Weather Records on 21 May 1942

482 weather records were set or tied worldwide on 21 May 1942. Highest significance: Albemarle, US.

Key Facts for 21 May 1942

On 21 May 1942, 482 weather records were set or tied at long-record stations worldwide.
179 were record highs and 65 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 466 daily.
Albemarle set a monthly record daily precipitation of 113.0 mm (4.4 in) on 21 May 1942.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 460 records.

Record Map

482 stations

482 station records on 21 May 1942 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 May 1942: highest significance records shown on the map
Station	Country	Type	Value	Significance
Albemarle	United States	Record daily precipitation	113.0 mm (4.4 in)	59 of 100 (Notable)
Heath Springs	United States	Record daily precipitation	119.1 mm (4.7 in)	58 of 100 (Notable)
Colebrook	United States	Record daily precipitation	81.3 mm (3.2 in)	57 of 100 (Notable)
St Andrews	Australia	Record daily precipitation	43.4 mm (1.7 in)	55 of 100 (Notable)
Narrandera (Back Brewarrena)	Australia	Record daily precipitation	44.5 mm (1.8 in)	53 of 100 (Notable)
Barkers Creek Reservoir	Australia	Record daily precipitation	47.5 mm (1.9 in)	53 of 100 (Notable)
Port Dover	Canada	Record daily precipitation	39.9 mm (1.6 in)	53 of 100 (Notable)
Monroe 2 SE	United States	Record daily precipitation	74.2 mm (2.9 in)	50 of 100 (Notable)
Moorong	Australia	Record daily precipitation	42.7 mm (1.7 in)	49 of 100 (Notable)
Narrandera Post Office	Australia	Record daily precipitation	44.2 mm (1.7 in)	49 of 100 (Notable)
Kilmore Assumption College	Australia	Record daily precipitation	43.2 mm (1.7 in)	49 of 100 (Notable)
The Rock Post Office	Australia	Record daily precipitation	29.2 mm (1.1 in)	48 of 100 (Notable)
Gogeldrie	Australia	Record daily precipitation	49.5 mm (1.9 in)	46 of 100 (Notable)
Binya Post Office	Australia	Record daily precipitation	33.3 mm (1.3 in)	46 of 100 (Notable)
Wantabadgery	Australia	Record daily precipitation	39.4 mm (1.6 in)	45 of 100 (Notable)
Booligal (Belmont)	Australia	Record daily precipitation	32.8 mm (1.3 in)	44 of 100 (Notable)
Woodland Park	Australia	Record daily precipitation	27.4 mm (1.1 in)	43 of 100 (Notable)
Ellerslie	Australia	Record daily precipitation	42.4 mm (1.7 in)	41 of 100 (Notable)
Gordon	United States	Record daily precipitation	68.3 mm (2.7 in)	41 of 100 (Notable)
Roanoke	United States	Record daily precipitation	58.4 mm (2.3 in)	41 of 100 (Notable)
Argalong (the Farm)	Australia	Record daily precipitation	48.0 mm (1.9 in)	40 of 100 (Notable)
Currajong	Australia	Record daily precipitation	35.8 mm (1.4 in)	40 of 100 (Notable)
Ganmain (Dullah Dullah)	Australia	Record daily precipitation	38.6 mm (1.5 in)	40 of 100 (Notable)
Darlington Point (Tubbo)	Australia	Record daily precipitation	34.8 mm (1.4 in)	39 of 100 (Notable)
Morganton	United States	Record daily precipitation	51.6 mm (2.0 in)	39 of 100 (Notable)
Cavan	Australia	Record daily precipitation	36.3 mm (1.4 in)	38 of 100 (Notable)
