Weather Records on 31 May 1964

1,237 weather records were set or tied worldwide on 31 May 1964. Highest significance: Roermond, NL.

Key Facts for 31 May 1964

On 31 May 1964, 1,237 weather records were set or tied at long-record stations worldwide.
53 were record highs and 540 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 1,225 daily.
Roermond set a daily record precipitation of 32.5 mm (1.3 in) on 31 May 1964.
Across 161 earlier years (1811 to 2026) the same calendar date averaged 433 records.

Record Map

1,237 stations

1,237 station records on 31 May 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 May 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Roermond	Netherlands	Record daily precipitation	32.5 mm (1.3 in)	65 of 100 (Major)
Wisley	United Kingdom	Record daily precipitation	39.6 mm (1.6 in)	63 of 100 (Major)
Wooroolin Post Office	Australia	Record daily precipitation	54.9 mm (2.2 in)	61 of 100 (Major)
Arrojado	Brazil	Record daily precipitation	125.6 mm (4.9 in)	61 of 100 (Major)
Margate Collins St	Australia	Record daily precipitation	93.0 mm (3.7 in)	60 of 100 (Major)
Balgownie West	Australia	Record daily precipitation	48.0 mm (1.9 in)	59 of 100 (Notable)
Jingi Jingi	Australia	Record daily precipitation	50.8 mm (2.0 in)	58 of 100 (Notable)
Surat	Australia	Record daily precipitation	52.8 mm (2.1 in)	58 of 100 (Notable)
Back Plains	Australia	Record daily precipitation	47.5 mm (1.9 in)	57 of 100 (Notable)
Reedy Creek Station	Australia	Record daily precipitation	69.1 mm (2.7 in)	56 of 100 (Notable)
Warrinilla	Australia	Record daily precipitation	62.7 mm (2.5 in)	56 of 100 (Notable)
Kingaroy Prince Street	Australia	Record daily precipitation	47.2 mm (1.9 in)	56 of 100 (Notable)
Bell Store	Australia	Record daily precipitation	46.5 mm (1.8 in)	56 of 100 (Notable)
Condamine Plains	Australia	Record daily precipitation	46.7 mm (1.8 in)	55 of 100 (Notable)
Avington	Australia	Record daily precipitation	50.8 mm (2.0 in)	55 of 100 (Notable)
Dulacca Truck Stop	Australia	Record daily precipitation	49.3 mm (1.9 in)	55 of 100 (Notable)
Somerset	Australia	Record daily precipitation	61.0 mm (2.4 in)	55 of 100 (Notable)
Nanango Wills St	Australia	Record daily precipitation	49.5 mm (1.9 in)	54 of 100 (Notable)
Warra Post Office	Australia	Record daily precipitation	52.8 mm (2.1 in)	54 of 100 (Notable)
Mitchell Post Office	Australia	Record daily precipitation	53.6 mm (2.1 in)	54 of 100 (Notable)
Huauchinango	Mexico	Record daily precipitation	118.9 mm (4.7 in)	54 of 100 (Notable)
Tara Shire Council	Australia	Record daily precipitation	53.8 mm (2.1 in)	53 of 100 (Notable)
Mooloolah Post Office	Australia	Record daily precipitation	80.0 mm (3.1 in)	52 of 100 (Notable)
Crows Nest	Australia	Record daily precipitation	52.1 mm (2.1 in)	52 of 100 (Notable)
Beau Maison	Australia	Record daily precipitation	42.4 mm (1.7 in)	52 of 100 (Notable)
Beaudesert Cryna	Australia	Record daily precipitation	49.0 mm (1.9 in)	51 of 100 (Notable)
Macalister Post Office	Australia	Record daily precipitation	51.6 mm (2.0 in)	51 of 100 (Notable)
Malta	Brazil	Record daily precipitation	78.3 mm (3.1 in)	51 of 100 (Notable)
