Weather Records on 18 December 1950

289 weather records were set or tied worldwide on 18 December 1950. Highest significance: Windorah Post Office, AU.

Key Facts for 18 December 1950

On 18 December 1950, 289 weather records were set or tied at long-record stations worldwide.
70 were record highs and 88 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 284 daily.
Windorah Post Office set a daily record precipitation of 71.9 mm (2.8 in) on 18 December 1950.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 481 records.

Record Map

289 stations

289 station records on 18 December 1950 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 December 1950: highest significance records shown on the map
Station	Country	Type	Value	Significance
Windorah Post Office	Australia	Record daily precipitation	71.9 mm (2.8 in)	57 of 100 (Notable)
Morstone Station	Australia	Record daily precipitation	133.6 mm (5.3 in)	52 of 100 (Notable)
Pathalipam	India	Record daily precipitation	30.5 mm (1.2 in)	51 of 100 (Notable)
Lucan	Canada	Record daily precipitation	30.5 mm (1.2 in)	41 of 100 (Notable)
Innamincka Station	Australia	Record daily precipitation	25.9 mm (1.0 in)	40 of 100 (Notable)
Marion Downs	Australia	Record daily precipitation	36.3 mm (1.4 in)	40 of 100 (Notable)
Barcaldine Post Office	Australia	Record daily precipitation	35.1 mm (1.4 in)	37 of 100 (Notable)
Sussex	Canada	Record daily snowfall	30.5 cm (12.0 in)	37 of 100 (Notable)
Portland Downs	Australia	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Riva	Italy	Record low minimum temperature	-6.0 C (21.2 F)	34 of 100 (Routine)
Greenville Wtp	United States	Record snow depth	15.2 cm (6.0 in)	34 of 100 (Routine)
Camooweal Township	Australia	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Norley Station	Australia	Record daily precipitation	30.5 mm (1.2 in)	30 of 100 (Routine)
Bulgroo Station	Australia	Record daily precipitation	39.4 mm (1.6 in)	30 of 100 (Routine)
Greenville 2 NE	United States	Record daily snowfall	6.6 cm (2.6 in)	30 of 100 (Routine)
Ilfracombe Post Office	Australia	Record daily precipitation	39.6 mm (1.6 in)	29 of 100 (Routine)
Richland	United States	Record high maximum temperature	12.8 C (55.0 F)	28 of 100 (Routine)
Saltern Post Office	Australia	Record daily precipitation	35.6 mm (1.4 in)	27 of 100 (Routine)
Orogrande	United States	Record high maximum temperature	23.9 C (75.0 F)	26 of 100 (Routine)
Turtleford	Canada	Record daily snowfall	10.2 cm (4.0 in)	25 of 100 (Routine)
Gaspe	Canada	Record high maximum temperature	11.1 C (52.0 F)	25 of 100 (Routine)
Kisinev	Moldova	Record high minimum temperature	8.3 C (46.9 F)	25 of 100 (Routine)
Tucson WFO	United States	Record high maximum temperature	28.3 C (82.9 F)	25 of 100 (Routine)
Pana	United States	Record snow depth	15.2 cm (6.0 in)	25 of 100 (Routine)
Houlton	United States	Record daily snowfall	11.4 cm (4.5 in)	25 of 100 (Routine)
