Weather Records on 16 May 2011

1,398 weather records were set or tied worldwide on 16 May 2011. Highest significance: Coulee Dam 1 SW, US.

Key Facts for 16 May 2011

On 16 May 2011, 1,398 weather records were set or tied at long-record stations worldwide.
193 were record highs and 951 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 21 monthly and 1,375 daily.
Coulee Dam 1 SW set a daily record precipitation of 27.9 mm (1.1 in) on 16 May 2011.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 433 records.

Record Map

1,398 stations

1,398 station records on 16 May 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 16 May 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Coulee Dam 1 SW	United States	Record daily precipitation	27.9 mm (1.1 in)	65 of 100 (Major)
Monroe City	United States	Record low maximum temperature	10.0 C (50.0 F)	57 of 100 (Notable)
Tullahoma	United States	Record low maximum temperature	11.7 C (53.1 F)	55 of 100 (Notable)
Delaware Lake	United States	Record daily precipitation	52.1 mm (2.1 in)	53 of 100 (Notable)
Keene	United States	Record daily precipitation	45.0 mm (1.8 in)	52 of 100 (Notable)
York Pond	United States	Record daily precipitation	46.0 mm (1.8 in)	52 of 100 (Notable)
Dampier Salt	Australia	Record daily precipitation	52.0 mm (2.0 in)	51 of 100 (Notable)
Bridgeport	United States	Record low maximum temperature	3.9 C (39.0 F)	48 of 100 (Notable)
Calistoga	United States	Record daily precipitation	44.5 mm (1.8 in)	48 of 100 (Notable)
Norwich	United States	Record daily precipitation	29.2 mm (1.1 in)	48 of 100 (Notable)
Talbotton	United States	Record low maximum temperature	17.8 C (64.0 F)	47 of 100 (Notable)
Hanover	United States	Record daily precipitation	38.4 mm (1.5 in)	47 of 100 (Notable)
Kane 1NNE	United States	Record daily precipitation	42.2 mm (1.7 in)	47 of 100 (Notable)
Myerstown	United States	Record daily precipitation	45.7 mm (1.8 in)	47 of 100 (Notable)
Kentfield	United States	Record low maximum temperature	13.9 C (57.0 F)	46 of 100 (Notable)
Merced	United States	Record low maximum temperature	16.7 C (62.1 F)	46 of 100 (Notable)
Hamburg	United States	Record daily precipitation	59.7 mm (2.4 in)	46 of 100 (Notable)
Timpanogos Cave	United States	Record daily precipitation	46.7 mm (1.8 in)	46 of 100 (Notable)
Big Meadows	United States	Record daily precipitation	81.3 mm (3.2 in)	46 of 100 (Notable)
St John	United States	Record daily precipitation	27.9 mm (1.1 in)	46 of 100 (Notable)
Kolba	Russia	Record daily precipitation	29.5 mm (1.2 in)	45 of 100 (Notable)
De Sabla	United States	Record low maximum temperature	10.0 C (50.0 F)	45 of 100 (Notable)
Georgetown Rs	United States	Record daily snowfall	10.2 cm (4.0 in)	45 of 100 (Notable)
Eldorado Springs	United States	Record low maximum temperature	13.3 C (55.9 F)	45 of 100 (Notable)
Clausthal-Zellerfeld	Germany	Record daily precipitation	25.1 mm (1.0 in)	44 of 100 (Notable)
Guntersville	United States	Record low maximum temperature	15.6 C (60.1 F)	44 of 100 (Notable)
Saint Helena	United States	Record low maximum temperature	13.3 C (55.9 F)	44 of 100 (Notable)
