Weather Records on 18 December 2019

679 weather records were set or tied worldwide on 18 December 2019. Highest significance: Wamsutter, US.

Key Facts for 18 December 2019

On 18 December 2019, 679 weather records were set or tied at long-record stations worldwide.
476 were record highs and 72 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 37 monthly and 641 daily.
Wamsutter set a daily record snow depth of 27.9 cm (11.0 in) on 18 December 2019.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 478 records.

Record Map

679 stations

679 station records on 18 December 2019 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 December 2019: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wamsutter	United States	Record snow depth	27.9 cm (11.0 in)	56 of 100 (Notable)
Oripaa Teinikivi	Finland	Record daily precipitation	25.7 mm (1.0 in)	51 of 100 (Notable)
Graz	Austria	Record high minimum temperature	8.5 C (47.3 F)	50 of 100 (Notable)
Aerop.Internacional	Mexico	Record daily precipitation	46.0 mm (1.8 in)	48 of 100 (Notable)
A Coruna/Alvedro	Spain	Record daily precipitation	55.6 mm (2.2 in)	46 of 100 (Notable)
Vilnius	Lithuania	Record high maximum temperature	9.8 C (49.6 F)	45 of 100 (Notable)
Collegeville St John's	United States	Record snow depth	45.7 cm (18.0 in)	44 of 100 (Notable)
Pulaski	United States	Record daily snowfall	27.9 cm (11.0 in)	44 of 100 (Notable)
Hvar	Croatia	Record high minimum temperature	16.4 C (61.5 F)	43 of 100 (Notable)
Americus	United States	Record daily precipitation	44.7 mm (1.8 in)	43 of 100 (Notable)
Osage City	United States	Record snow depth	10.2 cm (4.0 in)	43 of 100 (Notable)
Eagle Rvr	United States	Record snow depth	55.9 cm (22.0 in)	43 of 100 (Notable)
Phelps	United States	Record snow depth	66.0 cm (26.0 in)	43 of 100 (Notable)
Matsue	Japan	Record daily precipitation	39.9 mm (1.6 in)	42 of 100 (Notable)
Velikie Luki	Russia	Record high maximum temperature	8.1 C (46.6 F)	42 of 100 (Notable)
Halmstad	Sweden	Record high maximum temperature	9.8 C (49.6 F)	42 of 100 (Notable)
Boulia Airport	Australia	Record high maximum temperature	46.5 C (115.7 F)	41 of 100 (Notable)
Innsbruck	Austria	Record high maximum temperature	16.2 C (61.2 F)	41 of 100 (Notable)
Tartu-Toravere	Estonia	Record high maximum temperature	8.9 C (48.0 F)	39 of 100 (Notable)
Szombathely	Hungary	Record high minimum temperature	8.7 C (47.7 F)	39 of 100 (Notable)
San Carlos Rsvr	United States	Record low minimum temperature	-6.7 C (19.9 F)	39 of 100 (Notable)
Sandersville	United States	Record daily precipitation	40.9 mm (1.6 in)	39 of 100 (Notable)
Innsbruck	Austria	Record high minimum temperature	6.7 C (44.1 F)	38 of 100 (Notable)
Manassa	United States	Record low maximum temperature	-8.9 C (16.0 F)	38 of 100 (Notable)
Kyancutta	Australia	Record high maximum temperature	47.6 C (117.7 F)	37 of 100 (Notable)
Adelaide West Terrace	Australia	Record high minimum temperature	28.6 C (83.5 F)	37 of 100 (Notable)
Laverton Raaf	Australia	Record high maximum temperature	41.6 C (106.9 F)	37 of 100 (Notable)
Voru	Estonia	Record high maximum temperature	8.6 C (47.5 F)	37 of 100 (Notable)
