Weather Records on 20 November 1977

1,332 weather records were set or tied worldwide on 20 November 1977. Highest significance: Warroad, US.

Key Facts for 20 November 1977

On 20 November 1977, 1,332 weather records were set or tied at long-record stations worldwide.
222 were record highs and 663 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 39 monthly and 1,288 daily.
Warroad set a daily record precipitation of 31.2 mm (1.2 in) on 20 November 1977.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 448 records.

Record Map

1,332 stations

1,332 station records on 20 November 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 November 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Warroad	United States	Record daily precipitation	31.2 mm (1.2 in)	64 of 100 (Major)
Eureka	United States	Record daily precipitation	27.9 mm (1.1 in)	61 of 100 (Major)
Dickinson Exp STN	United States	Record daily snowfall	20.3 cm (8.0 in)	60 of 100 (Major)
Lisbon	United States	Record daily precipitation	40.6 mm (1.6 in)	60 of 100 (Major)
Red Lake Indian Agcy	United States	Record daily snowfall	17.8 cm (7.0 in)	59 of 100 (Notable)
Ludlow 3 SSE	United States	Record daily snowfall	22.9 cm (9.0 in)	59 of 100 (Notable)
Toledo Lorenzana	Spain	Record daily precipitation	43.8 mm (1.7 in)	58 of 100 (Notable)
Mayville	United States	Record daily snowfall	27.9 cm (11.0 in)	57 of 100 (Notable)
Mc Intosh 6 SE	United States	Record daily snowfall	25.4 cm (10.0 in)	57 of 100 (Notable)
Lisbon	United States	Record daily snowfall	40.6 cm (16.0 in)	56 of 100 (Notable)
Mc Henry 3W	United States	Record daily snowfall	20.3 cm (8.0 in)	56 of 100 (Notable)
Valley City 3 NNW	United States	Record daily snowfall	20.3 cm (8.0 in)	56 of 100 (Notable)
Wee Waa (Pendennis)	Australia	Record daily precipitation	46.0 mm (1.8 in)	55 of 100 (Notable)
Cooperstown	United States	Record daily precipitation	33.0 mm (1.3 in)	55 of 100 (Notable)
Dunn Ctr 1E	United States	Record daily snowfall	21.6 cm (8.5 in)	55 of 100 (Notable)
Bison	United States	Record daily precipitation	25.4 mm (1.0 in)	55 of 100 (Notable)
Fargo Hector Intl AP	United States	Record daily precipitation	36.3 mm (1.4 in)	55 of 100 (Notable)
Muckaty	Australia	Record daily precipitation	55.0 mm (2.2 in)	54 of 100 (Notable)
Park River	United States	Record daily precipitation	25.4 mm (1.0 in)	54 of 100 (Notable)
Sioux Lookout A	Canada	Record daily precipitation	25.4 mm (1.0 in)	53 of 100 (Notable)
Eagle Butte	United States	Record daily snowfall	20.3 cm (8.0 in)	53 of 100 (Notable)
Newell	United States	Record daily snowfall	15.2 cm (6.0 in)	53 of 100 (Notable)
Red Lake Falls	United States	Record daily snowfall	22.9 cm (9.0 in)	52 of 100 (Notable)
Winnipeg Richardson Int'l A	Canada	Record daily snowfall	17.2 cm (6.8 in)	51 of 100 (Notable)
Carson	United States	Record daily snowfall	20.3 cm (8.0 in)	51 of 100 (Notable)
Lisse	Netherlands	Record daily precipitation	28.4 mm (1.1 in)	50 of 100 (Notable)
Darby	United States	Record low minimum temperature	-24.4 C (-11.9 F)	50 of 100 (Notable)
