Weather Records on 31 December 2017

1,589 weather records were set or tied worldwide on 31 December 2017. Highest significance: Big Timber, US.

Key Facts for 31 December 2017

On 31 December 2017, 1,589 weather records were set or tied at long-record stations worldwide.
738 were record highs and 602 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 35 monthly and 1,548 daily.
Big Timber set a daily record snow depth of 63.5 cm (25.0 in) on 31 December 2017.
Across 157 earlier years (1797 to 2025) the same calendar date averaged 480 records.

Record Map

1,589 stations

1,589 station records on 31 December 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 December 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Big Timber	United States	Record snow depth	63.5 cm (25.0 in)	72 of 100 (Major)
Rogers Pass 9 NNE	United States	Record daily precipitation	58.7 mm (2.3 in)	69 of 100 (Major)
Sarpsborg	Norway	Record daily precipitation	34.0 mm (1.3 in)	66 of 100 (Major)
Brockway 3 WSW	United States	Record daily snowfall	22.9 cm (9.0 in)	57 of 100 (Notable)
Sektagli	Russia	Record high minimum temperature	-11.5 C (11.3 F)	50 of 100 (Notable)
Marshall	United States	Record low maximum temperature	-28.3 C (-18.9 F)	50 of 100 (Notable)
Billings Wtp	United States	Record snow depth	38.1 cm (15.0 in)	49 of 100 (Notable)
Brockway 3 WSW	United States	Record snow depth	22.9 cm (9.0 in)	49 of 100 (Notable)
Rock Is L&D 15	United States	Record low minimum temperature	-24.4 C (-11.9 F)	48 of 100 (Notable)
Whitestown	United States	Record low maximum temperature	-14.4 C (6.1 F)	48 of 100 (Notable)
Choteau	United States	Record snow depth	40.6 cm (16.0 in)	48 of 100 (Notable)
Harlowton	United States	Record snow depth	35.6 cm (14.0 in)	47 of 100 (Notable)
Fulton	United States	Record daily snowfall	20.8 cm (8.2 in)	47 of 100 (Notable)
Richardton Abbey	United States	Record low minimum temperature	-37.8 C (-36.0 F)	47 of 100 (Notable)
Susanville 2SW	United States	Record high maximum temperature	17.2 C (63.0 F)	46 of 100 (Notable)
Laporte	United States	Record snow depth	71.1 cm (28.0 in)	46 of 100 (Notable)
Hinsdale 4 SW	United States	Record snow depth	33.0 cm (13.0 in)	46 of 100 (Notable)
Meeker	United States	Record high maximum temperature	15.6 C (60.1 F)	45 of 100 (Notable)
Monmouth	United States	Record low maximum temperature	-15.6 C (3.9 F)	45 of 100 (Notable)
Whitestown	United States	Record low minimum temperature	-25.6 C (-14.1 F)	45 of 100 (Notable)
Huron Rgnl AP	United States	Record low minimum temperature	-34.9 C (-30.8 F)	45 of 100 (Notable)
Fichtelberg	Germany	Record high minimum temperature	1.9 C (35.4 F)	44 of 100 (Notable)
Elgin Water	United States	Record low maximum temperature	-15.6 C (3.9 F)	44 of 100 (Notable)
Spirit Lake	United States	Record low maximum temperature	-19.4 C (-2.9 F)	44 of 100 (Notable)
Charlevoix	United States	Record low minimum temperature	-18.9 C (-2.0 F)	44 of 100 (Notable)
Vanderbilt 11ENE	United States	Record low maximum temperature	-14.4 C (6.1 F)	44 of 100 (Notable)
