Weather Records on 20 May 1944

315 weather records were set or tied worldwide on 20 May 1944. Highest significance: Audubon, US.

Key Facts for 20 May 1944

On 20 May 1944, 315 weather records were set or tied at long-record stations worldwide.
82 were record highs and 87 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 3 monthly and 311 daily.
Audubon set a daily record precipitation of 76.2 mm (3.0 in) on 20 May 1944.
Across 162 earlier years (1802 to 2026) the same calendar date averaged 456 records.

Record Map

315 stations

315 station records on 20 May 1944 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 May 1944: highest significance records shown on the map
Station	Country	Type	Value	Significance
Audubon	United States	Record daily precipitation	76.2 mm (3.0 in)	58 of 100 (Notable)
Forestburg 4 NNE	United States	Record daily precipitation	72.1 mm (2.8 in)	45 of 100 (Notable)
Toledo 3N	United States	Record daily precipitation	58.4 mm (2.3 in)	43 of 100 (Notable)
Chain of Lagoons	Australia	Record daily precipitation	47.2 mm (1.9 in)	40 of 100 (Notable)
Dwingelo	Netherlands	Record daily precipitation	25.8 mm (1.0 in)	40 of 100 (Notable)
Guthrie Ctr	United States	Record daily precipitation	122.4 mm (4.8 in)	39 of 100 (Notable)
Baandee	Australia	Record daily precipitation	29.2 mm (1.1 in)	38 of 100 (Notable)
Tirukkattupalli	India	Record daily precipitation	74.9 mm (2.9 in)	35 of 100 (Notable)
Longview	United States	Record daily precipitation	69.9 mm (2.8 in)	33 of 100 (Routine)
Le Claire	United States	Record daily precipitation	43.7 mm (1.7 in)	32 of 100 (Routine)
Plain Dealing	United States	Record daily precipitation	60.5 mm (2.4 in)	32 of 100 (Routine)
Weeping Water	United States	Record daily precipitation	68.1 mm (2.7 in)	32 of 100 (Routine)
Centerville 6 SE	United States	Record daily precipitation	88.9 mm (3.5 in)	32 of 100 (Routine)
Golaghat	India	Record daily precipitation	61.0 mm (2.4 in)	31 of 100 (Routine)
Mayuram	India	Record daily precipitation	73.7 mm (2.9 in)	31 of 100 (Routine)
Catawba	United States	Record daily precipitation	49.8 mm (2.0 in)	31 of 100 (Routine)
College STN 6 SW	United States	Record daily precipitation	76.7 mm (3.0 in)	31 of 100 (Routine)
West Bend	United States	Record daily precipitation	43.9 mm (1.7 in)	30 of 100 (Routine)
Brockville	Canada	Record low minimum temperature	-0.6 C (30.9 F)	29 of 100 (Routine)
Kilanilai	India	Record daily precipitation	56.1 mm (2.2 in)	29 of 100 (Routine)
New Martinsville 4 NNE	United States	Record daily precipitation	48.3 mm (1.9 in)	29 of 100 (Routine)
Humboldt	Canada	Record high minimum temperature	18.9 C (66.0 F)	28 of 100 (Routine)
Turuvekere	India	Record daily precipitation	57.2 mm (2.3 in)	28 of 100 (Routine)
Dennison Wtr Wks	United States	Record daily precipitation	25.1 mm (1.0 in)	28 of 100 (Routine)
Milledgeville	United States	Record daily precipitation	45.7 mm (1.8 in)	26 of 100 (Routine)
