Weather Records on 12 May 2012

660 weather records were set or tied worldwide on 12 May 2012. Highest significance: Ulety, RU.

Key Facts for 12 May 2012

On 12 May 2012, 660 weather records were set or tied at long-record stations worldwide.
320 were record highs and 196 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 14 monthly and 645 daily.
Ulety set a daily record precipitation of 36.8 mm (1.4 in) on 12 May 2012.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 451 records.

Record Map

660 stations

660 station records on 12 May 2012 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ulety	Russia	Record daily precipitation	36.8 mm (1.4 in)	59 of 100 (Notable)
Houston-Westbury	United States	Record daily precipitation	167.4 mm (6.6 in)	58 of 100 (Notable)
Lajes Ab	Portugal	Record daily precipitation	111.0 mm (4.4 in)	56 of 100 (Notable)
Romanovka	Russia	Record daily precipitation	28.3 mm (1.1 in)	53 of 100 (Notable)
Nanchang	China	Record daily precipitation	156.0 mm (6.1 in)	47 of 100 (Notable)
Sugar Land	United States	Record daily precipitation	148.6 mm (5.9 in)	47 of 100 (Notable)
Segeza	Russia	Record daily precipitation	30.0 mm (1.2 in)	44 of 100 (Notable)
Nemours (Ghazaouet)	Algeria	Record high maximum temperature	30.5 C (86.9 F)	43 of 100 (Notable)
El Tajo -Tunel Viejo-	Mexico	Record daily precipitation	39.9 mm (1.6 in)	43 of 100 (Notable)
Gospic	Croatia	Record high maximum temperature	29.4 C (84.9 F)	41 of 100 (Notable)
Norman 3SSE	United States	Record low maximum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Northfield	United States	Record low minimum temperature	-5.0 C (23.0 F)	41 of 100 (Notable)
Villa del Carbon	Mexico	Record daily precipitation	44.7 mm (1.8 in)	40 of 100 (Notable)
Hilok	Russia	Record daily precipitation	35.2 mm (1.4 in)	40 of 100 (Notable)
Little Port Walter	United States	Record daily precipitation	137.9 mm (5.4 in)	40 of 100 (Notable)
El Arenal	Mexico	Record low minimum temperature	-4.4 C (24.1 F)	39 of 100 (Notable)
Richmond	United States	Record daily precipitation	236.7 mm (9.3 in)	38 of 100 (Notable)
Ternej	Russia	Record low minimum temperature	-2.2 C (28.0 F)	37 of 100 (Notable)
Rudnaja Pristan	Russia	Record low minimum temperature	-2.9 C (26.8 F)	37 of 100 (Notable)
Smartno Pri Slovenj Gradcu	Slovenia	Record daily precipitation	76.4 mm (3.0 in)	37 of 100 (Notable)
Daytona Beach	United States	Record high minimum temperature	23.9 C (75.0 F)	37 of 100 (Notable)
Dutch Harbor	United States	Record low minimum temperature	-2.2 C (28.0 F)	36 of 100 (Notable)
Kem-Port	Russia	Record daily precipitation	26.0 mm (1.0 in)	35 of 100 (Notable)
Bagdarin	Russia	Record daily precipitation	35.9 mm (1.4 in)	35 of 100 (Notable)
Tallapoosa Wtr Plt	United States	Record daily precipitation	48.0 mm (1.9 in)	35 of 100 (Notable)
Thompsons 3 WSW	United States	Record daily precipitation	86.4 mm (3.4 in)	35 of 100 (Notable)
Marseilles-Marignane	France	Record high maximum temperature	31.8 C (89.2 F)	34 of 100 (Routine)
