Weather Records on 12 May 1943

803 weather records were set or tied worldwide on 12 May 1943. Highest significance: Likatlong, ZA.

Key Facts for 12 May 1943

On 12 May 1943, 803 weather records were set or tied at long-record stations worldwide.
68 were record highs and 390 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 43 monthly and 760 daily.
Likatlong set a monthly record daily precipitation of 44.7 mm (1.8 in) on 12 May 1943.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 451 records.

Record Map

803 stations

803 station records on 12 May 1943 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1943: highest significance records shown on the map
Station	Country	Type	Value	Significance
Likatlong	South Africa	Record daily precipitation	44.7 mm (1.8 in)	55 of 100 (Notable)
Ogdensburg 4 NE	United States	Record daily precipitation	48.8 mm (1.9 in)	55 of 100 (Notable)
Manamathurai	India	Record daily precipitation	78.7 mm (3.1 in)	53 of 100 (Notable)
Mazelspoort Dam	South Africa	Record daily precipitation	48.8 mm (1.9 in)	53 of 100 (Notable)
Mayuram	India	Record daily precipitation	246.1 mm (9.7 in)	52 of 100 (Notable)
Woodstock	United States	Record daily precipitation	86.6 mm (3.4 in)	52 of 100 (Notable)
Fallston	United States	Record daily precipitation	80.0 mm (3.1 in)	51 of 100 (Notable)
Bloemfontein Airpor	South Africa	Record daily precipitation	51.8 mm (2.0 in)	50 of 100 (Notable)
W Chester 2 NW	United States	Record daily precipitation	78.0 mm (3.1 in)	49 of 100 (Notable)
Milstead	United States	Record daily precipitation	66.3 mm (2.6 in)	48 of 100 (Notable)
Waverley	South Africa	Record daily precipitation	48.8 mm (1.9 in)	47 of 100 (Notable)
Zastron (Tnk)	South Africa	Record daily precipitation	85.1 mm (3.4 in)	47 of 100 (Notable)
Altamura	South Africa	Record daily precipitation	30.5 mm (1.2 in)	47 of 100 (Notable)
Rocklands	South Africa	Record daily precipitation	45.7 mm (1.8 in)	45 of 100 (Notable)
Ficksburg	South Africa	Record daily precipitation	30.5 mm (1.2 in)	45 of 100 (Notable)
Barduar	India	Record daily precipitation	104.6 mm (4.1 in)	43 of 100 (Notable)
Mercanam	India	Record daily precipitation	52.6 mm (2.1 in)	43 of 100 (Notable)
Tarkastad (Pol)	South Africa	Record daily precipitation	47.0 mm (1.9 in)	43 of 100 (Notable)
Kirklington	South Africa	Record daily precipitation	29.0 mm (1.1 in)	43 of 100 (Notable)
Paris	Canada	Record daily precipitation	28.4 mm (1.1 in)	42 of 100 (Notable)
Nappan Cda	Canada	Record daily precipitation	31.0 mm (1.2 in)	42 of 100 (Notable)
Bardstown	United States	Record daily precipitation	51.3 mm (2.0 in)	42 of 100 (Notable)
Nieuwejaarsfontein	South Africa	Record daily precipitation	47.5 mm (1.9 in)	41 of 100 (Notable)
Auburn	United States	Record daily precipitation	59.9 mm (2.4 in)	41 of 100 (Notable)
Bar Harbor 3 NW	United States	Record daily precipitation	31.8 mm (1.3 in)	40 of 100 (Notable)
Morrisburg	Canada	Record daily precipitation	55.4 mm (2.2 in)	39 of 100 (Notable)
Digby	Canada	Record daily precipitation	40.4 mm (1.6 in)	39 of 100 (Notable)
Brandfort (Mag)	South Africa	Record daily precipitation	35.8 mm (1.4 in)	39 of 100 (Notable)
