Weather Records on 17 December 2015

1,378 weather records were set or tied worldwide on 17 December 2015. Highest significance: Pembina, US.

Key Facts for 17 December 2015

On 17 December 2015, 1,378 weather records were set or tied at long-record stations worldwide.
933 were record highs and 64 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 104 monthly and 1,273 daily.
Pembina set a daily record snowfall of 20.3 cm (8.0 in) on 17 December 2015.
Across 160 earlier years (1793 to 2025) the same calendar date averaged 457 records.

Record Map

1,378 stations

1,378 station records on 17 December 2015 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 December 2015: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pembina	United States	Record daily snowfall	20.3 cm (8.0 in)	60 of 100 (Major)
Nutwood Downs	Australia	Record daily precipitation	109.8 mm (4.3 in)	59 of 100 (Notable)
N Bend SW Oregon Rgnl AP	United States	Record daily precipitation	80.3 mm (3.2 in)	55 of 100 (Notable)
Chengde	China	Record daily precipitation	30.0 mm (1.2 in)	54 of 100 (Notable)
Baguio	Philippines	Record daily precipitation	93.7 mm (3.7 in)	54 of 100 (Notable)
Otis 2 NE	United States	Record daily precipitation	103.4 mm (4.1 in)	54 of 100 (Notable)
Portland Kgw-Tv	United States	Record daily precipitation	61.5 mm (2.4 in)	54 of 100 (Notable)
Dallesport AP	United States	Record daily precipitation	33.5 mm (1.3 in)	53 of 100 (Notable)
Salem AP (McNary Field)	United States	Record daily precipitation	58.7 mm (2.3 in)	53 of 100 (Notable)
Ft Robinson	United States	Record daily snowfall	15.5 cm (6.1 in)	52 of 100 (Notable)
Grant 5 SE	United States	Record snow depth	22.9 cm (9.0 in)	50 of 100 (Notable)
Jump Off Joe	United States	Record daily precipitation	106.7 mm (4.2 in)	49 of 100 (Notable)
Monticello	United States	Record daily precipitation	48.3 mm (1.9 in)	48 of 100 (Notable)
Grand Marais	United States	Record daily precipitation	31.0 mm (1.2 in)	48 of 100 (Notable)
Bowman Springs	United States	Record daily precipitation	30.5 mm (1.2 in)	48 of 100 (Notable)
Buxton	United Kingdom	Record high maximum temperature	13.7 C (56.7 F)	47 of 100 (Notable)
Thermopolis	United States	Record snow depth	30.5 cm (12.0 in)	47 of 100 (Notable)
Bradford	United Kingdom	Record high minimum temperature	11.6 C (52.9 F)	46 of 100 (Notable)
Long Prairie	United States	Record daily snowfall	9.9 cm (3.9 in)	46 of 100 (Notable)
Long Branch-Oakhurst	United States	Record high minimum temperature	11.1 C (52.0 F)	46 of 100 (Notable)
Moro	United States	Record daily snowfall	7.6 cm (3.0 in)	46 of 100 (Notable)
Blue Mountain Spring	United States	Record daily precipitation	43.2 mm (1.7 in)	46 of 100 (Notable)
Rothamsted	United Kingdom	Record high maximum temperature	14.7 C (58.5 F)	45 of 100 (Notable)
Melville 4 W	United States	Record snow depth	43.2 cm (17.0 in)	45 of 100 (Notable)
Headworks Portland Wtr B	United States	Record daily precipitation	63.5 mm (2.5 in)	45 of 100 (Notable)
Levan	United States	Record snow depth	40.6 cm (16.0 in)	45 of 100 (Notable)
