Weather Records on 21 November 1974

809 weather records were set or tied worldwide on 21 November 1974. Highest significance: Seward AP, US.

Key Facts for 21 November 1974

On 21 November 1974, 809 weather records were set or tied at long-record stations worldwide.
331 were record highs and 16 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 17 monthly and 792 daily.
Seward AP set a monthly record daily snowfall of 55.9 cm (22.0 in) on 21 November 1974.
Across 159 earlier years (1803 to 2025) the same calendar date averaged 447 records.

Record Map

809 stations

809 station records on 21 November 1974 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 November 1974: highest significance records shown on the map
Station	Country	Type	Value	Significance
Seward AP	United States	Record daily snowfall	55.9 cm (22.0 in)	72 of 100 (Major)
Presque Isle	United States	Record daily snowfall	24.1 cm (9.5 in)	67 of 100 (Major)
Mountain View	Canada	Record daily precipitation	33.0 mm (1.3 in)	62 of 100 (Major)
Mountain View	Canada	Record daily snowfall	33.0 cm (13.0 in)	62 of 100 (Major)
Montville "Craglands"	Australia	Record daily precipitation	118.0 mm (4.6 in)	58 of 100 (Notable)
Houlton	United States	Record daily snowfall	22.9 cm (9.0 in)	57 of 100 (Notable)
Cumbalum (Fairview)	Australia	Record daily precipitation	80.0 mm (3.1 in)	54 of 100 (Notable)
Traveston	Australia	Record daily precipitation	66.8 mm (2.6 in)	53 of 100 (Notable)
Homer AP	United States	Record daily snowfall	30.5 cm (12.0 in)	52 of 100 (Notable)
Pine Creek	Australia	Record daily precipitation	54.0 mm (2.1 in)	51 of 100 (Notable)
Taguai (Ribeiropolis)	Brazil	Record daily precipitation	84.5 mm (3.3 in)	51 of 100 (Notable)
Bonners Ferry	United States	Record daily precipitation	39.9 mm (1.6 in)	51 of 100 (Notable)
Mountain View Birdseye	Canada	Record daily precipitation	52.1 mm (2.1 in)	50 of 100 (Notable)
Shawinigan	Canada	Record daily snowfall	22.9 cm (9.0 in)	50 of 100 (Notable)
Mountain View Birdseye	Canada	Record daily snowfall	52.1 cm (20.5 in)	49 of 100 (Notable)
Watertown	United States	Record daily precipitation	33.8 mm (1.3 in)	49 of 100 (Notable)
Nuuanu Rsch 4 783	United States	Record daily precipitation	173.2 mm (6.8 in)	49 of 100 (Notable)
La Pocatiere Cda	Canada	Record daily precipitation	41.4 mm (1.6 in)	48 of 100 (Notable)
Milan 7 NNW	United States	Record daily precipitation	46.7 mm (1.8 in)	48 of 100 (Notable)
Manoa Tun 2 716	United States	Record daily precipitation	180.8 mm (7.1 in)	48 of 100 (Notable)
Kalihi Rsch Site 777	United States	Record daily precipitation	194.6 mm (7.7 in)	47 of 100 (Notable)
Beaver Mines	Canada	Record daily precipitation	39.4 mm (1.6 in)	46 of 100 (Notable)
Manchester	United States	Record daily precipitation	28.7 mm (1.1 in)	45 of 100 (Notable)
Beaver Mines	Canada	Record daily snowfall	39.4 cm (15.5 in)	44 of 100 (Notable)
La Pocatiere Cda	Canada	Record daily snowfall	41.4 cm (16.3 in)	44 of 100 (Notable)
