Weather Records on 17 December 1950

294 weather records were set or tied worldwide on 17 December 1950. Highest significance: Goderich, CA.

Key Facts for 17 December 1950

On 17 December 1950, 294 weather records were set or tied at long-record stations worldwide.
113 were record highs and 65 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 292 daily.
Goderich set a daily record snowfall of 12.7 cm (5.0 in) on 17 December 1950.
Across 160 earlier years (1793 to 2025) the same calendar date averaged 464 records.

Record Map

294 stations

294 station records on 17 December 1950 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 December 1950: highest significance records shown on the map
Station	Country	Type	Value	Significance
Goderich	Canada	Record daily snowfall	12.7 cm (5.0 in)	51 of 100 (Notable)
Elk Point	Canada	Record daily snowfall	15.2 cm (6.0 in)	44 of 100 (Notable)
Paratinga	Brazil	Record daily precipitation	56.9 mm (2.2 in)	43 of 100 (Notable)
Ithaca Cornell UNIV	United States	Record snow depth	33.0 cm (13.0 in)	41 of 100 (Notable)
Durham Downs	Australia	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Greenville Wtp	United States	Record snow depth	15.2 cm (6.0 in)	34 of 100 (Routine)
Moreton Telegraph Station	Australia	Record daily precipitation	83.8 mm (3.3 in)	33 of 100 (Routine)
Coreena	Australia	Record daily precipitation	43.9 mm (1.7 in)	33 of 100 (Routine)
Nappa Merrie	Australia	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Isleworth	United States	Record daily precipitation	36.3 mm (1.4 in)	32 of 100 (Routine)
Morro Do Chapeu	Brazil	Record daily precipitation	47.6 mm (1.9 in)	31 of 100 (Routine)
Orlando Executive AP	United States	Record daily precipitation	40.9 mm (1.6 in)	31 of 100 (Routine)
Roseberth Station	Australia	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Pathalipam	India	Record daily precipitation	25.9 mm (1.0 in)	30 of 100 (Routine)
Guayama 1SW	Puerto Rico [United States]	Record high minimum temperature	26.1 C (79.0 F)	30 of 100 (Routine)
Tonti (Bos)	South Africa	Record daily precipitation	51.3 mm (2.0 in)	30 of 100 (Routine)
Broome Post Office	Australia	Record high minimum temperature	30.0 C (86.0 F)	29 of 100 (Routine)
Tibooburra (Onepah)	Australia	Record daily precipitation	35.1 mm (1.4 in)	29 of 100 (Routine)
Lucknow	Canada	Record daily snowfall	25.4 cm (10.0 in)	29 of 100 (Routine)
Windorah Post Office	Australia	Record daily precipitation	41.4 mm (1.6 in)	28 of 100 (Routine)
Richland	United States	Record high maximum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Port Townsend	United States	Record high maximum temperature	12.8 C (55.0 F)	28 of 100 (Routine)
Weipa Eastern Ave	Australia	Record daily precipitation	88.9 mm (3.5 in)	27 of 100 (Routine)
Saskatoon U of S	Canada	Record daily snowfall	6.4 cm (2.5 in)	27 of 100 (Routine)
Athabasca	Canada	Record daily snowfall	15.2 cm (6.0 in)	26 of 100 (Routine)
Campsie	Canada	Record daily snowfall	7.6 cm (3.0 in)	26 of 100 (Routine)
Muenster	Canada	Record daily snowfall	7.6 cm (3.0 in)	26 of 100 (Routine)
