Weather Records on 20 May 2012

604 weather records were set or tied worldwide on 20 May 2012. Highest significance: Neligh, US.

Key Facts for 20 May 2012

On 20 May 2012, 604 weather records were set or tied at long-record stations worldwide.
373 were record highs and 137 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 22 monthly and 580 daily.
Neligh set a daily record precipitation of 51.6 mm (2.0 in) on 20 May 2012.
Across 162 earlier years (1802 to 2026) the same calendar date averaged 455 records.

Record Map

604 stations

604 station records on 20 May 2012 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 May 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Neligh	United States	Record daily precipitation	51.6 mm (2.0 in)	61 of 100 (Major)
Schneifelforsthaus	Germany	Record daily precipitation	40.8 mm (1.6 in)	55 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record low minimum temperature	13.3 C (55.9 F)	53 of 100 (Notable)
Madison 2SE	United States	Record daily precipitation	54.6 mm (2.1 in)	52 of 100 (Notable)
Beaver Is	United States	Record high maximum temperature	31.1 C (88.0 F)	51 of 100 (Notable)
Old Forge	United States	Record high maximum temperature	33.9 C (93.0 F)	51 of 100 (Notable)
Washta	United States	Record daily precipitation	38.4 mm (1.5 in)	45 of 100 (Notable)
Frankfort 2NE	United States	Record high minimum temperature	19.4 C (66.9 F)	45 of 100 (Notable)
Mason City	United States	Record daily precipitation	44.7 mm (1.8 in)	45 of 100 (Notable)
Caledonia	United States	Record high minimum temperature	20.6 C (69.1 F)	44 of 100 (Notable)
Biser	Russia	Record high minimum temperature	15.2 C (59.4 F)	43 of 100 (Notable)
Canby	United States	Record daily precipitation	34.8 mm (1.4 in)	43 of 100 (Notable)
New London	United States	Record high minimum temperature	19.4 C (66.9 F)	43 of 100 (Notable)
Oconto 4 W	United States	Record high minimum temperature	17.2 C (63.0 F)	43 of 100 (Notable)
Eindhoven (Vb)	Netherlands	Record daily precipitation	39.9 mm (1.6 in)	42 of 100 (Notable)
Howard	United States	Record daily precipitation	27.2 mm (1.1 in)	42 of 100 (Notable)
Medford	United States	Record high minimum temperature	18.3 C (64.9 F)	42 of 100 (Notable)
Oshkosh	United States	Record high minimum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Tonsina	United States	Record snow depth	25.4 cm (10.0 in)	42 of 100 (Notable)
Cundancito	Mexico	Record low minimum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Streator 2SE	United States	Record high maximum temperature	32.8 C (91.0 F)	41 of 100 (Notable)
Walnut	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Milan 1NW	United States	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Monroe City	United States	Record high minimum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
O'Neill	United States	Record daily precipitation	26.2 mm (1.0 in)	41 of 100 (Notable)
Springfield Abraham Lincoln Ca	United States	Record daily precipitation	59.2 mm (2.3 in)	41 of 100 (Notable)
