Weather Records on 20 November 1951

742 weather records were set or tied worldwide on 20 November 1951. Highest significance: Hiram, US.

Key Facts for 20 November 1951

On 20 November 1951, 742 weather records were set or tied at long-record stations worldwide.
57 were record highs and 528 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 736 daily.
Hiram set a daily record snow depth of 45.7 cm (18.0 in) on 20 November 1951.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 452 records.

Record Map

742 stations

742 station records on 20 November 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 November 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hiram	United States	Record snow depth	45.7 cm (18.0 in)	49 of 100 (Notable)
Low Isles Lighthouse	Australia	Record daily precipitation	119.4 mm (4.7 in)	47 of 100 (Notable)
Kohala Mis 175.1	United States	Record daily precipitation	66.8 mm (2.6 in)	47 of 100 (Notable)
Tahoe City	United States	Record daily snowfall	48.3 cm (19.0 in)	46 of 100 (Notable)
Cooktown Post Office	Australia	Record daily precipitation	86.4 mm (3.4 in)	44 of 100 (Notable)
Archer Point Lighthouse	Australia	Record daily precipitation	49.0 mm (1.9 in)	42 of 100 (Notable)
Kohala 179.1	United States	Record daily precipitation	57.7 mm (2.3 in)	42 of 100 (Notable)
Alattur	India	Record daily precipitation	158.0 mm (6.2 in)	41 of 100 (Notable)
Mtn View 91	United States	Record daily precipitation	196.6 mm (7.7 in)	40 of 100 (Notable)
Chudleigh Park Station	Australia	Record daily precipitation	50.8 mm (2.0 in)	38 of 100 (Notable)
Ayton	Australia	Record daily precipitation	60.7 mm (2.4 in)	37 of 100 (Notable)
Willows 6 W	United States	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Lake City Exp Farm	United States	Record low minimum temperature	-21.7 C (-7.1 F)	37 of 100 (Notable)
Hawi 168	United States	Record daily precipitation	49.0 mm (1.9 in)	36 of 100 (Notable)
Emporium 1 E	United States	Record low minimum temperature	-15.6 C (3.9 F)	35 of 100 (Notable)
Hilo 86A	United States	Record daily precipitation	128.3 mm (5.1 in)	35 of 100 (Notable)
Lakeport	United States	Record daily precipitation	44.5 mm (1.8 in)	34 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record snow depth	22.9 cm (9.0 in)	34 of 100 (Routine)
Buxton	United Kingdom	Record daily precipitation	30.6 mm (1.2 in)	33 of 100 (Routine)
Devrukh	India	Record daily precipitation	53.3 mm (2.1 in)	32 of 100 (Routine)
Dapoli	India	Record daily precipitation	52.6 mm (2.1 in)	32 of 100 (Routine)
Manchester	United States	Record low maximum temperature	-2.8 C (27.0 F)	32 of 100 (Routine)
Emporium 1 E	United States	Record snow depth	10.2 cm (4.0 in)	32 of 100 (Routine)
Athipettu	India	Record daily precipitation	128.0 mm (5.0 in)	31 of 100 (Routine)
Louisburg	United States	Record low minimum temperature	-10.6 C (12.9 F)	30 of 100 (Routine)
Babinda Post Office	Australia	Record daily precipitation	100.8 mm (4.0 in)	29 of 100 (Routine)
Simcoe	Canada	Record low minimum temperature	-12.2 C (10.0 F)	29 of 100 (Routine)
