70.0 F)	50 of 100 (Notable)
Mahanoy City 2 N	United States	Record daily precipitation	56.4 mm (2.2 in)	49 of 100 (Notable)
Williamsport Rgnl AP	United States	Record daily precipitation	41.4 mm (1.6 in)	49 of 100 (Notable)
Salzburg	Austria	Record daily precipitation	36.8 mm (1.4 in)	47 of 100 (Notable)
Jaral de Berrios	Mexico	Record high maximum temperature	42.8 C (109.0 F)	47 of 100 (Notable)
Bonners Ferry	United States	Record low maximum temperature	7.8 C (46.0 F)	47 of 100 (Notable)
Tuscola	United States	Record low maximum temperature	12.2 C (54.0 F)	47 of 100 (Notable)
Albion	United States	Record daily precipitation	63.0 mm (2.5 in)	47 of 100 (Notable)
Binghamton	United States	Record daily precipitation	41.1 mm (1.6 in)	47 of 100 (Notable)
Porthill	United States	Record low maximum temperature	7.2 C (45.0 F)	45 of 100 (Notable)
Elk	United States	Record high minimum temperature	15.6 C (60.1 F)	44 of 100 (Notable)
Palmer Job Corps	United States	Record high maximum temperature	31.1 C (88.0 F)	44 of 100 (Notable)
Black Spur	Australia	Record daily precipitation	83.6 mm (3.3 in)	43 of 100 (Notable)
1 ENE Fairfield	United States	Record low maximum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Central Michigan UNIV	United States	Record low maximum temperature	10.0 C (50.0 F)	43 of 100 (Notable)
Hardy	United States	Record low maximum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Lancaster	United States	Record daily precipitation	84.8 mm (3.3 in)	42 of 100 (Notable)
Shubuta	United States	Record daily precipitation	51.3 mm (2.0 in)	41 of 100 (Notable)
Luna Rs	United States	Record high minimum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
San Angelo	United States	Record high minimum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Calacoaya	Mexico	Record high maximum temperature	43.9 C (111.0 F)	40 of 100 (Notable)
Springerville	United States	Record high minimum temperature	12.2 C (54.0 F)	40 of 100 (Notable)
Elephant Butte Dam	United States	Record high maximum temperature	39.4 C (102.9 F)	40 of 100 (Notable)
Maliye_Karmakuly	Russia	Record high maximum temperature	12.2 C (54.0 F)	39 of 100 (Notable)
Narjan Mar	Russia	Record high maximum temperature	24.6 C (76.3 F)	39 of 100 (Notable)
Watersmeet	United States	Record low minimum temperature	-6.7 C (19.9 F)	39 of 100 (Notable)
Tequisistlan	Mexico	Record high maximum temperature	41.1 C (106.0 F)	37 of 100 (Notable)
Gascon	United States	Record high minimum temperature	13.9 C (57.0 F)	37 of 100 (Notable)
Seaside	United States	Record daily precipitation	36.8 mm (1.4 in)	37 of 100 (Notable)
Salisbury 2 N	United States	Record daily precipitation	45.2 mm (1.8 in)	37 of 100 (Notable)
Danville	United States	Record low maximum temperature	14.4 C (57.9 F)	36 of 100 (Notable)
E Wareham	United States	Record high minimum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Coldwater St School	United States	Record low maximum temperature	12.2 C (54.0 F)	36 of 100 (Notable)
Crater Lake Nps HQ	United States	Record low maximum temperature	-0.6 C (30.9 F)	36 of 100 (Notable)
Union 8 S	United States	Record daily precipitation	56.6 mm (2.2 in)	36 of 100 (Notable)
Presa la Duquesa	Mexico	Record high minimum temperature	18.9 C (66.0 F)	35 of 100 (Notable)
Mier Y Noriega (Smn)	Mexico	Record high maximum temperature	45.0 C (113.0 F)	35 of 100 (Notable)
Betatakin	United States	Record high minimum temperature	23.3 C (73.9 F)	35 of 100 (Notable)
Woodland 1 WNW	United States	Record low maximum temperature	18.9 C (66.0 F)	35 of 100 (Notable)
N Creek 5 SE	United States	Record daily precipitation	45.2 mm (1.8 in)	35 of 100 (Notable)
Negro - Corozal	Puerto Rico [United States]	Record daily precipitation	69.1 mm (2.7 in)	34 of 100 (Routine)
Ostrov Vrangelja	Russia	Record high minimum temperature	3.1 C (37.6 F)	34 of 100 (Routine)
Munising	United States	Record low maximum temperature	5.6 C (42.1 F)	34 of 100 (Routine)
W Branch 3SE	United States	Record low maximum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Terrones	Mexico	Record low minimum temperature	15.6 C (60.1 F)	33 of 100 (Routine)
Inhambane	Mozambique	Record low minimum temperature	12.6 C (54.7 F)	33 of 100 (Routine)
Indiga	Russia	Record high minimum temperature	4.9 C (40.8 F)	33 of 100 (Routine)
Marre-Sale	Russia	Record high minimum temperature	1.6 C (34.9 F)	33 of 100 (Routine)
Jackman	United States	Record daily precipitation	47.5 mm (1.9 in)	33 of 100 (Routine)
Gull Lake Biological STN	United States	Record low maximum temperature	12.2 C (54.0 F)	33 of 100 (Routine)
First Connecticut Lake	United States	Record high minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Towanda 1 S	United States	Record daily precipitation	62.0 mm (2.4 in)	33 of 100 (Routine)
Ouagadougou	Burkina Faso	Record high maximum temperature	49.6 C (121.3 F)	33 of 100 (Routine)

