Weather Records on 12 May 1946

653 weather records were set or tied worldwide on 12 May 1946. Highest significance: Sarmera, IN.

Key Facts for 12 May 1946

On 12 May 1946, 653 weather records were set or tied at long-record stations worldwide.
35 were record highs and 447 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 25 monthly and 628 daily.
Sarmera set a daily record precipitation of 40.6 mm (1.6 in) on 12 May 1946.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 451 records.

Record Map

653 stations

653 station records on 12 May 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sarmera	India	Record daily precipitation	40.6 mm (1.6 in)	52 of 100 (Notable)
Rafiganj	India	Record daily precipitation	40.9 mm (1.6 in)	50 of 100 (Notable)
Gonda	India	Record daily precipitation	53.1 mm (2.1 in)	47 of 100 (Notable)
Katra	India	Record daily precipitation	81.3 mm (3.2 in)	43 of 100 (Notable)
Cheboygan	United States	Record daily snowfall	10.7 cm (4.2 in)	39 of 100 (Notable)
Monticello	United States	Record daily precipitation	65.8 mm (2.6 in)	38 of 100 (Notable)
Kaiserganj	India	Record daily precipitation	31.2 mm (1.2 in)	37 of 100 (Notable)
Cinclare	United States	Record daily precipitation	73.2 mm (2.9 in)	36 of 100 (Notable)
Paterson	United States	Record daily precipitation	68.1 mm (2.7 in)	36 of 100 (Notable)
Gaya	India	Record daily precipitation	40.6 mm (1.6 in)	34 of 100 (Routine)
Shahganj	India	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Telluride 4WNW	United States	Record daily precipitation	28.4 mm (1.1 in)	31 of 100 (Routine)
Long Prairie	United States	Record low minimum temperature	-9.4 C (15.1 F)	31 of 100 (Routine)
Clinton Forestry HQ	United States	Record daily precipitation	62.2 mm (2.4 in)	30 of 100 (Routine)
Charleston	United States	Record daily precipitation	35.6 mm (1.4 in)	30 of 100 (Routine)
Donaldsonville 4 SW	United States	Record daily precipitation	57.2 mm (2.3 in)	29 of 100 (Routine)
Maple Plain	United States	Record low minimum temperature	-6.1 C (21.0 F)	29 of 100 (Routine)
Antigo	United States	Record daily snowfall	5.1 cm (2.0 in)	29 of 100 (Routine)
Pearlington	United States	Record daily precipitation	86.4 mm (3.4 in)	28 of 100 (Routine)
Bryson City 2	United States	Record daily precipitation	36.8 mm (1.4 in)	28 of 100 (Routine)
Waynesville 1 E	United States	Record daily precipitation	30.2 mm (1.2 in)	28 of 100 (Routine)
Albany	United States	Record low maximum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Stanley Wwtp	United States	Record daily snowfall	6.1 cm (2.4 in)	28 of 100 (Routine)
Park Rapids Muni AP	United States	Record low minimum temperature	-9.4 C (15.1 F)	28 of 100 (Routine)
Khutar	India	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Whitefish Pt	United States	Record daily snowfall	5.1 cm (2.0 in)	27 of 100 (Routine)
Castlewood	United States	Record low minimum temperature	-10.0 C (14.0 F)	27 of 100 (Routine)
Forestburg 4 NNE	United States	Record low minimum temperature	-7.8 C (18.0 F)	27 of 100 (Routine)
Howard	United States	Record low minimum temperature	-8.9 C (16.0 F)	27 of 100 (Routine)
Eau Claire	United States	Record daily snowfall	5.1 cm (2.0 in)	27 of 100 (Routine)
New Orleans Audubon	United States	Record daily precipitation	66.0 mm (2.6 in)	27 of 100 (Routine)
The Pas	Canada	Record daily snowfall	11.4 cm (4.5 in)	26 of 100 (Routine)
Baramba	India	Record daily precipitation	45.7 mm (1.8 in)	26 of 100 (Routine)
Covington 8 WNW	United States	Record daily precipitation	59.7 mm (2.4 in)	26 of 100 (Routine)
Hallock	United States	Record low minimum temperature	-11.7 C (10.9 F)	26 of 100 (Routine)
Alexandria	United States	Record low minimum temperature	-5.6 C (21.9 F)	26 of 100 (Routine)
Menno	United States	Record low minimum temperature	-5.6 C (21.9 F)	26 of 100 (Routine)
Haskell	United States	Record low minimum temperature	5.0 C (41.0 F)	26 of 100 (Routine)
Marshall	United States	Record daily precipitation	42.4 mm (1.7 in)	26 of 100 (Routine)
Dhanaha	India	Record daily precipitation	43.7 mm (1.7 in)	25 of 100 (Routine)
Bay Saint Louis	United States	Record daily precipitation	68.3 mm (2.7 in)	25 of 100 (Routine)
Chama	United States	Record daily snowfall	5.1 cm (2.0 in)	25 of 100 (Routine)
Frederick	United States	Record low maximum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Marion	United States	Record low minimum temperature	-6.7 C (19.9 F)	25 of 100 (Routine)
Cameron	United States	Record low maximum temperature	18.3 C (64.9 F)	25 of 100 (Routine)
Jefferson	United States	Record daily precipitation	48.3 mm (1.9 in)	25 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record low minimum temperature	0.0 C (32.0 F)	25 of 100 (Routine)
Glenwood 3SW	United States	Record low minimum temperature	-1.1 C (30.0 F)	24 of 100 (Routine)
Rock Rapids	United States	Record low minimum temperature	-4.4 C (24.1 F)	24 of 100 (Routine)
Independence	United States	Record low minimum temperature	1.1 C (34.0 F)	24 of 100 (Routine)
Mt Sterling	United States	Record high minimum temperature	19.4 C (66.9 F)	24 of 100 (Routine)
Willmar Wwtp	United States	Record low minimum temperature	-4.4 C (24.1 F)	24 of 100 (Routine)
Jersey City	United States	Record daily precipitation	42.7 mm (1.7 in)	24 of 100 (Routine)
Jamestown State Hosp	United States	Record low minimum temperature	-11.1 C (12.0 F)	24 of 100 (Routine)
Mitchell 2 N	United States	Record low minimum temperature	-6.7 C (19.9 F)	24 of 100 (Routine)
Haskell	United States	Record low maximum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Marshfield Exp Farm	United States	Record daily snowfall	6.4 cm (2.5 in)	24 of 100 (Routine)
Bathurst Gaol	Australia	Record high maximum temperature	23.3 C (73.9 F)	23 of 100 (Routine)
Seven Persons	Canada	Record daily snowfall	7.6 cm (3.0 in)	23 of 100 (Routine)
Barchana	India	Record daily precipitation	101.1 mm (4.0 in)	23 of 100 (Routine)

