Weather Records on 12 May 1945

389 weather records were set or tied worldwide on 12 May 1945. Highest significance: Demopolis Lock 4, US.

Key Facts for 12 May 1945

On 12 May 1945, 389 weather records were set or tied at long-record stations worldwide.
107 were record highs and 126 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 374 daily.
Demopolis Lock 4 set a daily record precipitation of 88.9 mm (3.5 in) on 12 May 1945.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 453 records.

Record Map

389 stations

389 station records on 12 May 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Demopolis Lock 4	United States	Record daily precipitation	88.9 mm (3.5 in)	44 of 100 (Notable)
Sukinda	India	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
Oxford	United Kingdom	Record high minimum temperature	13.3 C (55.9 F)	43 of 100 (Notable)
Goodwater	United States	Record daily precipitation	77.0 mm (3.0 in)	41 of 100 (Notable)
The Forks	United States	Record daily precipitation	46.7 mm (1.8 in)	41 of 100 (Notable)
Talladega	United States	Record daily precipitation	50.0 mm (2.0 in)	39 of 100 (Notable)
Selma	United States	Record daily precipitation	67.3 mm (2.6 in)	37 of 100 (Notable)
Cascade Locks	United States	Record daily precipitation	33.8 mm (1.3 in)	37 of 100 (Notable)
Helena 1 S	United States	Record daily precipitation	114.3 mm (4.5 in)	36 of 100 (Notable)
Lake City 2 E	United States	Record high minimum temperature	27.2 C (81.0 F)	36 of 100 (Notable)
Praha-Klementinum	Czech Republic	Record high maximum temperature	30.5 C (86.9 F)	35 of 100 (Notable)
Cape Barren Island (Cape Barre	Australia	Record daily precipitation	39.6 mm (1.6 in)	31 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record low minimum temperature	-0.1 C (31.8 F)	29 of 100 (Routine)
Belleville	Canada	Record low maximum temperature	7.8 C (46.0 F)	29 of 100 (Routine)
Wetumpka	United States	Record daily precipitation	44.5 mm (1.8 in)	29 of 100 (Routine)
Tezpur	India	Record daily precipitation	49.8 mm (2.0 in)	27 of 100 (Routine)
Southern Pines 2 W	United States	Record low maximum temperature	15.6 C (60.1 F)	27 of 100 (Routine)
Brookings	United States	Record daily precipitation	32.5 mm (1.3 in)	27 of 100 (Routine)
Headworks Portland Wtr B	United States	Record daily precipitation	30.0 mm (1.2 in)	27 of 100 (Routine)
Yerevan	Armenia	Record low minimum temperature	-0.6 C (30.9 F)	26 of 100 (Routine)
Galway	Ireland	Record high minimum temperature	12.2 C (54.0 F)	26 of 100 (Routine)
Milesovka	Czech Republic	Record high minimum temperature	19.2 C (66.6 F)	26 of 100 (Routine)
Milan	Italy	Record high minimum temperature	20.2 C (68.4 F)	26 of 100 (Routine)
Saentis	Switzerland	Record high maximum temperature	12.3 C (54.1 F)	25 of 100 (Routine)
Lincoln Lock 4	United States	Record daily precipitation	27.4 mm (1.1 in)	25 of 100 (Routine)
Ljubljana Bezigrad	Slovenia	Record high maximum temperature	31.4 C (88.5 F)	24 of 100 (Routine)
Uniontown	United States	Record daily precipitation	63.2 mm (2.5 in)	24 of 100 (Routine)
Athens	United States	Record low maximum temperature	16.7 C (62.1 F)	24 of 100 (Routine)
Hartwell	United States	Record low maximum temperature	16.7 C (62.1 F)	24 of 100 (Routine)
Ft Reno	United States	Record daily precipitation	81.3 mm (3.2 in)	24 of 100 (Routine)
Okmulgee Wtr Wks	United States	Record daily precipitation	67.3 mm (2.6 in)	24 of 100 (Routine)
Newberry	United States	Record low maximum temperature	18.3 C (64.9 F)	24 of 100 (Routine)
Ganca	Azerbaijan	Record low minimum temperature	3.5 C (38.3 F)	23 of 100 (Routine)
Sonnblick	Austria	Record high maximum temperature	5.1 C (41.2 F)	23 of 100 (Routine)
Atyrau	Kazakhstan	Record low minimum temperature	2.2 C (36.0 F)	23 of 100 (Routine)
Basel Binningen	Switzerland	Record high maximum temperature	33.3 C (91.9 F)	23 of 100 (Routine)
Buxton	United Kingdom	Record high minimum temperature	11.7 C (53.1 F)	23 of 100 (Routine)
Simferopol	Ukraine	Record low minimum temperature	0.0 C (32.0 F)	23 of 100 (Routine)
Feodosiia	Ukraine	Record low maximum temperature	12.3 C (54.1 F)	23 of 100 (Routine)
Healdsburg	United States	Record daily precipitation	32.5 mm (1.3 in)	23 of 100 (Routine)
Riverside Fire STN 3	United States	Record high minimum temperature	13.9 C (57.0 F)	23 of 100 (Routine)
Covington	United States	Record low maximum temperature	18.9 C (66.0 F)	23 of 100 (Routine)
Harlingen	United States	Record high maximum temperature	38.9 C (102.0 F)	23 of 100 (Routine)
Marseille Obs. Palais-Lonchamp	France	Record high maximum temperature	32.3 C (90.1 F)	22 of 100 (Routine)
Fichtelberg	Germany	Record high minimum temperature	15.0 C (59.0 F)	22 of 100 (Routine)
Pecs Pogany	Hungary	Record high maximum temperature	32.0 C (89.6 F)	22 of 100 (Routine)
Katwa	India	Record daily precipitation	38.1 mm (1.5 in)	22 of 100 (Routine)
Zametchino	Russia	Record low minimum temperature	-3.7 C (25.3 F)	22 of 100 (Routine)
Durham	United Kingdom	Record high minimum temperature	10.6 C (51.1 F)	22 of 100 (Routine)
Camden 3 W	United States	Record low maximum temperature	19.4 C (66.9 F)	22 of 100 (Routine)
Laurens	United States	Record low maximum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Uccle	Belgium	Record high maximum temperature	31.6 C (88.9 F)	21 of 100 (Routine)
Milan	Italy	Record high maximum temperature	31.8 C (89.2 F)	21 of 100 (Routine)
Hood Rvr Exp STN	United States	Record low maximum temperature	12.8 C (55.0 F)	21 of 100 (Routine)
The Dalles	United States	Record low maximum temperature	15.0 C (59.0 F)	21 of 100 (Routine)
Santuck	United States	Record low maximum temperature	16.1 C (61.0 F)	21 of 100 (Routine)
Walhalla	United States	Record low maximum temperature	18.3 C (64.9 F)	21 of 100 (Routine)
Aralskoe More	Kazakhstan	Record daily precipitation	17.1 mm (0.7 in)	20 of 100 (Routine)
Morro Do Chapeu	Brazil	Record daily precipitation	20.0 mm (0.8 in)	20 of 100 (Routine)
Arlington	United States	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)

