Weather Records on 1 May 1950

439 weather records were set or tied worldwide on 1 May 1950. Highest significance: Robeline, US.

Key Facts for 1 May 1950

On 1 May 1950, 439 weather records were set or tied at long-record stations worldwide.
75 were record highs and 232 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 32 monthly and 406 daily.
Robeline set an all-time record daily precipitation of 184.2 mm (7.3 in) on 1 May 1950.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 442 records.

Record Map

439 stations

439 station records on 1 May 1950 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 May 1950: highest significance records shown on the map
Station	Country	Type	Value	Significance
Robeline	United States	Record daily precipitation	184.2 mm (7.3 in)	48 of 100 (Notable)
Honey Grove	United States	Record daily precipitation	87.6 mm (3.4 in)	46 of 100 (Notable)
Minot Exp STN	United States	Record snow depth	15.2 cm (6.0 in)	42 of 100 (Notable)
Rooiberg	South Africa	Record daily precipitation	39.1 mm (1.5 in)	40 of 100 (Notable)
Angus 1 N	United States	Record daily snowfall	15.2 cm (6.0 in)	40 of 100 (Notable)
Uccle	Belgium	Record high maximum temperature	25.5 C (77.9 F)	38 of 100 (Notable)
Doniphan	United States	Record daily precipitation	53.3 mm (2.1 in)	38 of 100 (Notable)
Regina Int'l A	Canada	Record daily snowfall	17.3 cm (6.8 in)	37 of 100 (Notable)
Alstonville Post Office	Australia	Record daily precipitation	82.8 mm (3.3 in)	34 of 100 (Routine)
Ekaterinburg	Russia	Record high minimum temperature	14.3 C (57.7 F)	33 of 100 (Routine)
Big Timber	United States	Record low minimum temperature	-11.1 C (12.0 F)	33 of 100 (Routine)
Hot Springs	United States	Record snow depth	12.7 cm (5.0 in)	32 of 100 (Routine)
Munday	United States	Record daily precipitation	62.2 mm (2.4 in)	32 of 100 (Routine)
Bowman Dam	United States	Record daily precipitation	65.5 mm (2.6 in)	31 of 100 (Routine)
Orman Dam	United States	Record low minimum temperature	-11.1 C (12.0 F)	31 of 100 (Routine)
Gravette	United States	Record low maximum temperature	11.7 C (53.1 F)	29 of 100 (Routine)
Bonham 3NNE	United States	Record daily precipitation	60.5 mm (2.4 in)	29 of 100 (Routine)
St Albans	Canada	Record daily snowfall	5.1 cm (2.0 in)	28 of 100 (Routine)
Hanover	United States	Record low maximum temperature	7.8 C (46.0 F)	28 of 100 (Routine)
Richfield Radio Ksvc	United States	Record low minimum temperature	-7.8 C (18.0 F)	28 of 100 (Routine)
Rapelje	United States	Record low minimum temperature	-11.1 C (12.0 F)	27 of 100 (Routine)
Durant	United States	Record daily precipitation	53.8 mm (2.1 in)	27 of 100 (Routine)
Belle Fourche	United States	Record low minimum temperature	-8.3 C (17.1 F)	27 of 100 (Routine)
Brownwood 2NE	United States	Record low maximum temperature	17.2 C (63.0 F)	27 of 100 (Routine)
Elberta	United States	Record low minimum temperature	-6.1 C (21.0 F)	27 of 100 (Routine)
Moose Jaw Chab	Canada	Record daily snowfall	5.6 cm (2.2 in)	26 of 100 (Routine)
Boonton 1 SE	United States	Record low maximum temperature	7.2 C (45.0 F)	26 of 100 (Routine)
