Weather Records on 17 December 1989

2,905 weather records were set or tied worldwide on 17 December 1989. Highest significance: Lassance, BR.

Key Facts for 17 December 1989

On 17 December 1989, 2,905 weather records were set or tied at long-record stations worldwide.
687 were record highs and 1,588 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 95 monthly and 2,807 daily.
Lassance set a daily record precipitation of 130.4 mm (5.1 in) on 17 December 1989.
Across 160 earlier years (1793 to 2025) the same calendar date averaged 448 records.

Record Map

2,000 stations, highest significance shown

2,000 station records on 17 December 1989 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 December 1989: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lassance	Brazil	Record daily precipitation	130.4 mm (5.1 in)	55 of 100 (Notable)
Silkwood Post Office	Australia	Record daily precipitation	207.8 mm (8.2 in)	53 of 100 (Notable)
Roundup	United States	Record snow depth	30.5 cm (12.0 in)	53 of 100 (Notable)
Canfield 1 S	United States	Record daily snowfall	12.7 cm (5.0 in)	52 of 100 (Notable)
San Jacinto	Mexico	Record daily precipitation	61.0 mm (2.4 in)	51 of 100 (Notable)
Todos Santos (Smn)	Mexico	Record daily precipitation	62.0 mm (2.4 in)	51 of 100 (Notable)
Portsmouth-Sciotoville	United States	Record snow depth	10.2 cm (4.0 in)	51 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record high minimum temperature	11.0 C (51.8 F)	50 of 100 (Notable)
Zagreb-Gric	Croatia	Record high minimum temperature	14.4 C (57.9 F)	50 of 100 (Notable)
Mt Vernon 3 NE	United States	Record snow depth	15.2 cm (6.0 in)	49 of 100 (Notable)
Lysebotn	Norway	Record snow depth	37.0 cm (14.6 in)	48 of 100 (Notable)
Ulysses 3NE	United States	Record daily snowfall	6.4 cm (2.5 in)	48 of 100 (Notable)
Cherokee 4W	United States	Record daily snowfall	10.2 cm (4.0 in)	48 of 100 (Notable)
Guadalupe Y Calvo (Smn)	Mexico	Record daily precipitation	105.9 mm (4.2 in)	46 of 100 (Notable)
Richfield 10 WSW	United States	Record daily snowfall	10.2 cm (4.0 in)	46 of 100 (Notable)
Lead	United States	Record snow depth	66.0 cm (26.0 in)	46 of 100 (Notable)
Salzburg	Austria	Record high maximum temperature	18.6 C (65.5 F)	45 of 100 (Notable)
1 ENE Fairfield	United States	Record snow depth	17.8 cm (7.0 in)	45 of 100 (Notable)
Lamar 7N	United States	Record low minimum temperature	-23.3 C (-9.9 F)	45 of 100 (Notable)
Stornoway Airport	United Kingdom	Record daily precipitation	44.0 mm (1.7 in)	44 of 100 (Notable)
Jena Sternwarte	Germany	Record high minimum temperature	9.2 C (48.6 F)	43 of 100 (Notable)
Szombathely	Hungary	Record high minimum temperature	9.7 C (49.5 F)	43 of 100 (Notable)
Pine Bluff	United States	Record low maximum temperature	-5.0 C (23.0 F)	43 of 100 (Notable)
New Iberia AP - Acadiana Rgnl	United States	Record low maximum temperature	2.8 C (37.0 F)	43 of 100 (Notable)
Okmulgee Wtr Wks	United States	Record low maximum temperature	-6.7 C (19.9 F)	43 of 100 (Notable)
Webbers Falls 5 WSW	United States	Record low maximum temperature	-6.1 C (21.0 F)	43 of 100 (Notable)
