Weather Records on 20 December 2018

592 weather records were set or tied worldwide on 20 December 2018. Highest significance: Orlando Executive AP, US.

Key Facts for 20 December 2018

On 20 December 2018, 592 weather records were set or tied at long-record stations worldwide.
366 were record highs and 16 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 21 monthly and 569 daily.
Orlando Executive AP set a daily record precipitation of 92.7 mm (3.6 in) on 20 December 2018.
Across 163 earlier years (1793 to 2025) the same calendar date averaged 466 records.

Record Map

592 stations

592 station records on 20 December 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 December 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Orlando Executive AP	United States	Record daily precipitation	92.7 mm (3.6 in)	80 of 100 (Exceptional)
Qamdo	China	Record daily precipitation	80.0 mm (3.1 in)	73 of 100 (Major)
Lhasa	China	Record daily precipitation	50.0 mm (2.0 in)	64 of 100 (Major)
Inverness 3 SE	United States	Record daily precipitation	84.6 mm (3.3 in)	60 of 100 (Major)
Dulan	China	Record daily precipitation	80.0 mm (3.1 in)	59 of 100 (Notable)
Randleman	United States	Record daily precipitation	45.2 mm (1.8 in)	56 of 100 (Notable)
Tampa Intl AP	United States	Record daily precipitation	89.4 mm (3.5 in)	56 of 100 (Notable)
Saint Leo	United States	Record daily precipitation	89.4 mm (3.5 in)	55 of 100 (Notable)
Montezuma 2 NW	United States	Record daily precipitation	76.2 mm (3.0 in)	55 of 100 (Notable)
Mtn Lake	United States	Record daily precipitation	132.3 mm (5.2 in)	54 of 100 (Notable)
Salisbury	United States	Record daily precipitation	65.0 mm (2.6 in)	53 of 100 (Notable)
Walcha (Emu Creek)	Australia	Record daily precipitation	43.4 mm (1.7 in)	50 of 100 (Notable)
Erzurum	Turkey	Record daily precipitation	30.0 mm (1.2 in)	50 of 100 (Notable)
Pekoa Airport (Sant	Vanuatu	Record daily precipitation	102.1 mm (4.0 in)	49 of 100 (Notable)
Lenora Coop	United States	Record daily precipitation	50.8 mm (2.0 in)	49 of 100 (Notable)
Ebor (Glenowen)	Australia	Record daily precipitation	72.2 mm (2.8 in)	47 of 100 (Notable)
Richmond - Uws Hawkesbury	Australia	Record daily precipitation	35.0 mm (1.4 in)	47 of 100 (Notable)
Tyringham (Glenferneigh (Ring	Australia	Record daily precipitation	61.4 mm (2.4 in)	46 of 100 (Notable)
Lithgow (Cooerwull)	Australia	Record daily precipitation	64.6 mm (2.5 in)	46 of 100 (Notable)
Scone Scs	Australia	Record daily precipitation	37.8 mm (1.5 in)	45 of 100 (Notable)
Eikeland	Norway	Record daily precipitation	56.8 mm (2.2 in)	45 of 100 (Notable)
Boylefoss	Norway	Record daily precipitation	80.0 mm (3.1 in)	45 of 100 (Notable)
Tampa Bay Area WFO	United States	Record daily precipitation	97.0 mm (3.8 in)	45 of 100 (Notable)
Richmond Post Office	Australia	Record high minimum temperature	31.2 C (88.2 F)	43 of 100 (Notable)
Willow Tree (Yarrabah)	Australia	Record daily precipitation	40.2 mm (1.6 in)	43 of 100 (Notable)
Boulia Airport	Australia	Record high maximum temperature	46.7 C (116.1 F)	42 of 100 (Notable)
