Weather Records on 21 May 1944

310 weather records were set or tied worldwide on 21 May 1944. Highest significance: Manfred Downs Station, AU.

Key Facts for 21 May 1944

On 21 May 1944, 310 weather records were set or tied at long-record stations worldwide.
78 were record highs and 49 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 300 daily.
Manfred Downs Station set a daily record precipitation of 41.9 mm (1.6 in) on 21 May 1944.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 461 records.

Record Map

310 stations

310 station records on 21 May 1944 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 May 1944: highest significance records shown on the map
Station	Country	Type	Value	Significance
Manfred Downs Station	Australia	Record daily precipitation	41.9 mm (1.6 in)	56 of 100 (Notable)
Lawn Hill	Australia	Record daily precipitation	110.7 mm (4.4 in)	55 of 100 (Notable)
Barkly Downs	Australia	Record daily precipitation	43.2 mm (1.7 in)	55 of 100 (Notable)
Bad Muskau	Germany	Record daily precipitation	49.2 mm (1.9 in)	50 of 100 (Notable)
Canton	United States	Record daily precipitation	54.9 mm (2.2 in)	50 of 100 (Notable)
Cork Station	Australia	Record daily precipitation	64.3 mm (2.5 in)	49 of 100 (Notable)
Dagworth Station	Australia	Record daily precipitation	46.7 mm (1.8 in)	48 of 100 (Notable)
Kynuna	Australia	Record daily precipitation	48.8 mm (1.9 in)	44 of 100 (Notable)
Beaconsfield Upper	Australia	Record daily precipitation	40.6 mm (1.6 in)	44 of 100 (Notable)
Llanrheidol Station	Australia	Record daily precipitation	53.8 mm (2.1 in)	41 of 100 (Notable)
Warren 2 ENE	United States	Record daily precipitation	74.7 mm (2.9 in)	41 of 100 (Notable)
Heinersreuth-Vollhof	Germany	Record daily precipitation	38.9 mm (1.5 in)	40 of 100 (Notable)
Julia Creek Post Office	Australia	Record daily precipitation	56.1 mm (2.2 in)	38 of 100 (Notable)
McKinlay Roadhouse	Australia	Record daily precipitation	34.3 mm (1.4 in)	38 of 100 (Notable)
Hamilton Downs	Australia	Record daily precipitation	29.5 mm (1.2 in)	38 of 100 (Notable)
Elgin	United States	Record daily precipitation	42.4 mm (1.7 in)	38 of 100 (Notable)
Glacier	Canada	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Gilliat Post Office	Australia	Record daily precipitation	54.1 mm (2.1 in)	36 of 100 (Notable)
Auckland Downs Station	Australia	Record daily precipitation	30.7 mm (1.2 in)	35 of 100 (Notable)
Consentes Station	Australia	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Goodland	United States	Record daily precipitation	34.3 mm (1.4 in)	35 of 100 (Notable)
Atlantic 1 NE	United States	Record daily precipitation	64.3 mm (2.5 in)	34 of 100 (Routine)
Cloncurry McIllwraith St	Australia	Record daily precipitation	34.3 mm (1.4 in)	33 of 100 (Routine)
Ayrshire Downs	Australia	Record daily precipitation	42.7 mm (1.7 in)	33 of 100 (Routine)
Eulolo Station	Australia	Record daily precipitation	57.4 mm (2.3 in)	32 of 100 (Routine)
Glenbervie Station	Australia	Record daily precipitation	53.3 mm (2.1 in)	31 of 100 (Routine)
Manati 2 E	Puerto Rico [United States]	Record daily precipitation	57.2 mm (2.3 in)	31 of 100 (Routine)
Inwood 2 SW	United States	Record daily precipitation	46.2 mm (1.8 in)	31 of 100 (Routine)
Mt Pleasant 1 SW	United States	Record daily precipitation	66.0 mm (2.6 in)	31 of 100 (Routine)
Oskaloosa	United States	Record daily precipitation	37.8 mm (1.5 in)	31 of 100 (Routine)
Bens Run 1 SSE	United States	Record daily precipitation	51.1 mm (2.0 in)	31 of 100 (Routine)
Maquoketa	United States	Record daily precipitation	40.1 mm (1.6 in)	29 of 100 (Routine)
S Haven	United States	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
Anthony Lagoon	Australia	Record daily precipitation	25.9 mm (1.0 in)	28 of 100 (Routine)
Winton Post Office	Australia	Record daily precipitation	28.4 mm (1.1 in)	28 of 100 (Routine)
Glenlyon Station	Australia	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Bella Coola	Canada	Record low minimum temperature	-2.8 C (27.0 F)	28 of 100 (Routine)
Anna 4 N	United States	Record daily precipitation	42.4 mm (1.7 in)	28 of 100 (Routine)
Wilmington Wb City	United States	Record high minimum temperature	22.2 C (72.0 F)	28 of 100 (Routine)
Ft Scott	United States	Record daily precipitation	74.9 mm (2.9 in)	26 of 100 (Routine)
Hawkinsville	United States	Record daily precipitation	45.5 mm (1.8 in)	25 of 100 (Routine)
Henderson	United States	Record daily precipitation	59.2 mm (2.3 in)	25 of 100 (Routine)
Talavadi	India	Record daily precipitation	57.7 mm (2.3 in)	24 of 100 (Routine)
Jeanerette 5 NW	United States	Record daily precipitation	48.0 mm (1.9 in)	24 of 100 (Routine)
Escondido	United States	Record low minimum temperature	2.2 C (36.0 F)	21 of 100 (Routine)
Palestine	United States	Record high minimum temperature	19.4 C (66.9 F)	21 of 100 (Routine)
Oolitic Purdue Ex Fm	United States	Record high minimum temperature	18.9 C (66.0 F)	21 of 100 (Routine)
Washington	United States	Record daily precipitation	36.8 mm (1.4 in)	21 of 100 (Routine)
Berlin	United States	Record low minimum temperature	-1.7 C (28.9 F)	21 of 100 (Routine)
Rowlesburg 1	United States	Record daily precipitation	34.3 mm (1.4 in)	21 of 100 (Routine)
Sitka Magnetic Obsy	United States	Record low minimum temperature	0.6 C (33.1 F)	21 of 100 (Routine)
Falun	Sweden	Record daily precipitation	20.4 mm (0.8 in)	20 of 100 (Routine)
Tallinn	Estonia	Record daily precipitation	24.3 mm (1.0 in)	20 of 100 (Routine)
Undilla Station	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Gavle	Sweden	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
Tot-Ma	Russia	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Logansport Cicott St	United States	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Manuka	Australia	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Belmont	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Eulo Post Office	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)

