Weather Records on 31 May 1923

98 weather records were set or tied worldwide on 31 May 1923. Highest significance: Augusta, US.

Key Facts for 31 May 1923

On 31 May 1923, 98 weather records were set or tied at long-record stations worldwide.
49 were record highs and 30 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 95 daily.
Augusta set a daily record precipitation of 55.6 mm (2.2 in) on 31 May 1923.
Across 161 earlier years (1811 to 2026) the same calendar date averaged 440 records.

Record Map

98 stations

98 station records on 31 May 1923 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 May 1923: highest significance records shown on the map
Station	Country	Type	Value	Significance
Augusta	United States	Record daily precipitation	55.6 mm (2.2 in)	40 of 100 (Notable)
Chaplin	Canada	Record daily precipitation	45.7 mm (1.8 in)	36 of 100 (Notable)
Indian Head Cda	Canada	Record daily precipitation	28.4 mm (1.1 in)	32 of 100 (Routine)
Oxford	United Kingdom	Record low maximum temperature	12.7 C (54.9 F)	30 of 100 (Routine)
Stillwater 2 W	United States	Record daily precipitation	39.1 mm (1.5 in)	23 of 100 (Routine)
Dalby Post Office	Australia	Record high maximum temperature	30.3 C (86.5 F)	22 of 100 (Routine)
Calgary Int'l A	Canada	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Port Campbell Post Office	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Medicine Hat A	Canada	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record high minimum temperature	21.1 C (70.0 F)	20 of 100 (Routine)
Grantsburg	United States	Record high minimum temperature	20.6 C (69.1 F)	20 of 100 (Routine)
Scottsbluff W B Heilig Fld AP	United States	Record high minimum temperature	16.1 C (61.0 F)	20 of 100 (Routine)
Altentreptow	Germany	Record daily precipitation	13.0 mm (0.5 in)	19 of 100 (Routine)
Boulia Airport	Australia	Record high maximum temperature	32.9 C (91.2 F)	18 of 100 (Routine)
Gunnedah Pool	Australia	Record high maximum temperature	26.7 C (80.1 F)	18 of 100 (Routine)
Miles City	United States	Record daily precipitation	23.4 mm (0.9 in)	18 of 100 (Routine)
Winnemucca AP	United States	Record low maximum temperature	9.4 C (48.9 F)	17 of 100 (Routine)
Alice Springs Post Office	Australia	Record high maximum temperature	29.4 C (84.9 F)	16 of 100 (Routine)
Brisbane Regional Office	Australia	Record high maximum temperature	29.4 C (84.9 F)	16 of 100 (Routine)
Goondiwindi Post Office	Australia	Record high maximum temperature	28.3 C (82.9 F)	16 of 100 (Routine)
Charleville Post Office	Australia	Record high maximum temperature	30.6 C (87.1 F)	16 of 100 (Routine)
Vasilevici	Belarus	Record daily precipitation	10.3 mm (0.4 in)	16 of 100 (Routine)
Bathurst	Canada	Record low maximum temperature	11.7 C (53.1 F)	16 of 100 (Routine)
Zagreb-Gric	Croatia	Record high minimum temperature	19.6 C (67.3 F)	16 of 100 (Routine)
Sheffield	United Kingdom	Record low maximum temperature	10.0 C (50.0 F)	16 of 100 (Routine)
Huron Rgnl AP	United States	Record high maximum temperature	29.4 C (84.9 F)	15 of 100 (Routine)
Beeac (Eurack)	Australia	Record daily precipitation	15.7 mm (0.6 in)	14 of 100 (Routine)
Stockton 2	United States	Record low minimum temperature	7.2 C (45.0 F)	14 of 100 (Routine)
Klamath Falls 2 SSW	United States	Record low maximum temperature	11.7 C (53.1 F)	14 of 100 (Routine)
