Weather Records on 11 December 2017

670 weather records were set or tied worldwide on 11 December 2017. Highest significance: Braganca, PT.

Key Facts for 11 December 2017

On 11 December 2017, 670 weather records were set or tied at long-record stations worldwide.
317 were record highs and 58 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 25 monthly and 644 daily.
Braganca set a daily record precipitation of 75.9 mm (3.0 in) on 11 December 2017.
Across 154 earlier years (1796 to 2025) the same calendar date averaged 472 records.

Record Map

670 stations

670 station records on 11 December 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 December 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Braganca	Portugal	Record daily precipitation	75.9 mm (3.0 in)	68 of 100 (Major)
Franklin	United States	Record snow depth	15.2 cm (6.0 in)	61 of 100 (Major)
Rosman	United States	Record snow depth	17.8 cm (7.0 in)	57 of 100 (Notable)
Silchar	India	Record daily precipitation	33.0 mm (1.3 in)	56 of 100 (Notable)
Caesars Head	United States	Record snow depth	15.2 cm (6.0 in)	55 of 100 (Notable)
Kootwijk	Netherlands	Record snow depth	28.0 cm (11.0 in)	54 of 100 (Notable)
Dahlonega 4WSW	United States	Record snow depth	10.2 cm (4.0 in)	54 of 100 (Notable)
Lake Toxaway 2 SW	United States	Record snow depth	15.2 cm (6.0 in)	52 of 100 (Notable)
Kredarica	Slovenia	Record daily precipitation	121.3 mm (4.8 in)	50 of 100 (Notable)
Beaver Falls	United States	Record daily snowfall	45.7 cm (18.0 in)	48 of 100 (Notable)
Tizi Ouzou	Algeria	Record high minimum temperature	15.2 C (59.4 F)	47 of 100 (Notable)
Sion 2	Switzerland	Record snow depth	60.0 cm (23.6 in)	47 of 100 (Notable)
Elm Springs 3 ESE	United States	Record high minimum temperature	4.4 C (39.9 F)	47 of 100 (Notable)
Asheville AP	United States	Record snow depth	13.0 cm (5.1 in)	46 of 100 (Notable)
Cullowhee	United States	Record snow depth	15.2 cm (6.0 in)	44 of 100 (Notable)
San Andres (Isla)/S	Colombia	Record daily precipitation	56.9 mm (2.2 in)	43 of 100 (Notable)
Bent Creek	United States	Record snow depth	12.7 cm (5.0 in)	43 of 100 (Notable)
Sterling	United States	Record high maximum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Hendersonville 1 NE	United States	Record snow depth	20.3 cm (8.0 in)	42 of 100 (Notable)
Murdo	United States	Record high minimum temperature	5.0 C (41.0 F)	42 of 100 (Notable)
Tomakomai	Japan	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Almen	Netherlands	Record snow depth	11.0 cm (4.3 in)	41 of 100 (Notable)
Boxtel	Netherlands	Record snow depth	12.0 cm (4.7 in)	41 of 100 (Notable)
Avon Park 2 W	United States	Record low maximum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Ft Pierce	United States	Record low maximum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Jasper 1 NNW	United States	Record snow depth	15.2 cm (6.0 in)	41 of 100 (Notable)
Embrun	France	Record daily precipitation	56.9 mm (2.2 in)	40 of 100 (Notable)
