Weather Records on 31 May 1972

1,127 weather records were set or tied worldwide on 31 May 1972. Highest significance: Ajo, US.

Key Facts for 31 May 1972

On 31 May 1972, 1,127 weather records were set or tied at long-record stations worldwide.
345 were record highs and 396 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 28 monthly and 1,098 daily.
Ajo set a monthly record daily precipitation of 32.0 mm (1.3 in) on 31 May 1972.
Across 161 earlier years (1811 to 2026) the same calendar date averaged 433 records.

Record Map

1,127 stations

1,127 station records on 31 May 1972 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 May 1972: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ajo	United States	Record daily precipitation	32.0 mm (1.3 in)	67 of 100 (Major)
Gronbaek-Allingskovgard	Denmark	Record daily precipitation	25.1 mm (1.0 in)	62 of 100 (Major)
Oak Park	Australia	Record daily precipitation	38.6 mm (1.5 in)	57 of 100 (Notable)
Mormon Flat	United States	Record daily precipitation	28.4 mm (1.1 in)	57 of 100 (Notable)
Penedo	Brazil	Record daily precipitation	98.0 mm (3.9 in)	55 of 100 (Notable)
Oktjabrskaja	Russia	Record daily precipitation	34.1 mm (1.3 in)	51 of 100 (Notable)
Ogdensburg 4 NE	United States	Record daily precipitation	33.0 mm (1.3 in)	50 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	43.2 mm (1.7 in)	47 of 100 (Notable)
Middletown 2 NW	United States	Record daily precipitation	63.5 mm (2.5 in)	46 of 100 (Notable)
Hawley 1 E	United States	Record daily precipitation	46.5 mm (1.8 in)	46 of 100 (Notable)
Tacambaro	Mexico	Record daily precipitation	35.3 mm (1.4 in)	45 of 100 (Notable)
Hollisterville	United States	Record daily precipitation	71.1 mm (2.8 in)	45 of 100 (Notable)
Palmerton	United States	Record daily precipitation	74.7 mm (2.9 in)	45 of 100 (Notable)
Richmond Intl AP	United States	Record daily precipitation	53.8 mm (2.1 in)	45 of 100 (Notable)
Pascagoula 3 NE	United States	Record daily precipitation	59.4 mm (2.3 in)	44 of 100 (Notable)
Port Jervis	United States	Record daily precipitation	72.6 mm (2.9 in)	43 of 100 (Notable)
Yamba Pilot Station	Australia	Record daily precipitation	65.3 mm (2.6 in)	42 of 100 (Notable)
Portageville 1N	United States	Record daily precipitation	29.2 mm (1.1 in)	42 of 100 (Notable)
Belfast	United States	Record high minimum temperature	15.6 C (60.1 F)	40 of 100 (Notable)
Eaton	United States	Record daily precipitation	32.3 mm (1.3 in)	40 of 100 (Notable)
Montreal McGill	Canada	Record daily precipitation	60.2 mm (2.4 in)	39 of 100 (Notable)
Antioch	United States	Record low maximum temperature	8.3 C (46.9 F)	39 of 100 (Notable)
Delhi 2 SE	United States	Record daily precipitation	48.3 mm (1.9 in)	39 of 100 (Notable)
Mohonk Lake	United States	Record daily precipitation	69.6 mm (2.7 in)	39 of 100 (Notable)
Sunbury	United States	Record daily precipitation	69.3 mm (2.7 in)	39 of 100 (Notable)
Manubie (Bos)	South Africa	Record daily precipitation	92.5 mm (3.6 in)	38 of 100 (Notable)
Ionia 2SSW	United States	Record low maximum temperature	10.0 C (50.0 F)	38 of 100 (Notable)
Wilmington 3 N	United States	Record daily precipitation	42.2 mm (1.7 in)	38 of 100 (Notable)
Balmorhea	United States	Record daily precipitation	85.6 mm (3.4 in)	38 of 100 (Notable)
Cranbrook	Australia	Record daily precipitation	29.2 mm (1.1 in)	37 of 100 (Notable)
Solomons	United States	Record daily precipitation	54.6 mm (2.1 in)	37 of 100 (Notable)
Anadarko 3 E	United States	Record low minimum temperature	8.3 C (46.9 F)	37 of 100 (Notable)
Pickens 1	United States	Record daily precipitation	56.9 mm (2.2 in)	37 of 100 (Notable)
Marron	Australia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Ridgetown	Canada	Record low maximum temperature	10.6 C (51.1 F)	36 of 100 (Notable)
Paso del Cuarenta I	Mexico	Record daily precipitation	43.9 mm (1.7 in)	36 of 100 (Notable)
Concordia ASOS	United States	Record low minimum temperature	6.1 C (43.0 F)	36 of 100 (Notable)
Danbury	United States	Record daily precipitation	44.7 mm (1.8 in)	35 of 100 (Notable)
Cresco 1 NE	United States	Record low maximum temperature	13.9 C (57.0 F)	35 of 100 (Notable)
Falmouth	United States	Record daily precipitation	27.7 mm (1.1 in)	35 of 100 (Notable)
Benton Harbor AP	United States	Record low maximum temperature	8.9 C (48.0 F)	35 of 100 (Notable)
Enid	United States	Record low minimum temperature	4.4 C (39.9 F)	35 of 100 (Notable)
Mt Locke	United States	Record low maximum temperature	10.6 C (51.1 F)	35 of 100 (Notable)
Bidgemia	Australia	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
Palmeiro Dos Indios	Brazil	Record daily precipitation	40.3 mm (1.6 in)	34 of 100 (Routine)
Vicosa	Brazil	Record daily precipitation	75.1 mm (3.0 in)	34 of 100 (Routine)
Ica	Russia	Record daily precipitation	33.5 mm (1.3 in)	34 of 100 (Routine)
Lakeside Rs	United States	Record daily precipitation	26.4 mm (1.0 in)	34 of 100 (Routine)
Hastings	United States	Record low maximum temperature	11.1 C (52.0 F)	34 of 100 (Routine)
Montrose	United States	Record daily precipitation	28.7 mm (1.1 in)	34 of 100 (Routine)
Marathon	United States	Record low maximum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Webster Springs	United States	Record daily precipitation	37.1 mm (1.5 in)	34 of 100 (Routine)
Dellyanine	Australia	Record daily precipitation	30.5 mm (1.2 in)	33 of 100 (Routine)
Collingwood	Canada	Record low maximum temperature	8.3 C (46.9 F)	33 of 100 (Routine)
Harnosand	Sweden	Record low maximum temperature	5.3 C (41.5 F)	33 of 100 (Routine)
Paris Stp	United States	Record low maximum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Charles City	United States	Record low minimum temperature	2.2 C (36.0 F)	33 of 100 (Routine)
Indianola 1SW	United States	Record low minimum temperature	2.2 C (36.0 F)	33 of 100 (Routine)
Knoxville	United States	Record low minimum temperature	2.8 C (37.0 F)	33 of 100 (Routine)
Osceola	United States	Record low minimum temperature	2.8 C (37.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

