Weather Records on 17 December 1976

507 weather records were set or tied worldwide on 17 December 1976. Highest significance: Parrsboro, CA.

Key Facts for 17 December 1976

On 17 December 1976, 507 weather records were set or tied at long-record stations worldwide.
317 were record highs and 26 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 498 daily.
Parrsboro set a daily record snowfall of 25.4 cm (10.0 in) on 17 December 1976.
Across 160 earlier years (1793 to 2025) the same calendar date averaged 463 records.

Record Map

507 stations

507 station records on 17 December 1976 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 December 1976: highest significance records shown on the map
Station	Country	Type	Value	Significance
Parrsboro	Canada	Record daily snowfall	25.4 cm (10.0 in)	61 of 100 (Major)
Ayton	Australia	Record daily precipitation	154.0 mm (6.1 in)	57 of 100 (Notable)
Groot Constantia	South Africa	Record daily precipitation	40.2 mm (1.6 in)	53 of 100 (Notable)
Bar Harbor 3 NW	United States	Record daily snowfall	16.5 cm (6.5 in)	49 of 100 (Notable)
Table.Mtn Woodhead Tunnel	South Africa	Record daily precipitation	50.0 mm (2.0 in)	44 of 100 (Notable)
Greenwood A	Canada	Record daily snowfall	29.2 cm (11.5 in)	42 of 100 (Notable)
Yarmouth A	Canada	Record daily snowfall	28.2 cm (11.1 in)	41 of 100 (Notable)
Grindstone Island	Canada	Record daily snowfall	18.3 cm (7.2 in)	40 of 100 (Notable)
Sussex	Canada	Record daily snowfall	26.7 cm (10.5 in)	38 of 100 (Notable)
Kljuchi	Russia	Record daily precipitation	25.1 mm (1.0 in)	38 of 100 (Notable)
Annapolis Royal	Canada	Record daily snowfall	25.4 cm (10.0 in)	37 of 100 (Notable)
Mittenwald-Buckelwiesen	Germany	Record snow depth	98.0 cm (38.6 in)	37 of 100 (Notable)
San Francisco de Los Romo (Sm	Mexico	Record high maximum temperature	30.0 C (86.0 F)	35 of 100 (Notable)
Harlem	United States	Record high maximum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Banff	Canada	Record high maximum temperature	7.2 C (45.0 F)	34 of 100 (Routine)
Ness City	United States	Record high maximum temperature	22.2 C (72.0 F)	34 of 100 (Routine)
Harden Park	Australia	Record daily precipitation	91.4 mm (3.6 in)	33 of 100 (Routine)
Warren (Eenaweena)	Australia	Record daily precipitation	26.1 mm (1.0 in)	33 of 100 (Routine)
Kentville Cda	Canada	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Kingman	United States	Record high maximum temperature	22.8 C (73.0 F)	33 of 100 (Routine)
Minneapolis	United States	Record high maximum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Ashland	United States	Record low maximum temperature	-0.6 C (30.9 F)	33 of 100 (Routine)
Tewantin Post Office	Australia	Record high minimum temperature	24.5 C (76.1 F)	32 of 100 (Routine)
Annapolis Royal	Canada	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Kentville Cda	Canada	Record daily snowfall	19.6 cm (7.7 in)	32 of 100 (Routine)
