Weather Records on 20 December 1956

471 weather records were set or tied worldwide on 20 December 1956. Highest significance: Langmorn, AU.

Key Facts for 20 December 1956

On 20 December 1956, 471 weather records were set or tied at long-record stations worldwide.
239 were record highs and 29 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 6 monthly and 464 daily.
Langmorn set a daily record precipitation of 169.9 mm (6.7 in) on 20 December 1956.
Across 163 earlier years (1793 to 2025) the same calendar date averaged 467 records.

Record Map

471 stations

471 station records on 20 December 1956 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 December 1956: highest significance records shown on the map
Station	Country	Type	Value	Significance
Langmorn	Australia	Record daily precipitation	169.9 mm (6.7 in)	65 of 100 (Major)
Duchess Hotel	Australia	Record daily precipitation	90.2 mm (3.6 in)	54 of 100 (Notable)
Tarome	Australia	Record daily precipitation	91.4 mm (3.6 in)	53 of 100 (Notable)
Pauls Valley 4 WSW	United States	Record daily precipitation	55.4 mm (2.2 in)	53 of 100 (Notable)
Coolesha	Australia	Record daily precipitation	101.6 mm (4.0 in)	51 of 100 (Notable)
Healdton 3 E	United States	Record daily precipitation	88.1 mm (3.5 in)	51 of 100 (Notable)
Willowmore	South Africa	Record daily precipitation	34.5 mm (1.4 in)	48 of 100 (Notable)
Yabba Station	Australia	Record daily precipitation	125.7 mm (4.9 in)	46 of 100 (Notable)
Burketown Post Office	Australia	Record daily precipitation	125.5 mm (4.9 in)	43 of 100 (Notable)
Rayne 6 N	United States	Record daily precipitation	75.2 mm (3.0 in)	37 of 100 (Notable)
Wilburra Downs Station	Australia	Record daily precipitation	66.0 mm (2.6 in)	35 of 100 (Notable)
Longreach Post Office	Australia	Record low maximum temperature	24.4 C (75.9 F)	34 of 100 (Routine)
Condamine Plains	Australia	Record daily precipitation	71.6 mm (2.8 in)	32 of 100 (Routine)
Princeton	United States	Record daily precipitation	47.2 mm (1.9 in)	32 of 100 (Routine)
Jeanerette 5 NW	United States	Record daily precipitation	143.5 mm (5.6 in)	32 of 100 (Routine)
Warruwi	Australia	Record daily precipitation	101.6 mm (4.0 in)	31 of 100 (Routine)
Gilberton	Australia	Record daily precipitation	71.1 mm (2.8 in)	30 of 100 (Routine)
Virden	Canada	Record low maximum temperature	1.7 C (35.1 F)	30 of 100 (Routine)
Virden	Canada	Record high minimum temperature	-7.2 C (19.0 F)	30 of 100 (Routine)
Harrisville	United States	Record high maximum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Sikeston	United States	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Purcell 2 SW	United States	Record daily precipitation	28.7 mm (1.1 in)	30 of 100 (Routine)
Rolleston	Australia	Record daily precipitation	37.6 mm (1.5 in)	29 of 100 (Routine)
Woorarra	Australia	Record daily precipitation	128.3 mm (5.1 in)	29 of 100 (Routine)
Ada	United States	Record daily precipitation	49.8 mm (2.0 in)	29 of 100 (Routine)
Gladstone Post Office	Australia	Record daily precipitation	48.5 mm (1.9 in)	28 of 100 (Routine)