Toolebuc	Australia	Record daily precipitation	46.7 mm (1.8 in)	24 of 100 (Routine)
Riva	Italy	Record low maximum temperature	1.0 C (33.8 F)	24 of 100 (Routine)
Kankakee 3 SW	United States	Record snow depth	17.8 cm (7.0 in)	24 of 100 (Routine)
Cape York Post Office	Australia	Record daily precipitation	58.9 mm (2.3 in)	23 of 100 (Routine)
Beaconsfield	Australia	Record daily precipitation	58.4 mm (2.3 in)	23 of 100 (Routine)
Quilpie Airport	Australia	Record daily precipitation	31.8 mm (1.3 in)	23 of 100 (Routine)
Mesa	United States	Record high maximum temperature	27.2 C (81.0 F)	23 of 100 (Routine)
Jackson Exp STN	United States	Record low maximum temperature	-1.1 C (30.0 F)	23 of 100 (Routine)
Moab	United States	Record high maximum temperature	13.3 C (55.9 F)	23 of 100 (Routine)
Thylungra Station	Australia	Record daily precipitation	51.6 mm (2.0 in)	22 of 100 (Routine)
Tobermorey Station	Australia	Record daily precipitation	31.8 mm (1.3 in)	22 of 100 (Routine)
Sussex	Canada	Record daily precipitation	30.5 mm (1.2 in)	22 of 100 (Routine)
Osage	United States	Record low minimum temperature	-29.4 C (-20.9 F)	22 of 100 (Routine)
Yarronvale	Australia	Record daily precipitation	30.5 mm (1.2 in)	21 of 100 (Routine)
Mount Margaret	Australia	Record daily precipitation	35.6 mm (1.4 in)	21 of 100 (Routine)
Corinth 5 WSW	United States	Record low maximum temperature	2.2 C (36.0 F)	21 of 100 (Routine)
Ithaca Cornell UNIV	United States	Record snow depth	30.5 cm (12.0 in)	21 of 100 (Routine)
Foxpark	United States	Record high minimum temperature	-1.1 C (30.0 F)	21 of 100 (Routine)
Kiolakaa 7	United States	Record low minimum temperature	10.0 C (50.0 F)	21 of 100 (Routine)
Springfield Abraham Lincoln Ca	United States	Record low minimum temperature	-21.1 C (-6.0 F)	21 of 100 (Routine)
Bulloo Downs	Australia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Mokakchung	India	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Gohpur	India	Record daily precipitation	5.8 mm (0.23 in)	20 of 100 (Routine)
Tibooburra Post Office	Australia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Turtleford	Canada	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Emerson	Canada	Record daily precipitation	2.5 mm (0.10 in)	20 of 100 (Routine)
Emerson	Canada	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Monkira	Australia	Record daily precipitation	5.3 mm (0.21 in)	20 of 100 (Routine)
Adavale Post Office	Australia	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Comongin North	Australia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Durham Downs	Australia	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Dudinka	Russia	Record daily precipitation	3.4 mm (0.13 in)	20 of 100 (Routine)
Aramac Post Office	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Jundah Post Office	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Tanbar Station	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)

