Weather Records on 31 May 1980

517 weather records were set or tied worldwide on 31 May 1980. Highest significance: Makaweli 965, US.

Key Facts for 31 May 1980

On 31 May 1980, 517 weather records were set or tied at long-record stations worldwide.
203 were record highs and 116 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 19 monthly and 495 daily.
Makaweli 965 set a daily record precipitation of 56.4 mm (2.2 in) on 31 May 1980.
Across 161 earlier years (1811 to 2026) the same calendar date averaged 437 records.

Record Map

517 stations

517 station records on 31 May 1980 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 May 1980: highest significance records shown on the map
Station	Country	Type	Value	Significance
Makaweli 965	United States	Record daily precipitation	56.4 mm (2.2 in)	68 of 100 (Major)
Waiawa 943	United States	Record daily precipitation	40.4 mm (1.6 in)	58 of 100 (Notable)
Orland	United States	Record daily precipitation	33.0 mm (1.3 in)	57 of 100 (Notable)
Ashland	United States	Record daily precipitation	89.4 mm (3.5 in)	57 of 100 (Notable)
Mana 1026	United States	Record daily precipitation	38.6 mm (1.5 in)	55 of 100 (Notable)
Farmingdale 4 N	United States	Record daily precipitation	44.5 mm (1.8 in)	51 of 100 (Notable)
Paducah	United States	Record daily precipitation	73.4 mm (2.9 in)	51 of 100 (Notable)
Apslawn	Australia	Record daily precipitation	86.6 mm (3.4 in)	50 of 100 (Notable)
Towera	Australia	Record daily precipitation	80.0 mm (3.1 in)	49 of 100 (Notable)
Morgantown Muni AP	United States	Record daily precipitation	40.6 mm (1.6 in)	48 of 100 (Notable)
Beetaloo Reservoir Old Site	Australia	Record daily precipitation	31.4 mm (1.2 in)	47 of 100 (Notable)
Kekaha 944	United States	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Curtiss	United States	Record daily precipitation	52.6 mm (2.1 in)	43 of 100 (Notable)
Debrecen Airport	Hungary	Record daily precipitation	37.8 mm (1.5 in)	42 of 100 (Notable)
Kanalohuluhulu 1075	United States	Record daily precipitation	45.7 mm (1.8 in)	42 of 100 (Notable)
El Reno 1 N	United States	Record high minimum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Union Hidalgo	Mexico	Record low minimum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Bicheno (Council Depot)	Australia	Record daily precipitation	52.6 mm (2.1 in)	39 of 100 (Notable)
Chenaux	Canada	Record daily precipitation	37.0 mm (1.5 in)	39 of 100 (Notable)
Dalatangi	Iceland	Record daily precipitation	36.9 mm (1.5 in)	39 of 100 (Notable)
Lake City	United States	Record daily precipitation	26.7 mm (1.1 in)	39 of 100 (Notable)
Nicosia	Cyprus	Record high maximum temperature	40.3 C (104.5 F)	37 of 100 (Notable)
Timber Lake	United States	Record daily precipitation	25.1 mm (1.0 in)	37 of 100 (Notable)
Hogsett Rc Byrd Dam	United States	Record daily precipitation	31.2 mm (1.2 in)	37 of 100 (Notable)
Brooks Ahrc	Canada	Record low minimum temperature	-6.5 C (20.3 F)	36 of 100 (Notable)
Cairns Post Office	Australia	Record high minimum temperature	22.0 C (71.6 F)	35 of 100 (Notable)
Winterset 4N	United States	Record daily precipitation	49.3 mm (1.9 in)	34 of 100 (Routine)
