Weather Records on 18 May 1980

614 weather records were set or tied worldwide on 18 May 1980. Highest significance: Tartu, EE.

Key Facts for 18 May 1980

On 18 May 1980, 614 weather records were set or tied at long-record stations worldwide.
174 were record highs and 101 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 11 monthly and 602 daily.
Tartu set a monthly record daily precipitation of 72.9 mm (2.9 in) on 18 May 1980.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 441 records.

Record Map

614 stations

614 station records on 18 May 1980 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 May 1980: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tartu	Estonia	Record daily precipitation	72.9 mm (2.9 in)	74 of 100 (Major)
Pullagaroo	Australia	Record daily precipitation	66.0 mm (2.6 in)	69 of 100 (Major)
Chapel Hill 2 W	United States	Record daily precipitation	56.1 mm (2.2 in)	64 of 100 (Major)
Covington	United States	Record daily precipitation	58.9 mm (2.3 in)	63 of 100 (Major)
Franklin	United States	Record daily precipitation	47.0 mm (1.9 in)	60 of 100 (Major)
Atley	Australia	Record daily precipitation	42.8 mm (1.7 in)	58 of 100 (Notable)
Tryon	United States	Record daily precipitation	81.3 mm (3.2 in)	57 of 100 (Notable)
Youanmi Downs	Australia	Record daily precipitation	35.6 mm (1.4 in)	55 of 100 (Notable)
Franklin Sewage Plt	United States	Record daily precipitation	84.6 mm (3.3 in)	54 of 100 (Notable)
Kingston Springs	United States	Record daily precipitation	68.6 mm (2.7 in)	54 of 100 (Notable)
Seymour 1 WSW	United States	Record daily precipitation	49.5 mm (1.9 in)	51 of 100 (Notable)
Durham	United States	Record daily precipitation	43.2 mm (1.7 in)	49 of 100 (Notable)
Dandaraga	Australia	Record daily precipitation	38.7 mm (1.5 in)	48 of 100 (Notable)
Kolba	Russia	Record daily precipitation	27.7 mm (1.1 in)	48 of 100 (Notable)
Cornelia	United States	Record daily precipitation	57.4 mm (2.3 in)	48 of 100 (Notable)
Keokuk L&D 19	United States	Record daily precipitation	54.9 mm (2.2 in)	48 of 100 (Notable)
Maysville	United States	Record daily precipitation	69.9 mm (2.8 in)	47 of 100 (Notable)
Yemassee 1 N	United States	Record daily precipitation	101.1 mm (4.0 in)	46 of 100 (Notable)
Kirkalocka	Australia	Record daily precipitation	53.2 mm (2.1 in)	45 of 100 (Notable)
Cleveland 3S	United States	Record daily precipitation	66.8 mm (2.6 in)	45 of 100 (Notable)
Nalbarra	Australia	Record daily precipitation	70.0 mm (2.8 in)	44 of 100 (Notable)
Toccoa	United States	Record daily precipitation	65.3 mm (2.6 in)	44 of 100 (Notable)
Middlesboro Fire Dept	United States	Record daily precipitation	44.7 mm (1.8 in)	44 of 100 (Notable)
Waynesboro	United States	Record daily precipitation	81.8 mm (3.2 in)	44 of 100 (Notable)
Gaston Shoals	United States	Record daily precipitation	71.1 mm (2.8 in)	43 of 100 (Notable)
