Weather Records on 31 May 1944

372 weather records were set or tied worldwide on 31 May 1944. Highest significance: Galway, IE.

Key Facts for 31 May 1944

On 31 May 1944, 372 weather records were set or tied at long-record stations worldwide.
221 were record highs and 29 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 19 monthly and 352 daily.
Galway set a daily record precipitation of 30.8 mm (1.2 in) on 31 May 1944.
Across 161 earlier years (1811 to 2026) the same calendar date averaged 438 records.

Record Map

372 stations

372 station records on 31 May 1944 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 May 1944: highest significance records shown on the map
Station	Country	Type	Value	Significance
Galway	Ireland	Record daily precipitation	30.8 mm (1.2 in)	72 of 100 (Major)
Quebrangulo	Brazil	Record daily precipitation	89.4 mm (3.5 in)	48 of 100 (Notable)
Lacombe Cda	Canada	Record daily precipitation	35.8 mm (1.4 in)	48 of 100 (Notable)
Toronto	Canada	Record daily precipitation	51.6 mm (2.0 in)	45 of 100 (Notable)
Altastenberg	Germany	Record daily precipitation	45.6 mm (1.8 in)	45 of 100 (Notable)
Gorakhpur	India	Record daily precipitation	64.0 mm (2.5 in)	41 of 100 (Notable)
Fort Qu'appelle	Canada	Record daily precipitation	34.5 mm (1.4 in)	40 of 100 (Notable)
Nossa Senhora da Gloria	Brazil	Record daily precipitation	56.0 mm (2.2 in)	38 of 100 (Notable)
Srinagar	India	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Colfax	United States	Record daily precipitation	50.8 mm (2.0 in)	37 of 100 (Notable)
Redding Fire STN 2	United States	Record daily precipitation	39.9 mm (1.6 in)	37 of 100 (Notable)
Lindsay	Canada	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Goderich	Canada	Record high minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Mt Carmel	United States	Record daily precipitation	46.2 mm (1.8 in)	32 of 100 (Routine)
Beaconsfield Upper	Australia	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Salem	United States	Record daily precipitation	42.2 mm (1.7 in)	30 of 100 (Routine)
Belleville	Canada	Record high maximum temperature	28.9 C (84.0 F)	29 of 100 (Routine)
Graz	Austria	Record high maximum temperature	31.9 C (89.4 F)	28 of 100 (Routine)
Poonch	India	Record daily precipitation	38.1 mm (1.5 in)	28 of 100 (Routine)
Hamilton	Canada	Record high maximum temperature	32.8 C (91.0 F)	27 of 100 (Routine)
Hamilton	Canada	Record daily precipitation	63.5 mm (2.5 in)	27 of 100 (Routine)
Worcester	United States	Record high maximum temperature	33.3 C (91.9 F)	27 of 100 (Routine)
Toronto Agincourt	Canada	Record daily precipitation	45.7 mm (1.8 in)	26 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high minimum temperature	14.8 C (58.6 F)	26 of 100 (Routine)
Pithoragarh	India	Record daily precipitation	26.7 mm (1.1 in)	26 of 100 (Routine)
Karlshamn	Sweden	Record high maximum temperature	25.0 C (77.0 F)	26 of 100 (Routine)
Canton 4N	United States	Record daily precipitation	55.9 mm (2.2 in)	26 of 100 (Routine)
Ponce 4 E	Puerto Rico [United States]	Record daily precipitation	40.1 mm (1.6 in)	25 of 100 (Routine)
Plymouth-Kingston	United States	Record high maximum temperature	34.4 C (93.9 F)	25 of 100 (Routine)
Gulabarh	India	Record daily precipitation	38.1 mm (1.5 in)	24 of 100 (Routine)
St Ignace	United States	Record high minimum temperature	16.7 C (62.1 F)	24 of 100 (Routine)
Brockton	United States	Record high maximum temperature	35.6 C (96.1 F)	23 of 100 (Routine)
Angelica	United States	Record high maximum temperature	33.9 C (93.0 F)	23 of 100 (Routine)
Russell	Canada	Record high minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Saint John	Canada	Record high maximum temperature	27.2 C (81.0 F)	22 of 100 (Routine)
Isabela Substn	Puerto Rico [United States]	Record daily precipitation	35.1 mm (1.4 in)	22 of 100 (Routine)
New Bedford Coop	United States	Record high maximum temperature	32.2 C (90.0 F)	22 of 100 (Routine)
Sidhi	India	Record daily precipitation	27.9 mm (1.1 in)	21 of 100 (Routine)
Jeanerette 5 NW	United States	Record high minimum temperature	24.4 C (75.9 F)	21 of 100 (Routine)
Roebling	United States	Record high minimum temperature	23.9 C (75.0 F)	21 of 100 (Routine)
Superior	United States	Record high minimum temperature	20.0 C (68.0 F)	21 of 100 (Routine)
Mahukona 159	United States	Record low maximum temperature	28.3 C (82.9 F)	21 of 100 (Routine)
Esquimalt	Canada	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Saanichton Cda	Canada	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
James Island	Canada	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Chinnar	India	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Priest Valley	United States	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Cardwell Marine Pde	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
McCall	United States	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
Glens Falls Fire STN	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Santa Rosa	United States	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Mottinger	United States	Record daily precipitation	5.3 mm (0.21 in)	20 of 100 (Routine)
Washburn	United States	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Masset Airport	Canada	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Booby Island Lighthouse	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Victoria Gonzales Hts	Canada	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Joliette	Canada	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Davis 2 WSW Exp Farm	United States	Record daily precipitation	3.0 mm (0.12 in)	20 of 100 (Routine)
Newport	United States	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Woodfield	Australia	Record daily precipitation	30.5 mm (1.2 in)	20 of 100 (Routine)

