Weather Records on 12 May 2015

958 weather records were set or tied worldwide on 12 May 2015. Highest significance: Robstown, US.

Key Facts for 12 May 2015

On 12 May 2015, 958 weather records were set or tied at long-record stations worldwide.
527 were record highs and 139 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 948 daily.
Robstown set a daily record precipitation of 135.9 mm (5.4 in) on 12 May 2015.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 450 records.

Record Map

958 stations

958 station records on 12 May 2015 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 2015: highest significance records shown on the map
Station	Country	Type	Value	Significance
Robstown	United States	Record daily precipitation	135.9 mm (5.4 in)	74 of 100 (Major)
Rio Grande City	United States	Record daily precipitation	127.0 mm (5.0 in)	58 of 100 (Notable)
Halepohaku 111	United States	Record daily precipitation	38.1 mm (1.5 in)	58 of 100 (Notable)
Hot Springs	United States	Record daily precipitation	65.0 mm (2.6 in)	56 of 100 (Notable)
Falfurrias	United States	Record daily precipitation	86.4 mm (3.4 in)	51 of 100 (Notable)
Welder Wildlife Foundation	United States	Record daily precipitation	99.8 mm (3.9 in)	51 of 100 (Notable)
Pamban	India	Record daily precipitation	39.1 mm (1.5 in)	49 of 100 (Notable)
Amherst	United States	Record high minimum temperature	19.4 C (66.9 F)	48 of 100 (Notable)
Mason City	United States	Record low minimum temperature	-5.6 C (21.9 F)	48 of 100 (Notable)
Midland 4 ENE	United States	Record daily precipitation	34.3 mm (1.4 in)	48 of 100 (Notable)
Scipio	United States	Record high minimum temperature	15.0 C (59.0 F)	48 of 100 (Notable)
Piedras Negras (Obs)	Mexico	Record daily precipitation	109.7 mm (4.3 in)	47 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record low minimum temperature	16.7 C (62.1 F)	47 of 100 (Notable)
Hebbronville	United States	Record daily precipitation	117.6 mm (4.6 in)	47 of 100 (Notable)
Renison Bell	Australia	Record daily precipitation	69.4 mm (2.7 in)	46 of 100 (Notable)
Berge	Germany	Record daily precipitation	27.4 mm (1.1 in)	46 of 100 (Notable)
Litchville 2NW	United States	Record daily snowfall	10.2 cm (4.0 in)	46 of 100 (Notable)
Hawi 168	United States	Record daily precipitation	51.3 mm (2.0 in)	46 of 100 (Notable)
Old Forge	United States	Record high minimum temperature	16.1 C (61.0 F)	45 of 100 (Notable)
Storrs	United States	Record high minimum temperature	18.3 C (64.9 F)	44 of 100 (Notable)
Oakland 1 SE	United States	Record high minimum temperature	16.7 C (62.1 F)	44 of 100 (Notable)
Bedford	United States	Record low maximum temperature	10.6 C (51.1 F)	43 of 100 (Notable)
Government Camp	United States	Record daily precipitation	47.0 mm (1.9 in)	43 of 100 (Notable)
George W 2 SSW	United States	Record daily precipitation	76.2 mm (3.0 in)	43 of 100 (Notable)
Flemington 5 NNW	United States	Record high minimum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Lowville	United States	Record high minimum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Norwich	United States	Record high minimum temperature	15.0 C (59.0 F)	42 of 100 (Notable)
Louisburg	United States	Record high minimum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
New Castle 1 N	United States	Record high minimum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Wessington Springs	United States	Record low minimum temperature	-1.1 C (30.0 F)	42 of 100 (Notable)
Gatesville	United States	Record low maximum temperature	18.3 C (64.9 F)	42 of 100 (Notable)
Wytheville	United States	Record high maximum temperature	30.6 C (87.1 F)	42 of 100 (Notable)
White Pass E.S.	United States	Record daily precipitation	25.4 mm (1.0 in)	42 of 100 (Notable)
Washta	United States	Record low maximum temperature	8.9 C (48.0 F)	41 of 100 (Notable)
Charlotteburg Rsvr	United States	Record high minimum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Avon	United States	Record high minimum temperature	17.2 C (63.0 F)	41 of 100 (Notable)
Lowville	United States	Record high maximum temperature	28.9 C (84.0 F)	41 of 100 (Notable)
Newark	United States	Record daily precipitation	51.3 mm (2.0 in)	41 of 100 (Notable)
Warren 3 S	United States	Record high minimum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
State College	United States	Record high minimum temperature	17.8 C (64.0 F)	41 of 100 (Notable)
Towanda 1 S	United States	Record high minimum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Ashland	United States	Record high minimum temperature	19.4 C (66.9 F)	41 of 100 (Notable)
Dutch Harbor	United States	Record high minimum temperature	6.1 C (43.0 F)	41 of 100 (Notable)
Nemours (Ghazaouet)	Algeria	Record high minimum temperature	19.7 C (67.5 F)	40 of 100 (Notable)
Allerton	United States	Record low maximum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
Ada	United States	Record low maximum temperature	5.0 C (41.0 F)	40 of 100 (Notable)
Syracuse	United States	Record low maximum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
New Castle 1 N	United States	Record high maximum temperature	33.3 C (91.9 F)	40 of 100 (Notable)
Erikstad	Sweden	Record daily precipitation	28.3 mm (1.1 in)	39 of 100 (Notable)
Elizabethtown	United States	Record daily precipitation	44.5 mm (1.8 in)	39 of 100 (Notable)
Uniontown 1 NE	United States	Record high minimum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
McCook	United States	Record daily precipitation	87.4 mm (3.4 in)	39 of 100 (Notable)
Corpus Christi NAS	United States	Record daily precipitation	178.6 mm (7.0 in)	39 of 100 (Notable)
Otis 2 NE	United States	Record daily precipitation	43.7 mm (1.7 in)	38 of 100 (Notable)
Poset	Russia	Record daily precipitation	30.5 mm (1.2 in)	37 of 100 (Notable)
Elgin 1 N	United States	Record daily precipitation	67.6 mm (2.7 in)	37 of 100 (Notable)
Freeport 2 NW	United States	Record daily precipitation	59.7 mm (2.4 in)	37 of 100 (Notable)
Utah Lake Lehi	United States	Record high minimum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Huntsville	United States	Record low maximum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Chulitna Rvr	United States	Record daily precipitation	29.2 mm (1.1 in)	36 of 100 (Notable)