1,127 records

Records set or tied on 31 May 1972 by type: Highest daily maximum 162, Lowest daily maximum 179, Highest daily minimum 183, Lowest daily minimum 217, Heaviest daily rainfall 383, Heaviest daily snowfall 2, Deepest snow cover 1.

Records on 31 May 1972 by type
Record type	Records
Highest daily maximum	162
Lowest daily maximum	179
Highest daily minimum	183
Lowest daily minimum	217
Heaviest daily rainfall	383
Heaviest daily snowfall	2
Deepest snow cover	1

Records on 31 May 1972 by timescale: all-time 1, monthly 28, daily 1,098.

How Much Records Were Beaten By

917 broken records

Margins by which the 917 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 331.0. Ties are not counted.

Top 20 by Significance

31 May 1972

Top 20 records on 31 May 1972 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 May 1972	Ajo, US	monthly rain	32.0 mm (1.3 in)	19.3 mm (0.8 in)	42 years	67 of 100 (Major)
31 May 1972	Gronbaek-Allingskovgard, DK	daily rain	25.1 mm (1.0 in)	11.3 mm (0.4 in)	96 years	62 of 100 (Major)
31 May 1972	Oak Park, AU	daily rain	38.6 mm (1.5 in)	21.6 mm (0.9 in)	48 years	57 of 100 (Notable)
31 May 1972	Mormon Flat, US	daily rain	28.4 mm (1.1 in)	28.4 mm (1.1 in)	46 years	57 of 100 (Notable)
31 May 1972	Penedo, BR	daily rain	98.0 mm (3.9 in)	58.5 mm (2.3 in)	54 years	55 of 100 (Notable)
31 May 1972	Oktjabrskaja, RU	daily rain	34.1 mm (1.3 in)	23.7 mm (0.9 in)	22 years	51 of 100 (Notable)
31 May 1972	Ogdensburg 4 NE, US	daily rain	33.0 mm (1.3 in)	19.3 mm (0.8 in)	64 years	50 of 100 (Notable)
31 May 1972	Hillsboro, US	daily rain	43.2 mm (1.7 in)	17.0 mm (0.7 in)	78 years	47 of 100 (Notable)
31 May 1972	Middletown 2 NW, US	daily rain	63.5 mm (2.5 in)	40.9 mm (1.6 in)	1 year	46 of 100 (Notable)
31 May 1972	Hawley 1 E, US	daily rain	46.5 mm (1.8 in)	23.1 mm (0.9 in)	46 years	46 of 100 (Notable)
31 May 1972	Tacambaro, MX	daily rain	35.3 mm (1.4 in)	26.4 mm (1.0 in)	41 years	45 of 100 (Notable)
31 May 1972	Hollisterville, US	daily rain	71.1 mm (2.8 in)	54.6 mm (2.1 in)	4 years	45 of 100 (Notable)
31 May 1972	Palmerton, US	daily rain	74.7 mm (2.9 in)	28.7 mm (1.1 in)	46 years	45 of 100 (Notable)
31 May 1972	Richmond Intl AP, US	daily rain	53.8 mm (2.1 in)	33.5 mm (1.3 in)	24 years	45 of 100 (Notable)
31 May 1972	Pascagoula 3 NE, US	daily rain	59.4 mm (2.3 in)	40.6 mm (1.6 in)	63 years	44 of 100 (Notable)
31 May 1972	Port Jervis, US	daily rain	72.6 mm (2.9 in)	35.8 mm (1.4 in)	1 year	43 of 100 (Notable)
31 May 1972	Yamba Pilot Station, AU	daily rain	65.3 mm (2.6 in)	17.8 mm (0.7 in)	84 years	42 of 100 (Notable)
31 May 1972	Portageville 1N, US	daily rain	29.2 mm (1.1 in)	14.7 mm (0.6 in)	61 years	42 of 100 (Notable)
31 May 1972	Belfast, US	monthly high min	15.6 C (60.1 F)	1.2 C (2.2 F)	69 years	40 of 100 (Notable)
31 May 1972	Eaton, US	daily rain	32.3 mm (1.3 in)	21.1 mm (0.8 in)	55 years	40 of 100 (Notable)

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 1972

Records set or tied on this calendar date in each year from 1811 to 1972. 1972 had 1,127 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 1972-05-31: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 50	913
50 to 100	3
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	1