Weather Records on 14 December 1917

55 weather records were set or tied worldwide on 14 December 1917. Highest significance: Somerville 4 NW, US.

Key Facts for 14 December 1917

On 14 December 1917, 55 weather records were set or tied at long-record stations worldwide.
4 were record highs and 17 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 54 daily.
Somerville 4 NW set a daily record snowfall of 27.9 cm (11.0 in) on 14 December 1917.
Across 164 earlier years (1796 to 2025) the same calendar date averaged 457 records.

Record Map

55 stations

55 station records on 14 December 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 14 December 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Somerville 4 NW	United States	Record daily snowfall	27.9 cm (11.0 in)	45 of 100 (Notable)
Port Jervis	United States	Record daily snowfall	36.8 cm (14.5 in)	40 of 100 (Notable)
Thornborough	Australia	Record daily precipitation	66.0 mm (2.6 in)	31 of 100 (Routine)
Curraweena	Australia	Record daily precipitation	29.0 mm (1.1 in)	31 of 100 (Routine)
Bowen Post Office	Australia	Record daily precipitation	86.4 mm (3.4 in)	29 of 100 (Routine)
Normanton Post Office	Australia	Record daily precipitation	53.3 mm (2.1 in)	23 of 100 (Routine)
Gorlitz	Germany	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
West Terschelling	Netherlands	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record high minimum temperature	-5.4 C (22.3 F)	20 of 100 (Routine)
Mackay Post Office	Australia	Record daily precipitation	55.1 mm (2.2 in)	18 of 100 (Routine)
New Westminster	Canada	Record high minimum temperature	6.7 C (44.1 F)	18 of 100 (Routine)
Greenville Dwtn AP	United States	Record low maximum temperature	-2.8 C (27.0 F)	18 of 100 (Routine)
Karumba Pilot Station	Australia	Record daily precipitation	31.0 mm (1.2 in)	17 of 100 (Routine)
White Cliffs (Yancannia)	Australia	Record daily precipitation	2.3 mm (0.09 in)	17 of 100 (Routine)
Newark Liberty Intl AP	United States	Record daily snowfall	20.3 cm (8.0 in)	17 of 100 (Routine)
Wiarton	Canada	Record daily snowfall	20.3 cm (8.0 in)	16 of 100 (Routine)
Greenville Dwtn AP	United States	Record low minimum temperature	-13.3 C (8.1 F)	16 of 100 (Routine)
Minnedosa	Canada	Record low maximum temperature	-23.3 C (-9.9 F)	15 of 100 (Routine)
Stony Mountain	Canada	Record low minimum temperature	-35.6 C (-32.1 F)	15 of 100 (Routine)
Wiarton	Canada	Record daily precipitation	20.3 mm (0.8 in)	15 of 100 (Routine)
Lexington Bluegrass AP	United States	Record low maximum temperature	-11.1 C (12.0 F)	14 of 100 (Routine)
Cudgewa North	Australia	Record daily precipitation	15.2 mm (0.6 in)	13 of 100 (Routine)
Moose Factory	Canada	Record low minimum temperature	-35.6 C (-32.1 F)	13 of 100 (Routine)
