Weather Records on 15 May 1950

260 weather records were set or tied worldwide on 15 May 1950. Highest significance: Tazewell 2 SE, US.

Key Facts for 15 May 1950

On 15 May 1950, 260 weather records were set or tied at long-record stations worldwide.
16 were record highs and 39 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 257 daily.
Tazewell 2 SE set a daily record precipitation of 57.2 mm (2.3 in) on 15 May 1950.
Across 162 earlier years (1820 to 2026) the same calendar date averaged 432 records.

Record Map

260 stations

260 station records on 15 May 1950 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 May 1950: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tazewell 2 SE	United States	Record daily precipitation	57.2 mm (2.3 in)	59 of 100 (Notable)
Moncure 3 SE	United States	Record daily precipitation	77.7 mm (3.1 in)	58 of 100 (Notable)
Clear Spring 1 ENE	United States	Record daily precipitation	50.3 mm (2.0 in)	53 of 100 (Notable)
Nqadu Heights (Bos)	South Africa	Record daily precipitation	42.2 mm (1.7 in)	45 of 100 (Notable)
Outlook	Canada	Record daily precipitation	35.6 mm (1.4 in)	43 of 100 (Notable)
Dom Mauricio	Brazil	Record daily precipitation	82.2 mm (3.2 in)	42 of 100 (Notable)
Huelva	Spain	Record daily precipitation	26.4 mm (1.0 in)	40 of 100 (Notable)
Teresina	Brazil	Record daily precipitation	80.0 mm (3.1 in)	39 of 100 (Notable)
Carlisle	United States	Record daily precipitation	42.4 mm (1.7 in)	39 of 100 (Notable)
Louisburg	United States	Record daily precipitation	35.6 mm (1.4 in)	35 of 100 (Notable)
Chambersburg 1 ESE	United States	Record daily precipitation	41.9 mm (1.6 in)	35 of 100 (Notable)
Royal Observatory	South Africa	Record daily precipitation	35.8 mm (1.4 in)	34 of 100 (Routine)
Buchanan	United States	Record daily precipitation	47.0 mm (1.9 in)	34 of 100 (Routine)
Solomons	United States	Record daily precipitation	53.8 mm (2.1 in)	33 of 100 (Routine)
Philadelphia City	United States	Record daily precipitation	29.5 mm (1.2 in)	33 of 100 (Routine)
Chatrapatti	India	Record daily precipitation	89.7 mm (3.5 in)	32 of 100 (Routine)
Charleston	United States	Record daily precipitation	40.1 mm (1.6 in)	32 of 100 (Routine)
Forbes (Camp Street)	Australia	Record low maximum temperature	11.7 C (53.1 F)	30 of 100 (Routine)
Virden	Canada	Record daily snowfall	5.1 cm (2.0 in)	29 of 100 (Routine)
Karur	India	Record daily precipitation	58.4 mm (2.3 in)	29 of 100 (Routine)
Jayamkondam	India	Record daily precipitation	74.2 mm (2.9 in)	28 of 100 (Routine)
Loretto	United States	Record daily precipitation	51.3 mm (2.0 in)	28 of 100 (Routine)
Washington	United States	Record daily precipitation	43.4 mm (1.7 in)	28 of 100 (Routine)
Chidambaram	India	Record daily precipitation	34.0 mm (1.3 in)	27 of 100 (Routine)
Purcellville	United States	Record daily precipitation	33.8 mm (1.3 in)	27 of 100 (Routine)
Galway	Ireland	Record high maximum temperature	23.9 C (75.0 F)	26 of 100 (Routine)
Groot Constantia	South Africa	Record daily precipitation	36.8 mm (1.4 in)	25 of 100 (Routine)
Robben Island (Vrt)	South Africa	Record daily precipitation	31.5 mm (1.2 in)	25 of 100 (Routine)
Emmitsburg	United States	Record daily precipitation	39.9 mm (1.6 in)	25 of 100 (Routine)
York 3 SSW Pump STN	United States	Record daily precipitation	31.8 mm (1.3 in)	25 of 100 (Routine)
Iguatu	Brazil	Record daily precipitation	38.0 mm (1.5 in)	24 of 100 (Routine)
Tadoussac	Canada	Record daily precipitation	39.4 mm (1.6 in)	24 of 100 (Routine)
Kazalinsk	Kazakhstan	Record high minimum temperature	18.6 C (65.5 F)	24 of 100 (Routine)
Neuse 2 NE	United States	Record daily precipitation	38.4 mm (1.5 in)	24 of 100 (Routine)
Vishnupur	India	Record daily precipitation	39.1 mm (1.5 in)	23 of 100 (Routine)
College Park	United States	Record daily precipitation	26.2 mm (1.0 in)	23 of 100 (Routine)
Keedysville	United States	Record daily precipitation	37.8 mm (1.5 in)	23 of 100 (Routine)
Culpeper	United States	Record daily precipitation	39.6 mm (1.6 in)	23 of 100 (Routine)
Hot Springs	United States	Record daily precipitation	29.2 mm (1.1 in)	23 of 100 (Routine)
Rosetown Cda Epf	Canada	Record daily precipitation	28.2 mm (1.1 in)	22 of 100 (Routine)
Thammampatty	India	Record daily precipitation	38.6 mm (1.5 in)	22 of 100 (Routine)
Chardzhev	Turkmenistan	Record high minimum temperature	20.9 C (69.6 F)	22 of 100 (Routine)
Wooster Exp STN	United States	Record daily precipitation	34.5 mm (1.4 in)	21 of 100 (Routine)
Atyrau	Kazakhstan	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Emba	Kazakhstan	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Ottosdal	South Africa	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Poortjie	South Africa	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Zevenfontein	South Africa	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Kafferskraal	South Africa	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Doornbult	South Africa	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Warrenton (Mun)	South Africa	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Klipplaatdrift (Skl)	South Africa	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Leliefontein	South Africa	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
St Walburg	Canada	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Boetsap (Pol)	South Africa	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Taung	South Africa	Record daily precipitation	6.1 mm (0.24 in)	20 of 100 (Routine)
Windsorton (Pol)	South Africa	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Progress	South Africa	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Caron	Canada	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Welverdiend (Pol)	South Africa	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)