Mine Centre	Canada	Record daily snowfall	6.4 cm (2.5 in)	25 of 100 (Routine)
Durham	United Kingdom	Record high minimum temperature	9.4 C (48.9 F)	25 of 100 (Routine)
Deer Creek Ph	United States	Record daily precipitation	49.5 mm (1.9 in)	25 of 100 (Routine)
Willard 4 SW	United States	Record daily precipitation	54.6 mm (2.1 in)	25 of 100 (Routine)
Claremore 2 ENE	United States	Record low maximum temperature	13.9 C (57.0 F)	25 of 100 (Routine)
Charlottesville 2W	United States	Record low maximum temperature	11.1 C (52.0 F)	25 of 100 (Routine)
White Sulphur Springs	United States	Record high minimum temperature	14.4 C (57.9 F)	25 of 100 (Routine)
Caron	Canada	Record daily snowfall	15.2 cm (6.0 in)	24 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record high maximum temperature	30.5 C (86.9 F)	24 of 100 (Routine)
Witelsbos (Bos)	South Africa	Record daily precipitation	44.5 mm (1.8 in)	24 of 100 (Routine)
Eureka Springs 3 WNW	United States	Record low maximum temperature	10.6 C (51.1 F)	24 of 100 (Routine)
Lake Spaulding	United States	Record daily precipitation	52.6 mm (2.1 in)	24 of 100 (Routine)
Walters	United States	Record daily precipitation	50.3 mm (2.0 in)	24 of 100 (Routine)
Cheraw	United States	Record daily precipitation	31.8 mm (1.3 in)	24 of 100 (Routine)
Deaver	United States	Record low minimum temperature	-9.4 C (15.1 F)	24 of 100 (Routine)
Lusk 2 SW	United States	Record low minimum temperature	-6.7 C (19.9 F)	24 of 100 (Routine)
Texarkana Webb Fld	United States	Record daily precipitation	77.0 mm (3.0 in)	24 of 100 (Routine)
Biser	Russia	Record high minimum temperature	11.9 C (53.4 F)	23 of 100 (Routine)
Carbondale Sewage Plt	United States	Record low maximum temperature	12.8 C (55.0 F)	23 of 100 (Routine)
Southport 5 N	United States	Record high minimum temperature	20.6 C (69.1 F)	23 of 100 (Routine)
Kingston	United States	Record low maximum temperature	7.2 C (45.0 F)	23 of 100 (Routine)
Oelrichs	United States	Record low minimum temperature	-8.9 C (16.0 F)	23 of 100 (Routine)
Dwtn Charleston	United States	Record high minimum temperature	21.1 C (70.0 F)	23 of 100 (Routine)
Den Helder	Netherlands	Record high maximum temperature	20.5 C (68.9 F)	22 of 100 (Routine)
Ufa	Russia	Record high minimum temperature	14.6 C (58.3 F)	22 of 100 (Routine)
Calhoun 2 N	United States	Record daily precipitation	45.2 mm (1.8 in)	22 of 100 (Routine)
Eufaula 6 SSW	United States	Record low maximum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Newkirk 5NE	United States	Record low maximum temperature	13.9 C (57.0 F)	22 of 100 (Routine)
Wellsboro	United States	Record low maximum temperature	5.6 C (42.1 F)	22 of 100 (Routine)
Albany	United States	Record low maximum temperature	18.3 C (64.9 F)	22 of 100 (Routine)
Sheridan Fld STN	United States	Record low minimum temperature	-8.9 C (16.0 F)	22 of 100 (Routine)
Bridgetown Comparison	Australia	Record low minimum temperature	-1.1 C (30.0 F)	21 of 100 (Routine)
Cherdyn'	Russia	Record high minimum temperature	9.3 C (48.7 F)	21 of 100 (Routine)

