Weather Records on 27 November 1954

220 weather records were set or tied worldwide on 27 November 1954. Highest significance: Helena Wb City, US.

Key Facts for 27 November 1954

On 27 November 1954, 220 weather records were set or tied at long-record stations worldwide.
75 were record highs and 23 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 9 monthly and 210 daily.
Helena Wb City set a daily record snowfall of 26.7 cm (10.5 in) on 27 November 1954.
Across 167 earlier years (1793 to 2025) the same calendar date averaged 446 records.

Record Map

220 stations

220 station records on 27 November 1954 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 November 1954: highest significance records shown on the map
Station	Country	Type	Value	Significance
Helena Wb City	United States	Record daily snowfall	26.7 cm (10.5 in)	59 of 100 (Notable)
Newton Rigg	United Kingdom	Record daily precipitation	34.5 mm (1.4 in)	54 of 100 (Notable)
Antenor Navarro	Brazil	Record daily precipitation	176.0 mm (6.9 in)	42 of 100 (Notable)
Reriutaba	Brazil	Record daily precipitation	42.0 mm (1.7 in)	38 of 100 (Notable)
Cicero Dantas	Brazil	Record daily precipitation	122.4 mm (4.8 in)	36 of 100 (Notable)
Oorschot	South Africa	Record daily precipitation	66.0 mm (2.6 in)	34 of 100 (Routine)
Pahoa 65	United States	Record daily precipitation	96.5 mm (3.8 in)	34 of 100 (Routine)
Paw Paw 2S	United States	Record daily snowfall	7.6 cm (3.0 in)	33 of 100 (Routine)
Gjerstad I Aust-Agder	Norway	Record daily precipitation	29.3 mm (1.2 in)	31 of 100 (Routine)
Cococi	Brazil	Record daily precipitation	50.0 mm (2.0 in)	30 of 100 (Routine)
Holter Dam	United States	Record daily snowfall	12.7 cm (5.0 in)	30 of 100 (Routine)
Tashkent	Uzbekistan	Record low minimum temperature	-22.1 C (-7.8 F)	30 of 100 (Routine)
Dillon 1 E	United States	Record daily snowfall	20.3 cm (8.0 in)	29 of 100 (Routine)
Propria	Brazil	Record daily precipitation	46.0 mm (1.8 in)	28 of 100 (Routine)
Canudos	Brazil	Record daily precipitation	90.4 mm (3.6 in)	28 of 100 (Routine)
Ubaira (Areia)	Brazil	Record daily precipitation	51.4 mm (2.0 in)	27 of 100 (Routine)
Bosque del Apache	United States	Record high maximum temperature	25.6 C (78.1 F)	27 of 100 (Routine)
Kendall	United States	Record daily snowfall	20.3 cm (8.0 in)	26 of 100 (Routine)
Pianco	Brazil	Record daily precipitation	82.0 mm (3.2 in)	25 of 100 (Routine)
Pennant	Canada	Record daily snowfall	7.6 cm (3.0 in)	25 of 100 (Routine)
Greeley	United States	Record high minimum temperature	1.7 C (35.1 F)	25 of 100 (Routine)
Afogados da Ingazeira (Dnocs)	Brazil	Record daily precipitation	36.5 mm (1.4 in)	24 of 100 (Routine)
Ndumu	South Africa	Record daily precipitation	49.0 mm (1.9 in)	24 of 100 (Routine)
Bainbridge	United States	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Lake Providence	United States	Record high minimum temperature	10.6 C (51.1 F)	24 of 100 (Routine)
Fortine 1 N	United States	Record daily snowfall	12.7 cm (5.0 in)	24 of 100 (Routine)
Socorro	United States	Record high maximum temperature	25.0 C (77.0 F)	24 of 100 (Routine)
Major Isidoro (Sertaozinho)	Brazil	Record daily precipitation	59.5 mm (2.3 in)	23 of 100 (Routine)
Oakland	United States	Record high maximum temperature	23.9 C (75.0 F)	23 of 100 (Routine)
Kapoho 93	United States	Record daily precipitation	75.4 mm (3.0 in)	23 of 100 (Routine)
Gibson Dam	United States	Record daily snowfall	15.2 cm (6.0 in)	22 of 100 (Routine)
Sloan 3 S	United States	Record low minimum temperature	-7.2 C (19.0 F)	22 of 100 (Routine)
Itaberaba	Brazil	Record daily precipitation	51.0 mm (2.0 in)	21 of 100 (Routine)
Livingston	United States	Record daily precipitation	34.3 mm (1.4 in)	21 of 100 (Routine)
Silverton	United States	Record high minimum temperature	-3.9 C (25.0 F)	21 of 100 (Routine)
Helena Wb City	United States	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Wandagee	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Saaifontein	South Africa	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Glenlyon Station	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Tuddal	Norway	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Kamilaroi Station	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Dillon 1 E	United States	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Harnosand	Sweden	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Lyons River	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Moogooree	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Lifjell	Norway	Record daily precipitation	16.9 mm (0.7 in)	20 of 100 (Routine)
Postmyr I Drangedal	Norway	Record daily precipitation	23.0 mm (0.9 in)	20 of 100 (Routine)
Cape Barren Island (Cape Barre	Australia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Hart 3 WSW	United States	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Holter Dam	United States	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Billabalong	Australia	Record daily precipitation	3.0 mm (0.12 in)	20 of 100 (Routine)
Viljujsk	Russia	Record daily precipitation	3.6 mm (0.14 in)	20 of 100 (Routine)
Camperdown	South Africa	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Kooline	Australia	Record daily precipitation	0.5 mm (0.02 in)	20 of 100 (Routine)
Dairy Creek	Australia	Record daily precipitation	1.3 mm (0.05 in)	20 of 100 (Routine)
Twin Peaks	Australia	Record daily precipitation	1.3 mm (0.05 in)	20 of 100 (Routine)
Jimba Jimba	Australia	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Sobral	Brazil	Record daily precipitation	29.0 mm (1.1 in)	20 of 100 (Routine)
Traipu	Brazil	Record daily precipitation	84.9 mm (3.3 in)	20 of 100 (Routine)
Tbilisi	Georgia	Record low maximum temperature	1.6 C (34.9 F)	20 of 100 (Routine)