Presa la Concepcion	Mexico	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
Mayaguez City	Puerto Rico [United States]	Record high minimum temperature	24.4 C (75.9 F)	33 of 100 (Routine)
Sosnovo-Ozerskoe	Russia	Record daily precipitation	40.0 mm (1.6 in)	33 of 100 (Routine)
Crowell	United States	Record daily precipitation	60.5 mm (2.4 in)	33 of 100 (Routine)
Galveston Scholes Fld	United States	Record daily precipitation	54.4 mm (2.1 in)	33 of 100 (Routine)
Korf	Russia	Record high maximum temperature	10.3 C (50.5 F)	32 of 100 (Routine)
Zamora	Spain	Record high minimum temperature	16.8 C (62.2 F)	32 of 100 (Routine)
Guanghua	China	Record daily precipitation	53.6 mm (2.1 in)	31 of 100 (Routine)
Copainala	Mexico	Record high maximum temperature	40.6 C (105.1 F)	31 of 100 (Routine)
Kojnas	Russia	Record high minimum temperature	11.6 C (52.9 F)	31 of 100 (Routine)
Elezkaja	Russia	Record daily precipitation	25.9 mm (1.0 in)	31 of 100 (Routine)
Pogibi	Russia	Record high maximum temperature	13.6 C (56.5 F)	31 of 100 (Routine)
New Roads 5 NE	United States	Record low maximum temperature	20.6 C (69.1 F)	31 of 100 (Routine)
Roosevelt Radio	United States	Record high minimum temperature	11.7 C (53.1 F)	31 of 100 (Routine)
Cape Bruny Lighthouse	Australia	Record low minimum temperature	1.1 C (34.0 F)	30 of 100 (Routine)
Akjoujt	Mauritania	Record high maximum temperature	46.6 C (115.9 F)	30 of 100 (Routine)
Chapantongo	Mexico	Record low minimum temperature	0.6 C (33.1 F)	30 of 100 (Routine)
Chiconautla	Mexico	Record high maximum temperature	36.1 C (97.0 F)	30 of 100 (Routine)
Saint Paul Is AP	United States	Record snow depth	53.3 cm (21.0 in)	30 of 100 (Routine)
San Miguel Totolapan	Mexico	Record low maximum temperature	32.8 C (91.0 F)	29 of 100 (Routine)
Constanta	Romania	Record high minimum temperature	19.8 C (67.6 F)	29 of 100 (Routine)
Tarko-Sale	Russia	Record high minimum temperature	5.1 C (41.2 F)	29 of 100 (Routine)
Tot-Ma	Russia	Record high minimum temperature	15.7 C (60.3 F)	29 of 100 (Routine)
Huesca	Spain	Record high maximum temperature	32.2 C (90.0 F)	29 of 100 (Routine)
Hellinikon	Greece	Record high minimum temperature	22.4 C (72.3 F)	28 of 100 (Routine)
Ponta Delgada	Portugal	Record high maximum temperature	21.7 C (71.1 F)	28 of 100 (Routine)
Whiting Fld NAS	United States	Record daily precipitation	38.6 mm (1.5 in)	28 of 100 (Routine)
Mullewa	Australia	Record high maximum temperature	32.0 C (89.6 F)	27 of 100 (Routine)
Burnie (Round Hill)	Australia	Record low maximum temperature	10.5 C (50.9 F)	27 of 100 (Routine)
Lijing	China	Record high minimum temperature	16.7 C (62.1 F)	27 of 100 (Routine)
Montpellier-Aeroport	France	Record high maximum temperature	30.4 C (86.7 F)	27 of 100 (Routine)
Mombasa	Kenya	Record low maximum temperature	25.3 C (77.5 F)	27 of 100 (Routine)
Cutzamala de Pinzon	Mexico	Record daily precipitation	29.0 mm (1.1 in)	27 of 100 (Routine)

