Weather Records on 6 December 2018

469 weather records were set or tied worldwide on 6 December 2018. Highest significance: Mudanjiang, CN.

Key Facts for 6 December 2018

On 6 December 2018, 469 weather records were set or tied at long-record stations worldwide.
198 were record highs and 113 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 15 monthly and 453 daily.
Mudanjiang set a daily record precipitation of 30.0 mm (1.2 in) on 6 December 2018.
Across 164 earlier years (1804 to 2025) the same calendar date averaged 484 records.

Record Map

469 stations

469 station records on 6 December 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 December 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mudanjiang	China	Record daily precipitation	30.0 mm (1.2 in)	60 of 100 (Major)
Palmdale AP	United States	Record daily precipitation	36.3 mm (1.4 in)	58 of 100 (Notable)
San Diego Intl AP	United States	Record daily precipitation	45.7 mm (1.8 in)	49 of 100 (Notable)
Bergland Dam	United States	Record daily snowfall	34.8 cm (13.7 in)	46 of 100 (Notable)
Cardwell Marine Pde	Australia	Record daily precipitation	159.0 mm (6.3 in)	45 of 100 (Notable)
Aramac Post Office	Australia	Record daily precipitation	34.0 mm (1.3 in)	44 of 100 (Notable)
Chula Vista	United States	Record daily precipitation	47.2 mm (1.9 in)	43 of 100 (Notable)
Riggins	United States	Record low minimum temperature	-12.2 C (10.0 F)	43 of 100 (Notable)
Nephi	United States	Record snow depth	22.9 cm (9.0 in)	43 of 100 (Notable)
Oberstdorf	Germany	Record high minimum temperature	4.9 C (40.8 F)	39 of 100 (Notable)
Ulleungdo	Korea, South	Record daily precipitation	66.0 mm (2.6 in)	39 of 100 (Notable)
Sokode	Togo	Record high minimum temperature	24.0 C (75.2 F)	39 of 100 (Notable)
Babuskin	Russia	Record low maximum temperature	-18.5 C (-1.3 F)	37 of 100 (Notable)
El Cajon	United States	Record daily precipitation	41.4 mm (1.6 in)	36 of 100 (Notable)
Yumenzhen	China	Record low maximum temperature	-15.3 C (4.5 F)	35 of 100 (Notable)
Le Bourget	France	Record high minimum temperature	10.6 C (51.1 F)	35 of 100 (Notable)
Lisboa Geofisica	Portugal	Record high maximum temperature	20.4 C (68.7 F)	35 of 100 (Notable)
Farson 2NNE	United States	Record daily snowfall	7.6 cm (3.0 in)	35 of 100 (Notable)
Ust-Barguzin	Russia	Record daily precipitation	26.6 mm (1.0 in)	33 of 100 (Routine)
Indio Fire STN	United States	Record low maximum temperature	13.3 C (55.9 F)	33 of 100 (Routine)
Canjilon R/S	United States	Record daily snowfall	15.2 cm (6.0 in)	33 of 100 (Routine)
Lansdown Csiro	Australia	Record daily precipitation	51.0 mm (2.0 in)	31 of 100 (Routine)
Cotonou	Benin	Record high maximum temperature	33.9 C (93.0 F)	31 of 100 (Routine)
Kyra	Russia	Record low maximum temperature	-22.3 C (-8.1 F)	31 of 100 (Routine)
Chernjaevo	Russia	Record low minimum temperature	-43.4 C (-46.1 F)	31 of 100 (Routine)
Ust-Koksa	Russia	Record low maximum temperature	-27.0 C (-16.6 F)	31 of 100 (Routine)