Zundert	Netherlands	Record daily precipitation	25.1 mm (1.0 in)	40 of 100 (Notable)
Bergland Dam	United States	Record high minimum temperature	15.6 C (60.1 F)	40 of 100 (Notable)
Seaside	United States	Record low minimum temperature	-3.3 C (26.1 F)	40 of 100 (Notable)
Nalut	Libya	Record high minimum temperature	28.0 C (82.4 F)	39 of 100 (Notable)
Pipestone	United States	Record daily precipitation	31.5 mm (1.2 in)	39 of 100 (Notable)
Sandy Lake Dam Libby	United States	Record daily precipitation	38.6 mm (1.5 in)	39 of 100 (Notable)
Winter	United States	Record high minimum temperature	17.2 C (63.0 F)	39 of 100 (Notable)
Greenville 2 NNE	United States	Record high maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Farmington	United States	Record high maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Montrose	United States	Record daily precipitation	36.8 mm (1.4 in)	38 of 100 (Notable)
Herwen	Netherlands	Record daily precipitation	40.1 mm (1.6 in)	37 of 100 (Notable)
Iron Mtn-Kingsford Wwtp	United States	Record high maximum temperature	31.1 C (88.0 F)	37 of 100 (Notable)
Buffalo 2NE	United States	Record daily precipitation	36.3 mm (1.4 in)	37 of 100 (Notable)
Ajaccio	France	Record daily precipitation	51.3 mm (2.0 in)	36 of 100 (Notable)
Volkel	Netherlands	Record daily precipitation	32.2 mm (1.3 in)	36 of 100 (Notable)
Kimberley	South Africa	Record low minimum temperature	-5.2 C (22.6 F)	36 of 100 (Notable)
E Tawas	United States	Record high maximum temperature	28.3 C (82.9 F)	36 of 100 (Notable)
Hancock Exp Farm	United States	Record high minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Nalut	Libya	Record high maximum temperature	42.1 C (107.8 F)	35 of 100 (Notable)
Ammerzoden	Netherlands	Record daily precipitation	36.5 mm (1.4 in)	35 of 100 (Notable)
Marshfield Exp Farm	United States	Record high minimum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Shawano 2SSW	United States	Record high minimum temperature	18.9 C (66.0 F)	35 of 100 (Notable)
Santo Domingo	Mexico	Record high minimum temperature	22.8 C (73.0 F)	34 of 100 (Routine)
Sosnovka	Russia	Record daily precipitation	39.2 mm (1.5 in)	34 of 100 (Routine)
Cloquet	United States	Record daily precipitation	32.3 mm (1.3 in)	34 of 100 (Routine)
Wright 3 E	United States	Record daily precipitation	33.3 mm (1.3 in)	34 of 100 (Routine)
Alexandria	United States	Record daily precipitation	35.8 mm (1.4 in)	34 of 100 (Routine)
Montague 4 NW	United States	Record high minimum temperature	19.4 C (66.9 F)	33 of 100 (Routine)
Vanderbilt 11ENE	United States	Record high maximum temperature	33.3 C (91.9 F)	32 of 100 (Routine)
Dawson	United States	Record daily precipitation	32.5 mm (1.3 in)	32 of 100 (Routine)
Paisley	United States	Record high minimum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Hoseda Hard	Russia	Record high minimum temperature	6.8 C (44.2 F)	31 of 100 (Routine)
Verhoture	Russia	Record high minimum temperature	17.3 C (63.1 F)	31 of 100 (Routine)
Esengyly	Turkmenistan	Record high minimum temperature	23.4 C (74.1 F)	31 of 100 (Routine)

