Weather Records on 15 May 2012

751 weather records were set or tied worldwide on 15 May 2012. Highest significance: Bombana (Cfe), MX.

Key Facts for 15 May 2012

On 15 May 2012, 751 weather records were set or tied at long-record stations worldwide.
430 were record highs and 157 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 729 daily.
Bombana (Cfe) set a daily record precipitation of 89.9 mm (3.5 in) on 15 May 2012.
Across 162 earlier years (1820 to 2026) the same calendar date averaged 429 records.

Record Map

751 stations

751 station records on 15 May 2012 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 May 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bombana (Cfe)	Mexico	Record daily precipitation	89.9 mm (3.5 in)	64 of 100 (Major)
Conway	United States	Record daily precipitation	151.1 mm (5.9 in)	63 of 100 (Major)
Juiz de Fora	Brazil	Record daily precipitation	40.9 mm (1.6 in)	59 of 100 (Notable)
State College	United States	Record daily precipitation	56.4 mm (2.2 in)	57 of 100 (Notable)
Beavertown 1 NE	United States	Record daily precipitation	53.6 mm (2.1 in)	55 of 100 (Notable)
Orlando Sanford AP	United States	Record daily precipitation	55.1 mm (2.2 in)	55 of 100 (Notable)
Dzardzan	Russia	Record daily precipitation	29.0 mm (1.1 in)	54 of 100 (Notable)
Mt Airy 2 W	United States	Record daily precipitation	76.7 mm (3.0 in)	51 of 100 (Notable)
Buena Vista	United States	Record daily precipitation	45.0 mm (1.8 in)	48 of 100 (Notable)
Walkerton 2 NW	United States	Record daily precipitation	104.9 mm (4.1 in)	48 of 100 (Notable)
Selinsgrove 2 S	United States	Record daily precipitation	37.3 mm (1.5 in)	47 of 100 (Notable)
Ocampo	Mexico	Record daily precipitation	67.8 mm (2.7 in)	46 of 100 (Notable)
Lanzarote/Aeropuerto	Spain	Record high maximum temperature	36.2 C (97.2 F)	45 of 100 (Notable)
Equinunk 2 NW	United States	Record daily precipitation	39.6 mm (1.6 in)	45 of 100 (Notable)
Ft Green 12 WSW	United States	Record daily precipitation	108.5 mm (4.3 in)	44 of 100 (Notable)
The Dalles	United States	Record high maximum temperature	34.4 C (93.9 F)	44 of 100 (Notable)
Carlisle Wtp	United States	Record daily precipitation	32.3 mm (1.3 in)	44 of 100 (Notable)
Laurens	United States	Record daily precipitation	53.6 mm (2.1 in)	44 of 100 (Notable)
Concord	United States	Record daily precipitation	47.0 mm (1.9 in)	43 of 100 (Notable)
Schulenburg	United States	Record daily precipitation	118.4 mm (4.7 in)	43 of 100 (Notable)
Fuzhou	China	Record daily precipitation	80.2 mm (3.2 in)	42 of 100 (Notable)
Hallettsville 2 N	United States	Record low maximum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Prilep	Macedonia	Record daily precipitation	41.2 mm (1.6 in)	41 of 100 (Notable)
Charlevoix	United States	Record high minimum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Yadkinville 6 E	United States	Record daily precipitation	86.6 mm (3.4 in)	41 of 100 (Notable)
Black Rock	United States	Record high maximum temperature	35.0 C (95.0 F)	41 of 100 (Notable)