Kinglake West (Wallaby Creek)	Australia	Record daily precipitation	39.9 mm (1.6 in)	38 of 100 (Notable)
Natue	Australia	Record daily precipitation	28.2 mm (1.1 in)	37 of 100 (Notable)
Forbes (Camp Street)	Australia	Record high minimum temperature	15.7 C (60.3 F)	37 of 100 (Notable)
Lockhart Bowling Club	Australia	Record daily precipitation	27.2 mm (1.1 in)	37 of 100 (Notable)
Groongal (Groongal Station)	Australia	Record daily precipitation	36.8 mm (1.4 in)	37 of 100 (Notable)
Darlington Point (St Pauls Clo	Australia	Record daily precipitation	36.1 mm (1.4 in)	37 of 100 (Notable)
Dandaloo (Skye)	Australia	Record daily precipitation	28.2 mm (1.1 in)	36 of 100 (Notable)
Old Junee (Millbank)	Australia	Record daily precipitation	26.2 mm (1.0 in)	36 of 100 (Notable)
Yanco (Billinbah East)	Australia	Record daily precipitation	50.0 mm (2.0 in)	36 of 100 (Notable)
Tolmie (Langley)	Australia	Record daily precipitation	33.3 mm (1.3 in)	36 of 100 (Notable)
Clydebank	Australia	Record daily precipitation	28.2 mm (1.1 in)	36 of 100 (Notable)
Argoon	Australia	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Yarran	Australia	Record daily precipitation	31.2 mm (1.2 in)	35 of 100 (Notable)
Hay (Corrong)	Australia	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Ashland	United States	Record high minimum temperature	18.9 C (66.0 F)	35 of 100 (Notable)
Gundagai	Australia	Record daily precipitation	40.9 mm (1.6 in)	34 of 100 (Routine)
Novorossijsk	Russia	Record daily precipitation	52.0 mm (2.0 in)	34 of 100 (Routine)
Aiken 5SE	United States	Record daily precipitation	50.5 mm (2.0 in)	34 of 100 (Routine)
Tarcutta (Wollumbi)	Australia	Record daily precipitation	29.5 mm (1.2 in)	33 of 100 (Routine)
Thelangerin East	Australia	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Eldorado	Australia	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Kilmore (Bylands)	Australia	Record daily precipitation	44.5 mm (1.8 in)	33 of 100 (Routine)
Prickley Range	Australia	Record daily precipitation	26.9 mm (1.1 in)	32 of 100 (Routine)
Aberfeldy	Australia	Record daily precipitation	48.8 mm (1.9 in)	32 of 100 (Routine)
Szombathely	Hungary	Record daily precipitation	49.7 mm (2.0 in)	32 of 100 (Routine)
Hatfield (Clare)	Australia	Record daily precipitation	27.4 mm (1.1 in)	31 of 100 (Routine)
Benerembah	Australia	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Hay (Mulberrygong)	Australia	Record daily precipitation	39.4 mm (1.6 in)	31 of 100 (Routine)
Falls City 2 SSW	United States	Record high minimum temperature	13.3 C (55.9 F)	31 of 100 (Routine)
Bourke Post Office	Australia	Record high minimum temperature	17.8 C (64.0 F)	30 of 100 (Routine)
Adelong Post Office	Australia	Record daily precipitation	42.9 mm (1.7 in)	30 of 100 (Routine)
Matong (Bonnie Doon)	Australia	Record daily precipitation	48.3 mm (1.9 in)	30 of 100 (Routine)
Grong Grong (Junee St)	Australia	Record daily precipitation	43.2 mm (1.7 in)	30 of 100 (Routine)
Groongal (Gundaline)	Australia	Record daily precipitation	36.1 mm (1.4 in)	30 of 100 (Routine)

