Weather Records on 1 May 1951

894 weather records were set or tied worldwide on 1 May 1951. Highest significance: Pincher Creek Town, CA.

Key Facts for 1 May 1951

On 1 May 1951, 894 weather records were set or tied at long-record stations worldwide.
297 were record highs and 211 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 52 monthly and 841 daily.
Pincher Creek Town set an all-time record daily precipitation of 127.5 mm (5.0 in) on 1 May 1951.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 440 records.

Record Map

894 stations

894 station records on 1 May 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 May 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pincher Creek Town	Canada	Record daily precipitation	127.5 mm (5.0 in)	79 of 100 (Major)
Gangapur	India	Record daily precipitation	48.3 mm (1.9 in)	65 of 100 (Major)
Herefoss	Norway	Record snow depth	76.0 cm (29.9 in)	59 of 100 (Notable)
Risnes I Fjotland	Norway	Record snow depth	76.0 cm (29.9 in)	59 of 100 (Notable)
Partapganj	India	Record daily precipitation	63.5 mm (2.5 in)	58 of 100 (Notable)
Estherville 4E	United States	Record daily precipitation	88.9 mm (3.5 in)	57 of 100 (Notable)
Aseral	Norway	Record snow depth	70.0 cm (27.6 in)	56 of 100 (Notable)
Caldwell	Canada	Record daily precipitation	81.8 mm (3.2 in)	54 of 100 (Notable)
Nurpur	India	Record daily precipitation	55.4 mm (2.2 in)	54 of 100 (Notable)
Union City 3 SE	United States	Record daily precipitation	86.4 mm (3.4 in)	53 of 100 (Notable)
Milton Post Office	Australia	Record daily precipitation	90.7 mm (3.6 in)	49 of 100 (Notable)
Jervis Bay (Point Perpendicula	Australia	Record daily precipitation	99.1 mm (3.9 in)	48 of 100 (Notable)
Manhattan	United States	Record daily precipitation	86.4 mm (3.4 in)	48 of 100 (Notable)
Coleman	Canada	Record daily precipitation	45.0 mm (1.8 in)	46 of 100 (Notable)
Westhope	United States	Record daily precipitation	43.2 mm (1.7 in)	46 of 100 (Notable)
Voru	Estonia	Record daily precipitation	28.6 mm (1.1 in)	45 of 100 (Notable)
Tuddal	Norway	Record snow depth	89.0 cm (35.0 in)	45 of 100 (Notable)
Mykland	Norway	Record snow depth	50.0 cm (19.7 in)	45 of 100 (Notable)
Saint Ignatius	United States	Record daily snowfall	12.2 cm (4.8 in)	45 of 100 (Notable)
Guthrie 5S	United States	Record daily precipitation	58.9 mm (2.3 in)	45 of 100 (Notable)
Tiruchchirapalli	India	Record daily precipitation	68.6 mm (2.7 in)	44 of 100 (Notable)
Howard 2SE	United States	Record daily precipitation	80.0 mm (3.1 in)	44 of 100 (Notable)
Emporia 1 S	United States	Record daily precipitation	62.2 mm (2.4 in)	42 of 100 (Notable)
New London	United States	Record daily precipitation	69.1 mm (2.7 in)	42 of 100 (Notable)
Polson	United States	Record daily precipitation	29.7 mm (1.2 in)	42 of 100 (Notable)
Waurika	United States	Record daily precipitation	69.9 mm (2.8 in)	42 of 100 (Notable)