Carina Hill Crescent	Australia	Record daily precipitation	61.2 mm (2.4 in)	50 of 100 (Notable)
Gunningbar	Australia	Record daily precipitation	38.4 mm (1.5 in)	50 of 100 (Notable)
Jericho (Bowsden)	Australia	Record daily precipitation	41.1 mm (1.6 in)	50 of 100 (Notable)
Eastbourne	United Kingdom	Record daily precipitation	32.3 mm (1.3 in)	50 of 100 (Notable)
Turkeen Sfr 151	Australia	Record daily precipitation	58.4 mm (2.3 in)	49 of 100 (Notable)
Brigalow Post Office	Australia	Record daily precipitation	53.3 mm (2.1 in)	49 of 100 (Notable)
Haden Post Office	Australia	Record daily precipitation	47.2 mm (1.9 in)	49 of 100 (Notable)
Delft	Netherlands	Record daily precipitation	31.7 mm (1.2 in)	49 of 100 (Notable)
Manly Railway Station	Australia	Record daily precipitation	68.6 mm (2.7 in)	48 of 100 (Notable)
Goombungee Post Office	Australia	Record daily precipitation	35.1 mm (1.4 in)	48 of 100 (Notable)
Wallumbilla Post Office	Australia	Record daily precipitation	52.6 mm (2.1 in)	48 of 100 (Notable)
Maryland	Australia	Record daily precipitation	34.5 mm (1.4 in)	48 of 100 (Notable)
Eurongilly (Bundaleer)	Australia	Record daily precipitation	28.7 mm (1.1 in)	48 of 100 (Notable)
Brisbane Show Grounds	Australia	Record daily precipitation	66.0 mm (2.6 in)	47 of 100 (Notable)
Greenmount Post Office	Australia	Record daily precipitation	36.6 mm (1.4 in)	47 of 100 (Notable)
Wombat (Tumbleton)	Australia	Record daily precipitation	43.2 mm (1.7 in)	47 of 100 (Notable)
Eagle Farm Racecourse	Australia	Record daily precipitation	61.0 mm (2.4 in)	46 of 100 (Notable)
Eagles Nest	Australia	Record daily precipitation	42.2 mm (1.7 in)	46 of 100 (Notable)
Whetstone Post Office	Australia	Record daily precipitation	44.2 mm (1.7 in)	46 of 100 (Notable)
Cheriton	Australia	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Drillham Post Office	Australia	Record daily precipitation	49.3 mm (1.9 in)	46 of 100 (Notable)
Chinchilla Water Treatment Pla	Australia	Record daily precipitation	53.3 mm (2.1 in)	45 of 100 (Notable)
Belah Park	Australia	Record daily precipitation	45.7 mm (1.8 in)	45 of 100 (Notable)
Injune Post Office	Australia	Record daily precipitation	50.3 mm (2.0 in)	45 of 100 (Notable)
Roma Post Office	Australia	Record daily precipitation	49.8 mm (2.0 in)	45 of 100 (Notable)
Lightning Ridge Post Office	Australia	Record daily precipitation	32.5 mm (1.3 in)	45 of 100 (Notable)
Wantiool (Caithness)	Australia	Record daily precipitation	29.7 mm (1.2 in)	45 of 100 (Notable)
Dotswood Station	Australia	Record daily precipitation	36.8 mm (1.4 in)	44 of 100 (Notable)
Gayndah Post Office	Australia	Record daily precipitation	37.6 mm (1.5 in)	44 of 100 (Notable)
Toogoolawah Post Office	Australia	Record daily precipitation	40.1 mm (1.6 in)	44 of 100 (Notable)
Stranraer	Australia	Record daily precipitation	48.3 mm (1.9 in)	44 of 100 (Notable)
Horseshoe Lagoon	Australia	Record daily precipitation	54.4 mm (2.1 in)	44 of 100 (Notable)

Counts by Type and Timescale

1,237 records

Records set or tied on 31 May 1964 by type: Highest daily maximum 24, Lowest daily maximum 260, Highest daily minimum 29, Lowest daily minimum 280, Heaviest daily rainfall 639, Heaviest daily snowfall 4, Deepest snow cover 1.