Warrenton 3 SE	United States	Record daily precipitation	25.4 mm (1.0 in)	43 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record high minimum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Live Oak	United States	Record daily precipitation	53.8 mm (2.1 in)	42 of 100 (Notable)
Ft Madison	United States	Record daily precipitation	40.6 mm (1.6 in)	42 of 100 (Notable)
Medford	United States	Record daily precipitation	41.1 mm (1.6 in)	42 of 100 (Notable)
Shelby 2 NW	United States	Record daily precipitation	51.1 mm (2.0 in)	41 of 100 (Notable)
Defiance	United States	Record daily precipitation	30.7 mm (1.2 in)	41 of 100 (Notable)
Kingstree	United States	Record daily precipitation	43.2 mm (1.7 in)	41 of 100 (Notable)
Experiment	United States	Record daily precipitation	25.1 mm (1.0 in)	40 of 100 (Notable)
Cashmere Downs	Australia	Record daily precipitation	29.4 mm (1.2 in)	39 of 100 (Notable)
Dahlonega 4WSW	United States	Record daily precipitation	34.3 mm (1.4 in)	39 of 100 (Notable)
Woodbury	United States	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Louisburg	United States	Record daily precipitation	43.4 mm (1.7 in)	39 of 100 (Notable)
Montpelier	United States	Record daily precipitation	41.7 mm (1.6 in)	39 of 100 (Notable)
Union Hidalgo	Mexico	Record low minimum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Gainesville	United States	Record daily precipitation	35.1 mm (1.4 in)	38 of 100 (Notable)
Kingsport	United States	Record daily precipitation	29.5 mm (1.2 in)	38 of 100 (Notable)
Blairsville Exp STN	United States	Record daily precipitation	47.8 mm (1.9 in)	37 of 100 (Notable)
La Grange 1N	United States	Record daily precipitation	37.8 mm (1.5 in)	36 of 100 (Notable)
Newnan 7 WNW	United States	Record daily precipitation	31.8 mm (1.3 in)	36 of 100 (Notable)
Pontiac Wwtp	United States	Record daily precipitation	30.7 mm (1.2 in)	36 of 100 (Notable)
Nashville	United States	Record daily precipitation	53.3 mm (2.1 in)	36 of 100 (Notable)
Danville 2 SE	United States	Record daily precipitation	26.9 mm (1.1 in)	36 of 100 (Notable)
Kaneohe Mauka 781	United States	Record high minimum temperature	25.0 C (77.0 F)	36 of 100 (Notable)
Kinuso Rs	Canada	Record daily precipitation	25.0 mm (1.0 in)	35 of 100 (Notable)
Howell Wwtp	United States	Record daily precipitation	33.3 mm (1.3 in)	35 of 100 (Notable)
Meeline Station	Australia	Record daily precipitation	33.0 mm (1.3 in)	34 of 100 (Routine)
Malin Head	Ireland	Record high maximum temperature	20.9 C (69.6 F)	34 of 100 (Routine)
Canton	United States	Record daily precipitation	43.2 mm (1.7 in)	34 of 100 (Routine)
Fredericktown 4 S	United States	Record daily precipitation	30.0 mm (1.2 in)	34 of 100 (Routine)
Copperhill	United States	Record daily precipitation	53.3 mm (2.1 in)	34 of 100 (Routine)
Bland	United States	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Union Springs 9 S	United States	Record daily precipitation	36.1 mm (1.4 in)	33 of 100 (Routine)
Waleska	United States	Record daily precipitation	50.3 mm (2.0 in)	33 of 100 (Routine)
Hillsdale	United States	Record daily precipitation	35.6 mm (1.4 in)	33 of 100 (Routine)

