Weather Records on 30 November 1927

600 weather records were set or tied worldwide on 30 November 1927. Highest significance: Sidney 2 N, US.

Key Facts for 30 November 1927

On 30 November 1927, 600 weather records were set or tied at long-record stations worldwide.
441 were record highs and 8 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 26 monthly and 574 daily.
Sidney 2 N set a daily record precipitation of 58.9 mm (2.3 in) on 30 November 1927.
Across 158 earlier years (1797 to 2025) the same calendar date averaged 488 records.

Record Map

600 stations

600 station records on 30 November 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 November 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sidney 2 N	United States	Record daily precipitation	58.9 mm (2.3 in)	52 of 100 (Notable)
Greenville	United States	Record daily precipitation	82.0 mm (3.2 in)	51 of 100 (Notable)
Toledo Blade	United States	Record daily precipitation	56.1 mm (2.2 in)	49 of 100 (Notable)
Windsor Riverside	Canada	Record daily precipitation	29.2 mm (1.1 in)	48 of 100 (Notable)
Delphi 2 N	United States	Record daily precipitation	56.9 mm (2.2 in)	47 of 100 (Notable)
St Louis Eads Brg	United States	Record daily precipitation	48.5 mm (1.9 in)	47 of 100 (Notable)
Welland	Canada	Record daily precipitation	49.3 mm (1.9 in)	46 of 100 (Notable)
Cleveland 2717 Euclid	United States	Record daily precipitation	44.5 mm (1.8 in)	46 of 100 (Notable)
Columbus	United States	Record daily precipitation	50.8 mm (2.0 in)	45 of 100 (Notable)
Farmland 5 NNW	United States	Record daily precipitation	41.9 mm (1.6 in)	45 of 100 (Notable)
Anderson 1 N	United States	Record daily precipitation	61.0 mm (2.4 in)	44 of 100 (Notable)
Angelica	United States	Record daily precipitation	44.5 mm (1.8 in)	44 of 100 (Notable)
Kenton	United States	Record daily precipitation	45.7 mm (1.8 in)	44 of 100 (Notable)
Seymour 1 WSW	United States	Record daily precipitation	49.5 mm (1.9 in)	42 of 100 (Notable)
Bowling Green Wwtp	United States	Record daily precipitation	38.1 mm (1.5 in)	42 of 100 (Notable)
Lady Grey (Pol)	South Africa	Record daily precipitation	48.8 mm (1.9 in)	40 of 100 (Notable)
Vickery 2 NW	United States	Record daily precipitation	53.3 mm (2.1 in)	40 of 100 (Notable)
Marion 2 N	United States	Record daily precipitation	63.5 mm (2.5 in)	39 of 100 (Notable)
Rockville	United States	Record daily precipitation	58.4 mm (2.3 in)	39 of 100 (Notable)
Hillsdale	United States	Record daily precipitation	46.7 mm (1.8 in)	39 of 100 (Notable)
Waynesville	United States	Record daily precipitation	38.6 mm (1.5 in)	39 of 100 (Notable)
Pana	United States	Record daily precipitation	83.1 mm (3.3 in)	37 of 100 (Notable)
Mauzy	United States	Record daily precipitation	62.7 mm (2.5 in)	37 of 100 (Notable)
Huntington	United States	Record daily precipitation	69.1 mm (2.7 in)	36 of 100 (Notable)
Hiram	United States	Record daily precipitation	46.2 mm (1.8 in)	35 of 100 (Notable)
Charleston	United States	Record daily precipitation	63.5 mm (2.5 in)	34 of 100 (Routine)
Buffalo	United States	Record daily precipitation	38.9 mm (1.5 in)	34 of 100 (Routine)