Irkutsk	Russia	Record high minimum temperature	-9.8 C (14.4 F)	26 of 100 (Routine)
St Petersburg	United States	Record daily precipitation	25.4 mm (1.0 in)	26 of 100 (Routine)
State College	United States	Record snow depth	20.3 cm (8.0 in)	26 of 100 (Routine)
Ranfurly	Canada	Record daily snowfall	8.9 cm (3.5 in)	25 of 100 (Routine)
Lucknow	Canada	Record daily precipitation	25.4 mm (1.0 in)	25 of 100 (Routine)
St John's	Canada	Record daily precipitation	36.1 mm (1.4 in)	25 of 100 (Routine)
Pana	United States	Record snow depth	15.2 cm (6.0 in)	25 of 100 (Routine)
Ft Duchesne	United States	Record high maximum temperature	10.0 C (50.0 F)	25 of 100 (Routine)
Stanley Wwtp	United States	Record low minimum temperature	-32.8 C (-27.0 F)	25 of 100 (Routine)
Kawai Iki Intake 880	United States	Record daily precipitation	68.6 mm (2.7 in)	25 of 100 (Routine)
Tennant Creek Post Office	Australia	Record low maximum temperature	26.7 C (80.1 F)	24 of 100 (Routine)
St Walburg	Canada	Record daily snowfall	10.2 cm (4.0 in)	24 of 100 (Routine)
Saskatoon Diefenbaker Int'l A	Canada	Record daily snowfall	5.3 cm (2.1 in)	24 of 100 (Routine)
Kankakee 3 SW	United States	Record snow depth	17.8 cm (7.0 in)	24 of 100 (Routine)
Gogo Station	Australia	Record daily precipitation	45.7 mm (1.8 in)	23 of 100 (Routine)
Campbellford	Canada	Record daily snowfall	17.8 cm (7.0 in)	23 of 100 (Routine)
Port Said	Egypt	Record high minimum temperature	18.0 C (64.4 F)	23 of 100 (Routine)
Mesa	United States	Record high maximum temperature	26.1 C (79.0 F)	23 of 100 (Routine)
Vernal	United States	Record high minimum temperature	0.0 C (32.0 F)	23 of 100 (Routine)
Hubbard	Canada	Record daily snowfall	10.2 cm (4.0 in)	22 of 100 (Routine)
Hedal I Valdres	Norway	Record snow depth	110.0 cm (43.3 in)	22 of 100 (Routine)
Skegness	United Kingdom	Record low minimum temperature	-5.0 C (23.0 F)	22 of 100 (Routine)
Effingham 3SW	United States	Record snow depth	10.2 cm (4.0 in)	22 of 100 (Routine)
Long Prairie	United States	Record low minimum temperature	-30.6 C (-23.1 F)	22 of 100 (Routine)
Booby Island Lighthouse	Australia	Record daily precipitation	61.7 mm (2.4 in)	21 of 100 (Routine)
Hamilton Downs	Australia	Record daily precipitation	38.1 mm (1.5 in)	21 of 100 (Routine)
Lencois	Brazil	Record daily precipitation	44.6 mm (1.8 in)	21 of 100 (Routine)
Strasbourg	Canada	Record daily snowfall	7.6 cm (3.0 in)	21 of 100 (Routine)
Brucefield	Canada	Record daily snowfall	12.7 cm (5.0 in)	21 of 100 (Routine)
Ohotsk	Russia	Record low maximum temperature	-30.9 C (-23.6 F)	21 of 100 (Routine)
Porterville	United States	Record high minimum temperature	9.4 C (48.9 F)	21 of 100 (Routine)
Aurora Water	United States	Record snow depth	20.3 cm (8.0 in)	21 of 100 (Routine)
Greencastle 1 W	United States	Record low minimum temperature	-18.3 C (-0.9 F)	21 of 100 (Routine)

Counts by Type and Timescale

294 records

Records set or tied on 17 December 1950 by type: Highest daily maximum 54, Lowest daily maximum 24, Highest daily minimum 59, Lowest daily minimum 41, Heaviest daily rainfall 73, Heaviest daily snowfall 20, Deepest snow cover 23.

