Weather Records on 18 December 2020

326 weather records were set or tied worldwide on 18 December 2020. Highest significance: Towanda 1 S, US.

Key Facts for 18 December 2020

On 18 December 2020, 326 weather records were set or tied at long-record stations worldwide.
91 were record highs and 25 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 13 monthly and 312 daily.
Towanda 1 S set a daily record snow depth of 68.6 cm (27.0 in) on 18 December 2020.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 481 records.

Record Map

326 stations

326 station records on 18 December 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 December 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Towanda 1 S	United States	Record snow depth	68.6 cm (27.0 in)	80 of 100 (Exceptional)
Pleasant Mt 1 W	United States	Record daily snowfall	34.3 cm (13.5 in)	72 of 100 (Major)
Tambar Springs Post Office	Australia	Record daily precipitation	55.0 mm (2.2 in)	63 of 100 (Major)
Binghamton	United States	Record snow depth	79.0 cm (31.1 in)	62 of 100 (Major)
Elanora Water Treatment Plant	Australia	Record daily precipitation	271.0 mm (10.7 in)	60 of 100 (Major)
Corning	United States	Record snow depth	33.0 cm (13.0 in)	58 of 100 (Notable)
Greene	United States	Record snow depth	66.0 cm (26.0 in)	57 of 100 (Notable)
Ebor (Wongwibinda)	Australia	Record daily precipitation	62.0 mm (2.4 in)	54 of 100 (Notable)
Renovo	United States	Record snow depth	63.5 cm (25.0 in)	54 of 100 (Notable)
Elmira	United States	Record snow depth	40.6 cm (16.0 in)	53 of 100 (Notable)
Orienta 1SSW	United States	Record snow depth	10.2 cm (4.0 in)	53 of 100 (Notable)
Ford City 4 S Dam	United States	Record daily snowfall	25.4 cm (10.0 in)	53 of 100 (Notable)
Coolangatta	Australia	Record daily precipitation	136.8 mm (5.4 in)	52 of 100 (Notable)
Coatzacoalcos Ver.	Mexico	Record daily precipitation	89.9 mm (3.5 in)	52 of 100 (Notable)
Newport	United States	Record daily snowfall	44.5 cm (17.5 in)	52 of 100 (Notable)
State College	United States	Record snow depth	30.5 cm (12.0 in)	51 of 100 (Notable)
Miami Bardon Ave	Australia	Record daily precipitation	117.6 mm (4.6 in)	50 of 100 (Notable)
Shuttle Meadow Rsvr	United States	Record snow depth	22.9 cm (9.0 in)	50 of 100 (Notable)
Williamsport Rgnl AP	United States	Record snow depth	48.0 cm (18.9 in)	50 of 100 (Notable)
Meade	United States	Record snow depth	22.9 cm (9.0 in)	47 of 100 (Notable)
Galeton	United States	Record snow depth	40.6 cm (16.0 in)	47 of 100 (Notable)
Stevenson Dam	United States	Record snow depth	66.0 cm (26.0 in)	47 of 100 (Notable)
Carabost	Australia	Record daily precipitation	29.4 mm (1.2 in)	46 of 100 (Notable)
Newport	United States	Record snow depth	63.5 cm (25.0 in)	46 of 100 (Notable)
Saratoga Springs 4 SW	United States	Record snow depth	66.0 cm (26.0 in)	46 of 100 (Notable)
Canton	United States	Record snow depth	61.0 cm (24.0 in)	46 of 100 (Notable)
Kioloa Old Post Office	Australia	Record daily precipitation	200.0 mm (7.9 in)	44 of 100 (Notable)
Norwich	United States	Record snow depth	58.4 cm (23.0 in)	42 of 100 (Notable)
