Weather Records on 6 December 1986

695 weather records were set or tied worldwide on 6 December 1986. Highest significance: Madera, MX.

Key Facts for 6 December 1986

On 6 December 1986, 695 weather records were set or tied at long-record stations worldwide.
262 were record highs and 68 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 17 monthly and 678 daily.
Madera set a daily record precipitation of 56.4 mm (2.2 in) on 6 December 1986.
Across 164 earlier years (1804 to 2025) the same calendar date averaged 483 records.

Record Map

695 stations

695 station records on 6 December 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 December 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Madera	Mexico	Record daily precipitation	56.4 mm (2.2 in)	63 of 100 (Major)
Supai	United States	Record daily precipitation	39.6 mm (1.6 in)	62 of 100 (Major)
Mount Gambier Post Office	Australia	Record daily precipitation	51.1 mm (2.0 in)	57 of 100 (Notable)
Samalayuca	Mexico	Record daily precipitation	64.8 mm (2.6 in)	57 of 100 (Notable)
Overland Corner	Australia	Record daily precipitation	28.0 mm (1.1 in)	51 of 100 (Notable)
Edenhope (Post Office)	Australia	Record daily precipitation	59.0 mm (2.3 in)	50 of 100 (Notable)
Blackburn	South Africa	Record daily precipitation	71.0 mm (2.8 in)	50 of 100 (Notable)
Creswick	Australia	Record daily precipitation	35.0 mm (1.4 in)	49 of 100 (Notable)
Miami Beach	United States	Record daily precipitation	54.6 mm (2.1 in)	46 of 100 (Notable)
Miami WSO City	United States	Record daily precipitation	54.6 mm (2.1 in)	45 of 100 (Notable)
Bruce	Australia	Record daily precipitation	43.2 mm (1.7 in)	44 of 100 (Notable)
Calton Hills Station	Australia	Record daily precipitation	33.0 mm (1.3 in)	44 of 100 (Notable)
Cornubia	South Africa	Record daily precipitation	92.5 mm (3.6 in)	43 of 100 (Notable)
Cordillo Downs	Australia	Record daily precipitation	90.0 mm (3.5 in)	42 of 100 (Notable)
Lake Lonsdale	Australia	Record daily precipitation	27.4 mm (1.1 in)	42 of 100 (Notable)
Wentworth (Woodlands)	Australia	Record daily precipitation	37.5 mm (1.5 in)	41 of 100 (Notable)
Bushy Park	Australia	Record daily precipitation	38.8 mm (1.5 in)	40 of 100 (Notable)
Attu	United States	Record daily precipitation	53.3 mm (2.1 in)	40 of 100 (Notable)
Sitka AP	United States	Record daily precipitation	62.5 mm (2.5 in)	40 of 100 (Notable)
Bombala (Therry Street)	Australia	Record daily precipitation	63.4 mm (2.5 in)	39 of 100 (Notable)
Assab	Eritrea	Record low maximum temperature	22.8 C (73.0 F)	39 of 100 (Notable)
El Rito	United States	Record daily snowfall	15.2 cm (6.0 in)	39 of 100 (Notable)
Orebro	Sweden	Record high maximum temperature	10.5 C (50.9 F)	38 of 100 (Notable)
Junction 4SSW	United States	Record daily precipitation	31.8 mm (1.3 in)	38 of 100 (Notable)
Bannerton	Australia	Record daily precipitation	27.0 mm (1.1 in)	37 of 100 (Notable)
Ft Lewis	United States	Record daily snowfall	25.4 cm (10.0 in)	37 of 100 (Notable)
Lordsburg 4 SE	United States	Record high minimum temperature	7.2 C (45.0 F)	37 of 100 (Notable)