Counts by Type and Timescale

372 records

Records set or tied on 31 May 1944 by type: Highest daily maximum 90, Lowest daily maximum 22, Highest daily minimum 131, Lowest daily minimum 7, Heaviest daily rainfall 122.

Records on 31 May 1944 by type
Record type	Records
Highest daily maximum	90
Lowest daily maximum	22
Highest daily minimum	131
Lowest daily minimum	7
Heaviest daily rainfall	122
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 May 1944 by timescale: all-time 1, monthly 19, daily 352.

How Much Records Were Beaten By

269 broken records

Margins by which the 269 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 65.1. Ties are not counted.

Top 20 by Significance

31 May 1944

Top 20 records on 31 May 1944 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 May 1944	Galway, IE	daily rain	30.8 mm (1.2 in)	19.8 mm (0.8 in)	80 years	72 of 100 (Major)
31 May 1944	Quebrangulo, BR	daily rain	89.4 mm (3.5 in)	65.1 mm (2.6 in)	18 years	48 of 100 (Notable)
31 May 1944	Lacombe Cda, CA	daily rain	35.8 mm (1.4 in)	28.2 mm (1.1 in)	19 years	48 of 100 (Notable)
31 May 1944	Toronto, CA	daily rain	51.6 mm (2.0 in)	21.1 mm (0.8 in)	36 years	45 of 100 (Notable)
31 May 1944	Altastenberg, DE	daily rain	45.6 mm (1.8 in)	27.9 mm (1.1 in)	2 years	45 of 100 (Notable)
31 May 1944	Gorakhpur, IN	daily rain	64.0 mm (2.5 in)	37.1 mm (1.5 in)	31 years	41 of 100 (Notable)
31 May 1944	Fort Qu'appelle, CA	daily rain	34.5 mm (1.4 in)	20.3 mm (0.8 in)	21 years	40 of 100 (Notable)
31 May 1944	Nossa Senhora da Gloria, BR	daily rain	56.0 mm (2.2 in)	38.0 mm (1.5 in)	5 years	38 of 100 (Notable)
31 May 1944	Srinagar, IN	daily rain	45.7 mm (1.8 in)	33.0 mm (1.3 in)	1 year	37 of 100 (Notable)
31 May 1944	Colfax, US	daily rain	50.8 mm (2.0 in)	37.6 mm (1.5 in)	1 year	37 of 100 (Notable)
31 May 1944	Redding Fire STN 2, US	daily rain	39.9 mm (1.6 in)	20.6 mm (0.8 in)	42 years	37 of 100 (Notable)
31 May 1944	Lindsay, CA	daily rain	29.0 mm (1.1 in)	10.5 mm (0.4 in)	49 years	34 of 100 (Routine)
31 May 1944	Goderich, CA	daily high min	18.9 C (66.0 F)	2.2 C (4.0 F)	72 years	32 of 100 (Routine)
31 May 1944	Mt Carmel, US	daily rain	46.2 mm (1.8 in)	25.9 mm (1.0 in)	17 years	32 of 100 (Routine)
31 May 1944	Beaconsfield Upper, AU	daily rain	27.9 mm (1.1 in)	12.4 mm (0.5 in)	31 years	30 of 100 (Routine)
31 May 1944	Salem, US	daily rain	42.2 mm (1.7 in)	20.6 mm (0.8 in)	27 years	30 of 100 (Routine)
31 May 1944	Belleville, CA	daily high max	28.9 C (84.0 F)	0.6 C (1.1 F)	72 years	29 of 100 (Routine)
31 May 1944	Graz, AT	monthly high max	31.9 C (89.4 F)	1.9 C (3.4 F)	32 years	28 of 100 (Routine)
31 May 1944	Poonch, IN	daily rain	38.1 mm (1.5 in)	17.0 mm (0.7 in)	43 years	28 of 100 (Routine)
31 May 1944	Hamilton, CA	daily high max	32.8 C (91.0 F)	0.6 C (1.1 F)	64 years	27 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

