Weather Records on 18 October 1990

1,043 weather records were set or tied worldwide on 18 October 1990. Highest significance: Medford, US.

Key Facts for 18 October 1990

On 18 October 1990, 1,043 weather records were set or tied at long-record stations worldwide.
375 were record highs and 112 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 20 monthly and 1,023 daily.
Medford set a daily record snowfall of 7.6 cm (3.0 in) on 18 October 1990.
Across 167 earlier years (1794 to 2025) the same calendar date averaged 430 records.

Record Map

1,043 stations

1,043 station records on 18 October 1990 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 October 1990: highest significance records shown on the map
Station	Country	Type	Value	Significance
Medford	United States	Record daily snowfall	7.6 cm (3.0 in)	65 of 100 (Major)
Tower 2S	United States	Record snow depth	30.5 cm (12.0 in)	60 of 100 (Major)
Queenstown	South Africa	Record daily precipitation	29.0 mm (1.1 in)	58 of 100 (Notable)
Solon Springs	United States	Record daily precipitation	34.5 mm (1.4 in)	58 of 100 (Notable)
N Bend SW Oregon Rgnl AP	United States	Record daily precipitation	75.2 mm (3.0 in)	57 of 100 (Notable)
Tower 2S	United States	Record daily precipitation	54.6 mm (2.1 in)	55 of 100 (Notable)
Edgeley 3WNW	United States	Record daily snowfall	7.6 cm (3.0 in)	55 of 100 (Notable)
Lac Vieux Desert	United States	Record daily snowfall	14.0 cm (5.5 in)	55 of 100 (Notable)
Merrill	United States	Record daily snowfall	5.1 cm (2.0 in)	54 of 100 (Notable)
Itasca UNIV of Minn	United States	Record daily snowfall	10.2 cm (4.0 in)	53 of 100 (Notable)
Zambezi	Zambia	Record daily precipitation	70.1 mm (2.8 in)	51 of 100 (Notable)
Waller	United States	Record daily precipitation	98.8 mm (3.9 in)	50 of 100 (Notable)
Maclear (Mag)	South Africa	Record daily precipitation	26.5 mm (1.0 in)	49 of 100 (Notable)
Cass Lake	United States	Record daily snowfall	13.2 cm (5.2 in)	49 of 100 (Notable)
Sosunovo	Russia	Record daily precipitation	83.6 mm (3.3 in)	48 of 100 (Notable)
Hot Springs	United States	Record daily precipitation	40.9 mm (1.6 in)	48 of 100 (Notable)
Nicosia	Cyprus	Record high minimum temperature	21.3 C (70.3 F)	47 of 100 (Notable)
Loma Fina	Mexico	Record daily precipitation	59.9 mm (2.4 in)	47 of 100 (Notable)
Kenton	United States	Record daily precipitation	33.5 mm (1.3 in)	47 of 100 (Notable)
Bayfield 6 N	United States	Record daily precipitation	38.1 mm (1.5 in)	47 of 100 (Notable)
Marshfield Exp Farm	United States	Record daily snowfall	5.1 cm (2.0 in)	47 of 100 (Notable)
Pokegama Dam	United States	Record daily precipitation	26.7 mm (1.1 in)	46 of 100 (Notable)
Lac Vieux Desert	United States	Record snow depth	12.7 cm (5.0 in)	46 of 100 (Notable)
Orlandia	Brazil	Record daily precipitation	69.4 mm (2.7 in)	45 of 100 (Notable)
Tres Zapotes	Mexico	Record daily precipitation	280.2 mm (11.0 in)	45 of 100 (Notable)
Melnichnoe	Russia	Record daily precipitation	37.0 mm (1.5 in)	45 of 100 (Notable)
Grand Rapids Forestry Lab	United States	Record daily precipitation	29.5 mm (1.2 in)	45 of 100 (Notable)
