Weather Records on 18 October 1981

680 weather records were set or tied worldwide on 18 October 1981. Highest significance: Marquette, US.

Key Facts for 18 October 1981

On 18 October 1981, 680 weather records were set or tied at long-record stations worldwide.
112 were record highs and 89 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 15 monthly and 664 daily.
Marquette set a daily record precipitation of 38.9 mm (1.5 in) on 18 October 1981.
Across 167 earlier years (1794 to 2025) the same calendar date averaged 432 records.

Record Map

680 stations

680 station records on 18 October 1981 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 October 1981: highest significance records shown on the map
Station	Country	Type	Value	Significance
Marquette	United States	Record daily precipitation	38.9 mm (1.5 in)	68 of 100 (Major)
Seymour (Mag)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	60 of 100 (Major)
Wangaratta	Australia	Record daily precipitation	60.0 mm (2.4 in)	59 of 100 (Notable)
Ozark	United States	Record daily precipitation	76.2 mm (3.0 in)	59 of 100 (Notable)
Abbott	United States	Record daily precipitation	114.3 mm (4.5 in)	54 of 100 (Notable)
Clarksdale	United States	Record daily precipitation	84.3 mm (3.3 in)	54 of 100 (Notable)
North Bay A	Canada	Record daily precipitation	44.8 mm (1.8 in)	52 of 100 (Notable)
Brakkies	South Africa	Record daily precipitation	25.0 mm (1.0 in)	52 of 100 (Notable)
Tuskahoma	United States	Record daily precipitation	74.2 mm (2.9 in)	52 of 100 (Notable)
Ironwood	United States	Record daily precipitation	46.2 mm (1.8 in)	51 of 100 (Notable)
Danville	United States	Record daily precipitation	102.9 mm (4.1 in)	50 of 100 (Notable)
Franklin	United States	Record daily precipitation	63.5 mm (2.5 in)	50 of 100 (Notable)
North Bay	Canada	Record daily precipitation	41.0 mm (1.6 in)	48 of 100 (Notable)
Greenbrier	United States	Record daily precipitation	132.1 mm (5.2 in)	48 of 100 (Notable)
Ratcliff	United States	Record daily precipitation	78.0 mm (3.1 in)	48 of 100 (Notable)
Kuujjuarapik A	Canada	Record daily precipitation	25.8 mm (1.0 in)	47 of 100 (Notable)
Conway	United States	Record daily precipitation	107.2 mm (4.2 in)	46 of 100 (Notable)
Clintonville	United States	Record daily precipitation	32.3 mm (1.3 in)	46 of 100 (Notable)
Glentana	Australia	Record daily precipitation	45.2 mm (1.8 in)	45 of 100 (Notable)
Clinton 2	United States	Record daily precipitation	52.6 mm (2.1 in)	45 of 100 (Notable)
La Ringo	Australia	Record daily precipitation	63.4 mm (2.5 in)	44 of 100 (Notable)
Witelsbos (Bos)	South Africa	Record daily precipitation	53.5 mm (2.1 in)	44 of 100 (Notable)
Bolton	United States	Record daily precipitation	72.4 mm (2.9 in)	43 of 100 (Notable)
Madison 1 NW	United States	Record daily precipitation	91.4 mm (3.6 in)	42 of 100 (Notable)
Clarksville Wwtp	United States	Record daily precipitation	101.3 mm (4.0 in)	42 of 100 (Notable)