Ratece-Planica	Slovenia	Record daily precipitation	117.4 mm (4.6 in)	40 of 100 (Notable)
Enka	United States	Record snow depth	12.7 cm (5.0 in)	39 of 100 (Notable)
Bellegarde	France	Record daily precipitation	35.8 mm (1.4 in)	38 of 100 (Notable)
Deelen-1	Netherlands	Record snow depth	20.0 cm (7.9 in)	38 of 100 (Notable)
Geneve Cointrin	Switzerland	Record daily precipitation	32.0 mm (1.3 in)	38 of 100 (Notable)
Dunkirk 19NNE	United States	Record high maximum temperature	13.9 C (57.0 F)	38 of 100 (Notable)
Holdrege	United States	Record high maximum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Onida 4 NW	United States	Record high minimum temperature	2.2 C (36.0 F)	38 of 100 (Notable)
Mullan Pass Vor/Dme	United States	Record high minimum temperature	2.8 C (37.0 F)	38 of 100 (Notable)
Ketchikan AP	United States	Record high minimum temperature	7.8 C (46.0 F)	38 of 100 (Notable)
Philibert Tsiranana	Madagascar	Record low minimum temperature	19.5 C (67.1 F)	37 of 100 (Notable)
Malacca	Malaysia	Record daily precipitation	74.7 mm (2.9 in)	37 of 100 (Notable)
Ft Assiniboine	United States	Record high maximum temperature	14.4 C (57.9 F)	37 of 100 (Notable)
Coweeta Exp STN	United States	Record snow depth	10.2 cm (4.0 in)	37 of 100 (Notable)
Bottineau	United States	Record high minimum temperature	-3.3 C (26.1 F)	37 of 100 (Notable)
McAlester Rgnl AP	United States	Record high maximum temperature	25.0 C (77.0 F)	37 of 100 (Notable)
Agartala	India	Record daily precipitation	45.0 mm (1.8 in)	36 of 100 (Notable)
Gendringen	Netherlands	Record snow depth	10.0 cm (3.9 in)	36 of 100 (Notable)
Cuyamaca	United States	Record high minimum temperature	10.0 C (50.0 F)	36 of 100 (Notable)
Mt Mitchell	United States	Record snow depth	63.5 cm (25.0 in)	36 of 100 (Notable)
Giethoorn	Netherlands	Record snow depth	12.0 cm (4.7 in)	35 of 100 (Notable)
Condinup	Australia	Record daily precipitation	26.8 mm (1.1 in)	34 of 100 (Routine)
Jokkmokk	Sweden	Record snow depth	84.0 cm (33.1 in)	34 of 100 (Routine)
Fletcher 3 W	United States	Record snow depth	12.7 cm (5.0 in)	34 of 100 (Routine)
Gettysburg	United States	Record high minimum temperature	0.6 C (33.1 F)	34 of 100 (Routine)
Apeldoorn	Netherlands	Record snow depth	13.0 cm (5.1 in)	33 of 100 (Routine)
Hulshorst	Netherlands	Record snow depth	13.0 cm (5.1 in)	33 of 100 (Routine)
Tully Lake	United States	Record daily snowfall	12.7 cm (5.0 in)	33 of 100 (Routine)
Broken Bow 2 W	United States	Record high minimum temperature	3.3 C (37.9 F)	33 of 100 (Routine)
Butte	United States	Record high minimum temperature	1.7 C (35.1 F)	33 of 100 (Routine)
Mays Landing 1 W	United States	Record daily snowfall	5.1 cm (2.0 in)	33 of 100 (Routine)
Lille-Lesquin	France	Record daily precipitation	27.0 mm (1.1 in)	32 of 100 (Routine)
Ft Lauderdale	United States	Record low maximum temperature	16.1 C (61.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

