Weather Records on 12 May 1944

368 weather records were set or tied worldwide on 12 May 1944. Highest significance: Uniondale (Tnk), ZA.

Key Facts for 12 May 1944

On 12 May 1944, 368 weather records were set or tied at long-record stations worldwide.
238 were record highs and 24 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 367 daily.
Uniondale (Tnk) set a daily record precipitation of 53.3 mm (2.1 in) on 12 May 1944.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 453 records.

Record Map

368 stations

368 station records on 12 May 1944 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1944: highest significance records shown on the map
Station	Country	Type	Value	Significance
Uniondale (Tnk)	South Africa	Record daily precipitation	53.3 mm (2.1 in)	57 of 100 (Notable)
Norfolk	United States	Record daily precipitation	73.9 mm (2.9 in)	52 of 100 (Notable)
Moorhead St Teachers C	United States	Record daily precipitation	50.3 mm (2.0 in)	50 of 100 (Notable)
Sibley	United States	Record daily precipitation	50.8 mm (2.0 in)	49 of 100 (Notable)
Camocim	Brazil	Record daily precipitation	94.3 mm (3.7 in)	48 of 100 (Notable)
Briksdal	Norway	Record daily precipitation	31.8 mm (1.3 in)	47 of 100 (Notable)
Buffelsnek (Bos)	South Africa	Record daily precipitation	85.9 mm (3.4 in)	47 of 100 (Notable)
Dodge City	United States	Record daily precipitation	46.7 mm (1.8 in)	45 of 100 (Notable)
Menasha	United States	Record daily precipitation	52.1 mm (2.1 in)	42 of 100 (Notable)
Iroquois Falls	Canada	Record daily precipitation	35.1 mm (1.4 in)	41 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record low maximum temperature	22.2 C (72.0 F)	41 of 100 (Notable)
San German 4 W	Puerto Rico [United States]	Record low maximum temperature	26.7 C (80.1 F)	39 of 100 (Notable)
Hankey (Pol)	South Africa	Record daily precipitation	42.7 mm (1.7 in)	38 of 100 (Notable)
Iron River	United States	Record daily precipitation	52.6 mm (2.1 in)	38 of 100 (Notable)
Mc Leod 3 E	United States	Record daily precipitation	44.7 mm (1.8 in)	35 of 100 (Notable)
Buffelsklip	South Africa	Record daily precipitation	75.7 mm (3.0 in)	34 of 100 (Routine)
Alton	United States	Record daily precipitation	48.8 mm (1.9 in)	34 of 100 (Routine)
Fosston 1 E	United States	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Lisbon	United States	Record daily precipitation	37.8 mm (1.5 in)	33 of 100 (Routine)
Humansdorp (Pol)	South Africa	Record daily precipitation	52.8 mm (2.1 in)	32 of 100 (Routine)
Afton	United States	Record high minimum temperature	20.6 C (69.1 F)	32 of 100 (Routine)
Elgin	United States	Record daily precipitation	49.5 mm (1.9 in)	32 of 100 (Routine)
Itasca UNIV of Minn	United States	Record daily precipitation	46.2 mm (1.8 in)	31 of 100 (Routine)
Cochrane	Canada	Record daily precipitation	36.3 mm (1.4 in)	30 of 100 (Routine)
Harkerville (Bos)	South Africa	Record daily precipitation	45.2 mm (1.8 in)	30 of 100 (Routine)
Kislovodsk	Russia	Record daily precipitation	27.4 mm (1.1 in)	29 of 100 (Routine)
Wakefield 3NW	United States	Record daily precipitation	47.5 mm (1.9 in)	29 of 100 (Routine)
Grantsburg	United States	Record daily precipitation	41.4 mm (1.6 in)	27 of 100 (Routine)
Bilasipara	India	Record daily precipitation	99.6 mm (3.9 in)	26 of 100 (Routine)
Inverell Comparison	Australia	Record low minimum temperature	-5.6 C (21.9 F)	25 of 100 (Routine)
Sheldon	United States	Record daily precipitation	41.1 mm (1.6 in)	25 of 100 (Routine)
Cloquet	United States	Record daily precipitation	29.7 mm (1.2 in)	25 of 100 (Routine)
Big St Germain Dam	United States	Record daily precipitation	28.7 mm (1.1 in)	25 of 100 (Routine)
Storm Lake	United States	Record daily precipitation	35.1 mm (1.4 in)	24 of 100 (Routine)
Amenia	United States	Record daily precipitation	28.7 mm (1.1 in)	24 of 100 (Routine)
Minocqua	United States	Record daily precipitation	36.8 mm (1.4 in)	24 of 100 (Routine)
George Airport	South Africa	Record daily precipitation	47.0 mm (1.9 in)	23 of 100 (Routine)
Seymour 1 WSW	United States	Record high maximum temperature	32.8 C (91.0 F)	23 of 100 (Routine)
Mt Ayr	United States	Record high minimum temperature	17.2 C (63.0 F)	23 of 100 (Routine)
Macon	United States	Record high minimum temperature	17.8 C (64.0 F)	23 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high maximum temperature	32.2 C (90.0 F)	23 of 100 (Routine)
Harlan	United States	Record high minimum temperature	17.2 C (63.0 F)	22 of 100 (Routine)
Onawa 3NW	United States	Record daily precipitation	30.0 mm (1.2 in)	22 of 100 (Routine)
Frankfort 2NE	United States	Record high maximum temperature	26.7 C (80.1 F)	22 of 100 (Routine)
Virginia	United States	Record daily precipitation	30.2 mm (1.2 in)	22 of 100 (Routine)
Clarinda	United States	Record high minimum temperature	17.2 C (63.0 F)	21 of 100 (Routine)
Millerton	United States	Record high minimum temperature	16.1 C (61.0 F)	21 of 100 (Routine)
Manistee 3SE	United States	Record high maximum temperature	28.9 C (84.0 F)	21 of 100 (Routine)
Grant City	United States	Record high minimum temperature	17.2 C (63.0 F)	21 of 100 (Routine)
St Charles Elm Pt	United States	Record high maximum temperature	32.8 C (91.0 F)	21 of 100 (Routine)
Hillsboro	United States	Record high maximum temperature	31.1 C (88.0 F)	21 of 100 (Routine)
Marshall	United States	Record high minimum temperature	17.8 C (64.0 F)	21 of 100 (Routine)
University Exp STN	United States	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Vik I Sogn III	Norway	Record daily precipitation	18.6 mm (0.7 in)	20 of 100 (Routine)
Heidelberg Cape (Pol)	South Africa	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Allakaket	United States	Record daily precipitation	8.6 mm (0.34 in)	20 of 100 (Routine)
Szombathely	Hungary	Record daily precipitation	20.5 mm (0.8 in)	20 of 100 (Routine)
Gormandale East	Australia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Oudtshoorn	South Africa	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Ada	United States	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)

