Weather Records on 21 December 1950

504 weather records were set or tied worldwide on 21 December 1950. Highest significance: Atherton Post Office, AU.

Key Facts for 21 December 1950

On 21 December 1950, 504 weather records were set or tied at long-record stations worldwide.
135 were record highs and 28 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 492 daily.
Atherton Post Office set a monthly record daily precipitation of 239.3 mm (9.4 in) on 21 December 1950.
Across 158 earlier years (1793 to 2025) the same calendar date averaged 489 records.

Record Map

504 stations

504 station records on 21 December 1950 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 December 1950: highest significance records shown on the map
Station	Country	Type	Value	Significance
Atherton Post Office	Australia	Record daily precipitation	239.3 mm (9.4 in)	68 of 100 (Major)
Barrine	Australia	Record daily precipitation	229.1 mm (9.0 in)	64 of 100 (Major)
Maxwelton Post Office	Australia	Record daily precipitation	87.1 mm (3.4 in)	55 of 100 (Notable)
Mount Surprise Township	Australia	Record daily precipitation	87.6 mm (3.4 in)	55 of 100 (Notable)
Elderslie	Australia	Record daily precipitation	73.4 mm (2.9 in)	54 of 100 (Notable)
Retreat (Barcoo River)	Australia	Record daily precipitation	68.6 mm (2.7 in)	54 of 100 (Notable)
Narua	Australia	Record daily precipitation	42.2 mm (1.7 in)	53 of 100 (Notable)
Hay (Mulberrygong)	Australia	Record daily precipitation	29.0 mm (1.1 in)	53 of 100 (Notable)
Vlakfontein	South Africa	Record daily precipitation	68.8 mm (2.7 in)	52 of 100 (Notable)
Wymah (Gwandallen)	Australia	Record daily precipitation	49.8 mm (2.0 in)	51 of 100 (Notable)
Goondi Mill Csr	Australia	Record daily precipitation	173.7 mm (6.8 in)	48 of 100 (Notable)
The Rock Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	48 of 100 (Notable)
Harrietville	Australia	Record daily precipitation	49.3 mm (1.9 in)	48 of 100 (Notable)
Monkira	Australia	Record daily precipitation	40.1 mm (1.6 in)	47 of 100 (Notable)
Ganmain Post Office	Australia	Record daily precipitation	34.8 mm (1.4 in)	47 of 100 (Notable)
Albury	Australia	Record daily precipitation	28.4 mm (1.1 in)	46 of 100 (Notable)
Grong Grong (Berembed)	Australia	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Omeo Comparison	Australia	Record daily precipitation	49.5 mm (1.9 in)	46 of 100 (Notable)
Ruffy	Australia	Record daily precipitation	35.1 mm (1.4 in)	44 of 100 (Notable)
Heidelberg I	South Africa	Record daily precipitation	62.2 mm (2.4 in)	44 of 100 (Notable)
Chillagoe Atherton Street	Australia	Record daily precipitation	80.3 mm (3.2 in)	43 of 100 (Notable)
Grong Grong (Junee St)	Australia	Record daily precipitation	25.4 mm (1.0 in)	43 of 100 (Notable)
Krugersdorp	South Africa	Record daily precipitation	54.4 mm (2.1 in)	43 of 100 (Notable)
Tallangatta Dcnr	Australia	Record daily precipitation	53.1 mm (2.1 in)	42 of 100 (Notable)
Henty Post Office	Australia	Record daily precipitation	40.6 mm (1.6 in)	41 of 100 (Notable)
Tallangatta (Bullioh)	Australia	Record daily precipitation	41.9 mm (1.6 in)	41 of 100 (Notable)
