Weather Records on 18 December 1989

1,818 weather records were set or tied worldwide on 18 December 1989. Highest significance: Park City G.C., US.

Key Facts for 18 December 1989

On 18 December 1989, 1,818 weather records were set or tied at long-record stations worldwide.
458 were record highs and 892 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 45 monthly and 1,771 daily.
Park City G.C. set a monthly record daily precipitation of 88.9 mm (3.5 in) on 18 December 1989.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 471 records.

Record Map

1,818 stations

1,818 station records on 18 December 1989 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 December 1989: highest significance records shown on the map
Station	Country	Type	Value	Significance
Park City G.C.	United States	Record daily precipitation	88.9 mm (3.5 in)	83 of 100 (Exceptional)
Roundup	United States	Record snow depth	30.5 cm (12.0 in)	57 of 100 (Notable)
Newberry-Luce Co Rd Commission	United States	Record snow depth	66.0 cm (26.0 in)	52 of 100 (Notable)
Lusk 2 SW	United States	Record snow depth	22.9 cm (9.0 in)	51 of 100 (Notable)
Kanalohuluhulu 1075	United States	Record low maximum temperature	7.8 C (46.0 F)	48 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	76.5 mm (3.0 in)	47 of 100 (Notable)
Yuma	United States	Record daily snowfall	12.7 cm (5.0 in)	47 of 100 (Notable)
Lead	United States	Record snow depth	63.5 cm (25.0 in)	46 of 100 (Notable)
Zagreb-Gric	Croatia	Record high minimum temperature	10.8 C (51.4 F)	45 of 100 (Notable)
Narandiba	Brazil	Record daily precipitation	116.9 mm (4.6 in)	43 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record high minimum temperature	10.0 C (50.0 F)	43 of 100 (Notable)
Putbus	Germany	Record high minimum temperature	6.8 C (44.2 F)	43 of 100 (Notable)
Waverly	United States	Record low minimum temperature	-27.2 C (-17.0 F)	43 of 100 (Notable)
Salzburg	Austria	Record high maximum temperature	14.9 C (58.8 F)	42 of 100 (Notable)
Ft Wayne Disposal Plt	United States	Record daily precipitation	33.0 mm (1.3 in)	41 of 100 (Notable)
Copper Hill	United States	Record snow depth	22.9 cm (9.0 in)	41 of 100 (Notable)
Wien	Austria	Record high maximum temperature	14.2 C (57.6 F)	40 of 100 (Notable)
Praha-Klementinum	Czech Republic	Record high minimum temperature	7.2 C (45.0 F)	40 of 100 (Notable)
Greifswald	Germany	Record high minimum temperature	8.4 C (47.1 F)	40 of 100 (Notable)
Bernburg/Saale (Nord)	Germany	Record high minimum temperature	8.2 C (46.8 F)	40 of 100 (Notable)
Waren	Germany	Record high minimum temperature	5.9 C (42.6 F)	40 of 100 (Notable)
Washington 1 W	United States	Record low minimum temperature	-20.6 C (-5.1 F)	40 of 100 (Notable)
Circleville	United States	Record low maximum temperature	-13.9 C (7.0 F)	40 of 100 (Notable)
Upper Sandusky	United States	Record low maximum temperature	-13.3 C (8.1 F)	40 of 100 (Notable)
Burkes Garden	United States	Record low minimum temperature	-22.2 C (-8.0 F)	40 of 100 (Notable)
Bjelasnica	Bosnia and Herzegovina	Record high minimum temperature	2.6 C (36.7 F)	39 of 100 (Notable)
Varzea da Palma	Brazil	Record daily precipitation	77.8 mm (3.1 in)	39 of 100 (Notable)
