Weather Records on 12 May 1950

283 weather records were set or tied worldwide on 12 May 1950. Highest significance: Tazewell 2 SE, US.

Key Facts for 12 May 1950

On 12 May 1950, 283 weather records were set or tied at long-record stations worldwide.
50 were record highs and 52 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 15 monthly and 267 daily.
Tazewell 2 SE set a monthly record daily precipitation of 92.7 mm (3.6 in) on 12 May 1950.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 454 records.

Record Map

283 stations

283 station records on 12 May 1950 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1950: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tazewell 2 SE	United States	Record daily precipitation	92.7 mm (3.6 in)	63 of 100 (Major)
Vryburg (Pol)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	52 of 100 (Notable)
Dilley	United States	Record daily precipitation	80.5 mm (3.2 in)	48 of 100 (Notable)
Wimbledon	South Africa	Record daily precipitation	58.4 mm (2.3 in)	47 of 100 (Notable)
Poortjie	South Africa	Record daily precipitation	32.5 mm (1.3 in)	47 of 100 (Notable)
Bluff City	United States	Record daily precipitation	38.1 mm (1.5 in)	47 of 100 (Notable)
Progress	South Africa	Record daily precipitation	30.5 mm (1.2 in)	40 of 100 (Notable)
Iraucuba	Brazil	Record daily precipitation	48.0 mm (1.9 in)	38 of 100 (Notable)
Thornlea	South Africa	Record daily precipitation	37.1 mm (1.5 in)	38 of 100 (Notable)
Tortosa - Observatorio del Ebr	Spain	Record daily precipitation	44.5 mm (1.8 in)	38 of 100 (Notable)
Orleans 2 W	United States	Record daily precipitation	53.8 mm (2.1 in)	38 of 100 (Notable)
Kareekloof	South Africa	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Vryburg	South Africa	Record daily precipitation	25.7 mm (1.0 in)	36 of 100 (Notable)
Roswell Muni AP	United States	Record daily precipitation	44.5 mm (1.8 in)	34 of 100 (Routine)
Postmasburg	South Africa	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Rogersville 1 NE	United States	Record daily precipitation	55.9 mm (2.2 in)	33 of 100 (Routine)
Palmyra	South Africa	Record daily precipitation	29.7 mm (1.2 in)	32 of 100 (Routine)
Tbilisi	Georgia	Record low maximum temperature	12.7 C (54.9 F)	31 of 100 (Routine)
Griquatown (Tnk)	South Africa	Record daily precipitation	40.6 mm (1.6 in)	31 of 100 (Routine)
Middlesboro Fire Dept	United States	Record daily precipitation	80.0 mm (3.1 in)	31 of 100 (Routine)
Greeneville Exp STN	United States	Record daily precipitation	25.7 mm (1.0 in)	31 of 100 (Routine)
Encinal	United States	Record daily precipitation	108.0 mm (4.3 in)	31 of 100 (Routine)
Sikeston	United States	Record daily precipitation	34.3 mm (1.4 in)	29 of 100 (Routine)
Crosbyton	United States	Record daily precipitation	51.6 mm (2.0 in)	29 of 100 (Routine)
Ettrick	Australia	Record daily precipitation	33.8 mm (1.3 in)	28 of 100 (Routine)
Gerang Gerung	Australia	Record daily precipitation	25.7 mm (1.0 in)	28 of 100 (Routine)
Kenogami	Canada	Record daily snowfall	8.4 cm (3.3 in)	28 of 100 (Routine)
Morokweng (Pol)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	28 of 100 (Routine)
Setlagodi (Pol)	South Africa	Record daily precipitation	34.5 mm (1.4 in)	28 of 100 (Routine)
Waynesboro	United States	Record daily precipitation	33.5 mm (1.3 in)	28 of 100 (Routine)
Montreal River	Canada	Record daily snowfall	6.4 cm (2.5 in)	27 of 100 (Routine)
Areia (Ufpb)	Brazil	Record daily precipitation	52.5 mm (2.1 in)	26 of 100 (Routine)
Niekerkshoop (Pol)	South Africa	Record daily precipitation	26.7 mm (1.1 in)	26 of 100 (Routine)
Kareedoorn	South Africa	Record daily precipitation	30.5 mm (1.2 in)	25 of 100 (Routine)
Mc Minnville	United States	Record daily precipitation	40.9 mm (1.6 in)	25 of 100 (Routine)
Mulyie	Australia	Record daily precipitation	27.4 mm (1.1 in)	24 of 100 (Routine)
Markovo	Russia	Record low minimum temperature	-22.1 C (-7.8 F)	24 of 100 (Routine)
Golconda River	United States	Record daily precipitation	31.8 mm (1.3 in)	24 of 100 (Routine)
Abbeville	United States	Record daily precipitation	51.3 mm (2.0 in)	24 of 100 (Routine)
Dover 1 W	United States	Record daily precipitation	25.9 mm (1.0 in)	24 of 100 (Routine)
Governador Dix-Sept Rosado	Brazil	Record daily precipitation	38.0 mm (1.5 in)	23 of 100 (Routine)
Barrage A Lac Kempt	Canada	Record daily snowfall	10.2 cm (4.0 in)	23 of 100 (Routine)
Vanersborg	Sweden	Record high minimum temperature	12.0 C (53.6 F)	23 of 100 (Routine)
Koshkonong	United States	Record low maximum temperature	12.8 C (55.0 F)	23 of 100 (Routine)
Launceston (Pumping Station)	Australia	Record low minimum temperature	-2.2 C (28.0 F)	22 of 100 (Routine)
Haileybury	Canada	Record daily snowfall	7.1 cm (2.8 in)	22 of 100 (Routine)
Brakkies	South Africa	Record daily precipitation	32.8 mm (1.3 in)	22 of 100 (Routine)
Kristianstad	Sweden	Record high maximum temperature	24.5 C (76.1 F)	22 of 100 (Routine)
Clinton	United States	Record daily precipitation	26.7 mm (1.1 in)	22 of 100 (Routine)
Marble Bar Comparison	Australia	Record daily precipitation	28.7 mm (1.1 in)	21 of 100 (Routine)
Guayama 1SW	Puerto Rico [United States]	Record low minimum temperature	20.0 C (68.0 F)	21 of 100 (Routine)
Brandwag	South Africa	Record daily precipitation	30.5 mm (1.2 in)	21 of 100 (Routine)
Chapel Hill 2 W	United States	Record daily precipitation	30.5 mm (1.2 in)	21 of 100 (Routine)
Hondo	United States	Record daily precipitation	58.4 mm (2.3 in)	21 of 100 (Routine)
Rawlinna	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Danielskuil	South Africa	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Sterling	South Africa	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Wai	India	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Grantham	South Africa	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Zamora	Spain	Record daily precipitation	17.1 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