Welverdiend (Pol)	South Africa	Record daily precipitation	56.4 mm (2.2 in)	41 of 100 (Notable)
Herberton White St	Australia	Record daily precipitation	130.0 mm (5.1 in)	40 of 100 (Notable)
West Wyalong (Tallimbalong)	Australia	Record daily precipitation	38.9 mm (1.5 in)	40 of 100 (Notable)
Dargo	Australia	Record daily precipitation	35.8 mm (1.4 in)	40 of 100 (Notable)
Alexandra (Post Office)	Australia	Record daily precipitation	25.1 mm (1.0 in)	39 of 100 (Notable)
Klipspruit (Pur)	South Africa	Record daily precipitation	40.6 mm (1.6 in)	39 of 100 (Notable)
Holbrook (Rsl)	Australia	Record daily precipitation	35.8 mm (1.4 in)	38 of 100 (Notable)
Fort Simpson	Canada	Record daily snowfall	15.2 cm (6.0 in)	38 of 100 (Notable)
Culcairn Bowling Club	Australia	Record daily precipitation	42.2 mm (1.7 in)	37 of 100 (Notable)
Mitta Mitta	Australia	Record daily precipitation	58.9 mm (2.3 in)	37 of 100 (Notable)
Klipplaatdrift (Skl)	South Africa	Record daily precipitation	35.6 mm (1.4 in)	37 of 100 (Notable)
Coolamon Post Office	Australia	Record daily precipitation	29.2 mm (1.1 in)	36 of 100 (Notable)
Nariel Creek (Simpson)	Australia	Record daily precipitation	43.2 mm (1.7 in)	36 of 100 (Notable)
Wodonga Express	Australia	Record daily precipitation	32.5 mm (1.3 in)	36 of 100 (Notable)
Hinnomunjie	Australia	Record daily precipitation	53.8 mm (2.1 in)	36 of 100 (Notable)
New Market	South Africa	Record daily precipitation	38.4 mm (1.5 in)	35 of 100 (Notable)
Innamincka Station	Australia	Record daily precipitation	29.7 mm (1.2 in)	34 of 100 (Routine)
Innisfail	Australia	Record daily precipitation	149.9 mm (5.9 in)	34 of 100 (Routine)
Jindera (Wadilock)	Australia	Record daily precipitation	28.7 mm (1.1 in)	34 of 100 (Routine)
Bella Coola	Canada	Record daily precipitation	73.2 mm (2.9 in)	34 of 100 (Routine)
Schikfontein	South Africa	Record daily precipitation	57.2 mm (2.3 in)	34 of 100 (Routine)
Zamenkomst	South Africa	Record daily precipitation	45.5 mm (1.8 in)	34 of 100 (Routine)
Durban Roodepoort Deep Gm	South Africa	Record daily precipitation	51.3 mm (2.0 in)	34 of 100 (Routine)
Yalgogrin North (Roloma)	Australia	Record daily precipitation	36.3 mm (1.4 in)	33 of 100 (Routine)
Beckom (Stawell St)	Australia	Record daily precipitation	43.2 mm (1.7 in)	33 of 100 (Routine)
Rock View	Australia	Record daily precipitation	30.0 mm (1.2 in)	33 of 100 (Routine)
Delmas (Pol)	South Africa	Record daily precipitation	39.6 mm (1.6 in)	33 of 100 (Routine)
Morokweng (Pol)	South Africa	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Roodepoort (Mun)	South Africa	Record daily precipitation	54.4 mm (2.1 in)	32 of 100 (Routine)
Jhb-Joubert Park	South Africa	Record daily precipitation	48.3 mm (1.9 in)	32 of 100 (Routine)
Germiston-Fj Payne Park	South Africa	Record daily precipitation	47.2 mm (1.9 in)	32 of 100 (Routine)
Balfour (Mag)	South Africa	Record daily precipitation	44.5 mm (1.8 in)	31 of 100 (Routine)
Greenville Wtp	United States	Record snow depth	12.7 cm (5.0 in)	31 of 100 (Routine)
Tibooburra Post Office	Australia	Record low maximum temperature	17.2 C (63.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

