Weather Records on 21 December 2018

742 weather records were set or tied worldwide on 21 December 2018. Highest significance: Wauchula, US.

Key Facts for 21 December 2018

On 21 December 2018, 742 weather records were set or tied at long-record stations worldwide.
342 were record highs and 10 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 9 monthly and 732 daily.
Wauchula set a daily record precipitation of 95.3 mm (3.8 in) on 21 December 2018.
Across 158 earlier years (1793 to 2025) the same calendar date averaged 488 records.

Record Map

742 stations

742 station records on 21 December 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 December 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wauchula	United States	Record daily precipitation	95.3 mm (3.8 in)	67 of 100 (Major)
Marion	United States	Record daily precipitation	84.1 mm (3.3 in)	65 of 100 (Major)
Buena Vista	United States	Record daily precipitation	69.1 mm (2.7 in)	62 of 100 (Major)
Qamdo	China	Record daily precipitation	59.9 mm (2.4 in)	60 of 100 (Major)
Daytona Beach	United States	Record daily precipitation	64.8 mm (2.6 in)	58 of 100 (Notable)
Morganton	United States	Record daily precipitation	61.7 mm (2.4 in)	56 of 100 (Notable)
N Wilkesboro	United States	Record daily precipitation	61.0 mm (2.4 in)	56 of 100 (Notable)
Lhasa	China	Record daily precipitation	30.0 mm (1.2 in)	54 of 100 (Notable)
Transou	United States	Record daily precipitation	61.5 mm (2.4 in)	54 of 100 (Notable)
Rookwood (Hawthorne Ave)	Australia	Record daily precipitation	58.0 mm (2.3 in)	53 of 100 (Notable)
Kljuchi	Russia	Record daily precipitation	34.7 mm (1.4 in)	53 of 100 (Notable)
Nabawa	Australia	Record daily precipitation	32.0 mm (1.3 in)	52 of 100 (Notable)
Millinocket Muni AP	United States	Record daily precipitation	51.6 mm (2.0 in)	50 of 100 (Notable)
Schierke	Germany	Record daily precipitation	41.5 mm (1.6 in)	49 of 100 (Notable)
Cheraw	United States	Record daily precipitation	43.2 mm (1.7 in)	49 of 100 (Notable)
Landvik	Norway	Record daily precipitation	45.8 mm (1.8 in)	47 of 100 (Notable)
Clermont 9 S	United States	Record daily precipitation	73.7 mm (2.9 in)	47 of 100 (Notable)
Boone 1 SE	United States	Record daily precipitation	61.7 mm (2.4 in)	47 of 100 (Notable)
Statesville 2 NNE	United States	Record daily precipitation	50.0 mm (2.0 in)	47 of 100 (Notable)
Parkersburg	United States	Record daily precipitation	35.1 mm (1.4 in)	47 of 100 (Notable)
Garze	China	Record daily precipitation	50.0 mm (2.0 in)	46 of 100 (Notable)
Beverly Stp	United States	Record daily precipitation	32.8 mm (1.3 in)	45 of 100 (Notable)
Newberry	United States	Record daily precipitation	43.7 mm (1.7 in)	45 of 100 (Notable)
Bedford	United States	Record daily precipitation	45.5 mm (1.8 in)	45 of 100 (Notable)
Lexington	United States	Record daily precipitation	53.8 mm (2.1 in)	45 of 100 (Notable)
Asheville	United States	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Kjevik	Norway	Record daily precipitation	37.5 mm (1.5 in)	44 of 100 (Notable)