Apatzingan (Smn)	Mexico	Record daily precipitation	34.8 mm (1.4 in)	40 of 100 (Notable)
Virginia City	United States	Record high maximum temperature	28.3 C (82.9 F)	40 of 100 (Notable)
Scottsville 6SE	United States	Record daily precipitation	53.3 mm (2.1 in)	40 of 100 (Notable)
Hawaii Vol Np HQ 54	United States	Record low minimum temperature	6.7 C (44.1 F)	40 of 100 (Notable)
Cascade 5 S	United States	Record high maximum temperature	32.2 C (90.0 F)	39 of 100 (Notable)
Gibson Dam	United States	Record high maximum temperature	27.8 C (82.0 F)	39 of 100 (Notable)
Everett	United States	Record daily precipitation	46.0 mm (1.8 in)	39 of 100 (Notable)
Wilkes-Barre/Scranton Intl AP	United States	Record daily precipitation	58.2 mm (2.3 in)	39 of 100 (Notable)
Bear Gap	United States	Record daily precipitation	31.2 mm (1.2 in)	38 of 100 (Notable)
Buffalo Bill Dam	United States	Record high maximum temperature	28.3 C (82.9 F)	38 of 100 (Notable)
Viljujsk	Russia	Record high minimum temperature	10.6 C (51.1 F)	37 of 100 (Notable)
Glasgow 1 SE	United States	Record daily precipitation	73.7 mm (2.9 in)	37 of 100 (Notable)
Colville	United States	Record high maximum temperature	33.3 C (91.9 F)	37 of 100 (Notable)
North Lakhimpur	India	Record daily precipitation	106.9 mm (4.2 in)	36 of 100 (Notable)
Ashton 1N	United States	Record high minimum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Oak City	United States	Record high maximum temperature	32.8 C (91.0 F)	36 of 100 (Notable)
Craigsville 2 S	United States	Record daily precipitation	37.3 mm (1.5 in)	36 of 100 (Notable)
Greene	United States	Record daily precipitation	27.4 mm (1.1 in)	35 of 100 (Notable)
Sunbury	United States	Record daily precipitation	36.8 mm (1.4 in)	35 of 100 (Notable)
Marion	United States	Record daily precipitation	26.4 mm (1.0 in)	35 of 100 (Notable)
Blythe	United States	Record high maximum temperature	43.9 C (111.0 F)	34 of 100 (Routine)
Saratoga Springs 4 SW	United States	Record daily precipitation	37.1 mm (1.5 in)	34 of 100 (Routine)
Morton	United States	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
Butte Bert Mooney AP	United States	Record high maximum temperature	28.3 C (82.9 F)	34 of 100 (Routine)
Jerez de la Frontera	Spain	Record high maximum temperature	38.2 C (100.8 F)	33 of 100 (Routine)
Valier	United States	Record high maximum temperature	30.0 C (86.0 F)	33 of 100 (Routine)
Lewistown	United States	Record daily precipitation	32.0 mm (1.3 in)	33 of 100 (Routine)
Van Horn	United States	Record low maximum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Bremo Bluff	United States	Record daily precipitation	36.1 mm (1.4 in)	33 of 100 (Routine)
Skagway	United States	Record low maximum temperature	7.8 C (46.0 F)	33 of 100 (Routine)
Corfu	Greece	Record daily precipitation	39.4 mm (1.6 in)	32 of 100 (Routine)
Los Otates V	Mexico	Record low maximum temperature	27.8 C (82.0 F)	32 of 100 (Routine)
Copalillo	Mexico	Record low minimum temperature	14.4 C (57.9 F)	32 of 100 (Routine)
W Kerr Scott Resv	United States	Record daily precipitation	45.2 mm (1.8 in)	32 of 100 (Routine)