Texarkana Webb Fld	United States	Record high minimum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Macuspana (Dge)	Mexico	Record daily precipitation	154.7 mm (6.1 in)	33 of 100 (Routine)
Waimea 947	United States	Record daily precipitation	40.1 mm (1.6 in)	33 of 100 (Routine)
Seliatyn	Ukraine	Record daily precipitation	30.9 mm (1.2 in)	32 of 100 (Routine)
Grand Meadow	United States	Record daily precipitation	43.2 mm (1.7 in)	32 of 100 (Routine)
Haleakala Exp Farm 434	United States	Record daily precipitation	29.7 mm (1.2 in)	32 of 100 (Routine)
Sable Island	Canada	Record low minimum temperature	0.4 C (32.7 F)	31 of 100 (Routine)
Gaddede	Sweden	Record high minimum temperature	10.5 C (50.9 F)	31 of 100 (Routine)
Valparaiso	United States	Record daily precipitation	52.3 mm (2.1 in)	31 of 100 (Routine)
Long Lake Dam	United States	Record daily precipitation	49.5 mm (1.9 in)	31 of 100 (Routine)
Kula Sanatorium 267	United States	Record daily precipitation	50.8 mm (2.0 in)	31 of 100 (Routine)
Allegan 5NE	United States	Record daily precipitation	28.4 mm (1.1 in)	30 of 100 (Routine)
Ranfurly	Canada	Record low minimum temperature	-2.5 C (27.5 F)	29 of 100 (Routine)
Dodge	United States	Record daily precipitation	55.4 mm (2.2 in)	29 of 100 (Routine)
Passo Tainhas	Brazil	Record daily precipitation	36.0 mm (1.4 in)	28 of 100 (Routine)
Elsinore	United States	Record low maximum temperature	16.7 C (62.1 F)	28 of 100 (Routine)
Albion	United States	Record high minimum temperature	23.3 C (73.9 F)	28 of 100 (Routine)
Gillette 18 SW	United States	Record daily precipitation	30.0 mm (1.2 in)	28 of 100 (Routine)
Hukipo 945	United States	Record daily precipitation	41.4 mm (1.6 in)	28 of 100 (Routine)
Kolo 1033	United States	Record daily precipitation	37.8 mm (1.5 in)	28 of 100 (Routine)
Choshi	Japan	Record high minimum temperature	19.7 C (67.5 F)	27 of 100 (Routine)
Borinquen AP	Puerto Rico [United States]	Record high maximum temperature	33.3 C (91.9 F)	27 of 100 (Routine)
Lima Wwtp	United States	Record high minimum temperature	20.0 C (68.0 F)	27 of 100 (Routine)
Isabela Substn	Puerto Rico [United States]	Record high minimum temperature	25.0 C (77.0 F)	26 of 100 (Routine)
Gladstone L/D 18	United States	Record daily precipitation	66.0 mm (2.6 in)	26 of 100 (Routine)
Wooster Exp STN	United States	Record high minimum temperature	19.4 C (66.9 F)	26 of 100 (Routine)
Eufaula 6 SSW	United States	Record high minimum temperature	25.6 C (78.1 F)	26 of 100 (Routine)
Koloko Rsvr 1137	United States	Record daily precipitation	34.8 mm (1.4 in)	26 of 100 (Routine)
Palmer	Australia	Record daily precipitation	28.0 mm (1.1 in)	25 of 100 (Routine)
Lugano	Switzerland	Record low minimum temperature	6.7 C (44.1 F)	25 of 100 (Routine)
Slavsko	Ukraine	Record daily precipitation	34.4 mm (1.4 in)	25 of 100 (Routine)
Alliance	Canada	Record low minimum temperature	-1.0 C (30.2 F)	24 of 100 (Routine)
Joliet Brandon Road Lock/Dam	United States	Record daily precipitation	31.2 mm (1.2 in)	24 of 100 (Routine)

Counts by Type and Timescale

517 records

Records set or tied on 31 May 1980 by type: Highest daily maximum 73, Lowest daily maximum 30, Highest daily minimum 130, Lowest daily minimum 86, Heaviest daily rainfall 192, Heaviest daily snowfall 5, Deepest snow cover 1.