Viroqua	United States	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Van Staadens (Rsv)	South Africa	Record daily precipitation	43.5 mm (1.7 in)	41 of 100 (Notable)
Morrison	United States	Record daily precipitation	43.2 mm (1.7 in)	41 of 100 (Notable)
Scottsville	United States	Record daily precipitation	52.8 mm (2.1 in)	41 of 100 (Notable)
Milan Exp STN	United States	Record daily precipitation	97.3 mm (3.8 in)	41 of 100 (Notable)
Springsure Comet St	Australia	Record daily precipitation	38.4 mm (1.5 in)	40 of 100 (Notable)
Lake City	United States	Record daily precipitation	72.4 mm (2.9 in)	40 of 100 (Notable)
Water Valley	United States	Record daily precipitation	77.2 mm (3.0 in)	40 of 100 (Notable)
Bergland Dam	United States	Record daily snowfall	5.1 cm (2.0 in)	39 of 100 (Notable)
Paris 3 ESE	United States	Record daily precipitation	82.3 mm (3.2 in)	38 of 100 (Notable)
Antigo	United States	Record daily precipitation	32.8 mm (1.3 in)	38 of 100 (Notable)
La Palma	Australia	Record daily precipitation	69.0 mm (2.7 in)	37 of 100 (Notable)
Muscatine 2	United States	Record daily precipitation	32.5 mm (1.3 in)	37 of 100 (Notable)
Glasgow	United States	Record daily precipitation	48.5 mm (1.9 in)	37 of 100 (Notable)
Oconto 4 W	United States	Record daily precipitation	43.7 mm (1.7 in)	37 of 100 (Notable)
Shawano 2SSW	United States	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Waldron	United States	Record daily precipitation	64.0 mm (2.5 in)	36 of 100 (Notable)
Manistique Wwtp	United States	Record daily precipitation	51.8 mm (2.0 in)	36 of 100 (Notable)
Bowler	United States	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Bugaldie (Ulundi)	Australia	Record daily precipitation	50.2 mm (2.0 in)	35 of 100 (Notable)
Nimrod Dam	United States	Record daily precipitation	54.6 mm (2.1 in)	35 of 100 (Notable)
Enid Dam	United States	Record daily precipitation	64.5 mm (2.5 in)	35 of 100 (Notable)
Dorchester	United States	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Orlinda	United States	Record daily precipitation	54.4 mm (2.1 in)	34 of 100 (Routine)
Burlington Wwtp	United States	Record daily precipitation	31.5 mm (1.2 in)	34 of 100 (Routine)
Winter	United States	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Wandering Comparison	Australia	Record low minimum temperature	-1.6 C (29.1 F)	33 of 100 (Routine)
Nyngan Airport	Australia	Record daily precipitation	63.0 mm (2.5 in)	33 of 100 (Routine)
Warrumbungle (Cheddington)	Australia	Record daily precipitation	42.0 mm (1.7 in)	33 of 100 (Routine)
Mullaley (Bando)	Australia	Record daily precipitation	44.2 mm (1.7 in)	33 of 100 (Routine)
Dunedoo Post Office	Australia	Record daily precipitation	36.6 mm (1.4 in)	33 of 100 (Routine)
Oujda	Morocco	Record high minimum temperature	19.0 C (66.2 F)	33 of 100 (Routine)
Jumatan (Cfe)	Mexico	Record low minimum temperature	13.3 C (55.9 F)	33 of 100 (Routine)
Vastervik	Sweden	Record low minimum temperature	-4.7 C (23.5 F)	33 of 100 (Routine)
Cabot	United States	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)