Counts by Type and Timescale

220 records

Records set or tied on 27 November 1954 by type: Highest daily maximum 44, Lowest daily maximum 13, Highest daily minimum 31, Lowest daily minimum 10, Heaviest daily rainfall 91, Heaviest daily snowfall 29, Deepest snow cover 2.

Records on 27 November 1954 by type
Record type	Records
Highest daily maximum	44
Lowest daily maximum	13
Highest daily minimum	31
Lowest daily minimum	10
Heaviest daily rainfall	91
Heaviest daily snowfall	29
Deepest snow cover	2

Records on 27 November 1954 by timescale: all-time 1, monthly 9, daily 210.

How Much Records Were Beaten By

179 broken records

Margins by which the 179 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 198.0. Ties are not counted.

Top 20 by Significance

27 November 1954

Top 20 records on 27 November 1954 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 November 1954	Helena Wb City, US	daily snowfall	26.7 cm (10.5 in)	19.8 cm (7.8 in)	48 years	59 of 100 (Notable)
27 November 1954	Newton Rigg, GB	daily rain	34.5 mm (1.4 in)	21.4 mm (0.8 in)	40 years	54 of 100 (Notable)
27 November 1954	Antenor Navarro, BR	monthly rain	176.0 mm (6.9 in)	64.0 mm (2.5 in)	7 years	42 of 100 (Notable)
27 November 1954	Reriutaba, BR	daily rain	42.0 mm (1.7 in)	32.0 mm (1.3 in)	7 years	38 of 100 (Notable)
27 November 1954	Cicero Dantas, BR	all-time rain	122.4 mm (4.8 in)	1.3 mm (0.05 in)	40 years	36 of 100 (Notable)
27 November 1954	Oorschot, ZA	daily rain	66.0 mm (2.6 in)	28.7 mm (1.1 in)	25 years	34 of 100 (Routine)
27 November 1954	Pahoa 65, US	daily rain	96.5 mm (3.8 in)	72.1 mm (2.8 in)	5 years	34 of 100 (Routine)
27 November 1954	Paw Paw 2S, US	daily snowfall	7.6 cm (3.0 in)	5.1 cm (2.0 in)	29 years	33 of 100 (Routine)
27 November 1954	Gjerstad I Aust-Agder, NO	daily rain	29.3 mm (1.2 in)	13.8 mm (0.5 in)	44 years	31 of 100 (Routine)
27 November 1954	Cococi, BR	daily rain	50.0 mm (2.0 in)	24.0 mm (0.9 in)	0 years	30 of 100 (Routine)
27 November 1954	Holter Dam, US	daily snowfall	12.7 cm (5.0 in)	5.1 cm (2.0 in)	48 years	30 of 100 (Routine)
27 November 1954	Tashkent, UZ	monthly low min	-22.1 C (-7.8 F)	0.2 C (0.4 F)	43 years	30 of 100 (Routine)
27 November 1954	Dillon 1 E, US	daily snowfall	20.3 cm (8.0 in)	6.3 cm (2.5 in)	35 years	29 of 100 (Routine)
27 November 1954	Propria, BR	daily rain	46.0 mm (1.8 in)	31.4 mm (1.2 in)	24 years	28 of 100 (Routine)
27 November 1954	Canudos, BR	daily rain	90.4 mm (3.6 in)	42.5 mm (1.7 in)	0 years	28 of 100 (Routine)
27 November 1954	Ubaira (Areia), BR	daily rain	51.4 mm (2.0 in)	44.2 mm (1.7 in)	9 years	27 of 100 (Routine)
27 November 1954	Bosque del Apache, US	daily high max	25.6 C (78.1 F)	2.8 C (5.0 F)	53 years	27 of 100 (Routine)
27 November 1954	Kendall, US	daily snowfall	20.3 cm (8.0 in)	9.4 cm (3.7 in)	12 years	26 of 100 (Routine)
27 November 1954	Pianco, BR	daily rain	82.0 mm (3.2 in)	44.0 mm (1.7 in)	0 years	25 of 100 (Routine)
27 November 1954	Pennant, CA	daily snowfall	7.6 cm (3.0 in)	6.3 cm (2.5 in)	9 years	25 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 1954

Records set or tied on this calendar date in each year from 1793 to 1954. 1954 had 220 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 1954-11-27: 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 25	154
25 to 50	14
50 to 75	9
75 to 100	1
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1