Weather Records on 27 November 1978

1,031 weather records were set or tied worldwide on 27 November 1978. Highest significance: Deseret, US.

Key Facts for 27 November 1978

On 27 November 1978, 1,031 weather records were set or tied at long-record stations worldwide.
94 were record highs and 280 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 70 monthly and 960 daily.
Deseret set a daily record snow depth of 15.2 cm (6.0 in) on 27 November 1978.
Across 167 earlier years (1793 to 2025) the same calendar date averaged 441 records.

Record Map

1,031 stations

1,031 station records on 27 November 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 November 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Deseret	United States	Record snow depth	15.2 cm (6.0 in)	62 of 100 (Major)
Sao Jose de Mipibu	Brazil	Record daily precipitation	35.8 mm (1.4 in)	61 of 100 (Major)
Pedro Velho (Dnocs)	Brazil	Record daily precipitation	38.4 mm (1.5 in)	59 of 100 (Notable)
York	United States	Record daily snowfall	30.5 cm (12.0 in)	58 of 100 (Notable)
Oak City	United States	Record snow depth	22.9 cm (9.0 in)	55 of 100 (Notable)
College Park	United States	Record daily snowfall	10.2 cm (4.0 in)	52 of 100 (Notable)
Houma	United States	Record daily precipitation	114.0 mm (4.5 in)	51 of 100 (Notable)
Delta	United States	Record snow depth	17.8 cm (7.0 in)	51 of 100 (Notable)
Russell	Canada	Record daily snowfall	8.4 cm (3.3 in)	50 of 100 (Notable)
Morgan City	United States	Record daily precipitation	106.7 mm (4.2 in)	50 of 100 (Notable)
Kahlotus 5 SSW	United States	Record snow depth	22.9 cm (9.0 in)	48 of 100 (Notable)
Romney 1 SW	United States	Record daily snowfall	7.6 cm (3.0 in)	48 of 100 (Notable)
Purcellville	United States	Record daily snowfall	8.9 cm (3.5 in)	47 of 100 (Notable)
Richmond	Canada	Record low minimum temperature	-22.8 C (-9.0 F)	45 of 100 (Notable)
Eastport	United States	Record low maximum temperature	-8.3 C (17.1 F)	45 of 100 (Notable)
Gulfport Naval Ctr	United States	Record daily precipitation	64.8 mm (2.6 in)	45 of 100 (Notable)
Buckhannon	United States	Record daily precipitation	38.1 mm (1.5 in)	45 of 100 (Notable)
Grindstone Island	Canada	Record low maximum temperature	-6.2 C (20.8 F)	44 of 100 (Notable)
Abbeville	United States	Record daily precipitation	81.3 mm (3.2 in)	44 of 100 (Notable)
Flatonia 4SE	United States	Record daily precipitation	58.4 mm (2.3 in)	44 of 100 (Notable)
Krakmo	Norway	Record snow depth	63.0 cm (24.8 in)	43 of 100 (Notable)
Ockelbo	Sweden	Record daily precipitation	30.1 mm (1.2 in)	43 of 100 (Notable)
New Orleans Wtp	United States	Record daily precipitation	95.0 mm (3.7 in)	43 of 100 (Notable)
Ft Washakie 1 SE	United States	Record snow depth	55.9 cm (22.0 in)	43 of 100 (Notable)
Port Hastings	Canada	Record low maximum temperature	-5.0 C (23.0 F)	42 of 100 (Notable)
New Orleans D P S 5	United States	Record daily precipitation	104.9 mm (4.1 in)	42 of 100 (Notable)