Counts by Type and Timescale

310 records

Records set or tied on 21 May 1944 by type: Highest daily maximum 8, Lowest daily maximum 17, Highest daily minimum 70, Lowest daily minimum 32, Heaviest daily rainfall 181, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 21 May 1944 by type
Record type	Records
Highest daily maximum	8
Lowest daily maximum	17
Highest daily minimum	70
Lowest daily minimum	32
Heaviest daily rainfall	181
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 21 May 1944 by timescale: all-time 0, monthly 10, daily 300.

How Much Records Were Beaten By

258 broken records

Margins by which the 258 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

21 May 1944

Top 20 records on 21 May 1944 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 May 1944	Manfred Downs Station, AU	daily rain	41.9 mm (1.6 in)	38.9 mm (1.5 in)	44 years	56 of 100 (Notable)
21 May 1944	Lawn Hill, AU	monthly rain	110.7 mm (4.4 in)	81.0 mm (3.2 in)	2 years	55 of 100 (Notable)
21 May 1944	Barkly Downs, AU	daily rain	43.2 mm (1.7 in)	43.2 mm (1.7 in)	39 years	55 of 100 (Notable)
21 May 1944	Bad Muskau, DE	daily rain	49.2 mm (1.9 in)	34.7 mm (1.4 in)	18 years	50 of 100 (Notable)
21 May 1944	Canton, US	daily rain	54.9 mm (2.2 in)	43.2 mm (1.7 in)	39 years	50 of 100 (Notable)
21 May 1944	Cork Station, AU	daily rain	64.3 mm (2.5 in)	62.8 mm (2.5 in)	44 years	49 of 100 (Notable)
21 May 1944	Dagworth Station, AU	daily rain	46.7 mm (1.8 in)	35.3 mm (1.4 in)	25 years	48 of 100 (Notable)
21 May 1944	Kynuna, AU	daily rain	48.8 mm (1.9 in)	39.9 mm (1.6 in)	44 years	44 of 100 (Notable)
21 May 1944	Beaconsfield Upper, AU	daily rain	40.6 mm (1.6 in)	23.1 mm (0.9 in)	26 years	44 of 100 (Notable)
21 May 1944	Llanrheidol Station, AU	daily rain	53.8 mm (2.1 in)	47.4 mm (1.9 in)	25 years	41 of 100 (Notable)
21 May 1944	Warren 2 ENE, US	daily rain	74.7 mm (2.9 in)	48.0 mm (1.9 in)	17 years	41 of 100 (Notable)
21 May 1944	Heinersreuth-Vollhof, DE	daily rain	38.9 mm (1.5 in)	18.7 mm (0.7 in)	5 years	40 of 100 (Notable)
21 May 1944	Julia Creek Post Office, AU	monthly rain	56.1 mm (2.2 in)	21.0 mm (0.8 in)	14 years	38 of 100 (Notable)
21 May 1944	McKinlay Roadhouse, AU	daily rain	34.3 mm (1.4 in)	27.2 mm (1.1 in)	44 years	38 of 100 (Notable)
21 May 1944	Hamilton Downs, AU	daily rain	29.5 mm (1.2 in)	26.2 mm (1.0 in)	25 years	38 of 100 (Notable)
21 May 1944	Elgin, US	daily rain	42.4 mm (1.7 in)	31.0 mm (1.2 in)	28 years	38 of 100 (Notable)
21 May 1944	Glacier, CA	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	50 years	37 of 100 (Notable)
21 May 1944	Gilliat Post Office, AU	monthly rain	54.1 mm (2.1 in)	19.0 mm (0.7 in)	14 years	36 of 100 (Notable)
21 May 1944	Auckland Downs Station, AU	daily rain	30.7 mm (1.2 in)	26.1 mm (1.0 in)	25 years	35 of 100 (Notable)
21 May 1944	Consentes Station, AU	monthly rain	44.5 mm (1.8 in)	15.8 mm (0.6 in)	12 years	35 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 1944

Records set or tied on this calendar date in each year from 1793 to 1944. 1944 had 310 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 1944-05-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	227
20 to 40	23
40 to 60	5
60 to 80	1
80 to 100	1
100 to 120	1