Weather Records on 27 May 1931

367 weather records were set or tied worldwide on 27 May 1931. Highest significance: Watertown Rgnl AP, US.

Key Facts for 27 May 1931

On 27 May 1931, 367 weather records were set or tied at long-record stations worldwide.
159 were record highs and 22 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 20 monthly and 345 daily.
Watertown Rgnl AP set an all-time record daily precipitation of 181.4 mm (7.1 in) on 27 May 1931.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 418 records.

Record Map

367 stations

367 station records on 27 May 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 May 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Watertown Rgnl AP	United States	Record daily precipitation	181.4 mm (7.1 in)	73 of 100 (Major)
M.R.A.	Australia	Record daily precipitation	44.5 mm (1.8 in)	56 of 100 (Notable)
Lake Cowal	Australia	Record daily precipitation	45.2 mm (1.8 in)	56 of 100 (Notable)
Summervale (Gundaur)	Australia	Record daily precipitation	46.5 mm (1.8 in)	55 of 100 (Notable)
Jonkoping	Sweden	Record daily precipitation	25.4 mm (1.0 in)	53 of 100 (Notable)
Grenfell (Quondong Rd)	Australia	Record daily precipitation	47.5 mm (1.9 in)	52 of 100 (Notable)
Beechal	Australia	Record daily precipitation	66.0 mm (2.6 in)	51 of 100 (Notable)
Willamurra	Australia	Record daily precipitation	44.5 mm (1.8 in)	50 of 100 (Notable)
Warkworth 1 Public School	Australia	Record daily precipitation	58.2 mm (2.3 in)	50 of 100 (Notable)
Attabari	India	Record daily precipitation	120.7 mm (4.8 in)	48 of 100 (Notable)
Merriwa (Terragong)	Australia	Record daily precipitation	63.2 mm (2.5 in)	47 of 100 (Notable)
Milbank 4 NW	United States	Record daily precipitation	106.9 mm (4.2 in)	47 of 100 (Notable)
Yantabulla Station	Australia	Record daily precipitation	38.6 mm (1.5 in)	46 of 100 (Notable)
Enngonia (Belalie)	Australia	Record daily precipitation	61.0 mm (2.4 in)	45 of 100 (Notable)
Quabathoo	Australia	Record daily precipitation	45.0 mm (1.8 in)	45 of 100 (Notable)
Spring Ridge	Australia	Record daily precipitation	38.1 mm (1.5 in)	45 of 100 (Notable)
Sibsagar	India	Record daily precipitation	188.2 mm (7.4 in)	43 of 100 (Notable)
Glenbie	Australia	Record daily precipitation	57.4 mm (2.3 in)	42 of 100 (Notable)
Milan	Italy	Record high minimum temperature	22.2 C (72.0 F)	42 of 100 (Notable)
Cleve	Australia	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Marra Creek (Womboin)	Australia	Record daily precipitation	56.6 mm (2.2 in)	41 of 100 (Notable)
Bobadah (Avoca)	Australia	Record daily precipitation	40.6 mm (1.6 in)	40 of 100 (Notable)
Warroo (Geeron)	Australia	Record daily precipitation	36.6 mm (1.4 in)	39 of 100 (Notable)
Adavale	Australia	Record daily precipitation	47.2 mm (1.9 in)	39 of 100 (Notable)
Quantambone	Australia	Record daily precipitation	65.0 mm (2.6 in)	38 of 100 (Notable)
Cunnamulla Post Office	Australia	Record daily precipitation	64.3 mm (2.5 in)	37 of 100 (Notable)
