Weather Records on 1 May 1949

405 weather records were set or tied worldwide on 1 May 1949. Highest significance: Bandon 2 NNE, US.

Key Facts for 1 May 1949

On 1 May 1949, 405 weather records were set or tied at long-record stations worldwide.
140 were record highs and 50 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 23 monthly and 382 daily.
Bandon 2 NNE set a monthly record daily precipitation of 60.7 mm (2.4 in) on 1 May 1949.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 443 records.

Record Map

405 stations

405 station records on 1 May 1949 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 May 1949: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bandon 2 NNE	United States	Record daily precipitation	60.7 mm (2.4 in)	64 of 100 (Major)
Hood Rvr Exp STN	United States	Record daily precipitation	31.5 mm (1.2 in)	60 of 100 (Major)
Swan Hill (Murray Downs)	Australia	Record daily precipitation	55.6 mm (2.2 in)	58 of 100 (Notable)
Cottage Grove 2E	United States	Record daily precipitation	55.9 mm (2.2 in)	58 of 100 (Notable)
Estacada 2 SE	United States	Record daily precipitation	67.1 mm (2.6 in)	56 of 100 (Notable)
Portland Rfc City	United States	Record daily precipitation	37.1 mm (1.5 in)	52 of 100 (Notable)
Loxton	Australia	Record daily precipitation	27.9 mm (1.1 in)	50 of 100 (Notable)
Brookings	United States	Record daily precipitation	113.5 mm (4.5 in)	46 of 100 (Notable)
Cascade Locks	United States	Record daily precipitation	69.3 mm (2.7 in)	44 of 100 (Notable)
Port Orford 2	United States	Record daily precipitation	81.0 mm (3.2 in)	44 of 100 (Notable)
Kosmos	United States	Record daily precipitation	41.9 mm (1.6 in)	43 of 100 (Notable)
Waikerie	Australia	Record daily precipitation	36.1 mm (1.4 in)	42 of 100 (Notable)
Mena	United States	Record daily precipitation	100.3 mm (3.9 in)	42 of 100 (Notable)
Chandler	United States	Record daily precipitation	50.8 mm (2.0 in)	40 of 100 (Notable)
Pauls Valley 4 WSW	United States	Record daily precipitation	71.1 mm (2.8 in)	40 of 100 (Notable)
Detroit	United States	Record daily precipitation	45.0 mm (1.8 in)	40 of 100 (Notable)
Zigzag Rs	United States	Record daily precipitation	48.8 mm (1.9 in)	40 of 100 (Notable)
Holdenville 2SSE	United States	Record daily precipitation	65.0 mm (2.6 in)	39 of 100 (Notable)
Headworks Portland Wtr B	United States	Record daily precipitation	61.7 mm (2.4 in)	39 of 100 (Notable)
Mandan Exp STN	United States	Record daily precipitation	38.4 mm (1.5 in)	38 of 100 (Notable)
Ada	United States	Record daily precipitation	89.9 mm (3.5 in)	38 of 100 (Notable)
Antlers	United States	Record daily precipitation	147.6 mm (5.8 in)	38 of 100 (Notable)
Claremore 2 ENE	United States	Record daily precipitation	56.6 mm (2.2 in)	38 of 100 (Notable)
Tahlequah	United States	Record daily precipitation	48.3 mm (1.9 in)	38 of 100 (Notable)
Stave Falls	Canada	Record daily precipitation	41.4 mm (1.6 in)	36 of 100 (Notable)
Abilene	United States	Record daily precipitation	35.8 mm (1.4 in)	36 of 100 (Notable)
Forest Grove	United States	Record daily precipitation	35.1 mm (1.4 in)	36 of 100 (Notable)
Mt Ida 3 SE	United States	Record daily precipitation	83.8 mm (3.3 in)	35 of 100 (Notable)
Marlow 1 WSW	United States	Record daily precipitation	58.9 mm (2.3 in)	35 of 100 (Notable)
