Weather Records on 31 May 1949

303 weather records were set or tied worldwide on 31 May 1949. Highest significance: Greensboro, US.

Key Facts for 31 May 1949

On 31 May 1949, 303 weather records were set or tied at long-record stations worldwide.
87 were record highs and 42 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 288 daily.
Greensboro set a monthly record daily precipitation of 125.7 mm (4.9 in) on 31 May 1949.
Across 161 earlier years (1811 to 2026) the same calendar date averaged 438 records.

Record Map

303 stations

303 station records on 31 May 1949 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 May 1949: highest significance records shown on the map
Station	Country	Type	Value	Significance
Greensboro	United States	Record daily precipitation	125.7 mm (4.9 in)	64 of 100 (Major)
Churu	India	Record daily precipitation	61.5 mm (2.4 in)	60 of 100 (Major)
Ichhawar	India	Record daily precipitation	74.9 mm (2.9 in)	54 of 100 (Notable)
Virden	Canada	Record daily precipitation	62.0 mm (2.4 in)	52 of 100 (Notable)
Russell	Canada	Record daily precipitation	32.5 mm (1.3 in)	48 of 100 (Notable)
Outlook	Canada	Record daily precipitation	45.7 mm (1.8 in)	42 of 100 (Notable)
Malkapur	India	Record daily precipitation	51.8 mm (2.0 in)	42 of 100 (Notable)
Covington	United States	Record daily precipitation	62.2 mm (2.4 in)	42 of 100 (Notable)
Cypress River	Canada	Record daily precipitation	41.7 mm (1.6 in)	41 of 100 (Notable)
Wood	United States	Record daily precipitation	43.4 mm (1.7 in)	40 of 100 (Notable)
Parbatsar	India	Record daily precipitation	44.5 mm (1.8 in)	39 of 100 (Notable)
Onida 4 NW	United States	Record daily precipitation	50.8 mm (2.0 in)	38 of 100 (Notable)
Pierson	Canada	Record daily precipitation	54.9 mm (2.2 in)	36 of 100 (Notable)
Mykland	Norway	Record daily precipitation	33.6 mm (1.3 in)	34 of 100 (Routine)
Gongolgon Post Office	Australia	Record daily precipitation	26.9 mm (1.1 in)	33 of 100 (Routine)
East Anaconda	United States	Record daily precipitation	28.2 mm (1.1 in)	33 of 100 (Routine)
Calhoun Falls	United States	Record daily precipitation	51.3 mm (2.0 in)	33 of 100 (Routine)
Whitewood	Canada	Record daily precipitation	34.5 mm (1.4 in)	32 of 100 (Routine)
Amarwara	India	Record daily precipitation	32.3 mm (1.3 in)	32 of 100 (Routine)
Bowdle	United States	Record daily precipitation	57.2 mm (2.3 in)	32 of 100 (Routine)
Gundare	Australia	Record daily precipitation	30.7 mm (1.2 in)	30 of 100 (Routine)
Patur	India	Record daily precipitation	59.9 mm (2.4 in)	30 of 100 (Routine)
Mestad I Oddernes	Norway	Record daily precipitation	30.3 mm (1.2 in)	30 of 100 (Routine)
Evergreen	United States	Record daily precipitation	50.0 mm (2.0 in)	30 of 100 (Routine)
Whiteriver 1 SW	United States	Record high minimum temperature	18.9 C (66.0 F)	30 of 100 (Routine)
Eureka	United States	Record daily precipitation	43.4 mm (1.7 in)	30 of 100 (Routine)
Melbourne Regional Office	Australia	Record low maximum temperature	8.7 C (47.7 F)	29 of 100 (Routine)
Ratlam	India	Record daily precipitation	45.7 mm (1.8 in)	29 of 100 (Routine)
Angus 1 N	United States	Record daily precipitation	30.2 mm (1.2 in)	29 of 100 (Routine)
Pachmarhi	India	Record daily precipitation	29.0 mm (1.1 in)	28 of 100 (Routine)
Gariabund	India	Record daily precipitation	49.3 mm (1.9 in)	28 of 100 (Routine)
Dartmoor	Australia	Record daily precipitation	33.3 mm (1.3 in)	27 of 100 (Routine)
Mehgawan	India	Record daily precipitation	38.1 mm (1.5 in)	27 of 100 (Routine)
Cheyyar	India	Record daily precipitation	54.4 mm (2.1 in)	27 of 100 (Routine)
Aleksandrovsk-Sahalinskij	Russia	Record high maximum temperature	24.4 C (75.9 F)	27 of 100 (Routine)
Clayton 1 SSW	United States	Record daily precipitation	42.2 mm (1.7 in)	27 of 100 (Routine)
W Pt	United States	Record daily precipitation	57.2 mm (2.3 in)	27 of 100 (Routine)
Bayrick	Australia	Record daily precipitation	36.8 mm (1.4 in)	26 of 100 (Routine)
Rampur	India	Record daily precipitation	47.8 mm (1.9 in)	26 of 100 (Routine)
Talladega	United States	Record daily precipitation	49.0 mm (1.9 in)	26 of 100 (Routine)
Upper Lake 2 N	United States	Record low minimum temperature	1.7 C (35.1 F)	26 of 100 (Routine)
Norcross	United States	Record daily precipitation	64.8 mm (2.6 in)	26 of 100 (Routine)
Charduar	India	Record daily precipitation	77.2 mm (3.0 in)	25 of 100 (Routine)
Red Lake Falls	United States	Record daily precipitation	52.3 mm (2.1 in)	24 of 100 (Routine)
Thief River Falls	United States	Record daily precipitation	39.6 mm (1.6 in)	24 of 100 (Routine)
Biloxi	United States	Record daily precipitation	58.7 mm (2.3 in)	24 of 100 (Routine)
Southport 5 N	United States	Record daily precipitation	32.5 mm (1.3 in)	24 of 100 (Routine)
Pierre Rgnl AP	United States	Record daily precipitation	62.5 mm (2.5 in)	24 of 100 (Routine)
Paulo Afonso	Brazil	Record daily precipitation	94.0 mm (3.7 in)	23 of 100 (Routine)
Poonampet	India	Record daily precipitation	44.5 mm (1.8 in)	23 of 100 (Routine)
Greenwood	United States	Record daily precipitation	30.5 mm (1.2 in)	23 of 100 (Routine)
Julesburg	United States	Record high minimum temperature	18.3 C (64.9 F)	22 of 100 (Routine)
Mayville	United States	Record daily precipitation	50.3 mm (2.0 in)	22 of 100 (Routine)
Auburn	United States	Record daily precipitation	28.7 mm (1.1 in)	21 of 100 (Routine)
Shubuta	United States	Record daily precipitation	40.1 mm (1.6 in)	21 of 100 (Routine)
Vivian	United States	Record daily precipitation	65.8 mm (2.6 in)	21 of 100 (Routine)
Jakutsk	Russia	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Nohar	India	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Agar	India	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Chomu	India	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)