Athens Ben Epps AP	United States	Record daily precipitation	51.1 mm (2.0 in)	45 of 100 (Notable)
Robe Comparison	Australia	Record high maximum temperature	36.1 C (97.0 F)	44 of 100 (Notable)
Holter Dam	United States	Record snow depth	20.3 cm (8.0 in)	44 of 100 (Notable)
Calhoun Falls	United States	Record daily precipitation	49.3 mm (1.9 in)	44 of 100 (Notable)
Clear Lake	United States	Record daily precipitation	53.3 mm (2.1 in)	44 of 100 (Notable)
Timber Creek	Australia	Record daily precipitation	94.2 mm (3.7 in)	43 of 100 (Notable)
Rose Bay (Royal Sydney Golf Cl	Australia	Record daily precipitation	82.0 mm (3.2 in)	43 of 100 (Notable)
Sheffield	United Kingdom	Record high minimum temperature	11.2 C (52.2 F)	43 of 100 (Notable)
Montezuma 2 NW	United States	Record daily precipitation	39.6 mm (1.6 in)	43 of 100 (Notable)
McDermitt	United States	Record snow depth	12.7 cm (5.0 in)	43 of 100 (Notable)
Hamburg	United States	Record high minimum temperature	7.2 C (45.0 F)	43 of 100 (Notable)
New Crescent Lake	United States	Record daily precipitation	61.0 mm (2.4 in)	43 of 100 (Notable)
Newark Liberty Intl AP	United States	Record high minimum temperature	10.0 C (50.0 F)	43 of 100 (Notable)
Portland Intl AP	United States	Record daily precipitation	47.5 mm (1.9 in)	43 of 100 (Notable)
Berlin-Dahlem	Germany	Record high minimum temperature	7.2 C (45.0 F)	42 of 100 (Notable)
Cascade 5 S	United States	Record snow depth	27.9 cm (11.0 in)	42 of 100 (Notable)
Bourne	United States	Record daily precipitation	33.0 mm (1.3 in)	42 of 100 (Notable)
Bartow 1SE	United States	Record high maximum temperature	29.4 C (84.9 F)	41 of 100 (Notable)
Deland 1 SSE	United States	Record high minimum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
E Stroudsburg	United States	Record high minimum temperature	7.8 C (46.0 F)	41 of 100 (Notable)
Skegness	United Kingdom	Record high minimum temperature	11.1 C (52.0 F)	40 of 100 (Notable)
Bay Minette	United States	Record daily precipitation	80.3 mm (3.2 in)	40 of 100 (Notable)
Perryville Wtp	United States	Record high maximum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Mauston 1 SE	United States	Record high maximum temperature	10.0 C (50.0 F)	40 of 100 (Notable)
Newry	Australia	Record daily precipitation	71.0 mm (2.8 in)	39 of 100 (Notable)
Guyra (Gowan Brae)	Australia	Record daily precipitation	53.8 mm (2.1 in)	39 of 100 (Notable)
Glen St Mary 1 W	United States	Record high maximum temperature	28.9 C (84.0 F)	39 of 100 (Notable)
Denio	United States	Record daily snowfall	18.3 cm (7.2 in)	39 of 100 (Notable)
Saltville 1N	United States	Record high maximum temperature	21.1 C (70.0 F)	39 of 100 (Notable)
Daly Lake	United States	Record daily precipitation	68.6 mm (2.7 in)	39 of 100 (Notable)
Brocken	Germany	Record high minimum temperature	4.8 C (40.6 F)	38 of 100 (Notable)
Maastricht	Netherlands	Record high maximum temperature	16.3 C (61.3 F)	38 of 100 (Notable)
Newton Rigg	United Kingdom	Record high minimum temperature	10.7 C (51.3 F)	38 of 100 (Notable)
Newberry-Luce Co Rd Commission	United States	Record high maximum temperature	6.1 C (43.0 F)	38 of 100 (Notable)