Drain	United States	Record daily precipitation	48.3 mm (1.9 in)	35 of 100 (Notable)
Mc Minnville	United States	Record daily precipitation	31.5 mm (1.2 in)	35 of 100 (Notable)
Taldra	Australia	Record daily precipitation	33.0 mm (1.3 in)	34 of 100 (Routine)
Lindsborg 3E	United States	Record daily precipitation	48.3 mm (1.9 in)	34 of 100 (Routine)
Longmire Rainier Nps	United States	Record daily precipitation	36.8 mm (1.4 in)	34 of 100 (Routine)
Salem AP (McNary Field)	United States	Record daily precipitation	33.0 mm (1.3 in)	34 of 100 (Routine)
Barmera (Cobdogla)	Australia	Record daily precipitation	28.4 mm (1.1 in)	33 of 100 (Routine)
Midnapore	India	Record daily precipitation	66.0 mm (2.6 in)	33 of 100 (Routine)
Canton 4N	United States	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Lawton	United States	Record daily precipitation	58.4 mm (2.3 in)	31 of 100 (Routine)
Wichita Mtn Wr	United States	Record daily precipitation	42.7 mm (1.7 in)	31 of 100 (Routine)
N Bend SW Oregon Rgnl AP	United States	Record daily precipitation	51.8 mm (2.0 in)	31 of 100 (Routine)
Maranguape	Brazil	Record daily precipitation	52.5 mm (2.1 in)	30 of 100 (Routine)
Quebec	Canada	Record high maximum temperature	28.3 C (82.9 F)	30 of 100 (Routine)
Raton	United States	Record daily precipitation	38.1 mm (1.5 in)	30 of 100 (Routine)
Toledo Blade	United States	Record daily precipitation	44.5 mm (1.8 in)	30 of 100 (Routine)
Corvallis State UNIV	United States	Record daily precipitation	26.2 mm (1.0 in)	30 of 100 (Routine)
Tulsa	United States	Record daily precipitation	40.6 mm (1.6 in)	29 of 100 (Routine)
Fernie	Canada	Record daily precipitation	27.4 mm (1.1 in)	28 of 100 (Routine)
Eastman 1 W	United States	Record daily precipitation	48.8 mm (1.9 in)	28 of 100 (Routine)
Shawnee	United States	Record daily precipitation	36.1 mm (1.4 in)	28 of 100 (Routine)
White Salmon 4 NNE	United States	Record daily precipitation	34.5 mm (1.4 in)	28 of 100 (Routine)
Stoneville Exp STN	United States	Record daily precipitation	65.5 mm (2.6 in)	27 of 100 (Routine)
Parkdale	United States	Record daily precipitation	43.2 mm (1.7 in)	27 of 100 (Routine)
Sfax El-Maou	Tunisia	Record high minimum temperature	18.6 C (65.5 F)	26 of 100 (Routine)
Trousdale 1 NE	United States	Record daily precipitation	49.5 mm (1.9 in)	26 of 100 (Routine)
Hvar	Croatia	Record high minimum temperature	18.7 C (65.7 F)	25 of 100 (Routine)
T.Narsipur	India	Record daily precipitation	26.7 mm (1.1 in)	25 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record high maximum temperature	26.0 C (78.8 F)	25 of 100 (Routine)
Athens	United States	Record low maximum temperature	16.1 C (61.0 F)	25 of 100 (Routine)
Minneapolis	United States	Record daily precipitation	39.1 mm (1.5 in)	25 of 100 (Routine)

Counts by Type and Timescale

405 records

Records set or tied on 1 May 1949 by type: Highest daily maximum 71, Lowest daily maximum 28, Highest daily minimum 69, Lowest daily minimum 22, Heaviest daily rainfall 213, Heaviest daily snowfall 2.

Records on 1 May 1949 by type
Record type	Records
Highest daily maximum	71
Lowest daily maximum	28
Highest daily minimum	69
Lowest daily minimum	22
Heaviest daily rainfall	213
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 1 May 1949 by timescale: all-time 0, monthly 23, daily 382.