Counts by Type and Timescale

289 records

Records set or tied on 18 December 1950 by type: Highest daily maximum 37, Lowest daily maximum 44, Highest daily minimum 33, Lowest daily minimum 44, Heaviest daily rainfall 88, Heaviest daily snowfall 23, Deepest snow cover 20.

Records on 18 December 1950 by type
Record type	Records
Highest daily maximum	37
Lowest daily maximum	44
Highest daily minimum	33
Lowest daily minimum	44
Heaviest daily rainfall	88
Heaviest daily snowfall	23
Deepest snow cover	20

Records on 18 December 1950 by timescale: all-time 0, monthly 5, daily 284.

How Much Records Were Beaten By

220 broken records

Margins by which the 220 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

18 December 1950

Top 20 records on 18 December 1950 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 December 1950	Windorah Post Office, AU	daily rain	71.9 mm (2.8 in)	64.5 mm (2.5 in)	36 years	57 of 100 (Notable)
18 December 1950	Morstone Station, AU	daily rain	133.6 mm (5.3 in)	111.2 mm (4.4 in)	23 years	52 of 100 (Notable)
18 December 1950	Pathalipam, IN	daily rain	30.5 mm (1.2 in)	29.7 mm (1.2 in)	39 years	51 of 100 (Notable)
18 December 1950	Lucan, CA	daily rain	30.5 mm (1.2 in)	15.3 mm (0.6 in)	29 years	41 of 100 (Notable)
18 December 1950	Innamincka Station, AU	daily rain	25.9 mm (1.0 in)	25.9 mm (1.0 in)	67 years	40 of 100 (Notable)
18 December 1950	Marion Downs, AU	daily rain	36.3 mm (1.4 in)	27.7 mm (1.1 in)	36 years	40 of 100 (Notable)
18 December 1950	Barcaldine Post Office, AU	daily rain	35.1 mm (1.4 in)	21.1 mm (0.8 in)	55 years	37 of 100 (Notable)
18 December 1950	Sussex, CA	daily snowfall	30.5 cm (12.0 in)	17.8 cm (7.0 in)	16 years	37 of 100 (Notable)
18 December 1950	Portland Downs, AU	daily rain	50.8 mm (2.0 in)	37.1 mm (1.5 in)	5 years	34 of 100 (Routine)
18 December 1950	Riva, IT	daily low min	-6.0 C (21.2 F)	1.8 C (3.2 F)	71 years	34 of 100 (Routine)
18 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)
18 December 1950	Camooweal Township, AU	daily rain	27.9 mm (1.1 in)	9.6 mm (0.38 in)	56 years	30 of 100 (Routine)
18 December 1950	Norley Station, AU	daily rain	30.5 mm (1.2 in)	17.8 mm (0.7 in)	28 years	30 of 100 (Routine)
18 December 1950	Bulgroo Station, AU	daily rain	39.4 mm (1.6 in)	26.4 mm (1.0 in)	36 years	30 of 100 (Routine)
18 December 1950	Greenville 2 NE, US	daily snowfall	6.6 cm (2.6 in)	4.1 cm (1.6 in)	52 years	30 of 100 (Routine)
18 December 1950	Ilfracombe Post Office, AU	daily rain	39.6 mm (1.6 in)	17.2 mm (0.7 in)	43 years	29 of 100 (Routine)
18 December 1950	Richland, US	daily high max	12.8 C (55.0 F)	2.8 C (5.0 F)	56 years	28 of 100 (Routine)
18 December 1950	Saltern Post Office, AU	daily rain	35.6 mm (1.4 in)	17.1 mm (0.7 in)	45 years	27 of 100 (Routine)
18 December 1950	Orogrande, US	daily high max	23.9 C (75.0 F)	3.9 C (7.0 F)	45 years	26 of 100 (Routine)
18 December 1950	Turtleford, CA	daily snowfall	10.2 cm (4.0 in)	5.1 cm (2.0 in)	16 years	25 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 289 records.

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

Records on 12-18 in each year
Year	Records
1793	1
1796	1
1805	1
1814	1
1825	1
1846	1
1849	1
1852	2
1858	1
1859	4
1862	2
1864	1
1868	1
1873	1
1875	1
1876	2
1878	1
1881	2
1882	1
1884	2
1886	1
1887	1
1888	1
1889	4
1890	5
1892	4
1894	8
1895	1
1897	4
1898	9
1899	3
1900	2
1901	6
1902	33
1903	11
1904	25
1905	3
1906	21
1907	15
1908	16
1909	18
1910	19
1911	9
1912	33
1913	38
1914	20
1915	28
1916	57
1917	62
1918	21
1919	117
1920	77
1921	123
1922	108
1923	378
1924	480
1925	74
1926	173
1927	151
1928	165
1929	366
1930	230
1931	360
1932	353
1933	506
1934	209
1935	138
1936	466
1937	459
1938	185
1939	900
1940	242
1941	213
1942	281
1943	419
1944	191
1945	598
1946	199
1947	266
1948	354
1949	561
1950	289
1951	867
1952	450
1953	373
1954	507
1955	611
1956	333
1957	901
1958	524
1959	477
1960	477
1961	885
1962	759
1963	571
1964	840
1965	402
1966	644
1967	1,105
1968	488
1969	376
1970	502
1971	387
1972	375
1973	1,008
1974	229
1975	625
1976	459
1977	992
1978	946
1979	1,087
1980	772
1981	1,362
1982	537
1983	2,014
1984	1,439
1985	1,384
1986	875
1987	1,505
1988	1,061
1989	1,818
1990	1,367
1991	756
1992	1,045
1993	697
1994	643
1995	1,065
1996	1,833
1997	1,195
1998	863
1999	923
2000	1,572
2001	906
2002	1,437
2003	987
2004	506
2005	987
2006	1,167
2007	746
2008	1,014
2009	1,253
2010	1,322
2011	697
2012	729
2013	513
2014	556
2015	1,254
2016	1,821
2017	516
2018	464
2019	679
2020	326
2021	762
2022	536
2023	1,293
2024	780
2025	994

Download the Data

Data for records on 1950-12-18: 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	189
25 to 50	19
50 to 75	6
75 to 100	2
100 to 125	2
125 to 150	0
150 to 175	1
175 to 200	1