Marshalltown	United States	Record daily precipitation	85.1 mm (3.4 in)	26 of 100 (Routine)
Sedan	United States	Record daily precipitation	72.4 mm (2.9 in)	26 of 100 (Routine)
Auckland Downs Station	Australia	Record daily precipitation	35.6 mm (1.4 in)	25 of 100 (Routine)
Thiruthuraipoond	India	Record daily precipitation	65.5 mm (2.6 in)	25 of 100 (Routine)
Grundy Ctr	United States	Record daily precipitation	38.1 mm (1.5 in)	25 of 100 (Routine)
Indianola 1SW	United States	Record daily precipitation	37.1 mm (1.5 in)	25 of 100 (Routine)
Pawhuska	United States	Record daily precipitation	62.5 mm (2.5 in)	25 of 100 (Routine)
Brome	Canada	Record low minimum temperature	-4.4 C (24.1 F)	24 of 100 (Routine)
Gardiner	United States	Record low minimum temperature	-1.1 C (30.0 F)	24 of 100 (Routine)
Tiruvarur	India	Record daily precipitation	58.9 mm (2.3 in)	23 of 100 (Routine)
Boone	United States	Record daily precipitation	34.5 mm (1.4 in)	23 of 100 (Routine)
Webster City	United States	Record daily precipitation	48.3 mm (1.9 in)	23 of 100 (Routine)
Lowville	United States	Record low minimum temperature	-2.8 C (27.0 F)	23 of 100 (Routine)
Raiford State Prison	United States	Record high maximum temperature	36.1 C (97.0 F)	22 of 100 (Routine)
Clontarf	Canada	Record low minimum temperature	-2.8 C (27.0 F)	21 of 100 (Routine)
Krishnarajnagar	India	Record daily precipitation	80.0 mm (3.1 in)	21 of 100 (Routine)
Kattumannarkoil	India	Record daily precipitation	51.6 mm (2.0 in)	21 of 100 (Routine)
Clinton 2	United States	Record daily precipitation	37.1 mm (1.5 in)	21 of 100 (Routine)
Chambers	United States	Record daily precipitation	54.9 mm (2.2 in)	21 of 100 (Routine)
Franklin	United States	Record low minimum temperature	-3.3 C (26.1 F)	21 of 100 (Routine)
Woodstock	United States	Record low minimum temperature	-3.3 C (26.1 F)	21 of 100 (Routine)
Elliston	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Ter Apel	Netherlands	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Gysinge	Sweden	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Eucla	Australia	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Wando Vale Station	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Tulbagh (Pol)	South Africa	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Naboomspruit (Pol)	South Africa	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Cowley Station	Australia	Record daily precipitation	6.4 mm (0.25 in)	20 of 100 (Routine)
Danger Point - Vrt.	South Africa	Record daily precipitation	18.2 mm (0.7 in)	20 of 100 (Routine)
Cyferfontein	South Africa	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Mistassini Post	Canada	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Tylden "Tulden"	South Africa	Record daily precipitation	2.5 mm (0.10 in)	20 of 100 (Routine)
Streaky Bay	Australia	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Bargarh	India	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)