Council Grove	United States	Record daily precipitation	102.1 mm (4.0 in)	41 of 100 (Notable)
Sedan	United States	Record daily precipitation	69.9 mm (2.8 in)	41 of 100 (Notable)
Saint Ignatius	United States	Record daily precipitation	31.5 mm (1.2 in)	41 of 100 (Notable)
Strathmore	Canada	Record daily precipitation	61.0 mm (2.4 in)	40 of 100 (Notable)
Centralia	United States	Record daily precipitation	77.5 mm (3.1 in)	40 of 100 (Notable)
Blackwell 1 W	United States	Record daily precipitation	55.9 mm (2.2 in)	40 of 100 (Notable)
Bologna	Italy	Record daily precipitation	31.8 mm (1.3 in)	39 of 100 (Notable)
Uthankarai	India	Record daily precipitation	45.7 mm (1.8 in)	38 of 100 (Notable)
Sac City	United States	Record daily precipitation	46.7 mm (1.8 in)	38 of 100 (Notable)
Winfield 3NE	United States	Record daily precipitation	77.2 mm (3.0 in)	38 of 100 (Notable)
Beatrice	United States	Record daily precipitation	44.7 mm (1.8 in)	38 of 100 (Notable)
Stillwater 2 W	United States	Record daily precipitation	71.9 mm (2.8 in)	37 of 100 (Notable)
Mountain View	Canada	Record daily precipitation	43.2 mm (1.7 in)	36 of 100 (Notable)
Atlantic 1 NE	United States	Record daily precipitation	43.4 mm (1.7 in)	36 of 100 (Notable)
Albert Lea 3SE	United States	Record daily precipitation	54.1 mm (2.1 in)	36 of 100 (Notable)
Rico	United States	Record daily snowfall	12.7 cm (5.0 in)	35 of 100 (Notable)
Ottawa	United States	Record daily precipitation	56.1 mm (2.2 in)	35 of 100 (Notable)
Campsie	Canada	Record daily precipitation	34.8 mm (1.4 in)	34 of 100 (Routine)
Edson	Canada	Record daily precipitation	47.0 mm (1.9 in)	34 of 100 (Routine)
Hiriyur	India	Record daily precipitation	45.7 mm (1.8 in)	34 of 100 (Routine)
Chingleput	India	Record daily precipitation	40.9 mm (1.6 in)	34 of 100 (Routine)
Tirumangalam	India	Record daily precipitation	56.1 mm (2.2 in)	34 of 100 (Routine)
Trout Lake	United States	Record daily snowfall	25.4 cm (10.0 in)	34 of 100 (Routine)
Horton	United States	Record daily precipitation	70.1 mm (2.8 in)	34 of 100 (Routine)
Lifjell	Norway	Record snow depth	60.0 cm (23.6 in)	33 of 100 (Routine)
Neosho Rapids	United States	Record daily precipitation	56.9 mm (2.2 in)	33 of 100 (Routine)
Bird Island	United States	Record daily precipitation	55.4 mm (2.2 in)	33 of 100 (Routine)
Kalispell Glacier AP	United States	Record low maximum temperature	1.7 C (35.1 F)	33 of 100 (Routine)
Henrietta	United States	Record daily precipitation	42.9 mm (1.7 in)	33 of 100 (Routine)
Madanapalli	India	Record daily precipitation	53.3 mm (2.1 in)	32 of 100 (Routine)
Magadi	India	Record daily precipitation	44.5 mm (1.8 in)	32 of 100 (Routine)
Postmyr I Drangedal	Norway	Record snow depth	116.0 cm (45.7 in)	32 of 100 (Routine)
Hampton	United States	Record daily precipitation	35.6 mm (1.4 in)	32 of 100 (Routine)
Sedgwick	United States	Record daily precipitation	51.1 mm (2.0 in)	32 of 100 (Routine)

