Weather Records on 31 May 1931

223 weather records were set or tied worldwide on 31 May 1931. Highest significance: Waren, DE.

Key Facts for 31 May 1931

On 31 May 1931, 223 weather records were set or tied at long-record stations worldwide.
76 were record highs and 40 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 209 daily.
Waren set a monthly record daily precipitation of 55.6 mm (2.2 in) on 31 May 1931.
Across 161 earlier years (1811 to 2026) the same calendar date averaged 439 records.

Record Map

223 stations

223 station records on 31 May 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 May 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Waren	Germany	Record daily precipitation	55.6 mm (2.2 in)	54 of 100 (Notable)
Chemnitz	Germany	Record daily precipitation	52.0 mm (2.0 in)	54 of 100 (Notable)
Haveri	India	Record daily precipitation	86.4 mm (3.4 in)	47 of 100 (Notable)
Dover	United States	Record daily precipitation	52.1 mm (2.1 in)	45 of 100 (Notable)
Schwerin	Germany	Record daily precipitation	29.3 mm (1.2 in)	43 of 100 (Notable)
Newton	United States	Record daily precipitation	49.0 mm (1.9 in)	39 of 100 (Notable)
Lichtentanne	Germany	Record daily precipitation	29.0 mm (1.1 in)	37 of 100 (Notable)
Channarayapatna	India	Record daily precipitation	55.4 mm (2.2 in)	32 of 100 (Routine)
Coatesville 1 SW	United States	Record daily precipitation	50.8 mm (2.0 in)	31 of 100 (Routine)
Ramnagaram	India	Record daily precipitation	55.4 mm (2.2 in)	30 of 100 (Routine)
Witelsbos (Bos)	South Africa	Record daily precipitation	45.7 mm (1.8 in)	30 of 100 (Routine)
Ljubljana Bezigrad	Slovenia	Record daily precipitation	32.9 mm (1.3 in)	29 of 100 (Routine)
Windsor Kings College	Canada	Record high minimum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
Leipzig-Holzhausen	Germany	Record daily precipitation	39.3 mm (1.5 in)	28 of 100 (Routine)
Ft Bayard 4W	United States	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Potsdam	Germany	Record daily precipitation	34.0 mm (1.3 in)	27 of 100 (Routine)
Weston 2 SE	United States	Record high minimum temperature	17.8 C (64.0 F)	27 of 100 (Routine)
Calgary Int'l A	Canada	Record high minimum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Burnside	United States	Record daily precipitation	34.5 mm (1.4 in)	25 of 100 (Routine)
Ft Mc Intosh	United States	Record low maximum temperature	21.1 C (70.0 F)	23 of 100 (Routine)
Sirsi	India	Record daily precipitation	47.2 mm (1.9 in)	22 of 100 (Routine)
Chandgad	India	Record daily precipitation	57.2 mm (2.3 in)	22 of 100 (Routine)
Feodosiia	Ukraine	Record high maximum temperature	30.2 C (86.4 F)	22 of 100 (Routine)
Prescott 2 NNW	United States	Record low minimum temperature	10.0 C (50.0 F)	22 of 100 (Routine)
Ironton	United States	Record daily precipitation	31.2 mm (1.2 in)	22 of 100 (Routine)
Magadi	India	Record daily precipitation	41.9 mm (1.6 in)	21 of 100 (Routine)
Challakire	India	Record daily precipitation	94.0 mm (3.7 in)	21 of 100 (Routine)
Saunur(Savnur)	India	Record daily precipitation	26.4 mm (1.0 in)	21 of 100 (Routine)
Greensboro	United States	Record daily precipitation	34.0 mm (1.3 in)	21 of 100 (Routine)
Lynchburg - Coop	United States	Record daily precipitation	30.0 mm (1.2 in)	21 of 100 (Routine)
Vaexjoe	Sweden	Record daily precipitation	19.9 mm (0.8 in)	20 of 100 (Routine)
Landsort	Sweden	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Berlin-Dahlem	Germany	Record daily precipitation	22.2 mm (0.9 in)	20 of 100 (Routine)
Kirchdorf/Poel	Germany	Record daily precipitation	22.8 mm (0.9 in)	20 of 100 (Routine)
Teterow	Germany	Record daily precipitation	24.3 mm (1.0 in)	20 of 100 (Routine)
Kristianstad	Sweden	Record daily precipitation	19.7 mm (0.8 in)	20 of 100 (Routine)
Shergarh	India	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Wittstock-Rote Muhle	Germany	Record daily precipitation	16.4 mm (0.6 in)	20 of 100 (Routine)
Porbandar	India	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Goldberg	Germany	Record daily precipitation	12.1 mm (0.5 in)	20 of 100 (Routine)
Herrs Island Dam	United States	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Wittenberg	Germany	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Darlington	United States	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Bird Rocks	Canada	Record high minimum temperature	7.2 C (45.0 F)	20 of 100 (Routine)
Yarmouth	Canada	Record high minimum temperature	12.8 C (55.0 F)	20 of 100 (Routine)
Altentreptow	Germany	Record daily precipitation	21.0 mm (0.8 in)	20 of 100 (Routine)
Lapeer 2 SE	United States	Record low minimum temperature	-7.8 C (18.0 F)	20 of 100 (Routine)
Philadelphia City	United States	Record daily precipitation	28.4 mm (1.1 in)	20 of 100 (Routine)
Chitradurga	India	Record daily precipitation	50.8 mm (2.0 in)	19 of 100 (Routine)
Drobeta Turnu Severin	Romania	Record low minimum temperature	-5.1 C (22.8 F)	19 of 100 (Routine)
Austin #2	United States	Record high maximum temperature	30.0 C (86.0 F)	19 of 100 (Routine)
Mandvi	India	Record daily precipitation	7.9 mm (0.31 in)	18 of 100 (Routine)
Gondal	India	Record daily precipitation	29.0 mm (1.1 in)	18 of 100 (Routine)
Jaisalmer	India	Record daily precipitation	35.1 mm (1.4 in)	18 of 100 (Routine)
Ljungby	Sweden	Record daily precipitation	10.4 mm (0.4 in)	18 of 100 (Routine)
Orono	United States	Record high minimum temperature	15.6 C (60.1 F)	18 of 100 (Routine)
Turners Falls	United States	Record daily precipitation	36.3 mm (1.4 in)	18 of 100 (Routine)
Keene	United States	Record daily precipitation	27.4 mm (1.1 in)	18 of 100 (Routine)
Pendleton Dwtn	United States	Record high minimum temperature	17.8 C (64.0 F)	18 of 100 (Routine)
S Bend AP	United States	Record daily precipitation	21.3 mm (0.8 in)	18 of 100 (Routine)