Ust-Koksa	Russia	Record low minimum temperature	-38.1 C (-36.6 F)	31 of 100 (Routine)
Maracay - B.A. Sucr	Venezuela	Record low minimum temperature	10.8 C (51.4 F)	31 of 100 (Routine)
Ceduna AMO	Australia	Record high maximum temperature	43.3 C (109.9 F)	30 of 100 (Routine)
Oujda	Morocco	Record high maximum temperature	25.3 C (77.5 F)	30 of 100 (Routine)
Hamilton 2W	United States	Record daily snowfall	5.1 cm (2.0 in)	30 of 100 (Routine)
Mays Landing 1 W	United States	Record daily snowfall	5.1 cm (2.0 in)	30 of 100 (Routine)
Sybille Rsch Unit	United States	Record daily snowfall	27.2 cm (10.7 in)	30 of 100 (Routine)
Los Angeles Downtown/Usc	United States	Record daily precipitation	48.5 mm (1.9 in)	30 of 100 (Routine)
Ouesso	Congo (Brazzaville)	Record high minimum temperature	23.0 C (73.4 F)	29 of 100 (Routine)
Xai Xai	Mozambique	Record high minimum temperature	25.9 C (78.6 F)	29 of 100 (Routine)
Kwajalein	Marshall Islands	Record high minimum temperature	27.8 C (82.0 F)	29 of 100 (Routine)
Sevilla/San Pablo	Spain	Record high maximum temperature	23.4 C (74.1 F)	29 of 100 (Routine)
Burbank Valley Pump Plt	United States	Record low maximum temperature	10.6 C (51.1 F)	29 of 100 (Routine)
Sutcliffe	United States	Record daily snowfall	5.1 cm (2.0 in)	29 of 100 (Routine)
Basel-Mulhouse	France	Record high minimum temperature	7.6 C (45.7 F)	28 of 100 (Routine)
Ikerasassuaq	Greenland [Denmark]	Record daily precipitation	80.9 mm (3.2 in)	28 of 100 (Routine)
Shizuoka	Japan	Record high minimum temperature	13.2 C (55.8 F)	28 of 100 (Routine)
Chuuk WSO AP	Federated States of Micronesia	Record high minimum temperature	27.8 C (82.0 F)	27 of 100 (Routine)
Mont-de-Marsan	France	Record high minimum temperature	10.7 C (51.3 F)	27 of 100 (Routine)
Nagano	Japan	Record high maximum temperature	14.1 C (57.4 F)	27 of 100 (Routine)
Kofu	Japan	Record high minimum temperature	9.6 C (49.3 F)	27 of 100 (Routine)
Kawaguchiko	Japan	Record high minimum temperature	6.4 C (43.5 F)	27 of 100 (Routine)
Kobe	Japan	Record high minimum temperature	11.8 C (53.2 F)	27 of 100 (Routine)
Nara	Japan	Record high minimum temperature	8.1 C (46.6 F)	27 of 100 (Routine)
Mandalgobi	Mongolia	Record low maximum temperature	-23.5 C (-10.3 F)	27 of 100 (Routine)
McCall	United States	Record low minimum temperature	-25.0 C (-13.0 F)	27 of 100 (Routine)
New Meadows Rs	United States	Record low minimum temperature	-30.6 C (-23.1 F)	27 of 100 (Routine)
Rennes-St Jacques	France	Record high minimum temperature	11.8 C (53.2 F)	26 of 100 (Routine)
Rheinfelden	Germany	Record high minimum temperature	7.5 C (45.5 F)	26 of 100 (Routine)
Nagoya	Japan	Record high minimum temperature	10.7 C (51.3 F)	26 of 100 (Routine)
Arvaiheer	Mongolia	Record low maximum temperature	-23.5 C (-10.3 F)	26 of 100 (Routine)
Tsetserleg	Mongolia	Record low maximum temperature	-21.8 C (-7.2 F)	26 of 100 (Routine)
Menara	Morocco	Record high maximum temperature	27.4 C (81.3 F)	26 of 100 (Routine)
Verhnjaja Gutara	Russia	Record low maximum temperature	-22.5 C (-8.5 F)	26 of 100 (Routine)