Kamsack	Canada	Record daily snowfall	10.2 cm (4.0 in)	28 of 100 (Routine)
Villa Nora (Pol)	South Africa	Record daily precipitation	59.5 mm (2.3 in)	28 of 100 (Routine)
Leitchfield 2 N	United States	Record daily precipitation	36.8 mm (1.4 in)	28 of 100 (Routine)
Crowley 2 NE	United States	Record daily precipitation	81.5 mm (3.2 in)	28 of 100 (Routine)
Ft Benton	United States	Record high minimum temperature	6.7 C (44.1 F)	28 of 100 (Routine)
Grafton	United States	Record high maximum temperature	8.3 C (46.9 F)	28 of 100 (Routine)
Bristow	United States	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Shawnee	United States	Record daily precipitation	38.4 mm (1.5 in)	28 of 100 (Routine)
Tishomingo Natl Wr	United States	Record daily precipitation	49.8 mm (2.0 in)	28 of 100 (Routine)
Everett	United States	Record high maximum temperature	14.4 C (57.9 F)	28 of 100 (Routine)
Talladega	United States	Record high minimum temperature	12.8 C (55.0 F)	27 of 100 (Routine)
Chatham Exp Fa	United States	Record high maximum temperature	9.4 C (48.9 F)	27 of 100 (Routine)
Mohall	United States	Record high minimum temperature	-1.7 C (28.9 F)	27 of 100 (Routine)
Okemah	United States	Record daily precipitation	32.3 mm (1.3 in)	27 of 100 (Routine)
Franklyn Vale	Australia	Record daily precipitation	31.0 mm (1.2 in)	26 of 100 (Routine)
Osceola	United States	Record daily precipitation	26.2 mm (1.0 in)	26 of 100 (Routine)
Ufa	Russia	Record high minimum temperature	-1.0 C (30.2 F)	25 of 100 (Routine)
Ocala	United States	Record high minimum temperature	20.0 C (68.0 F)	25 of 100 (Routine)
Paducah	United States	Record high minimum temperature	8.9 C (48.0 F)	25 of 100 (Routine)
Caruthersville	United States	Record daily precipitation	32.0 mm (1.3 in)	25 of 100 (Routine)
Ennis	United States	Record daily snowfall	7.6 cm (3.0 in)	25 of 100 (Routine)
Towner 2 NE	United States	Record high maximum temperature	6.1 C (43.0 F)	25 of 100 (Routine)
Stehekin 4 NW	United States	Record high minimum temperature	2.2 C (36.0 F)	25 of 100 (Routine)
Longreach Post Office	Australia	Record low minimum temperature	15.0 C (59.0 F)	24 of 100 (Routine)
Rapur	India	Record daily precipitation	148.6 mm (5.9 in)	24 of 100 (Routine)
Ocala	United States	Record high maximum temperature	27.8 C (82.0 F)	24 of 100 (Routine)
Collegeville St John's	United States	Record high maximum temperature	7.8 C (46.0 F)	24 of 100 (Routine)
Willmar Wwtp	United States	Record high maximum temperature	8.3 C (46.9 F)	24 of 100 (Routine)
Carthage	United States	Record high minimum temperature	10.6 C (51.1 F)	24 of 100 (Routine)
Kenmac Station	Australia	Record daily precipitation	114.0 mm (4.5 in)	23 of 100 (Routine)
Hankey (Pol)	South Africa	Record daily precipitation	34.0 mm (1.3 in)	23 of 100 (Routine)
Parysfontein	South Africa	Record daily precipitation	28.0 mm (1.1 in)	23 of 100 (Routine)
Fairview	South Africa	Record daily precipitation	41.5 mm (1.6 in)	23 of 100 (Routine)
Oneonta	United States	Record high minimum temperature	10.6 C (51.1 F)	23 of 100 (Routine)

