Weather Records on 31 May 1934

782 weather records were set or tied worldwide on 31 May 1934. Highest significance: Farmington 3NW, US.

Key Facts for 31 May 1934

On 31 May 1934, 782 weather records were set or tied at long-record stations worldwide.
713 were record highs and 21 were record lows, counting maximum and minimum temperature.
By timescale, 48 were all-time records, 286 monthly and 448 daily.
Farmington 3NW set an all-time record high maximum temperature of 41.7 C (107.1 F) on 31 May 1934.
Across 161 earlier years (1811 to 2026) the same calendar date averaged 435 records.

Record Map

782 stations

782 station records on 31 May 1934 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 May 1934: highest significance records shown on the map
Station	Country	Type	Value	Significance
Farmington 3NW	United States	Record high maximum temperature	41.7 C (107.1 F)	38 of 100 (Notable)
Eau Claire	United States	Record high maximum temperature	41.7 C (107.1 F)	37 of 100 (Notable)
Grantsburg	United States	Record high maximum temperature	42.2 C (108.0 F)	37 of 100 (Notable)
La Crosse Wb City	United States	Record high maximum temperature	41.7 C (107.1 F)	37 of 100 (Notable)
Faribault	United States	Record high maximum temperature	42.2 C (108.0 F)	36 of 100 (Notable)
Spooner Ag Rsch STN	United States	Record high maximum temperature	40.0 C (104.0 F)	36 of 100 (Notable)
Viroqua	United States	Record high maximum temperature	41.1 C (106.0 F)	36 of 100 (Notable)
Grundy Ctr	United States	Record high maximum temperature	41.1 C (106.0 F)	35 of 100 (Notable)
Hebron	United States	Record high minimum temperature	27.2 C (81.0 F)	35 of 100 (Notable)
St Peter	United States	Record high maximum temperature	41.7 C (107.1 F)	34 of 100 (Routine)
Sandy Lake Dam Libby	United States	Record high maximum temperature	38.3 C (100.9 F)	34 of 100 (Routine)
Meadow Valley Rs	United States	Record high maximum temperature	41.1 C (106.0 F)	34 of 100 (Routine)
Bird Island	United States	Record high maximum temperature	41.1 C (106.0 F)	33 of 100 (Routine)
Mitchell 2 N	United States	Record high minimum temperature	25.6 C (78.1 F)	33 of 100 (Routine)
Aurora Water	United States	Record high maximum temperature	40.0 C (104.0 F)	32 of 100 (Routine)
Sycamore	United States	Record high maximum temperature	41.7 C (107.1 F)	32 of 100 (Routine)
Ottawa 4SW	United States	Record high maximum temperature	41.1 C (106.0 F)	31 of 100 (Routine)
Millerton	United States	Record high minimum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
Ironwood	United States	Record high maximum temperature	37.8 C (100.0 F)	31 of 100 (Routine)
Fergus Falls	United States	Record high minimum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record high minimum temperature	25.6 C (78.1 F)	31 of 100 (Routine)
Malvern	United States	Record high maximum temperature	38.3 C (100.9 F)	30 of 100 (Routine)
Logan 1 WNW	United States	Record high maximum temperature	41.1 C (106.0 F)	30 of 100 (Routine)
Winnibigoshish Dam	United States	Record high maximum temperature	37.8 C (100.0 F)	30 of 100 (Routine)
Rockford	United States	Record high maximum temperature	41.1 C (106.0 F)	29 of 100 (Routine)
Milan 1NW	United States	Record high minimum temperature	26.7 C (80.1 F)	29 of 100 (Routine)
Pokegama Dam	United States	Record high maximum temperature	38.3 C (100.9 F)	29 of 100 (Routine)
Neillsville 3ESE	United States	Record high maximum temperature	40.6 C (105.1 F)	29 of 100 (Routine)
Oconto 4 W	United States	Record high maximum temperature	36.7 C (98.1 F)	29 of 100 (Routine)
Stanley Wwtp	United States	Record high maximum temperature	41.7 C (107.1 F)	29 of 100 (Routine)
Pembina	United States	Record high maximum temperature	41.1 C (106.0 F)	29 of 100 (Routine)
Tanjavur	India	Record daily precipitation	52.3 mm (2.1 in)	28 of 100 (Routine)
Bloomington Normal	United States	Record high maximum temperature	39.4 C (102.9 F)	28 of 100 (Routine)
Leech Lake	United States	Record high maximum temperature	38.9 C (102.0 F)	28 of 100 (Routine)
Maple Plain	United States	Record high maximum temperature	44.4 C (111.9 F)	28 of 100 (Routine)
Albion	United States	Record high minimum temperature	23.9 C (75.0 F)	28 of 100 (Routine)
Canton	United States	Record high minimum temperature	26.7 C (80.1 F)	28 of 100 (Routine)
Tyndall	United States	Record high minimum temperature	25.6 C (78.1 F)	28 of 100 (Routine)
Concordia ASOS	United States	Record high minimum temperature	24.4 C (75.9 F)	28 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record high maximum temperature	39.4 C (102.9 F)	28 of 100 (Routine)
Conway	United States	Record high maximum temperature	38.3 C (100.9 F)	27 of 100 (Routine)
Havana	United States	Record high minimum temperature	25.0 C (77.0 F)	27 of 100 (Routine)
Pipestone	United States	Record high minimum temperature	24.4 C (75.9 F)	27 of 100 (Routine)
Zumbrota	United States	Record high maximum temperature	41.1 C (106.0 F)	27 of 100 (Routine)
Ashland #2	United States	Record high minimum temperature	26.1 C (79.0 F)	27 of 100 (Routine)
Wahpeton 3 N	United States	Record high minimum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
Marion	United States	Record high minimum temperature	25.6 C (78.1 F)	27 of 100 (Routine)
Lancaster 4 WSW	United States	Record high maximum temperature	40.0 C (104.0 F)	27 of 100 (Routine)
New Burnside	United States	Record high maximum temperature	36.7 C (98.1 F)	26 of 100 (Routine)
Afton	United States	Record high minimum temperature	21.7 C (71.1 F)	26 of 100 (Routine)
Ames 3 SW	United States	Record high minimum temperature	22.8 C (73.0 F)	26 of 100 (Routine)
Guthrie Ctr	United States	Record high maximum temperature	40.6 C (105.1 F)	26 of 100 (Routine)
Guthrie Ctr	United States	Record high minimum temperature	22.8 C (73.0 F)	26 of 100 (Routine)
Indianola 1SW	United States	Record high minimum temperature	23.9 C (75.0 F)	26 of 100 (Routine)
Iowa Falls	United States	Record high maximum temperature	41.7 C (107.1 F)	26 of 100 (Routine)
Trenton	United States	Record high maximum temperature	40.0 C (104.0 F)	26 of 100 (Routine)
Beatrice	United States	Record high maximum temperature	41.7 C (107.1 F)	26 of 100 (Routine)
Florence	United States	Record high maximum temperature	36.7 C (98.1 F)	26 of 100 (Routine)
S Bend AP	United States	Record high maximum temperature	35.6 C (96.1 F)	26 of 100 (Routine)
La Harpe	United States	Record high maximum temperature	40.6 C (105.1 F)	25 of 100 (Routine)

