Weather Records on 30 November 2020

323 weather records were set or tied worldwide on 30 November 2020. Highest significance: Idjevan, AM.

Key Facts for 30 November 2020

On 30 November 2020, 323 weather records were set or tied at long-record stations worldwide.
86 were record highs and 39 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 311 daily.
Idjevan set a daily record precipitation of 99.3 mm (3.9 in) on 30 November 2020.
Across 158 earlier years (1797 to 2025) the same calendar date averaged 490 records.

Record Map

323 stations

323 station records on 30 November 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 November 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Idjevan	Armenia	Record daily precipitation	99.3 mm (3.9 in)	65 of 100 (Major)
Fossil Downs	Australia	Record daily precipitation	50.2 mm (2.0 in)	64 of 100 (Major)
Koloa Mauka 994	United States	Record daily precipitation	190.5 mm (7.5 in)	61 of 100 (Major)
Wilmington Porter Rsch	United States	Record daily precipitation	60.7 mm (2.4 in)	56 of 100 (Notable)
Waynesboro 2 W	United States	Record daily precipitation	87.9 mm (3.5 in)	56 of 100 (Notable)
Lexington	United States	Record daily precipitation	52.1 mm (2.1 in)	56 of 100 (Notable)
Baltimore-Washington Intl AP	United States	Record daily precipitation	69.6 mm (2.7 in)	56 of 100 (Notable)
Washington Reagan Natl AP	United States	Record daily precipitation	60.7 mm (2.4 in)	52 of 100 (Notable)
Appomattox	United States	Record daily precipitation	74.4 mm (2.9 in)	48 of 100 (Notable)
Hagerstown 1E	United States	Record daily precipitation	27.7 mm (1.1 in)	47 of 100 (Notable)
Ocracoke	United States	Record daily precipitation	64.5 mm (2.5 in)	47 of 100 (Notable)
Martinsburg E W Virginia Rgnl	United States	Record daily precipitation	28.4 mm (1.1 in)	47 of 100 (Notable)
Findlay Wpcc	United States	Record daily snowfall	5.8 cm (2.3 in)	46 of 100 (Notable)
Wilmington New Castle Co AP	United States	Record daily precipitation	47.8 mm (1.9 in)	46 of 100 (Notable)
Sumrall	United States	Record daily precipitation	83.8 mm (3.3 in)	45 of 100 (Notable)
Lexington	United States	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Lynchburg Rgnl AP	United States	Record daily precipitation	64.8 mm (2.6 in)	45 of 100 (Notable)
Winston Salem Reynolds AP	United States	Record daily precipitation	31.8 mm (1.3 in)	45 of 100 (Notable)
Brookneal	United States	Record daily precipitation	68.1 mm (2.7 in)	44 of 100 (Notable)
Concord 4 SSW	United States	Record daily precipitation	55.9 mm (2.2 in)	44 of 100 (Notable)
Roxboro 7 ESE	United States	Record daily precipitation	35.3 mm (1.4 in)	43 of 100 (Notable)
Clemson UNIV	United States	Record daily precipitation	55.1 mm (2.2 in)	43 of 100 (Notable)
Buckingham	United States	Record daily precipitation	54.1 mm (2.1 in)	43 of 100 (Notable)
Reading Wb City	United States	Record daily precipitation	36.1 mm (1.4 in)	43 of 100 (Notable)
Chapel Hill 2 W	United States	Record daily precipitation	34.5 mm (1.4 in)	42 of 100 (Notable)
Graham 2 ENE	United States	Record daily precipitation	46.0 mm (1.8 in)	42 of 100 (Notable)