Counts by Type and Timescale

368 records

Records set or tied on 12 May 1944 by type: Highest daily maximum 88, Lowest daily maximum 6, Highest daily minimum 150, Lowest daily minimum 18, Heaviest daily rainfall 105, Heaviest daily snowfall 1.

Records on 12 May 1944 by type
Record type	Records
Highest daily maximum	88
Lowest daily maximum	6
Highest daily minimum	150
Lowest daily minimum	18
Heaviest daily rainfall	105
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 12 May 1944 by timescale: all-time 0, monthly 1, daily 367.

How Much Records Were Beaten By

271 broken records

Margins by which the 271 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 66.8. Ties are not counted.

Top 20 by Significance

12 May 1944

Top 20 records on 12 May 1944 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1944	Uniondale (Tnk), ZA	daily rain	53.3 mm (2.1 in)	40.3 mm (1.6 in)	43 years	57 of 100 (Notable)
12 May 1944	Norfolk, US	daily rain	73.9 mm (2.9 in)	51.8 mm (2.0 in)	24 years	52 of 100 (Notable)
12 May 1944	Moorhead St Teachers C, US	daily rain	50.3 mm (2.0 in)	46.2 mm (1.8 in)	23 years	50 of 100 (Notable)
12 May 1944	Sibley, US	daily rain	50.8 mm (2.0 in)	32.8 mm (1.3 in)	47 years	49 of 100 (Notable)
12 May 1944	Camocim, BR	daily rain	94.3 mm (3.7 in)	48.8 mm (1.9 in)	24 years	48 of 100 (Notable)
12 May 1944	Briksdal, NO	daily rain	31.8 mm (1.3 in)	18.8 mm (0.7 in)	47 years	47 of 100 (Notable)
12 May 1944	Buffelsnek (Bos), ZA	daily rain	85.9 mm (3.4 in)	60.5 mm (2.4 in)	27 years	47 of 100 (Notable)
12 May 1944	Dodge City, US	daily rain	46.7 mm (1.8 in)	38.3 mm (1.5 in)	16 years	45 of 100 (Notable)
12 May 1944	Menasha, US	daily rain	52.1 mm (2.1 in)	25.9 mm (1.0 in)	46 years	42 of 100 (Notable)
12 May 1944	Iroquois Falls, CA	daily rain	35.1 mm (1.4 in)	22.4 mm (0.9 in)	11 years	41 of 100 (Notable)
12 May 1944	Manati 2 E, PR	daily low max	22.2 C (72.0 F)	5.6 C (10.1 F)	31 years	41 of 100 (Notable)
12 May 1944	San German 4 W, PR	daily low max	26.7 C (80.1 F)	3.3 C (5.9 F)	37 years	39 of 100 (Notable)
12 May 1944	Hankey (Pol), ZA	daily rain	42.7 mm (1.7 in)	36.3 mm (1.4 in)	29 years	38 of 100 (Notable)
12 May 1944	Iron River, US	daily rain	52.6 mm (2.1 in)	28.0 mm (1.1 in)	10 years	38 of 100 (Notable)
12 May 1944	Mc Leod 3 E, US	daily rain	44.7 mm (1.8 in)	33.3 mm (1.3 in)	25 years	35 of 100 (Notable)
12 May 1944	Buffelsklip, ZA	daily rain	75.7 mm (3.0 in)	66.8 mm (2.6 in)	9 years	34 of 100 (Routine)
12 May 1944	Alton, US	daily rain	48.8 mm (1.9 in)	34.8 mm (1.4 in)	1 year	34 of 100 (Routine)
12 May 1944	Fosston 1 E, US	daily rain	27.9 mm (1.1 in)	21.5 mm (0.8 in)	18 years	33 of 100 (Routine)
12 May 1944	Lisbon, US	daily rain	37.8 mm (1.5 in)	23.1 mm (0.9 in)	25 years	33 of 100 (Routine)
12 May 1944	Humansdorp (Pol), ZA	daily rain	52.8 mm (2.1 in)	27.1 mm (1.1 in)	18 years	32 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 1944

Records set or tied on this calendar date in each year from 1814 to 1944. 1944 had 368 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 1944-05-12: 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 10	225
10 to 20	22
20 to 30	10
30 to 40	8
40 to 50	3
50 to 60	1
60 to 70	2