Weather Records on 31 May 1939

461 weather records were set or tied worldwide on 31 May 1939. Highest significance: Nelyambo, AU.

Key Facts for 31 May 1939

On 31 May 1939, 461 weather records were set or tied at long-record stations worldwide.
221 were record highs and 38 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 41 monthly and 419 daily.
Nelyambo set a daily record precipitation of 42.2 mm (1.7 in) on 31 May 1939.
Across 161 earlier years (1811 to 2026) the same calendar date averaged 437 records.

Record Map

461 stations

461 station records on 31 May 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 May 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nelyambo	Australia	Record daily precipitation	42.2 mm (1.7 in)	60 of 100 (Major)
Pooncarie (Mulurulu Station)	Australia	Record daily precipitation	87.9 mm (3.5 in)	55 of 100 (Notable)
Quinyambie	Australia	Record daily precipitation	38.6 mm (1.5 in)	51 of 100 (Notable)
Wilcannia (Burndoo Estate)	Australia	Record daily precipitation	48.5 mm (1.9 in)	51 of 100 (Notable)
Manfred	Australia	Record daily precipitation	45.2 mm (1.8 in)	51 of 100 (Notable)
Wanganella (Zara)	Australia	Record daily precipitation	35.8 mm (1.4 in)	50 of 100 (Notable)
Pooncarie (Karpa Kora Station)	Australia	Record daily precipitation	54.6 mm (2.1 in)	45 of 100 (Notable)
Muriel Tank	Australia	Record daily precipitation	36.8 mm (1.4 in)	45 of 100 (Notable)
Springfield Government Tank	Australia	Record daily precipitation	66.0 mm (2.6 in)	44 of 100 (Notable)
Paika	Australia	Record daily precipitation	51.1 mm (2.0 in)	44 of 100 (Notable)
Tin Tin	Australia	Record daily precipitation	42.4 mm (1.7 in)	43 of 100 (Notable)
Trida (Cogie)	Australia	Record daily precipitation	41.9 mm (1.6 in)	42 of 100 (Notable)
Pooncarie Mail Agency	Australia	Record daily precipitation	58.4 mm (2.3 in)	41 of 100 (Notable)
Box Creek Tank	Australia	Record daily precipitation	47.8 mm (1.9 in)	39 of 100 (Notable)
Arumpo	Australia	Record daily precipitation	53.1 mm (2.1 in)	38 of 100 (Notable)
Menindee (Weinteriga)	Australia	Record daily precipitation	41.7 mm (1.6 in)	38 of 100 (Notable)
Pooncarie (Tarcoola)	Australia	Record daily precipitation	40.1 mm (1.6 in)	36 of 100 (Notable)
Panban	Australia	Record daily precipitation	49.8 mm (2.0 in)	36 of 100 (Notable)
Cobar (the Meadows)	Australia	Record daily precipitation	58.4 mm (2.3 in)	36 of 100 (Notable)
St Albans	Canada	Record daily precipitation	36.8 mm (1.4 in)	36 of 100 (Notable)
Eckman 2 SE	United States	Record daily precipitation	31.8 mm (1.3 in)	36 of 100 (Notable)
Gum Lake (Albemarle)	Australia	Record daily precipitation	43.7 mm (1.7 in)	35 of 100 (Notable)
Juanbung	Australia	Record daily precipitation	42.4 mm (1.7 in)	35 of 100 (Notable)
Cobar (Paddington)	Australia	Record daily precipitation	49.0 mm (1.9 in)	34 of 100 (Routine)
Wunnamurra	Australia	Record daily precipitation	41.4 mm (1.6 in)	33 of 100 (Routine)
Salzburg	Austria	Record low minimum temperature	1.5 C (34.7 F)	33 of 100 (Routine)
Noorong	Australia	Record daily precipitation	32.5 mm (1.3 in)	31 of 100 (Routine)
Carmel	United States	Record high maximum temperature	36.1 C (97.0 F)	31 of 100 (Routine)
Camp Crook	United States	Record high minimum temperature	19.4 C (66.9 F)	31 of 100 (Routine)