Counts by Type and Timescale

439 records

Records set or tied on 1 May 1950 by type: Highest daily maximum 25, Lowest daily maximum 139, Highest daily minimum 50, Lowest daily minimum 93, Heaviest daily rainfall 112, Heaviest daily snowfall 17, Deepest snow cover 3.

Records on 1 May 1950 by type
Record type	Records
Highest daily maximum	25
Lowest daily maximum	139
Highest daily minimum	50
Lowest daily minimum	93
Heaviest daily rainfall	112
Heaviest daily snowfall	17
Deepest snow cover	3

Records on 1 May 1950 by timescale: all-time 1, monthly 32, daily 406.

How Much Records Were Beaten By

337 broken records

Margins by which the 337 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

1 May 1950

Top 20 records on 1 May 1950 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 May 1950	Robeline, US	all-time rain	184.2 mm (7.3 in)	23.7 mm (0.9 in)	40 years	48 of 100 (Notable)
1 May 1950	Honey Grove, US	daily rain	87.6 mm (3.4 in)	62.5 mm (2.5 in)	33 years	46 of 100 (Notable)
1 May 1950	Minot Exp STN, US	monthly snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	44 years	42 of 100 (Notable)
1 May 1950	Rooiberg, ZA	daily rain	39.1 mm (1.5 in)	21.3 mm (0.8 in)	28 years	40 of 100 (Notable)
1 May 1950	Angus 1 N, US	monthly snowfall	15.2 cm (6.0 in)	9.6 cm (3.8 in)	25 years	40 of 100 (Notable)
1 May 1950	Uccle, BE	daily high max	25.5 C (77.9 F)	1.1 C (2.0 F)	87 years	38 of 100 (Notable)
1 May 1950	Doniphan, US	daily rain	53.3 mm (2.1 in)	36.3 mm (1.4 in)	28 years	38 of 100 (Notable)
1 May 1950	Regina Int'l A, CA	monthly snowfall	17.3 cm (6.8 in)	3.3 cm (1.3 in)	38 years	37 of 100 (Notable)
1 May 1950	Alstonville Post Office, AU	daily rain	82.8 mm (3.3 in)	44.7 mm (1.8 in)	35 years	34 of 100 (Routine)
1 May 1950	Ekaterinburg, RU	daily high min	14.3 C (57.7 F)	3.9 C (7.0 F)	61 years	33 of 100 (Routine)
1 May 1950	Big Timber, US	monthly low min	-11.1 C (12.0 F)	5.0 C (9.0 F)	20 years	33 of 100 (Routine)
1 May 1950	Hot Springs, US	monthly snow depth	12.7 cm (5.0 in)	7.6 cm (3.0 in)	34 years	32 of 100 (Routine)
1 May 1950	Munday, US	daily rain	62.2 mm (2.4 in)	41.6 mm (1.6 in)	13 years	32 of 100 (Routine)
1 May 1950	Bowman Dam, US	daily rain	65.5 mm (2.6 in)	31.2 mm (1.2 in)	16 years	31 of 100 (Routine)
1 May 1950	Orman Dam, US	monthly low min	-11.1 C (12.0 F)	2.2 C (4.0 F)	40 years	31 of 100 (Routine)
1 May 1950	Gravette, US	daily low max	11.7 C (53.1 F)	3.9 C (7.0 F)	51 years	29 of 100 (Routine)
1 May 1950	Bonham 3NNE, US	daily rain	60.5 mm (2.4 in)	27.5 mm (1.1 in)	33 years	29 of 100 (Routine)
1 May 1950	St Albans, CA	daily snowfall	5.1 cm (2.0 in)	3.8 cm (1.5 in)	57 years	28 of 100 (Routine)
1 May 1950	Hanover, US	monthly low max	7.8 C (46.0 F)	1.1 C (2.0 F)	41 years	28 of 100 (Routine)
1 May 1950	Richfield Radio Ksvc, US	monthly low min	-7.8 C (18.0 F)	0.6 C (1.1 F)	41 years	28 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

1795 to 1950

Records set or tied on this calendar date in each year from 1795 to 1950. 1950 had 439 records.

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

Records on 05-01 in each year
Year	Records
1795	1
1802	1
1804	1
1814	1
1818	1
1835	1
1836	1
1840	1
1846	2
1847	1
1850	1
1851	1
1857	1
1860	1
1861	1
1864	2
1865	1
1868	2
1872	1
1875	4
1878	2
1879	2
1880	3
1881	2
1884	1
1885	1
1886	2
1887	2
1888	2
1889	3
1890	2
1891	5
1892	6
1893	2
1894	5
1896	1
1897	4
1898	1
1899	8
1900	1
1901	5
1902	7
1903	9
1904	9
1905	13
1906	12
1907	31
1908	20
1909	49
1910	13
1911	22
1912	18
1913	54
1914	23
1915	27
1916	27
1917	37
1918	34
1919	150
1920	186
1921	41
1922	92
1923	64
1924	63
1925	118
1926	500
1927	125
1928	190
1929	142
1930	263
1931	537
1932	220
1933	706
1934	305
1935	276
1936	368
1937	218
1938	304
1939	227
1940	731
1941	333
1942	1,036
1943	526
1944	229
1945	350
1946	415
1947	655
1948	774
1949	405
1950	439
1951	894
1952	557
1953	917
1954	1,506
1955	772
1956	1,106
1957	359
1958	448
1959	764
1960	737
1961	588
1962	615
1963	704
1964	312
1965	360
1966	707
1967	948
1968	426
1969	429
1970	1,075
1971	444
1972	562
1973	841
1974	589
1975	286
1976	673
1977	545
1978	1,202
1979	612
1980	507
1981	1,265
1982	508
1983	1,423
1984	640
1985	789
1986	512
1987	1,098
1988	1,058
1989	949
1990	922
1991	633
1992	1,201
1993	1,101
1994	1,210
1995	1,365
1996	1,439
1997	804
1998	951
1999	932
2000	809
2001	1,106
2002	1,221
2003	964
2004	887
2005	1,320
2006	734
2007	857
2008	979
2009	679
2010	1,151
2011	716
2012	796
2013	976
2014	941
2015	550
2016	844
2017	1,163
2018	519
2019	788
2020	1,099
2021	834
2022	319
2023	912
2024	458
2025	430
2026	623

Download the Data

Data for records on 1950-05-01: 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	310
20 to 40	19
40 to 60	3
60 to 80	3
80 to 100	1
100 to 120	0
120 to 140	0
140 to 160	1