Records on 31 May 1980 by type
Record type	Records
Highest daily maximum	73
Lowest daily maximum	30
Highest daily minimum	130
Lowest daily minimum	86
Heaviest daily rainfall	192
Heaviest daily snowfall	5
Deepest snow cover	1

Records on 31 May 1980 by timescale: all-time 3, monthly 19, daily 495.

How Much Records Were Beaten By

393 broken records

Margins by which the 393 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 58.9. Ties are not counted.

Top 20 by Significance

31 May 1980

Top 20 records on 31 May 1980 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 May 1980	Makaweli 965, US	daily rain	56.4 mm (2.2 in)	44.0 mm (1.7 in)	73 years	68 of 100 (Major)
31 May 1980	Waiawa 943, US	daily rain	40.4 mm (1.6 in)	29.7 mm (1.2 in)	53 years	58 of 100 (Notable)
31 May 1980	Orland, US	daily rain	33.0 mm (1.3 in)	29.4 mm (1.2 in)	36 years	57 of 100 (Notable)
31 May 1980	Ashland, US	daily rain	89.4 mm (3.5 in)	58.9 mm (2.3 in)	30 years	57 of 100 (Notable)
31 May 1980	Mana 1026, US	daily rain	38.6 mm (1.5 in)	28.4 mm (1.1 in)	73 years	55 of 100 (Notable)
31 May 1980	Farmingdale 4 N, US	daily rain	44.5 mm (1.8 in)	21.4 mm (0.8 in)	76 years	51 of 100 (Notable)
31 May 1980	Paducah, US	daily rain	73.4 mm (2.9 in)	56.4 mm (2.2 in)	29 years	51 of 100 (Notable)
31 May 1980	Apslawn, AU	daily rain	86.6 mm (3.4 in)	54.8 mm (2.2 in)	11 years	50 of 100 (Notable)
31 May 1980	Towera, AU	daily rain	80.0 mm (3.1 in)	40.4 mm (1.6 in)	51 years	49 of 100 (Notable)
31 May 1980	Morgantown Muni AP, US	daily rain	40.6 mm (1.6 in)	23.6 mm (0.9 in)	27 years	48 of 100 (Notable)
31 May 1980	Beetaloo Reservoir Old Site, AU	daily rain	31.4 mm (1.2 in)	13.4 mm (0.5 in)	71 years	47 of 100 (Notable)
31 May 1980	Kekaha 944, US	daily rain	30.0 mm (1.2 in)	26.7 mm (1.1 in)	63 years	46 of 100 (Notable)
31 May 1980	Curtiss, US	daily rain	52.6 mm (2.1 in)	38.4 mm (1.5 in)	21 years	43 of 100 (Notable)
31 May 1980	Debrecen Airport, HU	daily rain	37.8 mm (1.5 in)	13.5 mm (0.5 in)	44 years	42 of 100 (Notable)
31 May 1980	Kanalohuluhulu 1075, US	daily rain	45.7 mm (1.8 in)	38.8 mm (1.5 in)	13 years	42 of 100 (Notable)
31 May 1980	El Reno 1 N, US	monthly high min	25.6 C (78.1 F)	1.7 C (3.1 F)	67 years	41 of 100 (Notable)
31 May 1980	Union Hidalgo, MX	daily low min	17.2 C (63.0 F)	5.0 C (9.0 F)	2 years	40 of 100 (Notable)
31 May 1980	Bicheno (Council Depot), AU	daily rain	52.6 mm (2.1 in)	22.1 mm (0.9 in)	55 years	39 of 100 (Notable)
31 May 1980	Chenaux, CA	daily rain	37.0 mm (1.5 in)	24.8 mm (1.0 in)	10 years	39 of 100 (Notable)
31 May 1980	Dalatangi, IS	daily rain	36.9 mm (1.5 in)	31.0 mm (1.2 in)	12 years	39 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 1980

Records set or tied on this calendar date in each year from 1811 to 1980. 1980 had 517 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 1980-05-31: 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 10	337
10 to 20	26
20 to 30	19
30 to 40	5
40 to 50	3
50 to 60	3