Voru	Estonia	Record high minimum temperature	4.1 C (39.4 F)	37 of 100 (Notable)
Narva	Estonia	Record high maximum temperature	7.8 C (46.0 F)	37 of 100 (Notable)
Bastia	France	Record high minimum temperature	14.9 C (58.8 F)	37 of 100 (Notable)
Szombathely	Hungary	Record high maximum temperature	17.4 C (63.3 F)	37 of 100 (Notable)
Del Norte 3ENE	United States	Record low minimum temperature	-26.7 C (-16.1 F)	37 of 100 (Notable)
Tartu-Toravere	Estonia	Record high minimum temperature	3.9 C (39.0 F)	36 of 100 (Notable)
Munchen-Nymphenburg	Germany	Record high maximum temperature	15.1 C (59.2 F)	36 of 100 (Notable)
Sharjah Inter. Airp	United Arab Emirates	Record high minimum temperature	21.1 C (70.0 F)	35 of 100 (Notable)
Greifswald	Germany	Record high maximum temperature	12.9 C (55.2 F)	35 of 100 (Notable)
Khmelnytskyi	Ukraine	Record high maximum temperature	13.9 C (57.0 F)	35 of 100 (Notable)
Sysma Joutsjarvi	Finland	Record daily precipitation	27.0 mm (1.1 in)	34 of 100 (Routine)
Kotel'nikovo	Russia	Record high minimum temperature	5.6 C (42.1 F)	34 of 100 (Routine)
Weihenstephan-Durnast	Germany	Record high maximum temperature	14.1 C (57.4 F)	33 of 100 (Routine)
Del Norte 3ENE	United States	Record low maximum temperature	-12.2 C (10.0 F)	33 of 100 (Routine)
Kissimmee 2	United States	Record daily precipitation	43.2 mm (1.7 in)	33 of 100 (Routine)
Molokai Kaunakakai Molokai AP	United States	Record high maximum temperature	29.4 C (84.9 F)	33 of 100 (Routine)
Kalgoorlie-Boulder Airport	Australia	Record high maximum temperature	44.0 C (111.2 F)	32 of 100 (Routine)
Salmon Gums Res.STN.	Australia	Record high maximum temperature	43.8 C (110.8 F)	32 of 100 (Routine)
Adelaide West Terrace	Australia	Record high maximum temperature	43.7 C (110.7 F)	32 of 100 (Routine)
Parafield Airport	Australia	Record high minimum temperature	28.9 C (84.0 F)	32 of 100 (Routine)
Graz	Austria	Record high maximum temperature	16.6 C (61.9 F)	32 of 100 (Routine)
Poretta	France	Record high minimum temperature	14.9 C (58.8 F)	32 of 100 (Routine)
Shizuoka	Japan	Record high maximum temperature	23.1 C (73.6 F)	32 of 100 (Routine)
Bushnell 1 E	United States	Record daily precipitation	45.2 mm (1.8 in)	32 of 100 (Routine)
Lihue WSO AP 1020.1	United States	Record high minimum temperature	25.0 C (77.0 F)	32 of 100 (Routine)
Kocevje	Slovenia	Record high minimum temperature	9.6 C (49.3 F)	31 of 100 (Routine)
A Coruna	Spain	Record daily precipitation	50.0 mm (2.0 in)	31 of 100 (Routine)
Myronivka	Ukraine	Record high maximum temperature	10.4 C (50.7 F)	31 of 100 (Routine)
Bidyadanga	Australia	Record high maximum temperature	45.0 C (113.0 F)	30 of 100 (Routine)
Kunda	Estonia	Record high maximum temperature	9.1 C (48.4 F)	30 of 100 (Routine)
Katsuura	Japan	Record high maximum temperature	20.3 C (68.5 F)	30 of 100 (Routine)
Oita	Japan	Record high maximum temperature	19.4 C (66.9 F)	30 of 100 (Routine)

Counts by Type and Timescale

679 records

Records set or tied on 18 December 2019 by type: Highest daily maximum 305, Lowest daily maximum 24, Highest daily minimum 171, Lowest daily minimum 48, Heaviest daily rainfall 93, Heaviest daily snowfall 8, Deepest snow cover 30.