Leroy 5 WSW	United States	Record high maximum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Port Townsend	United States	Record high minimum temperature	8.9 C (48.0 F)	32 of 100 (Routine)
Gleichen	Canada	Record high minimum temperature	0.6 C (33.1 F)	31 of 100 (Routine)
Moncton A	Canada	Record daily precipitation	42.4 mm (1.7 in)	31 of 100 (Routine)
Moncton A	Canada	Record daily snowfall	35.8 cm (14.1 in)	31 of 100 (Routine)
Nappan Cda	Canada	Record daily snowfall	30.5 cm (12.0 in)	31 of 100 (Routine)
Mykland	Norway	Record daily precipitation	29.8 mm (1.2 in)	31 of 100 (Routine)
Mount Wilkin	Australia	Record daily precipitation	28.4 mm (1.1 in)	30 of 100 (Routine)
Usina Pinhal (Eloy Chaves)	Brazil	Record daily precipitation	87.9 mm (3.5 in)	30 of 100 (Routine)
Gaspe	Canada	Record daily snowfall	24.4 cm (9.6 in)	30 of 100 (Routine)
Fredericton Cda	Canada	Record daily snowfall	29.0 cm (11.4 in)	30 of 100 (Routine)
Sackville	Canada	Record daily snowfall	22.9 cm (9.0 in)	30 of 100 (Routine)
Ft Meade	United States	Record high maximum temperature	19.4 C (66.9 F)	29 of 100 (Routine)
Klintonel	Canada	Record high minimum temperature	5.0 C (41.0 F)	28 of 100 (Routine)
Mystic Lake	United States	Record high minimum temperature	8.3 C (46.9 F)	28 of 100 (Routine)
Howard 2SE	United States	Record high maximum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
Chinook	United States	Record high maximum temperature	15.6 C (60.1 F)	27 of 100 (Routine)
Fort Macleod	Canada	Record high minimum temperature	7.2 C (45.0 F)	26 of 100 (Routine)
Blackleaf	United States	Record high maximum temperature	16.7 C (62.1 F)	26 of 100 (Routine)
Chinook	United States	Record high minimum temperature	3.9 C (39.0 F)	26 of 100 (Routine)
Heppner	United States	Record high maximum temperature	17.8 C (64.0 F)	26 of 100 (Routine)
Belle Fourche	United States	Record high maximum temperature	20.6 C (69.1 F)	26 of 100 (Routine)
Fort Macleod	Canada	Record high maximum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Summerside A	Canada	Record daily snowfall	21.1 cm (8.3 in)	25 of 100 (Routine)
Chester	United States	Record high minimum temperature	0.6 C (33.1 F)	25 of 100 (Routine)
Ft Assiniboine	United States	Record high minimum temperature	4.4 C (39.9 F)	25 of 100 (Routine)
Valier	United States	Record high minimum temperature	3.9 C (39.0 F)	25 of 100 (Routine)
Stevens Pass	United States	Record high maximum temperature	8.9 C (48.0 F)	25 of 100 (Routine)
Stave Falls	Canada	Record high minimum temperature	8.3 C (46.9 F)	24 of 100 (Routine)
Fort Nelson A	Canada	Record daily snowfall	6.4 cm (2.5 in)	24 of 100 (Routine)
Elk Point	Canada	Record high minimum temperature	-6.1 C (21.0 F)	24 of 100 (Routine)
Assiniboia	Canada	Record high maximum temperature	7.2 C (45.0 F)	24 of 100 (Routine)
Pennant	Canada	Record high maximum temperature	11.7 C (53.1 F)	24 of 100 (Routine)
Pennant	Canada	Record high minimum temperature	0.0 C (32.0 F)	24 of 100 (Routine)
Gagetown 2	Canada	Record daily snowfall	34.0 cm (13.4 in)	24 of 100 (Routine)