670 records

Records set or tied on 11 December 2017 by type: Highest daily maximum 181, Lowest daily maximum 31, Highest daily minimum 136, Lowest daily minimum 27, Heaviest daily rainfall 146, Heaviest daily snowfall 11, Deepest snow cover 138.

Records on 11 December 2017 by type
Record type	Records
Highest daily maximum	181
Lowest daily maximum	31
Highest daily minimum	136
Lowest daily minimum	27
Heaviest daily rainfall	146
Heaviest daily snowfall	11
Deepest snow cover	138

Records on 11 December 2017 by timescale: all-time 1, monthly 25, daily 644.

How Much Records Were Beaten By

551 broken records

Margins by which the 551 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 381.0. Ties are not counted.

Top 20 by Significance

11 December 2017

Top 20 records on 11 December 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 December 2017	Braganca, PT	daily rain	75.9 mm (3.0 in)	55.7 mm (2.2 in)	72 years	68 of 100 (Major)
11 December 2017	Franklin, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	68 years	61 of 100 (Major)
11 December 2017	Rosman, US	daily snow depth	17.8 cm (7.0 in)	15.3 cm (6.0 in)	72 years	57 of 100 (Notable)
11 December 2017	Silchar, IN	daily rain	33.0 mm (1.3 in)	27.7 mm (1.1 in)	71 years	56 of 100 (Notable)
11 December 2017	Caesars Head, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	50 years	55 of 100 (Notable)
11 December 2017	Kootwijk, NL	all-time snow depth	28.0 cm (11.0 in)	5.0 cm (2.0 in)	61 years	54 of 100 (Notable)
11 December 2017	Dahlonega 4WSW, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	87 years	54 of 100 (Notable)
11 December 2017	Lake Toxaway 2 SW, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	64 years	52 of 100 (Notable)
11 December 2017	Kredarica, SI	monthly rain	121.3 mm (4.8 in)	32.9 mm (1.3 in)	27 years	50 of 100 (Notable)
11 December 2017	Beaver Falls, US	daily snowfall	45.7 cm (18.0 in)	27.9 cm (11.0 in)	3 years	48 of 100 (Notable)
11 December 2017	Tizi Ouzou, DZ	daily high min	15.2 C (59.4 F)	3.2 C (5.8 F)	92 years	47 of 100 (Notable)
11 December 2017	Sion 2, CH	monthly snow depth	60.0 cm (23.6 in)	10.0 cm (3.9 in)	64 years	47 of 100 (Notable)
11 December 2017	Elm Springs 3 ESE, US	monthly high min	4.4 C (39.9 F)	1.1 C (2.0 F)	92 years	47 of 100 (Notable)
11 December 2017	Asheville AP, US	daily snow depth	13.0 cm (5.1 in)	13.0 cm (5.1 in)	68 years	46 of 100 (Notable)
11 December 2017	Cullowhee, US	daily snow depth	15.2 cm (6.0 in)	2.5 cm (1.0 in)	102 years	44 of 100 (Notable)
11 December 2017	San Andres (Isla)/S, CO	daily rain	56.9 mm (2.2 in)	37.9 mm (1.5 in)	34 years	43 of 100 (Notable)
11 December 2017	Bent Creek, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	68 years	43 of 100 (Notable)
11 December 2017	Sterling, US	daily high max	19.4 C (66.9 F)	1.6 C (2.9 F)	123 years	42 of 100 (Notable)
11 December 2017	Hendersonville 1 NE, US	daily snow depth	20.3 cm (8.0 in)	2.5 cm (1.0 in)	102 years	42 of 100 (Notable)
11 December 2017	Murdo, US	daily high min	5.0 C (41.0 F)	3.3 C (5.9 F)	96 years	42 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

1796 to 2017

Records set or tied on this calendar date in each year from 1796 to 2017. 2017 had 670 records.

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

Records on 12-11 in each year
Year	Records
1796	2
1808	2
1815	2
1825	2
1841	1
1852	1
1855	2
1862	1
1868	1
1869	3
1871	4
1872	1
1876	2
1877	1
1878	2
1879	4
1880	2
1882	3
1886	1
1887	1
1889	1
1891	3
1892	2
1893	3
1894	1
1895	4
1897	2
1898	14
1899	5
1900	4
1901	5
1902	6
1903	2
1904	28
1905	15
1906	12
1907	30
1908	18
1909	7
1910	31
1911	49
1912	36
1913	8
1914	13
1915	93
1916	55
1917	103
1918	32
1919	40
1920	58
1921	49
1922	143
1923	88
1924	84
1925	81
1926	77
1927	232
1928	111
1929	345
1930	72
1931	762
1932	696
1933	260
1934	480
1935	290
1936	357
1937	839
1938	231
1939	626
1940	302
1941	353
1942	263
1943	196
1944	407
1945	234
1946	717
1947	342
1948	153
1949	1,201
1950	463
1951	261
1952	923
1953	157
1954	492
1955	312
1956	300
1957	517
1958	985
1959	322
1960	746
1961	1,300
1962	723
1963	604
1964	542
1965	1,216
1966	525
1967	945
1968	543
1969	587
1970	617
1971	900
1972	1,514
1973	334
1974	313
1975	454
1976	380
1977	1,182
1978	678
1979	847
1980	522
1981	949
1982	657
1983	971
1984	1,013
1985	1,471
1986	561
1987	639
1988	850
1989	584
1990	747
1991	1,102
1992	1,357
1993	749
1994	1,243
1995	1,837
1996	1,307
1997	1,203
1998	1,012
1999	769
2000	1,584
2001	626
2002	1,139
2003	646
2004	1,166
2005	816
2006	858
2007	1,613
2008	1,312
2009	1,091
2010	1,284
2011	416
2012	618
2013	737
2014	893
2015	1,183
2016	489
2017	670
2018	353
2019	442
2020	517
2021	1,175
2022	679
2023	814
2024	539
2025	1,691

Download the Data

Data for records on 2017-12-11: 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	501
50 to 100	33
100 to 150	10
150 to 200	5
200 to 250	0
250 to 300	1
300 to 350	0
350 to 400	1