Weather Records on 31 May 1948

295 weather records were set or tied worldwide on 31 May 1948. Highest significance: Merced, US.

Key Facts for 31 May 1948

On 31 May 1948, 295 weather records were set or tied at long-record stations worldwide.
90 were record highs and 49 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 12 monthly and 282 daily.
Merced set a daily record precipitation of 26.7 mm (1.1 in) on 31 May 1948.
Across 161 earlier years (1811 to 2026) the same calendar date averaged 438 records.

Record Map

295 stations

295 station records on 31 May 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 May 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Merced	United States	Record daily precipitation	26.7 mm (1.1 in)	58 of 100 (Notable)
Minsk	Belarus	Record daily precipitation	39.8 mm (1.6 in)	55 of 100 (Notable)
Nicolaus	United States	Record daily precipitation	60.2 mm (2.4 in)	55 of 100 (Notable)
Edenton	United States	Record daily precipitation	81.3 mm (3.2 in)	55 of 100 (Notable)
Takoma Park # 1	United States	Record daily precipitation	58.4 mm (2.3 in)	50 of 100 (Notable)
Sorve	Estonia	Record daily precipitation	29.1 mm (1.1 in)	49 of 100 (Notable)
Mariyna Gorka	Belarus	Record daily precipitation	27.1 mm (1.1 in)	48 of 100 (Notable)
Milford 2 SE	United States	Record daily precipitation	88.9 mm (3.5 in)	47 of 100 (Notable)
Westminster 2 SSE	United States	Record daily precipitation	56.4 mm (2.2 in)	46 of 100 (Notable)
Jaipur	India	Record daily precipitation	110.0 mm (4.3 in)	45 of 100 (Notable)
N Fk Rs	United States	Record daily precipitation	32.0 mm (1.3 in)	44 of 100 (Notable)
Holdenville 2SSE	United States	Record daily precipitation	118.9 mm (4.7 in)	44 of 100 (Notable)
Brockton	United States	Record daily precipitation	43.4 mm (1.7 in)	40 of 100 (Notable)
Dawson	United States	Record daily precipitation	41.7 mm (1.6 in)	39 of 100 (Notable)
Sonari	India	Record daily precipitation	84.3 mm (3.3 in)	37 of 100 (Notable)
Chama	United States	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Alamogordo	United States	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Corona	United States	Record daily precipitation	26.2 mm (1.0 in)	35 of 100 (Notable)
Dhandhuka	India	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
Plymouth-Kingston	United States	Record daily precipitation	49.0 mm (1.9 in)	34 of 100 (Routine)
Thorpdale State School	Australia	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Loving	United States	Record daily precipitation	101.1 mm (4.0 in)	33 of 100 (Routine)
Leongatha Sth Gippsland Water	Australia	Record daily precipitation	36.1 mm (1.4 in)	32 of 100 (Routine)
Roxboro 7 ESE	United States	Record daily precipitation	73.7 mm (2.9 in)	32 of 100 (Routine)
Cape May 2 NW	United States	Record daily precipitation	34.5 mm (1.4 in)	31 of 100 (Routine)
Pottstown	United States	Record daily precipitation	36.6 mm (1.4 in)	31 of 100 (Routine)
Wonthaggi	Australia	Record daily precipitation	32.0 mm (1.3 in)	30 of 100 (Routine)
Ljubljana Bezigrad	Slovenia	Record low minimum temperature	3.7 C (38.7 F)	30 of 100 (Routine)
Newman	United States	Record daily precipitation	26.9 mm (1.1 in)	29 of 100 (Routine)
Fort Simpson	Canada	Record high minimum temperature	13.3 C (55.9 F)	28 of 100 (Routine)
Tartu-Toravere	Estonia	Record high minimum temperature	15.6 C (60.1 F)	27 of 100 (Routine)
Gudauri	Georgia	Record daily precipitation	45.1 mm (1.8 in)	27 of 100 (Routine)
College Park	United States	Record daily precipitation	41.1 mm (1.6 in)	27 of 100 (Routine)
Gatesville	United States	Record daily precipitation	40.6 mm (1.6 in)	27 of 100 (Routine)
Aldivaloch (Budgeree)	Australia	Record daily precipitation	25.4 mm (1.0 in)	26 of 100 (Routine)
Zagreb-Gric	Croatia	Record low minimum temperature	7.7 C (45.9 F)	26 of 100 (Routine)
Huehue 92.1	United States	Record daily precipitation	62.2 mm (2.4 in)	26 of 100 (Routine)
Broome Post Office	Australia	Record high maximum temperature	36.1 C (97.0 F)	24 of 100 (Routine)
Illerbrun	Canada	Record daily precipitation	34.3 mm (1.4 in)	24 of 100 (Routine)
Santa Fe	United States	Record high minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Launiupoko Intake 376	United States	Record daily precipitation	28.2 mm (1.1 in)	24 of 100 (Routine)
Viljujsk	Russia	Record high minimum temperature	12.0 C (53.6 F)	23 of 100 (Routine)
Crescent City 3 NNW	United States	Record high minimum temperature	12.2 C (54.0 F)	22 of 100 (Routine)
New Bedford Coop	United States	Record daily precipitation	59.4 mm (2.3 in)	22 of 100 (Routine)
Charleville Post Office	Australia	Record low minimum temperature	-1.4 C (29.5 F)	21 of 100 (Routine)
Saskatoon Diefenbaker Int'l A	Canada	Record high maximum temperature	29.4 C (84.9 F)	21 of 100 (Routine)
Sibsagar	India	Record daily precipitation	70.6 mm (2.8 in)	21 of 100 (Routine)
Cidra 1 E	Puerto Rico [United States]	Record high minimum temperature	21.7 C (71.1 F)	21 of 100 (Routine)
Ballinger 2 NW	United States	Record high minimum temperature	22.8 C (73.0 F)	21 of 100 (Routine)
Pinsk	Belarus	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Tunnsjo	Norway	Record daily precipitation	20.0 mm (0.8 in)	20 of 100 (Routine)
Marysville D St Brg	United States	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Orskar_A	Sweden	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Le Grand	United States	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Los Alamos	United States	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)
Mariposa	United States	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Bluewater 3 WSW	United States	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Gumri	Armenia	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Davis 2 WSW Exp Farm	United States	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Los Banos	United States	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)