Park City G.C.	United States	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Matanuska Exp Farm	United States	Record daily snowfall	12.4 cm (4.9 in)	37 of 100 (Notable)
Vasteras-Hasslo	Sweden	Record high maximum temperature	10.7 C (51.3 F)	36 of 100 (Notable)
Bjelasnica	Bosnia and Herzegovina	Record high minimum temperature	3.6 C (38.5 F)	35 of 100 (Notable)
Villa Ahumada	Mexico	Record high minimum temperature	10.0 C (50.0 F)	34 of 100 (Routine)
Forsyth 6 NNW	United States	Record low minimum temperature	-6.1 C (21.0 F)	34 of 100 (Routine)
Scott City	United States	Record snow depth	17.8 cm (7.0 in)	34 of 100 (Routine)
Haleakala Rs 338	United States	Record daily precipitation	132.3 mm (5.2 in)	34 of 100 (Routine)
Vinhedo	Brazil	Record daily precipitation	80.2 mm (3.2 in)	33 of 100 (Routine)
Enisejsk	Russia	Record high minimum temperature	-1.8 C (28.8 F)	33 of 100 (Routine)
Mount Barker	Australia	Record daily precipitation	27.2 mm (1.1 in)	32 of 100 (Routine)
Mc Connellsville Lk 7	United States	Record low maximum temperature	-1.7 C (28.9 F)	32 of 100 (Routine)
Cathcart (Old Post Office)	Australia	Record daily precipitation	51.2 mm (2.0 in)	31 of 100 (Routine)
Achinsk	Russia	Record high minimum temperature	-1.9 C (28.6 F)	31 of 100 (Routine)
Alpine	United States	Record high minimum temperature	0.6 C (33.1 F)	31 of 100 (Routine)
Manna Hill (Four Brothers)	Australia	Record daily precipitation	31.6 mm (1.2 in)	30 of 100 (Routine)
Strathdarr	Australia	Record daily precipitation	27.0 mm (1.1 in)	30 of 100 (Routine)
Moshi	Tanzania	Record daily precipitation	41.2 mm (1.6 in)	30 of 100 (Routine)
Bowie	United States	Record high minimum temperature	8.9 C (48.0 F)	30 of 100 (Routine)
Hachita 1W	United States	Record high minimum temperature	5.6 C (42.1 F)	30 of 100 (Routine)
Tremonton	United States	Record high maximum temperature	11.1 C (52.0 F)	30 of 100 (Routine)
Juneau AP	United States	Record daily precipitation	31.0 mm (1.2 in)	30 of 100 (Routine)
Glen Alice (Watervale)	Australia	Record daily precipitation	70.4 mm (2.8 in)	29 of 100 (Routine)
Joanopolis	Brazil	Record daily precipitation	59.7 mm (2.4 in)	29 of 100 (Routine)
Glenburn	Australia	Record daily precipitation	35.0 mm (1.4 in)	28 of 100 (Routine)
Amealco	Mexico	Record high minimum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
Karlstad	Sweden	Record high maximum temperature	9.3 C (48.7 F)	28 of 100 (Routine)
Richfield Radio Ksvc	United States	Record high minimum temperature	2.8 C (37.0 F)	28 of 100 (Routine)
Tanbar Station	Australia	Record daily precipitation	30.0 mm (1.2 in)	27 of 100 (Routine)
Lochiel	Australia	Record daily precipitation	38.6 mm (1.5 in)	27 of 100 (Routine)
Fajardo	Puerto Rico [United States]	Record high minimum temperature	25.6 C (78.1 F)	27 of 100 (Routine)
Kiev	Ukraine	Record high maximum temperature	13.4 C (56.1 F)	27 of 100 (Routine)
Tremonton	United States	Record high minimum temperature	0.0 C (32.0 F)	27 of 100 (Routine)

Counts by Type and Timescale

695 records

Records set or tied on 6 December 1986 by type: Highest daily maximum 110, Lowest daily maximum 26, Highest daily minimum 152, Lowest daily minimum 42, Heaviest daily rainfall 330, Heaviest daily snowfall 27, Deepest snow cover 8.