Merriwa (Bowglen)	Australia	Record daily precipitation	49.0 mm (1.9 in)	42 of 100 (Notable)
Portland (Jamieson St)	Australia	Record daily precipitation	27.0 mm (1.1 in)	42 of 100 (Notable)
Maroota ( Roberts Road)	Australia	Record daily precipitation	30.0 mm (1.2 in)	42 of 100 (Notable)
Dovland	Norway	Record daily precipitation	66.5 mm (2.6 in)	42 of 100 (Notable)
Clearbrook	United States	Record high maximum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Parkersburg AP	United States	Record daily precipitation	35.6 mm (1.4 in)	42 of 100 (Notable)
Willow Tree (Cooinda)	Australia	Record daily precipitation	36.2 mm (1.4 in)	41 of 100 (Notable)
Venice	United States	Record daily precipitation	121.9 mm (4.8 in)	41 of 100 (Notable)
Postville	United States	Record high maximum temperature	7.8 C (46.0 F)	41 of 100 (Notable)
Mc Cook	United States	Record high minimum temperature	0.6 C (33.1 F)	41 of 100 (Notable)
Faulkton	United States	Record high minimum temperature	-1.1 C (30.0 F)	41 of 100 (Notable)
Mauston 1 SE	United States	Record high minimum temperature	0.6 C (33.1 F)	41 of 100 (Notable)
Reedsburg Wwtp	United States	Record high minimum temperature	1.1 C (34.0 F)	41 of 100 (Notable)
Frankfort Disposal	United States	Record high minimum temperature	5.6 C (42.1 F)	40 of 100 (Notable)
Hampton	United States	Record high minimum temperature	1.1 C (34.0 F)	40 of 100 (Notable)
Genoa 2 W	United States	Record high minimum temperature	1.1 C (34.0 F)	40 of 100 (Notable)
Kearney 4 NE	United States	Record high minimum temperature	1.1 C (34.0 F)	40 of 100 (Notable)
Loup City	United States	Record high minimum temperature	3.3 C (37.9 F)	40 of 100 (Notable)
Park Falls Dnr HQ	United States	Record high minimum temperature	0.0 C (32.0 F)	40 of 100 (Notable)
Landvik	Norway	Record daily precipitation	45.1 mm (1.8 in)	39 of 100 (Notable)
Phoenixville 1 E	United States	Record high maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Palmer 3 ESE	United States	Record high maximum temperature	13.9 C (57.0 F)	39 of 100 (Notable)
Oued Irara	Algeria	Record low minimum temperature	-5.0 C (23.0 F)	38 of 100 (Notable)
Asheboro 2 W	United States	Record daily precipitation	47.8 mm (1.9 in)	38 of 100 (Notable)
Roanoke-Blacksburg Rgnl AP	United States	Record daily precipitation	37.8 mm (1.5 in)	38 of 100 (Notable)
Muskegon Co AP	United States	Record high minimum temperature	4.4 C (39.9 F)	38 of 100 (Notable)
Seligman	United States	Record high maximum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Plant City	United States	Record daily precipitation	105.9 mm (4.2 in)	37 of 100 (Notable)
High Pt	United States	Record daily precipitation	32.5 mm (1.3 in)	37 of 100 (Notable)
Woodstock 2 NE	United States	Record daily precipitation	30.5 mm (1.2 in)	37 of 100 (Notable)
Kljuchi	Russia	Record daily precipitation	28.8 mm (1.1 in)	36 of 100 (Notable)
Merriwa (Roscommon)	Australia	Record daily precipitation	50.6 mm (2.0 in)	35 of 100 (Notable)
Pennant Hills (Yarrara Road)	Australia	Record daily precipitation	26.8 mm (1.1 in)	35 of 100 (Notable)
Den Helder-1	Netherlands	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)