Counts by Type and Timescale

389 records

Records set or tied on 12 May 1945 by type: Highest daily maximum 57, Lowest daily maximum 94, Highest daily minimum 50, Lowest daily minimum 32, Heaviest daily rainfall 153, Heaviest daily snowfall 3.

Records on 12 May 1945 by type
Record type	Records
Highest daily maximum	57
Lowest daily maximum	94
Highest daily minimum	50
Lowest daily minimum	32
Heaviest daily rainfall	153
Heaviest daily snowfall	3
Deepest snow cover	0

Records on 12 May 1945 by timescale: all-time 0, monthly 15, daily 374.

How Much Records Were Beaten By

328 broken records

Margins by which the 328 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 45.7. Ties are not counted.

Top 20 by Significance

12 May 1945

Top 20 records on 12 May 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1945	Demopolis Lock 4, US	daily rain	88.9 mm (3.5 in)	45.7 mm (1.8 in)	42 years	44 of 100 (Notable)
12 May 1945	Sukinda, IN	daily rain	50.8 mm (2.0 in)	42.2 mm (1.7 in)	28 years	43 of 100 (Notable)
12 May 1945	Oxford, GB	daily high min	13.3 C (55.9 F)	1.1 C (2.0 F)	123 years	43 of 100 (Notable)
12 May 1945	Goodwater, US	monthly rain	77.0 mm (3.0 in)	16.5 mm (0.6 in)	43 years	41 of 100 (Notable)
12 May 1945	The Forks, US	daily rain	46.7 mm (1.8 in)	31.0 mm (1.2 in)	14 years	41 of 100 (Notable)
12 May 1945	Talladega, US	daily rain	50.0 mm (2.0 in)	31.2 mm (1.2 in)	42 years	39 of 100 (Notable)
12 May 1945	Selma, US	daily rain	67.3 mm (2.6 in)	31.7 mm (1.2 in)	30 years	37 of 100 (Notable)
12 May 1945	Cascade Locks, US	daily rain	33.8 mm (1.3 in)	17.8 mm (0.7 in)	32 years	37 of 100 (Notable)
12 May 1945	Helena 1 S, US	monthly rain	114.3 mm (4.5 in)	31.2 mm (1.2 in)	2 years	36 of 100 (Notable)
12 May 1945	Lake City 2 E, US	monthly high min	27.2 C (81.0 F)	2.2 C (4.0 F)	48 years	36 of 100 (Notable)
12 May 1945	Praha-Klementinum, CZ	daily high max	30.5 C (86.9 F)	1.2 C (2.2 F)	77 years	35 of 100 (Notable)
12 May 1945	Cape Barren Island (Cape Barre, AU	monthly rain	39.6 mm (1.6 in)	6.6 mm (0.26 in)	22 years	31 of 100 (Routine)
12 May 1945	Hobart (Ellerslie Road), AU	daily low min	-0.1 C (31.8 F)	1.9 C (3.4 F)	57 years	29 of 100 (Routine)
12 May 1945	Belleville, CA	daily low max	7.8 C (46.0 F)	0.5 C (0.9 F)	66 years	29 of 100 (Routine)
12 May 1945	Wetumpka, US	daily rain	44.5 mm (1.8 in)	22.4 mm (0.9 in)	32 years	29 of 100 (Routine)
12 May 1945	Tezpur, IN	daily rain	49.8 mm (2.0 in)	20.3 mm (0.8 in)	36 years	27 of 100 (Routine)
12 May 1945	Southern Pines 2 W, US	daily low max	15.6 C (60.1 F)	3.8 C (6.8 F)	49 years	27 of 100 (Routine)
12 May 1945	Brookings, US	daily rain	32.5 mm (1.3 in)	23.1 mm (0.9 in)	20 years	27 of 100 (Routine)
12 May 1945	Headworks Portland Wtr B, US	daily rain	30.0 mm (1.2 in)	11.5 mm (0.5 in)	34 years	27 of 100 (Routine)
12 May 1945	Yerevan, AM	monthly low min	-0.6 C (30.9 F)	1.9 C (3.4 F)	12 years	26 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 1945

Records set or tied on this calendar date in each year from 1814 to 1945. 1945 had 389 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 1945-05-12: 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).