Miles City AP	United States	Record daily snowfall	16.3 cm (6.4 in)	49 of 100 (Notable)
Pte de la Hague	France	Record daily precipitation	34.2 mm (1.3 in)	48 of 100 (Notable)
Forman 5 SSE	United States	Record daily snowfall	20.3 cm (8.0 in)	48 of 100 (Notable)
Indian Bay	Canada	Record daily snowfall	17.8 cm (7.0 in)	47 of 100 (Notable)
Biddle	United States	Record daily snowfall	20.3 cm (8.0 in)	47 of 100 (Notable)
Vanrook Station	Australia	Record daily precipitation	66.4 mm (2.6 in)	46 of 100 (Notable)
Red Lake A	Canada	Record daily snowfall	21.0 cm (8.3 in)	46 of 100 (Notable)
Foxholm 7 N	United States	Record daily snowfall	17.8 cm (7.0 in)	46 of 100 (Notable)
Hankinson	United States	Record daily precipitation	26.9 mm (1.1 in)	46 of 100 (Notable)
Redmond 2 W	United States	Record low minimum temperature	-22.8 C (-9.0 F)	46 of 100 (Notable)
Kenora A	Canada	Record daily snowfall	23.6 cm (9.3 in)	45 of 100 (Notable)
Sioux Lookout A	Canada	Record daily snowfall	25.4 cm (10.0 in)	45 of 100 (Notable)
Dillon U of Montana Western	United States	Record low minimum temperature	-30.6 C (-23.1 F)	45 of 100 (Notable)
Larimore 4SW	United States	Record daily precipitation	30.5 mm (1.2 in)	45 of 100 (Notable)
Pickle Lake (Aut)	Canada	Record daily snowfall	23.4 cm (9.2 in)	44 of 100 (Notable)
Leiden	Netherlands	Record daily precipitation	27.7 mm (1.1 in)	44 of 100 (Notable)
Moffit 3 SE	United States	Record daily snowfall	12.7 cm (5.0 in)	44 of 100 (Notable)
Richardton Abbey	United States	Record daily snowfall	17.8 cm (7.0 in)	44 of 100 (Notable)
Halden	Norway	Record daily precipitation	25.2 mm (1.0 in)	43 of 100 (Notable)
Kalispell Glacier AP	United States	Record low minimum temperature	-26.7 C (-16.1 F)	43 of 100 (Notable)
New Salem 5NW	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Beulah	United States	Record low minimum temperature	-17.8 C (0.0 F)	43 of 100 (Notable)
Linhult_D	Sweden	Record daily precipitation	33.8 mm (1.3 in)	42 of 100 (Notable)
Kent	United States	Record low minimum temperature	-17.2 C (1.0 F)	42 of 100 (Notable)
Rochelle 7ENE	United States	Record snow depth	17.8 cm (7.0 in)	42 of 100 (Notable)
Vishakhapatnam	India	Record daily precipitation	70.1 mm (2.8 in)	41 of 100 (Notable)
Stromsnasbruk	Sweden	Record daily precipitation	28.0 mm (1.1 in)	41 of 100 (Notable)
Ada	United States	Record daily precipitation	32.8 mm (1.3 in)	41 of 100 (Notable)
Butte 5SE	United States	Record daily snowfall	17.8 cm (7.0 in)	41 of 100 (Notable)
Hot Springs	United States	Record snow depth	17.8 cm (7.0 in)	41 of 100 (Notable)
Fargo Hector Intl AP	United States	Record daily snowfall	30.5 cm (12.0 in)	41 of 100 (Notable)
Lysebotn	Norway	Record snow depth	25.0 cm (9.8 in)	40 of 100 (Notable)
Haggarda	Sweden	Record daily precipitation	26.2 mm (1.0 in)	40 of 100 (Notable)

Counts by Type and Timescale

1,332 records

Records set or tied on 20 November 1977 by type: Highest daily maximum 76, Lowest daily maximum 325, Highest daily minimum 146, Lowest daily minimum 338, Heaviest daily rainfall 255, Heaviest daily snowfall 139, Deepest snow cover 53.