Counts by Type and Timescale

260 records

Records set or tied on 15 May 1950 by type: Highest daily maximum 6, Lowest daily maximum 18, Highest daily minimum 10, Lowest daily minimum 21, Heaviest daily rainfall 203, Heaviest daily snowfall 2.

Records on 15 May 1950 by type
Record type	Records
Highest daily maximum	6
Lowest daily maximum	18
Highest daily minimum	10
Lowest daily minimum	21
Heaviest daily rainfall	203
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 15 May 1950 by timescale: all-time 0, monthly 3, daily 257.

How Much Records Were Beaten By

233 broken records

Margins by which the 233 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 57.4. Ties are not counted.

Top 20 by Significance

15 May 1950

Top 20 records on 15 May 1950 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 1950	Tazewell 2 SE, US	daily rain	57.2 mm (2.3 in)	43.0 mm (1.7 in)	48 years	59 of 100 (Notable)
15 May 1950	Moncure 3 SE, US	daily rain	77.7 mm (3.1 in)	57.4 mm (2.3 in)	45 years	58 of 100 (Notable)
15 May 1950	Clear Spring 1 ENE, US	daily rain	50.3 mm (2.0 in)	35.1 mm (1.4 in)	44 years	53 of 100 (Notable)
15 May 1950	Nqadu Heights (Bos), ZA	daily rain	42.2 mm (1.7 in)	36.1 mm (1.4 in)	20 years	45 of 100 (Notable)
15 May 1950	Outlook, CA	daily rain	35.6 mm (1.4 in)	30.0 mm (1.2 in)	0 years	43 of 100 (Notable)
15 May 1950	Dom Mauricio, BR	daily rain	82.2 mm (3.2 in)	44.4 mm (1.7 in)	29 years	42 of 100 (Notable)
15 May 1950	Huelva, ES	daily rain	26.4 mm (1.0 in)	23.5 mm (0.9 in)	29 years	40 of 100 (Notable)
15 May 1950	Teresina, BR	daily rain	80.0 mm (3.1 in)	47.4 mm (1.9 in)	32 years	39 of 100 (Notable)
15 May 1950	Carlisle, US	daily rain	42.4 mm (1.7 in)	27.7 mm (1.1 in)	16 years	39 of 100 (Notable)
15 May 1950	Louisburg, US	daily rain	35.6 mm (1.4 in)	17.1 mm (0.7 in)	56 years	35 of 100 (Notable)
15 May 1950	Chambersburg 1 ESE, US	daily rain	41.9 mm (1.6 in)	23.9 mm (0.9 in)	20 years	35 of 100 (Notable)
15 May 1950	Royal Observatory, ZA	daily rain	35.8 mm (1.4 in)	1.5 mm (0.06 in)	76 years	34 of 100 (Routine)
15 May 1950	Buchanan, US	daily rain	47.0 mm (1.9 in)	32.3 mm (1.3 in)	12 years	34 of 100 (Routine)
15 May 1950	Solomons, US	daily rain	53.8 mm (2.1 in)	13.4 mm (0.5 in)	44 years	33 of 100 (Routine)
15 May 1950	Philadelphia City, US	daily rain	29.5 mm (1.2 in)	10.7 mm (0.4 in)	51 years	33 of 100 (Routine)
