Weather Records on 31 May 1947

439 weather records were set or tied worldwide on 31 May 1947. Highest significance: Nicosia, CY.

Key Facts for 31 May 1947

On 31 May 1947, 439 weather records were set or tied at long-record stations worldwide.
122 were record highs and 173 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 429 daily.
Nicosia set a daily record precipitation of 68.6 mm (2.7 in) on 31 May 1947.
Across 161 earlier years (1811 to 2026) the same calendar date averaged 438 records.

Record Map

439 stations

439 station records on 31 May 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 May 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nicosia	Cyprus	Record daily precipitation	68.6 mm (2.7 in)	51 of 100 (Notable)
Byro	Australia	Record daily precipitation	61.7 mm (2.4 in)	50 of 100 (Notable)
Moorarie	Australia	Record daily precipitation	44.2 mm (1.7 in)	49 of 100 (Notable)
Mosman (Bapaume Road)	Australia	Record daily precipitation	60.2 mm (2.4 in)	48 of 100 (Notable)
Geneve Observatoire	Switzerland	Record daily precipitation	34.0 mm (1.3 in)	42 of 100 (Notable)
Armagh	United Kingdom	Record high minimum temperature	13.2 C (55.8 F)	39 of 100 (Notable)
Kodanand	India	Record daily precipitation	63.8 mm (2.5 in)	37 of 100 (Notable)
Blair	United States	Record daily precipitation	48.3 mm (1.9 in)	37 of 100 (Notable)
Kirkalocka	Australia	Record daily precipitation	34.3 mm (1.4 in)	36 of 100 (Notable)
Nanjangud	India	Record daily precipitation	52.1 mm (2.1 in)	36 of 100 (Notable)
St Petersburg	United States	Record daily precipitation	59.9 mm (2.4 in)	35 of 100 (Notable)
Wyee (Wyee Farms Rd)	Australia	Record daily precipitation	36.1 mm (1.4 in)	32 of 100 (Routine)
Riverview Observatory	Australia	Record daily precipitation	37.3 mm (1.5 in)	32 of 100 (Routine)
Chatswood Water Supply	Australia	Record daily precipitation	46.5 mm (1.8 in)	31 of 100 (Routine)
Orebro	Sweden	Record high maximum temperature	28.0 C (82.4 F)	31 of 100 (Routine)
Kayatnur	India	Record daily precipitation	38.6 mm (1.5 in)	30 of 100 (Routine)
Vastervik	Sweden	Record high maximum temperature	28.0 C (82.4 F)	29 of 100 (Routine)
Fruita	United States	Record high minimum temperature	18.3 C (64.9 F)	29 of 100 (Routine)
Krambach (Bellevue)	Australia	Record daily precipitation	32.3 mm (1.3 in)	28 of 100 (Routine)
Gosford (Gertrude Place)	Australia	Record daily precipitation	59.9 mm (2.4 in)	28 of 100 (Routine)
Uccle	Belgium	Record high maximum temperature	32.3 C (90.1 F)	28 of 100 (Routine)
Barkola	India	Record daily precipitation	177.8 mm (7.0 in)	28 of 100 (Routine)
Nordby (Fano)	Denmark	Record high minimum temperature	16.0 C (60.8 F)	27 of 100 (Routine)
Hull	United Kingdom	Record high maximum temperature	30.6 C (87.1 F)	27 of 100 (Routine)
Avery Rs	United States	Record daily precipitation	30.7 mm (1.2 in)	27 of 100 (Routine)
Palasbari	India	Record daily precipitation	53.3 mm (2.1 in)	26 of 100 (Routine)
Groningen	Netherlands	Record high maximum temperature	32.3 C (90.1 F)	26 of 100 (Routine)
Kristianstad	Sweden	Record high maximum temperature	29.5 C (85.1 F)	26 of 100 (Routine)
Vastervik	Sweden	Record high minimum temperature	14.2 C (57.6 F)	26 of 100 (Routine)
Wollstonecraft	Australia	Record daily precipitation	32.5 mm (1.3 in)	25 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record high minimum temperature	12.2 C (54.0 F)	25 of 100 (Routine)
Durham	United Kingdom	Record high maximum temperature	26.1 C (79.0 F)	25 of 100 (Routine)
Jiggs 3 N	United States	Record daily precipitation	35.6 mm (1.4 in)	25 of 100 (Routine)
Vestervig	Denmark	Record high maximum temperature	27.0 C (80.6 F)	24 of 100 (Routine)
Aachen	Germany	Record high maximum temperature	31.2 C (88.2 F)	24 of 100 (Routine)
Manly Town Hall	Australia	Record daily precipitation	31.5 mm (1.2 in)	23 of 100 (Routine)
Gordon Golf Club	Australia	Record daily precipitation	44.2 mm (1.7 in)	23 of 100 (Routine)
Beecroft	Australia	Record daily precipitation	25.7 mm (1.0 in)	23 of 100 (Routine)
New Westminster	Canada	Record high minimum temperature	14.4 C (57.9 F)	23 of 100 (Routine)
Calgary Int'l A	Canada	Record low maximum temperature	7.8 C (46.0 F)	23 of 100 (Routine)
Eelde	Netherlands	Record high maximum temperature	29.7 C (85.5 F)	23 of 100 (Routine)
Brenham	United States	Record low minimum temperature	13.9 C (57.0 F)	23 of 100 (Routine)
Roseville Bowling Club	Australia	Record daily precipitation	42.2 mm (1.7 in)	22 of 100 (Routine)
Sandvig	Denmark	Record high maximum temperature	26.6 C (79.9 F)	22 of 100 (Routine)
Putbus	Germany	Record high maximum temperature	27.8 C (82.0 F)	22 of 100 (Routine)
Den Helder	Netherlands	Record high maximum temperature	27.9 C (82.2 F)	22 of 100 (Routine)
Den Helder	Netherlands	Record high minimum temperature	17.4 C (63.3 F)	22 of 100 (Routine)
Den Helder-1	Netherlands	Record high maximum temperature	28.4 C (83.1 F)	22 of 100 (Routine)
Batesville	United States	Record low maximum temperature	22.8 C (73.0 F)	22 of 100 (Routine)
Golden A	Canada	Record high minimum temperature	11.1 C (52.0 F)	21 of 100 (Routine)
Altastenberg	Germany	Record high minimum temperature	14.5 C (58.1 F)	21 of 100 (Routine)
Arnsberg	Germany	Record high maximum temperature	30.5 C (86.9 F)	21 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record high minimum temperature	16.1 C (61.0 F)	21 of 100 (Routine)
Den Helder-1	Netherlands	Record high minimum temperature	16.9 C (62.4 F)	21 of 100 (Routine)
Redding Fire STN 2	United States	Record low maximum temperature	15.6 C (60.1 F)	21 of 100 (Routine)
Falls City Brenner Fld	United States	Record low minimum temperature	-1.1 C (30.0 F)	21 of 100 (Routine)
Lake Louise	Canada	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Markovo	Russia	Record daily precipitation	5.0 mm (0.20 in)	20 of 100 (Routine)
Dobra Scritia	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Randwick Bowling Club	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)