Fredericksburg	United States	Record low maximum temperature	-2.8 C (27.0 F)	43 of 100 (Notable)
Sonora	United States	Record low maximum temperature	-1.7 C (28.9 F)	43 of 100 (Notable)
Praha-Klementinum	Czech Republic	Record high maximum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Effingham 3SW	United States	Record low maximum temperature	-13.3 C (8.1 F)	42 of 100 (Notable)
Greensburg	United States	Record low maximum temperature	-15.6 C (3.9 F)	42 of 100 (Notable)
Madison Sewage Plt	United States	Record snow depth	22.9 cm (9.0 in)	42 of 100 (Notable)
Lockport Lock 2	United States	Record snow depth	10.2 cm (4.0 in)	42 of 100 (Notable)
Ionia 2SSW	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Derry 4 SW	United States	Record low maximum temperature	-12.8 C (9.0 F)	42 of 100 (Notable)
Marlinton	United States	Record low minimum temperature	-25.6 C (-14.1 F)	42 of 100 (Notable)
San Antonio Sur	Mexico	Record daily precipitation	30.5 mm (1.2 in)	41 of 100 (Notable)
Mt Vernon 3 NE	United States	Record low maximum temperature	-13.9 C (7.0 F)	41 of 100 (Notable)
Waterloo 6SW	United States	Record snow depth	15.2 cm (6.0 in)	41 of 100 (Notable)
White Hall 1 E	United States	Record low maximum temperature	-12.2 C (10.0 F)	41 of 100 (Notable)
1 WSW Princeton	United States	Record low maximum temperature	-9.4 C (15.1 F)	41 of 100 (Notable)
Vevay	United States	Record low maximum temperature	-10.0 C (14.0 F)	41 of 100 (Notable)
Richfield	United States	Record daily snowfall	10.2 cm (4.0 in)	41 of 100 (Notable)
Leitchfield 2 N	United States	Record low minimum temperature	-20.0 C (-4.0 F)	41 of 100 (Notable)
Chestertown	United States	Record low maximum temperature	-5.6 C (21.9 F)	41 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record low maximum temperature	-10.6 C (12.9 F)	41 of 100 (Notable)
Philo 3 SW	United States	Record low maximum temperature	-11.1 C (12.0 F)	41 of 100 (Notable)
Bay City Wtr Wks	United States	Record low maximum temperature	2.2 C (36.0 F)	41 of 100 (Notable)
Ponca City Muni AP	United States	Record daily snowfall	7.6 cm (3.0 in)	41 of 100 (Notable)
Evelyn State Forest	Australia	Record daily precipitation	48.2 mm (1.9 in)	40 of 100 (Notable)
Woodleigh	Australia	Record daily precipitation	70.4 mm (2.8 in)	40 of 100 (Notable)
Chemnitz	Germany	Record high minimum temperature	8.4 C (47.1 F)	40 of 100 (Notable)
La Poza Honda	Mexico	Record daily precipitation	37.8 mm (1.5 in)	40 of 100 (Notable)
Brinkley	United States	Record low minimum temperature	-15.0 C (5.0 F)	40 of 100 (Notable)
Newport	United States	Record low minimum temperature	-15.6 C (3.9 F)	40 of 100 (Notable)
Ozark	United States	Record low minimum temperature	-15.6 C (3.9 F)	40 of 100 (Notable)
Salida	United States	Record low maximum temperature	-5.0 C (23.0 F)	40 of 100 (Notable)
Carbondale Sewage Plt	United States	Record low maximum temperature	-10.6 C (12.9 F)	40 of 100 (Notable)
Ottawa 4SW	United States	Record low maximum temperature	-13.3 C (8.1 F)	40 of 100 (Notable)
Salem	United States	Record snow depth	12.7 cm (5.0 in)	40 of 100 (Notable)