1811 to 1944

Records set or tied on this calendar date in each year from 1811 to 1944. 1944 had 372 records.

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

Records on 05-31 in each year
Year	Records
1811	1
1818	3
1827	1
1836	2
1845	1
1847	1
1853	2
1855	2
1858	1
1864	2
1865	1
1866	1
1867	1
1868	4
1869	1
1871	2
1873	3
1874	1
1877	1
1878	2
1879	2
1880	3
1882	1
1883	1
1885	1
1888	1
1889	2
1890	1
1892	1
1893	4
1894	2
1895	8
1897	5
1898	7
1899	1
1900	2
1901	9
1902	9
1903	17
1904	19
1905	7
1906	11
1907	20
1908	12
1909	8
1910	26
1911	20
1912	15
1913	83
1914	20
1915	23
1916	23
1917	13
1918	20
1919	44
1920	46
1921	157
1922	49
1923	98
1924	152
1925	226
1926	228
1927	121
1928	67
1929	246
1930	612
1931	223
1932	181
1933	397
1934	782
1935	156
1936	559
1937	462
1938	424
1939	461
1940	383
1941	410
1942	364
1943	552
1944	372
1945	457
1946	380
1947	439
1948	295
1949	303
1950	467
1951	640
1952	374
1953	654
1954	445
1955	534
1956	632
1957	304
1958	429
1959	459
1960	247
1961	472
1962	565
1963	354
1964	1,237
1965	494
1966	601
1967	987
1968	276
1969	555
1970	573
1971	714
1972	1,127
1973	418
1974	473
1975	797
1976	435
1977	605
1978	873
1979	915
1980	517
1981	775
1982	817
1983	1,494
1984	2,047
1985	790
1986	1,365
1987	822
1988	1,255
1989	912
1990	900
1991	1,381
1992	1,031
1993	982
1994	776
1995	693
1996	946
1997	1,163
1998	1,215
1999	790
2000	1,172
2001	1,047
2002	1,162
2003	831
2004	1,071
2005	724
2006	1,045
2007	793
2008	809
2009	570
2010	741
2011	1,498
2012	764
2013	1,100
2014	565
2015	704
2016	402
2017	440
2018	1,211
2019	420
2020	673
2021	834
2022	902
2023	454
2024	809
2025	1,204
2026	536

Download the Data

Data for records on 1944-05-31: 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	234
10 to 20	19
20 to 30	11
30 to 40	4
40 to 50	0
50 to 60	0
60 to 70	1