Weather Records on 12 May 1958

714 weather records were set or tied worldwide on 12 May 1958. Highest significance: Fortine 1 N, US.

Key Facts for 12 May 1958

On 12 May 1958, 714 weather records were set or tied at long-record stations worldwide.
367 were record highs and 67 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 24 monthly and 689 daily.
Fortine 1 N set a daily record precipitation of 35.6 mm (1.4 in) on 12 May 1958.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 451 records.

Record Map

714 stations

714 station records on 12 May 1958 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1958: highest significance records shown on the map
Station	Country	Type	Value	Significance
Fortine 1 N	United States	Record daily precipitation	35.6 mm (1.4 in)	60 of 100 (Major)
Westhaven	United States	Record daily precipitation	36.8 mm (1.4 in)	55 of 100 (Notable)
Perumpavur	India	Record daily precipitation	193.0 mm (7.6 in)	53 of 100 (Notable)
Cut Bank AP	United States	Record daily precipitation	34.8 mm (1.4 in)	52 of 100 (Notable)
Superior	United States	Record daily precipitation	33.3 mm (1.3 in)	51 of 100 (Notable)
Macklin	Canada	Record daily precipitation	34.3 mm (1.4 in)	50 of 100 (Notable)
Mariposa	United States	Record daily precipitation	34.5 mm (1.4 in)	50 of 100 (Notable)
Mbarara	Uganda	Record daily precipitation	91.7 mm (3.6 in)	49 of 100 (Notable)
Natal	Brazil	Record daily precipitation	105.5 mm (4.2 in)	48 of 100 (Notable)
Polson	United States	Record daily precipitation	45.7 mm (1.8 in)	47 of 100 (Notable)
Weiser	United States	Record daily precipitation	31.5 mm (1.2 in)	46 of 100 (Notable)
Saint Ignatius	United States	Record daily precipitation	40.6 mm (1.6 in)	44 of 100 (Notable)
Kuna	United States	Record daily precipitation	37.6 mm (1.5 in)	43 of 100 (Notable)
Conrad	United States	Record daily precipitation	26.9 mm (1.1 in)	42 of 100 (Notable)
Bhagwanpur	India	Record daily precipitation	61.0 mm (2.4 in)	41 of 100 (Notable)
Union Valley	United States	Record daily precipitation	54.9 mm (2.2 in)	41 of 100 (Notable)
Carway	Canada	Record daily precipitation	35.3 mm (1.4 in)	40 of 100 (Notable)
Caldwell	United States	Record daily precipitation	27.9 mm (1.1 in)	40 of 100 (Notable)
Browning	United States	Record daily precipitation	35.3 mm (1.4 in)	40 of 100 (Notable)
Gauhati Obsy	India	Record daily precipitation	88.4 mm (3.5 in)	38 of 100 (Notable)
Halflong Obsy	India	Record daily precipitation	151.9 mm (6.0 in)	38 of 100 (Notable)
Hailey 3 NNW	United States	Record daily precipitation	40.6 mm (1.6 in)	38 of 100 (Notable)
Valier	United States	Record daily precipitation	30.7 mm (1.2 in)	38 of 100 (Notable)
St Walburg	Canada	Record daily precipitation	38.9 mm (1.5 in)	36 of 100 (Notable)
Wibaux 2 E	United States	Record high minimum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Russell	Canada	Record high minimum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Ash Mtn	United States	Record daily precipitation	33.8 mm (1.3 in)	35 of 100 (Notable)
Hill City 1 W	United States	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Piripiri	Brazil	Record daily precipitation	58.0 mm (2.3 in)	34 of 100 (Routine)
Mukundapuram	India	Record daily precipitation	106.7 mm (4.2 in)	34 of 100 (Routine)
Cornucopia	United States	Record daily snowfall	7.6 cm (3.0 in)	34 of 100 (Routine)
Balwyn North	Australia	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Sao Joao Do Cariri	Brazil	Record daily precipitation	58.0 mm (2.3 in)	33 of 100 (Routine)
Marayur	India	Record daily precipitation	43.2 mm (1.7 in)	33 of 100 (Routine)
Kisinev	Moldova	Record high minimum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Giant Forest	United States	Record daily precipitation	43.9 mm (1.7 in)	33 of 100 (Routine)
Perinthalamanna	India	Record daily precipitation	74.2 mm (2.9 in)	32 of 100 (Routine)
Cambridge	United States	Record daily precipitation	31.8 mm (1.3 in)	32 of 100 (Routine)
Dawson	United States	Record daily precipitation	32.3 mm (1.3 in)	32 of 100 (Routine)
Richland	United States	Record daily precipitation	34.3 mm (1.4 in)	32 of 100 (Routine)
Fazenda Jardim	Brazil	Record daily precipitation	53.0 mm (2.1 in)	31 of 100 (Routine)
Parur	India	Record daily precipitation	84.3 mm (3.3 in)	30 of 100 (Routine)
Belle Glade	United States	Record daily precipitation	61.0 mm (2.4 in)	30 of 100 (Routine)
Parma Exp STN	United States	Record daily precipitation	36.8 mm (1.4 in)	30 of 100 (Routine)
Babb 6 NE	United States	Record daily precipitation	38.9 mm (1.5 in)	30 of 100 (Routine)
Saskatoon Diefenbaker Int'l A	Canada	Record high maximum temperature	33.3 C (91.9 F)	29 of 100 (Routine)
Cherapalaseri	India	Record daily precipitation	74.9 mm (2.9 in)	29 of 100 (Routine)
Buzau	Romania	Record high minimum temperature	18.1 C (64.6 F)	29 of 100 (Routine)
Fitzgerald	United States	Record daily precipitation	41.1 mm (1.6 in)	29 of 100 (Routine)
Aberdeen	United States	Record high minimum temperature	17.2 C (63.0 F)	29 of 100 (Routine)
Debrecen Airport	Hungary	Record high minimum temperature	16.8 C (62.2 F)	28 of 100 (Routine)
Lakin	United States	Record high minimum temperature	17.8 C (64.0 F)	28 of 100 (Routine)
Boqueirao Pedras Brancas	Brazil	Record daily precipitation	60.2 mm (2.4 in)	27 of 100 (Routine)
Zagreb-Gric	Croatia	Record high minimum temperature	17.3 C (63.1 F)	27 of 100 (Routine)
Cannanore	India	Record daily precipitation	74.2 mm (2.9 in)	27 of 100 (Routine)
Malayattur	India	Record daily precipitation	198.6 mm (7.8 in)	27 of 100 (Routine)
Jerome	United States	Record daily precipitation	26.2 mm (1.0 in)	27 of 100 (Routine)
Medicine Lake 3 SE	United States	Record high minimum temperature	19.4 C (66.9 F)	27 of 100 (Routine)
Mohall	United States	Record high minimum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Graz	Austria	Record high minimum temperature	17.0 C (62.6 F)	26 of 100 (Routine)