How Much Records Were Beaten By

338 broken records

Margins by which the 338 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 56.0. Ties are not counted.

Top 20 by Significance

1 May 1949

Top 20 records on 1 May 1949 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 May 1949	Bandon 2 NNE, US	monthly rain	60.7 mm (2.4 in)	20.8 mm (0.8 in)	48 years	64 of 100 (Major)
1 May 1949	Hood Rvr Exp STN, US	daily rain	31.5 mm (1.2 in)	24.1 mm (0.9 in)	52 years	60 of 100 (Major)
1 May 1949	Swan Hill (Murray Downs), AU	daily rain	55.6 mm (2.2 in)	34.3 mm (1.4 in)	36 years	58 of 100 (Notable)
1 May 1949	Cottage Grove 2E, US	monthly rain	55.9 mm (2.2 in)	26.4 mm (1.0 in)	16 years	58 of 100 (Notable)
1 May 1949	Estacada 2 SE, US	monthly rain	67.1 mm (2.6 in)	33.6 mm (1.3 in)	7 years	56 of 100 (Notable)
1 May 1949	Portland Rfc City, US	daily rain	37.1 mm (1.5 in)	24.1 mm (0.9 in)	18 years	52 of 100 (Notable)
1 May 1949	Loxton, AU	daily rain	27.9 mm (1.1 in)	21.5 mm (0.8 in)	23 years	50 of 100 (Notable)
1 May 1949	Brookings, US	monthly rain	113.5 mm (4.5 in)	40.1 mm (1.6 in)	5 years	46 of 100 (Notable)
1 May 1949	Cascade Locks, US	monthly rain	69.3 mm (2.7 in)	14.9 mm (0.6 in)	38 years	44 of 100 (Notable)
1 May 1949	Port Orford 2, US	monthly rain	81.0 mm (3.2 in)	17.5 mm (0.7 in)	42 years	44 of 100 (Notable)
1 May 1949	Kosmos, US	monthly rain	41.9 mm (1.6 in)	9.6 mm (0.38 in)	40 years	43 of 100 (Notable)
1 May 1949	Waikerie, AU	monthly rain	36.1 mm (1.4 in)	8.9 mm (0.35 in)	30 years	42 of 100 (Notable)
1 May 1949	Mena, US	daily rain	100.3 mm (3.9 in)	37.8 mm (1.5 in)	50 years	42 of 100 (Notable)
1 May 1949	Chandler, US	daily rain	50.8 mm (2.0 in)	40.6 mm (1.6 in)	47 years	40 of 100 (Notable)
1 May 1949	Pauls Valley 4 WSW, US	daily rain	71.1 mm (2.8 in)	50.5 mm (2.0 in)	32 years	40 of 100 (Notable)
1 May 1949	Detroit, US	daily rain	45.0 mm (1.8 in)	16.6 mm (0.7 in)	52 years	40 of 100 (Notable)
1 May 1949	Zigzag Rs, US	daily rain	48.8 mm (1.9 in)	24.4 mm (1.0 in)	26 years	40 of 100 (Notable)
1 May 1949	Holdenville 2SSE, US	daily rain	65.0 mm (2.6 in)	43.2 mm (1.7 in)	47 years	39 of 100 (Notable)
1 May 1949	Headworks Portland Wtr B, US	daily rain	61.7 mm (2.4 in)	28.2 mm (1.1 in)	7 years	39 of 100 (Notable)
1 May 1949	Mandan Exp STN, US	daily rain	38.4 mm (1.5 in)	22.1 mm (0.9 in)	26 years	38 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 1949

Records set or tied on this calendar date in each year from 1795 to 1949. 1949 had 405 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 1949-05-01: 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 10	256
10 to 20	41
20 to 30	22
30 to 40	9
40 to 50	6
50 to 60	4