White Cliffs Post Office	Australia	Record daily precipitation	25.7 mm (1.0 in)	30 of 100 (Routine)
Conargo Post Office	Australia	Record daily precipitation	30.7 mm (1.2 in)	30 of 100 (Routine)
Julesburg	United States	Record daily precipitation	40.6 mm (1.6 in)	30 of 100 (Routine)
Brandon Cda	Canada	Record daily precipitation	40.1 mm (1.6 in)	29 of 100 (Routine)
Chita	Russia	Record daily precipitation	32.7 mm (1.3 in)	29 of 100 (Routine)
Lebanon 3 W	United States	Record high maximum temperature	36.7 C (98.1 F)	29 of 100 (Routine)
Shearleys Tank	Australia	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Hatfield (Benilkie)	Australia	Record daily precipitation	38.1 mm (1.5 in)	28 of 100 (Routine)
Miandetta (Tyrone)	Australia	Record daily precipitation	33.0 mm (1.3 in)	28 of 100 (Routine)
Booligal (Belmont)	Australia	Record daily precipitation	35.3 mm (1.4 in)	28 of 100 (Routine)
Tyrrell Downs	Australia	Record daily precipitation	31.0 mm (1.2 in)	28 of 100 (Routine)
Mackay Post Office	Australia	Record daily precipitation	43.4 mm (1.7 in)	27 of 100 (Routine)
Goorimpa	Australia	Record daily precipitation	34.8 mm (1.4 in)	27 of 100 (Routine)
Hermidale Tank	Australia	Record daily precipitation	35.3 mm (1.4 in)	27 of 100 (Routine)
Pesaro	Italy	Record daily precipitation	30.4 mm (1.2 in)	27 of 100 (Routine)
Luling	United States	Record daily precipitation	57.4 mm (2.3 in)	27 of 100 (Routine)
Henley Woolshed	Australia	Record daily precipitation	31.5 mm (1.2 in)	26 of 100 (Routine)
Meilman	Australia	Record daily precipitation	36.8 mm (1.4 in)	26 of 100 (Routine)
Warbreccan	Australia	Record daily precipitation	26.2 mm (1.0 in)	26 of 100 (Routine)
Nyah (Yarraby Tank)	Australia	Record daily precipitation	43.9 mm (1.7 in)	26 of 100 (Routine)
Towan	Australia	Record daily precipitation	32.0 mm (1.3 in)	26 of 100 (Routine)
Waitchie	Australia	Record daily precipitation	35.6 mm (1.4 in)	26 of 100 (Routine)
Blanco	United States	Record daily precipitation	37.1 mm (1.5 in)	26 of 100 (Routine)
Washington	United States	Record high maximum temperature	35.0 C (95.0 F)	26 of 100 (Routine)
Mooral	Australia	Record daily precipitation	28.7 mm (1.1 in)	25 of 100 (Routine)
Carabost	Australia	Record daily precipitation	38.1 mm (1.5 in)	25 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record daily precipitation	29.0 mm (1.1 in)	25 of 100 (Routine)
Canoon	Australia	Record daily precipitation	31.8 mm (1.3 in)	25 of 100 (Routine)
Conargo (Willurah)	Australia	Record daily precipitation	28.2 mm (1.1 in)	25 of 100 (Routine)
Aurora Water	United States	Record high minimum temperature	26.1 C (79.0 F)	25 of 100 (Routine)
Kynnersley	Australia	Record daily precipitation	31.8 mm (1.3 in)	24 of 100 (Routine)

Counts by Type and Timescale

461 records

Records set or tied on 31 May 1939 by type: Highest daily maximum 103, Lowest daily maximum 18, Highest daily minimum 118, Lowest daily minimum 20, Heaviest daily rainfall 202.

Records on 31 May 1939 by type
Record type	Records
Highest daily maximum	103
Lowest daily maximum	18
Highest daily minimum	118
Lowest daily minimum	20
Heaviest daily rainfall	202
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 May 1939 by timescale: all-time 1, monthly 41, daily 419.

