Weather Records on 8 December 1917

106 weather records were set or tied worldwide on 8 December 1917. Highest significance: Toronto, CA.

Key Facts for 8 December 1917

On 8 December 1917, 106 weather records were set or tied at long-record stations worldwide.
10 were record highs and 22 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 105 daily.
Toronto set a daily record snowfall of 20.3 cm (8.0 in) on 8 December 1917.
Across 151 earlier years (1796 to 2025) the same calendar date averaged 517 records.

Record Map

106 stations

106 station records on 8 December 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 8 December 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Toronto	Canada	Record daily snowfall	20.3 cm (8.0 in)	48 of 100 (Notable)
Port Dover	Canada	Record daily snowfall	20.6 cm (8.1 in)	42 of 100 (Notable)
Cornalla	Australia	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Georgetown	Canada	Record daily snowfall	21.6 cm (8.5 in)	38 of 100 (Notable)
Little Rock St Capitol	United States	Record daily snowfall	8.9 cm (3.5 in)	37 of 100 (Notable)
Port Stanley	Canada	Record daily snowfall	20.3 cm (8.0 in)	36 of 100 (Notable)
World Trade Ctr	United States	Record daily precipitation	35.8 mm (1.4 in)	31 of 100 (Routine)
Newark Liberty Intl AP	United States	Record daily snowfall	11.4 cm (4.5 in)	31 of 100 (Routine)
Ny City Cntrl Park	United States	Record daily precipitation	39.1 mm (1.5 in)	31 of 100 (Routine)
Concord	United States	Record daily snowfall	12.7 cm (5.0 in)	30 of 100 (Routine)
Welland	Canada	Record daily snowfall	24.1 cm (9.5 in)	29 of 100 (Routine)
Malvern	United States	Record daily snowfall	10.2 cm (4.0 in)	29 of 100 (Routine)
Chaplin	Canada	Record daily snowfall	7.6 cm (3.0 in)	26 of 100 (Routine)
Woodstock	Canada	Record daily snowfall	14.0 cm (5.5 in)	26 of 100 (Routine)
Thomas River (Sar)	South Africa	Record daily precipitation	26.2 mm (1.0 in)	25 of 100 (Routine)
Aurora	Canada	Record daily snowfall	15.2 cm (6.0 in)	24 of 100 (Routine)
Little Rock St Capitol	United States	Record low minimum temperature	-12.8 C (9.0 F)	21 of 100 (Routine)
Buffalo	United States	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Port Stanley	Canada	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Cape May 2 NW	United States	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Chaplin	Canada	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Newark Liberty Intl AP	United States	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Baltimore Customs House	United States	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Groongal (Groongal Station)	Australia	Record daily precipitation	6.4 mm (0.25 in)	20 of 100 (Routine)
Wunnamurra	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Lexington Bluegrass AP	United States	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Medicine Hat A	Canada	Record daily snowfall	10.4 cm (4.1 in)	20 of 100 (Routine)