Brewarrina Hospital	Australia	Record daily precipitation	63.5 mm (2.5 in)	37 of 100 (Notable)
Greenethorpe (Iandra)	Australia	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Carinda Post Office	Australia	Record daily precipitation	35.6 mm (1.4 in)	36 of 100 (Notable)
Cobar (Lerida)	Australia	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
Neilrex (Caigan)	Australia	Record daily precipitation	44.7 mm (1.8 in)	34 of 100 (Routine)
Dynevor Downs	Australia	Record daily precipitation	36.8 mm (1.4 in)	32 of 100 (Routine)
Weilmoringle	Australia	Record daily precipitation	58.2 mm (2.3 in)	32 of 100 (Routine)
Cobar (Kergunyah)	Australia	Record daily precipitation	31.8 mm (1.3 in)	32 of 100 (Routine)
Sandy Creek Tank	Australia	Record daily precipitation	36.8 mm (1.4 in)	31 of 100 (Routine)
Kodaikanal	India	Record daily precipitation	72.1 mm (2.8 in)	30 of 100 (Routine)
Bourke Post Office	Australia	Record low maximum temperature	8.9 C (48.0 F)	29 of 100 (Routine)
Toulby	Australia	Record daily precipitation	34.3 mm (1.4 in)	29 of 100 (Routine)
Ellerston (Hunters Vale)	Australia	Record daily precipitation	32.0 mm (1.3 in)	29 of 100 (Routine)
Windsor Kings College	Canada	Record high minimum temperature	21.1 C (70.0 F)	29 of 100 (Routine)
Sandy Lake Dam Libby	United States	Record daily precipitation	45.2 mm (1.8 in)	29 of 100 (Routine)
Enngonia (Shearer Street)	Australia	Record daily precipitation	51.8 mm (2.0 in)	28 of 100 (Routine)
Gilgoin	Australia	Record daily precipitation	55.4 mm (2.2 in)	28 of 100 (Routine)
Quambone Station	Australia	Record daily precipitation	36.1 mm (1.4 in)	28 of 100 (Routine)
Suntop	Australia	Record daily precipitation	38.1 mm (1.5 in)	28 of 100 (Routine)
Warren (Eenaweena)	Australia	Record daily precipitation	25.9 mm (1.0 in)	27 of 100 (Routine)
Brewon	Australia	Record daily precipitation	50.3 mm (2.0 in)	27 of 100 (Routine)
Bourke Post Office	Australia	Record daily precipitation	28.4 mm (1.1 in)	26 of 100 (Routine)
Rose Isle	Australia	Record daily precipitation	28.2 mm (1.1 in)	26 of 100 (Routine)
Bulgandramine	Australia	Record daily precipitation	29.2 mm (1.1 in)	26 of 100 (Routine)
Kursk	Russia	Record daily precipitation	30.1 mm (1.2 in)	26 of 100 (Routine)
Brookings 2 NE	United States	Record high minimum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Hungerford	Australia	Record daily precipitation	45.7 mm (1.8 in)	25 of 100 (Routine)
East Toorale (Toorale Station)	Australia	Record daily precipitation	27.9 mm (1.1 in)	25 of 100 (Routine)
Warren (Frawley St)	Australia	Record daily precipitation	26.9 mm (1.1 in)	25 of 100 (Routine)
Kellys Plain (Haroldston)	Australia	Record daily precipitation	28.7 mm (1.1 in)	25 of 100 (Routine)
Geneve Observatoire	Switzerland	Record high minimum temperature	18.2 C (64.8 F)	25 of 100 (Routine)
Norley Station	Australia	Record daily precipitation	26.4 mm (1.0 in)	24 of 100 (Routine)
Parragundy	Australia	Record daily precipitation	36.6 mm (1.4 in)	24 of 100 (Routine)
Plauen	Germany	Record high minimum temperature	17.2 C (63.0 F)	24 of 100 (Routine)

