Weather Records on 18 December 1990

1,367 weather records were set or tied worldwide on 18 December 1990. Highest significance: Boonville 1S, US.

Key Facts for 18 December 1990

On 18 December 1990, 1,367 weather records were set or tied at long-record stations worldwide.
493 were record highs and 76 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 36 monthly and 1,331 daily.
Boonville 1S set a daily record precipitation of 66.3 mm (2.6 in) on 18 December 1990.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 474 records.

Record Map

1,367 stations

1,367 station records on 18 December 1990 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 December 1990: highest significance records shown on the map
Station	Country	Type	Value	Significance
Boonville 1S	United States	Record daily precipitation	66.3 mm (2.6 in)	67 of 100 (Major)
Stevens Pt	United States	Record daily snowfall	15.2 cm (6.0 in)	64 of 100 (Major)
Hopkinsville	United States	Record daily precipitation	110.2 mm (4.3 in)	63 of 100 (Major)
Philo 3 SW	United States	Record daily precipitation	49.0 mm (1.9 in)	63 of 100 (Major)
Kwa-Mbonambi (Bos)	South Africa	Record daily precipitation	99.2 mm (3.9 in)	62 of 100 (Major)
Leitchfield 2 N	United States	Record daily precipitation	102.4 mm (4.0 in)	58 of 100 (Notable)
Lexington Bluegrass AP	United States	Record daily precipitation	67.1 mm (2.6 in)	58 of 100 (Notable)
Gallipolis	United States	Record daily precipitation	50.8 mm (2.0 in)	56 of 100 (Notable)
Cincinnati/Northern Kentucky I	United States	Record daily precipitation	51.8 mm (2.0 in)	56 of 100 (Notable)
Shelbyville 1 E	United States	Record daily precipitation	63.5 mm (2.5 in)	55 of 100 (Notable)
Woodbury	United States	Record daily precipitation	79.8 mm (3.1 in)	55 of 100 (Notable)
Middlebourne 3 ESE	United States	Record daily precipitation	35.8 mm (1.4 in)	55 of 100 (Notable)
Eau Pleine Rsvr	United States	Record daily snowfall	25.4 cm (10.0 in)	55 of 100 (Notable)
Rib Falls	United States	Record daily snowfall	22.9 cm (9.0 in)	55 of 100 (Notable)
Louisville Intl AP	United States	Record daily precipitation	54.6 mm (2.1 in)	55 of 100 (Notable)
Murray	United States	Record daily precipitation	80.3 mm (3.2 in)	54 of 100 (Notable)
Cascade 5 S	United States	Record daily snowfall	16.5 cm (6.5 in)	54 of 100 (Notable)
Paris 3 ESE	United States	Record daily precipitation	88.1 mm (3.5 in)	54 of 100 (Notable)
Salem	United States	Record daily precipitation	61.0 mm (2.4 in)	53 of 100 (Notable)
Bardstown 5E	United States	Record daily precipitation	79.2 mm (3.1 in)	53 of 100 (Notable)
Sparta	United States	Record daily snowfall	20.3 cm (8.0 in)	53 of 100 (Notable)
Zanesville Muni AP	United States	Record daily precipitation	45.5 mm (1.8 in)	53 of 100 (Notable)
Rohwer 2 NNE	United States	Record daily precipitation	89.7 mm (3.5 in)	52 of 100 (Notable)
Summer Shade	United States	Record daily precipitation	87.6 mm (3.4 in)	52 of 100 (Notable)
Williamstown	United States	Record daily precipitation	59.7 mm (2.4 in)	52 of 100 (Notable)
Lanesboro	United States	Record daily snowfall	17.8 cm (7.0 in)	52 of 100 (Notable)