Records on 31 May 1964 by type
Record type	Records
Highest daily maximum	24
Lowest daily maximum	260
Highest daily minimum	29
Lowest daily minimum	280
Heaviest daily rainfall	639
Heaviest daily snowfall	4
Deepest snow cover	1

Records on 31 May 1964 by timescale: all-time 0, monthly 12, daily 1,225.

How Much Records Were Beaten By

1,088 broken records

Margins by which the 1,088 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 89.0. Ties are not counted.

Top 20 by Significance

31 May 1964

Top 20 records on 31 May 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 May 1964	Roermond, NL	daily rain	32.5 mm (1.3 in)	14.0 mm (0.6 in)	90 years	65 of 100 (Major)
31 May 1964	Wisley, GB	daily rain	39.6 mm (1.6 in)	22.8 mm (0.9 in)	57 years	63 of 100 (Major)
31 May 1964	Wooroolin Post Office, AU	daily rain	54.9 mm (2.2 in)	41.4 mm (1.6 in)	54 years	61 of 100 (Major)
31 May 1964	Arrojado, BR	monthly rain	125.6 mm (4.9 in)	57.2 mm (2.3 in)	25 years	61 of 100 (Major)
31 May 1964	Margate Collins St, AU	daily rain	93.0 mm (3.7 in)	63.0 mm (2.5 in)	70 years	60 of 100 (Major)
31 May 1964	Balgownie West, AU	daily rain	48.0 mm (1.9 in)	41.6 mm (1.6 in)	43 years	59 of 100 (Notable)
31 May 1964	Jingi Jingi, AU	daily rain	50.8 mm (2.0 in)	47.8 mm (1.9 in)	46 years	58 of 100 (Notable)
31 May 1964	Surat, AU	daily rain	52.8 mm (2.1 in)	32.5 mm (1.3 in)	71 years	58 of 100 (Notable)
31 May 1964	Back Plains, AU	daily rain	47.5 mm (1.9 in)	42.2 mm (1.7 in)	43 years	57 of 100 (Notable)
31 May 1964	Reedy Creek Station, AU	daily rain	69.1 mm (2.7 in)	61.2 mm (2.4 in)	34 years	56 of 100 (Notable)
31 May 1964	Warrinilla, AU	daily rain	62.7 mm (2.5 in)	39.6 mm (1.6 in)	70 years	56 of 100 (Notable)
31 May 1964	Kingaroy Prince Street, AU	daily rain	47.2 mm (1.9 in)	39.6 mm (1.6 in)	46 years	56 of 100 (Notable)
31 May 1964	Bell Store, AU	daily rain	46.5 mm (1.8 in)	38.9 mm (1.5 in)	51 years	56 of 100 (Notable)
31 May 1964	Condamine Plains, AU	daily rain	46.7 mm (1.8 in)	38.1 mm (1.5 in)	38 years	55 of 100 (Notable)
31 May 1964	Avington, AU	daily rain	50.8 mm (2.0 in)	38.1 mm (1.5 in)	46 years	55 of 100 (Notable)
31 May 1964	Dulacca Truck Stop, AU	daily rain	49.3 mm (1.9 in)	38.1 mm (1.5 in)	71 years	55 of 100 (Notable)
31 May 1964	Somerset, AU	daily rain	61.0 mm (2.4 in)	58.0 mm (2.3 in)	34 years	55 of 100 (Notable)
31 May 1964	Nanango Wills St, AU	daily rain	49.5 mm (1.9 in)	28.7 mm (1.1 in)	57 years	54 of 100 (Notable)
31 May 1964	Warra Post Office, AU	daily rain	52.8 mm (2.1 in)	31.7 mm (1.2 in)	61 years	54 of 100 (Notable)
31 May 1964	Mitchell Post Office, AU	daily rain	53.6 mm (2.1 in)	29.2 mm (1.1 in)	61 years	54 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

1811 to 1964

Records set or tied on this calendar date in each year from 1811 to 1964. 1964 had 1,237 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 1964-05-31: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	900
20 to 40	140
40 to 60	42
60 to 80	4
80 to 100	2