504 records

Records set or tied on 21 December 1950 by type: Highest daily maximum 71, Lowest daily maximum 9, Highest daily minimum 64, Lowest daily minimum 19, Heaviest daily rainfall 307, Heaviest daily snowfall 16, Deepest snow cover 18.

Records on 21 December 1950 by type
Record type	Records
Highest daily maximum	71
Lowest daily maximum	9
Highest daily minimum	64
Lowest daily minimum	19
Heaviest daily rainfall	307
Heaviest daily snowfall	16
Deepest snow cover	18

Records on 21 December 1950 by timescale: all-time 0, monthly 12, daily 492.

How Much Records Were Beaten By

422 broken records

Margins by which the 422 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 230.0. Ties are not counted.

Top 20 by Significance

21 December 1950

Top 20 records on 21 December 1950 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 December 1950	Atherton Post Office, AU	monthly rain	239.3 mm (9.4 in)	83.1 mm (3.3 in)	44 years	68 of 100 (Major)
21 December 1950	Barrine, AU	monthly rain	229.1 mm (9.0 in)	100.3 mm (3.9 in)	34 years	64 of 100 (Major)
21 December 1950	Maxwelton Post Office, AU	daily rain	87.1 mm (3.4 in)	65.5 mm (2.6 in)	48 years	55 of 100 (Notable)
21 December 1950	Mount Surprise Township, AU	daily rain	87.6 mm (3.4 in)	67.8 mm (2.7 in)	28 years	55 of 100 (Notable)
21 December 1950	Elderslie, AU	daily rain	73.4 mm (2.9 in)	65.8 mm (2.6 in)	28 years	54 of 100 (Notable)
21 December 1950	Retreat (Barcoo River), AU	daily rain	68.6 mm (2.7 in)	68.6 mm (2.7 in)	37 years	54 of 100 (Notable)
21 December 1950	Narua, AU	daily rain	42.2 mm (1.7 in)	38.6 mm (1.5 in)	28 years	53 of 100 (Notable)
21 December 1950	Hay (Mulberrygong), AU	daily rain	29.0 mm (1.1 in)	29.0 mm (1.1 in)	44 years	53 of 100 (Notable)
21 December 1950	Vlakfontein, ZA	daily rain	68.8 mm (2.7 in)	48.5 mm (1.9 in)	29 years	52 of 100 (Notable)
21 December 1950	Wymah (Gwandallen), AU	daily rain	49.8 mm (2.0 in)	39.4 mm (1.6 in)	36 years	51 of 100 (Notable)
21 December 1950	Goondi Mill Csr, AU	daily rain	173.7 mm (6.8 in)	111.7 mm (4.4 in)	43 years	48 of 100 (Notable)
21 December 1950	The Rock Post Office, AU	daily rain	30.0 mm (1.2 in)	28.0 mm (1.1 in)	47 years	48 of 100 (Notable)
21 December 1950	Harrietville, AU	daily rain	49.3 mm (1.9 in)	35.8 mm (1.4 in)	62 years	48 of 100 (Notable)
21 December 1950	Monkira, AU	daily rain	40.1 mm (1.6 in)	35.5 mm (1.4 in)	59 years	47 of 100 (Notable)
21 December 1950	Ganmain Post Office, AU	daily rain	34.8 mm (1.4 in)	33.3 mm (1.3 in)	8 years	47 of 100 (Notable)
21 December 1950	Albury, AU	daily rain	28.4 mm (1.1 in)	12.4 mm (0.5 in)	89 years	46 of 100 (Notable)
21 December 1950	Grong Grong (Berembed), AU	daily rain	30.0 mm (1.2 in)	23.1 mm (0.9 in)	48 years	46 of 100 (Notable)
21 December 1950	Omeo Comparison, AU	daily rain	49.5 mm (1.9 in)	22.8 mm (0.9 in)	47 years	46 of 100 (Notable)
21 December 1950	Ruffy, AU	daily rain	35.1 mm (1.4 in)	20.9 mm (0.8 in)	48 years	44 of 100 (Notable)
21 December 1950	Heidelberg I, ZA	daily rain	62.2 mm (2.4 in)	31.7 mm (1.2 in)	40 years	44 of 100 (Notable)

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 504 records.

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

Records on 12-21 in each year
Year	Records
1793	1
1794	1
1799	1
1801	2
1808	3
1825	1
1828	1
1839	1
1846	1
1850	1
1855	7
1859	1
1860	1
1868	1
1870	1
1871	2
1874	2
1875	3
1876	1
1877	1
1878	1
1879	1
1880	1
1884	1
1886	3
1889	1
1890	4
1893	4
1894	1
1895	5
1896	3
1897	3
1898	1
1900	8
1901	15
1902	5
1903	25
1904	3
1905	15
1906	15
1907	17
1908	19
1909	20
1910	29
1911	36
1912	23
1913	11
1914	107
1915	43
1916	40
1917	18
1918	41
1919	57
1920	30
1921	104
1922	34
1923	323
1924	377
1925	120
1926	178
1927	147
1928	70
1929	156
1930	66
1931	556
1932	150
1933	581
1934	230
1935	398
1936	323
1937	189
1938	145
1939	140
1940	622
1941	651
1942	968
1943	148
1944	762
1945	396
1946	495
1947	700
1948	297
1949	1,281
1950	504
1951	1,061
1952	197
1953	256
1954	444
1955	888
1956	672
1957	846
1958	516
1959	272
1960	585
1961	254
1962	563
1963	1,137
1964	613
1965	247
1966	400
1967	1,923
1968	818
1969	828
1970	547
1971	680
1972	651
1973	1,292
1974	374
1975	548
1976	446
1977	470
1978	517
1979	558
1980	726
1981	1,476
1982	702
1983	3,324
1984	1,012
1985	979
1986	404
1987	775
1988	717
1989	3,203
1990	2,701
1991	1,125
1992	751
1993	967
1994	793
1995	878
1996	1,114
1997	810
1998	1,142
1999	851
2000	944
2001	650
2002	579
2003	1,103
2004	675
2005	606
2006	1,443
2007	946
2008	1,062
2009	1,097
2010	2,039
2011	653
2012	759
2013	1,029
2014	878
2015	1,173
2016	543
2017	459
2018	742
2019	755
2020	965
2021	323
2022	528
2023	1,170
2024	778
2025	1,099

Download the Data

Data for records on 1950-12-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 50	399
50 to 100	18
100 to 150	4
150 to 200	0
200 to 250	1