Marion	United States	Record daily snowfall	5.1 cm (2.0 in)	45 of 100 (Notable)
York 3 SSW Pump STN	United States	Record daily precipitation	61.5 mm (2.4 in)	44 of 100 (Notable)
Rothamsted	United Kingdom	Record daily precipitation	36.0 mm (1.4 in)	43 of 100 (Notable)
Curryville 3 W	United States	Record daily precipitation	81.0 mm (3.2 in)	42 of 100 (Notable)
Itau de Minas	Brazil	Record daily precipitation	61.6 mm (2.4 in)	41 of 100 (Notable)
Grand Rapids Forestry Lab	United States	Record daily snowfall	9.7 cm (3.8 in)	41 of 100 (Notable)
Lexington	United States	Record daily precipitation	48.8 mm (1.9 in)	41 of 100 (Notable)
Tecolutla	Mexico	Record daily precipitation	140.0 mm (5.5 in)	40 of 100 (Notable)
Tower 2S	United States	Record daily snowfall	30.5 cm (12.0 in)	40 of 100 (Notable)
Guajataca Dam	Puerto Rico [United States]	Record daily precipitation	85.1 mm (3.4 in)	39 of 100 (Notable)
Valley Head	United States	Record daily precipitation	58.2 mm (2.3 in)	38 of 100 (Notable)
Troutdale	United States	Record daily precipitation	36.8 mm (1.4 in)	38 of 100 (Notable)
Greeneville Exp STN	United States	Record daily precipitation	37.8 mm (1.5 in)	38 of 100 (Notable)
Kingsport	United States	Record daily precipitation	46.7 mm (1.8 in)	38 of 100 (Notable)
Laona 6 SW	United States	Record daily snowfall	5.8 cm (2.3 in)	38 of 100 (Notable)
Ribeirao Corrente	Brazil	Record daily precipitation	82.3 mm (3.2 in)	37 of 100 (Notable)
Cherokee	United States	Record daily snowfall	5.1 cm (2.0 in)	37 of 100 (Notable)
Hoxie	United States	Record low minimum temperature	-5.0 C (23.0 F)	37 of 100 (Notable)
Gonvick 2 W	United States	Record daily snowfall	5.1 cm (2.0 in)	37 of 100 (Notable)
Coweeta Exp STN	United States	Record daily precipitation	104.1 mm (4.1 in)	37 of 100 (Notable)
Monterey	United States	Record daily precipitation	39.4 mm (1.6 in)	37 of 100 (Notable)
Newport	United States	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Brule Rs	United States	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Rest Lake	United States	Record daily snowfall	5.1 cm (2.0 in)	37 of 100 (Notable)
Puente Colgante	Mexico	Record high minimum temperature	27.8 C (82.0 F)	36 of 100 (Notable)
Catemaco	Mexico	Record daily precipitation	110.5 mm (4.4 in)	36 of 100 (Notable)
Malvern	United Kingdom	Record high minimum temperature	12.6 C (54.7 F)	36 of 100 (Notable)
Fulton	United States	Record daily precipitation	62.7 mm (2.5 in)	36 of 100 (Notable)
Prentice #2	United States	Record daily snowfall	5.1 cm (2.0 in)	36 of 100 (Notable)
Martinsburg E W Virginia Rgnl	United States	Record daily precipitation	39.1 mm (1.5 in)	36 of 100 (Notable)
Xingren	China	Record daily precipitation	35.3 mm (1.4 in)	35 of 100 (Notable)
Gleniffer	South Africa	Record daily precipitation	45.5 mm (1.8 in)	35 of 100 (Notable)
Sandy Lake Dam Libby	United States	Record daily snowfall	7.6 cm (3.0 in)	35 of 100 (Notable)

Counts by Type and Timescale

1,043 records

Records set or tied on 18 October 1990 by type: Highest daily maximum 152, Lowest daily maximum 34, Highest daily minimum 223, Lowest daily minimum 78, Heaviest daily rainfall 396, Heaviest daily snowfall 86, Deepest snow cover 74.

