Weather Records on 20 November 1956

598 weather records were set or tied worldwide on 20 November 1956. Highest significance: Mannargudi, IN.

Key Facts for 20 November 1956

On 20 November 1956, 598 weather records were set or tied at long-record stations worldwide.
33 were record highs and 292 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 17 monthly and 581 daily.
Mannargudi set a daily record precipitation of 164.6 mm (6.5 in) on 20 November 1956.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 453 records.

Record Map

598 stations

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

Weather records on 20 November 1956: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mannargudi	India	Record daily precipitation	164.6 mm (6.5 in)	55 of 100 (Notable)
Anadyr	Russia	Record daily precipitation	32.7 mm (1.3 in)	55 of 100 (Notable)
Audubon	United States	Record daily snowfall	16.5 cm (6.5 in)	55 of 100 (Notable)
Holenarsipur	India	Record daily precipitation	70.1 mm (2.8 in)	52 of 100 (Notable)
Salem	India	Record daily precipitation	84.8 mm (3.3 in)	52 of 100 (Notable)
Nagappattinam	India	Record daily precipitation	216.9 mm (8.5 in)	52 of 100 (Notable)
Tirupoondi	India	Record daily precipitation	186.4 mm (7.3 in)	52 of 100 (Notable)
Tiruvaiyaru	India	Record daily precipitation	130.3 mm (5.1 in)	52 of 100 (Notable)
Vallam	India	Record daily precipitation	120.1 mm (4.7 in)	52 of 100 (Notable)
Omalur	India	Record daily precipitation	84.3 mm (3.3 in)	50 of 100 (Notable)
Burnett Heads Niell St	Australia	Record daily precipitation	95.3 mm (3.8 in)	49 of 100 (Notable)
Tiruvarur	India	Record daily precipitation	178.6 mm (7.0 in)	49 of 100 (Notable)
Denison	United States	Record daily snowfall	12.7 cm (5.0 in)	49 of 100 (Notable)
Kumbhakonam	India	Record daily precipitation	132.1 mm (5.2 in)	47 of 100 (Notable)
Papanasam	India	Record daily precipitation	134.4 mm (5.3 in)	47 of 100 (Notable)
Mayuram	India	Record daily precipitation	218.4 mm (8.6 in)	46 of 100 (Notable)
Jhb-Braamfontein (Cem)	South Africa	Record daily precipitation	86.4 mm (3.4 in)	46 of 100 (Notable)
Fairymead Sugar Mill	Australia	Record daily precipitation	84.6 mm (3.3 in)	45 of 100 (Notable)
Hancock Exp Farm	United States	Record daily snowfall	12.7 cm (5.0 in)	45 of 100 (Notable)
Kollegal	India	Record daily precipitation	62.2 mm (2.4 in)	44 of 100 (Notable)
Nannilam	India	Record daily precipitation	207.3 mm (8.2 in)	44 of 100 (Notable)
Kattumannarkoil	India	Record daily precipitation	148.3 mm (5.8 in)	43 of 100 (Notable)
Humboldt 3 W	United States	Record daily snowfall	11.2 cm (4.4 in)	43 of 100 (Notable)
Sac City	United States	Record daily snowfall	7.6 cm (3.0 in)	43 of 100 (Notable)
Sirkali	India	Record daily precipitation	181.4 mm (7.1 in)	41 of 100 (Notable)
Pattukkottai	India	Record daily precipitation	111.0 mm (4.4 in)	41 of 100 (Notable)