Counts by Type and Timescale

1,378 records

Records set or tied on 17 December 2015 by type: Highest daily maximum 443, Lowest daily maximum 25, Highest daily minimum 490, Lowest daily minimum 39, Heaviest daily rainfall 281, Heaviest daily snowfall 42, Deepest snow cover 58.

Records on 17 December 2015 by type
Record type	Records
Highest daily maximum	443
Lowest daily maximum	25
Highest daily minimum	490
Lowest daily minimum	39
Heaviest daily rainfall	281
Heaviest daily snowfall	42
Deepest snow cover	58

Records on 17 December 2015 by timescale: all-time 1, monthly 104, daily 1,273.

How Much Records Were Beaten By

1,188 broken records

Margins by which the 1,188 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 407.0. Ties are not counted.

Top 20 by Significance

17 December 2015

Top 20 records on 17 December 2015 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 December 2015	Pembina, US	daily snowfall	20.3 cm (8.0 in)	11.7 cm (4.6 in)	72 years	60 of 100 (Major)
17 December 2015	Nutwood Downs, AU	daily rain	109.8 mm (4.3 in)	80.1 mm (3.2 in)	37 years	59 of 100 (Notable)
17 December 2015	N Bend SW Oregon Rgnl AP, US	daily rain	80.3 mm (3.2 in)	35.3 mm (1.4 in)	73 years	55 of 100 (Notable)
17 December 2015	Chengde, CN	daily rain	30.0 mm (1.2 in)	27.1 mm (1.1 in)	28 years	54 of 100 (Notable)
17 December 2015	Baguio, PH	daily rain	93.7 mm (3.7 in)	66.8 mm (2.6 in)	60 years	54 of 100 (Notable)
17 December 2015	Otis 2 NE, US	daily rain	103.4 mm (4.1 in)	58.2 mm (2.3 in)	57 years	54 of 100 (Notable)
17 December 2015	Portland Kgw-Tv, US	daily rain	61.5 mm (2.4 in)	43.7 mm (1.7 in)	36 years	54 of 100 (Notable)
17 December 2015	Dallesport AP, US	daily rain	33.5 mm (1.3 in)	22.8 mm (0.9 in)	42 years	53 of 100 (Notable)
17 December 2015	Salem AP (McNary Field), US	daily rain	58.7 mm (2.3 in)	35.6 mm (1.4 in)	36 years	53 of 100 (Notable)
17 December 2015	Ft Robinson, US	daily snowfall	15.5 cm (6.1 in)	7.9 cm (3.1 in)	98 years	52 of 100 (Notable)
17 December 2015	Grant 5 SE, US	daily snow depth	22.9 cm (9.0 in)	7.7 cm (3.0 in)	86 years	50 of 100 (Notable)
17 December 2015	Jump Off Joe, US	daily rain	106.7 mm (4.2 in)	78.8 mm (3.1 in)	22 years	49 of 100 (Notable)
17 December 2015	Monticello, US	daily rain	48.3 mm (1.9 in)	20.1 mm (0.8 in)	84 years	48 of 100 (Notable)
17 December 2015	Grand Marais, US	daily rain	31.0 mm (1.2 in)	13.2 mm (0.5 in)	48 years	48 of 100 (Notable)
17 December 2015	Bowman Springs, US	daily rain	30.5 mm (1.2 in)	20.3 mm (0.8 in)	36 years	48 of 100 (Notable)
17 December 2015	Buxton, GB	monthly high max	13.7 C (56.7 F)	0.4 C (0.7 F)	89 years	47 of 100 (Notable)
17 December 2015	Thermopolis, US	daily snow depth	30.5 cm (12.0 in)	5.1 cm (2.0 in)	105 years	47 of 100 (Notable)
17 December 2015	Bradford, GB	monthly high min	11.6 C (52.9 F)	1.0 C (1.8 F)	82 years	46 of 100 (Notable)
17 December 2015	Long Prairie, US	daily snowfall	9.9 cm (3.9 in)	2.3 cm (0.9 in)	106 years	46 of 100 (Notable)
17 December 2015	Long Branch-Oakhurst, US	daily high min	11.1 C (52.0 F)	3.3 C (5.9 F)	104 years	46 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 2015

Records set or tied on this calendar date in each year from 1793 to 2015. 2015 had 1,378 records.

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

Records on 12-17 in each year
Year	Records
1793	2
1796	1
1806	2
1808	2
1814	1
1815	1
1839	1
1845	1
1846	4
1847	1
1848	1
1859	3
1866	1
1867	1
1868	1
1869	2
1873	2
1876	3
1877	2
1878	1
1879	2
1881	2
1885	1
1886	1
1888	2
1889	2
1890	4
1892	4
1893	2
1894	4
1895	3
1896	4
1897	4
1898	2
1899	1
1900	6
1901	5
1902	47
1903	2
1904	14
1905	2
1906	17
1907	9
1908	13
1909	5
1910	37
1911	12
1912	15
1913	21
1914	17
1915	31
1916	21
1917	21
1918	21
1919	109
1920	97
1921	94
1922	120
1923	170
1924	505
1925	79
1926	172
1927	143
1928	359
1929	221
1930	362
1931	217
1932	684
1933	710
1934	200
1935	87
1936	504
1937	379
1938	118
1939	1,126
1940	248
1941	261
1942	507
1943	444
1944	189
1945	621
1946	207
1947	258
1948	316
1949	296
1950	294
1951	773
1952	277
1953	283
1954	409
1955	419
1956	448
1957	686
1958	540
1959	548
1960	492
1961	911
1962	676
1963	531
1964	1,239
1965	482
1966	516
1967	1,121
1968	338
1969	238
1970	820
1971	781
1972	601
1973	1,016
1974	390
1975	474
1976	507
1977	1,024
1978	710
1979	951
1980	1,116
1981	1,354
1982	569
1983	1,264
1984	1,618
1985	1,210
1986	743
1987	1,191
1988	481
1989	2,905
1990	866
1991	577
1992	1,461
1993	761
1994	685
1995	956
1996	1,212
1997	1,279
1998	695
1999	901
2000	1,566
2001	1,262
2002	858
2003	751
2004	554
2005	806
2006	1,307
2007	1,100
2008	1,354
2009	926
2010	1,405
2011	430
2012	942
2013	718
2014	370
2015	1,378
2016	1,521
2017	408
2018	498
2019	917
2020	768
2021	908
2022	595
2023	931
2024	560
2025	1,198

Download the Data

Data for records on 2015-12-17: 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 100	1,178
100 to 200	9
200 to 300	0
300 to 400	0
400 to 500	1