Lambertina	South Africa	Record daily precipitation	48.3 mm (1.9 in)	39 of 100 (Notable)
Ventersburg (Mag)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	38 of 100 (Notable)
Bainbridge	United States	Record daily precipitation	64.3 mm (2.5 in)	38 of 100 (Notable)
Lady Grey (Pol)	South Africa	Record daily precipitation	71.4 mm (2.8 in)	37 of 100 (Notable)
Yates Hydro Plt	United States	Record daily precipitation	52.1 mm (2.1 in)	37 of 100 (Notable)
High Brg Lock 7	United States	Record daily precipitation	42.7 mm (1.7 in)	37 of 100 (Notable)
Hancock	United States	Record daily precipitation	36.6 mm (1.4 in)	37 of 100 (Notable)
Plymouth	United States	Record daily precipitation	41.7 mm (1.6 in)	37 of 100 (Notable)
Merriwa (Merry Vale)	Australia	Record daily precipitation	32.0 mm (1.3 in)	36 of 100 (Notable)
Annavasal	India	Record daily precipitation	64.8 mm (2.6 in)	36 of 100 (Notable)
Lake Placid 2 S	United States	Record daily precipitation	32.5 mm (1.3 in)	36 of 100 (Notable)
Kulasekarapatnam	India	Record daily precipitation	37.6 mm (1.5 in)	35 of 100 (Notable)
Madison	United States	Record daily precipitation	53.8 mm (2.1 in)	35 of 100 (Notable)
North Bridgton	United States	Record daily precipitation	40.6 mm (1.6 in)	35 of 100 (Notable)
Middleboro	United States	Record daily precipitation	37.3 mm (1.5 in)	35 of 100 (Notable)
Bloomfield	United States	Record daily precipitation	28.2 mm (1.1 in)	35 of 100 (Notable)
Cavendish	United States	Record daily precipitation	37.1 mm (1.5 in)	35 of 100 (Notable)
Nilakottai	India	Record daily precipitation	55.9 mm (2.2 in)	34 of 100 (Routine)
Sivaganga	India	Record daily precipitation	71.1 mm (2.8 in)	34 of 100 (Routine)
Belhaven 1 SE	United States	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Doylestown	United States	Record daily precipitation	46.7 mm (1.8 in)	34 of 100 (Routine)
Nord-Rana	Norway	Record daily precipitation	32.9 mm (1.3 in)	33 of 100 (Routine)
Philippolis (Pol)	South Africa	Record daily precipitation	41.9 mm (1.6 in)	33 of 100 (Routine)
Wanakena Rngr School	United States	Record daily precipitation	31.0 mm (1.2 in)	33 of 100 (Routine)
Newark Liberty Intl AP	United States	Record daily precipitation	64.5 mm (2.5 in)	33 of 100 (Routine)
Gardiner	United States	Record daily precipitation	37.6 mm (1.5 in)	32 of 100 (Routine)
Roebling	United States	Record daily precipitation	35.1 mm (1.4 in)	32 of 100 (Routine)
Camp Crook	United States	Record low minimum temperature	-15.6 C (3.9 F)	32 of 100 (Routine)
Hillside	South Africa	Record daily precipitation	44.5 mm (1.8 in)	31 of 100 (Routine)
Hartington	United States	Record daily snowfall	6.4 cm (2.5 in)	31 of 100 (Routine)
Saint Johnsbury	United States	Record daily precipitation	41.9 mm (1.6 in)	31 of 100 (Routine)
Usilampatti	India	Record daily precipitation	68.8 mm (2.7 in)	30 of 100 (Routine)

Counts by Type and Timescale

803 records

Records set or tied on 12 May 1943 by type: Highest daily maximum 27, Lowest daily maximum 175, Highest daily minimum 41, Lowest daily minimum 215, Heaviest daily rainfall 322, Heaviest daily snowfall 22, Deepest snow cover 1.