Counts by Type and Timescale

469 records

Records set or tied on 6 December 2018 by type: Highest daily maximum 70, Lowest daily maximum 71, Highest daily minimum 128, Lowest daily minimum 42, Heaviest daily rainfall 110, Heaviest daily snowfall 21, Deepest snow cover 27.

Records on 6 December 2018 by type
Record type	Records
Highest daily maximum	70
Lowest daily maximum	71
Highest daily minimum	128
Lowest daily minimum	42
Heaviest daily rainfall	110
Heaviest daily snowfall	21
Deepest snow cover	27

Records on 6 December 2018 by timescale: all-time 1, monthly 15, daily 453.

How Much Records Were Beaten By

403 broken records

Margins by which the 403 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 145.0. Ties are not counted.

Top 20 by Significance

6 December 2018

Top 20 records on 6 December 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 December 2018	Mudanjiang, CN	daily rain	30.0 mm (1.2 in)	29.0 mm (1.1 in)	48 years	60 of 100 (Major)
6 December 2018	Palmdale AP, US	daily rain	36.3 mm (1.4 in)	27.9 mm (1.1 in)	52 years	58 of 100 (Notable)
6 December 2018	San Diego Intl AP, US	daily rain	45.7 mm (1.8 in)	27.2 mm (1.1 in)	52 years	49 of 100 (Notable)
6 December 2018	Bergland Dam, US	daily snowfall	34.8 cm (13.7 in)	14.5 cm (5.7 in)	44 years	46 of 100 (Notable)
6 December 2018	Cardwell Marine Pde, AU	daily rain	159.0 mm (6.3 in)	57.4 mm (2.3 in)	53 years	45 of 100 (Notable)
6 December 2018	Aramac Post Office, AU	daily rain	34.0 mm (1.3 in)	6.1 mm (0.24 in)	100 years	44 of 100 (Notable)
6 December 2018	Chula Vista, US	daily rain	47.2 mm (1.9 in)	28.1 mm (1.1 in)	20 years	43 of 100 (Notable)
6 December 2018	Riggins, US	daily low min	-12.2 C (10.0 F)	1.6 C (2.9 F)	119 years	43 of 100 (Notable)
6 December 2018	Nephi, US	daily snow depth	22.9 cm (9.0 in)	2.6 cm (1.0 in)	108 years	43 of 100 (Notable)
6 December 2018	Oberstdorf, DE	daily high min	4.9 C (40.8 F)	2.0 C (3.6 F)	88 years	39 of 100 (Notable)
6 December 2018	Ulleungdo, KR	daily rain	66.0 mm (2.6 in)	27.9 mm (1.1 in)	13 years	39 of 100 (Notable)
6 December 2018	Sokode, TG	daily high min	24.0 C (75.2 F)	2.7 C (4.9 F)	71 years	39 of 100 (Notable)
6 December 2018	Babuskin, RU	daily low max	-18.5 C (-1.3 F)	1.5 C (2.7 F)	83 years	37 of 100 (Notable)
6 December 2018	El Cajon, US	daily rain	41.4 mm (1.6 in)	28.2 mm (1.1 in)	32 years	36 of 100 (Notable)
6 December 2018	Yumenzhen, CN	daily low max	-15.3 C (4.5 F)	5.2 C (9.4 F)	64 years	35 of 100 (Notable)
6 December 2018	Le Bourget, FR	daily high min	10.6 C (51.1 F)	0.2 C (0.4 F)	84 years	35 of 100 (Notable)
6 December 2018	Lisboa Geofisica, PT	daily high max	20.4 C (68.7 F)	1.2 C (2.2 F)	68 years	35 of 100 (Notable)
6 December 2018	Farson 2NNE, US	daily snowfall	7.6 cm (3.0 in)	2.5 cm (1.0 in)	61 years	35 of 100 (Notable)
6 December 2018	Ust-Barguzin, RU	monthly rain	26.6 mm (1.0 in)	0.8 mm (0.03 in)	43 years	33 of 100 (Routine)
6 December 2018	Indio Fire STN, US	daily low max	13.3 C (55.9 F)	0.6 C (1.1 F)	75 years	33 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

1804 to 2018

Records set or tied on this calendar date in each year from 1804 to 2018. 2018 had 469 records.

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

Records on 12-06 in each year
Year	Records
1804	1
1822	1
1825	1
1827	1
1829	2
1832	1
1836	1
1839	1
1840	1
1841	1
1842	1
1844	2
1848	1
1856	2
1859	1
1860	2
1861	1
1862	1
1865	1
1866	1
1868	7
1871	1
1872	1
1875	3
1876	1
1879	5
1880	1
1884	2
1886	3
1888	2
1889	1
1890	1
1891	8
1893	2
1895	3
1896	2
1897	1
1898	4
1899	7
1900	6
1901	5
1902	19
1903	7
1904	13
1905	4
1906	23
1907	10
1908	18
1909	26
1910	35
1911	9
1912	109
1913	14
1914	11
1915	63
1916	25
1917	22
1918	34
1919	30
1920	259
1921	20
1922	150
1923	145
1924	159
1925	189
1926	308
1927	107
1928	98
1929	92
1930	481
1931	178
1932	363
1933	346
1934	185
1935	283
1936	524
1937	958
1938	267
1939	918
1940	264
1941	231
1942	509
1943	378
1944	203
1945	241
1946	657
1947	178
1948	396
1949	137
1950	1,419
1951	1,591
1952	229
1953	533
1954	455
1955	345
1956	1,633
1957	362
1958	640
1959	379
1960	707
1961	197
1962	916
1963	391
1964	597
1965	420
1966	1,013
1967	310
1968	356
1969	810
1970	558
1971	545
1972	2,565
1973	482
1974	549
1975	637
1976	643
1977	1,480
1978	969
1979	809
1980	1,108
1981	937
1982	1,277
1983	1,232
1984	1,245
1985	1,087
1986	695
1987	978
1988	660
1989	798
1990	800
1991	743
1992	1,622
1993	485
1994	1,467
1995	1,456
1996	1,093
1997	953
1998	2,750
1999	1,079
2000	1,230
2001	1,520
2002	1,576
2003	1,303
2004	699
2005	1,233
2006	1,097
2007	1,538
2008	913
2009	866
2010	1,364
2011	1,327
2012	848
2013	2,182
2014	615
2015	768
2016	575
2017	402
2018	469
2019	374
2020	549
2021	676
2022	432
2023	1,271
2024	620
2025	640

Download the Data

Data for records on 2018-12-06: 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	362
20 to 40	26
40 to 60	10
60 to 80	2
80 to 100	0
100 to 120	1
120 to 140	1
140 to 160	1