Marrar (Centenary Drive)	Australia	Record daily precipitation	15.2 mm (0.6 in)	12 of 100 (Routine)
World Trade Ctr	United States	Record daily snowfall	17.3 cm (6.8 in)	12 of 100 (Routine)
Chattanooga Wb City	United States	Record low minimum temperature	-12.8 C (9.0 F)	12 of 100 (Routine)
Portland	United States	Record daily precipitation	44.2 mm (1.7 in)	11 of 100 (Routine)
Bic	Canada	Record daily precipitation	12.7 mm (0.5 in)	10 of 100 (Routine)
Galway	Ireland	Record low minimum temperature	-3.9 C (25.0 F)	10 of 100 (Routine)
Darwin Post Office	Australia	Record low maximum temperature	29.2 C (84.6 F)	9 of 100 (Routine)
Burdekin Shire Council	Australia	Record daily precipitation	32.0 mm (1.3 in)	9 of 100 (Routine)
Medicine Hat A	Canada	Record daily precipitation	7.9 mm (0.31 in)	9 of 100 (Routine)
Medicine Hat A	Canada	Record daily snowfall	7.9 cm (3.1 in)	9 of 100 (Routine)
Qu'appelle	Canada	Record low minimum temperature	-37.8 C (-36.0 F)	9 of 100 (Routine)
Bic	Canada	Record daily snowfall	12.7 cm (5.0 in)	9 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record low maximum temperature	-25.0 C (-13.0 F)	9 of 100 (Routine)
Northfield	United States	Record daily precipitation	14.5 mm (0.6 in)	9 of 100 (Routine)
Washington	United States	Record daily snowfall	2.5 cm (1.0 in)	9 of 100 (Routine)
Charters Towers Post Office	Australia	Record daily precipitation	17.3 mm (0.7 in)	8 of 100 (Routine)
St Albans	Canada	Record low minimum temperature	-37.2 C (-35.0 F)	8 of 100 (Routine)
Anticosti West Point	Canada	Record daily precipitation	15.2 mm (0.6 in)	8 of 100 (Routine)
Anticosti West Point	Canada	Record daily snowfall	15.2 cm (6.0 in)	8 of 100 (Routine)
Aleksandrovsk-Sahalinskij	Russia	Record daily precipitation	6.8 mm (0.27 in)	8 of 100 (Routine)
Portland	United States	Record daily snowfall	18.0 cm (7.1 in)	8 of 100 (Routine)
Minnedosa	Canada	Record low minimum temperature	-37.2 C (-35.0 F)	7 of 100 (Routine)
Wrixum/Fohr	Germany	Record daily precipitation	7.7 mm (0.30 in)	7 of 100 (Routine)
Concordia ASOS	United States	Record low maximum temperature	-14.4 C (6.1 F)	7 of 100 (Routine)
Port Jervis	United States	Record daily precipitation	43.4 mm (1.7 in)	6 of 100 (Routine)
Moose Factory	Canada	Record low maximum temperature	-23.9 C (-11.0 F)	4 of 100 (Routine)
Kristianstad	Sweden	Record high minimum temperature	4.5 C (40.1 F)	3 of 100 (Routine)
Jonkoping	Sweden	Record high minimum temperature	3.0 C (37.4 F)	2 of 100 (Routine)
Somerville 4 NW	United States	Record daily precipitation	48.3 mm (1.9 in)	2 of 100 (Routine)
Little Rock St Capitol	United States	Record low minimum temperature	-11.1 C (12.0 F)	1 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record low maximum temperature	-17.2 C (1.0 F)	1 of 100 (Routine)
Guelph Oac	Canada	Record daily snowfall	10.2 cm (4.0 in)	0 of 100 (Routine)