Counts by Type and Timescale

1,055 records

Records set or tied on 27 May 2011 by type: Highest daily maximum 369, Lowest daily maximum 181, Highest daily minimum 214, Lowest daily minimum 119, Heaviest daily rainfall 168, Heaviest daily snowfall 3, Deepest snow cover 1.

Records on 27 May 2011 by type
Record type	Records
Highest daily maximum	369
Lowest daily maximum	181
Highest daily minimum	214
Lowest daily minimum	119
Heaviest daily rainfall	168
Heaviest daily snowfall	3
Deepest snow cover	1

Records on 27 May 2011 by timescale: all-time 21, monthly 45, daily 989.

How Much Records Were Beaten By

759 broken records

Margins by which the 759 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

27 May 2011

Top 20 records on 27 May 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 2011	Saint Johnsbury, US	monthly rain	120.4 mm (4.7 in)	54.9 mm (2.2 in)	103 years	90 of 100 (Exceptional)
27 May 2011	Northfield, US	monthly rain	105.4 mm (4.1 in)	39.9 mm (1.6 in)	70 years	81 of 100 (Exceptional)
27 May 2011	Gilman, US	monthly rain	95.2 mm (3.7 in)	52.3 mm (2.1 in)	54 years	74 of 100 (Major)
27 May 2011	Nemours (Ghazaouet), DZ	daily high max	32.1 C (89.8 F)	4.1 C (7.4 F)	129 years	57 of 100 (Notable)
27 May 2011	York Pond, US	daily rain	48.8 mm (1.9 in)	21.1 mm (0.8 in)	78 years	56 of 100 (Notable)
27 May 2011	Newport, US	daily rain	45.7 mm (1.8 in)	17.3 mm (0.7 in)	77 years	54 of 100 (Notable)
27 May 2011	Innsbruck, AT	daily rain	40.8 mm (1.6 in)	19.7 mm (0.8 in)	44 years	51 of 100 (Notable)
27 May 2011	Nemours (Ghazaouet), DZ	monthly high min	21.1 C (70.0 F)	0.1 C (0.2 F)	112 years	50 of 100 (Notable)
27 May 2011	Mahanoy City 2 N, US	daily rain	56.4 mm (2.2 in)	44.7 mm (1.8 in)	28 years	49 of 100 (Notable)
27 May 2011	Williamsport Rgnl AP, US	daily rain	41.4 mm (1.6 in)	24.4 mm (1.0 in)	54 years	49 of 100 (Notable)
27 May 2011	Salzburg, AT	daily rain	36.8 mm (1.4 in)	7.3 mm (0.29 in)	104 years	47 of 100 (Notable)
27 May 2011	Jaral de Berrios, MX	daily high max	42.8 C (109.0 F)	8.9 C (16.0 F)	48 years	47 of 100 (Notable)
27 May 2011	Bonners Ferry, US	daily low max	7.8 C (46.0 F)	4.4 C (7.9 F)	96 years	47 of 100 (Notable)
27 May 2011	Tuscola, US	daily low max	12.2 C (54.0 F)	3.9 C (7.0 F)	104 years	47 of 100 (Notable)
27 May 2011	Albion, US	daily rain	63.0 mm (2.5 in)	27.2 mm (1.1 in)	42 years	47 of 100 (Notable)
27 May 2011	Binghamton, US	daily rain	41.1 mm (1.6 in)	20.3 mm (0.8 in)	52 years	47 of 100 (Notable)
27 May 2011	Porthill, US	daily low max	7.2 C (45.0 F)	3.4 C (6.1 F)	96 years	45 of 100 (Notable)
27 May 2011	Elk, US	daily high min	15.6 C (60.1 F)	1.7 C (3.1 F)	114 years	44 of 100 (Notable)
27 May 2011	Palmer Job Corps, US	all-time high max	31.1 C (88.0 F)	0.5 C (0.9 F)	57 years	44 of 100 (Notable)
27 May 2011	Black Spur, AU	daily rain	83.6 mm (3.3 in)	24.9 mm (1.0 in)	60 years	43 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