Wellsboro 4 SW	United States	Record snow depth	53.3 cm (21.0 in)	42 of 100 (Notable)
Centre Island	Australia	Record daily precipitation	137.4 mm (5.4 in)	41 of 100 (Notable)
Boulia Airport	Australia	Record high minimum temperature	32.1 C (89.8 F)	41 of 100 (Notable)
Tarpon Spgs Sewage Plt	United States	Record low minimum temperature	-3.3 C (26.1 F)	40 of 100 (Notable)
Whitehall	United States	Record daily snowfall	30.5 cm (12.0 in)	40 of 100 (Notable)
Susquehanna	United States	Record snow depth	43.2 cm (17.0 in)	40 of 100 (Notable)
Newark Liberty Intl AP	United States	Record snow depth	18.0 cm (7.1 in)	40 of 100 (Notable)
Lewistown	United States	Record snow depth	20.3 cm (8.0 in)	39 of 100 (Notable)
Coramba (Glenfiddich)	Australia	Record daily precipitation	38.4 mm (1.5 in)	38 of 100 (Notable)
Landsort	Sweden	Record high minimum temperature	6.5 C (43.7 F)	38 of 100 (Notable)
Cooperstown	United States	Record snow depth	48.3 cm (19.0 in)	38 of 100 (Notable)
S Mtn	United States	Record snow depth	25.4 cm (10.0 in)	38 of 100 (Notable)
Pittsburgh ASOS	United States	Record snow depth	20.0 cm (7.9 in)	38 of 100 (Notable)
Marseilles-Marignane	France	Record high minimum temperature	12.2 C (54.0 F)	37 of 100 (Notable)
Concord ASOS	United States	Record snow depth	53.0 cm (20.9 in)	37 of 100 (Notable)
Bougouni	Mali	Record high minimum temperature	22.9 C (73.2 F)	36 of 100 (Notable)
Middleton	United States	Record low maximum temperature	-7.2 C (19.0 F)	36 of 100 (Notable)
Surry Mtn Lake	United States	Record daily snowfall	33.0 cm (13.0 in)	36 of 100 (Notable)
Nymboida (Armidale Road)	Australia	Record daily precipitation	52.0 mm (2.0 in)	35 of 100 (Notable)
Lower Bucca	Australia	Record daily precipitation	69.0 mm (2.7 in)	35 of 100 (Notable)
Bulga (South Wambo)	Australia	Record daily precipitation	32.8 mm (1.3 in)	35 of 100 (Notable)
Mt Carmel	United States	Record snow depth	22.9 cm (9.0 in)	35 of 100 (Notable)
Ford City 4 S Dam	United States	Record snow depth	25.4 cm (10.0 in)	35 of 100 (Notable)
Allentown Lehigh Vly Intl AP	United States	Record snow depth	28.0 cm (11.0 in)	35 of 100 (Notable)
Jfk Intl AP	United States	Record snow depth	18.0 cm (7.1 in)	35 of 100 (Notable)
Sanford 2 NNW	United States	Record daily snowfall	40.6 cm (16.0 in)	34 of 100 (Routine)
Indiana 3 SE	United States	Record snow depth	30.5 cm (12.0 in)	34 of 100 (Routine)
Boulder Rearing STN	United States	Record daily snowfall	10.7 cm (4.2 in)	34 of 100 (Routine)
Belvidere Brg	United States	Record snow depth	22.9 cm (9.0 in)	33 of 100 (Routine)
Laguardia AP	United States	Record snow depth	15.0 cm (5.9 in)	33 of 100 (Routine)
Mullaley(Keigho)	Australia	Record daily precipitation	31.0 mm (1.2 in)	32 of 100 (Routine)
Rocky Ford 2 SE	United States	Record snow depth	15.2 cm (6.0 in)	32 of 100 (Routine)

Counts by Type and Timescale

326 records

Records set or tied on 18 December 2020 by type: Highest daily maximum 25, Lowest daily maximum 18, Highest daily minimum 66, Lowest daily minimum 7, Heaviest daily rainfall 96, Heaviest daily snowfall 23, Deepest snow cover 91.