Ames 3 SW	United States	Record daily snowfall	12.7 cm (5.0 in)	41 of 100 (Notable)
Britt 3E	United States	Record daily snowfall	8.9 cm (3.5 in)	41 of 100 (Notable)
Stoneville Exp STN	United States	Record daily precipitation	85.3 mm (3.4 in)	41 of 100 (Notable)
Hastings 4N	United States	Record daily snowfall	7.6 cm (3.0 in)	41 of 100 (Notable)
Nebraska City 1 NW	United States	Record daily snowfall	15.2 cm (6.0 in)	41 of 100 (Notable)
Port Dover	Canada	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Albert Lea 3SE	United States	Record daily snowfall	12.7 cm (5.0 in)	39 of 100 (Notable)
Thiruthuraipoond	India	Record daily precipitation	112.0 mm (4.4 in)	38 of 100 (Notable)
Jayamkondam	India	Record daily precipitation	131.8 mm (5.2 in)	38 of 100 (Notable)
Bathurst Gaol	Australia	Record low minimum temperature	2.2 C (36.0 F)	37 of 100 (Notable)
Kurinjipadi	India	Record daily precipitation	113.5 mm (4.5 in)	37 of 100 (Notable)
Nidamangalam	India	Record daily precipitation	122.4 mm (4.8 in)	37 of 100 (Notable)
Boone	United States	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Virden	Canada	Record low minimum temperature	-12.8 C (9.0 F)	35 of 100 (Notable)
Grand Anicut	India	Record daily precipitation	87.6 mm (3.4 in)	35 of 100 (Notable)
Kulattur	India	Record daily precipitation	79.8 mm (3.1 in)	35 of 100 (Notable)
Alangudi	India	Record daily precipitation	73.2 mm (2.9 in)	35 of 100 (Notable)
Barcelona -Fabra Observatory	Spain	Record daily precipitation	63.0 mm (2.5 in)	35 of 100 (Notable)
Le Mars	United States	Record daily snowfall	6.4 cm (2.5 in)	35 of 100 (Notable)
Eldon	United States	Record daily precipitation	46.5 mm (1.8 in)	35 of 100 (Notable)
Chidambaram	India	Record daily precipitation	135.9 mm (5.4 in)	34 of 100 (Routine)
Winkelman 6 S	United States	Record low minimum temperature	-8.9 C (16.0 F)	34 of 100 (Routine)
Alta	United States	Record daily snowfall	7.6 cm (3.0 in)	34 of 100 (Routine)
Bastrop	United States	Record daily precipitation	68.6 mm (2.7 in)	34 of 100 (Routine)
Attur	India	Record daily precipitation	63.5 mm (2.5 in)	33 of 100 (Routine)
Valangiman	India	Record daily precipitation	244.3 mm (9.6 in)	33 of 100 (Routine)
Spencer 1 N	United States	Record daily snowfall	5.1 cm (2.0 in)	33 of 100 (Routine)
Seymour 1 NNW	United States	Record daily precipitation	49.3 mm (1.9 in)	33 of 100 (Routine)
Dwaleni	Swaziland	Record daily precipitation	41.5 mm (1.6 in)	33 of 100 (Routine)
Neidavasal	India	Record daily precipitation	162.8 mm (6.4 in)	32 of 100 (Routine)
Greenville	United States	Record daily precipitation	86.1 mm (3.4 in)	32 of 100 (Routine)
Table Rock 4N	United States	Record daily snowfall	5.1 cm (2.0 in)	32 of 100 (Routine)
Weeping Water	United States	Record daily snowfall	12.7 cm (5.0 in)	32 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record daily snowfall	11.7 cm (4.6 in)	32 of 100 (Routine)