283 records

Records set or tied on 12 May 1950 by type: Highest daily maximum 28, Lowest daily maximum 42, Highest daily minimum 22, Lowest daily minimum 10, Heaviest daily rainfall 172, Heaviest daily snowfall 9.

Records on 12 May 1950 by type
Record type	Records
Highest daily maximum	28
Lowest daily maximum	42
Highest daily minimum	22
Lowest daily minimum	10
Heaviest daily rainfall	172
Heaviest daily snowfall	9
Deepest snow cover	0

Records on 12 May 1950 by timescale: all-time 1, monthly 15, daily 267.

How Much Records Were Beaten By

248 broken records

Margins by which the 248 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.0. Ties are not counted.

Top 20 by Significance

12 May 1950

Top 20 records on 12 May 1950 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1950	Tazewell 2 SE, US	monthly rain	92.7 mm (3.6 in)	39.4 mm (1.6 in)	36 years	63 of 100 (Major)
12 May 1950	Vryburg (Pol), ZA	daily rain	30.0 mm (1.2 in)	22.9 mm (0.9 in)	58 years	52 of 100 (Notable)
12 May 1950	Dilley, US	daily rain	80.5 mm (3.2 in)	72.9 mm (2.9 in)	20 years	48 of 100 (Notable)
12 May 1950	Wimbledon, ZA	monthly rain	58.4 mm (2.3 in)	23.9 mm (0.9 in)	15 years	47 of 100 (Notable)
12 May 1950	Poortjie, ZA	daily rain	32.5 mm (1.3 in)	22.6 mm (0.9 in)	13 years	47 of 100 (Notable)
12 May 1950	Bluff City, US	daily rain	38.1 mm (1.5 in)	27.9 mm (1.1 in)	37 years	47 of 100 (Notable)
12 May 1950	Progress, ZA	daily rain	30.5 mm (1.2 in)	23.1 mm (0.9 in)	7 years	40 of 100 (Notable)
12 May 1950	Iraucuba, BR	daily rain	48.0 mm (1.9 in)	25.0 mm (1.0 in)	36 years	38 of 100 (Notable)
12 May 1950	Thornlea, ZA	daily rain	37.1 mm (1.5 in)	28.2 mm (1.1 in)	15 years	38 of 100 (Notable)
12 May 1950	Tortosa - Observatorio del Ebr, ES	daily rain	44.5 mm (1.8 in)	34.2 mm (1.3 in)	15 years	38 of 100 (Notable)
12 May 1950	Orleans 2 W, US	daily rain	53.8 mm (2.1 in)	33.5 mm (1.3 in)	33 years	38 of 100 (Notable)
12 May 1950	Kareekloof, ZA	monthly rain	40.6 mm (1.6 in)	13.2 mm (0.5 in)	15 years	37 of 100 (Notable)
12 May 1950	Vryburg, ZA	daily rain	25.7 mm (1.0 in)	19.4 mm (0.8 in)	15 years	36 of 100 (Notable)
12 May 1950	Roswell Muni AP, US	daily rain	44.5 mm (1.8 in)	23.9 mm (0.9 in)	21 years	34 of 100 (Routine)
12 May 1950	Postmasburg, ZA	daily rain	33.0 mm (1.3 in)	22.6 mm (0.9 in)	13 years	33 of 100 (Routine)
12 May 1950	Rogersville 1 NE, US	monthly rain	55.9 mm (2.2 in)	2.8 mm (0.11 in)	48 years	33 of 100 (Routine)
12 May 1950	Palmyra, ZA	daily rain	29.7 mm (1.2 in)	21.8 mm (0.9 in)	15 years	32 of 100 (Routine)
12 May 1950	Tbilisi, GE	daily low max	12.7 C (54.9 F)	4.0 C (7.2 F)	53 years	31 of 100 (Routine)
12 May 1950	Griquatown (Tnk), ZA	monthly rain	40.6 mm (1.6 in)	6.3 mm (0.25 in)	24 years	31 of 100 (Routine)
12 May 1950	Middlesboro Fire Dept, US	monthly rain	80.0 mm (3.1 in)	7.6 mm (0.30 in)	34 years	31 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 1950

Records set or tied on this calendar date in each year from 1814 to 1950. 1950 had 283 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 1950-05-12: 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	224
20 to 40	21
40 to 60	0
60 to 80	2
80 to 100	1