Carrollton	United States	Record low maximum temperature	16.7 C (62.1 F)	44 of 100 (Notable)
Paris Stp	United States	Record low maximum temperature	11.1 C (52.0 F)	44 of 100 (Notable)
Ithaca Cornell UNIV	United States	Record daily precipitation	36.6 mm (1.4 in)	44 of 100 (Notable)
Mc Minnville	United States	Record low maximum temperature	13.9 C (57.0 F)	44 of 100 (Notable)
Asotin 14 SW	United States	Record daily precipitation	30.5 mm (1.2 in)	44 of 100 (Notable)
Pyramid Station	Australia	Record daily precipitation	50.2 mm (2.0 in)	43 of 100 (Notable)
Gunnedah Pool	Australia	Record low minimum temperature	-2.5 C (27.5 F)	43 of 100 (Notable)
Selma	United States	Record low maximum temperature	19.4 C (66.9 F)	43 of 100 (Notable)
Pacific House	United States	Record daily snowfall	8.4 cm (3.3 in)	43 of 100 (Notable)
Tahoe City	United States	Record low maximum temperature	1.1 C (34.0 F)	43 of 100 (Notable)
Live Oak	United States	Record low maximum temperature	25.0 C (77.0 F)	43 of 100 (Notable)
Garnett 1 E	United States	Record low minimum temperature	2.8 C (37.0 F)	43 of 100 (Notable)
Henderson 8 SSW	United States	Record low maximum temperature	13.9 C (57.0 F)	43 of 100 (Notable)
Aberdeen	United States	Record low maximum temperature	17.8 C (64.0 F)	43 of 100 (Notable)
Greenville	United States	Record low maximum temperature	18.3 C (64.9 F)	43 of 100 (Notable)
Cove 1 E	United States	Record daily precipitation	36.1 mm (1.4 in)	43 of 100 (Notable)
Clarion 3 SW	United States	Record daily precipitation	31.8 mm (1.3 in)	43 of 100 (Notable)
Alicia 2 NNE	United States	Record low maximum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Hardy	United States	Record low maximum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Lodi	United States	Record low maximum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Carrollton	United States	Record low maximum temperature	11.1 C (52.0 F)	42 of 100 (Notable)
Fallon Exp STN	United States	Record low minimum temperature	-4.4 C (24.1 F)	42 of 100 (Notable)
Marlow	United States	Record daily precipitation	39.6 mm (1.6 in)	42 of 100 (Notable)
Guthrie 5S	United States	Record low minimum temperature	2.8 C (37.0 F)	42 of 100 (Notable)
Spokane Intl AP	United States	Record low maximum temperature	8.3 C (46.9 F)	42 of 100 (Notable)
Lexington Bluegrass AP	United States	Record low maximum temperature	11.1 C (52.0 F)	42 of 100 (Notable)
Greenville	United States	Record low maximum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Des Arc	United States	Record low maximum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Howell Wwtp	United States	Record low maximum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
Princeton	United States	Record low maximum temperature	14.4 C (57.9 F)	41 of 100 (Notable)
Red Cloud	United States	Record low minimum temperature	-1.7 C (28.9 F)	41 of 100 (Notable)
Mansfield 5 W	United States	Record daily precipitation	36.8 mm (1.4 in)	41 of 100 (Notable)
Covington 3 SW	United States	Record low maximum temperature	16.1 C (61.0 F)	41 of 100 (Notable)