Gorlitz	Germany	Record high maximum temperature	12.0 C (53.6 F)	39 of 100 (Notable)
Marnitz	Germany	Record high minimum temperature	8.4 C (47.1 F)	39 of 100 (Notable)
Columbus	United States	Record low maximum temperature	-11.7 C (10.9 F)	39 of 100 (Notable)
Salem	United States	Record low minimum temperature	-21.1 C (-6.0 F)	39 of 100 (Notable)
Maple City 1E	United States	Record daily snowfall	40.6 cm (16.0 in)	39 of 100 (Notable)
Henderson 2 NNW	United States	Record low maximum temperature	-2.8 C (27.0 F)	39 of 100 (Notable)
Delaware	United States	Record low maximum temperature	-13.3 C (8.1 F)	39 of 100 (Notable)
Norwalk Wwtp	United States	Record low maximum temperature	-13.9 C (7.0 F)	39 of 100 (Notable)
Lyon - St Exupery	France	Record high maximum temperature	20.1 C (68.2 F)	38 of 100 (Notable)
Angermunde	Germany	Record high minimum temperature	7.9 C (46.2 F)	38 of 100 (Notable)
Cottbus	Germany	Record high minimum temperature	9.3 C (48.7 F)	38 of 100 (Notable)
Steamboat Springs	United States	Record daily snowfall	29.2 cm (11.5 in)	38 of 100 (Notable)
1 ENE Fairfield	United States	Record low minimum temperature	-21.1 C (-6.0 F)	38 of 100 (Notable)
Greenfield	United States	Record low maximum temperature	-13.3 C (8.1 F)	38 of 100 (Notable)
Bellefontaine	United States	Record low maximum temperature	-13.9 C (7.0 F)	38 of 100 (Notable)
Williamson	United States	Record low maximum temperature	-6.7 C (19.9 F)	38 of 100 (Notable)
Girua	Brazil	Record daily precipitation	83.2 mm (3.3 in)	37 of 100 (Notable)
Magdeburg	Germany	Record high minimum temperature	6.9 C (44.4 F)	37 of 100 (Notable)
Chemnitz	Germany	Record high minimum temperature	7.7 C (45.9 F)	37 of 100 (Notable)
Todos Santos (Dge)	Mexico	Record daily precipitation	63.8 mm (2.5 in)	37 of 100 (Notable)
Seymour 1 WSW	United States	Record low minimum temperature	-23.3 C (-9.9 F)	37 of 100 (Notable)
Winfield 3NE	United States	Record snow depth	15.2 cm (6.0 in)	37 of 100 (Notable)
New Iberia AP - Acadiana Rgnl	United States	Record low maximum temperature	6.1 C (43.0 F)	37 of 100 (Notable)
Bucyrus	United States	Record low maximum temperature	-14.4 C (6.1 F)	37 of 100 (Notable)
Fremont	United States	Record low maximum temperature	-13.9 C (7.0 F)	37 of 100 (Notable)
Hiram	United States	Record low maximum temperature	-13.9 C (7.0 F)	37 of 100 (Notable)
Kenton	United States	Record low maximum temperature	-13.3 C (8.1 F)	37 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record low maximum temperature	-10.0 C (14.0 F)	37 of 100 (Notable)
Oberlin	United States	Record low minimum temperature	-23.9 C (-11.0 F)	37 of 100 (Notable)
Sumter	United States	Record low maximum temperature	1.1 C (34.0 F)	37 of 100 (Notable)
Crockett	United States	Record low maximum temperature	1.1 C (34.0 F)	37 of 100 (Notable)
Sugar Land	United States	Record low maximum temperature	2.8 C (37.0 F)	37 of 100 (Notable)
Bedford	United States	Record low maximum temperature	-3.9 C (25.0 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,818 records

Records set or tied on 18 December 1989 by type: Highest daily maximum 194, Lowest daily maximum 555, Highest daily minimum 264, Lowest daily minimum 337, Heaviest daily rainfall 198, Heaviest daily snowfall 89, Deepest snow cover 181.