Records on 6 December 1986 by type
Record type	Records
Highest daily maximum	110
Lowest daily maximum	26
Highest daily minimum	152
Lowest daily minimum	42
Heaviest daily rainfall	330
Heaviest daily snowfall	27
Deepest snow cover	8

Records on 6 December 1986 by timescale: all-time 0, monthly 17, daily 678.

How Much Records Were Beaten By

603 broken records

Margins by which the 603 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 203.0. Ties are not counted.

Top 20 by Significance

6 December 1986

Top 20 records on 6 December 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 December 1986	Madera, MX	daily rain	56.4 mm (2.2 in)	39.6 mm (1.6 in)	57 years	63 of 100 (Major)
6 December 1986	Supai, US	daily rain	39.6 mm (1.6 in)	30.2 mm (1.2 in)	61 years	62 of 100 (Major)
6 December 1986	Mount Gambier Post Office, AU	daily rain	51.1 mm (2.0 in)	14.0 mm (0.6 in)	84 years	57 of 100 (Notable)
6 December 1986	Samalayuca, MX	monthly rain	64.8 mm (2.6 in)	45.0 mm (1.8 in)	11 years	57 of 100 (Notable)
6 December 1986	Overland Corner, AU	daily rain	28.0 mm (1.1 in)	8.7 mm (0.34 in)	101 years	51 of 100 (Notable)
6 December 1986	Edenhope (Post Office), AU	monthly rain	59.0 mm (2.3 in)	9.7 mm (0.38 in)	56 years	50 of 100 (Notable)
6 December 1986	Blackburn, ZA	daily rain	71.0 mm (2.8 in)	28.8 mm (1.1 in)	68 years	50 of 100 (Notable)
6 December 1986	Creswick, AU	daily rain	35.0 mm (1.4 in)	24.3 mm (1.0 in)	23 years	49 of 100 (Notable)
6 December 1986	Miami Beach, US	daily rain	54.6 mm (2.1 in)	40.9 mm (1.6 in)	8 years	46 of 100 (Notable)
6 December 1986	Miami WSO City, US	daily rain	54.6 mm (2.1 in)	40.9 mm (1.6 in)	8 years	45 of 100 (Notable)
6 December 1986	Bruce, AU	daily rain	43.2 mm (1.7 in)	36.6 mm (1.4 in)	20 years	44 of 100 (Notable)
6 December 1986	Calton Hills Station, AU	daily rain	33.0 mm (1.3 in)	23.9 mm (0.9 in)	73 years	44 of 100 (Notable)
6 December 1986	Cornubia, ZA	daily rain	92.5 mm (3.6 in)	27.2 mm (1.1 in)	52 years	43 of 100 (Notable)
6 December 1986	Cordillo Downs, AU	monthly rain	90.0 mm (3.5 in)	20.7 mm (0.8 in)	25 years	42 of 100 (Notable)
6 December 1986	Lake Lonsdale, AU	daily rain	27.4 mm (1.1 in)	13.7 mm (0.5 in)	56 years	42 of 100 (Notable)
6 December 1986	Wentworth (Woodlands), AU	daily rain	37.5 mm (1.5 in)	23.8 mm (0.9 in)	56 years	41 of 100 (Notable)
6 December 1986	Bushy Park, AU	daily rain	38.8 mm (1.5 in)	22.3 mm (0.9 in)	64 years	40 of 100 (Notable)
6 December 1986	Attu, US	daily rain	53.3 mm (2.1 in)	22.1 mm (0.9 in)	36 years	40 of 100 (Notable)
6 December 1986	Sitka AP, US	daily rain	62.5 mm (2.5 in)	32.8 mm (1.3 in)	25 years	40 of 100 (Notable)
6 December 1986	Bombala (Therry Street), AU	daily rain	63.4 mm (2.5 in)	18.7 mm (0.7 in)	43 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

1804 to 1986

Records set or tied on this calendar date in each year from 1804 to 1986. 1986 had 695 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 1986-12-06: 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 50	595
50 to 100	6
100 to 150	1
150 to 200	0
200 to 250	1