Counts by Type and Timescale

367 records

Records set or tied on 27 May 1931 by type: Highest daily maximum 69, Lowest daily maximum 9, Highest daily minimum 90, Lowest daily minimum 13, Heaviest daily rainfall 186.

Records on 27 May 1931 by type
Record type	Records
Highest daily maximum	69
Lowest daily maximum	9
Highest daily minimum	90
Lowest daily minimum	13
Heaviest daily rainfall	186
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 May 1931 by timescale: all-time 2, monthly 20, daily 345.

How Much Records Were Beaten By

314 broken records

Margins by which the 314 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 93.8. Ties are not counted.

Top 20 by Significance

27 May 1931

Top 20 records on 27 May 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 1931	Watertown Rgnl AP, US	all-time rain	181.4 mm (7.1 in)	93.8 mm (3.7 in)	33 years	73 of 100 (Major)
27 May 1931	M.R.A., AU	daily rain	44.5 mm (1.8 in)	39.9 mm (1.6 in)	38 years	56 of 100 (Notable)
27 May 1931	Lake Cowal, AU	daily rain	45.2 mm (1.8 in)	34.5 mm (1.4 in)	38 years	56 of 100 (Notable)
27 May 1931	Summervale (Gundaur), AU	daily rain	46.5 mm (1.8 in)	37.6 mm (1.5 in)	38 years	55 of 100 (Notable)
27 May 1931	Jonkoping, SE	daily rain	25.4 mm (1.0 in)	12.2 mm (0.5 in)	70 years	53 of 100 (Notable)
27 May 1931	Grenfell (Quondong Rd), AU	daily rain	47.5 mm (1.9 in)	29.7 mm (1.2 in)	38 years	52 of 100 (Notable)
27 May 1931	Beechal, AU	daily rain	66.0 mm (2.6 in)	45.4 mm (1.8 in)	44 years	51 of 100 (Notable)
27 May 1931	Willamurra, AU	daily rain	44.5 mm (1.8 in)	34.1 mm (1.3 in)	29 years	50 of 100 (Notable)
27 May 1931	Warkworth 1 Public School, AU	daily rain	58.2 mm (2.3 in)	49.1 mm (1.9 in)	29 years	50 of 100 (Notable)
27 May 1931	Attabari, IN	daily rain	120.7 mm (4.8 in)	82.6 mm (3.3 in)	17 years	48 of 100 (Notable)
27 May 1931	Merriwa (Terragong), AU	daily rain	63.2 mm (2.5 in)	40.8 mm (1.6 in)	12 years	47 of 100 (Notable)
27 May 1931	Milbank 4 NW, US	all-time rain	106.9 mm (4.2 in)	15.5 mm (0.6 in)	29 years	47 of 100 (Notable)
27 May 1931	Yantabulla Station, AU	daily rain	38.6 mm (1.5 in)	34.5 mm (1.4 in)	29 years	46 of 100 (Notable)
27 May 1931	Enngonia (Belalie), AU	daily rain	61.0 mm (2.4 in)	38.6 mm (1.5 in)	38 years	45 of 100 (Notable)
27 May 1931	Quabathoo, AU	daily rain	45.0 mm (1.8 in)	24.7 mm (1.0 in)	41 years	45 of 100 (Notable)
27 May 1931	Spring Ridge, AU	daily rain	38.1 mm (1.5 in)	31.7 mm (1.2 in)	25 years	45 of 100 (Notable)
27 May 1931	Sibsagar, IN	monthly rain	188.2 mm (7.4 in)	47.2 mm (1.9 in)	16 years	43 of 100 (Notable)
27 May 1931	Glenbie, AU	daily rain	57.4 mm (2.3 in)	31.7 mm (1.2 in)	17 years	42 of 100 (Notable)
27 May 1931	Milan, IT	daily high min	22.2 C (72.0 F)	0.9 C (1.6 F)	146 years	42 of 100 (Notable)
27 May 1931	Cleve, AU	daily rain	27.9 mm (1.1 in)	16.5 mm (0.6 in)	29 years	41 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

1797 to 1931

Records set or tied on this calendar date in each year from 1797 to 1931. 1931 had 367 records.

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

Records on 05-27 in each year
Year	Records
1797	1
1817	1
1818	1
1834	2
1836	4
1839	1
1845	1
1846	1
1847	1
1849	1
1852	1
1858	1
1860	1
1863	1
1864	3
1868	4
1869	1
1874	1
1876	1
1879	3
1880	5
1881	2
1883	1
1884	1
1885	1
1886	1
1888	1
1889	3
1890	5
1891	2
1892	8
1893	5
1894	13
1895	4
1896	3
1897	1
1898	3
1899	2
1900	4
1901	7
1902	12
1903	7
1904	11
1905	7
1906	28
1907	23
1908	16
1909	7
1910	31
1911	53
1912	27
1913	19
1914	92
1915	63
1916	26
1917	23
1918	39
1919	38
1920	40
1921	56
1922	36
1923	86
1924	92
1925	291
1926	107
1927	183
1928	81
1929	195
1930	99
1931	367
1932	265
1933	284
1934	393
1935	128
1936	468
1937	298
1938	492
1939	312
1940	138
1941	436
1942	657
1943	160
1944	479
1945	272
1946	424
1947	485
1948	324
1949	366
1950	697
1951	578
1952	258
1953	603
1954	367
1955	571
1956	491
1957	367
1958	619
1959	449
1960	421
1961	1,504
1962	460
1963	421
1964	317
1965	652
1966	398
1967	492
1968	605
1969	850
1970	326
1971	612
1972	508
1973	943
1974	630
1975	404
1976	589
1977	663
1978	814
1979	899
1980	644
1981	891
1982	838
1983	1,253
1984	834
1985	873
1986	696
1987	1,037
1988	777
1989	904
1990	804
1991	1,429
1992	1,413
1993	835
1994	848
1995	815
1996	1,378
1997	919
1998	1,079
1999	876
2000	1,347
2001	898
2002	511
2003	918
2004	838
2005	1,094
2006	1,171
2007	886
2008	914
2009	858
2010	955
2011	1,055
2012	1,475
2013	607
2014	835
2015	537
2016	622
2017	541
2018	1,355
2019	960
2020	906
2021	414
2022	653
2023	405
2024	904
2025	761
2026	1,185

Download the Data

Data for records on 1931-05-27: 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 20	292
20 to 40	16
40 to 60	4
60 to 80	0
80 to 100	2