15 May 1950	Chatrapatti, IN	daily rain	89.7 mm (3.5 in)	32.0 mm (1.3 in)	17 years	32 of 100 (Routine)
15 May 1950	Charleston, US	daily rain	40.1 mm (1.6 in)	11.9 mm (0.5 in)	59 years	32 of 100 (Routine)
15 May 1950	Forbes (Camp Street), AU	daily low max	11.7 C (53.1 F)	0.5 C (0.9 F)	75 years	30 of 100 (Routine)
15 May 1950	Virden, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	44 years	29 of 100 (Routine)
15 May 1950	Karur, IN	daily rain	58.4 mm (2.3 in)	37.3 mm (1.5 in)	9 years	29 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

1820 to 1950

Records set or tied on this calendar date in each year from 1820 to 1950. 1950 had 260 records.

Counts for years before the ledger starts come from the same station rules.

Records on 05-15 in each year
Year	Records
1820	1
1825	1
1831	1
1832	1
1837	2
1845	1
1847	2
1848	1
1855	2
1857	2
1859	1
1862	1
1863	1
1865	1
1866	2
1867	1
1868	2
1870	1
1871	3
1874	2
1876	4
1878	1
1879	2
1881	1
1883	1
1885	1
1886	2
1888	3
1891	3
1893	5
1894	2
1895	4
1896	2
1897	4
1898	3
1899	9
1900	9
1901	2
1902	9
1903	4
1904	13
1905	16
1906	10
1907	27
1908	25
1909	89
1910	27
1911	27
1912	26
1913	60
1914	16
1915	236
1916	27
1917	80
1918	133
1919	25
1920	58
1921	92
1922	30
1923	125
1924	174
1925	100
1926	161
1927	191
1928	144
1929	161
1930	136
1931	459
1932	368
1933	439
1934	227
1935	288
1936	372
1937	373
1938	393
1939	351
1940	179
1941	454
1942	701
1943	568
1944	630
1945	588
1946	238
1947	334
1948	264
1949	363
1950	260
1951	736
1952	476
1953	426
1954	355
1955	538
1956	466
1957	521
1958	605
1959	764
1960	291
1961	508
1962	1,128
1963	782
1964	347
1965	320
1966	389
1967	609
1968	1,019
1969	790
1970	512
1971	351
1972	484
1973	818
1974	1,230
1975	372
1976	803
1977	1,186
1978	922
1979	404
1980	625
1981	586
1982	500
1983	1,215
1984	1,059
1985	649
1986	679
1987	1,073
1988	643
1989	552
1990	776
1991	1,179
1992	944
1993	784
1994	910
1995	1,750
1996	1,452
1997	1,175
1998	1,641
1999	810
2000	850
2001	1,280
2002	801
2003	1,023
2004	1,046
2005	767
2006	955
2007	949
2008	995
2009	675
2010	1,088
2011	1,298
2012	751
2013	1,081
2014	1,411
2015	717
2016	890
2017	435
2018	1,074
2019	627
2020	472
2021	412
2022	847
2023	566
2024	596
2025	801
2026	481

Download the Data

Data for records on 1950-05-15: 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	170
10 to 20	42
20 to 30	9
30 to 40	7
40 to 50	3
50 to 60	2