Weather Records on 7 December 2017

508 weather records were set or tied worldwide on 7 December 2017. Highest significance: Valentine 10 WSW, US.

Key Facts for 7 December 2017

On 7 December 2017, 508 weather records were set or tied at long-record stations worldwide.
171 were record highs and 78 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 26 monthly and 479 daily.
Valentine 10 WSW set a daily record snowfall of 12.7 cm (5.0 in) on 7 December 2017.
Across 157 earlier years (1801 to 2025) the same calendar date averaged 494 records.

Record Map

508 stations

508 station records on 7 December 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 December 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Valentine 10 WSW	United States	Record daily snowfall	12.7 cm (5.0 in)	68 of 100 (Major)
Valentine 10 WSW	United States	Record snow depth	12.7 cm (5.0 in)	67 of 100 (Major)
Phuket	Thailand	Record daily precipitation	118.1 mm (4.6 in)	65 of 100 (Major)
Milesovka	Czech Republic	Record daily precipitation	50.0 mm (2.0 in)	56 of 100 (Notable)
Mt Locke	United States	Record daily precipitation	30.5 mm (1.2 in)	56 of 100 (Notable)
La Pryor	United States	Record daily precipitation	35.6 mm (1.4 in)	55 of 100 (Notable)
Mt Locke	United States	Record daily snowfall	11.4 cm (4.5 in)	55 of 100 (Notable)
Amistad Dam	United States	Record daily precipitation	30.2 mm (1.2 in)	54 of 100 (Notable)
Mt Locke	United States	Record snow depth	12.7 cm (5.0 in)	54 of 100 (Notable)
Sauda	Norway	Record daily precipitation	71.8 mm (2.8 in)	53 of 100 (Notable)
Brackettville	United States	Record daily snowfall	5.1 cm (2.0 in)	52 of 100 (Notable)
Canyon Dam	United States	Record daily precipitation	43.2 mm (1.7 in)	52 of 100 (Notable)
Brookgreen Gardens	United States	Record daily precipitation	78.7 mm (3.1 in)	50 of 100 (Notable)
Vik I Sogn III	Norway	Record daily precipitation	31.3 mm (1.2 in)	48 of 100 (Notable)
Bredbyn	Sweden	Record daily precipitation	38.4 mm (1.5 in)	48 of 100 (Notable)
Pitea	Sweden	Record daily precipitation	25.3 mm (1.0 in)	47 of 100 (Notable)
Cotulla la Salle Co AP	United States	Record daily precipitation	33.0 mm (1.3 in)	47 of 100 (Notable)
Del Rio Intl AP	United States	Record daily precipitation	28.2 mm (1.1 in)	46 of 100 (Notable)
Ft Stockton	United States	Record daily snowfall	7.6 cm (3.0 in)	45 of 100 (Notable)
Langtry	United States	Record daily precipitation	25.7 mm (1.0 in)	45 of 100 (Notable)
Junction 4SSW	United States	Record daily precipitation	32.3 mm (1.3 in)	43 of 100 (Notable)
Torshavn	Denmark	Record daily precipitation	49.5 mm (1.9 in)	42 of 100 (Notable)
Prospect 2 SW	United States	Record high maximum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Yakutat AP	United States	Record high maximum temperature	10.6 C (51.1 F)	42 of 100 (Notable)
Oksoey Fyr	Norway	Record high minimum temperature	7.8 C (46.0 F)	41 of 100 (Notable)
Minami Tori Shima Ma	Japan	Record daily precipitation	75.9 mm (3.0 in)	40 of 100 (Notable)
Hafslo	Norway	Record daily precipitation	40.4 mm (1.6 in)	40 of 100 (Notable)