Allentown Lehigh Vly Intl AP	United States	Record daily precipitation	70.1 mm (2.8 in)	42 of 100 (Notable)
Hartford Brainard Fld	United States	Record daily precipitation	31.5 mm (1.2 in)	42 of 100 (Notable)
Lexington Bluegrass AP	United States	Record daily snowfall	5.8 cm (2.3 in)	42 of 100 (Notable)
Raleigh State UNIV	United States	Record daily precipitation	39.4 mm (1.6 in)	41 of 100 (Notable)
Rocky Mt	United States	Record daily precipitation	38.9 mm (1.5 in)	41 of 100 (Notable)
Siler City 2 N	United States	Record daily precipitation	46.0 mm (1.8 in)	40 of 100 (Notable)
Ashland	United States	Record daily precipitation	25.7 mm (1.0 in)	40 of 100 (Notable)
Worcester	United States	Record daily precipitation	60.5 mm (2.4 in)	40 of 100 (Notable)
Mt Vernon	United States	Record daily precipitation	94.0 mm (3.7 in)	39 of 100 (Notable)
Columbia	United States	Record daily precipitation	65.8 mm (2.6 in)	39 of 100 (Notable)
Clarksville	United States	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Mansfield Lahm Rgnl AP	United States	Record daily snowfall	10.4 cm (4.1 in)	39 of 100 (Notable)
Northam	Australia	Record low maximum temperature	19.7 C (67.5 F)	37 of 100 (Notable)
Saskylah	Russia	Record high minimum temperature	-7.1 C (19.2 F)	37 of 100 (Notable)
Gore	Ethiopia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Newark Ag Farm	United States	Record daily precipitation	48.0 mm (1.9 in)	36 of 100 (Notable)
New Park	United States	Record daily precipitation	36.3 mm (1.4 in)	36 of 100 (Notable)
Concord ASOS	United States	Record daily precipitation	36.6 mm (1.4 in)	36 of 100 (Notable)
Providence	United States	Record daily precipitation	69.6 mm (2.7 in)	36 of 100 (Notable)
Charlottesville Albemarle AP	United States	Record daily precipitation	57.7 mm (2.3 in)	36 of 100 (Notable)
Dale Enterprise	United States	Record daily precipitation	29.7 mm (1.2 in)	35 of 100 (Notable)
Glens Falls AP	United States	Record daily precipitation	40.9 mm (1.6 in)	35 of 100 (Notable)
Bollon Mary St	Australia	Record high maximum temperature	45.6 C (114.1 F)	34 of 100 (Routine)
Phoenixville 1 E	United States	Record daily precipitation	66.0 mm (2.6 in)	34 of 100 (Routine)
Alexander City	United States	Record daily precipitation	57.7 mm (2.3 in)	33 of 100 (Routine)
Danbury	United States	Record daily precipitation	61.5 mm (2.4 in)	33 of 100 (Routine)
Farmville	United States	Record daily precipitation	36.3 mm (1.4 in)	33 of 100 (Routine)
Niamey Aero	Niger	Record high minimum temperature	22.8 C (73.0 F)	32 of 100 (Routine)
Danbury	United States	Record daily precipitation	39.1 mm (1.5 in)	32 of 100 (Routine)
N Foster 1 E	United States	Record daily precipitation	58.7 mm (2.3 in)	32 of 100 (Routine)
Montpelier AP	United States	Record daily precipitation	34.0 mm (1.3 in)	32 of 100 (Routine)
Bely Island	Russia	Record high minimum temperature	-0.3 C (31.5 F)	31 of 100 (Routine)
Thorsby Exp STN	United States	Record daily precipitation	74.4 mm (2.9 in)	31 of 100 (Routine)
Neshaminy Falls	United States	Record daily precipitation	49.8 mm (2.0 in)	31 of 100 (Routine)