1797 to 2011

Records set or tied on this calendar date in each year from 1797 to 2011. 2011 had 1,055 records.

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

Records on 05-27 in each year
Year	Records
1797	1
1817	1
1818	1
1834	2
1836	4
1839	1
1845	1
1846	1
1847	1
1849	1
1852	1
1858	1
1860	1
1863	1
1864	3
1868	4
1869	1
1874	1
1876	1
1879	3
1880	5
1881	2
1883	1
1884	1
1885	1
1886	1
1888	1
1889	3
1890	5
1891	2
1892	8
1893	5
1894	13
1895	4
1896	3
1897	1
1898	3
1899	2
1900	4
1901	7
1902	12
1903	7
1904	11
1905	7
1906	28
1907	23
1908	16
1909	7
1910	31
1911	53
1912	27
1913	19
1914	92
1915	63
1916	26
1917	23
1918	39
1919	38
1920	40
1921	56
1922	36
1923	86
1924	92
1925	291
1926	107
1927	183
1928	81
1929	195
1930	99
1931	367
1932	265
1933	284
1934	393
1935	128
1936	468
1937	298
1938	492
1939	312
1940	138
1941	436
1942	657
1943	160
1944	479
1945	272
1946	424
1947	485
1948	324
1949	366
1950	697
1951	578
1952	258
1953	603
1954	367
1955	571
1956	491
1957	367
1958	619
1959	449
1960	421
1961	1,504
1962	460
1963	421
1964	317
1965	652
1966	398
1967	492
1968	605
1969	850
1970	326
1971	612
1972	508
1973	943
1974	630
1975	404
1976	589
1977	663
1978	814
1979	899
1980	644
1981	891
1982	838
1983	1,253
1984	834
1985	873
1986	696
1987	1,037
1988	777
1989	904
1990	804
1991	1,429
1992	1,413
1993	835
1994	848
1995	815
1996	1,378
1997	919
1998	1,079
1999	876
2000	1,347
2001	898
2002	511
2003	918
2004	838
2005	1,094
2006	1,171
2007	886
2008	914
2009	858
2010	955
2011	1,055
2012	1,475
2013	607
2014	835
2015	537
2016	622
2017	541
2018	1,355
2019	960
2020	906
2021	414
2022	653
2023	405
2024	904
2025	761
2026	1,185

Download the Data

Data for records on 2011-05-27: 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 2026-10-16 (16 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	740
20 to 40	13
40 to 60	4
60 to 80	0
80 to 100	0
100 to 120	1
120 to 140	0
140 to 160	1