Counts by Type and Timescale

315 records

Records set or tied on 20 May 1944 by type: Highest daily maximum 36, Lowest daily maximum 25, Highest daily minimum 46, Lowest daily minimum 62, Heaviest daily rainfall 141, Heaviest daily snowfall 5.

Records on 20 May 1944 by type
Record type	Records
Highest daily maximum	36
Lowest daily maximum	25
Highest daily minimum	46
Lowest daily minimum	62
Heaviest daily rainfall	141
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 20 May 1944 by timescale: all-time 1, monthly 3, daily 311.

How Much Records Were Beaten By

244 broken records

Margins by which the 244 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 54.1. Ties are not counted.

Top 20 by Significance

20 May 1944

Top 20 records on 20 May 1944 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 May 1944	Audubon, US	daily rain	76.2 mm (3.0 in)	48.0 mm (1.9 in)	44 years	58 of 100 (Notable)
20 May 1944	Forestburg 4 NNE, US	daily rain	72.1 mm (2.8 in)	40.9 mm (1.6 in)	30 years	45 of 100 (Notable)
20 May 1944	Toledo 3N, US	daily rain	58.4 mm (2.3 in)	34.8 mm (1.4 in)	31 years	43 of 100 (Notable)
20 May 1944	Chain of Lagoons, AU	daily rain	47.2 mm (1.9 in)	37.0 mm (1.5 in)	21 years	40 of 100 (Notable)
20 May 1944	Dwingelo, NL	daily rain	25.8 mm (1.0 in)	16.3 mm (0.6 in)	12 years	40 of 100 (Notable)
20 May 1944	Guthrie Ctr, US	all-time rain	122.4 mm (4.8 in)	11.7 mm (0.5 in)	18 years	39 of 100 (Notable)
20 May 1944	Baandee, AU	daily rain	29.2 mm (1.1 in)	18.8 mm (0.7 in)	36 years	38 of 100 (Notable)
20 May 1944	Tirukkattupalli, IN	daily rain	74.9 mm (2.9 in)	49.0 mm (1.9 in)	40 years	35 of 100 (Notable)
20 May 1944	Longview, US	daily rain	69.9 mm (2.8 in)	41.5 mm (1.6 in)	9 years	33 of 100 (Routine)
20 May 1944	Le Claire, US	daily rain	43.7 mm (1.7 in)	19.3 mm (0.8 in)	29 years	32 of 100 (Routine)
20 May 1944	Plain Dealing, US	daily rain	60.5 mm (2.4 in)	23.9 mm (0.9 in)	47 years	32 of 100 (Routine)
20 May 1944	Weeping Water, US	daily rain	68.1 mm (2.7 in)	21.6 mm (0.9 in)	31 years	32 of 100 (Routine)
20 May 1944	Centerville 6 SE, US	monthly rain	88.9 mm (3.5 in)	11.9 mm (0.5 in)	29 years	32 of 100 (Routine)
20 May 1944	Golaghat, IN	daily rain	61.0 mm (2.4 in)	25.4 mm (1.0 in)	38 years	31 of 100 (Routine)
20 May 1944	Mayuram, IN	daily rain	73.7 mm (2.9 in)	54.1 mm (2.1 in)	41 years	31 of 100 (Routine)
20 May 1944	Catawba, US	daily rain	49.8 mm (2.0 in)	24.4 mm (1.0 in)	31 years	31 of 100 (Routine)
20 May 1944	College STN 6 SW, US	daily rain	76.7 mm (3.0 in)	44.2 mm (1.7 in)	16 years	31 of 100 (Routine)
20 May 1944	West Bend, US	daily rain	43.9 mm (1.7 in)	20.0 mm (0.8 in)	31 years	30 of 100 (Routine)
20 May 1944	Brockville, CA	daily low min	-0.6 C (30.9 F)	0.6 C (1.1 F)	70 years	29 of 100 (Routine)
20 May 1944	Kilanilai, IN	daily rain	56.1 mm (2.2 in)	28.2 mm (1.1 in)	41 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

1802 to 1944

Records set or tied on this calendar date in each year from 1802 to 1944. 1944 had 315 records.

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

Records on 05-20 in each year
Year	Records
1802	1
1803	1
1804	1
1815	1
1825	1
1837	1
1844	1
1845	3
1847	1
1854	1
1858	3
1861	1
1862	1
1865	1
1867	1
1868	2
1870	3
1871	2
1876	2
1877	3
1879	1
1880	2
1884	2
1885	1
1887	2
1889	3
1890	3
1891	5
1892	3
1893	1
1894	6
1895	3
1896	3
1897	3
1898	4
1899	4
1900	1
1901	5
1902	11
1903	19
1904	4
1905	4
1906	22
1907	35
1908	23
1909	10
1910	20
1911	82
1912	20
1913	10
1914	16
1915	42
1916	29
1917	46
1918	92
1919	56
1920	44
1921	234
1922	40
1923	125
1924	189
1925	251
1926	128
1927	118
1928	138
1929	323
1930	129
1931	451
1932	689
1933	449
1934	582
1935	259
1936	207
1937	270
1938	331
1939	266
1940	337
1941	378
1942	337
1943	802
1944	315
1945	498
1946	339
1947	358
1948	514
1949	586
1950	327
1951	288
1952	615
1953	518
1954	822
1955	421
1956	565
1957	728
1958	378
1959	785
1960	612
1961	333
1962	773
1963	732
1964	517
1965	200
1966	416
1967	587
1968	743
1969	885
1970	310
1971	653
1972	612
1973	419
1974	893
1975	1,332
1976	837
1977	553
1978	534
1979	683
1980	751
1981	1,540
1982	554
1983	1,307
1984	867
1985	426
1986	790
1987	1,036
1988	805
1989	764
1990	722
1991	925
1992	1,200
1993	1,208
1994	778
1995	734
1996	1,749
1997	1,106
1998	1,124
1999	673
2000	991
2001	847
2002	2,299
2003	1,201
2004	746
2005	929
2006	1,006
2007	565
2008	999
2009	1,529
2010	1,011
2011	1,117
2012	604
2013	919
2014	629
2015	1,001
2016	692
2017	1,214
2018	460
2019	1,483
2020	784
2021	904
2022	1,643
2023	1,106
2024	478
2025	969
2026	696

Download the Data

Data for records on 1944-05-20: 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).

Histogram of margins by which records were beaten on 20 May 1944
Margin	Records
0 to 10	191
10 to 20	28
20 to 30	14
30 to 40	5
40 to 50	5
50 to 60	1