Weather Records on 21 November 1978

1,034 weather records were set or tied worldwide on 21 November 1978. Highest significance: Le Grand, US.

Key Facts for 21 November 1978

On 21 November 1978, 1,034 weather records were set or tied at long-record stations worldwide.
87 were record highs and 659 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 37 monthly and 995 daily.
Le Grand set a daily record precipitation of 36.8 mm (1.4 in) on 21 November 1978.
Across 159 earlier years (1803 to 2025) the same calendar date averaged 446 records.

Record Map

1,034 stations

1,034 station records on 21 November 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 November 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Le Grand	United States	Record daily precipitation	36.8 mm (1.4 in)	59 of 100 (Notable)
Kahlotus 5 SSW	United States	Record snow depth	27.9 cm (11.0 in)	57 of 100 (Notable)
Turlock #2	United States	Record daily precipitation	26.9 mm (1.1 in)	56 of 100 (Notable)
Milton Freewater	United States	Record snow depth	12.7 cm (5.0 in)	54 of 100 (Notable)
Ventersburg (Mag)	South Africa	Record daily precipitation	56.5 mm (2.2 in)	53 of 100 (Notable)
Hetch Hetchy	United States	Record snow depth	27.9 cm (11.0 in)	50 of 100 (Notable)
Santa Cruz	Brazil	Record daily precipitation	32.2 mm (1.3 in)	49 of 100 (Notable)
Priest Valley	United States	Record daily precipitation	56.4 mm (2.2 in)	49 of 100 (Notable)
Merced	United States	Record daily precipitation	33.3 mm (1.3 in)	47 of 100 (Notable)
Pinnacles Np	United States	Record daily precipitation	51.6 mm (2.0 in)	47 of 100 (Notable)
Ft Washakie 1 SE	United States	Record snow depth	86.4 cm (34.0 in)	47 of 100 (Notable)
Gore Bay	Canada	Record daily snowfall	21.0 cm (8.3 in)	46 of 100 (Notable)
Union	United States	Record snow depth	15.2 cm (6.0 in)	46 of 100 (Notable)
Bushy Band	South Africa	Record daily precipitation	55.5 mm (2.2 in)	45 of 100 (Notable)
Storm Lake	United States	Record snow depth	15.2 cm (6.0 in)	45 of 100 (Notable)
Sogndal - Selseng	Norway	Record daily precipitation	39.1 mm (1.5 in)	44 of 100 (Notable)
Ft Benton	United States	Record snow depth	33.0 cm (13.0 in)	44 of 100 (Notable)
Willow City	United States	Record low minimum temperature	-35.6 C (-32.1 F)	43 of 100 (Notable)
Kent	United States	Record snow depth	20.3 cm (8.0 in)	43 of 100 (Notable)
Hafslo	Norway	Record daily precipitation	37.7 mm (1.5 in)	41 of 100 (Notable)
Soledad	United States	Record daily precipitation	26.4 mm (1.0 in)	41 of 100 (Notable)
Iliamna AP	United States	Record daily precipitation	40.6 mm (1.6 in)	41 of 100 (Notable)
Belleville	Canada	Record low maximum temperature	-3.5 C (25.7 F)	40 of 100 (Notable)
Martinsdale 3 NNW	United States	Record snow depth	30.5 cm (12.0 in)	40 of 100 (Notable)
Antelope 6 SSW	United States	Record snow depth	15.2 cm (6.0 in)	39 of 100 (Notable)
Helena AP ASOS	United States	Record snow depth	45.7 cm (18.0 in)	39 of 100 (Notable)
Bethel AP	United States	Record daily precipitation	27.4 mm (1.1 in)	39 of 100 (Notable)
Myklebust I Breim	Norway	Record daily precipitation	37.4 mm (1.5 in)	38 of 100 (Notable)
