Weather Records on 1 May 1920

186 weather records were set or tied worldwide on 1 May 1920. Highest significance: Eversleigh, AU.

Key Facts for 1 May 1920

On 1 May 1920, 186 weather records were set or tied at long-record stations worldwide.
7 were record highs and 3 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 184 daily.
Eversleigh set a daily record precipitation of 32.8 mm (1.3 in) on 1 May 1920.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 444 records.

Record Map

186 stations

186 station records on 1 May 1920 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 May 1920: highest significance records shown on the map
Station	Country	Type	Value	Significance
Eversleigh	Australia	Record daily precipitation	32.8 mm (1.3 in)	55 of 100 (Notable)
Bingara (Keera)	Australia	Record daily precipitation	38.9 mm (1.5 in)	53 of 100 (Notable)
Bundarra Post Office	Australia	Record daily precipitation	36.8 mm (1.4 in)	51 of 100 (Notable)
Tenterden	Australia	Record daily precipitation	35.6 mm (1.4 in)	50 of 100 (Notable)
Boorolong	Australia	Record daily precipitation	31.0 mm (1.2 in)	49 of 100 (Notable)
Warialda Post Office	Australia	Record daily precipitation	30.5 mm (1.2 in)	47 of 100 (Notable)
Walcha Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Guyra Post Office	Australia	Record daily precipitation	26.4 mm (1.0 in)	44 of 100 (Notable)
Inverell Comparison	Australia	Record daily precipitation	25.9 mm (1.0 in)	44 of 100 (Notable)
Wollun	Australia	Record daily precipitation	28.4 mm (1.1 in)	43 of 100 (Notable)
Bingara Post Office	Australia	Record daily precipitation	31.5 mm (1.2 in)	41 of 100 (Notable)
Cuerindi	Australia	Record daily precipitation	34.5 mm (1.4 in)	41 of 100 (Notable)
Mogil Mogil (Benimora)	Australia	Record daily precipitation	32.5 mm (1.3 in)	36 of 100 (Notable)
Tamworth Airport	Australia	Record daily precipitation	25.1 mm (1.0 in)	36 of 100 (Notable)
Mein Station	Australia	Record daily precipitation	41.4 mm (1.6 in)	34 of 100 (Routine)
Wingen (Murrulla)	Australia	Record daily precipitation	28.2 mm (1.1 in)	33 of 100 (Routine)
Barraba Post Office	Australia	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Belltrees 1	Australia	Record daily precipitation	26.7 mm (1.1 in)	31 of 100 (Routine)
Blackville Post Office	Australia	Record daily precipitation	36.8 mm (1.4 in)	30 of 100 (Routine)
Murrurundi Post Office	Australia	Record daily precipitation	26.9 mm (1.1 in)	29 of 100 (Routine)
Pallal	Australia	Record daily precipitation	25.9 mm (1.0 in)	27 of 100 (Routine)
Fernleigh (St.Helena)	Australia	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Belltrees Homestead	Australia	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Moree Post Office	Australia	Record daily precipitation	26.9 mm (1.1 in)	22 of 100 (Routine)
Armidale (Radio Station 2Ad)	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Nyngan Airport	Australia	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Edgeroi	Australia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Bomera	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Gundy (Miller St)	Australia	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Angledool (Angledool Station)	Australia	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Mendooran Post Office	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Beechal	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Wee Waa (George St)	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Wallabadah	Australia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Cassilis Post Office	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Neilrex (Caigan)	Australia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Tottenham (Burdenda)	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Goonoo Goonoo Station	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Abbotslea	Australia	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Clanwilliam (Pol)	South Africa	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Gragin	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Emmaville Post Office	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Glen Innes Post Office	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Barringun	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Brewarrina Hospital	Australia	Record daily precipitation	7.9 mm (0.31 in)	20 of 100 (Routine)
Burrawang South Station	Australia	Record daily precipitation	6.9 mm (0.27 in)	20 of 100 (Routine)
Millie	Australia	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Quirindi Post Office	Australia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Emmaville (Strathbogie)	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Scone (Philip Street)	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Rokewood (the Meadows)	Australia	Record daily precipitation	6.6 mm (0.26 in)	20 of 100 (Routine)
Malin Head	Ireland	Record daily precipitation	12.6 mm (0.5 in)	20 of 100 (Routine)
Gamalally	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Warren (Mumblebone)	Australia	Record daily precipitation	9.9 mm (0.39 in)	20 of 100 (Routine)
Calga	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Cubbaroo	Australia	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Garah (Welbon)	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Blayney Post Office	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Binnaway (Hawthorne)	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Brewarrina (Talawanta)	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)

Counts by Type and Timescale

186 records

Records set or tied on 1 May 1920 by type: Highest daily maximum 2, Lowest daily maximum 2, Highest daily minimum 5, Lowest daily minimum 1, Heaviest daily rainfall 176.