W Kerr Scott Resv	United States	Record daily precipitation	60.7 mm (2.4 in)	44 of 100 (Notable)
Nelsonville	United States	Record daily precipitation	35.6 mm (1.4 in)	44 of 100 (Notable)
Skagway	United States	Record daily snowfall	12.7 cm (5.0 in)	44 of 100 (Notable)
Hartford Brainard Fld	United States	Record daily precipitation	58.9 mm (2.3 in)	44 of 100 (Notable)
Pittsfield Muni AP	United States	Record daily precipitation	38.4 mm (1.5 in)	44 of 100 (Notable)
Rose Bay (Royal Sydney Golf Cl	Australia	Record daily precipitation	26.0 mm (1.0 in)	43 of 100 (Notable)
Torungen Fyr	Norway	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Sparta 3.5 SSW	United States	Record daily precipitation	86.1 mm (3.4 in)	43 of 100 (Notable)
Pulaski 2 E	United States	Record daily precipitation	35.6 mm (1.4 in)	43 of 100 (Notable)
W Pt	United States	Record daily precipitation	66.3 mm (2.6 in)	42 of 100 (Notable)
Anderson	United States	Record daily precipitation	43.2 mm (1.7 in)	42 of 100 (Notable)
Glasgow #2	United States	Record high minimum temperature	-1.1 C (30.0 F)	41 of 100 (Notable)
Brevard	United States	Record daily precipitation	55.9 mm (2.2 in)	41 of 100 (Notable)
Jefferson 2 E	United States	Record daily precipitation	59.7 mm (2.4 in)	41 of 100 (Notable)
Lenoir	United States	Record daily precipitation	48.3 mm (1.9 in)	41 of 100 (Notable)
Athens Ou	United States	Record daily precipitation	32.8 mm (1.3 in)	41 of 100 (Notable)
Newport 1 NW	United States	Record daily precipitation	46.7 mm (1.8 in)	41 of 100 (Notable)
Warsaw 2 NW	United States	Record high minimum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Caribou WFO	United States	Record daily precipitation	38.4 mm (1.5 in)	41 of 100 (Notable)
Bad Lippspringe	Germany	Record daily precipitation	25.3 mm (1.0 in)	40 of 100 (Notable)
Sanford	United States	Record daily precipitation	95.8 mm (3.8 in)	40 of 100 (Notable)
Washington 2 ESE	United States	Record daily precipitation	40.4 mm (1.6 in)	40 of 100 (Notable)
Hightstown 2 W	United States	Record high maximum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Ibapah	United States	Record high maximum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Hagerstown 1E	United States	Record high maximum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Central Michigan UNIV	United States	Record high minimum temperature	2.8 C (37.0 F)	39 of 100 (Notable)
Mohonk Lake	United States	Record high maximum temperature	13.9 C (57.0 F)	39 of 100 (Notable)
E Stroudsburg	United States	Record high minimum temperature	8.3 C (46.9 F)	39 of 100 (Notable)
Middlebourne 3 ESE	United States	Record daily precipitation	27.7 mm (1.1 in)	39 of 100 (Notable)
Siler City 2 N	United States	Record daily precipitation	42.4 mm (1.7 in)	38 of 100 (Notable)
Franklin	United States	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Kingston	United States	Record high maximum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Atlantic City Marina	United States	Record high minimum temperature	11.1 C (52.0 F)	38 of 100 (Notable)