Gavle	Sweden	Record high minimum temperature	5.1 C (41.2 F)	28 of 100 (Routine)
Chapel Hill 2 W	United States	Record low minimum temperature	-9.4 C (15.1 F)	28 of 100 (Routine)
Emporium 1 E	United States	Record low maximum temperature	-5.6 C (21.9 F)	28 of 100 (Routine)
Greenville 2 NE	United States	Record snow depth	20.3 cm (8.0 in)	28 of 100 (Routine)
Traverse Cy Cherry Capital AP	United States	Record low minimum temperature	-16.7 C (1.9 F)	28 of 100 (Routine)
Annur	India	Record daily precipitation	38.1 mm (1.5 in)	27 of 100 (Routine)
Risnes I Fjotland	Norway	Record daily precipitation	43.3 mm (1.7 in)	27 of 100 (Routine)
Kristianstad	Sweden	Record high minimum temperature	7.4 C (45.3 F)	27 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record high minimum temperature	5.5 C (41.9 F)	27 of 100 (Routine)
St Petersburg	United States	Record low minimum temperature	4.4 C (39.9 F)	27 of 100 (Routine)
Higgins Lake	United States	Record low minimum temperature	-19.4 C (-2.9 F)	27 of 100 (Routine)
Ithaca Cornell UNIV	United States	Record snow depth	10.2 cm (4.0 in)	27 of 100 (Routine)
Greeneville Exp STN	United States	Record low minimum temperature	-12.2 C (10.0 F)	27 of 100 (Routine)
Paauilo 221	United States	Record daily precipitation	170.9 mm (6.7 in)	27 of 100 (Routine)
Yarrabah Comm Council	Australia	Record daily precipitation	82.0 mm (3.2 in)	26 of 100 (Routine)
Peraiyur	India	Record daily precipitation	62.2 mm (2.4 in)	26 of 100 (Routine)
Pilgrims Rest (Pol)	South Africa	Record daily precipitation	27.9 mm (1.1 in)	26 of 100 (Routine)
Orebro	Sweden	Record high minimum temperature	6.0 C (42.8 F)	26 of 100 (Routine)
Stockholm	Sweden	Record high minimum temperature	5.8 C (42.4 F)	26 of 100 (Routine)
Hailey 3 NNW	United States	Record daily snowfall	10.2 cm (4.0 in)	26 of 100 (Routine)
Grayling	United States	Record low minimum temperature	-18.3 C (-0.9 F)	26 of 100 (Routine)
Smithfield	United States	Record low maximum temperature	6.1 C (43.0 F)	26 of 100 (Routine)
Conway	United States	Record low maximum temperature	6.1 C (43.0 F)	26 of 100 (Routine)
Darlington	United States	Record low minimum temperature	-8.3 C (17.1 F)	26 of 100 (Routine)
Yakutat AP	United States	Record low minimum temperature	-17.2 C (1.0 F)	26 of 100 (Routine)
Waterbury	United States	Record low maximum temperature	0.0 C (32.0 F)	25 of 100 (Routine)
Salem	United States	Record low minimum temperature	-13.3 C (8.1 F)	25 of 100 (Routine)
Princeton	United States	Record low minimum temperature	-10.0 C (14.0 F)	25 of 100 (Routine)
Alexandria	United States	Record low minimum temperature	-5.6 C (21.9 F)	25 of 100 (Routine)
Cumberland	United States	Record low maximum temperature	-0.6 C (30.9 F)	25 of 100 (Routine)
Mio Hydro Plt	United States	Record low minimum temperature	-16.1 C (3.0 F)	25 of 100 (Routine)
Freehold-Marlboro	United States	Record low maximum temperature	1.1 C (34.0 F)	25 of 100 (Routine)
Edenton	United States	Record low maximum temperature	1.7 C (35.1 F)	25 of 100 (Routine)