Records on 18 December 2019 by type
Record type	Records
Highest daily maximum	305
Lowest daily maximum	24
Highest daily minimum	171
Lowest daily minimum	48
Heaviest daily rainfall	93
Heaviest daily snowfall	8
Deepest snow cover	30

Records on 18 December 2019 by timescale: all-time 1, monthly 37, daily 641.

How Much Records Were Beaten By

607 broken records

Margins by which the 607 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 229.0. Ties are not counted.

Top 20 by Significance

18 December 2019

Top 20 records on 18 December 2019 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 December 2019	Wamsutter, US	daily snow depth	27.9 cm (11.0 in)	15.2 cm (6.0 in)	54 years	56 of 100 (Notable)
18 December 2019	Oripaa Teinikivi, FI	daily rain	25.7 mm (1.0 in)	16.2 mm (0.6 in)	20 years	51 of 100 (Notable)
18 December 2019	Graz, AT	monthly high min	8.5 C (47.3 F)	0.3 C (0.5 F)	104 years	50 of 100 (Notable)
18 December 2019	Aerop.Internacional, MX	daily rain	46.0 mm (1.8 in)	40.4 mm (1.6 in)	13 years	48 of 100 (Notable)
18 December 2019	A Coruna/Alvedro, ES	daily rain	55.6 mm (2.2 in)	27.0 mm (1.1 in)	45 years	46 of 100 (Notable)
18 December 2019	Vilnius, LT	daily high max	9.8 C (49.6 F)	2.6 C (4.7 F)	114 years	45 of 100 (Notable)
18 December 2019	Collegeville St John's, US	daily snow depth	45.7 cm (18.0 in)	5.1 cm (2.0 in)	109 years	44 of 100 (Notable)
18 December 2019	Pulaski, US	daily snowfall	27.9 cm (11.0 in)	12.7 cm (5.0 in)	64 years	44 of 100 (Notable)
18 December 2019	Hvar, HR	daily high min	16.4 C (61.5 F)	1.4 C (2.5 F)	132 years	43 of 100 (Notable)
18 December 2019	Americus, US	daily rain	44.7 mm (1.8 in)	5.3 mm (0.21 in)	104 years	43 of 100 (Notable)
18 December 2019	Osage City, US	daily snow depth	10.2 cm (4.0 in)	2.6 cm (1.0 in)	84 years	43 of 100 (Notable)
18 December 2019	Eagle Rvr, US	daily snow depth	55.9 cm (22.0 in)	22.9 cm (9.0 in)	46 years	43 of 100 (Notable)
18 December 2019	Phelps, US	daily snow depth	66.0 cm (26.0 in)	7.6 cm (3.0 in)	92 years	43 of 100 (Notable)
18 December 2019	Matsue, JP	daily rain	39.9 mm (1.6 in)	18.9 mm (0.7 in)	44 years	42 of 100 (Notable)
18 December 2019	Velikie Luki, RU	daily high max	8.1 C (46.6 F)	1.6 C (2.9 F)	132 years	42 of 100 (Notable)
18 December 2019	Halmstad, SE	daily high max	9.8 C (49.6 F)	0.8 C (1.4 F)	121 years	42 of 100 (Notable)
18 December 2019	Boulia Airport, AU	daily high max	46.5 C (115.7 F)	0.4 C (0.7 F)	117 years	41 of 100 (Notable)
18 December 2019	Innsbruck, AT	daily high max	16.2 C (61.2 F)	0.5 C (0.9 F)	116 years	41 of 100 (Notable)
18 December 2019	Tartu-Toravere, EE	daily high max	8.9 C (48.0 F)	1.6 C (2.9 F)	86 years	39 of 100 (Notable)
18 December 2019	Szombathely, HU	daily high min	8.7 C (47.7 F)	2.1 C (3.8 F)	84 years	39 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 2019

Records set or tied on this calendar date in each year from 1793 to 2019. 2019 had 679 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 2019-12-18: 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	594
50 to 100	6
100 to 150	2
150 to 200	4
200 to 250	1