Denton 2 E	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Waynesboro 2 W	United States	Record daily precipitation	37.8 mm (1.5 in)	42 of 100 (Notable)
Brandonville	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Hagerstown	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Aurora	United States	Record snow depth	15.2 cm (6.0 in)	41 of 100 (Notable)
Santa Helena (Mariquita)	Brazil	Record daily precipitation	70.6 mm (2.8 in)	40 of 100 (Notable)
St Andrews	Canada	Record low minimum temperature	-14.5 C (5.9 F)	40 of 100 (Notable)
Amite	United States	Record daily precipitation	90.2 mm (3.6 in)	40 of 100 (Notable)
Clinton Forestry HQ	United States	Record daily precipitation	78.0 mm (3.1 in)	40 of 100 (Notable)
New Orleans Algiers	United States	Record daily precipitation	100.6 mm (4.0 in)	40 of 100 (Notable)
Highland Home	United States	Record daily precipitation	42.2 mm (1.7 in)	39 of 100 (Notable)
Golconda River	United States	Record daily precipitation	41.9 mm (1.6 in)	39 of 100 (Notable)
New Iberia AP - Acadiana Rgnl	United States	Record daily precipitation	65.0 mm (2.6 in)	39 of 100 (Notable)
Glenn Dale Bell STN	United States	Record daily snowfall	8.9 cm (3.5 in)	39 of 100 (Notable)
Lyons	United States	Record daily snowfall	5.1 cm (2.0 in)	39 of 100 (Notable)
Johnstown	United States	Record daily precipitation	36.3 mm (1.4 in)	39 of 100 (Notable)
Rock Springs AP	United States	Record snow depth	22.9 cm (9.0 in)	39 of 100 (Notable)
Nova Cruz	Brazil	Record daily precipitation	34.0 mm (1.3 in)	38 of 100 (Notable)
Santa Cruz	Brazil	Record daily precipitation	32.5 mm (1.3 in)	37 of 100 (Notable)
Gardiner	United States	Record low maximum temperature	-7.8 C (18.0 F)	37 of 100 (Notable)
Rockville 1 NE	United States	Record daily snowfall	5.1 cm (2.0 in)	37 of 100 (Notable)
Allegan 5NE	United States	Record daily snowfall	15.2 cm (6.0 in)	37 of 100 (Notable)
Coldwater St School	United States	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Seward	United States	Record daily snowfall	5.1 cm (2.0 in)	37 of 100 (Notable)
Bear Gap	United States	Record daily snowfall	12.7 cm (5.0 in)	37 of 100 (Notable)
Nephi	United States	Record snow depth	10.2 cm (4.0 in)	37 of 100 (Notable)
Port Hastings	Canada	Record low minimum temperature	-7.8 C (18.0 F)	36 of 100 (Notable)
Port Hastings	Canada	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Charlottetown Cda	Canada	Record low maximum temperature	-8.0 C (17.6 F)	36 of 100 (Notable)
Brookport Dam 52	United States	Record daily precipitation	60.7 mm (2.4 in)	36 of 100 (Notable)
Jennings	United States	Record daily precipitation	78.7 mm (3.1 in)	36 of 100 (Notable)
Mermentau	United States	Record daily precipitation	101.6 mm (4.0 in)	36 of 100 (Notable)
Paradis 7 S	United States	Record daily precipitation	129.5 mm (5.1 in)	36 of 100 (Notable)
Pine Grove Fire Twr	United States	Record daily precipitation	91.4 mm (3.6 in)	36 of 100 (Notable)