How Much Records Were Beaten By

350 broken records

Margins by which the 350 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 35.6. Ties are not counted.

Top 20 by Significance

31 May 1939

Top 20 records on 31 May 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 May 1939	Nelyambo, AU	daily rain	42.2 mm (1.7 in)	35.6 mm (1.4 in)	49 years	60 of 100 (Major)
31 May 1939	Pooncarie (Mulurulu Station), AU	all-time rain	87.9 mm (3.5 in)	16.8 mm (0.7 in)	34 years	55 of 100 (Notable)
31 May 1939	Quinyambie, AU	daily rain	38.6 mm (1.5 in)	25.9 mm (1.0 in)	49 years	51 of 100 (Notable)
31 May 1939	Wilcannia (Burndoo Estate), AU	monthly rain	48.5 mm (1.9 in)	17.3 mm (0.7 in)	47 years	51 of 100 (Notable)
31 May 1939	Manfred, AU	daily rain	45.2 mm (1.8 in)	33.8 mm (1.3 in)	21 years	51 of 100 (Notable)
31 May 1939	Wanganella (Zara), AU	daily rain	35.8 mm (1.4 in)	24.4 mm (1.0 in)	69 years	50 of 100 (Notable)
31 May 1939	Pooncarie (Karpa Kora Station), AU	daily rain	54.6 mm (2.1 in)	34.3 mm (1.4 in)	2 years	45 of 100 (Notable)
31 May 1939	Muriel Tank, AU	daily rain	36.8 mm (1.4 in)	29.2 mm (1.1 in)	41 years	45 of 100 (Notable)
31 May 1939	Springfield Government Tank, AU	monthly rain	66.0 mm (2.6 in)	15.2 mm (0.6 in)	44 years	44 of 100 (Notable)
31 May 1939	Paika, AU	daily rain	51.1 mm (2.0 in)	19.9 mm (0.8 in)	49 years	44 of 100 (Notable)
31 May 1939	Tin Tin, AU	daily rain	42.4 mm (1.7 in)	29.7 mm (1.2 in)	2 years	43 of 100 (Notable)
31 May 1939	Trida (Cogie), AU	daily rain	41.9 mm (1.6 in)	28.4 mm (1.1 in)	2 years	42 of 100 (Notable)
31 May 1939	Pooncarie Mail Agency, AU	daily rain	58.4 mm (2.3 in)	33.5 mm (1.3 in)	2 years	41 of 100 (Notable)
31 May 1939	Box Creek Tank, AU	daily rain	47.8 mm (1.9 in)	17.3 mm (0.7 in)	47 years	39 of 100 (Notable)
31 May 1939	Arumpo, AU	monthly rain	53.1 mm (2.1 in)	13.7 mm (0.5 in)	21 years	38 of 100 (Notable)
31 May 1939	Menindee (Weinteriga), AU	daily rain	41.7 mm (1.6 in)	15.8 mm (0.6 in)	47 years	38 of 100 (Notable)
31 May 1939	Pooncarie (Tarcoola), AU	daily rain	40.1 mm (1.6 in)	14.4 mm (0.6 in)	49 years	36 of 100 (Notable)
31 May 1939	Panban, AU	daily rain	49.8 mm (2.0 in)	15.0 mm (0.6 in)	49 years	36 of 100 (Notable)
31 May 1939	Cobar (the Meadows), AU	monthly rain	58.4 mm (2.3 in)	10.9 mm (0.4 in)	33 years	36 of 100 (Notable)
31 May 1939	St Albans, CA	daily rain	36.8 mm (1.4 in)	20.0 mm (0.8 in)	16 years	36 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 1939

Records set or tied on this calendar date in each year from 1811 to 1939. 1939 had 461 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 1939-05-31: 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 5	231
5 to 10	48
10 to 15	29
15 to 20	18
20 to 25	12
25 to 30	7
30 to 35	4
35 to 40	1