Counts by Type and Timescale

782 records

Records set or tied on 31 May 1934 by type: Highest daily maximum 483, Lowest daily maximum 10, Highest daily minimum 230, Lowest daily minimum 11, Heaviest daily rainfall 47, Deepest snow cover 1.

Records on 31 May 1934 by type
Record type	Records
Highest daily maximum	483
Lowest daily maximum	10
Highest daily minimum	230
Lowest daily minimum	11
Heaviest daily rainfall	47
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 31 May 1934 by timescale: all-time 48, monthly 286, daily 448.

How Much Records Were Beaten By

612 broken records

Margins by which the 612 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 46.5. Ties are not counted.

Top 20 by Significance

31 May 1934

Top 20 records on 31 May 1934 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 May 1934	Farmington 3NW, US	all-time high max	41.7 C (107.1 F)	1.7 C (3.1 F)	40 years	38 of 100 (Notable)
31 May 1934	Eau Claire, US	all-time high max	41.7 C (107.1 F)	2.3 C (4.1 F)	32 years	37 of 100 (Notable)
31 May 1934	Grantsburg, US	all-time high max	42.2 C (108.0 F)	1.6 C (2.9 F)	39 years	37 of 100 (Notable)
31 May 1934	La Crosse Wb City, US	all-time high max	41.7 C (107.1 F)	1.7 C (3.1 F)	32 years	37 of 100 (Notable)
31 May 1934	Faribault, US	all-time high max	42.2 C (108.0 F)	2.2 C (4.0 F)	32 years	36 of 100 (Notable)
31 May 1934	Spooner Ag Rsch STN, US	all-time high max	40.0 C (104.0 F)	1.1 C (2.0 F)	39 years	36 of 100 (Notable)
31 May 1934	Viroqua, US	all-time high max	41.1 C (106.0 F)	1.7 C (3.1 F)	32 years	36 of 100 (Notable)
31 May 1934	Grundy Ctr, US	all-time high max	41.1 C (106.0 F)	0.5 C (0.9 F)	39 years	35 of 100 (Notable)
31 May 1934	Hebron, US	monthly high min	27.2 C (81.0 F)	5.0 C (9.0 F)	39 years	35 of 100 (Notable)
31 May 1934	St Peter, US	all-time high max	41.7 C (107.1 F)	0.6 C (1.1 F)	32 years	34 of 100 (Routine)
31 May 1934	Sandy Lake Dam Libby, US	all-time high max	38.3 C (100.9 F)	1.6 C (2.9 F)	32 years	34 of 100 (Routine)
31 May 1934	Meadow Valley Rs, US	all-time high max	41.1 C (106.0 F)	1.1 C (2.0 F)	32 years	34 of 100 (Routine)
31 May 1934	Bird Island, US	all-time high max	41.1 C (106.0 F)	0.5 C (0.9 F)	32 years	33 of 100 (Routine)
31 May 1934	Mitchell 2 N, US	monthly high min	25.6 C (78.1 F)	3.9 C (7.0 F)	40 years	33 of 100 (Routine)
31 May 1934	Aurora Water, US	monthly high max	40.0 C (104.0 F)	4.4 C (7.9 F)	38 years	32 of 100 (Routine)
31 May 1934	Sycamore, US	all-time high max	41.7 C (107.1 F)	0.6 C (1.1 F)	32 years	32 of 100 (Routine)
31 May 1934	Ottawa 4SW, US	monthly high max	41.1 C (106.0 F)	3.9 C (7.0 F)	38 years	31 of 100 (Routine)
31 May 1934	Millerton, US	monthly high min	23.3 C (73.9 F)	2.7 C (4.9 F)	40 years	31 of 100 (Routine)
31 May 1934	Ironwood, US	all-time high max	37.8 C (100.0 F)	0.6 C (1.1 F)	27 years	31 of 100 (Routine)
31 May 1934	Fergus Falls, US	monthly high min	23.3 C (73.9 F)	3.3 C (5.9 F)	38 years	31 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 1934

Records set or tied on this calendar date in each year from 1811 to 1934. 1934 had 782 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 1934-05-31: 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	596
10 to 20	11
20 to 30	3
30 to 40	0
40 to 50	2