Counts by Type and Timescale

295 records

Records set or tied on 31 May 1948 by type: Highest daily maximum 33, Lowest daily maximum 25, Highest daily minimum 57, Lowest daily minimum 24, Heaviest daily rainfall 155, Heaviest daily snowfall 1.

Records on 31 May 1948 by type
Record type	Records
Highest daily maximum	33
Lowest daily maximum	25
Highest daily minimum	57
Lowest daily minimum	24
Heaviest daily rainfall	155
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 31 May 1948 by timescale: all-time 1, monthly 12, daily 282.

How Much Records Were Beaten By

250 broken records

Margins by which the 250 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 82.6. Ties are not counted.

Top 20 by Significance

31 May 1948

Top 20 records on 31 May 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 May 1948	Merced, US	daily rain	26.7 mm (1.1 in)	26.7 mm (1.1 in)	48 years	58 of 100 (Notable)
31 May 1948	Minsk, BY	daily rain	39.8 mm (1.6 in)	32.2 mm (1.3 in)	34 years	55 of 100 (Notable)
31 May 1948	Nicolaus, US	monthly rain	60.2 mm (2.4 in)	27.4 mm (1.1 in)	7 years	55 of 100 (Notable)
31 May 1948	Edenton, US	daily rain	81.3 mm (3.2 in)	55.9 mm (2.2 in)	32 years	55 of 100 (Notable)
31 May 1948	Takoma Park # 1, US	daily rain	58.4 mm (2.3 in)	32.2 mm (1.3 in)	47 years	50 of 100 (Notable)
31 May 1948	Sorve, EE	daily rain	29.1 mm (1.1 in)	19.1 mm (0.8 in)	12 years	49 of 100 (Notable)
31 May 1948	Mariyna Gorka, BY	daily rain	27.1 mm (1.1 in)	19.8 mm (0.8 in)	20 years	48 of 100 (Notable)
31 May 1948	Milford 2 SE, US	daily rain	88.9 mm (3.5 in)	50.8 mm (2.0 in)	8 years	47 of 100 (Notable)
31 May 1948	Westminster 2 SSE, US	daily rain	56.4 mm (2.2 in)	37.1 mm (1.5 in)	17 years	46 of 100 (Notable)
31 May 1948	Jaipur, IN	daily rain	110.0 mm (4.3 in)	50.3 mm (2.0 in)	38 years	45 of 100 (Notable)
31 May 1948	N Fk Rs, US	daily rain	32.0 mm (1.3 in)	28.2 mm (1.1 in)	37 years	44 of 100 (Notable)
31 May 1948	Holdenville 2SSE, US	daily rain	118.9 mm (4.7 in)	82.6 mm (3.3 in)	2 years	44 of 100 (Notable)
31 May 1948	Brockton, US	daily rain	43.4 mm (1.7 in)	16.7 mm (0.7 in)	50 years	40 of 100 (Notable)
31 May 1948	Dawson, US	daily rain	41.7 mm (1.6 in)	26.2 mm (1.0 in)	18 years	39 of 100 (Notable)
31 May 1948	Sonari, IN	daily rain	84.3 mm (3.3 in)	41.1 mm (1.6 in)	35 years	37 of 100 (Notable)
31 May 1948	Chama, US	daily rain	25.4 mm (1.0 in)	13.2 mm (0.5 in)	26 years	37 of 100 (Notable)
31 May 1948	Alamogordo, US	daily rain	25.4 mm (1.0 in)	14.5 mm (0.6 in)	34 years	36 of 100 (Notable)
31 May 1948	Corona, US	daily rain	26.2 mm (1.0 in)	18.6 mm (0.7 in)	34 years	35 of 100 (Notable)
31 May 1948	Dhandhuka, IN	daily rain	31.8 mm (1.3 in)	23.4 mm (0.9 in)	28 years	34 of 100 (Routine)
31 May 1948	Plymouth-Kingston, US	daily rain	49.0 mm (1.9 in)	23.6 mm (0.9 in)	36 years	34 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 1948

Records set or tied on this calendar date in each year from 1811 to 1948. 1948 had 295 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 1948-05-31: 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 20	230
20 to 40	14
40 to 60	4
60 to 80	1
80 to 100	1