Alton	Canada	Record daily snowfall	15.2 cm (6.0 in)	20 of 100 (Routine)
Malvern	United States	Record snow depth	10.2 cm (4.0 in)	20 of 100 (Routine)
Houston Wb City	United States	Record low maximum temperature	3.9 C (39.0 F)	20 of 100 (Routine)
Medicine Hat A	Canada	Record daily precipitation	10.4 mm (0.4 in)	19 of 100 (Routine)
Orillia	Canada	Record daily snowfall	15.2 cm (6.0 in)	19 of 100 (Routine)
Alton	Canada	Record daily precipitation	15.2 mm (0.6 in)	19 of 100 (Routine)
Cobar (Paddington)	Australia	Record daily precipitation	3.8 mm (0.15 in)	18 of 100 (Routine)
Oudtshoorn	South Africa	Record daily precipitation	2.3 mm (0.09 in)	18 of 100 (Routine)
Lawrence	United States	Record daily precipitation	1.3 mm (0.05 in)	18 of 100 (Routine)
Lake Cochituate	United States	Record daily precipitation	17.5 mm (0.7 in)	17 of 100 (Routine)
State College	United States	Record daily snowfall	17.8 cm (7.0 in)	17 of 100 (Routine)
Broken Hill (Nuntherungie)	Australia	Record daily precipitation	2.8 mm (0.11 in)	16 of 100 (Routine)
Roto (Coombie)	Australia	Record daily precipitation	7.6 mm (0.30 in)	16 of 100 (Routine)
Aurora	Canada	Record daily precipitation	15.2 mm (0.6 in)	16 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	21.6 mm (0.9 in)	16 of 100 (Routine)
Peterborough	Canada	Record daily snowfall	12.7 cm (5.0 in)	16 of 100 (Routine)
Hingham (1)	United States	Record daily precipitation	19.6 mm (0.8 in)	16 of 100 (Routine)
Dubuque River	United States	Record low minimum temperature	-23.3 C (-9.9 F)	16 of 100 (Routine)
Lexington Bluegrass AP	United States	Record low minimum temperature	-20.0 C (-4.0 F)	16 of 100 (Routine)
Booreegamma	Australia	Record daily precipitation	8.9 mm (0.35 in)	15 of 100 (Routine)
Simferopol	Ukraine	Record low minimum temperature	-15.0 C (5.0 F)	15 of 100 (Routine)
World Trade Ctr	United States	Record daily snowfall	5.1 cm (2.0 in)	15 of 100 (Routine)
Atlantic City Marina	United States	Record daily precipitation	14.5 mm (0.6 in)	15 of 100 (Routine)
Cunnamulla Post Office	Australia	Record daily precipitation	10.2 mm (0.4 in)	14 of 100 (Routine)
Enngonia (Belalie)	Australia	Record daily precipitation	8.9 mm (0.35 in)	14 of 100 (Routine)
Kei Road (Pol)	South Africa	Record daily precipitation	20.3 mm (0.8 in)	14 of 100 (Routine)
Queenstown	South Africa	Record daily precipitation	17.0 mm (0.7 in)	14 of 100 (Routine)
Buffalo	United States	Record daily snowfall	17.8 cm (7.0 in)	14 of 100 (Routine)
Setauket Strong	United States	Record daily precipitation	24.4 mm (1.0 in)	14 of 100 (Routine)
Chattanooga Wb City	United States	Record daily snowfall	0.5 cm (0.2 in)	14 of 100 (Routine)
Ny City Cntrl Park	United States	Record daily snowfall	5.1 cm (2.0 in)	14 of 100 (Routine)
Lindsay	Canada	Record daily snowfall	6.6 cm (2.6 in)	13 of 100 (Routine)