Records on 18 December 2020 by type
Record type	Records
Highest daily maximum	25
Lowest daily maximum	18
Highest daily minimum	66
Lowest daily minimum	7
Heaviest daily rainfall	96
Heaviest daily snowfall	23
Deepest snow cover	91

Records on 18 December 2020 by timescale: all-time 1, monthly 13, daily 312.

How Much Records Were Beaten By

273 broken records

Margins by which the 273 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 483.0. Ties are not counted.

Top 20 by Significance

18 December 2020

Top 20 records on 18 December 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 December 2020	Towanda 1 S, US	daily snow depth	68.6 cm (27.0 in)	33.0 cm (13.0 in)	103 years	80 of 100 (Exceptional)
18 December 2020	Pleasant Mt 1 W, US	daily snowfall	34.3 cm (13.5 in)	24.1 cm (9.5 in)	78 years	72 of 100 (Major)
18 December 2020	Tambar Springs Post Office, AU	daily rain	55.0 mm (2.2 in)	32.9 mm (1.3 in)	118 years	63 of 100 (Major)
18 December 2020	Binghamton, US	daily snow depth	79.0 cm (31.1 in)	38.4 cm (15.1 in)	50 years	62 of 100 (Major)
18 December 2020	Elanora Water Treatment Plant, AU	monthly rain	271.0 mm (10.7 in)	72.7 mm (2.9 in)	16 years	60 of 100 (Major)
18 December 2020	Corning, US	daily snow depth	33.0 cm (13.0 in)	15.2 cm (6.0 in)	70 years	58 of 100 (Notable)
18 December 2020	Greene, US	daily snow depth	66.0 cm (26.0 in)	33.0 cm (13.0 in)	50 years	57 of 100 (Notable)
18 December 2020	Ebor (Wongwibinda), AU	daily rain	62.0 mm (2.4 in)	33.6 mm (1.3 in)	57 years	54 of 100 (Notable)
18 December 2020	Renovo, US	daily snow depth	63.5 cm (25.0 in)	48.3 cm (19.0 in)	15 years	54 of 100 (Notable)
18 December 2020	Elmira, US	daily snow depth	40.6 cm (16.0 in)	10.1 cm (4.0 in)	106 years	53 of 100 (Notable)
18 December 2020	Orienta 1SSW, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	64 years	53 of 100 (Notable)
18 December 2020	Ford City 4 S Dam, US	daily snowfall	25.4 cm (10.0 in)	15.2 cm (6.0 in)	39 years	53 of 100 (Notable)
18 December 2020	Coolangatta, AU	daily rain	136.8 mm (5.4 in)	72.6 mm (2.9 in)	32 years	52 of 100 (Notable)
18 December 2020	Coatzacoalcos Ver., MX	daily rain	89.9 mm (3.5 in)	68.8 mm (2.7 in)	29 years	52 of 100 (Notable)
18 December 2020	Newport, US	daily snowfall	44.5 cm (17.5 in)	21.6 cm (8.5 in)	34 years	52 of 100 (Notable)
18 December 2020	State College, US	daily snow depth	30.5 cm (12.0 in)	12.7 cm (5.0 in)	78 years	51 of 100 (Notable)
18 December 2020	Miami Bardon Ave, AU	daily rain	117.6 mm (4.6 in)	93.2 mm (3.7 in)	21 years	50 of 100 (Notable)
18 December 2020	Shuttle Meadow Rsvr, US	daily snow depth	22.9 cm (9.0 in)	22.9 cm (9.0 in)	71 years	50 of 100 (Notable)
18 December 2020	Williamsport Rgnl AP, US	daily snow depth	48.0 cm (18.9 in)	15.0 cm (5.9 in)	69 years	50 of 100 (Notable)
18 December 2020	Meade, US	daily snow depth	22.9 cm (9.0 in)	12.7 cm (5.0 in)	55 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

1793 to 2020

Records set or tied on this calendar date in each year from 1793 to 2020. 2020 had 326 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 2020-12-18: 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 100	236
100 to 200	24
200 to 300	6
300 to 400	4
400 to 500	3