Counts by Type and Timescale

323 records

Records set or tied on 30 November 2020 by type: Highest daily maximum 46, Lowest daily maximum 18, Highest daily minimum 40, Lowest daily minimum 21, Heaviest daily rainfall 184, Heaviest daily snowfall 11, Deepest snow cover 3.

Records on 30 November 2020 by type
Record type	Records
Highest daily maximum	46
Lowest daily maximum	18
Highest daily minimum	40
Lowest daily minimum	21
Heaviest daily rainfall	184
Heaviest daily snowfall	11
Deepest snow cover	3

Records on 30 November 2020 by timescale: all-time 0, monthly 12, daily 311.

How Much Records Were Beaten By

296 broken records

Margins by which the 296 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.4. Ties are not counted.

Top 20 by Significance

30 November 2020

Top 20 records on 30 November 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 November 2020	Idjevan, AM	daily rain	99.3 mm (3.9 in)	88.4 mm (3.5 in)	51 years	65 of 100 (Major)
30 November 2020	Fossil Downs, AU	daily rain	50.2 mm (2.0 in)	25.8 mm (1.0 in)	110 years	64 of 100 (Major)
30 November 2020	Koloa Mauka 994, US	daily rain	190.5 mm (7.5 in)	88.1 mm (3.5 in)	78 years	61 of 100 (Major)
30 November 2020	Wilmington Porter Rsch, US	daily rain	60.7 mm (2.4 in)	28.2 mm (1.1 in)	86 years	56 of 100 (Notable)
30 November 2020	Waynesboro 2 W, US	daily rain	87.9 mm (3.5 in)	29.5 mm (1.2 in)	107 years	56 of 100 (Notable)
30 November 2020	Lexington, US	daily rain	52.1 mm (2.1 in)	21.1 mm (0.8 in)	118 years	56 of 100 (Notable)
30 November 2020	Baltimore-Washington Intl AP, US	daily rain	69.6 mm (2.7 in)	39.4 mm (1.6 in)	53 years	56 of 100 (Notable)
30 November 2020	Washington Reagan Natl AP, US	daily rain	60.7 mm (2.4 in)	34.3 mm (1.4 in)	53 years	52 of 100 (Notable)
30 November 2020	Appomattox, US	daily rain	74.4 mm (2.9 in)	54.1 mm (2.1 in)	9 years	48 of 100 (Notable)
30 November 2020	Hagerstown 1E, US	daily rain	27.7 mm (1.1 in)	7.9 mm (0.31 in)	118 years	47 of 100 (Notable)
30 November 2020	Ocracoke, US	daily rain	64.5 mm (2.5 in)	49.8 mm (2.0 in)	63 years	47 of 100 (Notable)
30 November 2020	Martinsburg E W Virginia Rgnl, US	daily rain	28.4 mm (1.1 in)	8.1 mm (0.32 in)	118 years	47 of 100 (Notable)
30 November 2020	Findlay Wpcc, US	daily snowfall	5.8 cm (2.3 in)	3.3 cm (1.3 in)	96 years	46 of 100 (Notable)
30 November 2020	Wilmington New Castle Co AP, US	daily rain	47.8 mm (1.9 in)	26.0 mm (1.0 in)	48 years	46 of 100 (Notable)
30 November 2020	Sumrall, US	daily rain	83.8 mm (3.3 in)	50.8 mm (2.0 in)	34 years	45 of 100 (Notable)
30 November 2020	Lexington, US	daily rain	35.6 mm (1.4 in)	5.9 mm (0.23 in)	100 years	45 of 100 (Notable)
30 November 2020	Lynchburg Rgnl AP, US	daily rain	64.8 mm (2.6 in)	36.6 mm (1.4 in)	24 years	45 of 100 (Notable)
30 November 2020	Winston Salem Reynolds AP, US	daily rain	31.8 mm (1.3 in)	6.9 mm (0.27 in)	100 years	45 of 100 (Notable)
30 November 2020	Brookneal, US	daily rain	68.1 mm (2.7 in)	41.4 mm (1.6 in)	15 years	44 of 100 (Notable)
30 November 2020	Concord 4 SSW, US	daily rain	55.9 mm (2.2 in)	39.6 mm (1.6 in)	35 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

1797 to 2020

Records set or tied on this calendar date in each year from 1797 to 2020. 2020 had 323 records.

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

Records on 11-30 in each year
Year	Records
1797	1
1799	2
1807	2
1815	2
1817	1
1821	1
1827	2
1836	1
1840	1
1846	1
1849	2
1866	1
1867	1
1871	2
1875	7
1876	2
1879	2
1881	1
1885	7
1886	1
1887	2
1888	1
1889	3
1890	2
1891	2
1892	2
1893	3
1894	1
1895	7
1896	5
1897	5
1898	1
1899	7
1900	4
1901	8
1902	7
1903	22
1904	6
1905	16
1906	21
1907	6
1908	51
1909	20
1910	22
1911	22
1912	19
1913	54
1914	68
1915	37
1916	64
1917	26
1918	32
1919	87
1920	138
1921	42
1922	46
1923	144
1924	95
1925	102
1926	84
1927	600
1928	187
1929	883
1930	185
1931	375
1932	372
1933	1,006
1934	1,282
1935	84
1936	186
1937	375
1938	165
1939	321
1940	330
1941	298
1942	218
1943	238
1944	422
1945	147
1946	343
1947	544
1948	332
1949	323
1950	382
1951	348
1952	829
1953	307
1954	470
1955	576
1956	304
1957	226
1958	676
1959	339
1960	219
1961	412
1962	802
1963	566
1964	1,042
1965	309
1966	730
1967	802
1968	516
1969	625
1970	995
1971	501
1972	414
1973	635
1974	912
1975	2,018
1976	1,789
1977	935
1978	761
1979	837
1980	697
1981	1,361
1982	1,142
1983	1,137
1984	571
1985	2,887
1986	798
1987	913
1988	686
1989	781
1990	483
1991	2,104
1992	676
1993	756
1994	762
1995	1,472
1996	1,054
1997	987
1998	2,289
1999	1,170
2000	962
2001	1,431
2002	862
2003	634
2004	1,344
2005	883
2006	2,656
2007	739
2008	855
2009	951
2010	1,915
2011	1,108
2012	1,059
2013	505
2014	822
2015	880
2016	634
2017	307
2018	493
2019	1,060
2020	323
2021	1,049
2022	559
2023	583
2024	672
2025	858

Download the Data

Data for records on 2020-11-30: 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 20	256
20 to 40	31
40 to 60	6
60 to 80	1
80 to 100	2