Counts by Type and Timescale

507 records

Records set or tied on 17 December 1976 by type: Highest daily maximum 198, Lowest daily maximum 14, Highest daily minimum 119, Lowest daily minimum 12, Heaviest daily rainfall 104, Heaviest daily snowfall 43, Deepest snow cover 17.

Records on 17 December 1976 by type
Record type	Records
Highest daily maximum	198
Lowest daily maximum	14
Highest daily minimum	119
Lowest daily minimum	12
Heaviest daily rainfall	104
Heaviest daily snowfall	43
Deepest snow cover	17

Records on 17 December 1976 by timescale: all-time 0, monthly 9, daily 498.

How Much Records Were Beaten By

406 broken records

Margins by which the 406 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 380.0. Ties are not counted.

Top 20 by Significance

17 December 1976

Top 20 records on 17 December 1976 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 December 1976	Parrsboro, CA	daily snowfall	25.4 cm (10.0 in)	20.3 cm (8.0 in)	73 years	61 of 100 (Major)
17 December 1976	Ayton, AU	daily rain	154.0 mm (6.1 in)	118.7 mm (4.7 in)	39 years	57 of 100 (Notable)
17 December 1976	Groot Constantia, ZA	daily rain	40.2 mm (1.6 in)	26.7 mm (1.1 in)	27 years	53 of 100 (Notable)
17 December 1976	Bar Harbor 3 NW, US	daily snowfall	16.5 cm (6.5 in)	14.0 cm (5.5 in)	65 years	49 of 100 (Notable)
17 December 1976	Table.Mtn Woodhead Tunnel, ZA	daily rain	50.0 mm (2.0 in)	19.3 mm (0.8 in)	63 years	44 of 100 (Notable)
17 December 1976	Greenwood A, CA	daily snowfall	29.2 cm (11.5 in)	20.3 cm (8.0 in)	6 years	42 of 100 (Notable)
17 December 1976	Yarmouth A, CA	daily snowfall	28.2 cm (11.1 in)	16.5 cm (6.5 in)	25 years	41 of 100 (Notable)
17 December 1976	Grindstone Island, CA	daily snowfall	18.3 cm (7.2 in)	10.7 cm (4.2 in)	39 years	40 of 100 (Notable)
17 December 1976	Sussex, CA	daily snowfall	26.7 cm (10.5 in)	8.9 cm (3.5 in)	54 years	38 of 100 (Notable)
17 December 1976	Kljuchi, RU	daily rain	25.1 mm (1.0 in)	13.0 mm (0.5 in)	22 years	38 of 100 (Notable)
17 December 1976	Annapolis Royal, CA	daily snowfall	25.4 cm (10.0 in)	10.2 cm (4.0 in)	50 years	37 of 100 (Notable)
17 December 1976	Mittenwald-Buckelwiesen, DE	daily snow depth	98.0 cm (38.6 in)	38.0 cm (15.0 in)	36 years	37 of 100 (Notable)
17 December 1976	San Francisco de Los Romo (Sm, MX	daily high max	30.0 C (86.0 F)	5.0 C (9.0 F)	50 years	35 of 100 (Notable)
17 December 1976	Harlem, US	daily high max	16.7 C (62.1 F)	3.9 C (7.0 F)	79 years	35 of 100 (Notable)
17 December 1976	Banff, CA	daily high max	7.2 C (45.0 F)	0.5 C (0.9 F)	84 years	34 of 100 (Routine)
17 December 1976	Ness City, US	daily high max	22.2 C (72.0 F)	3.3 C (5.9 F)	76 years	34 of 100 (Routine)
17 December 1976	Harden Park, AU	monthly rain	91.4 mm (3.6 in)	18.5 mm (0.7 in)	14 years	33 of 100 (Routine)
17 December 1976	Warren (Eenaweena), AU	daily rain	26.1 mm (1.0 in)	7.3 mm (0.29 in)	63 years	33 of 100 (Routine)
17 December 1976	Kentville Cda, CA	daily rain	38.1 mm (1.5 in)	15.2 mm (0.6 in)	30 years	33 of 100 (Routine)
17 December 1976	Kingman, US	daily high max	22.8 C (73.0 F)	4.5 C (8.1 F)	68 years	33 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

1793 to 1976

Records set or tied on this calendar date in each year from 1793 to 1976. 1976 had 507 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 1976-12-17: 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 50	378
50 to 100	16
100 to 150	7
150 to 200	2
200 to 250	2
250 to 300	0
300 to 350	0
350 to 400	1