Counts by Type and Timescale

660 records

Records set or tied on 12 May 2012 by type: Highest daily maximum 176, Lowest daily maximum 97, Highest daily minimum 144, Lowest daily minimum 99, Heaviest daily rainfall 137, Heaviest daily snowfall 3, Deepest snow cover 4.

Records on 12 May 2012 by type
Record type	Records
Highest daily maximum	176
Lowest daily maximum	97
Highest daily minimum	144
Lowest daily minimum	99
Heaviest daily rainfall	137
Heaviest daily snowfall	3
Deepest snow cover	4

Records on 12 May 2012 by timescale: all-time 1, monthly 14, daily 645.

How Much Records Were Beaten By

550 broken records

Margins by which the 550 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

12 May 2012

Top 20 records on 12 May 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 2012	Ulety, RU	daily rain	36.8 mm (1.4 in)	26.1 mm (1.0 in)	43 years	59 of 100 (Notable)
12 May 2012	Houston-Westbury, US	daily rain	167.4 mm (6.6 in)	117.4 mm (4.6 in)	41 years	58 of 100 (Notable)
12 May 2012	Lajes Ab, PT	monthly rain	111.0 mm (4.4 in)	45.0 mm (1.8 in)	2 years	56 of 100 (Notable)
12 May 2012	Romanovka, RU	daily rain	28.3 mm (1.1 in)	25.5 mm (1.0 in)	21 years	53 of 100 (Notable)
12 May 2012	Nanchang, CN	daily rain	156.0 mm (6.1 in)	82.1 mm (3.2 in)	8 years	47 of 100 (Notable)
12 May 2012	Sugar Land, US	daily rain	148.6 mm (5.9 in)	81.3 mm (3.2 in)	8 years	47 of 100 (Notable)
12 May 2012	Segeza, RU	monthly rain	30.0 mm (1.2 in)	8.6 mm (0.34 in)	20 years	44 of 100 (Notable)
12 May 2012	Nemours (Ghazaouet), DZ	daily high max	30.5 C (86.9 F)	0.9 C (1.6 F)	125 years	43 of 100 (Notable)
12 May 2012	El Tajo -Tunel Viejo-, MX	daily rain	39.9 mm (1.6 in)	22.1 mm (0.9 in)	44 years	43 of 100 (Notable)
12 May 2012	Gospic, HR	daily high max	29.4 C (84.9 F)	0.9 C (1.6 F)	100 years	41 of 100 (Notable)
12 May 2012	Norman 3SSE, US	daily low max	16.7 C (62.1 F)	0.5 C (0.9 F)	109 years	41 of 100 (Notable)
12 May 2012	Northfield, US	daily low min	-5.0 C (23.0 F)	1.1 C (2.0 F)	99 years	41 of 100 (Notable)
12 May 2012	Villa del Carbon, MX	daily rain	44.7 mm (1.8 in)	24.6 mm (1.0 in)	23 years	40 of 100 (Notable)
12 May 2012	Hilok, RU	monthly rain	35.2 mm (1.4 in)	0.7 mm (0.03 in)	75 years	40 of 100 (Notable)
12 May 2012	Little Port Walter, US	daily rain	137.9 mm (5.4 in)	36.8 mm (1.4 in)	60 years	40 of 100 (Notable)
12 May 2012	El Arenal, MX	daily low min	-4.4 C (24.1 F)	8.3 C (14.9 F)	25 years	39 of 100 (Notable)
12 May 2012	Richmond, US	all-time rain	236.7 mm (9.3 in)	18.8 mm (0.7 in)	0 years	38 of 100 (Notable)
12 May 2012	Ternej, RU	daily low min	-2.2 C (28.0 F)	1.2 C (2.2 F)	85 years	37 of 100 (Notable)
12 May 2012	Rudnaja Pristan, RU	daily low min	-2.9 C (26.8 F)	2.2 C (4.0 F)	70 years	37 of 100 (Notable)
12 May 2012	Smartno Pri Slovenj Gradcu, SI	monthly rain	76.4 mm (3.0 in)	18.3 mm (0.7 in)	12 years	37 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 2012

Records set or tied on this calendar date in each year from 1814 to 2012. 2012 had 660 records.

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

Records on 05-12 in each year
Year	Records
1814	2
1823	1
1825	1
1827	1
1834	1
1837	1
1838	1
1845	1
1847	1
1848	1
1849	2
1851	1
1855	2
1860	2
1862	2
1863	1
1867	1
1868	1
1872	2
1874	1
1877	1
1878	1
1879	1
1881	4
1882	5
1884	3
1885	2
1886	3
1887	1
1888	1
1889	1
1890	1
1891	4
1894	1
1895	1
1896	1
1897	7
1898	3
1900	3
1901	6
1902	5
1903	7
1904	11
1905	10
1906	20
1907	53
1908	12
1909	4
1910	9
1911	37
1912	46
1913	6
1914	36
1915	50
1916	42
1917	54
1918	113
1919	42
1920	19
1921	64
1922	43
1923	109
1924	245
1925	275
1926	121
1927	167
1928	192
1929	172
1930	500
1931	350
1932	199
1933	476
1934	293
1935	404
1936	329
1937	214
1938	394
1939	233
1940	440
1941	568
1942	418
1943	803
1944	368
1945	389
1946	653
1947	286
1948	390
1949	414
1950	283
1951	427
1952	711
1953	891
1954	305
1955	265
1956	1,568
1957	454
1958	714
1959	740
1960	1,583
1961	381
1962	713
1963	777
1964	401
1965	196
1966	909
1967	810
1968	890
1969	506
1970	698
1971	668
1972	641
1973	393
1974	702
1975	418
1976	541
1977	855
1978	802
1979	763
1980	684
1981	855
1982	763
1983	1,281
1984	887
1985	1,199
1986	473
1987	1,295
1988	619
1989	856
1990	617
1991	1,177
1992	1,022
1993	1,208
1994	738
1995	1,190
1996	1,420
1997	921
1998	1,576
1999	881
2000	1,486
2001	1,015
2002	1,027
2003	861
2004	1,054
2005	1,369
2006	797
2007	630
2008	858
2009	687
2010	1,250
2011	1,119
2012	660
2013	689
2014	949
2015	958
2016	421
2017	529
2018	819
2019	784
2020	1,338
2021	712
2022	1,930
2023	429
2024	447
2025	940
2026	1,110

Download the Data

Data for records on 2012-05-12: 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 50	544
50 to 100	2
100 to 150	3
150 to 200	0
200 to 250	0
250 to 300	1