Records on 17 December 1950 by type
Record type	Records
Highest daily maximum	54
Lowest daily maximum	24
Highest daily minimum	59
Lowest daily minimum	41
Heaviest daily rainfall	73
Heaviest daily snowfall	20
Deepest snow cover	23

Records on 17 December 1950 by timescale: all-time 0, monthly 2, daily 292.

How Much Records Were Beaten By

229 broken records

Margins by which the 229 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

17 December 1950

Top 20 records on 17 December 1950 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 December 1950	Goderich, CA	daily snowfall	12.7 cm (5.0 in)	10.2 cm (4.0 in)	83 years	51 of 100 (Notable)
17 December 1950	Elk Point, CA	daily snowfall	15.2 cm (6.0 in)	11.4 cm (4.5 in)	31 years	44 of 100 (Notable)
17 December 1950	Paratinga, BR	daily rain	56.9 mm (2.2 in)	46.1 mm (1.8 in)	36 years	43 of 100 (Notable)
17 December 1950	Ithaca Cornell UNIV, US	daily snow depth	33.0 cm (13.0 in)	15.2 cm (6.0 in)	48 years	41 of 100 (Notable)
17 December 1950	Durham Downs, AU	daily rain	33.0 mm (1.3 in)	28.7 mm (1.1 in)	31 years	36 of 100 (Notable)
17 December 1950	Greenville Wtp, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	49 years	34 of 100 (Routine)
17 December 1950	Moreton Telegraph Station, AU	daily rain	83.8 mm (3.3 in)	18.8 mm (0.7 in)	57 years	33 of 100 (Routine)
17 December 1950	Coreena, AU	daily rain	43.9 mm (1.7 in)	36.8 mm (1.4 in)	28 years	33 of 100 (Routine)
17 December 1950	Nappa Merrie, AU	monthly rain	30.5 mm (1.2 in)	5.1 mm (0.20 in)	39 years	32 of 100 (Routine)
17 December 1950	Isleworth, US	daily rain	36.3 mm (1.4 in)	28.7 mm (1.1 in)	28 years	32 of 100 (Routine)
17 December 1950	Morro Do Chapeu, BR	daily rain	47.6 mm (1.9 in)	41.6 mm (1.6 in)	5 years	31 of 100 (Routine)
17 December 1950	Orlando Executive AP, US	daily rain	40.9 mm (1.6 in)	25.4 mm (1.0 in)	19 years	31 of 100 (Routine)
17 December 1950	Roseberth Station, AU	daily rain	29.2 mm (1.1 in)	12.2 mm (0.5 in)	28 years	30 of 100 (Routine)
17 December 1950	Pathalipam, IN	daily rain	25.9 mm (1.0 in)	16.0 mm (0.6 in)	20 years	30 of 100 (Routine)
17 December 1950	Guayama 1SW, PR	daily high min	26.1 C (79.0 F)	2.2 C (4.0 F)	35 years	30 of 100 (Routine)
17 December 1950	Tonti (Bos), ZA	daily rain	51.3 mm (2.0 in)	18.8 mm (0.7 in)	27 years	30 of 100 (Routine)
17 December 1950	Broome Post Office, AU	daily high min	30.0 C (86.0 F)	1.7 C (3.1 F)	51 years	29 of 100 (Routine)
17 December 1950	Tibooburra (Onepah), AU	daily rain	35.1 mm (1.4 in)	23.2 mm (0.9 in)	20 years	29 of 100 (Routine)
17 December 1950	Lucknow, CA	daily snowfall	25.4 cm (10.0 in)	7.6 cm (3.0 in)	29 years	29 of 100 (Routine)
17 December 1950	Windorah Post Office, AU	daily rain	41.4 mm (1.6 in)	12.7 mm (0.5 in)	45 years	28 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 1950

Records set or tied on this calendar date in each year from 1793 to 1950. 1950 had 294 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 1950-12-17: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	183
20 to 40	25
40 to 60	7
60 to 80	7
80 to 100	0
100 to 120	4
120 to 140	1
140 to 160	2