Clarksville Wwtp	United States	Record daily precipitation	47.8 mm (1.9 in)	52 of 100 (Notable)
Shawano 2SSW	United States	Record daily snowfall	19.1 cm (7.5 in)	52 of 100 (Notable)
Sparta 1 W	United States	Record daily precipitation	48.3 mm (1.9 in)	51 of 100 (Notable)
Glasgow	United States	Record daily precipitation	78.0 mm (3.1 in)	51 of 100 (Notable)
Irwin	United States	Record daily precipitation	43.2 mm (1.7 in)	51 of 100 (Notable)
Antigo	United States	Record daily snowfall	17.8 cm (7.0 in)	51 of 100 (Notable)
Danville	United States	Record daily precipitation	59.7 mm (2.4 in)	50 of 100 (Notable)
Greensburg	United States	Record daily precipitation	53.1 mm (2.1 in)	50 of 100 (Notable)
Henderson 8 SSW	United States	Record daily precipitation	54.1 mm (2.1 in)	50 of 100 (Notable)
Owensboro 3ENE	United States	Record daily precipitation	59.7 mm (2.4 in)	50 of 100 (Notable)
Springfield 2W	United States	Record daily precipitation	61.5 mm (2.4 in)	50 of 100 (Notable)
Barnesville	United States	Record daily precipitation	38.9 mm (1.5 in)	50 of 100 (Notable)
Columbus-Valley Crossing	United States	Record daily precipitation	46.0 mm (1.8 in)	50 of 100 (Notable)
Parkersburg AP	United States	Record daily precipitation	56.9 mm (2.2 in)	50 of 100 (Notable)
Richfields	Australia	Record daily precipitation	25.5 mm (1.0 in)	49 of 100 (Notable)
Scottsburg	United States	Record daily precipitation	51.3 mm (2.0 in)	49 of 100 (Notable)
Vevay	United States	Record daily precipitation	60.2 mm (2.4 in)	49 of 100 (Notable)
Canfield 1 S	United States	Record daily precipitation	33.0 mm (1.3 in)	49 of 100 (Notable)
Fairview	South Africa	Record daily precipitation	62.5 mm (2.5 in)	48 of 100 (Notable)
Warren 3 S	United States	Record daily precipitation	34.5 mm (1.4 in)	48 of 100 (Notable)
Dresden	United States	Record daily precipitation	120.7 mm (4.8 in)	48 of 100 (Notable)
Mather 3 NW	United States	Record daily snowfall	22.9 cm (9.0 in)	48 of 100 (Notable)
Madison Sewage Plt	United States	Record daily precipitation	50.8 mm (2.0 in)	47 of 100 (Notable)
Northwood	United States	Record daily snowfall	15.2 cm (6.0 in)	47 of 100 (Notable)
Glendale	United States	Record daily precipitation	92.5 mm (3.6 in)	47 of 100 (Notable)
Dickson	United States	Record daily precipitation	60.2 mm (2.4 in)	47 of 100 (Notable)
Morgantown Muni AP	United States	Record daily precipitation	56.9 mm (2.2 in)	47 of 100 (Notable)
Osage	United States	Record daily snowfall	15.2 cm (6.0 in)	46 of 100 (Notable)
Cynthiana	United States	Record daily precipitation	53.3 mm (2.1 in)	46 of 100 (Notable)
Hillsboro 3 N	United States	Record daily snowfall	8.9 cm (3.5 in)	46 of 100 (Notable)
Coshocton Wpc Plt	United States	Record daily precipitation	39.4 mm (1.6 in)	46 of 100 (Notable)
Wis Rapids Grand Av B	United States	Record daily snowfall	20.3 cm (8.0 in)	46 of 100 (Notable)
Bradford Rgnl AP	United States	Record daily precipitation	37.3 mm (1.5 in)	46 of 100 (Notable)
John Glenn Intl AP	United States	Record daily precipitation	39.9 mm (1.6 in)	46 of 100 (Notable)