Counts by Type and Timescale

1,398 records

Records set or tied on 16 May 2011 by type: Highest daily maximum 109, Lowest daily maximum 610, Highest daily minimum 84, Lowest daily minimum 341, Heaviest daily rainfall 228, Heaviest daily snowfall 17, Deepest snow cover 9.

Records on 16 May 2011 by type
Record type	Records
Highest daily maximum	109
Lowest daily maximum	610
Highest daily minimum	84
Lowest daily minimum	341
Heaviest daily rainfall	228
Heaviest daily snowfall	17
Deepest snow cover	9

Records on 16 May 2011 by timescale: all-time 2, monthly 21, daily 1,375.

How Much Records Were Beaten By

1,101 broken records

Margins by which the 1,101 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

16 May 2011

Top 20 records on 16 May 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
16 May 2011	Coulee Dam 1 SW, US	daily rain	27.9 mm (1.1 in)	19.8 mm (0.8 in)	65 years	65 of 100 (Major)
16 May 2011	Monroe City, US	daily low max	10.0 C (50.0 F)	8.3 C (14.9 F)	105 years	57 of 100 (Notable)
16 May 2011	Tullahoma, US	daily low max	11.7 C (53.1 F)	6.1 C (11.0 F)	113 years	55 of 100 (Notable)
16 May 2011	Delaware Lake, US	daily rain	52.1 mm (2.1 in)	37.6 mm (1.5 in)	25 years	53 of 100 (Notable)
16 May 2011	Keene, US	daily rain	45.0 mm (1.8 in)	22.1 mm (0.9 in)	56 years	52 of 100 (Notable)
16 May 2011	York Pond, US	daily rain	46.0 mm (1.8 in)	24.4 mm (1.0 in)	50 years	52 of 100 (Notable)
16 May 2011	Dampier Salt, AU	daily rain	52.0 mm (2.0 in)	47.2 mm (1.9 in)	24 years	51 of 100 (Notable)
16 May 2011	Bridgeport, US	daily low max	3.9 C (39.0 F)	4.4 C (7.9 F)	104 years	48 of 100 (Notable)
16 May 2011	Calistoga, US	daily rain	44.5 mm (1.8 in)	34.8 mm (1.4 in)	10 years	48 of 100 (Notable)
16 May 2011	Norwich, US	daily rain	29.2 mm (1.1 in)	6.6 mm (0.26 in)	104 years	48 of 100 (Notable)
16 May 2011	Talbotton, US	daily low max	17.8 C (64.0 F)	2.8 C (5.0 F)	108 years	47 of 100 (Notable)
16 May 2011	Hanover, US	daily rain	38.4 mm (1.5 in)	7.4 mm (0.29 in)	98 years	47 of 100 (Notable)
16 May 2011	Kane 1NNE, US	daily rain	42.2 mm (1.7 in)	18.6 mm (0.7 in)	62 years	47 of 100 (Notable)
16 May 2011	Myerstown, US	daily rain	45.7 mm (1.8 in)	24.9 mm (1.0 in)	60 years	47 of 100 (Notable)
16 May 2011	Kentfield, US	daily low max	13.9 C (57.0 F)	2.8 C (5.0 F)	108 years	46 of 100 (Notable)
16 May 2011	Merced, US	daily low max	16.7 C (62.1 F)	3.3 C (5.9 F)	100 years	46 of 100 (Notable)
16 May 2011	Hamburg, US	daily rain	59.7 mm (2.4 in)	36.1 mm (1.4 in)	29 years	46 of 100 (Notable)
16 May 2011	Timpanogos Cave, US	daily rain	46.7 mm (1.8 in)	29.2 mm (1.1 in)	29 years	46 of 100 (Notable)
16 May 2011	Big Meadows, US	daily rain	81.3 mm (3.2 in)	36.3 mm (1.4 in)	34 years	46 of 100 (Notable)
16 May 2011	St John, US	daily rain	27.9 mm (1.1 in)	17.2 mm (0.7 in)	32 years	46 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

1802 to 2011

Records set or tied on this calendar date in each year from 1802 to 2011. 2011 had 1,398 records.

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

Records on 05-16 in each year
Year	Records
1802	1
1806	1
1820	1
1825	1
1832	1
1837	1
1847	1
1856	1
1858	1
1861	1
1862	1
1863	1
1864	1
1866	1
1867	2
1871	1
1874	3
1878	1
1879	1
1880	1
1881	1
1882	1
1883	1
1884	1
1885	1
1886	1
1887	2
1888	2
1889	2
1890	1
1891	4
1892	3
1893	1
1894	2
1895	6
1896	2
1897	1
1898	11
1899	6
1900	7
1901	2
1902	10
1903	9
1904	17
1905	13
1906	25
1907	13
1908	6
1909	57
1910	24
1911	22
1912	13
1913	24
1914	11
1915	104
1916	38
1917	48
1918	395
1919	28
1920	69
1921	106
1922	31
1923	126
1924	152
1925	177
1926	211
1927	230
1928	121
1929	273
1930	170
1931	254
1932	441
1933	268
1934	304
1935	320
1936	520
1937	279
1938	299
1939	448
1940	334
1941	429
1942	721
1943	652
1944	531
1945	888
1946	327
1947	344
1948	281
1949	360
1950	210
1951	558
1952	773
1953	421
1954	251
1955	525
1956	697
1957	610
1958	361
1959	680
1960	370
1961	378
1962	1,295
1963	552
1964	313
1965	442
1966	420
1967	611
1968	790
1969	423
1970	520
1971	509
1972	625
1973	869
1974	1,207
1975	544
1976	518
1977	1,269
1978	808
1979	506
1980	830
1981	896
1982	427
1983	1,579
1984	981
1985	536
1986	747
1987	1,369
1988	946
1989	938
1990	1,068
1991	1,094
1992	809
1993	653
1994	705
1995	1,235
1996	1,835
1997	1,932
1998	1,500
1999	778
2000	1,129
2001	1,110
2002	694
2003	1,289
2004	869
2005	870
2006	1,345
2007	692
2008	1,034
2009	897
2010	836
2011	1,398
2012	770
2013	596
2014	1,483
2015	782
2016	793
2017	710
2018	1,013
2019	572
2020	431
2021	419
2022	717
2023	653
2024	601
2025	993
2026	558

Download the Data

Data for records on 2011-05-16: 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	1,067
20 to 40	18
40 to 60	7
60 to 80	5
80 to 100	1
100 to 120	1
120 to 140	0
140 to 160	2