Counts by Type and Timescale

1,031 records

Records set or tied on 27 November 1978 by type: Highest daily maximum 39, Lowest daily maximum 172, Highest daily minimum 55, Lowest daily minimum 108, Heaviest daily rainfall 332, Heaviest daily snowfall 204, Deepest snow cover 121.

Records on 27 November 1978 by type
Record type	Records
Highest daily maximum	39
Lowest daily maximum	172
Highest daily minimum	55
Lowest daily minimum	108
Heaviest daily rainfall	332
Heaviest daily snowfall	204
Deepest snow cover	121

Records on 27 November 1978 by timescale: all-time 1, monthly 70, daily 960.

How Much Records Were Beaten By

841 broken records

Margins by which the 841 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 280.0. Ties are not counted.

Top 20 by Significance

27 November 1978

Top 20 records on 27 November 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 November 1978	Deseret, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	49 years	62 of 100 (Major)
27 November 1978	Sao Jose de Mipibu, BR	daily rain	35.8 mm (1.4 in)	26.4 mm (1.0 in)	60 years	61 of 100 (Major)
27 November 1978	Pedro Velho (Dnocs), BR	daily rain	38.4 mm (1.5 in)	26.4 mm (1.0 in)	63 years	59 of 100 (Notable)
27 November 1978	York, US	monthly snowfall	30.5 cm (12.0 in)	10.2 cm (4.0 in)	70 years	58 of 100 (Notable)
27 November 1978	Oak City, US	daily snow depth	22.9 cm (9.0 in)	22.9 cm (9.0 in)	52 years	55 of 100 (Notable)
27 November 1978	College Park, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	81 years	52 of 100 (Notable)
27 November 1978	Houma, US	daily rain	114.0 mm (4.5 in)	58.1 mm (2.3 in)	67 years	51 of 100 (Notable)
27 November 1978	Delta, US	daily snow depth	17.8 cm (7.0 in)	15.3 cm (6.0 in)	25 years	51 of 100 (Notable)
27 November 1978	Russell, CA	daily snowfall	8.4 cm (3.3 in)	4.6 cm (1.8 in)	91 years	50 of 100 (Notable)
27 November 1978	Morgan City, US	daily rain	106.7 mm (4.2 in)	69.4 mm (2.7 in)	29 years	50 of 100 (Notable)
27 November 1978	Kahlotus 5 SSW, US	daily snow depth	22.9 cm (9.0 in)	15.3 cm (6.0 in)	37 years	48 of 100 (Notable)
27 November 1978	Romney 1 SW, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	85 years	48 of 100 (Notable)
27 November 1978	Purcellville, US	daily snowfall	8.9 cm (3.5 in)	8.9 cm (3.5 in)	77 years	47 of 100 (Notable)
27 November 1978	Richmond, CA	daily low min	-22.8 C (-9.0 F)	5.0 C (9.0 F)	91 years	45 of 100 (Notable)
27 November 1978	Eastport, US	monthly low max	-8.3 C (17.1 F)	0.5 C (0.9 F)	83 years	45 of 100 (Notable)
27 November 1978	Gulfport Naval Ctr, US	daily rain	64.8 mm (2.6 in)	57.9 mm (2.3 in)	24 years	45 of 100 (Notable)
27 November 1978	Buckhannon, US	daily rain	38.1 mm (1.5 in)	21.6 mm (0.9 in)	37 years	45 of 100 (Notable)
27 November 1978	Grindstone Island, CA	daily low max	-6.2 C (20.8 F)	4.5 C (8.1 F)	84 years	44 of 100 (Notable)
27 November 1978	Abbeville, US	daily rain	81.3 mm (3.2 in)	38.1 mm (1.5 in)	64 years	44 of 100 (Notable)
27 November 1978	Flatonia 4SE, US	daily rain	58.4 mm (2.3 in)	30.5 mm (1.2 in)	57 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 1978

Records set or tied on this calendar date in each year from 1793 to 1978. 1978 had 1,031 records.

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

Records on 11-27 in each year
Year	Records
1793	1
1794	1
1796	1
1815	1
1829	2
1838	2
1846	1
1849	3
1850	1
1851	1
1853	1
1856	4
1857	1
1859	1
1861	1
1862	1
1864	1
1869	1
1870	1
1871	1
1872	4
1873	1
1874	2
1875	1
1876	1
1877	2
1878	7
1879	2
1881	1
1883	1
1884	2
1885	3
1887	2
1890	10
1891	2
1892	1
1894	5
1895	3
1896	5
1897	3
1898	10
1899	3
1900	2
1901	3
1902	1
1903	28
1904	5
1905	5
1906	13
1907	14
1908	32
1909	36
1910	12
1911	22
1912	9
1913	18
1914	13
1915	34
1916	78
1917	94
1918	32
1919	55
1920	98
1921	108
1922	31
1923	48
1924	30
1925	93
1926	152
1927	375
1928	71
1929	118
1930	596
1931	181
1932	361
1933	331
1934	259
1935	272
1936	300
1937	258
1938	773
1939	310
1940	560
1941	173
1942	334
1943	127
1944	268
1945	265
1946	489
1947	255
1948	696
1949	1,141
1950	534
1951	685
1952	1,351
1953	521
1954	220
1955	690
1956	335
1957	159
1958	585
1959	476
1960	896
1961	348
1962	692
1963	388
1964	527
1965	864
1966	639
1967	360
1968	458
1969	450
1970	670
1971	450
1972	499
1973	1,453
1974	556
1975	1,222
1976	1,389
1977	1,190
1978	1,031
1979	851
1980	941
1981	769
1982	952
1983	2,097
1984	1,264
1985	2,808
1986	687
1987	786
1988	821
1989	927
1990	1,626
1991	742
1992	951
1993	1,674
1994	1,355
1995	832
1996	1,155
1997	980
1998	1,433
1999	954
2000	642
2001	1,247
2002	1,029
2003	641
2004	556
2005	853
2006	1,304
2007	472
2008	884
2009	726
2010	1,199
2011	1,213
2012	392
2013	1,165
2014	1,136
2015	1,183
2016	388
2017	1,136
2018	628
2019	997
2020	287
2021	565
2022	420
2023	623
2024	736
2025	296

Download the Data

Data for records on 1978-11-27: 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	738
50 to 100	84
100 to 150	12
150 to 200	5
200 to 250	1
250 to 300	1