Counts by Type and Timescale

680 records

Records set or tied on 18 October 1981 by type: Highest daily maximum 56, Lowest daily maximum 32, Highest daily minimum 56, Lowest daily minimum 57, Heaviest daily rainfall 457, Heaviest daily snowfall 18, Deepest snow cover 4.

Records on 18 October 1981 by type
Record type	Records
Highest daily maximum	56
Lowest daily maximum	32
Highest daily minimum	56
Lowest daily minimum	57
Heaviest daily rainfall	457
Heaviest daily snowfall	18
Deepest snow cover	4

Records on 18 October 1981 by timescale: all-time 1, monthly 15, daily 664.

How Much Records Were Beaten By

615 broken records

Margins by which the 615 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 117.0. Ties are not counted.

Top 20 by Significance

18 October 1981

Top 20 records on 18 October 1981 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 October 1981	Marquette, US	daily rain	38.9 mm (1.5 in)	26.2 mm (1.0 in)	88 years	68 of 100 (Major)
18 October 1981	Seymour (Mag), ZA	daily rain	40.0 mm (1.6 in)	23.5 mm (0.9 in)	91 years	60 of 100 (Major)
18 October 1981	Wangaratta, AU	daily rain	60.0 mm (2.4 in)	35.1 mm (1.4 in)	31 years	59 of 100 (Notable)
18 October 1981	Ozark, US	daily rain	76.2 mm (3.0 in)	48.8 mm (1.9 in)	76 years	59 of 100 (Notable)
18 October 1981	Abbott, US	daily rain	114.3 mm (4.5 in)	95.5 mm (3.8 in)	34 years	54 of 100 (Notable)
18 October 1981	Clarksdale, US	daily rain	84.3 mm (3.3 in)	47.5 mm (1.9 in)	44 years	54 of 100 (Notable)
18 October 1981	North Bay A, CA	daily rain	44.8 mm (1.8 in)	32.9 mm (1.3 in)	28 years	52 of 100 (Notable)
18 October 1981	Brakkies, ZA	daily rain	25.0 mm (1.0 in)	25.0 mm (1.0 in)	63 years	52 of 100 (Notable)
18 October 1981	Tuskahoma, US	daily rain	74.2 mm (2.9 in)	65.1 mm (2.6 in)	39 years	52 of 100 (Notable)
18 October 1981	Ironwood, US	daily rain	46.2 mm (1.8 in)	19.0 mm (0.7 in)	64 years	51 of 100 (Notable)
18 October 1981	Danville, US	daily rain	102.9 mm (4.1 in)	65.6 mm (2.6 in)	44 years	50 of 100 (Notable)
18 October 1981	Franklin, US	daily rain	63.5 mm (2.5 in)	29.0 mm (1.1 in)	64 years	50 of 100 (Notable)
18 October 1981	North Bay, CA	daily rain	41.0 mm (1.6 in)	20.4 mm (0.8 in)	44 years	48 of 100 (Notable)
18 October 1981	Greenbrier, US	monthly rain	132.1 mm (5.2 in)	44.5 mm (1.8 in)	32 years	48 of 100 (Notable)
18 October 1981	Ratcliff, US	daily rain	78.0 mm (3.1 in)	61.5 mm (2.4 in)	35 years	48 of 100 (Notable)
18 October 1981	Kuujjuarapik A, CA	daily rain	25.8 mm (1.0 in)	17.7 mm (0.7 in)	20 years	47 of 100 (Notable)
18 October 1981	Conway, US	monthly rain	107.2 mm (4.2 in)	12.2 mm (0.5 in)	68 years	46 of 100 (Notable)
18 October 1981	Clintonville, US	daily rain	32.3 mm (1.3 in)	32.3 mm (1.3 in)	32 years	46 of 100 (Notable)
18 October 1981	Glentana, AU	daily rain	45.2 mm (1.8 in)	27.2 mm (1.1 in)	36 years	45 of 100 (Notable)
18 October 1981	Clinton 2, US	daily rain	52.6 mm (2.1 in)	17.8 mm (0.7 in)	76 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

1794 to 1981

Records set or tied on this calendar date in each year from 1794 to 1981. 1981 had 680 records.

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

Records on 10-18 in each year
Year	Records
1794	1
1796	1
1799	1
1806	1
1807	1
1810	1
1811	2
1817	1
1832	1
1835	1
1836	1
1843	1
1846	2
1848	1
1849	1
1851	1
1852	1
1859	1
1863	1
1865	2
1866	2
1868	1
1869	1
1871	1
1872	1
1874	4
1876	2
1877	2
1879	3
1881	1
1882	1
1883	2
1887	1
1888	1
1890	4
1892	4
1893	1
1894	3
1895	2
1897	6
1898	5
1899	12
1900	5
1901	5
1902	6
1903	9
1904	12
1905	27
1906	17
1907	11
1908	44
1909	23
1910	50
1911	22
1912	12
1913	26
1914	52
1915	12
1916	64
1917	109
1918	24
1919	31
1920	87
1921	87
1922	59
1923	114
1924	151
1925	153
1926	149
1927	309
1928	316
1929	190
1930	507
1931	350
1932	446
1933	264
1934	222
1935	360
1936	483
1937	671
1938	536
1939	475
1940	532
1941	240
1942	332
1943	844
1944	264
1945	398
1946	355
1947	965
1948	1,128
1949	665
1950	996
1951	325
1952	394
1953	678
1954	621
1955	403
1956	578
1957	220
1958	407
1959	246
1960	612
1961	362
1962	252
1963	492
1964	311
1965	1,066
1966	613
1967	405
1968	737
1969	789
1970	501
1971	1,199
1972	1,581
1973	789
1974	746
1975	779
1976	1,326
1977	533
1978	545
1979	555
1980	1,024
1981	680
1982	654
1983	684
1984	1,331
1985	831
1986	344
1987	518
1988	733
1989	1,196
1990	1,043
1991	999
1992	1,295
1993	1,051
1994	1,296
1995	1,227
1996	795
1997	1,240
1998	1,323
1999	773
2000	823
2001	818
2002	878
2003	1,097
2004	1,156
2005	755
2006	1,328
2007	1,298
2008	531
2009	1,546
2010	634
2011	736
2012	741
2013	430
2014	690
2015	915
2016	1,511
2017	590
2018	759
2019	346
2020	957
2021	387
2022	1,334
2023	693
2024	1,142
2025	367

Download the Data

Data for records on 1981-10-18: 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 2026-10-15 (15 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	527
20 to 40	63
40 to 60	18
60 to 80	5
80 to 100	1
100 to 120	1