Counts by Type and Timescale

303 records

Records set or tied on 31 May 1949 by type: Highest daily maximum 15, Lowest daily maximum 29, Highest daily minimum 72, Lowest daily minimum 13, Heaviest daily rainfall 173, Heaviest daily snowfall 1.

Records on 31 May 1949 by type
Record type	Records
Highest daily maximum	15
Lowest daily maximum	29
Highest daily minimum	72
Lowest daily minimum	13
Heaviest daily rainfall	173
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 31 May 1949 by timescale: all-time 0, monthly 15, daily 288.

How Much Records Were Beaten By

236 broken records

Margins by which the 236 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 73.9. Ties are not counted.

Top 20 by Significance

31 May 1949

Top 20 records on 31 May 1949 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 May 1949	Greensboro, US	monthly rain	125.7 mm (4.9 in)	73.9 mm (2.9 in)	34 years	64 of 100 (Major)
31 May 1949	Churu, IN	monthly rain	61.5 mm (2.4 in)	25.9 mm (1.0 in)	23 years	60 of 100 (Major)
31 May 1949	Ichhawar, IN	monthly rain	74.9 mm (2.9 in)	34.3 mm (1.4 in)	11 years	54 of 100 (Notable)
31 May 1949	Virden, CA	daily rain	62.0 mm (2.4 in)	53.4 mm (2.1 in)	20 years	52 of 100 (Notable)
31 May 1949	Russell, CA	daily rain	32.5 mm (1.3 in)	16.5 mm (0.6 in)	62 years	48 of 100 (Notable)
31 May 1949	Outlook, CA	daily rain	45.7 mm (1.8 in)	22.8 mm (0.9 in)	26 years	42 of 100 (Notable)
31 May 1949	Malkapur, IN	daily rain	51.8 mm (2.0 in)	38.1 mm (1.5 in)	11 years	42 of 100 (Notable)
31 May 1949	Covington, US	daily rain	62.2 mm (2.4 in)	29.4 mm (1.2 in)	46 years	42 of 100 (Notable)
31 May 1949	Cypress River, CA	daily rain	41.7 mm (1.6 in)	20.1 mm (0.8 in)	40 years	41 of 100 (Notable)
31 May 1949	Wood, US	daily rain	43.4 mm (1.7 in)	28.7 mm (1.1 in)	20 years	40 of 100 (Notable)
31 May 1949	Parbatsar, IN	monthly rain	44.5 mm (1.8 in)	13.0 mm (0.5 in)	20 years	39 of 100 (Notable)
31 May 1949	Onida 4 NW, US	daily rain	50.8 mm (2.0 in)	35.1 mm (1.4 in)	6 years	38 of 100 (Notable)
31 May 1949	Pierson, CA	daily rain	54.9 mm (2.2 in)	18.8 mm (0.7 in)	40 years	36 of 100 (Notable)
31 May 1949	Mykland, NO	daily rain	33.6 mm (1.3 in)	17.5 mm (0.7 in)	18 years	34 of 100 (Routine)
31 May 1949	Gongolgon Post Office, AU	daily rain	26.9 mm (1.1 in)	10.9 mm (0.4 in)	57 years	33 of 100 (Routine)
31 May 1949	East Anaconda, US	daily rain	28.2 mm (1.1 in)	9.4 mm (0.37 in)	40 years	33 of 100 (Routine)
31 May 1949	Calhoun Falls, US	daily rain	51.3 mm (2.0 in)	28.9 mm (1.1 in)	26 years	33 of 100 (Routine)
31 May 1949	Whitewood, CA	daily rain	34.5 mm (1.4 in)	16.2 mm (0.6 in)	31 years	32 of 100 (Routine)
31 May 1949	Amarwara, IN	daily rain	32.3 mm (1.3 in)	19.6 mm (0.8 in)	6 years	32 of 100 (Routine)
31 May 1949	Bowdle, US	daily rain	57.2 mm (2.3 in)	16.6 mm (0.7 in)	40 years	32 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 1949

Records set or tied on this calendar date in each year from 1811 to 1949. 1949 had 303 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 1949-05-31: 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	179
10 to 20	38
20 to 30	13
30 to 40	4
40 to 50	0
50 to 60	1
60 to 70	0
70 to 80	1