Records on 20 November 1977 by type
Record type	Records
Highest daily maximum	76
Lowest daily maximum	325
Highest daily minimum	146
Lowest daily minimum	338
Heaviest daily rainfall	255
Heaviest daily snowfall	139
Deepest snow cover	53

Records on 20 November 1977 by timescale: all-time 5, monthly 39, daily 1,288.

How Much Records Were Beaten By

1,125 broken records

Margins by which the 1,125 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 337.0. Ties are not counted.

Top 20 by Significance

20 November 1977

Top 20 records on 20 November 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 November 1977	Warroad, US	daily rain	31.2 mm (1.2 in)	23.8 mm (0.9 in)	56 years	64 of 100 (Major)
20 November 1977	Eureka, US	daily rain	27.9 mm (1.1 in)	17.5 mm (0.7 in)	47 years	61 of 100 (Major)
20 November 1977	Dickinson Exp STN, US	daily snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	80 years	60 of 100 (Major)
20 November 1977	Lisbon, US	daily rain	40.6 mm (1.6 in)	24.3 mm (1.0 in)	46 years	60 of 100 (Major)
20 November 1977	Red Lake Indian Agcy, US	daily snowfall	17.8 cm (7.0 in)	10.2 cm (4.0 in)	82 years	59 of 100 (Notable)
20 November 1977	Ludlow 3 SSE, US	daily snowfall	22.9 cm (9.0 in)	20.4 cm (8.0 in)	48 years	59 of 100 (Notable)
20 November 1977	Toledo Lorenzana, ES	daily rain	43.8 mm (1.7 in)	30.2 mm (1.2 in)	44 years	58 of 100 (Notable)
20 November 1977	Mayville, US	all-time snowfall	27.9 cm (11.0 in)	2.5 cm (1.0 in)	81 years	57 of 100 (Notable)
20 November 1977	Mc Intosh 6 SE, US	monthly snowfall	25.4 cm (10.0 in)	11.4 cm (4.5 in)	11 years	57 of 100 (Notable)
20 November 1977	Lisbon, US	daily snowfall	40.6 cm (16.0 in)	33.7 cm (13.3 in)	30 years	56 of 100 (Notable)
20 November 1977	Mc Henry 3W, US	daily snowfall	20.3 cm (8.0 in)	13.7 cm (5.4 in)	39 years	56 of 100 (Notable)
20 November 1977	Valley City 3 NNW, US	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	80 years	56 of 100 (Notable)
20 November 1977	Wee Waa (Pendennis), AU	daily rain	46.0 mm (1.8 in)	25.7 mm (1.0 in)	83 years	55 of 100 (Notable)
20 November 1977	Cooperstown, US	daily rain	33.0 mm (1.3 in)	27.9 mm (1.1 in)	28 years	55 of 100 (Notable)
20 November 1977	Dunn Ctr 1E, US	daily snowfall	21.6 cm (8.5 in)	18.8 cm (7.4 in)	31 years	55 of 100 (Notable)
20 November 1977	Bison, US	daily rain	25.4 mm (1.0 in)	20.3 mm (0.8 in)	30 years	55 of 100 (Notable)
20 November 1977	Fargo Hector Intl AP, US	daily rain	36.3 mm (1.4 in)	24.1 mm (0.9 in)	24 years	55 of 100 (Notable)
20 November 1977	Muckaty, AU	monthly rain	55.0 mm (2.2 in)	24.5 mm (1.0 in)	29 years	54 of 100 (Notable)
20 November 1977	Park River, US	daily rain	25.4 mm (1.0 in)	20.3 mm (0.8 in)	46 years	54 of 100 (Notable)
20 November 1977	Sioux Lookout A, CA	daily rain	25.4 mm (1.0 in)	18.3 mm (0.7 in)	32 years	53 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 1977

Records set or tied on this calendar date in each year from 1793 to 1977. 1977 had 1,332 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 1977-11-20: 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 50	1,048
50 to 100	41
100 to 150	27
150 to 200	7
200 to 250	1
250 to 300	0
300 to 350	1