Watsonville Wtr Wks	United States	Record daily precipitation	34.0 mm (1.3 in)	38 of 100 (Notable)
Ironwood	United States	Record low minimum temperature	-25.0 C (-13.0 F)	38 of 100 (Notable)
Pembina	United States	Record low maximum temperature	-18.9 C (-2.0 F)	38 of 100 (Notable)
Emerson	Canada	Record low minimum temperature	-27.8 C (-18.0 F)	37 of 100 (Notable)
Bulken	Norway	Record daily precipitation	40.5 mm (1.6 in)	37 of 100 (Notable)
Hetch Hetchy	United States	Record daily snowfall	22.9 cm (9.0 in)	37 of 100 (Notable)
King City	United States	Record daily precipitation	27.4 mm (1.1 in)	37 of 100 (Notable)
Madera	United States	Record daily precipitation	50.3 mm (2.0 in)	37 of 100 (Notable)
Norddal	Norway	Record daily precipitation	45.0 mm (1.8 in)	36 of 100 (Notable)
Hays 1 S	United States	Record low maximum temperature	-7.2 C (19.0 F)	36 of 100 (Notable)
Spreckels Hwy Brg	United States	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Frankfort 2NE	United States	Record snow depth	27.9 cm (11.0 in)	35 of 100 (Notable)
Towner 2 NE	United States	Record low minimum temperature	-32.8 C (-27.0 F)	35 of 100 (Notable)
Prentice #2	United States	Record low minimum temperature	-27.8 C (-18.0 F)	35 of 100 (Notable)
Beulah	Australia	Record daily precipitation	38.0 mm (1.5 in)	34 of 100 (Routine)
Gaspe	Canada	Record low minimum temperature	-18.0 C (-0.4 F)	34 of 100 (Routine)
Tombstone	United States	Record high minimum temperature	11.1 C (52.0 F)	34 of 100 (Routine)
Beaver City	United States	Record low maximum temperature	-6.1 C (21.0 F)	34 of 100 (Routine)
Ukiah	United States	Record snow depth	20.3 cm (8.0 in)	34 of 100 (Routine)
Dillingham FAA AP	United States	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
Glen Harding	Australia	Record daily precipitation	46.0 mm (1.8 in)	33 of 100 (Routine)
Grindstone Island	Canada	Record low maximum temperature	-4.8 C (23.4 F)	33 of 100 (Routine)
Mayaguez City	Puerto Rico [United States]	Record high minimum temperature	22.2 C (72.0 F)	33 of 100 (Routine)
Big Sur STN	United States	Record daily precipitation	121.9 mm (4.8 in)	33 of 100 (Routine)
Beloit	United States	Record low maximum temperature	-3.9 C (25.0 F)	33 of 100 (Routine)
Two Harbors	United States	Record low minimum temperature	-20.0 C (-4.0 F)	33 of 100 (Routine)
Jamestown State Hosp	United States	Record low minimum temperature	-25.0 C (-13.0 F)	33 of 100 (Routine)
Willow City	United States	Record low maximum temperature	-20.0 C (-4.0 F)	33 of 100 (Routine)
Briksdal	Norway	Record daily precipitation	42.0 mm (1.7 in)	32 of 100 (Routine)
Bridgeport	United States	Record daily snowfall	10.2 cm (4.0 in)	32 of 100 (Routine)
Cambridge	United States	Record low maximum temperature	-8.3 C (17.1 F)	32 of 100 (Routine)
Miles City	United States	Record low maximum temperature	-17.8 C (0.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

1,034 records

Records set or tied on 21 November 1978 by type: Highest daily maximum 39, Lowest daily maximum 428, Highest daily minimum 48, Lowest daily minimum 231, Heaviest daily rainfall 148, Heaviest daily snowfall 45, Deepest snow cover 95.