Emerald Post Office	Australia	Record high maximum temperature	31.1 C (88.0 F)	13 of 100 (Routine)
Willaura (Yarram Park)	Australia	Record daily precipitation	13.7 mm (0.5 in)	13 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record high minimum temperature	16.7 C (62.1 F)	13 of 100 (Routine)
Muenster	Germany	Record low maximum temperature	11.9 C (53.4 F)	13 of 100 (Routine)
Needles	United States	Record low maximum temperature	30.0 C (86.0 F)	13 of 100 (Routine)
Payette	United States	Record low maximum temperature	12.2 C (54.0 F)	13 of 100 (Routine)
Minneapolis Wb Dwtn	United States	Record high maximum temperature	30.0 C (86.0 F)	13 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record daily precipitation	18.5 mm (0.7 in)	12 of 100 (Routine)
Colac (Badlingham)	Australia	Record daily precipitation	15.2 mm (0.6 in)	12 of 100 (Routine)
Kamloops	Canada	Record low maximum temperature	15.6 C (60.1 F)	12 of 100 (Routine)
Indian Head Cda	Canada	Record high minimum temperature	12.8 C (55.0 F)	12 of 100 (Routine)
Jokkmokk	Sweden	Record low minimum temperature	-2.7 C (27.1 F)	12 of 100 (Routine)
Fergus Falls	United States	Record high maximum temperature	31.7 C (89.1 F)	12 of 100 (Routine)
Hartington	United States	Record high minimum temperature	16.7 C (62.1 F)	12 of 100 (Routine)
Grand Forks UNIV (NWS)	United States	Record high minimum temperature	16.7 C (62.1 F)	12 of 100 (Routine)
Bird Island	United States	Record high maximum temperature	30.0 C (86.0 F)	11 of 100 (Routine)
Fergus Falls	United States	Record high minimum temperature	17.2 C (63.0 F)	11 of 100 (Routine)
Howard	United States	Record high minimum temperature	16.1 C (61.0 F)	11 of 100 (Routine)
Pointe Au Pere	Canada	Record low minimum temperature	-2.2 C (28.0 F)	10 of 100 (Routine)
St John's	Canada	Record low maximum temperature	3.3 C (37.9 F)	10 of 100 (Routine)
Mahackala	Russia	Record high minimum temperature	18.6 C (65.5 F)	10 of 100 (Routine)
Covington 8 WNW	United States	Record high minimum temperature	25.6 C (78.1 F)	10 of 100 (Routine)
Joseph	United States	Record daily precipitation	7.1 mm (0.28 in)	10 of 100 (Routine)
Clinton	United States	Record daily precipitation	26.2 mm (1.0 in)	10 of 100 (Routine)
Burdekin Shire Council	Australia	Record high minimum temperature	18.9 C (66.0 F)	9 of 100 (Routine)
Galway	Ireland	Record low maximum temperature	10.0 C (50.0 F)	9 of 100 (Routine)
Santa Barbara	United States	Record low minimum temperature	4.4 C (39.9 F)	9 of 100 (Routine)
Colby	United States	Record high minimum temperature	17.8 C (64.0 F)	9 of 100 (Routine)
Grand Forks UNIV (NWS)	United States	Record high maximum temperature	29.4 C (84.9 F)	9 of 100 (Routine)
Blackwarry	Australia	Record daily precipitation	19.8 mm (0.8 in)	8 of 100 (Routine)
Dunkeld	Australia	Record daily precipitation	13.2 mm (0.5 in)	8 of 100 (Routine)

Counts by Type and Timescale

98 records

Records set or tied on 31 May 1923 by type: Highest daily maximum 26, Lowest daily maximum 14, Highest daily minimum 23, Lowest daily minimum 16, Heaviest daily rainfall 19.

Records on 31 May 1923 by type
Record type	Records
Highest daily maximum	26
Lowest daily maximum	14
Highest daily minimum	23
Lowest daily minimum	16
Heaviest daily rainfall	19
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 May 1923 by timescale: all-time 0, monthly 3, daily 95.