Counts by Type and Timescale

2,905 records

Records set or tied on 17 December 1989 by type: Highest daily maximum 378, Lowest daily maximum 983, Highest daily minimum 309, Lowest daily minimum 605, Heaviest daily rainfall 230, Heaviest daily snowfall 165, Deepest snow cover 235.

Records on 17 December 1989 by type
Record type	Records
Highest daily maximum	378
Lowest daily maximum	983
Highest daily minimum	309
Lowest daily minimum	605
Heaviest daily rainfall	230
Heaviest daily snowfall	165
Deepest snow cover	235

Records on 17 December 1989 by timescale: all-time 3, monthly 95, daily 2,807.

How Much Records Were Beaten By

2,533 broken records

Margins by which the 2,533 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

17 December 1989

Top 20 records on 17 December 1989 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 December 1989	Lassance, BR	daily rain	130.4 mm (5.1 in)	80.5 mm (3.2 in)	39 years	55 of 100 (Notable)
17 December 1989	Silkwood Post Office, AU	daily rain	207.8 mm (8.2 in)	193.8 mm (7.6 in)	36 years	53 of 100 (Notable)
17 December 1989	Roundup, US	daily snow depth	30.5 cm (12.0 in)	17.8 cm (7.0 in)	56 years	53 of 100 (Notable)
17 December 1989	Canfield 1 S, US	daily snowfall	12.7 cm (5.0 in)	7.6 cm (3.0 in)	70 years	52 of 100 (Notable)
17 December 1989	San Jacinto, MX	daily rain	61.0 mm (2.4 in)	60.2 mm (2.4 in)	27 years	51 of 100 (Notable)
17 December 1989	Todos Santos (Smn), MX	daily rain	62.0 mm (2.4 in)	61.2 mm (2.4 in)	22 years	51 of 100 (Notable)
17 December 1989	Portsmouth-Sciotoville, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	52 years	51 of 100 (Notable)
17 December 1989	Leipzig-Holzhausen, DE	monthly high min	11.0 C (51.8 F)	0.4 C (0.7 F)	121 years	50 of 100 (Notable)
17 December 1989	Zagreb-Gric, HR	daily high min	14.4 C (57.9 F)	4.3 C (7.7 F)	102 years	50 of 100 (Notable)
17 December 1989	Mt Vernon 3 NE, US	daily snow depth	15.2 cm (6.0 in)	7.6 cm (3.0 in)	84 years	49 of 100 (Notable)
17 December 1989	Lysebotn, NO	daily snow depth	37.0 cm (14.6 in)	23.0 cm (9.1 in)	16 years	48 of 100 (Notable)
17 December 1989	Ulysses 3NE, US	daily snowfall	6.4 cm (2.5 in)	6.4 cm (2.5 in)	93 years	48 of 100 (Notable)
17 December 1989	Cherokee 4W, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	72 years	48 of 100 (Notable)
17 December 1989	Guadalupe Y Calvo (Smn), MX	daily rain	105.9 mm (4.2 in)	85.6 mm (3.4 in)	2 years	46 of 100 (Notable)
17 December 1989	Du Quoin 4 SE, US	daily snow depth	7.6 cm (3.0 in)	7.6 cm (3.0 in)	87 years	20 of 100 (Routine)
17 December 1989	Juzhno-Suhokumsk, RU	daily rain	13.6 mm (0.5 in)	9.5 mm (0.37 in)	28 years	20 of 100 (Routine)
17 December 1989	Meade, US	daily rain	22.9 mm (0.9 in)	19.1 mm (0.8 in)	30 years	20 of 100 (Routine)
17 December 1989	Ulyanovsk, RU	daily rain	13.2 mm (0.5 in)	10.9 mm (0.4 in)	8 years	20 of 100 (Routine)
17 December 1989	Grenola 1 N, US	daily snowfall	3.8 cm (1.5 in)	3.8 cm (1.5 in)	95 years	20 of 100 (Routine)
17 December 1989	Augusta, US	daily snowfall	3.6 cm (1.4 in)	3.6 cm (1.4 in)	91 years	20 of 100 (Routine)

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 2,905 records.

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

Records on 12-17 in each year
Year	Records
1793	2
1796	1
1806	2
1808	2
1814	1
1815	1
1839	1
1845	1
1846	4
1847	1
1848	1
1859	3
1866	1
1867	1
1868	1
1869	2
1873	2
1876	3
1877	2
1878	1
1879	2
1881	2
1885	1
1886	1
1888	2
1889	2
1890	4
1892	4
1893	2
1894	4
1895	3
1896	4
1897	4
1898	2
1899	1
1900	6
1901	5
1902	47
1903	2
1904	14
1905	2
1906	17
1907	9
1908	13
1909	5
1910	37
1911	12
1912	15
1913	21
1914	17
1915	31
1916	21
1917	21
1918	21
1919	109
1920	97
1921	94
1922	120
1923	170
1924	505
1925	79
1926	172
1927	143
1928	359
1929	221
1930	362
1931	217
1932	684
1933	710
1934	200
1935	87
1936	504
1937	379
1938	118
1939	1,126
1940	248
1941	261
1942	507
1943	444
1944	189
1945	621
1946	207
1947	258
1948	316
1949	296
1950	294
1951	773
1952	277
1953	283
1954	409
1955	419
1956	448
1957	686
1958	540
1959	548
1960	492
1961	911
1962	676
1963	531
1964	1,239
1965	482
1966	516
1967	1,121
1968	338
1969	238
1970	820
1971	781
1972	601
1973	1,016
1974	390
1975	474
1976	507
1977	1,024
1978	710
1979	951
1980	1,116
1981	1,354
1982	569
1983	1,264
1984	1,618
1985	1,210
1986	743
1987	1,191
1988	481
1989	2,905
1990	866
1991	577
1992	1,461
1993	761
1994	685
1995	956
1996	1,212
1997	1,279
1998	695
1999	901
2000	1,566
2001	1,262
2002	858
2003	751
2004	554
2005	806
2006	1,307
2007	1,100
2008	1,354
2009	926
2010	1,405
2011	430
2012	942
2013	718
2014	370
2015	1,378
2016	1,521
2017	408
2018	498
2019	917
2020	768
2021	908
2022	595
2023	931
2024	560
2025	1,198

Download the Data

Data for records on 1989-12-17: 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	2,399
50 to 100	102
100 to 150	23
150 to 200	6
200 to 250	2
250 to 300	1