Counts by Type and Timescale

55 records

Records set or tied on 14 December 1917 by type: Lowest daily maximum 8, Highest daily minimum 4, Lowest daily minimum 9, Heaviest daily rainfall 23, Heaviest daily snowfall 11.

Records on 14 December 1917 by type
Record type	Records
Highest daily maximum	0
Lowest daily maximum	8
Highest daily minimum	4
Lowest daily minimum	9
Heaviest daily rainfall	23
Heaviest daily snowfall	11
Deepest snow cover	0

Records on 14 December 1917 by timescale: all-time 0, monthly 1, daily 54.

How Much Records Were Beaten By

49 broken records

Margins by which the 49 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 228.0. Ties are not counted.

Top 20 by Significance

14 December 1917

Top 20 records on 14 December 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
14 December 1917	Somerville 4 NW, US	daily snowfall	27.9 cm (11.0 in)	22.8 cm (9.0 in)	10 years	45 of 100 (Notable)
14 December 1917	Port Jervis, US	daily snowfall	36.8 cm (14.5 in)	21.6 cm (8.5 in)	23 years	40 of 100 (Notable)
14 December 1917	Thornborough, AU	daily rain	66.0 mm (2.6 in)	39.8 mm (1.6 in)	22 years	31 of 100 (Routine)
14 December 1917	Curraweena, AU	daily rain	29.0 mm (1.1 in)	29.0 mm (1.1 in)	35 years	31 of 100 (Routine)
14 December 1917	Bowen Post Office, AU	daily rain	86.4 mm (3.4 in)	59.7 mm (2.4 in)	0 years	29 of 100 (Routine)
14 December 1917	Normanton Post Office, AU	daily rain	53.3 mm (2.1 in)	36.8 mm (1.4 in)	22 years	23 of 100 (Routine)
14 December 1917	Gorlitz, DE	daily rain	15.2 mm (0.6 in)	6.1 mm (0.24 in)	4 years	20 of 100 (Routine)
14 December 1917	West Terschelling, NL	daily rain	18.3 mm (0.7 in)	3.4 mm (0.13 in)	33 years	20 of 100 (Routine)
14 December 1917	Nikolaevsk-Na-Amure, RU	daily high min	-5.4 C (22.3 F)	6.5 C (11.7 F)	29 years	20 of 100 (Routine)
14 December 1917	Mackay Post Office, AU	daily rain	55.1 mm (2.2 in)	22.6 mm (0.9 in)	29 years	18 of 100 (Routine)
14 December 1917	New Westminster, CA	daily high min	6.7 C (44.1 F)	1.1 C (2.0 F)	39 years	18 of 100 (Routine)
14 December 1917	Greenville Dwtn AP, US	monthly low max	-2.8 C (27.0 F)	0.6 C (1.1 F)	15 years	18 of 100 (Routine)
14 December 1917	Karumba Pilot Station, AU	daily rain	31.0 mm (1.2 in)	21.6 mm (0.9 in)	14 years	17 of 100 (Routine)
14 December 1917	White Cliffs (Yancannia), AU	daily rain	2.3 mm (0.09 in)	2.3 mm (0.09 in)	39 years	17 of 100 (Routine)
14 December 1917	Newark Liberty Intl AP, US	daily snowfall	20.3 cm (8.0 in)	7.6 cm (3.0 in)	2 years	17 of 100 (Routine)
14 December 1917	Wiarton, CA	daily snowfall	20.3 cm (8.0 in)	2.5 cm (1.0 in)	32 years	16 of 100 (Routine)
14 December 1917	Greenville Dwtn AP, US	daily low min	-13.3 C (8.1 F)	3.9 C (7.0 F)	18 years	16 of 100 (Routine)
14 December 1917	Minnedosa, CA	daily low max	-23.3 C (-9.9 F)	1.6 C (2.9 F)	35 years	15 of 100 (Routine)
14 December 1917	Stony Mountain, CA	daily low min	-35.6 C (-32.1 F)	0.6 C (1.1 F)	37 years	15 of 100 (Routine)
14 December 1917	Wiarton, CA	daily rain	20.3 mm (0.8 in)	2.5 mm (0.10 in)	32 years	15 of 100 (Routine)

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 1917

Records set or tied on this calendar date in each year from 1796 to 1917. 1917 had 55 records.

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

Records on 12-14 in each year
Year	Records
1796	1
1806	1
1808	4
1814	1
1825	2
1831	1
1835	1
1840	2
1846	2
1847	1
1848	1
1849	1
1852	1
1855	3
1863	1
1867	2
1868	1
1870	1
1871	1
1872	1
1878	4
1879	2
1880	3
1881	3
1882	1
1886	2
1887	1
1888	2
1889	2
1890	1
1891	4
1892	2
1893	4
1894	4
1895	1
1896	3
1897	7
1898	3
1899	11
1900	3
1901	20
1902	10
1903	11
1904	12
1905	2
1906	7
1907	22
1908	10
1909	14
1910	14
1911	13
1912	41
1913	9
1914	85
1915	99
1916	96
1917	55
1918	97
1919	29
1920	67
1921	52
1922	112
1923	255
1924	238
1925	319
1926	206
1927	384
1928	332
1929	410
1930	92
1931	418
1932	260
1933	571
1934	141
1935	158
1936	384
1937	325
1938	81
1939	182
1940	237
1941	433
1942	323
1943	331
1944	243
1945	415
1946	397
1947	490
1948	818
1949	139
1950	305
1951	724
1952	382
1953	370
1954	225
1955	388
1956	443
1957	244
1958	814
1959	294
1960	654
1961	823
1962	886
1963	663
1964	337
1965	610
1966	483
1967	959
1968	337
1969	498
1970	174
1971	864
1972	907
1973	628
1974	328
1975	2,092
1976	445
1977	1,023
1978	389
1979	709
1980	774
1981	1,031
1982	496
1983	1,197
1984	1,862
1985	1,400
1986	397
1987	1,317
1988	674
1989	2,058
1990	629
1991	1,098
1992	1,308
1993	954
1994	558
1995	1,331
1996	832
1997	1,401
1998	1,227
1999	793
2000	1,950
2001	1,391
2002	863
2003	978
2004	738
2005	845
2006	1,445
2007	636
2008	1,319
2009	848
2010	1,891
2011	867
2012	938
2013	565
2014	1,046
2015	2,200
2016	650
2017	563
2018	699
2019	588
2020	551
2021	763
2022	1,028
2023	619
2024	363
2025	1,772

Download the Data

Data for records on 1917-12-14: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 50	44
50 to 100	3
100 to 150	0
150 to 200	0
200 to 250	2