Counts by Type and Timescale

106 records

Records set or tied on 8 December 1917 by type: Highest daily maximum 3, Lowest daily maximum 9, Highest daily minimum 7, Lowest daily minimum 13, Heaviest daily rainfall 46, Heaviest daily snowfall 27, Deepest snow cover 1.

Records on 8 December 1917 by type
Record type	Records
Highest daily maximum	3
Lowest daily maximum	9
Highest daily minimum	7
Lowest daily minimum	13
Heaviest daily rainfall	46
Heaviest daily snowfall	27
Deepest snow cover	1

Records on 8 December 1917 by timescale: all-time 0, monthly 1, daily 105.

How Much Records Were Beaten By

94 broken records

Margins by which the 94 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 177.0. Ties are not counted.

Top 20 by Significance

8 December 1917

Top 20 records on 8 December 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
8 December 1917	Toronto, CA	daily snowfall	20.3 cm (8.0 in)	11.4 cm (4.5 in)	54 years	48 of 100 (Notable)
8 December 1917	Port Dover, CA	daily snowfall	20.6 cm (8.1 in)	13.5 cm (5.3 in)	7 years	42 of 100 (Notable)
8 December 1917	Cornalla, AU	daily rain	38.1 mm (1.5 in)	27.7 mm (1.1 in)	26 years	39 of 100 (Notable)
8 December 1917	Georgetown, CA	daily snowfall	21.6 cm (8.5 in)	14.0 cm (5.5 in)	11 years	38 of 100 (Notable)
8 December 1917	Little Rock St Capitol, US	daily snowfall	8.9 cm (3.5 in)	8.9 cm (3.5 in)	41 years	37 of 100 (Notable)
8 December 1917	Port Stanley, CA	daily snowfall	20.3 cm (8.0 in)	12.4 cm (4.9 in)	11 years	36 of 100 (Notable)
8 December 1917	World Trade Ctr, US	daily rain	35.8 mm (1.4 in)	21.8 mm (0.9 in)	24 years	31 of 100 (Routine)
8 December 1917	Newark Liberty Intl AP, US	daily snowfall	11.4 cm (4.5 in)	5.0 cm (2.0 in)	56 years	31 of 100 (Routine)
8 December 1917	Ny City Cntrl Park, US	daily rain	39.1 mm (1.5 in)	24.1 mm (0.9 in)	22 years	31 of 100 (Routine)
8 December 1917	Concord, US	daily snowfall	12.7 cm (5.0 in)	7.6 cm (3.0 in)	46 years	30 of 100 (Routine)
8 December 1917	Welland, CA	daily snowfall	24.1 cm (9.5 in)	17.7 cm (7.0 in)	7 years	29 of 100 (Routine)
8 December 1917	Malvern, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	21 years	29 of 100 (Routine)
8 December 1917	Chaplin, CA	daily snowfall	7.6 cm (3.0 in)	6.3 cm (2.5 in)	15 years	26 of 100 (Routine)
8 December 1917	Woodstock, CA	daily snowfall	14.0 cm (5.5 in)	6.4 cm (2.5 in)	34 years	26 of 100 (Routine)
8 December 1917	Thomas River (Sar), ZA	daily rain	26.2 mm (1.0 in)	16.5 mm (0.6 in)	25 years	25 of 100 (Routine)
8 December 1917	Aurora, CA	daily snowfall	15.2 cm (6.0 in)	6.3 cm (2.5 in)	20 years	24 of 100 (Routine)
8 December 1917	Little Rock St Capitol, US	daily low min	-12.8 C (9.0 F)	4.5 C (8.1 F)	34 years	21 of 100 (Routine)
8 December 1917	Buffalo, US	daily rain	24.9 mm (1.0 in)	11.2 mm (0.4 in)	40 years	20 of 100 (Routine)
8 December 1917	Port Stanley, CA	daily rain	20.3 mm (0.8 in)	9.9 mm (0.39 in)	31 years	20 of 100 (Routine)
8 December 1917	Cape May 2 NW, US	daily rain	19.8 mm (0.8 in)	14.0 mm (0.6 in)	41 years	20 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 106 records.

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

Records on 12-08 in each year
Year	Records
1796	1
1805	1
1815	2
1824	1
1825	2
1844	2
1846	1
1848	2
1854	1
1856	2
1866	1
1868	3
1869	1
1871	4
1875	2
1879	5
1882	4
1885	1
1886	1
1891	2
1892	1
1894	1
1896	4
1897	14
1898	3
1899	4
1900	6
1901	6
1902	17
1903	2
1904	6
1905	6
1906	39
1907	15
1908	11
1909	20
1910	14
1911	21
1912	33
1913	42
1914	59
1915	67
1916	93
1917	106
1918	27
1919	59
1920	95
1921	53
1922	163
1923	176
1924	399
1925	107
1926	80
1927	593
1928	100
1929	136
1930	421
1931	229
1932	327
1933	109
1934	437
1935	229
1936	138
1937	443
1938	447
1939	643
1940	495
1941	140
1942	481
1943	378
1944	269
1945	323
1946	1,331
1947	293
1948	269
1949	275
1950	859
1951	1,430
1952	539
1953	361
1954	354
1955	199
1956	890
1957	429
1958	794
1959	538
1960	544
1961	289
1962	413
1963	739
1964	375
1965	509
1966	1,255
1967	442
1968	436
1969	617
1970	801
1971	978
1972	1,825
1973	506
1974	631
1975	497
1976	1,130
1977	1,503
1978	2,440
1979	507
1980	1,527
1981	951
1982	835
1983	924
1984	989
1985	1,099
1986	958
1987	733
1988	581
1989	1,426
1990	847
1991	918
1992	689
1993	957
1994	1,178
1995	764
1996	949
1997	1,194
1998	1,348
1999	530
2000	1,056
2001	513
2002	735
2003	862
2004	1,172
2005	2,056
2006	2,166
2007	1,042
2008	924
2009	1,593
2010	1,951
2011	968
2012	724
2013	1,403
2014	404
2015	1,125
2016	594
2017	677
2018	747
2019	623
2020	942
2021	362
2022	682
2023	909
2024	426
2025	986

Download the Data

Data for records on 1917-12-08: 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 25	72
25 to 50	6
50 to 75	6
75 to 100	4
100 to 125	3
125 to 150	2
150 to 175	0
175 to 200	1