Counts by Type and Timescale

471 records

Records set or tied on 20 December 1956 by type: Highest daily maximum 94, Lowest daily maximum 17, Highest daily minimum 145, Lowest daily minimum 12, Heaviest daily rainfall 196, Heaviest daily snowfall 6, Deepest snow cover 1.

Records on 20 December 1956 by type
Record type	Records
Highest daily maximum	94
Lowest daily maximum	17
Highest daily minimum	145
Lowest daily minimum	12
Heaviest daily rainfall	196
Heaviest daily snowfall	6
Deepest snow cover	1

Records on 20 December 1956 by timescale: all-time 1, monthly 6, daily 464.

How Much Records Were Beaten By

399 broken records

Margins by which the 399 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 128.0. Ties are not counted.

Top 20 by Significance

20 December 1956

Top 20 records on 20 December 1956 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 December 1956	Langmorn, AU	daily rain	169.9 mm (6.7 in)	128.0 mm (5.0 in)	60 years	65 of 100 (Major)
20 December 1956	Duchess Hotel, AU	daily rain	90.2 mm (3.6 in)	74.7 mm (2.9 in)	34 years	54 of 100 (Notable)
20 December 1956	Tarome, AU	daily rain	91.4 mm (3.6 in)	62.2 mm (2.4 in)	33 years	53 of 100 (Notable)
20 December 1956	Pauls Valley 4 WSW, US	daily rain	55.4 mm (2.2 in)	39.7 mm (1.6 in)	45 years	53 of 100 (Notable)
20 December 1956	Coolesha, AU	monthly rain	101.6 mm (4.0 in)	36.6 mm (1.4 in)	30 years	51 of 100 (Notable)
20 December 1956	Healdton 3 E, US	monthly rain	88.1 mm (3.5 in)	34.8 mm (1.4 in)	37 years	51 of 100 (Notable)
20 December 1956	Willowmore, ZA	daily rain	34.5 mm (1.4 in)	19.3 mm (0.8 in)	69 years	48 of 100 (Notable)
20 December 1956	Yabba Station, AU	monthly rain	125.7 mm (4.9 in)	44.9 mm (1.8 in)	2 years	46 of 100 (Notable)
20 December 1956	Burketown Post Office, AU	daily rain	125.5 mm (4.9 in)	60.7 mm (2.4 in)	34 years	43 of 100 (Notable)
20 December 1956	Rayne 6 N, US	daily rain	75.2 mm (3.0 in)	39.6 mm (1.6 in)	38 years	37 of 100 (Notable)
20 December 1956	Wilburra Downs Station, AU	daily rain	66.0 mm (2.6 in)	43.1 mm (1.7 in)	6 years	35 of 100 (Notable)
20 December 1956	Longreach Post Office, AU	daily low max	24.4 C (75.9 F)	5.0 C (9.0 F)	47 years	34 of 100 (Routine)
20 December 1956	Condamine Plains, AU	daily rain	71.6 mm (2.8 in)	25.9 mm (1.0 in)	22 years	32 of 100 (Routine)
20 December 1956	Princeton, US	daily rain	47.2 mm (1.9 in)	13.7 mm (0.5 in)	58 years	32 of 100 (Routine)
20 December 1956	Jeanerette 5 NW, US	monthly rain	143.5 mm (5.6 in)	12.4 mm (0.5 in)	36 years	32 of 100 (Routine)
20 December 1956	Warruwi, AU	daily rain	101.6 mm (4.0 in)	58.2 mm (2.3 in)	11 years	31 of 100 (Routine)
20 December 1956	Gilberton, AU	daily rain	71.1 mm (2.8 in)	29.2 mm (1.1 in)	30 years	30 of 100 (Routine)
20 December 1956	Virden, CA	daily low max	1.7 C (35.1 F)	4.4 C (7.9 F)	65 years	30 of 100 (Routine)
20 December 1956	Virden, CA	daily high min	-7.2 C (19.0 F)	2.8 C (5.0 F)	65 years	30 of 100 (Routine)
20 December 1956	Harrisville, US	daily high max	10.0 C (50.0 F)	2.8 C (5.0 F)	61 years	30 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 1956

Records set or tied on this calendar date in each year from 1793 to 1956. 1956 had 471 records.

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

Records on 12-20 in each year
Year	Records
1793	1
1795	1
1804	1
1805	2
1808	1
1815	1
1828	1
1837	1
1846	1
1855	8
1858	1
1860	1
1866	1
1867	1
1868	1
1869	1
1871	2
1874	3
1875	1
1877	2
1878	1
1879	1
1880	1
1881	1
1882	1
1884	4
1885	1
1886	4
1889	4
1890	2
1891	2
1892	1
1894	2
1895	8
1896	1
1897	4
1898	2
1899	1
1900	7
1901	8
1902	14
1903	17
1904	9
1905	5
1906	5
1907	11
1908	5
1909	22
1910	17
1911	24
1912	27
1913	7
1914	43
1915	18
1916	45
1917	33
1918	18
1919	25
1920	22
1921	101
1922	88
1923	215
1924	332
1925	96
1926	163
1927	200
1928	93
1929	256
1930	67
1931	536
1932	170
1933	492
1934	265
1935	152
1936	416
1937	181
1938	240
1939	308
1940	965
1941	633
1942	817
1943	193
1944	340
1945	430
1946	327
1947	385
1948	345
1949	1,141
1950	758
1951	926
1952	394
1953	385
1954	416
1955	726
1956	471
1957	1,354
1958	382
1959	142
1960	354
1961	369
1962	475
1963	875
1964	499
1965	353
1966	555
1967	1,370
1968	482
1969	514
1970	518
1971	441
1972	448
1973	1,184
1974	328
1975	610
1976	382
1977	484
1978	910
1979	600
1980	667
1981	1,681
1982	712
1983	2,995
1984	1,411
1985	1,035
1986	321
1987	1,179
1988	760
1989	1,812
1990	1,885
1991	1,172
1992	1,134
1993	1,266
1994	813
1995	1,128
1996	1,448
1997	651
1998	1,110
1999	938
2000	1,150
2001	523
2002	943
2003	1,315
2004	836
2005	515
2006	1,387
2007	986
2008	1,356
2009	1,502
2010	2,055
2011	846
2012	1,131
2013	584
2014	524
2015	1,238
2016	603
2017	688
2018	592
2019	731
2020	554
2021	442
2022	567
2023	1,242
2024	897
2025	1,166

Download the Data

Data for records on 1956-12-20: 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 20	366
20 to 40	23
40 to 60	4
60 to 80	5
80 to 100	0
100 to 120	0
120 to 140	1