Colstrip	United States	Record daily snowfall	12.7 cm (5.0 in)	44 of 100 (Notable)
Duchesne	United States	Record high maximum temperature	12.2 C (54.0 F)	44 of 100 (Notable)
Sandakan	Malaysia	Record daily precipitation	178.3 mm (7.0 in)	43 of 100 (Notable)
Keosauqua	United States	Record low maximum temperature	-16.1 C (3.0 F)	43 of 100 (Notable)
Grayling	United States	Record low maximum temperature	-13.9 C (7.0 F)	43 of 100 (Notable)
Minot Exp STN	United States	Record low maximum temperature	-29.4 C (-20.9 F)	43 of 100 (Notable)
Morgantown L&D	United States	Record daily snowfall	6.4 cm (2.5 in)	43 of 100 (Notable)
Palmerville	Australia	Record high maximum temperature	40.4 C (104.7 F)	42 of 100 (Notable)
Hamburg Fuhlsbuettel	Germany	Record high maximum temperature	11.6 C (52.9 F)	42 of 100 (Notable)
Angermunde	Germany	Record high maximum temperature	11.2 C (52.2 F)	42 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record high maximum temperature	13.7 C (56.7 F)	42 of 100 (Notable)
Bernburg/Saale (Nord)	Germany	Record high maximum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Trier-Zewen	Germany	Record high minimum temperature	10.3 C (50.5 F)	42 of 100 (Notable)
Waren	Germany	Record high maximum temperature	11.3 C (52.3 F)	42 of 100 (Notable)
Lichtentanne	Germany	Record high maximum temperature	11.8 C (53.2 F)	42 of 100 (Notable)
Prescott	United States	Record high maximum temperature	21.7 C (71.1 F)	42 of 100 (Notable)
Tombstone	United States	Record high maximum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Shoshone	United States	Record high maximum temperature	10.6 C (51.1 F)	42 of 100 (Notable)
Rushville	United States	Record low maximum temperature	-9.4 C (15.1 F)	42 of 100 (Notable)
Washington 1 W	United States	Record low maximum temperature	-9.4 C (15.1 F)	42 of 100 (Notable)
Middleboro	United States	Record low maximum temperature	-8.3 C (17.1 F)	42 of 100 (Notable)
Milesville 5 NE	United States	Record low maximum temperature	-23.3 C (-9.9 F)	42 of 100 (Notable)
Escalante	United States	Record high maximum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Kremsmuenster	Austria	Record high maximum temperature	13.4 C (56.1 F)	41 of 100 (Notable)
Bremen-Seefahrtschule	Germany	Record high maximum temperature	12.6 C (54.7 F)	41 of 100 (Notable)
Potsdam	Germany	Record high maximum temperature	11.9 C (53.4 F)	41 of 100 (Notable)
Jena Sternwarte	Germany	Record high minimum temperature	8.8 C (47.8 F)	41 of 100 (Notable)
Greifswald	Germany	Record high maximum temperature	11.3 C (52.3 F)	41 of 100 (Notable)
Magdeburg	Germany	Record high maximum temperature	13.1 C (55.6 F)	41 of 100 (Notable)
Kirchdorf/Poel	Germany	Record high maximum temperature	11.0 C (51.8 F)	41 of 100 (Notable)
Rotterdam	Netherlands	Record daily precipitation	25.3 mm (1.0 in)	41 of 100 (Notable)
Denison	United States	Record low maximum temperature	-20.0 C (-4.0 F)	41 of 100 (Notable)
Mt Ayr	United States	Record low minimum temperature	-24.4 C (-11.9 F)	41 of 100 (Notable)
Estancia 4N	United States	Record high maximum temperature	20.0 C (68.0 F)	41 of 100 (Notable)