Records on 1 May 1920 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	2
Highest daily minimum	5
Lowest daily minimum	1
Heaviest daily rainfall	176
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 May 1920 by timescale: all-time 0, monthly 2, daily 184.

How Much Records Were Beaten By

180 broken records

Margins by which the 180 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 38.9. Ties are not counted.

Top 20 by Significance

1 May 1920

Top 20 records on 1 May 1920 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 May 1920	Eversleigh, AU	daily rain	32.8 mm (1.3 in)	30.5 mm (1.2 in)	37 years	55 of 100 (Notable)
1 May 1920	Bingara (Keera), AU	daily rain	38.9 mm (1.5 in)	38.9 mm (1.5 in)	34 years	53 of 100 (Notable)
1 May 1920	Bundarra Post Office, AU	daily rain	36.8 mm (1.4 in)	36.8 mm (1.4 in)	36 years	51 of 100 (Notable)
1 May 1920	Tenterden, AU	daily rain	35.6 mm (1.4 in)	33.3 mm (1.3 in)	37 years	50 of 100 (Notable)
1 May 1920	Boorolong, AU	daily rain	31.0 mm (1.2 in)	28.5 mm (1.1 in)	36 years	49 of 100 (Notable)
1 May 1920	Warialda Post Office, AU	daily rain	30.5 mm (1.2 in)	30.5 mm (1.2 in)	40 years	47 of 100 (Notable)
1 May 1920	Walcha Post Office, AU	daily rain	30.0 mm (1.2 in)	26.7 mm (1.1 in)	35 years	46 of 100 (Notable)
1 May 1920	Guyra Post Office, AU	daily rain	26.4 mm (1.0 in)	25.6 mm (1.0 in)	29 years	44 of 100 (Notable)
1 May 1920	Inverell Comparison, AU	daily rain	25.9 mm (1.0 in)	25.9 mm (1.0 in)	45 years	44 of 100 (Notable)
1 May 1920	Wollun, AU	daily rain	28.4 mm (1.1 in)	27.1 mm (1.1 in)	29 years	43 of 100 (Notable)
1 May 1920	Bingara Post Office, AU	daily rain	31.5 mm (1.2 in)	31.0 mm (1.2 in)	37 years	41 of 100 (Notable)
1 May 1920	Cuerindi, AU	daily rain	34.5 mm (1.4 in)	34.0 mm (1.3 in)	26 years	41 of 100 (Notable)
1 May 1920	Mogil Mogil (Benimora), AU	daily rain	32.5 mm (1.3 in)	28.9 mm (1.1 in)	16 years	36 of 100 (Notable)
1 May 1920	Tamworth Airport, AU	daily rain	25.1 mm (1.0 in)	19.5 mm (0.8 in)	37 years	36 of 100 (Notable)
1 May 1920	Mein Station, AU	monthly rain	41.4 mm (1.6 in)	7.1 mm (0.28 in)	4 years	34 of 100 (Routine)
1 May 1920	Wingen (Murrulla), AU	daily rain	28.2 mm (1.1 in)	23.1 mm (0.9 in)	29 years	33 of 100 (Routine)
1 May 1920	Barraba Post Office, AU	daily rain	29.2 mm (1.1 in)	23.6 mm (0.9 in)	13 years	32 of 100 (Routine)
1 May 1920	Belltrees 1, AU	daily rain	26.7 mm (1.1 in)	25.4 mm (1.0 in)	18 years	31 of 100 (Routine)
1 May 1920	Blackville Post Office, AU	daily rain	36.8 mm (1.4 in)	22.8 mm (0.9 in)	21 years	30 of 100 (Routine)
1 May 1920	Murrurundi Post Office, AU	daily rain	26.9 mm (1.1 in)	17.8 mm (0.7 in)	27 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

1795 to 1920

Records set or tied on this calendar date in each year from 1795 to 1920. 1920 had 186 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 1920-05-01: 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 5	71
5 to 10	34
10 to 15	30
15 to 20	22
20 to 25	9
25 to 30	7
30 to 35	5
35 to 40	2