Counts by Type and Timescale

714 records

Records set or tied on 12 May 1958 by type: Highest daily maximum 138, Lowest daily maximum 51, Highest daily minimum 229, Lowest daily minimum 16, Heaviest daily rainfall 275, Heaviest daily snowfall 5.

Records on 12 May 1958 by type
Record type	Records
Highest daily maximum	138
Lowest daily maximum	51
Highest daily minimum	229
Lowest daily minimum	16
Heaviest daily rainfall	275
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 12 May 1958 by timescale: all-time 1, monthly 24, daily 689.

How Much Records Were Beaten By

613 broken records

Margins by which the 613 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 107.9. Ties are not counted.

Top 20 by Significance

12 May 1958

Top 20 records on 12 May 1958 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1958	Fortine 1 N, US	daily rain	35.6 mm (1.4 in)	27.5 mm (1.1 in)	52 years	60 of 100 (Major)
12 May 1958	Westhaven, US	monthly rain	36.8 mm (1.4 in)	17.7 mm (0.7 in)	8 years	55 of 100 (Notable)
12 May 1958	Perumpavur, IN	daily rain	193.0 mm (7.6 in)	107.9 mm (4.2 in)	31 years	53 of 100 (Notable)
12 May 1958	Cut Bank AP, US	daily rain	34.8 mm (1.4 in)	27.2 mm (1.1 in)	29 years	52 of 100 (Notable)
12 May 1958	Superior, US	daily rain	33.3 mm (1.3 in)	20.6 mm (0.8 in)	41 years	51 of 100 (Notable)
12 May 1958	Macklin, CA	daily rain	34.3 mm (1.4 in)	23.6 mm (0.9 in)	23 years	50 of 100 (Notable)
12 May 1958	Mariposa, US	daily rain	34.5 mm (1.4 in)	28.7 mm (1.1 in)	43 years	50 of 100 (Notable)
12 May 1958	Mbarara, UG	daily rain	91.7 mm (3.6 in)	63.8 mm (2.5 in)	23 years	49 of 100 (Notable)
12 May 1958	Natal, BR	daily rain	105.5 mm (4.2 in)	83.8 mm (3.3 in)	17 years	48 of 100 (Notable)
12 May 1958	Polson, US	daily rain	45.7 mm (1.8 in)	26.9 mm (1.1 in)	7 years	47 of 100 (Notable)
12 May 1958	Weiser, US	monthly rain	31.5 mm (1.2 in)	9.1 mm (0.36 in)	32 years	46 of 100 (Notable)
12 May 1958	Saint Ignatius, US	daily rain	40.6 mm (1.6 in)	21.5 mm (0.8 in)	7 years	44 of 100 (Notable)
12 May 1958	Kuna, US	daily rain	37.6 mm (1.5 in)	22.1 mm (0.9 in)	11 years	43 of 100 (Notable)
12 May 1958	Conrad, US	daily rain	26.9 mm (1.1 in)	23.1 mm (0.9 in)	16 years	42 of 100 (Notable)
12 May 1958	Bhagwanpur, IN	daily rain	61.0 mm (2.4 in)	48.3 mm (1.9 in)	44 years	41 of 100 (Notable)
12 May 1958	Union Valley, US	daily rain	54.9 mm (2.2 in)	33.3 mm (1.3 in)	28 years	41 of 100 (Notable)
12 May 1958	Carway, CA	daily rain	35.3 mm (1.4 in)	26.4 mm (1.0 in)	12 years	40 of 100 (Notable)
12 May 1958	Caldwell, US	daily rain	27.9 mm (1.1 in)	16.2 mm (0.6 in)	12 years	40 of 100 (Notable)
12 May 1958	Browning, US	daily rain	35.3 mm (1.4 in)	16.0 mm (0.6 in)	57 years	40 of 100 (Notable)
12 May 1958	Gauhati Obsy, IN	daily rain	88.4 mm (3.5 in)	45.0 mm (1.8 in)	16 years	38 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 1958

Records set or tied on this calendar date in each year from 1814 to 1958. 1958 had 714 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 1958-05-12: 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 20	568
20 to 40	35
40 to 60	5
60 to 80	2
80 to 100	2
100 to 120	1