Counts by Type and Timescale

592 records

Records set or tied on 20 December 2018 by type: Highest daily maximum 138, Lowest daily maximum 9, Highest daily minimum 228, Lowest daily minimum 7, Heaviest daily rainfall 203, Heaviest daily snowfall 6, Deepest snow cover 1.

Records on 20 December 2018 by type
Record type	Records
Highest daily maximum	138
Lowest daily maximum	9
Highest daily minimum	228
Lowest daily minimum	7
Heaviest daily rainfall	203
Heaviest daily snowfall	6
Deepest snow cover	1

Records on 20 December 2018 by timescale: all-time 2, monthly 21, daily 569.

How Much Records Were Beaten By

474 broken records

Margins by which the 474 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.1. Ties are not counted.

Top 20 by Significance

20 December 2018

Top 20 records on 20 December 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 December 2018	Orlando Executive AP, US	daily rain	92.7 mm (3.6 in)	54.6 mm (2.1 in)	107 years	80 of 100 (Exceptional)
20 December 2018	Qamdo, CN	all-time rain	80.0 mm (3.1 in)	12.9 mm (0.5 in)	26 years	73 of 100 (Major)
20 December 2018	Lhasa, CN	monthly rain	50.0 mm (2.0 in)	37.3 mm (1.5 in)	37 years	64 of 100 (Major)
20 December 2018	Inverness 3 SE, US	daily rain	84.6 mm (3.3 in)	27.4 mm (1.1 in)	101 years	60 of 100 (Major)
20 December 2018	Dulan, CN	daily rain	80.0 mm (3.1 in)	76.9 mm (3.0 in)	45 years	59 of 100 (Notable)
20 December 2018	Randleman, US	daily rain	45.2 mm (1.8 in)	23.6 mm (0.9 in)	84 years	56 of 100 (Notable)
20 December 2018	Tampa Intl AP, US	daily rain	89.4 mm (3.5 in)	63.2 mm (2.5 in)	28 years	56 of 100 (Notable)
20 December 2018	Saint Leo, US	daily rain	89.4 mm (3.5 in)	53.6 mm (2.1 in)	28 years	55 of 100 (Notable)
20 December 2018	Montezuma 2 NW, US	daily rain	76.2 mm (3.0 in)	22.9 mm (0.9 in)	112 years	55 of 100 (Notable)
20 December 2018	Mtn Lake, US	monthly rain	132.3 mm (5.2 in)	35.8 mm (1.4 in)	31 years	54 of 100 (Notable)
20 December 2018	Salisbury, US	daily rain	65.0 mm (2.6 in)	35.8 mm (1.4 in)	44 years	53 of 100 (Notable)
20 December 2018	Walcha (Emu Creek), AU	daily rain	43.4 mm (1.7 in)	25.6 mm (1.0 in)	60 years	50 of 100 (Notable)
20 December 2018	Erzurum, TR	daily rain	30.0 mm (1.2 in)	22.9 mm (0.9 in)	17 years	50 of 100 (Notable)
20 December 2018	Pekoa Airport (Sant, VU	daily rain	102.1 mm (4.0 in)	84.1 mm (3.3 in)	29 years	49 of 100 (Notable)
20 December 2018	Lenora Coop, US	daily rain	50.8 mm (2.0 in)	28.4 mm (1.1 in)	12 years	49 of 100 (Notable)
20 December 2018	Ebor (Glenowen), AU	daily rain	72.2 mm (2.8 in)	44.2 mm (1.7 in)	5 years	47 of 100 (Notable)
20 December 2018	Richmond - Uws Hawkesbury, AU	daily rain	35.0 mm (1.4 in)	8.1 mm (0.32 in)	136 years	47 of 100 (Notable)
20 December 2018	Tyringham (Glenferneigh (Ring, AU	daily rain	61.4 mm (2.4 in)	53.8 mm (2.1 in)	8 years	46 of 100 (Notable)
20 December 2018	Lithgow (Cooerwull), AU	daily rain	64.6 mm (2.5 in)	6.9 mm (0.27 in)	120 years	46 of 100 (Notable)
20 December 2018	Scone Scs, AU	daily rain	37.8 mm (1.5 in)	22.8 mm (0.9 in)	63 years	45 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 2018

Records set or tied on this calendar date in each year from 1793 to 2018. 2018 had 592 records.

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

Records on 12-20 in each year
Year	Records
1793	1
1795	1
1804	1
1805	2
1808	1
1815	1
1828	1
1837	1
1846	1
1855	8
1858	1
1860	1
1866	1
1867	1
1868	1
1869	1
1871	2
1874	3
1875	1
1877	2
1878	1
1879	1
1880	1
1881	1
1882	1
1884	4
1885	1
1886	4
1889	4
1890	2
1891	2
1892	1
1894	2
1895	8
1896	1
1897	4
1898	2
1899	1
1900	7
1901	8
1902	14
1903	17
1904	9
1905	5
1906	5
1907	11
1908	5
1909	22
1910	17
1911	24
1912	27
1913	7
1914	43
1915	18
1916	45
1917	33
1918	18
1919	25
1920	22
1921	101
1922	88
1923	215
1924	332
1925	96
1926	163
1927	200
1928	93
1929	256
1930	67
1931	536
1932	170
1933	492
1934	265
1935	152
1936	416
1937	181
1938	240
1939	308
1940	965
1941	633
1942	817
1943	193
1944	340
1945	430
1946	327
1947	385
1948	345
1949	1,141
1950	758
1951	926
1952	394
1953	385
1954	416
1955	726
1956	471
1957	1,354
1958	382
1959	142
1960	354
1961	369
1962	475
1963	875
1964	499
1965	353
1966	555
1967	1,370
1968	482
1969	514
1970	518
1971	441
1972	448
1973	1,184
1974	328
1975	610
1976	382
1977	484
1978	910
1979	600
1980	667
1981	1,681
1982	712
1983	2,995
1984	1,411
1985	1,035
1986	321
1987	1,179
1988	760
1989	1,812
1990	1,885
1991	1,172
1992	1,134
1993	1,266
1994	813
1995	1,128
1996	1,448
1997	651
1998	1,110
1999	938
2000	1,150
2001	523
2002	943
2003	1,315
2004	836
2005	515
2006	1,387
2007	986
2008	1,356
2009	1,502
2010	2,055
2011	846
2012	1,131
2013	584
2014	524
2015	1,238
2016	603
2017	688
2018	592
2019	731
2020	554
2021	442
2022	567
2023	1,242
2024	897
2025	1,166

Download the Data

Data for records on 2018-12-20: 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 20	444
20 to 40	21
40 to 60	5
60 to 80	3
80 to 100	1