Counts by Type and Timescale

1,367 records

Records set or tied on 18 December 1990 by type: Highest daily maximum 285, Lowest daily maximum 27, Highest daily minimum 208, Lowest daily minimum 49, Heaviest daily rainfall 600, Heaviest daily snowfall 152, Deepest snow cover 46.

Records on 18 December 1990 by type
Record type	Records
Highest daily maximum	285
Lowest daily maximum	27
Highest daily minimum	208
Lowest daily minimum	49
Heaviest daily rainfall	600
Heaviest daily snowfall	152
Deepest snow cover	46

Records on 18 December 1990 by timescale: all-time 0, monthly 36, daily 1,331.

How Much Records Were Beaten By

1,164 broken records

Margins by which the 1,164 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 330.0. Ties are not counted.

Top 20 by Significance

18 December 1990

Top 20 records on 18 December 1990 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 December 1990	Boonville 1S, US	daily rain	66.3 mm (2.6 in)	54.6 mm (2.1 in)	60 years	67 of 100 (Major)
18 December 1990	Stevens Pt, US	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	81 years	64 of 100 (Major)
18 December 1990	Hopkinsville, US	daily rain	110.2 mm (4.3 in)	54.1 mm (2.1 in)	60 years	63 of 100 (Major)
18 December 1990	Philo 3 SW, US	daily rain	49.0 mm (1.9 in)	27.4 mm (1.1 in)	52 years	63 of 100 (Major)
18 December 1990	Kwa-Mbonambi (Bos), ZA	daily rain	99.2 mm (3.9 in)	75.1 mm (3.0 in)	57 years	62 of 100 (Major)
18 December 1990	Leitchfield 2 N, US	daily rain	102.4 mm (4.0 in)	45.2 mm (1.8 in)	60 years	58 of 100 (Notable)
18 December 1990	Lexington Bluegrass AP, US	daily rain	67.1 mm (2.6 in)	39.2 mm (1.5 in)	40 years	58 of 100 (Notable)
18 December 1990	Gallipolis, US	daily rain	50.8 mm (2.0 in)	35.3 mm (1.4 in)	36 years	56 of 100 (Notable)
18 December 1990	Cincinnati/Northern Kentucky I, US	daily rain	51.8 mm (2.0 in)	38.3 mm (1.5 in)	40 years	56 of 100 (Notable)
18 December 1990	Shelbyville 1 E, US	daily rain	63.5 mm (2.5 in)	35.6 mm (1.4 in)	52 years	55 of 100 (Notable)
18 December 1990	Woodbury, US	daily rain	79.8 mm (3.1 in)	47.3 mm (1.9 in)	52 years	55 of 100 (Notable)
18 December 1990	Middlebourne 3 ESE, US	daily rain	35.8 mm (1.4 in)	24.4 mm (1.0 in)	52 years	55 of 100 (Notable)
18 December 1990	Eau Pleine Rsvr, US	daily snowfall	25.4 cm (10.0 in)	20.3 cm (8.0 in)	39 years	55 of 100 (Notable)
18 December 1990	Rib Falls, US	daily snowfall	22.9 cm (9.0 in)	20.4 cm (8.0 in)	39 years	55 of 100 (Notable)
18 December 1990	Louisville Intl AP, US	daily rain	54.6 mm (2.1 in)	40.9 mm (1.6 in)	40 years	55 of 100 (Notable)
18 December 1990	Murray, US	daily rain	80.3 mm (3.2 in)	52.6 mm (2.1 in)	60 years	54 of 100 (Notable)
18 December 1990	Cascade 5 S, US	daily snowfall	16.5 cm (6.5 in)	11.4 cm (4.5 in)	68 years	54 of 100 (Notable)
18 December 1990	Paris 3 ESE, US	daily rain	88.1 mm (3.5 in)	70.8 mm (2.8 in)	28 years	54 of 100 (Notable)
18 December 1990	Salem, US	daily rain	61.0 mm (2.4 in)	29.5 mm (1.2 in)	60 years	53 of 100 (Notable)
18 December 1990	Bardstown 5E, US	daily rain	79.2 mm (3.1 in)	57.9 mm (2.3 in)	31 years	53 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

1793 to 1990

Records set or tied on this calendar date in each year from 1793 to 1990. 1990 had 1,367 records.

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

Records on 12-18 in each year
Year	Records
1793	1
1796	1
1805	1
1814	1
1825	1
1846	1
1849	1
1852	2
1858	1
1859	4
1862	2
1864	1
1868	1
1873	1
1875	1
1876	2
1878	1
1881	2
1882	1
1884	2
1886	1
1887	1
1888	1
1889	4
1890	5
1892	4
1894	8
1895	1
1897	4
1898	9
1899	3
1900	2
1901	6
1902	33
1903	11
1904	25
1905	3
1906	21
1907	15
1908	16
1909	18
1910	19
1911	9
1912	33
1913	38
1914	20
1915	28
1916	57
1917	62
1918	21
1919	117
1920	77
1921	123
1922	108
1923	378
1924	480
1925	74
1926	173
1927	151
1928	165
1929	366
1930	230
1931	360
1932	353
1933	506
1934	209
1935	138
1936	466
1937	459
1938	185
1939	900
1940	242
1941	213
1942	281
1943	419
1944	191
1945	598
1946	199
1947	266
1948	354
1949	561
1950	289
1951	867
1952	450
1953	373
1954	507
1955	611
1956	333
1957	901
1958	524
1959	477
1960	477
1961	885
1962	759
1963	571
1964	840
1965	402
1966	644
1967	1,105
1968	488
1969	376
1970	502
1971	387
1972	375
1973	1,008
1974	229
1975	625
1976	459
1977	992
1978	946
1979	1,087
1980	772
1981	1,362
1982	537
1983	2,014
1984	1,439
1985	1,384
1986	875
1987	1,505
1988	1,061
1989	1,818
1990	1,367
1991	756
1992	1,045
1993	697
1994	643
1995	1,065
1996	1,833
1997	1,195
1998	863
1999	923
2000	1,572
2001	906
2002	1,437
2003	987
2004	506
2005	987
2006	1,167
2007	746
2008	1,014
2009	1,253
2010	1,322
2011	697
2012	729
2013	513
2014	556
2015	1,254
2016	1,821
2017	516
2018	464
2019	679
2020	326
2021	762
2022	536
2023	1,293
2024	780
2025	994

Download the Data

Data for records on 1990-12-18: 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	1,074
50 to 100	55
100 to 150	21
150 to 200	8
200 to 250	3
250 to 300	2
300 to 350	1