Records on 18 October 1990 by type
Record type	Records
Highest daily maximum	152
Lowest daily maximum	34
Highest daily minimum	223
Lowest daily minimum	78
Heaviest daily rainfall	396
Heaviest daily snowfall	86
Deepest snow cover	74

Records on 18 October 1990 by timescale: all-time 0, monthly 20, daily 1,023.

How Much Records Were Beaten By

870 broken records

Margins by which the 870 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 209.1. Ties are not counted.

Top 20 by Significance

18 October 1990

Top 20 records on 18 October 1990 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 October 1990	Medford, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	95 years	65 of 100 (Major)
18 October 1990	Tower 2S, US	monthly snow depth	30.5 cm (12.0 in)	15.3 cm (6.0 in)	5 years	60 of 100 (Major)
18 October 1990	Queenstown, ZA	daily rain	29.0 mm (1.1 in)	17.6 mm (0.7 in)	102 years	58 of 100 (Notable)
18 October 1990	Solon Springs, US	daily rain	34.5 mm (1.4 in)	23.1 mm (0.9 in)	84 years	58 of 100 (Notable)
18 October 1990	N Bend SW Oregon Rgnl AP, US	daily rain	75.2 mm (3.0 in)	52.6 mm (2.1 in)	32 years	57 of 100 (Notable)
18 October 1990	Tower 2S, US	daily rain	54.6 mm (2.1 in)	40.1 mm (1.6 in)	21 years	55 of 100 (Notable)
18 October 1990	Edgeley 3WNW, US	daily snowfall	7.6 cm (3.0 in)	7.3 cm (2.9 in)	88 years	55 of 100 (Notable)
18 October 1990	Lac Vieux Desert, US	daily snowfall	14.0 cm (5.5 in)	12.7 cm (5.0 in)	25 years	55 of 100 (Notable)
18 October 1990	Merrill, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	84 years	54 of 100 (Notable)
18 October 1990	Itasca UNIV of Minn, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	79 years	53 of 100 (Notable)
18 October 1990	Zambezi, ZM	monthly rain	70.1 mm (2.8 in)	24.9 mm (1.0 in)	20 years	51 of 100 (Notable)
18 October 1990	Waller, US	daily rain	98.8 mm (3.9 in)	85.3 mm (3.4 in)	24 years	50 of 100 (Notable)
18 October 1990	Maclear (Mag), ZA	daily rain	26.5 mm (1.0 in)	13.3 mm (0.5 in)	84 years	49 of 100 (Notable)
18 October 1990	Cass Lake, US	monthly snowfall	13.2 cm (5.2 in)	3.0 cm (1.2 in)	83 years	49 of 100 (Notable)
18 October 1990	Sosunovo, RU	daily rain	83.6 mm (3.3 in)	60.1 mm (2.4 in)	24 years	48 of 100 (Notable)
18 October 1990	Hot Springs, US	daily rain	40.9 mm (1.6 in)	25.4 mm (1.0 in)	61 years	48 of 100 (Notable)
18 October 1990	Nicosia, CY	daily high min	21.3 C (70.3 F)	3.0 C (5.4 F)	95 years	47 of 100 (Notable)
18 October 1990	Loma Fina, MX	daily rain	59.9 mm (2.4 in)	53.0 mm (2.1 in)	17 years	47 of 100 (Notable)
18 October 1990	Kenton, US	daily rain	33.5 mm (1.3 in)	24.9 mm (1.0 in)	23 years	47 of 100 (Notable)
18 October 1990	Bayfield 6 N, US	daily rain	38.1 mm (1.5 in)	27.2 mm (1.1 in)	24 years	47 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 1990

Records set or tied on this calendar date in each year from 1794 to 1990. 1990 had 1,043 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 1990-10-18: 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 2026-10-17 (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	810
50 to 100	49
100 to 150	9
150 to 200	1
200 to 250	1