Counts by Type and Timescale

614 records

Records set or tied on 18 May 1980 by type: Highest daily maximum 75, Lowest daily maximum 67, Highest daily minimum 99, Lowest daily minimum 34, Heaviest daily rainfall 338, Deepest snow cover 1.

Records on 18 May 1980 by type
Record type	Records
Highest daily maximum	75
Lowest daily maximum	67
Highest daily minimum	99
Lowest daily minimum	34
Heaviest daily rainfall	338
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 18 May 1980 by timescale: all-time 1, monthly 11, daily 602.

How Much Records Were Beaten By

516 broken records

Margins by which the 516 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 66.3. Ties are not counted.

Top 20 by Significance

18 May 1980

Top 20 records on 18 May 1980 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 May 1980	Tartu, EE	monthly rain	72.9 mm (2.9 in)	39.7 mm (1.6 in)	48 years	74 of 100 (Major)
18 May 1980	Pullagaroo, AU	monthly rain	66.0 mm (2.6 in)	30.4 mm (1.2 in)	47 years	69 of 100 (Major)
18 May 1980	Chapel Hill 2 W, US	daily rain	56.1 mm (2.2 in)	43.4 mm (1.7 in)	58 years	64 of 100 (Major)
18 May 1980	Covington, US	daily rain	58.9 mm (2.3 in)	42.9 mm (1.7 in)	81 years	63 of 100 (Major)
18 May 1980	Franklin, US	daily rain	47.0 mm (1.9 in)	29.2 mm (1.1 in)	100 years	60 of 100 (Major)
18 May 1980	Atley, AU	daily rain	42.8 mm (1.7 in)	32.9 mm (1.3 in)	43 years	58 of 100 (Notable)
18 May 1980	Tryon, US	daily rain	81.3 mm (3.2 in)	57.2 mm (2.3 in)	55 years	57 of 100 (Notable)
18 May 1980	Youanmi Downs, AU	daily rain	35.6 mm (1.4 in)	29.0 mm (1.1 in)	54 years	55 of 100 (Notable)
18 May 1980	Franklin Sewage Plt, US	daily rain	84.6 mm (3.3 in)	43.2 mm (1.7 in)	50 years	54 of 100 (Notable)
18 May 1980	Kingston Springs, US	daily rain	68.6 mm (2.7 in)	54.6 mm (2.1 in)	34 years	54 of 100 (Notable)
18 May 1980	Seymour 1 WSW, US	daily rain	49.5 mm (1.9 in)	21.6 mm (0.9 in)	83 years	51 of 100 (Notable)
18 May 1980	Durham, US	daily rain	43.2 mm (1.7 in)	20.3 mm (0.8 in)	80 years	49 of 100 (Notable)
18 May 1980	Dandaraga, AU	daily rain	38.7 mm (1.5 in)	20.4 mm (0.8 in)	58 years	48 of 100 (Notable)
18 May 1980	Kolba, RU	daily rain	27.7 mm (1.1 in)	14.4 mm (0.6 in)	37 years	48 of 100 (Notable)
18 May 1980	Cornelia, US	daily rain	57.4 mm (2.3 in)	39.4 mm (1.6 in)	60 years	48 of 100 (Notable)
18 May 1980	Keokuk L&D 19, US	daily rain	54.9 mm (2.2 in)	17.6 mm (0.7 in)	80 years	48 of 100 (Notable)
18 May 1980	Maysville, US	daily rain	69.9 mm (2.8 in)	66.3 mm (2.6 in)	12 years	47 of 100 (Notable)
18 May 1980	Yemassee 1 N, US	daily rain	101.1 mm (4.0 in)	61.7 mm (2.4 in)	8 years	46 of 100 (Notable)
18 May 1980	Kirkalocka, AU	daily rain	53.2 mm (2.1 in)	32.9 mm (1.3 in)	11 years	45 of 100 (Notable)
18 May 1980	Cleveland 3S, US	daily rain	66.8 mm (2.6 in)	54.1 mm (2.1 in)	30 years	45 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

1796 to 1980

Records set or tied on this calendar date in each year from 1796 to 1980. 1980 had 614 records.

Counts for years before the ledger starts come from the same station rules.

Records on 05-18 in each year
Year	Records
1796	1
1798	1
1802	2
1832	1
1833	1
1845	1
1847	1
1848	1
1855	1
1859	1
1861	2
1863	3
1864	1
1866	2
1868	2
1869	1
1870	1
1871	2
1872	1
1874	2
1877	4
1878	1
1879	1
1881	1
1883	2
1884	2
1885	1
1887	1
1888	4
1889	2
1891	1
1893	2
1894	4
1895	5
1896	2
1897	2
1898	1
1899	1
1900	13
1901	6
1902	9
1903	7
1904	11
1905	2
1906	24
1907	18
1908	5
1909	12
1910	50
1911	64
1912	5
1913	11
1914	45
1915	55
1916	74
1917	30
1918	42
1919	30
1920	26
1921	41
1922	33
1923	61
1924	92
1925	220
1926	133
1927	180
1928	160
1929	193
1930	475
1931	191
1932	460
1933	380
1934	390
1935	400
1936	282
1937	348
1938	382
1939	169
1940	315
1941	334
1942	421
1943	744
1944	496
1945	706
1946	651
1947	231
1948	426
1949	597
1950	473
1951	279
1952	493
1953	393
1954	498
1955	848
1956	795
1957	595
1958	334
1959	435
1960	404
1961	187
1962	1,199
1963	477
1964	329
1965	345
1966	438
1967	410
1968	817
1969	865
1970	703
1971	666
1972	499
1973	1,233
1974	1,097
1975	383
1976	733
1977	1,126
1978	1,090
1979	399
1980	614
1981	1,218
1982	452
1983	1,093
1984	717
1985	498
1986	1,131
1987	823
1988	1,154
1989	721
1990	753
1991	1,218
1992	921
1993	707
1994	1,015
1995	1,849
1996	1,767
1997	1,115
1998	1,060
1999	584
2000	922
2001	898
2002	1,833
2003	1,270
2004	847
2005	630
2006	1,493
2007	1,133
2008	999
2009	1,368
2010	894
2011	1,406
2012	523
2013	816
2014	609
2015	785
2016	597
2017	1,855
2018	557
2019	810
2020	706
2021	418
2022	711
2023	554
2024	551
2025	619
2026	1,131

Download the Data

Data for records on 1980-05-18: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 10	378
10 to 20	72
20 to 30	43
30 to 40	11
40 to 50	6
50 to 60	4
60 to 70	2