Counts by Type and Timescale

598 records

Records set or tied on 20 November 1956 by type: Highest daily maximum 13, Lowest daily maximum 107, Highest daily minimum 20, Lowest daily minimum 185, Heaviest daily rainfall 184, Heaviest daily snowfall 77, Deepest snow cover 12.

Records on 20 November 1956 by type
Record type	Records
Highest daily maximum	13
Lowest daily maximum	107
Highest daily minimum	20
Lowest daily minimum	185
Heaviest daily rainfall	184
Heaviest daily snowfall	77
Deepest snow cover	12

Records on 20 November 1956 by timescale: all-time 0, monthly 17, daily 581.

How Much Records Were Beaten By

501 broken records

Margins by which the 501 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 155.0. Ties are not counted.

Top 20 by Significance

20 November 1956

Top 20 records on 20 November 1956 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 November 1956	Mannargudi, IN	daily rain	164.6 mm (6.5 in)	111.3 mm (4.4 in)	36 years	55 of 100 (Notable)
20 November 1956	Anadyr, RU	monthly rain	32.7 mm (1.3 in)	8.4 mm (0.33 in)	0 years	55 of 100 (Notable)
20 November 1956	Audubon, US	daily snowfall	16.5 cm (6.5 in)	15.5 cm (6.1 in)	49 years	55 of 100 (Notable)
20 November 1956	Holenarsipur, IN	daily rain	70.1 mm (2.8 in)	59.7 mm (2.4 in)	24 years	52 of 100 (Notable)
20 November 1956	Salem, IN	daily rain	84.8 mm (3.3 in)	51.5 mm (2.0 in)	44 years	52 of 100 (Notable)
20 November 1956	Nagappattinam, IN	daily rain	216.9 mm (8.5 in)	134.6 mm (5.3 in)	45 years	52 of 100 (Notable)
20 November 1956	Tirupoondi, IN	daily rain	186.4 mm (7.3 in)	134.1 mm (5.3 in)	45 years	52 of 100 (Notable)
20 November 1956	Tiruvaiyaru, IN	daily rain	130.3 mm (5.1 in)	84.1 mm (3.3 in)	44 years	52 of 100 (Notable)
20 November 1956	Vallam, IN	daily rain	120.1 mm (4.7 in)	75.4 mm (3.0 in)	44 years	52 of 100 (Notable)
20 November 1956	Omalur, IN	daily rain	84.3 mm (3.3 in)	47.2 mm (1.9 in)	44 years	50 of 100 (Notable)
20 November 1956	Burnett Heads Niell St, AU	daily rain	95.3 mm (3.8 in)	56.4 mm (2.2 in)	19 years	49 of 100 (Notable)
20 November 1956	Tiruvarur, IN	daily rain	178.6 mm (7.0 in)	102.1 mm (4.0 in)	45 years	49 of 100 (Notable)
20 November 1956	Denison, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	60 years	49 of 100 (Notable)
20 November 1956	Kumbhakonam, IN	daily rain	132.1 mm (5.2 in)	83.8 mm (3.3 in)	44 years	47 of 100 (Notable)
20 November 1956	Papanasam, IN	daily rain	134.4 mm (5.3 in)	80.0 mm (3.1 in)	44 years	47 of 100 (Notable)
20 November 1956	Mayuram, IN	daily rain	218.4 mm (8.6 in)	117.8 mm (4.6 in)	36 years	46 of 100 (Notable)
20 November 1956	Jhb-Braamfontein (Cem), ZA	daily rain	86.4 mm (3.4 in)	64.0 mm (2.5 in)	5 years	46 of 100 (Notable)
20 November 1956	Fairymead Sugar Mill, AU	daily rain	84.6 mm (3.3 in)	53.1 mm (2.1 in)	19 years	45 of 100 (Notable)
20 November 1956	Hancock Exp Farm, US	daily snowfall	12.7 cm (5.0 in)	10.2 cm (4.0 in)	45 years	45 of 100 (Notable)
20 November 1956	Kollegal, IN	daily rain	62.2 mm (2.4 in)	54.1 mm (2.1 in)	17 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 1956

Records set or tied on this calendar date in each year from 1793 to 1956. 1956 had 598 records.

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

Records on 11-20 in each year
Year	Records
1793	1
1809	2
1816	3
1829	4
1835	1
1836	1
1847	1
1851	1
1852	1
1855	1
1858	1
1859	1
1862	1
1865	1
1871	1
1873	1
1874	1
1878	1
1879	3
1880	2
1881	1
1884	1
1885	2
1886	1
1887	1
1889	3
1890	2
1891	4
1893	2
1894	1
1897	7
1900	11
1901	6
1902	10
1903	10
1904	9
1905	7
1906	22
1907	5
1908	8
1909	26
1910	14
1911	29
1912	15
1913	64
1914	89
1915	12
1916	16
1917	65
1918	14
1919	47
1920	15
1921	73
1922	26
1923	45
1924	84
1925	224
1926	294
1927	105
1928	140
1929	130
1930	600
1931	646
1932	255
1933	702
1934	477
1935	55
1936	286
1937	1,102
1938	167
1939	265
1940	280
1941	438
1942	774
1943	248
1944	347
1945	322
1946	774
1947	413
1948	651
1949	362
1950	877
1951	742
1952	494
1953	850
1954	876
1955	365
1956	598
1957	190
1958	218
1959	270
1960	330
1961	540
1962	700
1963	597
1964	863
1965	285
1966	434
1967	277
1968	479
1969	710
1970	368
1971	651
1972	729
1973	941
1974	655
1975	660
1976	389
1977	1,332
1978	1,413
1979	819
1980	745
1981	1,119
1982	800
1983	1,054
1984	537
1985	2,379
1986	1,142
1987	666
1988	1,218
1989	986
1990	1,010
1991	798
1992	1,416
1993	1,211
1994	1,484
1995	1,237
1996	1,566
1997	461
1998	829
1999	493
2000	1,163
2001	843
2002	900
2003	1,242
2004	738
2005	432
2006	1,034
2007	1,151
2008	1,171
2009	1,184
2010	678
2011	816
2012	657
2013	411
2014	1,018
2015	733
2016	725
2017	451
2018	339
2019	791
2020	578
2021	414
2022	1,283
2023	554
2024	645
2025	660

Download the Data

Data for records on 1956-11-20: 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	389
20 to 40	42
40 to 60	27
60 to 80	17
80 to 100	7
100 to 120	13
120 to 140	5
140 to 160	1