Counts by Type and Timescale

751 records

Records set or tied on 15 May 2012 by type: Highest daily maximum 264, Lowest daily maximum 60, Highest daily minimum 166, Lowest daily minimum 97, Heaviest daily rainfall 156, Heaviest daily snowfall 3, Deepest snow cover 5.

Records on 15 May 2012 by type
Record type	Records
Highest daily maximum	264
Lowest daily maximum	60
Highest daily minimum	166
Lowest daily minimum	97
Heaviest daily rainfall	156
Heaviest daily snowfall	3
Deepest snow cover	5

Records on 15 May 2012 by timescale: all-time 0, monthly 22, daily 729.

How Much Records Were Beaten By

570 broken records

Margins by which the 570 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

15 May 2012

Top 20 records on 15 May 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 2012	Bombana (Cfe), MX	daily rain	89.9 mm (3.5 in)	69.1 mm (2.7 in)	61 years	64 of 100 (Major)
15 May 2012	Conway, US	monthly rain	151.1 mm (5.9 in)	20.3 mm (0.8 in)	96 years	63 of 100 (Major)
15 May 2012	Juiz de Fora, BR	daily rain	40.9 mm (1.6 in)	37.8 mm (1.5 in)	43 years	59 of 100 (Notable)
15 May 2012	State College, US	daily rain	56.4 mm (2.2 in)	32.8 mm (1.3 in)	34 years	57 of 100 (Notable)
15 May 2012	Beavertown 1 NE, US	daily rain	53.6 mm (2.1 in)	32.0 mm (1.3 in)	66 years	55 of 100 (Notable)
15 May 2012	Orlando Sanford AP, US	daily rain	55.1 mm (2.2 in)	50.5 mm (2.0 in)	55 years	55 of 100 (Notable)
15 May 2012	Dzardzan, RU	monthly rain	29.0 mm (1.1 in)	7.8 mm (0.31 in)	33 years	54 of 100 (Notable)
15 May 2012	Mt Airy 2 W, US	monthly rain	76.7 mm (3.0 in)	2.8 mm (0.11 in)	98 years	51 of 100 (Notable)
15 May 2012	Buena Vista, US	daily rain	45.0 mm (1.8 in)	23.4 mm (0.9 in)	58 years	48 of 100 (Notable)
15 May 2012	Walkerton 2 NW, US	monthly rain	104.9 mm (4.1 in)	21.1 mm (0.8 in)	42 years	48 of 100 (Notable)
15 May 2012	Selinsgrove 2 S, US	daily rain	37.3 mm (1.5 in)	7.8 mm (0.31 in)	104 years	47 of 100 (Notable)
15 May 2012	Ocampo, MX	daily rain	67.8 mm (2.7 in)	57.9 mm (2.3 in)	6 years	46 of 100 (Notable)
15 May 2012	Lanzarote/Aeropuerto, ES	daily high max	36.2 C (97.2 F)	6.6 C (11.9 F)	33 years	45 of 100 (Notable)
15 May 2012	Equinunk 2 NW, US	daily rain	39.6 mm (1.6 in)	22.8 mm (0.9 in)	55 years	45 of 100 (Notable)
15 May 2012	Ft Green 12 WSW, US	daily rain	108.5 mm (4.3 in)	47.5 mm (1.9 in)	41 years	44 of 100 (Notable)
15 May 2012	The Dalles, US	daily high max	34.4 C (93.9 F)	2.2 C (4.0 F)	114 years	44 of 100 (Notable)
15 May 2012	Carlisle Wtp, US	daily rain	32.3 mm (1.3 in)	8.2 mm (0.32 in)	161 years	44 of 100 (Notable)
15 May 2012	Laurens, US	daily rain	53.6 mm (2.1 in)	15.0 mm (0.6 in)	78 years	44 of 100 (Notable)
15 May 2012	Concord, US	daily rain	47.0 mm (1.9 in)	17.8 mm (0.7 in)	69 years	43 of 100 (Notable)
15 May 2012	Schulenburg, US	daily rain	118.4 mm (4.7 in)	79.5 mm (3.1 in)	2 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

1820 to 2012

Records set or tied on this calendar date in each year from 1820 to 2012. 2012 had 751 records.

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

Records on 05-15 in each year
Year	Records
1820	1
1825	1
1831	1
1832	1
1837	2
1845	1
1847	2
1848	1
1855	2
1857	2
1859	1
1862	1
1863	1
1865	1
1866	2
1867	1
1868	2
1870	1
1871	3
1874	2
1876	4
1878	1
1879	2
1881	1
1883	1
1885	1
1886	2
1888	3
1891	3
1893	5
1894	2
1895	4
1896	2
1897	4
1898	3
1899	9
1900	9
1901	2
1902	9
1903	4
1904	13
1905	16
1906	10
1907	27
1908	25
1909	89
1910	27
1911	27
1912	26
1913	60
1914	16
1915	236
1916	27
1917	80
1918	133
1919	25
1920	58
1921	92
1922	30
1923	125
1924	174
1925	100
1926	161
1927	191
1928	144
1929	161
1930	136
1931	459
1932	368
1933	439
1934	227
1935	288
1936	372
1937	373
1938	393
1939	351
1940	179
1941	454
1942	701
1943	568
1944	630
1945	588
1946	238
1947	334
1948	264
1949	363
1950	260
1951	736
1952	476
1953	426
1954	355
1955	538
1956	466
1957	521
1958	605
1959	764
1960	291
1961	508
1962	1,128
1963	782
1964	347
1965	320
1966	389
1967	609
1968	1,019
1969	790
1970	512
1971	351
1972	484
1973	818
1974	1,230
1975	372
1976	803
1977	1,186
1978	922
1979	404
1980	625
1981	586
1982	500
1983	1,215
1984	1,059
1985	649
1986	679
1987	1,073
1988	643
1989	552
1990	776
1991	1,179
1992	944
1993	784
1994	910
1995	1,750
1996	1,452
1997	1,175
1998	1,641
1999	810
2000	850
2001	1,280
2002	801
2003	1,023
2004	1,046
2005	767
2006	955
2007	949
2008	995
2009	675
2010	1,088
2011	1,298
2012	751
2013	1,081
2014	1,411
2015	717
2016	890
2017	435
2018	1,074
2019	627
2020	472
2021	412
2022	847
2023	566
2024	596
2025	801
2026	481

Download the Data

Data for records on 2012-05-15: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 50	563
50 to 100	4
100 to 150	1
150 to 200	0
200 to 250	1
250 to 300	0
300 to 350	1