Lancaster	United States	Record daily precipitation	29.7 mm (1.2 in)	44 of 100 (Notable)
Monte Verde Paulista	Brazil	Record daily precipitation	91.3 mm (3.6 in)	43 of 100 (Notable)
Port Hastings	Canada	Record daily precipitation	37.6 mm (1.5 in)	43 of 100 (Notable)
Caldwell	Canada	Record daily precipitation	36.1 mm (1.4 in)	42 of 100 (Notable)
Hawkinsville	United States	Record daily precipitation	25.4 mm (1.0 in)	42 of 100 (Notable)
Gabriels	United States	Record daily precipitation	27.9 mm (1.1 in)	42 of 100 (Notable)
Pomeroy	United States	Record high minimum temperature	12.8 C (55.0 F)	42 of 100 (Notable)
Caldwell	Canada	Record daily snowfall	36.1 cm (14.2 in)	41 of 100 (Notable)
Berthierville	Canada	Record daily snowfall	25.4 cm (10.0 in)	41 of 100 (Notable)
Nicolet	Canada	Record daily snowfall	16.0 cm (6.3 in)	41 of 100 (Notable)
Woodstock	United States	Record daily precipitation	31.8 mm (1.3 in)	40 of 100 (Notable)
Falls River	Canada	Record daily snowfall	55.9 cm (22.0 in)	39 of 100 (Notable)
Raipur	India	Record daily precipitation	37.1 mm (1.5 in)	39 of 100 (Notable)
Timiryazevskij	Russia	Record daily precipitation	28.3 mm (1.1 in)	39 of 100 (Notable)
Summerside A	Canada	Record daily snowfall	15.5 cm (6.1 in)	38 of 100 (Notable)
Port Aux Basques	Canada	Record daily snowfall	8.1 cm (3.2 in)	38 of 100 (Notable)
Bairro Do Pinheiro	Brazil	Record daily precipitation	48.7 mm (1.9 in)	37 of 100 (Notable)
Fort Macleod	Canada	Record daily snowfall	12.7 cm (5.0 in)	37 of 100 (Notable)
Barrage Lac Morin	Canada	Record daily precipitation	36.6 mm (1.4 in)	37 of 100 (Notable)
Wray	United States	Record high maximum temperature	27.2 C (81.0 F)	37 of 100 (Notable)
Pilot Rock 1 SE	United States	Record high minimum temperature	12.8 C (55.0 F)	37 of 100 (Notable)
Richland	United States	Record high minimum temperature	3.9 C (39.0 F)	37 of 100 (Notable)
Palolo Vly 718	United States	Record daily precipitation	153.9 mm (6.1 in)	37 of 100 (Notable)
Barrow Creek	Australia	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Ibitiuva	Brazil	Record daily precipitation	79.1 mm (3.1 in)	36 of 100 (Notable)
Trois Rivieres	Canada	Record daily precipitation	41.1 mm (1.6 in)	36 of 100 (Notable)
St Fereol	Canada	Record daily snowfall	19.1 cm (7.5 in)	36 of 100 (Notable)
Moncton A	Canada	Record daily snowfall	20.8 cm (8.2 in)	36 of 100 (Notable)
Colton 2 N	United States	Record daily precipitation	31.5 mm (1.2 in)	36 of 100 (Notable)
Cavendish	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Elko Rgnl AP	United States	Record high minimum temperature	6.7 C (44.1 F)	36 of 100 (Notable)
St Hyacinthe	Canada	Record daily snowfall	17.8 cm (7.0 in)	35 of 100 (Notable)
Cap Chat	Canada	Record daily snowfall	15.2 cm (6.0 in)	35 of 100 (Notable)
Causapscal	Canada	Record daily snowfall	22.6 cm (8.9 in)	35 of 100 (Notable)
Plattsburgh AFB	United States	Record daily snowfall	22.9 cm (9.0 in)	35 of 100 (Notable)