Newport Beach Harbor	United States	Record high minimum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Happy Camp Rs	United States	Record high maximum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Bridgeport	United States	Record high minimum temperature	2.2 C (36.0 F)	38 of 100 (Notable)
Sitka AP	United States	Record high minimum temperature	11.7 C (53.1 F)	38 of 100 (Notable)
Kittelfjall_D	Sweden	Record daily precipitation	28.8 mm (1.1 in)	37 of 100 (Notable)
Cordova N	United States	Record daily precipitation	106.7 mm (4.2 in)	36 of 100 (Notable)
Daly Waters AWS	Australia	Record low minimum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Seaside	United States	Record high maximum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Brackettville 22 N	United States	Record daily precipitation	31.8 mm (1.3 in)	35 of 100 (Notable)
Harper 3ENE	United States	Record daily precipitation	26.9 mm (1.1 in)	35 of 100 (Notable)
Haines AP	United States	Record high maximum temperature	11.7 C (53.1 F)	35 of 100 (Notable)
Laurel	United States	Record low maximum temperature	5.6 C (42.1 F)	34 of 100 (Routine)
Falls City 7 WSW	United States	Record daily precipitation	38.6 mm (1.5 in)	34 of 100 (Routine)
Persimmon Gap	United States	Record daily precipitation	25.4 mm (1.0 in)	34 of 100 (Routine)
Cordova AP	United States	Record high minimum temperature	5.0 C (41.0 F)	34 of 100 (Routine)
Folkston 9 SW	United States	Record daily precipitation	26.2 mm (1.0 in)	33 of 100 (Routine)
Laredo 2	United States	Record daily precipitation	39.4 mm (1.6 in)	33 of 100 (Routine)
Spring Branch 2SE	United States	Record daily precipitation	42.2 mm (1.7 in)	33 of 100 (Routine)
Stockdale 6N	United States	Record daily precipitation	30.5 mm (1.2 in)	33 of 100 (Routine)
Hillside Station	Australia	Record daily precipitation	47.0 mm (1.9 in)	32 of 100 (Routine)
Lancefield	Australia	Record daily precipitation	30.0 mm (1.2 in)	32 of 100 (Routine)
Kerrville 3 NNE	United States	Record daily precipitation	28.4 mm (1.1 in)	32 of 100 (Routine)
Gulkana AP	United States	Record high minimum temperature	-4.9 C (23.2 F)	32 of 100 (Routine)
Medina 1NE	United States	Record daily precipitation	34.5 mm (1.4 in)	31 of 100 (Routine)
Kingsville Naas	United States	Record daily precipitation	37.1 mm (1.5 in)	31 of 100 (Routine)
Picayune	United States	Record low maximum temperature	6.1 C (43.0 F)	30 of 100 (Routine)
New Plymouth AWS	New Zealand	Record high maximum temperature	23.4 C (74.1 F)	29 of 100 (Routine)
Kwajalein	Marshall Islands	Record low maximum temperature	27.8 C (82.0 F)	29 of 100 (Routine)
Mecca Fire STN	United States	Record high minimum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Northington Rch	United States	Record daily precipitation	36.1 mm (1.4 in)	29 of 100 (Routine)
Manzini/Matsapa Air	Swaziland	Record daily precipitation	32.0 mm (1.3 in)	29 of 100 (Routine)
Kosrae	Federated States of Micronesia	Record daily precipitation	75.2 mm (3.0 in)	28 of 100 (Routine)
Zinder	Niger	Record high minimum temperature	20.8 C (69.4 F)	28 of 100 (Routine)