Quesnel	Canada	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Quesnel	Canada	Record daily snowfall	25.4 cm (10.0 in)	33 of 100 (Routine)
Grafton	United States	Record daily precipitation	45.7 mm (1.8 in)	33 of 100 (Routine)
Mascoutah	United States	Record daily precipitation	56.4 mm (2.2 in)	33 of 100 (Routine)
Olney 2S	United States	Record daily precipitation	43.4 mm (1.7 in)	33 of 100 (Routine)
Butlerville 2 WNW	United States	Record daily precipitation	37.3 mm (1.5 in)	33 of 100 (Routine)
Seven Oaks (Bellimbopinni)	Australia	Record daily precipitation	62.5 mm (2.5 in)	32 of 100 (Routine)
Cambridge City 3 N	United States	Record daily precipitation	64.3 mm (2.5 in)	32 of 100 (Routine)
Alexandria 4 WSW	United States	Record daily precipitation	34.8 mm (1.4 in)	32 of 100 (Routine)
Warren	United States	Record daily precipitation	45.7 mm (1.8 in)	32 of 100 (Routine)
Hamilton	Canada	Record daily precipitation	25.9 mm (1.0 in)	31 of 100 (Routine)
Adrian 2 NNE	United States	Record daily precipitation	66.0 mm (2.6 in)	31 of 100 (Routine)
Hermann	United States	Record daily precipitation	50.8 mm (2.0 in)	31 of 100 (Routine)
Watford	Canada	Record daily snowfall	7.6 cm (3.0 in)	30 of 100 (Routine)
Colby	United States	Record daily snowfall	5.1 cm (2.0 in)	30 of 100 (Routine)
Jacksonville 2E	United States	Record daily precipitation	33.0 mm (1.3 in)	28 of 100 (Routine)
Mt Vernon 3 NE	United States	Record daily precipitation	36.8 mm (1.4 in)	28 of 100 (Routine)
Palestine	United States	Record daily precipitation	39.4 mm (1.6 in)	28 of 100 (Routine)
Logansport Cicott St	United States	Record daily precipitation	36.6 mm (1.4 in)	28 of 100 (Routine)
Warrenton 1 N	United States	Record daily precipitation	45.7 mm (1.8 in)	28 of 100 (Routine)
Tiffin	United States	Record daily precipitation	35.1 mm (1.4 in)	28 of 100 (Routine)
Fort Chipewyan	Canada	Record low maximum temperature	-30.6 C (-23.1 F)	27 of 100 (Routine)
Welland	Canada	Record daily snowfall	9.9 cm (3.9 in)	27 of 100 (Routine)
Casey	United States	Record daily precipitation	45.7 mm (1.8 in)	27 of 100 (Routine)
White Hall 1 E	United States	Record daily precipitation	34.3 mm (1.4 in)	27 of 100 (Routine)
Vincennes 4 E	United States	Record daily precipitation	36.8 mm (1.4 in)	27 of 100 (Routine)
Avon	United States	Record daily precipitation	34.0 mm (1.3 in)	27 of 100 (Routine)
Columbus Ohio St UNIV	United States	Record daily precipitation	35.1 mm (1.4 in)	27 of 100 (Routine)
Williamsport	United States	Record high maximum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
London South	Canada	Record daily precipitation	27.9 mm (1.1 in)	26 of 100 (Routine)
Decatur Wtp	United States	Record daily precipitation	41.1 mm (1.6 in)	26 of 100 (Routine)
Norwalk Wwtp	United States	Record daily precipitation	26.2 mm (1.0 in)	26 of 100 (Routine)
Burlington	United States	Record daily precipitation	30.2 mm (1.2 in)	26 of 100 (Routine)

Counts by Type and Timescale

600 records

Records set or tied on 30 November 1927 by type: Highest daily maximum 291, Lowest daily maximum 1, Highest daily minimum 150, Lowest daily minimum 7, Heaviest daily rainfall 129, Heaviest daily snowfall 19, Deepest snow cover 3.