Records on 21 November 1978 by type
Record type	Records
Highest daily maximum	39
Lowest daily maximum	428
Highest daily minimum	48
Lowest daily minimum	231
Heaviest daily rainfall	148
Heaviest daily snowfall	45
Deepest snow cover	95

Records on 21 November 1978 by timescale: all-time 2, monthly 37, daily 995.

How Much Records Were Beaten By

815 broken records

Margins by which the 815 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 559.0. Ties are not counted.

Top 20 by Significance

21 November 1978

Top 20 records on 21 November 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 November 1978	Le Grand, US	daily rain	36.8 mm (1.4 in)	25.4 mm (1.0 in)	78 years	59 of 100 (Notable)
21 November 1978	Kahlotus 5 SSW, US	daily snow depth	27.9 cm (11.0 in)	20.3 cm (8.0 in)	37 years	57 of 100 (Notable)
21 November 1978	Turlock #2, US	daily rain	26.9 mm (1.1 in)	20.8 mm (0.8 in)	69 years	56 of 100 (Notable)
21 November 1978	Milton Freewater, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	49 years	54 of 100 (Notable)
21 November 1978	Ventersburg (Mag), ZA	daily rain	56.5 mm (2.2 in)	32.6 mm (1.3 in)	59 years	53 of 100 (Notable)
21 November 1978	Hetch Hetchy, US	daily snow depth	27.9 cm (11.0 in)	20.3 cm (8.0 in)	47 years	50 of 100 (Notable)
21 November 1978	Santa Cruz, BR	daily rain	32.2 mm (1.3 in)	27.9 mm (1.1 in)	12 years	49 of 100 (Notable)
21 November 1978	Priest Valley, US	daily rain	56.4 mm (2.2 in)	41.4 mm (1.6 in)	27 years	49 of 100 (Notable)
21 November 1978	Merced, US	daily rain	33.3 mm (1.3 in)	14.0 mm (0.6 in)	77 years	47 of 100 (Notable)
21 November 1978	Pinnacles Np, US	daily rain	51.6 mm (2.0 in)	46.8 mm (1.8 in)	12 years	47 of 100 (Notable)
21 November 1978	Ft Washakie 1 SE, US	daily snow depth	86.4 cm (34.0 in)	55.9 cm (22.0 in)	7 years	47 of 100 (Notable)
21 November 1978	Gore Bay, CA	daily snowfall	21.0 cm (8.3 in)	10.8 cm (4.3 in)	43 years	46 of 100 (Notable)
21 November 1978	Union, US	daily snow depth	15.2 cm (6.0 in)	10.1 cm (4.0 in)	47 years	46 of 100 (Notable)
21 November 1978	Bushy Band, ZA	daily rain	55.5 mm (2.2 in)	34.0 mm (1.3 in)	21 years	45 of 100 (Notable)
21 November 1978	Storm Lake, US	daily snow depth	15.2 cm (6.0 in)	7.6 cm (3.0 in)	79 years	45 of 100 (Notable)
21 November 1978	Sogndal - Selseng, NO	daily rain	39.1 mm (1.5 in)	12.6 mm (0.5 in)	80 years	44 of 100 (Notable)
21 November 1978	Ft Benton, US	daily snow depth	33.0 cm (13.0 in)	15.2 cm (6.0 in)	37 years	44 of 100 (Notable)
21 November 1978	Willow City, US	monthly low min	-35.6 C (-32.1 F)	1.2 C (2.2 F)	81 years	43 of 100 (Notable)
21 November 1978	Kent, US	daily snow depth	20.3 cm (8.0 in)	15.2 cm (6.0 in)	32 years	43 of 100 (Notable)
21 November 1978	Hafslo, NO	daily rain	37.7 mm (1.5 in)	12.7 mm (0.5 in)	53 years	41 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 1978

Records set or tied on this calendar date in each year from 1803 to 1978. 1978 had 1,034 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 1978-11-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 100	792
100 to 200	19
200 to 300	3
300 to 400	0
400 to 500	0
500 to 600	1