Records on 12 May 1943 by type
Record type	Records
Highest daily maximum	27
Lowest daily maximum	175
Highest daily minimum	41
Lowest daily minimum	215
Heaviest daily rainfall	322
Heaviest daily snowfall	22
Deepest snow cover	1

Records on 12 May 1943 by timescale: all-time 0, monthly 43, daily 760.

How Much Records Were Beaten By

698 broken records

Margins by which the 698 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 83.5. Ties are not counted.

Top 20 by Significance

12 May 1943

Top 20 records on 12 May 1943 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1943	Likatlong, ZA	monthly rain	44.7 mm (1.8 in)	24.6 mm (1.0 in)	8 years	55 of 100 (Notable)
12 May 1943	Ogdensburg 4 NE, US	daily rain	48.8 mm (1.9 in)	29.5 mm (1.2 in)	47 years	55 of 100 (Notable)
12 May 1943	Manamathurai, IN	daily rain	78.7 mm (3.1 in)	67.8 mm (2.7 in)	30 years	53 of 100 (Notable)
12 May 1943	Mazelspoort Dam, ZA	monthly rain	48.8 mm (1.9 in)	17.0 mm (0.7 in)	33 years	53 of 100 (Notable)
12 May 1943	Mayuram, IN	monthly rain	246.1 mm (9.7 in)	83.5 mm (3.3 in)	13 years	52 of 100 (Notable)
12 May 1943	Woodstock, US	monthly rain	86.6 mm (3.4 in)	23.1 mm (0.9 in)	50 years	52 of 100 (Notable)
12 May 1943	Fallston, US	daily rain	80.0 mm (3.1 in)	34.3 mm (1.4 in)	45 years	51 of 100 (Notable)
12 May 1943	Bloemfontein Airpor, ZA	monthly rain	51.8 mm (2.0 in)	19.3 mm (0.8 in)	33 years	50 of 100 (Notable)
12 May 1943	W Chester 2 NW, US	daily rain	78.0 mm (3.1 in)	54.4 mm (2.1 in)	18 years	49 of 100 (Notable)
12 May 1943	Milstead, US	daily rain	66.3 mm (2.6 in)	40.9 mm (1.6 in)	40 years	48 of 100 (Notable)
12 May 1943	Waverley, ZA	daily rain	48.8 mm (1.9 in)	27.7 mm (1.1 in)	8 years	47 of 100 (Notable)
12 May 1943	Zastron (Tnk), ZA	monthly rain	85.1 mm (3.4 in)	27.9 mm (1.1 in)	0 years	47 of 100 (Notable)
12 May 1943	Altamura, ZA	daily rain	30.5 mm (1.2 in)	26.7 mm (1.1 in)	20 years	47 of 100 (Notable)
12 May 1943	Rocklands, ZA	monthly rain	45.7 mm (1.8 in)	11.2 mm (0.4 in)	39 years	45 of 100 (Notable)
12 May 1943	Ficksburg, ZA	daily rain	30.5 mm (1.2 in)	26.7 mm (1.1 in)	8 years	45 of 100 (Notable)
12 May 1943	Barduar, IN	daily rain	104.6 mm (4.1 in)	67.0 mm (2.6 in)	28 years	43 of 100 (Notable)
12 May 1943	Mercanam, IN	daily rain	52.6 mm (2.1 in)	52.6 mm (2.1 in)	41 years	43 of 100 (Notable)
12 May 1943	Tarkastad (Pol), ZA	daily rain	47.0 mm (1.9 in)	25.4 mm (1.0 in)	8 years	43 of 100 (Notable)
12 May 1943	Kirklington, ZA	daily rain	29.0 mm (1.1 in)	23.9 mm (0.9 in)	20 years	43 of 100 (Notable)
12 May 1943	Paris, CA	daily rain	28.4 mm (1.1 in)	21.5 mm (0.8 in)	47 years	42 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 1943

Records set or tied on this calendar date in each year from 1814 to 1943. 1943 had 803 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 1943-05-12: 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	621
20 to 40	62
40 to 60	11
60 to 80	3
80 to 100	1