How Much Records Were Beaten By

77 broken records

Margins by which the 77 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 43.4. Ties are not counted.

Top 20 by Significance

31 May 1923

Top 20 records on 31 May 1923 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 May 1923	Augusta, US	daily rain	55.6 mm (2.2 in)	43.4 mm (1.7 in)	6 years	40 of 100 (Notable)
31 May 1923	Chaplin, CA	daily rain	45.7 mm (1.8 in)	18.3 mm (0.7 in)	33 years	36 of 100 (Notable)
31 May 1923	Indian Head Cda, CA	daily rain	28.4 mm (1.1 in)	20.8 mm (0.8 in)	23 years	32 of 100 (Routine)
31 May 1923	Oxford, GB	daily low max	12.7 C (54.9 F)	0.1 C (0.2 F)	67 years	30 of 100 (Routine)
31 May 1923	Stillwater 2 W, US	daily rain	39.1 mm (1.5 in)	33.5 mm (1.3 in)	12 years	23 of 100 (Routine)
31 May 1923	Dalby Post Office, AU	daily high max	30.3 C (86.5 F)	4.7 C (8.5 F)	16 years	22 of 100 (Routine)
31 May 1923	Calgary Int'l A, CA	daily rain	23.9 mm (0.9 in)	12.5 mm (0.5 in)	24 years	20 of 100 (Routine)
31 May 1923	Port Campbell Post Office, AU	daily rain	21.6 mm (0.9 in)	5.6 mm (0.22 in)	33 years	20 of 100 (Routine)
31 May 1923	Medicine Hat A, CA	daily rain	19.1 mm (0.8 in)	6.9 mm (0.27 in)	25 years	20 of 100 (Routine)
31 May 1923	Morris W Cntrl Rsch & Outreach, US	daily high min	21.1 C (70.0 F)	5.0 C (9.0 F)	27 years	20 of 100 (Routine)
31 May 1923	Grantsburg, US	monthly high min	20.6 C (69.1 F)	0.6 C (1.1 F)	23 years	20 of 100 (Routine)
31 May 1923	Scottsbluff W B Heilig Fld AP, US	monthly high min	16.1 C (61.0 F)	0.5 C (0.9 F)	23 years	20 of 100 (Routine)
31 May 1923	Altentreptow, DE	daily rain	13.0 mm (0.5 in)	5.8 mm (0.23 in)	16 years	19 of 100 (Routine)
31 May 1923	Boulia Airport, AU	daily high max	32.9 C (91.2 F)	3.3 C (5.9 F)	24 years	18 of 100 (Routine)
31 May 1923	Gunnedah Pool, AU	daily high max	26.7 C (80.1 F)	1.1 C (2.0 F)	41 years	18 of 100 (Routine)
31 May 1923	Miles City, US	daily rain	23.4 mm (0.9 in)	6.9 mm (0.27 in)	27 years	18 of 100 (Routine)
31 May 1923	Winnemucca AP, US	daily low max	9.4 C (48.9 F)	2.8 C (5.0 F)	31 years	17 of 100 (Routine)
31 May 1923	Alice Springs Post Office, AU	daily high max	29.4 C (84.9 F)	0.5 C (0.9 F)	37 years	16 of 100 (Routine)
31 May 1923	Brisbane Regional Office, AU	daily high max	29.4 C (84.9 F)	3.2 C (5.8 F)	1 year	16 of 100 (Routine)
31 May 1923	Goondiwindi Post Office, AU	daily high max	28.3 C (82.9 F)	2.7 C (4.9 F)	20 years	16 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 1923

Records set or tied on this calendar date in each year from 1811 to 1923. 1923 had 98 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 1923-05-31: 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).

Histogram of margins by which records were beaten on 31 May 1923
Margin	Records
0 to 10	72
10 to 20	2
20 to 30	1
30 to 40	1
40 to 50	1