Counts by Type and Timescale

809 records

Records set or tied on 21 November 1974 by type: Highest daily maximum 170, Lowest daily maximum 11, Highest daily minimum 161, Lowest daily minimum 5, Heaviest daily rainfall 362, Heaviest daily snowfall 94, Deepest snow cover 6.

Records on 21 November 1974 by type
Record type	Records
Highest daily maximum	170
Lowest daily maximum	11
Highest daily minimum	161
Lowest daily minimum	5
Heaviest daily rainfall	362
Heaviest daily snowfall	94
Deepest snow cover	6

Records on 21 November 1974 by timescale: all-time 0, monthly 17, daily 792.

How Much Records Were Beaten By

719 broken records

Margins by which the 719 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 318.0. Ties are not counted.

Top 20 by Significance

21 November 1974

Top 20 records on 21 November 1974 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 November 1974	Seward AP, US	monthly snowfall	55.9 cm (22.0 in)	30.5 cm (12.0 in)	54 years	72 of 100 (Major)
21 November 1974	Presque Isle, US	daily snowfall	24.1 cm (9.5 in)	19.0 cm (7.5 in)	64 years	67 of 100 (Major)
21 November 1974	Mountain View, CA	daily rain	33.0 mm (1.3 in)	25.4 mm (1.0 in)	56 years	62 of 100 (Major)
21 November 1974	Mountain View, CA	daily snowfall	33.0 cm (13.0 in)	25.4 cm (10.0 in)	56 years	62 of 100 (Major)
21 November 1974	Montville "Craglands", AU	daily rain	118.0 mm (4.6 in)	80.9 mm (3.2 in)	40 years	58 of 100 (Notable)
21 November 1974	Houlton, US	daily snowfall	22.9 cm (9.0 in)	15.3 cm (6.0 in)	78 years	57 of 100 (Notable)
21 November 1974	Cumbalum (Fairview), AU	daily rain	80.0 mm (3.1 in)	39.4 mm (1.6 in)	80 years	54 of 100 (Notable)
21 November 1974	Traveston, AU	daily rain	66.8 mm (2.6 in)	55.4 mm (2.2 in)	40 years	53 of 100 (Notable)
21 November 1974	Homer AP, US	daily snowfall	30.5 cm (12.0 in)	25.4 cm (10.0 in)	35 years	52 of 100 (Notable)
21 November 1974	Pine Creek, AU	daily rain	54.0 mm (2.1 in)	23.5 mm (0.9 in)	87 years	51 of 100 (Notable)
21 November 1974	Taguai (Ribeiropolis), BR	daily rain	84.5 mm (3.3 in)	54.5 mm (2.1 in)	32 years	51 of 100 (Notable)
21 November 1974	Bonners Ferry, US	daily rain	39.9 mm (1.6 in)	19.6 mm (0.8 in)	64 years	51 of 100 (Notable)
21 November 1974	Mountain View Birdseye, CA	daily rain	52.1 mm (2.1 in)	31.8 mm (1.3 in)	28 years	50 of 100 (Notable)
21 November 1974	Shawinigan, CA	daily snowfall	22.9 cm (9.0 in)	14.5 cm (5.7 in)	56 years	50 of 100 (Notable)
21 November 1974	Mountain View Birdseye, CA	daily snowfall	52.1 cm (20.5 in)	31.8 cm (12.5 in)	28 years	49 of 100 (Notable)
21 November 1974	Watertown, US	daily rain	33.8 mm (1.3 in)	20.3 mm (0.8 in)	53 years	49 of 100 (Notable)
21 November 1974	Nuuanu Rsch 4 783, US	daily rain	173.2 mm (6.8 in)	126.0 mm (5.0 in)	23 years	49 of 100 (Notable)
21 November 1974	La Pocatiere Cda, CA	daily rain	41.4 mm (1.6 in)	21.1 mm (0.8 in)	52 years	48 of 100 (Notable)
21 November 1974	Milan 7 NNW, US	daily rain	46.7 mm (1.8 in)	30.7 mm (1.2 in)	24 years	48 of 100 (Notable)
21 November 1974	Manoa Tun 2 716, US	daily rain	180.8 mm (7.1 in)	105.6 mm (4.2 in)	16 years	48 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

1803 to 1974

Records set or tied on this calendar date in each year from 1803 to 1974. 1974 had 809 records.

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

Records on 11-21 in each year
Year	Records
1803	1
1816	2
1821	2
1829	1
1835	1
1839	1
1844	1
1847	1
1855	1
1856	1
1857	1
1858	4
1866	1
1868	1
1870	2
1871	2
1872	1
1873	2
1874	1
1876	2
1879	4
1880	4
1881	1
1882	1
1883	3
1887	3
1889	1
1890	7
1893	1
1894	4
1896	1
1897	4
1898	3
1899	4
1900	7
1901	5
1902	7
1903	5
1904	9
1905	3
1906	14
1907	7
1908	9
1909	18
1910	23
1911	19
1912	14
1913	79
1914	51
1915	21
1916	66
1917	248
1918	12
1919	22
1920	36
1921	96
1922	42
1923	27
1924	104
1925	73
1926	420
1927	108
1928	109
1929	467
1930	243
1931	682
1932	162
1933	381
1934	578
1935	62
1936	192
1937	1,309
1938	119
1939	303
1940	337
1941	329
1942	662
1943	212
1944	250
1945	308
1946	604
1947	540
1948	414
1949	588
1950	904
1951	605
1952	424
1953	408
1954	927
1955	419
1956	624
1957	442
1958	407
1959	460
1960	691
1961	738
1962	524
1963	601
1964	1,014
1965	448
1966	589
1967	336
1968	358
1969	611
1970	400
1971	514
1972	735
1973	1,100
1974	809
1975	548
1976	315
1977	1,313
1978	1,034
1979	1,409
1980	805
1981	939
1982	807
1983	1,066
1984	525
1985	1,808
1986	815
1987	949
1988	928
1989	797
1990	1,337
1991	944
1992	1,375
1993	1,413
1994	1,179
1995	1,084
1996	1,882
1997	449
1998	1,312
1999	920
2000	1,191
2001	811
2002	847
2003	1,007
2004	873
2005	491
2006	1,181
2007	936
2008	1,079
2009	1,131
2010	894
2011	944
2012	792
2013	543
2014	815
2015	785
2016	1,000
2017	687
2018	391
2019	653
2020	421
2021	296
2022	824
2023	584
2024	519
2025	745

Download the Data

Data for records on 1974-11-21: 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 2026-10-16 (16 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	661
50 to 100	31
100 to 150	14
150 to 200	7
200 to 250	2
250 to 300	2
300 to 350	2