Counts by Type and Timescale

604 records

Records set or tied on 20 May 2012 by type: Highest daily maximum 188, Lowest daily maximum 62, Highest daily minimum 185, Lowest daily minimum 75, Heaviest daily rainfall 92, Deepest snow cover 2.

Records on 20 May 2012 by type
Record type	Records
Highest daily maximum	188
Lowest daily maximum	62
Highest daily minimum	185
Lowest daily minimum	75
Heaviest daily rainfall	92
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 20 May 2012 by timescale: all-time 2, monthly 22, daily 580.

How Much Records Were Beaten By

449 broken records

Margins by which the 449 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 330.0. Ties are not counted.

Top 20 by Significance

20 May 2012

Top 20 records on 20 May 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 May 2012	Neligh, US	daily rain	51.6 mm (2.0 in)	28.7 mm (1.1 in)	94 years	61 of 100 (Major)
20 May 2012	Schneifelforsthaus, DE	daily rain	40.8 mm (1.6 in)	24.5 mm (1.0 in)	30 years	55 of 100 (Notable)
20 May 2012	Ponce 4 E, PR	monthly low min	13.3 C (55.9 F)	0.6 C (1.1 F)	110 years	53 of 100 (Notable)
20 May 2012	Madison 2SE, US	daily rain	54.6 mm (2.1 in)	44.2 mm (1.7 in)	24 years	52 of 100 (Notable)
20 May 2012	Beaver Is, US	monthly high max	31.1 C (88.0 F)	0.5 C (0.9 F)	101 years	51 of 100 (Notable)
20 May 2012	Old Forge, US	monthly high max	33.9 C (93.0 F)	0.6 C (1.1 F)	100 years	51 of 100 (Notable)
20 May 2012	Washta, US	daily rain	38.4 mm (1.5 in)	6.6 mm (0.26 in)	113 years	45 of 100 (Notable)
20 May 2012	Frankfort 2NE, US	daily high min	19.4 C (66.9 F)	3.8 C (6.8 F)	91 years	45 of 100 (Notable)
20 May 2012	Mason City, US	daily rain	44.7 mm (1.8 in)	7.4 mm (0.29 in)	102 years	45 of 100 (Notable)
20 May 2012	Caledonia, US	daily high min	20.6 C (69.1 F)	2.3 C (4.1 F)	108 years	44 of 100 (Notable)
20 May 2012	Biser, RU	daily high min	15.2 C (59.4 F)	1.7 C (3.1 F)	106 years	43 of 100 (Notable)
20 May 2012	Canby, US	daily rain	34.8 mm (1.4 in)	9.4 mm (0.37 in)	85 years	43 of 100 (Notable)
20 May 2012	New London, US	daily high min	19.4 C (66.9 F)	1.6 C (2.9 F)	101 years	43 of 100 (Notable)
20 May 2012	Oconto 4 W, US	daily high min	17.2 C (63.0 F)	1.6 C (2.9 F)	101 years	43 of 100 (Notable)
20 May 2012	Eindhoven (Vb), NL	daily rain	39.9 mm (1.6 in)	20.7 mm (0.8 in)	9 years	42 of 100 (Notable)
20 May 2012	Howard, US	daily rain	27.2 mm (1.1 in)	2.3 mm (0.09 in)	113 years	42 of 100 (Notable)
20 May 2012	Medford, US	daily high min	18.3 C (64.9 F)	1.1 C (2.0 F)	110 years	42 of 100 (Notable)
20 May 2012	Oshkosh, US	daily high min	20.0 C (68.0 F)	1.1 C (2.0 F)	118 years	42 of 100 (Notable)
20 May 2012	Tonsina, US	daily snow depth	25.4 cm (10.0 in)	25.4 cm (10.0 in)	48 years	42 of 100 (Notable)
20 May 2012	Cundancito, MX	daily low min	11.7 C (53.1 F)	6.1 C (11.0 F)	36 years	41 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 2012

Records set or tied on this calendar date in each year from 1802 to 2012. 2012 had 604 records.

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

Records on 05-20 in each year
Year	Records
1802	1
1803	1
1804	1
1815	1
1825	1
1837	1
1844	1
1845	3
1847	1
1854	1
1858	3
1861	1
1862	1
1865	1
1867	1
1868	2
1870	3
1871	2
1876	2
1877	3
1879	1
1880	2
1884	2
1885	1
1887	2
1889	3
1890	3
1891	5
1892	3
1893	1
1894	6
1895	3
1896	3
1897	3
1898	4
1899	4
1900	1
1901	5
1902	11
1903	19
1904	4
1905	4
1906	22
1907	35
1908	23
1909	10
1910	20
1911	82
1912	20
1913	10
1914	16
1915	42
1916	29
1917	46
1918	92
1919	56
1920	44
1921	234
1922	40
1923	125
1924	189
1925	251
1926	128
1927	118
1928	138
1929	323
1930	129
1931	451
1932	689
1933	449
1934	582
1935	259
1936	207
1937	270
1938	331
1939	266
1940	337
1941	378
1942	337
1943	802
1944	315
1945	498
1946	339
1947	358
1948	514
1949	586
1950	327
1951	288
1952	615
1953	518
1954	822
1955	421
1956	565
1957	728
1958	378
1959	785
1960	612
1961	333
1962	773
1963	732
1964	517
1965	200
1966	416
1967	587
1968	743
1969	885
1970	310
1971	653
1972	612
1973	419
1974	893
1975	1,332
1976	837
1977	553
1978	534
1979	683
1980	751
1981	1,540
1982	554
1983	1,307
1984	867
1985	426
1986	790
1987	1,036
1988	805
1989	764
1990	722
1991	925
1992	1,200
1993	1,208
1994	778
1995	734
1996	1,749
1997	1,106
1998	1,124
1999	673
2000	991
2001	847
2002	2,299
2003	1,201
2004	746
2005	929
2006	1,006
2007	565
2008	999
2009	1,529
2010	1,011
2011	1,117
2012	604
2013	919
2014	629
2015	1,001
2016	692
2017	1,214
2018	460
2019	1,483
2020	784
2021	904
2022	1,643
2023	1,106
2024	478
2025	969
2026	696

Download the Data

Data for records on 2012-05-20: 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 50	447
50 to 100	0
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	1
300 to 350	1