Counts by Type and Timescale

482 records

Records set or tied on 21 May 1942 by type: Highest daily maximum 55, Lowest daily maximum 21, Highest daily minimum 124, Lowest daily minimum 44, Heaviest daily rainfall 238.

Records on 21 May 1942 by type
Record type	Records
Highest daily maximum	55
Lowest daily maximum	21
Highest daily minimum	124
Lowest daily minimum	44
Heaviest daily rainfall	238
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 May 1942 by timescale: all-time 0, monthly 16, daily 466.

How Much Records Were Beaten By

389 broken records

Margins by which the 389 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 46.2. Ties are not counted.

Top 20 by Significance

21 May 1942

Top 20 records on 21 May 1942 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 May 1942	Albemarle, US	monthly rain	113.0 mm (4.4 in)	46.2 mm (1.8 in)	21 years	59 of 100 (Notable)
21 May 1942	Heath Springs, US	monthly rain	119.1 mm (4.7 in)	42.9 mm (1.7 in)	33 years	58 of 100 (Notable)
21 May 1942	Colebrook, US	monthly rain	81.3 mm (3.2 in)	33.5 mm (1.3 in)	14 years	57 of 100 (Notable)
21 May 1942	St Andrews, AU	daily rain	43.4 mm (1.7 in)	30.4 mm (1.2 in)	45 years	55 of 100 (Notable)
21 May 1942	Narrandera (Back Brewarrena), AU	daily rain	44.5 mm (1.8 in)	28.8 mm (1.1 in)	45 years	53 of 100 (Notable)
21 May 1942	Barkers Creek Reservoir, AU	daily rain	47.5 mm (1.9 in)	34.0 mm (1.3 in)	20 years	53 of 100 (Notable)
21 May 1942	Port Dover, CA	daily rain	39.9 mm (1.6 in)	21.1 mm (0.8 in)	58 years	53 of 100 (Notable)
21 May 1942	Monroe 2 SE, US	daily rain	74.2 mm (2.9 in)	39.7 mm (1.6 in)	40 years	50 of 100 (Notable)
21 May 1942	Moorong, AU	daily rain	42.7 mm (1.7 in)	35.8 mm (1.4 in)	20 years	49 of 100 (Notable)
21 May 1942	Narrandera Post Office, AU	daily rain	44.2 mm (1.7 in)	26.7 mm (1.1 in)	45 years	49 of 100 (Notable)
21 May 1942	Kilmore Assumption College, AU	daily rain	43.2 mm (1.7 in)	21.9 mm (0.9 in)	52 years	49 of 100 (Notable)
21 May 1942	The Rock Post Office, AU	daily rain	29.2 mm (1.1 in)	18.5 mm (0.7 in)	45 years	48 of 100 (Notable)
21 May 1942	Gogeldrie, AU	daily rain	49.5 mm (1.9 in)	38.1 mm (1.5 in)	4 years	46 of 100 (Notable)
21 May 1942	Binya Post Office, AU	daily rain	33.3 mm (1.3 in)	23.4 mm (0.9 in)	45 years	46 of 100 (Notable)
21 May 1942	Wantabadgery, AU	daily rain	39.4 mm (1.6 in)	23.1 mm (0.9 in)	45 years	45 of 100 (Notable)
21 May 1942	Booligal (Belmont), AU	daily rain	32.8 mm (1.3 in)	23.9 mm (0.9 in)	45 years	44 of 100 (Notable)
21 May 1942	Woodland Park, AU	daily rain	27.4 mm (1.1 in)	17.5 mm (0.7 in)	45 years	43 of 100 (Notable)
21 May 1942	Ellerslie, AU	daily rain	42.4 mm (1.7 in)	31.7 mm (1.2 in)	17 years	41 of 100 (Notable)
21 May 1942	Gordon, US	daily rain	68.3 mm (2.7 in)	35.3 mm (1.4 in)	11 years	41 of 100 (Notable)
21 May 1942	Roanoke, US	daily rain	58.4 mm (2.3 in)	37.3 mm (1.5 in)	17 years	41 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

1793 to 1942

Records set or tied on this calendar date in each year from 1793 to 1942. 1942 had 482 records.

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

Records on 05-21 in each year
Year	Records
1793	1
1795	1
1811	1
1837	2
1842	1
1847	2
1854	1
1857	1
1858	1
1865	1
1866	1
1870	2
1875	1
1876	1
1880	2
1882	1
1885	1
1886	2
1887	3
1889	5
1890	3
1891	6
1892	1
1893	1
1894	4
1895	4
1896	5
1897	2
1898	1
1899	5
1900	1
1901	3
1902	4
1903	26
1904	8
1905	7
1906	12
1907	36
1908	13
1909	13
1910	14
1911	87
1912	24
1913	13
1914	26
1915	24
1916	13
1917	76
1918	51
1919	170
1920	39
1921	158
1922	39
1923	125
1924	148
1925	250
1926	221
1927	207
1928	173
1929	247
1930	133
1931	488
1932	343
1933	290
1934	590
1935	190
1936	328
1937	227
1938	348
1939	355
1940	456
1941	525
1942	482
1943	463
1944	310
1945	515
1946	324
1947	485
1948	312
1949	593
1950	403
1951	271
1952	385
1953	501
1954	961
1955	507
1956	409
1957	709
1958	511
1959	684
1960	615
1961	306
1962	553
1963	598
1964	788
1965	238
1966	296
1967	1,022
1968	549
1969	832
1970	449
1971	536
1972	557
1973	493
1974	847
1975	1,160
1976	393
1977	756
1978	575
1979	787
1980	857
1981	1,550
1982	599
1983	1,106
1984	950
1985	610
1986	908
1987	1,242
1988	819
1989	671
1990	947
1991	1,065
1992	1,143
1993	1,197
1994	656
1995	749
1996	1,461
1997	953
1998	1,200
1999	544
2000	897
2001	1,187
2002	2,048
2003	807
2004	898
2005	1,020
2006	810
2007	894
2008	740
2009	1,315
2010	962
2011	959
2012	848
2013	884
2014	522
2015	956
2016	567
2017	780
2018	525
2019	1,668
2020	707
2021	1,131
2022	1,512
2023	794
2024	751
2025	776
2026	356

Download the Data

Data for records on 1942-05-21: 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 2026-10-15 (15 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).

Histogram of margins by which records were beaten on 21 May 1942
Margin	Records
0 to 10	291
10 to 20	64
20 to 30	21
30 to 40	11
40 to 50	2