Counts by Type and Timescale

742 records

Records set or tied on 20 November 1951 by type: Highest daily maximum 20, Lowest daily maximum 292, Highest daily minimum 37, Lowest daily minimum 236, Heaviest daily rainfall 128, Heaviest daily snowfall 23, Deepest snow cover 6.

Records on 20 November 1951 by type
Record type	Records
Highest daily maximum	20
Lowest daily maximum	292
Highest daily minimum	37
Lowest daily minimum	236
Heaviest daily rainfall	128
Heaviest daily snowfall	23
Deepest snow cover	6

Records on 20 November 1951 by timescale: all-time 0, monthly 6, daily 736.

How Much Records Were Beaten By

605 broken records

Margins by which the 605 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 445.0. Ties are not counted.

Top 20 by Significance

20 November 1951

Top 20 records on 20 November 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 November 1951	Hiram, US	daily snow depth	45.7 cm (18.0 in)	38.1 cm (15.0 in)	13 years	49 of 100 (Notable)
20 November 1951	Low Isles Lighthouse, AU	daily rain	119.4 mm (4.7 in)	69.6 mm (2.7 in)	4 years	47 of 100 (Notable)
20 November 1951	Kohala Mis 175.1, US	daily rain	66.8 mm (2.6 in)	47.0 mm (1.9 in)	29 years	47 of 100 (Notable)
20 November 1951	Tahoe City, US	daily snowfall	48.3 cm (19.0 in)	44.5 cm (17.5 in)	8 years	46 of 100 (Notable)
20 November 1951	Cooktown Post Office, AU	daily rain	86.4 mm (3.4 in)	30.3 mm (1.2 in)	61 years	44 of 100 (Notable)
20 November 1951	Archer Point Lighthouse, AU	daily rain	49.0 mm (1.9 in)	40.9 mm (1.6 in)	12 years	42 of 100 (Notable)
20 November 1951	Kohala 179.1, US	daily rain	57.7 mm (2.3 in)	40.9 mm (1.6 in)	29 years	42 of 100 (Notable)
20 November 1951	Alattur, IN	monthly rain	158.0 mm (6.2 in)	36.1 mm (1.4 in)	30 years	41 of 100 (Notable)
20 November 1951	Mtn View 91, US	daily rain	196.6 mm (7.7 in)	85.9 mm (3.4 in)	20 years	40 of 100 (Notable)
20 November 1951	Chudleigh Park Station, AU	daily rain	50.8 mm (2.0 in)	35.6 mm (1.4 in)	22 years	38 of 100 (Notable)
20 November 1951	Ayton, AU	daily rain	60.7 mm (2.4 in)	34.3 mm (1.4 in)	12 years	37 of 100 (Notable)
20 November 1951	Willows 6 W, US	daily rain	45.7 mm (1.8 in)	28.2 mm (1.1 in)	13 years	37 of 100 (Notable)
20 November 1951	Lake City Exp Farm, US	daily low min	-21.7 C (-7.1 F)	10.0 C (18.0 F)	48 years	37 of 100 (Notable)
20 November 1951	Hawi 168, US	daily rain	49.0 mm (1.9 in)	34.3 mm (1.4 in)	17 years	36 of 100 (Notable)
20 November 1951	Emporium 1 E, US	daily low min	-15.6 C (3.9 F)	6.7 C (12.1 F)	56 years	35 of 100 (Notable)
20 November 1951	Hilo 86A, US	daily rain	128.3 mm (5.1 in)	71.4 mm (2.8 in)	16 years	35 of 100 (Notable)
20 November 1951	Lakeport, US	daily rain	44.5 mm (1.8 in)	31.3 mm (1.2 in)	24 years	34 of 100 (Routine)
20 November 1951	Cleveland 2717 Euclid, US	daily snow depth	22.9 cm (9.0 in)	17.8 cm (7.0 in)	24 years	34 of 100 (Routine)
20 November 1951	Buxton, GB	daily rain	30.6 mm (1.2 in)	11.5 mm (0.5 in)	37 years	33 of 100 (Routine)
20 November 1951	Devrukh, IN	daily rain	53.3 mm (2.1 in)	37.8 mm (1.5 in)	33 years	32 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 1951

Records set or tied on this calendar date in each year from 1793 to 1951. 1951 had 742 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 1951-11-20: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Histogram of margins by which records were beaten on 20 November 1951
Margin	Records
0 to 100	600
100 to 200	2
200 to 300	1
300 to 400	1
400 to 500	1