Records on 30 November 1927 by type
Record type	Records
Highest daily maximum	291
Lowest daily maximum	1
Highest daily minimum	150
Lowest daily minimum	7
Heaviest daily rainfall	129
Heaviest daily snowfall	19
Deepest snow cover	3

Records on 30 November 1927 by timescale: all-time 0, monthly 26, daily 574.

How Much Records Were Beaten By

517 broken records

Margins by which the 517 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

30 November 1927

Top 20 records on 30 November 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 November 1927	Sidney 2 N, US	daily rain	58.9 mm (2.3 in)	41.1 mm (1.6 in)	32 years	52 of 100 (Notable)
30 November 1927	Greenville, US	monthly rain	82.0 mm (3.2 in)	36.8 mm (1.4 in)	6 years	51 of 100 (Notable)
30 November 1927	Toledo Blade, US	daily rain	56.1 mm (2.2 in)	44.4 mm (1.7 in)	13 years	49 of 100 (Notable)
30 November 1927	Windsor Riverside, CA	daily rain	29.2 mm (1.1 in)	20.1 mm (0.8 in)	57 years	48 of 100 (Notable)
30 November 1927	Delphi 2 N, US	daily rain	56.9 mm (2.2 in)	32.8 mm (1.3 in)	32 years	47 of 100 (Notable)
30 November 1927	St Louis Eads Brg, US	daily rain	48.5 mm (1.9 in)	36.1 mm (1.4 in)	32 years	47 of 100 (Notable)
30 November 1927	Welland, CA	monthly rain	49.3 mm (1.9 in)	10.7 mm (0.4 in)	50 years	46 of 100 (Notable)
30 November 1927	Cleveland 2717 Euclid, US	daily rain	44.5 mm (1.8 in)	37.1 mm (1.5 in)	4 years	46 of 100 (Notable)
30 November 1927	Columbus, US	daily rain	50.8 mm (2.0 in)	43.2 mm (1.7 in)	6 years	45 of 100 (Notable)
30 November 1927	Farmland 5 NNW, US	daily rain	41.9 mm (1.6 in)	38.3 mm (1.5 in)	18 years	45 of 100 (Notable)
30 November 1927	Anderson 1 N, US	daily rain	61.0 mm (2.4 in)	48.3 mm (1.9 in)	4 years	44 of 100 (Notable)
30 November 1927	Angelica, US	daily rain	44.5 mm (1.8 in)	26.7 mm (1.1 in)	4 years	44 of 100 (Notable)
30 November 1927	Kenton, US	daily rain	45.7 mm (1.8 in)	29.4 mm (1.2 in)	32 years	44 of 100 (Notable)
30 November 1927	Seymour 1 WSW, US	daily rain	49.5 mm (1.9 in)	38.6 mm (1.5 in)	13 years	42 of 100 (Notable)
30 November 1927	Bowling Green Wwtp, US	daily rain	38.1 mm (1.5 in)	25.4 mm (1.0 in)	32 years	42 of 100 (Notable)
30 November 1927	Lady Grey (Pol), ZA	daily rain	48.8 mm (1.9 in)	25.7 mm (1.0 in)	35 years	40 of 100 (Notable)
30 November 1927	Vickery 2 NW, US	monthly rain	53.3 mm (2.1 in)	13.9 mm (0.5 in)	32 years	40 of 100 (Notable)
30 November 1927	Marion 2 N, US	monthly rain	63.5 mm (2.5 in)	18.3 mm (0.7 in)	21 years	39 of 100 (Notable)
30 November 1927	Rockville, US	daily rain	58.4 mm (2.3 in)	31.5 mm (1.2 in)	32 years	39 of 100 (Notable)
30 November 1927	Hillsdale, US	daily rain	46.7 mm (1.8 in)	29.9 mm (1.2 in)	18 years	39 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 1927

Records set or tied on this calendar date in each year from 1797 to 1927. 1927 had 600 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 1927-11-30: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	474
20 to 40	35
40 to 60	6
60 to 80	1
80 to 100	0
100 to 120	1