Counts by Type and Timescale

1,589 records

Records set or tied on 31 December 2017 by type: Highest daily maximum 473, Lowest daily maximum 443, Highest daily minimum 265, Lowest daily minimum 159, Heaviest daily rainfall 150, Heaviest daily snowfall 44, Deepest snow cover 55.

Records on 31 December 2017 by type
Record type	Records
Highest daily maximum	473
Lowest daily maximum	443
Highest daily minimum	265
Lowest daily minimum	159
Heaviest daily rainfall	150
Heaviest daily snowfall	44
Deepest snow cover	55

Records on 31 December 2017 by timescale: all-time 6, monthly 35, daily 1,548.

How Much Records Were Beaten By

1,376 broken records

Margins by which the 1,376 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 432.0. Ties are not counted.

Top 20 by Significance

31 December 2017

Top 20 records on 31 December 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 December 2017	Big Timber, US	daily snow depth	63.5 cm (25.0 in)	43.2 cm (17.0 in)	76 years	72 of 100 (Major)
31 December 2017	Rogers Pass 9 NNE, US	monthly rain	58.7 mm (2.3 in)	20.6 mm (0.8 in)	49 years	69 of 100 (Major)
31 December 2017	Sarpsborg, NO	daily rain	34.0 mm (1.3 in)	16.6 mm (0.7 in)	98 years	66 of 100 (Major)
31 December 2017	Brockway 3 WSW, US	all-time snowfall	22.9 cm (9.0 in)	7.7 cm (3.0 in)	57 years	57 of 100 (Notable)
31 December 2017	Sektagli, RU	daily high min	-11.5 C (11.3 F)	16.3 C (29.3 F)	66 years	50 of 100 (Notable)
31 December 2017	Marshall, US	all-time low max	-28.3 C (-18.9 F)	0.5 C (0.9 F)	74 years	50 of 100 (Notable)
31 December 2017	Billings Wtp, US	daily snow depth	38.1 cm (15.0 in)	12.7 cm (5.0 in)	72 years	49 of 100 (Notable)
31 December 2017	Brockway 3 WSW, US	all-time snow depth	22.9 cm (9.0 in)	7.7 cm (3.0 in)	57 years	49 of 100 (Notable)
31 December 2017	Rock Is L&D 15, US	daily low min	-24.4 C (-11.9 F)	5.5 C (9.9 F)	142 years	48 of 100 (Notable)
31 December 2017	Whitestown, US	daily low max	-14.4 C (6.1 F)	5.5 C (9.9 F)	100 years	48 of 100 (Notable)
31 December 2017	Choteau, US	daily snow depth	40.6 cm (16.0 in)	17.7 cm (7.0 in)	48 years	48 of 100 (Notable)
31 December 2017	Harlowton, US	daily snow depth	35.6 cm (14.0 in)	12.7 cm (5.0 in)	66 years	47 of 100 (Notable)
31 December 2017	Fulton, US	daily snowfall	20.8 cm (8.2 in)	13.2 cm (5.2 in)	68 years	47 of 100 (Notable)
31 December 2017	Richardton Abbey, US	monthly low min	-37.8 C (-36.0 F)	0.6 C (1.1 F)	93 years	47 of 100 (Notable)
31 December 2017	Susanville 2SW, US	daily high max	17.2 C (63.0 F)	2.8 C (5.0 F)	100 years	46 of 100 (Notable)
31 December 2017	Laporte, US	daily snow depth	71.1 cm (28.0 in)	35.5 cm (14.0 in)	20 years	46 of 100 (Notable)
31 December 2017	Hinsdale 4 SW, US	daily snow depth	33.0 cm (13.0 in)	20.3 cm (8.0 in)	28 years	46 of 100 (Notable)
31 December 2017	Meeker, US	daily high max	15.6 C (60.1 F)	2.8 C (5.0 F)	100 years	45 of 100 (Notable)
31 December 2017	Monmouth, US	daily low max	-15.6 C (3.9 F)	3.4 C (6.1 F)	118 years	45 of 100 (Notable)
31 December 2017	Whitestown, US	daily low min	-25.6 C (-14.1 F)	3.4 C (6.1 F)	115 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

1797 to 2017

Records set or tied on this calendar date in each year from 1797 to 2017. 2017 had 1,589 records.

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

Records on 12-31 in each year
Year	Records
1797	1
1799	2
1826	1
1836	1
1842	2
1850	3
1853	1
1854	1
1859	1
1860	1
1867	1
1870	2
1872	2
1874	4
1875	2
1876	2
1878	2
1879	2
1880	2
1882	1
1884	2
1885	1
1886	3
1887	1
1888	2
1890	2
1891	8
1892	4
1895	4
1897	6
1898	5
1899	4
1900	3
1901	16
1902	3
1903	3
1904	11
1905	9
1906	31
1907	11
1908	7
1909	5
1910	25
1911	14
1912	17
1913	46
1914	34
1915	32
1916	25
1917	239
1918	24
1919	38
1920	64
1921	130
1922	83
1923	280
1924	113
1925	183
1926	77
1927	491
1928	53
1929	224
1930	58
1931	543
1932	394
1933	409
1934	181
1935	309
1936	567
1937	500
1938	247
1939	298
1940	467
1941	159
1942	352
1943	159
1944	259
1945	210
1946	707
1947	461
1948	591
1949	384
1950	310
1951	1,421
1952	377
1953	410
1954	286
1955	429
1956	216
1957	724
1958	584
1959	414
1960	389
1961	309
1962	810
1963	1,015
1964	388
1965	1,371
1966	326
1967	1,023
1968	1,371
1969	825
1970	579
1971	568
1972	836
1973	1,370
1974	590
1975	791
1976	1,306
1977	641
1978	2,791
1979	448
1980	1,448
1981	786
1982	639
1983	2,220
1984	942
1985	593
1986	616
1987	845
1988	600
1989	506
1990	1,379
1991	703
1992	1,062
1993	718
1994	878
1995	1,151
1996	2,202
1997	988
1998	739
1999	524
2000	1,575
2001	748
2002	1,232
2003	523
2004	1,278
2005	959
2006	2,089
2007	652
2008	656
2009	867
2010	1,544
2011	739
2012	803
2013	606
2014	903
2015	748
2016	678
2017	1,589
2018	620
2019	593
2020	489
2021	1,739
2022	1,497
2023	474
2024	460
2025	760

Download the Data

Data for records on 2017-12-31: 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	1,362
100 to 200	11
200 to 300	1
300 to 400	1
400 to 500	1