Counts by Type and Timescale

223 records

Records set or tied on 31 May 1931 by type: Highest daily maximum 34, Lowest daily maximum 14, Highest daily minimum 42, Lowest daily minimum 26, Heaviest daily rainfall 107.

Records on 31 May 1931 by type
Record type	Records
Highest daily maximum	34
Lowest daily maximum	14
Highest daily minimum	42
Lowest daily minimum	26
Heaviest daily rainfall	107
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 May 1931 by timescale: all-time 0, monthly 14, daily 209.

How Much Records Were Beaten By

177 broken records

Margins by which the 177 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.7. Ties are not counted.

Top 20 by Significance

31 May 1931

Top 20 records on 31 May 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 May 1931	Waren, DE	monthly rain	55.6 mm (2.2 in)	22.6 mm (0.9 in)	1 year	54 of 100 (Notable)
31 May 1931	Chemnitz, DE	daily rain	52.0 mm (2.0 in)	33.0 mm (1.3 in)	30 years	54 of 100 (Notable)
31 May 1931	Haveri, IN	daily rain	86.4 mm (3.4 in)	76.7 mm (3.0 in)	13 years	47 of 100 (Notable)
31 May 1931	Dover, US	daily rain	52.1 mm (2.1 in)	39.4 mm (1.6 in)	33 years	45 of 100 (Notable)
31 May 1931	Schwerin, DE	daily rain	29.3 mm (1.2 in)	22.0 mm (0.9 in)	4 years	43 of 100 (Notable)
31 May 1931	Newton, US	daily rain	49.0 mm (1.9 in)	31.7 mm (1.2 in)	24 years	39 of 100 (Notable)
31 May 1931	Lichtentanne, DE	daily rain	29.0 mm (1.1 in)	10.2 mm (0.4 in)	60 years	37 of 100 (Notable)
31 May 1931	Channarayapatna, IN	daily rain	55.4 mm (2.2 in)	37.6 mm (1.5 in)	29 years	32 of 100 (Routine)
31 May 1931	Coatesville 1 SW, US	daily rain	50.8 mm (2.0 in)	26.2 mm (1.0 in)	26 years	31 of 100 (Routine)
31 May 1931	Ramnagaram, IN	daily rain	55.4 mm (2.2 in)	31.0 mm (1.2 in)	13 years	30 of 100 (Routine)
31 May 1931	Witelsbos (Bos), ZA	daily rain	45.7 mm (1.8 in)	34.8 mm (1.4 in)	16 years	30 of 100 (Routine)
31 May 1931	Ljubljana Bezigrad, SI	daily rain	32.9 mm (1.3 in)	17.3 mm (0.7 in)	20 years	29 of 100 (Routine)
31 May 1931	Windsor Kings College, CA	daily high min	20.0 C (68.0 F)	6.7 C (12.1 F)	18 years	28 of 100 (Routine)
31 May 1931	Leipzig-Holzhausen, DE	daily rain	39.3 mm (1.5 in)	14.6 mm (0.6 in)	2 years	28 of 100 (Routine)
31 May 1931	Ft Bayard 4W, US	monthly rain	31.8 mm (1.3 in)	7.4 mm (0.29 in)	3 years	28 of 100 (Routine)
31 May 1931	Potsdam, DE	daily rain	34.0 mm (1.3 in)	14.4 mm (0.6 in)	4 years	27 of 100 (Routine)
31 May 1931	Weston 2 SE, US	daily high min	17.8 C (64.0 F)	7.2 C (13.0 F)	17 years	27 of 100 (Routine)
31 May 1931	Calgary Int'l A, CA	daily high min	12.8 C (55.0 F)	2.8 C (5.0 F)	43 years	25 of 100 (Routine)
31 May 1931	Burnside, US	daily rain	34.5 mm (1.4 in)	18.8 mm (0.7 in)	24 years	25 of 100 (Routine)
31 May 1931	Ft Mc Intosh, US	daily low max	21.1 C (70.0 F)	7.8 C (14.0 F)	1 year	23 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 1931

Records set or tied on this calendar date in each year from 1811 to 1931. 1931 had 223 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 1931-05-31: 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	144
10 to 20	17
20 to 30	9
30 to 40	6
40 to 50	0
50 to 60	0
60 to 70	0
70 to 80	1