Counts by Type and Timescale

653 records

Records set or tied on 12 May 1946 by type: Highest daily maximum 9, Lowest daily maximum 92, Highest daily minimum 26, Lowest daily minimum 355, Heaviest daily rainfall 147, Heaviest daily snowfall 23, Deepest snow cover 1.

Records on 12 May 1946 by type
Record type	Records
Highest daily maximum	9
Lowest daily maximum	92
Highest daily minimum	26
Lowest daily minimum	355
Heaviest daily rainfall	147
Heaviest daily snowfall	23
Deepest snow cover	1

Records on 12 May 1946 by timescale: all-time 0, monthly 25, daily 628.

How Much Records Were Beaten By

531 broken records

Margins by which the 531 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 107.0. Ties are not counted.

Top 20 by Significance

12 May 1946

Top 20 records on 12 May 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1946	Sarmera, IN	daily rain	40.6 mm (1.6 in)	40.6 mm (1.6 in)	32 years	52 of 100 (Notable)
12 May 1946	Rafiganj, IN	daily rain	40.9 mm (1.6 in)	39.6 mm (1.6 in)	28 years	50 of 100 (Notable)
12 May 1946	Gonda, IN	daily rain	53.1 mm (2.1 in)	33.8 mm (1.3 in)	44 years	47 of 100 (Notable)
12 May 1946	Katra, IN	daily rain	81.3 mm (3.2 in)	55.9 mm (2.2 in)	23 years	43 of 100 (Notable)
12 May 1946	Cheboygan, US	daily snowfall	10.7 cm (4.2 in)	10.7 cm (4.2 in)	45 years	39 of 100 (Notable)
12 May 1946	Monticello, US	daily rain	65.8 mm (2.6 in)	57.4 mm (2.3 in)	19 years	38 of 100 (Notable)
12 May 1946	Kaiserganj, IN	daily rain	31.2 mm (1.2 in)	21.0 mm (0.8 in)	44 years	37 of 100 (Notable)
12 May 1946	Cinclare, US	daily rain	73.2 mm (2.9 in)	60.0 mm (2.4 in)	16 years	36 of 100 (Notable)
12 May 1946	Paterson, US	daily rain	68.1 mm (2.7 in)	18.8 mm (0.7 in)	48 years	36 of 100 (Notable)
12 May 1946	Gaya, IN	daily rain	40.6 mm (1.6 in)	20.0 mm (0.8 in)	41 years	34 of 100 (Routine)
12 May 1946	Shahganj, IN	monthly rain	30.5 mm (1.2 in)	5.6 mm (0.22 in)	40 years	34 of 100 (Routine)
12 May 1946	Telluride 4WNW, US	daily rain	28.4 mm (1.1 in)	15.7 mm (0.6 in)	11 years	31 of 100 (Routine)
12 May 1946	Long Prairie, US	daily low min	-9.4 C (15.1 F)	6.1 C (11.0 F)	50 years	31 of 100 (Routine)
12 May 1946	Clinton Forestry HQ, US	daily rain	62.2 mm (2.4 in)	42.6 mm (1.7 in)	27 years	30 of 100 (Routine)
12 May 1946	Charleston, US	daily rain	35.6 mm (1.4 in)	22.9 mm (0.9 in)	20 years	30 of 100 (Routine)
12 May 1946	Donaldsonville 4 SW, US	daily rain	57.2 mm (2.3 in)	42.0 mm (1.7 in)	16 years	29 of 100 (Routine)
12 May 1946	Maple Plain, US	daily low min	-6.1 C (21.0 F)	5.0 C (9.0 F)	50 years	29 of 100 (Routine)
12 May 1946	Antigo, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	48 years	29 of 100 (Routine)
12 May 1946	Pearlington, US	daily rain	86.4 mm (3.4 in)	58.5 mm (2.3 in)	4 years	28 of 100 (Routine)
12 May 1946	Bryson City 2, US	daily rain	36.8 mm (1.4 in)	15.2 mm (0.6 in)	28 years	28 of 100 (Routine)

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 1946

Records set or tied on this calendar date in each year from 1814 to 1946. 1946 had 653 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 1946-05-12: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	488
20 to 40	27
40 to 60	10
60 to 80	5
80 to 100	0
100 to 120	1