Counts by Type and Timescale

439 records

Records set or tied on 31 May 1947 by type: Highest daily maximum 51, Lowest daily maximum 31, Highest daily minimum 71, Lowest daily minimum 142, Heaviest daily rainfall 142, Heaviest daily snowfall 2.

Records on 31 May 1947 by type
Record type	Records
Highest daily maximum	51
Lowest daily maximum	31
Highest daily minimum	71
Lowest daily minimum	142
Heaviest daily rainfall	142
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 31 May 1947 by timescale: all-time 0, monthly 10, daily 429.

How Much Records Were Beaten By

345 broken records

Margins by which the 345 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 65.0. Ties are not counted.

Top 20 by Significance

31 May 1947

Top 20 records on 31 May 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 May 1947	Nicosia, CY	daily rain	68.6 mm (2.7 in)	65.0 mm (2.6 in)	17 years	51 of 100 (Notable)
31 May 1947	Byro, AU	daily rain	61.7 mm (2.4 in)	52.0 mm (2.0 in)	17 years	50 of 100 (Notable)
31 May 1947	Moorarie, AU	daily rain	44.2 mm (1.7 in)	40.9 mm (1.6 in)	17 years	49 of 100 (Notable)
31 May 1947	Mosman (Bapaume Road), AU	daily rain	60.2 mm (2.4 in)	50.8 mm (2.0 in)	49 years	48 of 100 (Notable)
31 May 1947	Geneve Observatoire, CH	daily rain	34.0 mm (1.3 in)	17.5 mm (0.7 in)	40 years	42 of 100 (Notable)
31 May 1947	Armagh, GB	daily high min	13.2 C (55.8 F)	0.4 C (0.7 F)	93 years	39 of 100 (Notable)
31 May 1947	Kodanand, IN	daily rain	63.8 mm (2.5 in)	45.5 mm (1.8 in)	33 years	37 of 100 (Notable)
31 May 1947	Blair, US	daily rain	48.3 mm (1.9 in)	35.3 mm (1.4 in)	12 years	37 of 100 (Notable)
31 May 1947	Kirkalocka, AU	daily rain	34.3 mm (1.4 in)	26.4 mm (1.0 in)	14 years	36 of 100 (Notable)
31 May 1947	Nanjangud, IN	daily rain	52.1 mm (2.1 in)	32.8 mm (1.3 in)	34 years	36 of 100 (Notable)
31 May 1947	St Petersburg, US	daily rain	59.9 mm (2.4 in)	48.5 mm (1.9 in)	8 years	35 of 100 (Notable)
31 May 1947	Wyee (Wyee Farms Rd), AU	daily rain	36.1 mm (1.4 in)	24.9 mm (1.0 in)	47 years	32 of 100 (Routine)
31 May 1947	Riverview Observatory, AU	daily rain	37.3 mm (1.5 in)	24.6 mm (1.0 in)	33 years	32 of 100 (Routine)
31 May 1947	Chatswood Water Supply, AU	daily rain	46.5 mm (1.8 in)	23.1 mm (0.9 in)	49 years	31 of 100 (Routine)
31 May 1947	Orebro, SE	daily high max	28.0 C (82.4 F)	3.0 C (5.4 F)	63 years	31 of 100 (Routine)
31 May 1947	Kayatnur, IN	daily rain	38.6 mm (1.5 in)	18.0 mm (0.7 in)	41 years	30 of 100 (Routine)
31 May 1947	Vastervik, SE	daily high max	28.0 C (82.4 F)	2.0 C (3.6 F)	63 years	29 of 100 (Routine)
31 May 1947	Fruita, US	monthly high min	18.3 C (64.9 F)	0.5 C (0.9 F)	44 years	29 of 100 (Routine)
31 May 1947	Krambach (Bellevue), AU	daily rain	32.3 mm (1.3 in)	23.2 mm (0.9 in)	26 years	28 of 100 (Routine)
31 May 1947	Gosford (Gertrude Place), AU	daily rain	59.9 mm (2.4 in)	17.7 mm (0.7 in)	49 years	28 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 1947

Records set or tied on this calendar date in each year from 1811 to 1947. 1947 had 439 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 1947-05-31: 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	296
10 to 20	25
20 to 30	15
30 to 40	2
40 to 50	3
50 to 60	2
60 to 70	2