Records on 18 December 1989 by type
Record type	Records
Highest daily maximum	194
Lowest daily maximum	555
Highest daily minimum	264
Lowest daily minimum	337
Heaviest daily rainfall	198
Heaviest daily snowfall	89
Deepest snow cover	181

Records on 18 December 1989 by timescale: all-time 2, monthly 45, daily 1,771.

How Much Records Were Beaten By

1,484 broken records

Margins by which the 1,484 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

18 December 1989

Top 20 records on 18 December 1989 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 December 1989	Park City G.C., US	monthly rain	88.9 mm (3.5 in)	38.1 mm (1.5 in)	80 years	83 of 100 (Exceptional)
18 December 1989	Roundup, US	daily snow depth	30.5 cm (12.0 in)	17.8 cm (7.0 in)	68 years	57 of 100 (Notable)
18 December 1989	Newberry-Luce Co Rd Commission, US	daily snow depth	66.0 cm (26.0 in)	22.8 cm (9.0 in)	88 years	52 of 100 (Notable)
18 December 1989	Lusk 2 SW, US	daily snow depth	22.9 cm (9.0 in)	15.3 cm (6.0 in)	38 years	51 of 100 (Notable)
18 December 1989	Kanalohuluhulu 1075, US	daily low max	7.8 C (46.0 F)	6.6 C (11.9 F)	58 years	48 of 100 (Notable)
18 December 1989	Col du Grand St-Bernard, CH	daily rain	76.5 mm (3.0 in)	31.5 mm (1.2 in)	44 years	47 of 100 (Notable)
18 December 1989	Yuma, US	daily snowfall	12.7 cm (5.0 in)	7.6 cm (3.0 in)	64 years	47 of 100 (Notable)
18 December 1989	Lead, US	daily snow depth	63.5 cm (25.0 in)	17.8 cm (7.0 in)	80 years	46 of 100 (Notable)
18 December 1989	Zagreb-Gric, HR	daily high min	10.8 C (51.4 F)	2.4 C (4.3 F)	102 years	45 of 100 (Notable)
18 December 1989	Narandiba, BR	monthly rain	116.9 mm (4.6 in)	35.4 mm (1.4 in)	18 years	43 of 100 (Notable)
18 December 1989	Leipzig-Holzhausen, DE	daily high min	10.0 C (50.0 F)	3.0 C (5.4 F)	90 years	43 of 100 (Notable)
18 December 1989	Putbus, DE	daily high min	6.8 C (44.2 F)	1.6 C (2.9 F)	96 years	43 of 100 (Notable)
18 December 1989	Waverly, US	daily low min	-27.2 C (-17.0 F)	8.9 C (16.0 F)	72 years	43 of 100 (Notable)
18 December 1989	Salzburg, AT	daily high max	14.9 C (58.8 F)	2.9 C (5.2 F)	87 years	42 of 100 (Notable)
18 December 1989	Ft Wayne Disposal Plt, US	daily rain	33.0 mm (1.3 in)	22.6 mm (0.9 in)	40 years	41 of 100 (Notable)
18 December 1989	Copper Hill, US	daily snow depth	22.9 cm (9.0 in)	15.3 cm (6.0 in)	44 years	41 of 100 (Notable)
18 December 1989	Wien, AT	daily high max	14.2 C (57.6 F)	1.6 C (2.9 F)	90 years	40 of 100 (Notable)
18 December 1989	Praha-Klementinum, CZ	daily high min	7.2 C (45.0 F)	0.1 C (0.2 F)	209 years	40 of 100 (Notable)
18 December 1989	Greifswald, DE	daily high min	8.4 C (47.1 F)	3.5 C (6.3 F)	79 years	40 of 100 (Notable)
18 December 1989	Bernburg/Saale (Nord), DE	daily high min	8.2 C (46.8 F)	2.0 C (3.6 F)	90 years	40 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 1989

Records set or tied on this calendar date in each year from 1793 to 1989. 1989 had 1,818 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 1989-12-18: 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	1,406
50 to 100	52
100 to 150	13
150 to 200	9
200 to 250	3
250 to 300	1