Counts by Type and Timescale

508 records

Records set or tied on 7 December 2017 by type: Highest daily maximum 94, Lowest daily maximum 35, Highest daily minimum 77, Lowest daily minimum 43, Heaviest daily rainfall 230, Heaviest daily snowfall 18, Deepest snow cover 11.

Records on 7 December 2017 by type
Record type	Records
Highest daily maximum	94
Lowest daily maximum	35
Highest daily minimum	77
Lowest daily minimum	43
Heaviest daily rainfall	230
Heaviest daily snowfall	18
Deepest snow cover	11

Records on 7 December 2017 by timescale: all-time 3, monthly 26, daily 479.

How Much Records Were Beaten By

434 broken records

Margins by which the 434 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 308.0. Ties are not counted.

Top 20 by Significance

7 December 2017

Top 20 records on 7 December 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 December 2017	Valentine 10 WSW, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	116 years	68 of 100 (Major)
7 December 2017	Valentine 10 WSW, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	116 years	67 of 100 (Major)
7 December 2017	Phuket, TH	monthly rain	118.1 mm (4.6 in)	44.7 mm (1.8 in)	32 years	65 of 100 (Major)
7 December 2017	Milesovka, CZ	daily rain	50.0 mm (2.0 in)	44.9 mm (1.8 in)	43 years	56 of 100 (Notable)
7 December 2017	Mt Locke, US	daily rain	30.5 mm (1.2 in)	21.4 mm (0.8 in)	36 years	56 of 100 (Notable)
7 December 2017	La Pryor, US	daily rain	35.6 mm (1.4 in)	22.9 mm (0.9 in)	56 years	55 of 100 (Notable)
7 December 2017	Mt Locke, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	82 years	55 of 100 (Notable)
7 December 2017	Amistad Dam, US	daily rain	30.2 mm (1.2 in)	24.4 mm (1.0 in)	31 years	54 of 100 (Notable)
7 December 2017	Mt Locke, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	82 years	54 of 100 (Notable)
7 December 2017	Sauda, NO	daily rain	71.8 mm (2.8 in)	33.6 mm (1.3 in)	68 years	53 of 100 (Notable)
7 December 2017	Brackettville, US	monthly snowfall	5.1 cm (2.0 in)	3.1 cm (1.2 in)	87 years	52 of 100 (Notable)
7 December 2017	Canyon Dam, US	daily rain	43.2 mm (1.7 in)	40.4 mm (1.6 in)	39 years	52 of 100 (Notable)
7 December 2017	Brookgreen Gardens, US	daily rain	78.7 mm (3.1 in)	43.6 mm (1.7 in)	48 years	50 of 100 (Notable)
7 December 2017	Vik I Sogn III, NO	daily rain	31.3 mm (1.2 in)	6.8 mm (0.27 in)	103 years	48 of 100 (Notable)
7 December 2017	Bredbyn, SE	daily rain	38.4 mm (1.5 in)	25.0 mm (1.0 in)	10 years	48 of 100 (Notable)
7 December 2017	Pitea, SE	daily rain	25.3 mm (1.0 in)	12.7 mm (0.5 in)	10 years	47 of 100 (Notable)
7 December 2017	Cotulla la Salle Co AP, US	daily rain	33.0 mm (1.3 in)	29.4 mm (1.2 in)	11 years	47 of 100 (Notable)
7 December 2017	Del Rio Intl AP, US	daily rain	28.2 mm (1.1 in)	16.0 mm (0.6 in)	36 years	46 of 100 (Notable)
7 December 2017	Ft Stockton, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	76 years	45 of 100 (Notable)
7 December 2017	Langtry, US	daily rain	25.7 mm (1.0 in)	7.9 mm (0.31 in)	86 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

1801 to 2017

Records set or tied on this calendar date in each year from 1801 to 2017. 2017 had 508 records.

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

Records on 12-07 in each year
Year	Records
1801	1
1805	1
1812	2
1815	1
1825	2
1832	1
1836	1
1839	1
1844	4
1848	3
1852	1
1856	3
1863	1
1866	1
1868	5
1871	5
1875	6
1879	5
1881	1
1884	2
1885	1
1889	1
1890	2
1891	3
1892	1
1893	5
1894	1
1895	1
1896	8
1897	4
1898	10
1899	3
1900	2
1901	9
1902	16
1903	9
1904	7
1905	3
1906	21
1907	4
1908	24
1909	21
1910	26
1911	7
1912	21
1913	19
1914	32
1915	53
1916	36
1917	52
1918	30
1919	38
1920	81
1921	39
1922	272
1923	128
1924	374
1925	119
1926	372
1927	404
1928	105
1929	146
1930	534
1931	180
1932	555
1933	130
1934	274
1935	270
1936	602
1937	890
1938	279
1939	780
1940	145
1941	139
1942	526
1943	199
1944	357
1945	240
1946	855
1947	240
1948	320
1949	187
1950	1,472
1951	1,751
1952	447
1953	673
1954	445
1955	195
1956	1,358
1957	589
1958	831
1959	539
1960	561
1961	206
1962	642
1963	436
1964	467
1965	476
1966	1,047
1967	386
1968	461
1969	952
1970	724
1971	854
1972	2,239
1973	448
1974	508
1975	404
1976	1,037
1977	1,369
1978	1,882
1979	827
1980	1,314
1981	896
1982	542
1983	957
1984	957
1985	922
1986	1,126
1987	866
1988	582
1989	675
1990	744
1991	698
1992	906
1993	544
1994	1,772
1995	912
1996	1,152
1997	818
1998	2,384
1999	674
2000	1,085
2001	743
2002	917
2003	1,184
2004	1,096
2005	1,433
2006	1,246
2007	1,402
2008	833
2009	972
2010	1,405
2011	1,507
2012	643
2013	2,119
2014	479
2015	1,079
2016	389
2017	508
2018	558
2019	447
2020	597
2021	547
2022	579
2023	952
2024	712
2025	665

Download the Data

Data for records on 2017-12-07: 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 2026-10-16 (16 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	427
50 to 100	2
100 to 150	4
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	1