Counts by Type and Timescale

958 records

Records set or tied on 12 May 2015 by type: Highest daily maximum 242, Lowest daily maximum 87, Highest daily minimum 285, Lowest daily minimum 52, Heaviest daily rainfall 280, Heaviest daily snowfall 2, Deepest snow cover 10.

Records on 12 May 2015 by type
Record type	Records
Highest daily maximum	242
Lowest daily maximum	87
Highest daily minimum	285
Lowest daily minimum	52
Heaviest daily rainfall	280
Heaviest daily snowfall	2
Deepest snow cover	10

Records on 12 May 2015 by timescale: all-time 0, monthly 10, daily 948.

How Much Records Were Beaten By

760 broken records

Margins by which the 760 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 300.0. Ties are not counted.

Top 20 by Significance

12 May 2015

Top 20 records on 12 May 2015 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 2015	Robstown, US	daily rain	135.9 mm (5.4 in)	78.7 mm (3.1 in)	86 years	74 of 100 (Major)
12 May 2015	Rio Grande City, US	daily rain	127.0 mm (5.0 in)	78.7 mm (3.1 in)	26 years	58 of 100 (Notable)
12 May 2015	Halepohaku 111, US	daily rain	38.1 mm (1.5 in)	34.3 mm (1.4 in)	42 years	58 of 100 (Notable)
12 May 2015	Hot Springs, US	daily rain	65.0 mm (2.6 in)	36.8 mm (1.4 in)	48 years	56 of 100 (Notable)
12 May 2015	Falfurrias, US	daily rain	86.4 mm (3.4 in)	41.9 mm (1.6 in)	64 years	51 of 100 (Notable)
12 May 2015	Welder Wildlife Foundation, US	daily rain	99.8 mm (3.9 in)	68.8 mm (2.7 in)	46 years	51 of 100 (Notable)
12 May 2015	Pamban, IN	daily rain	39.1 mm (1.5 in)	22.8 mm (0.9 in)	85 years	49 of 100 (Notable)
12 May 2015	Amherst, US	daily high min	19.4 C (66.9 F)	3.8 C (6.8 F)	104 years	48 of 100 (Notable)
12 May 2015	Mason City, US	daily low min	-5.6 C (21.9 F)	3.9 C (7.0 F)	119 years	48 of 100 (Notable)
12 May 2015	Midland 4 ENE, US	daily rain	34.3 mm (1.4 in)	14.0 mm (0.6 in)	117 years	48 of 100 (Notable)
12 May 2015	Scipio, US	daily high min	15.0 C (59.0 F)	3.9 C (7.0 F)	100 years	48 of 100 (Notable)
12 May 2015	Piedras Negras (Obs), MX	daily rain	109.7 mm (4.3 in)	70.6 mm (2.8 in)	14 years	47 of 100 (Notable)
12 May 2015	Manati 2 E, PR	daily low min	16.7 C (62.1 F)	1.1 C (2.0 F)	108 years	47 of 100 (Notable)
12 May 2015	Hebbronville, US	daily rain	117.6 mm (4.6 in)	38.4 mm (1.5 in)	64 years	47 of 100 (Notable)
12 May 2015	Renison Bell, AU	daily rain	69.4 mm (2.7 in)	9.7 mm (0.38 in)	92 years	46 of 100 (Notable)
12 May 2015	Berge, DE	daily rain	27.4 mm (1.1 in)	19.3 mm (0.8 in)	12 years	46 of 100 (Notable)
12 May 2015	Litchville 2NW, US	monthly snowfall	10.2 cm (4.0 in)	6.4 cm (2.5 in)	61 years	46 of 100 (Notable)
12 May 2015	Hawi 168, US	daily rain	51.3 mm (2.0 in)	21.8 mm (0.9 in)	20 years	46 of 100 (Notable)
12 May 2015	Old Forge, US	daily high min	16.1 C (61.0 F)	2.8 C (5.0 F)	104 years	45 of 100 (Notable)
12 May 2015	Storrs, US	daily high min	18.3 C (64.9 F)	1.6 C (2.9 F)	106 years	44 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 2015

Records set or tied on this calendar date in each year from 1814 to 2015. 2015 had 958 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 2015-05-12: 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 2026-10-17 (17 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	747
50 to 100	10
100 to 150	2
150 to 200	0
200 to 250	0
250 to 300	1