Counts by Type and Timescale

894 records

Records set or tied on 1 May 1951 by type: Highest daily maximum 133, Lowest daily maximum 153, Highest daily minimum 164, Lowest daily minimum 58, Heaviest daily rainfall 360, Heaviest daily snowfall 13, Deepest snow cover 13.

Records on 1 May 1951 by type
Record type	Records
Highest daily maximum	133
Lowest daily maximum	153
Highest daily minimum	164
Lowest daily minimum	58
Heaviest daily rainfall	360
Heaviest daily snowfall	13
Deepest snow cover	13

Records on 1 May 1951 by timescale: all-time 1, monthly 52, daily 841.

How Much Records Were Beaten By

729 broken records

Margins by which the 729 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 560.0. Ties are not counted.

Top 20 by Significance

1 May 1951

Top 20 records on 1 May 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 May 1951	Pincher Creek Town, CA	all-time rain	127.5 mm (5.0 in)	45.7 mm (1.8 in)	48 years	79 of 100 (Major)
1 May 1951	Gangapur, IN	monthly rain	48.3 mm (1.9 in)	30.8 mm (1.2 in)	33 years	65 of 100 (Major)
1 May 1951	Herefoss, NO	monthly snow depth	76.0 cm (29.9 in)	56.0 cm (22.0 in)	13 years	59 of 100 (Notable)
1 May 1951	Risnes I Fjotland, NO	monthly snow depth	76.0 cm (29.9 in)	36.0 cm (14.2 in)	33 years	59 of 100 (Notable)
1 May 1951	Partapganj, IN	daily rain	63.5 mm (2.5 in)	63.5 mm (2.5 in)	48 years	58 of 100 (Notable)
1 May 1951	Estherville 4E, US	daily rain	88.9 mm (3.5 in)	61.0 mm (2.4 in)	40 years	57 of 100 (Notable)
1 May 1951	Aseral, NO	monthly snow depth	70.0 cm (27.6 in)	31.0 cm (12.2 in)	33 years	56 of 100 (Notable)
1 May 1951	Caldwell, CA	daily rain	81.8 mm (3.2 in)	72.4 mm (2.9 in)	34 years	54 of 100 (Notable)
1 May 1951	Nurpur, IN	daily rain	55.4 mm (2.2 in)	49.8 mm (2.0 in)	32 years	54 of 100 (Notable)
1 May 1951	Union City 3 SE, US	daily rain	86.4 mm (3.4 in)	76.2 mm (3.0 in)	34 years	53 of 100 (Notable)
1 May 1951	Milton Post Office, AU	daily rain	90.7 mm (3.6 in)	70.4 mm (2.8 in)	48 years	49 of 100 (Notable)
1 May 1951	Jervis Bay (Point Perpendicula, AU	daily rain	99.1 mm (3.9 in)	88.7 mm (3.5 in)	12 years	48 of 100 (Notable)
1 May 1951	Manhattan, US	daily rain	86.4 mm (3.4 in)	38.4 mm (1.5 in)	52 years	48 of 100 (Notable)
1 May 1951	Coleman, CA	daily rain	45.0 mm (1.8 in)	26.5 mm (1.0 in)	36 years	46 of 100 (Notable)
1 May 1951	Westhope, US	daily rain	43.2 mm (1.7 in)	25.7 mm (1.0 in)	28 years	46 of 100 (Notable)
1 May 1951	Voru, EE	daily rain	28.6 mm (1.1 in)	18.5 mm (0.7 in)	28 years	45 of 100 (Notable)
1 May 1951	Tuddal, NO	monthly snow depth	89.0 cm (35.0 in)	29.0 cm (11.4 in)	33 years	45 of 100 (Notable)
1 May 1951	Mykland, NO	monthly snow depth	50.0 cm (19.7 in)	20.0 cm (7.9 in)	33 years	45 of 100 (Notable)
1 May 1951	Saint Ignatius, US	daily snowfall	12.2 cm (4.8 in)	12.2 cm (4.8 in)	54 years	45 of 100 (Notable)
1 May 1951	Guthrie 5S, US	daily rain	58.9 mm (2.3 in)	46.2 mm (1.8 in)	52 years	45 of 100 (Notable)

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 1951

Records set or tied on this calendar date in each year from 1795 to 1951. 1951 had 894 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 1951-05-01: 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 100	718
100 to 200	6
200 to 300	2
300 to 400	2
400 to 500	0
500 to 600	1