Counts by Type and Timescale

742 records

Records set or tied on 21 December 2018 by type: Highest daily maximum 182, Lowest daily maximum 6, Highest daily minimum 160, Lowest daily minimum 4, Heaviest daily rainfall 385, Heaviest daily snowfall 3, Deepest snow cover 2.

Records on 21 December 2018 by type
Record type	Records
Highest daily maximum	182
Lowest daily maximum	6
Highest daily minimum	160
Lowest daily minimum	4
Heaviest daily rainfall	385
Heaviest daily snowfall	3
Deepest snow cover	2

Records on 21 December 2018 by timescale: all-time 1, monthly 9, daily 732.

How Much Records Were Beaten By

660 broken records

Margins by which the 660 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 242.0. Ties are not counted.

Top 20 by Significance

21 December 2018

Top 20 records on 21 December 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 December 2018	Wauchula, US	daily rain	95.3 mm (3.8 in)	77.3 mm (3.0 in)	64 years	67 of 100 (Major)
21 December 2018	Marion, US	daily rain	84.1 mm (3.3 in)	40.2 mm (1.6 in)	100 years	65 of 100 (Major)
21 December 2018	Buena Vista, US	daily rain	69.1 mm (2.7 in)	40.7 mm (1.6 in)	67 years	62 of 100 (Major)
21 December 2018	Qamdo, CN	daily rain	59.9 mm (2.4 in)	57.9 mm (2.3 in)	48 years	60 of 100 (Major)
21 December 2018	Daytona Beach, US	daily rain	64.8 mm (2.6 in)	40.7 mm (1.6 in)	77 years	58 of 100 (Notable)
21 December 2018	Morganton, US	daily rain	61.7 mm (2.4 in)	23.1 mm (0.9 in)	112 years	56 of 100 (Notable)
21 December 2018	N Wilkesboro, US	daily rain	61.0 mm (2.4 in)	33.8 mm (1.3 in)	67 years	56 of 100 (Notable)
21 December 2018	Lhasa, CN	daily rain	30.0 mm (1.2 in)	30.0 mm (1.2 in)	63 years	54 of 100 (Notable)
21 December 2018	Transou, US	daily rain	61.5 mm (2.4 in)	38.1 mm (1.5 in)	67 years	54 of 100 (Notable)
21 December 2018	Rookwood (Hawthorne Ave), AU	daily rain	58.0 mm (2.3 in)	47.8 mm (1.9 in)	20 years	53 of 100 (Notable)
21 December 2018	Kljuchi, RU	daily rain	34.7 mm (1.4 in)	12.7 mm (0.5 in)	57 years	53 of 100 (Notable)
21 December 2018	Nabawa, AU	daily rain	32.0 mm (1.3 in)	27.0 mm (1.1 in)	8 years	52 of 100 (Notable)
21 December 2018	Millinocket Muni AP, US	daily rain	51.6 mm (2.0 in)	21.1 mm (0.8 in)	72 years	50 of 100 (Notable)
21 December 2018	Schierke, DE	daily rain	41.5 mm (1.6 in)	17.8 mm (0.7 in)	64 years	49 of 100 (Notable)
21 December 2018	Cheraw, US	daily rain	43.2 mm (1.7 in)	10.2 mm (0.4 in)	117 years	49 of 100 (Notable)
21 December 2018	Landvik, NO	daily rain	45.8 mm (1.8 in)	26.6 mm (1.0 in)	35 years	47 of 100 (Notable)
21 December 2018	Clermont 9 S, US	daily rain	73.7 mm (2.9 in)	50.8 mm (2.0 in)	24 years	47 of 100 (Notable)
21 December 2018	Boone 1 SE, US	daily rain	61.7 mm (2.4 in)	43.4 mm (1.7 in)	24 years	47 of 100 (Notable)
21 December 2018	Statesville 2 NNE, US	daily rain	50.0 mm (2.0 in)	29.9 mm (1.2 in)	45 years	47 of 100 (Notable)
21 December 2018	Parkersburg, US	daily rain	35.1 mm (1.4 in)	17.1 mm (0.7 in)	56 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 2018

Records set or tied on this calendar date in each year from 1793 to 2018. 2018 had 742 records.

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

Records on 12-21 in each year
Year	Records
1793	1
1794	1
1799	1
1801	2
1808	3
1825	1
1828	1
1839	1
1846	1
1850	1
1855	7
1859	1
1860	1
1868	1
1870	1
1871	2
1874	2
1875	3
1876	1
1877	1
1878	1
1879	1
1880	1
1884	1
1886	3
1889	1
1890	4
1893	4
1894	1
1895	5
1896	3
1897	3
1898	1
1900	8
1901	15
1902	5
1903	25
1904	3
1905	15
1906	15
1907	17
1908	19
1909	20
1910	29
1911	36
1912	23
1913	11
1914	107
1915	43
1916	40
1917	18
1918	41
1919	57
1920	30
1921	104
1922	34
1923	323
1924	377
1925	120
1926	178
1927	147
1928	70
1929	156
1930	66
1931	556
1932	150
1933	581
1934	230
1935	398
1936	323
1937	189
1938	145
1939	140
1940	622
1941	651
1942	968
1943	148
1944	762
1945	396
1946	495
1947	700
1948	297
1949	1,281
1950	504
1951	1,061
1952	197
1953	256
1954	444
1955	888
1956	672
1957	846
1958	516
1959	272
1960	585
1961	254
1962	563
1963	1,137
1964	613
1965	247
1966	400
1967	1,923
1968	818
1969	828
1970	547
1971	680
1972	651
1973	1,292
1974	374
1975	548
1976	446
1977	470
1978	517
1979	558
1980	726
1981	1,476
1982	702
1983	3,324
1984	1,012
1985	979
1986	404
1987	775
1988	717
1989	3,203
1990	2,701
1991	1,125
1992	751
1993	967
1994	793
1995	878
1996	1,114
1997	810
1998	1,142
1999	851
2000	944
2001	650
2002	579
2003	1,103
2004	675
2005	606
2006	1,443
2007	946
2008	1,062
2009	1,097
2010	2,039
2011	653
2012	759
2013	1,029
2014	878
2015	1,173
2016	543
2017	459
2018	742
2019	755
2020	965
2021	323
2022	528
2023	1,170
2024	778
2025	1,100

Download the Data

Data for records on 2018-12-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).

Margin	Records
0 to 50	654
50 to 100	5
100 to 150	0
150 to 200	0
200 to 250	1