Weather Records on 20 November 1930

600 weather records were set or tied worldwide on 20 November 1930. Highest significance: Imperial, US.

Key Facts for 20 November 1930

On 20 November 1930, 600 weather records were set or tied at long-record stations worldwide.
277 were record highs and 57 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 57 monthly and 543 daily.
Imperial set a monthly record daily precipitation of 69.1 mm (2.7 in) on 20 November 1930.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 453 records.

Record Map

600 stations

600 station records on 20 November 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 November 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Imperial	United States	Record daily precipitation	69.1 mm (2.7 in)	59 of 100 (Notable)
Ohringen	Germany	Record daily precipitation	35.0 mm (1.4 in)	55 of 100 (Notable)
Milan 1NW	United States	Record daily precipitation	65.0 mm (2.6 in)	53 of 100 (Notable)
Forestburg 4 NNE	United States	Record daily precipitation	29.2 mm (1.1 in)	53 of 100 (Notable)
Bird Island	United States	Record daily precipitation	34.8 mm (1.4 in)	52 of 100 (Notable)
N Loup	United States	Record daily precipitation	44.5 mm (1.8 in)	52 of 100 (Notable)
Flandreau	United States	Record daily precipitation	38.1 mm (1.5 in)	52 of 100 (Notable)
Sioux Ctr 2 SE	United States	Record daily precipitation	40.6 mm (1.6 in)	51 of 100 (Notable)
Fullerton 1 ESE	United States	Record daily precipitation	32.5 mm (1.3 in)	51 of 100 (Notable)
Le Mars	United States	Record daily precipitation	54.1 mm (2.1 in)	49 of 100 (Notable)
Rock Rapids	United States	Record daily precipitation	38.1 mm (1.5 in)	49 of 100 (Notable)
Fairmont	United States	Record daily precipitation	46.5 mm (1.8 in)	48 of 100 (Notable)
Norfolk	United States	Record daily precipitation	38.9 mm (1.5 in)	48 of 100 (Notable)
Norddal	Norway	Record snow depth	98.0 cm (38.6 in)	47 of 100 (Notable)
Port Arthur	Canada	Record daily precipitation	49.8 mm (2.0 in)	46 of 100 (Notable)
Tekamah	United States	Record daily precipitation	46.5 mm (1.8 in)	46 of 100 (Notable)
Kunzelsau	Germany	Record daily precipitation	32.2 mm (1.3 in)	45 of 100 (Notable)
Leech Lake	United States	Record daily precipitation	35.3 mm (1.4 in)	44 of 100 (Notable)
Sandy Lake Dam Libby	United States	Record daily precipitation	33.5 mm (1.3 in)	44 of 100 (Notable)
Savanne	Canada	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Knoxville	United States	Record daily precipitation	37.6 mm (1.5 in)	43 of 100 (Notable)
Fairmont	United States	Record daily precipitation	39.6 mm (1.6 in)	43 of 100 (Notable)
Arcadia	United States	Record daily precipitation	47.0 mm (1.9 in)	43 of 100 (Notable)
Haigler	United States	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Washta	United States	Record daily precipitation	47.0 mm (1.9 in)	42 of 100 (Notable)
Two Harbors	United States	Record daily precipitation	39.9 mm (1.6 in)	42 of 100 (Notable)
St Joseph	United States	Record daily precipitation	52.3 mm (2.1 in)	42 of 100 (Notable)
Wakefield 3NW	United States	Record daily precipitation	34.3 mm (1.4 in)	42 of 100 (Notable)
Albia 3 NNE	United States	Record daily precipitation	33.5 mm (1.3 in)	41 of 100 (Notable)
Stratton	United States	Record daily precipitation	31.8 mm (1.3 in)	41 of 100 (Notable)
Tyndall	United States	Record daily precipitation	32.5 mm (1.3 in)	41 of 100 (Notable)
Vermillion 2 SE	United States	Record daily precipitation	35.8 mm (1.4 in)	41 of 100 (Notable)
Ravenna	United States	Record daily precipitation	57.4 mm (2.3 in)	40 of 100 (Notable)
Ebrach	Germany	Record daily precipitation	25.4 mm (1.0 in)	39 of 100 (Notable)
Worthington	United States	Record daily precipitation	50.8 mm (2.0 in)	39 of 100 (Notable)
Winnebago	United States	Record daily precipitation	32.5 mm (1.3 in)	38 of 100 (Notable)
Gothenburg	United States	Record daily snowfall	15.2 cm (6.0 in)	38 of 100 (Notable)
Oakdale	United States	Record daily precipitation	25.4 mm (1.0 in)	38 of 100 (Notable)
Mitchell 2 N	United States	Record daily precipitation	31.0 mm (1.2 in)	38 of 100 (Notable)
Montevideo 1SW	United States	Record daily precipitation	50.3 mm (2.0 in)	37 of 100 (Notable)
Bradshaw	United States	Record daily precipitation	44.5 mm (1.8 in)	37 of 100 (Notable)
Ericson 8 WNW	United States	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Colby	United States	Record daily snowfall	7.6 cm (3.0 in)	36 of 100 (Notable)
New London	United States	Record daily precipitation	41.7 mm (1.6 in)	36 of 100 (Notable)
Pine Rvr Dam	United States	Record daily precipitation	47.2 mm (1.9 in)	36 of 100 (Notable)
Crete 4ESE	United States	Record daily precipitation	35.8 mm (1.4 in)	36 of 100 (Notable)
Ashland #2	United States	Record daily precipitation	31.5 mm (1.2 in)	35 of 100 (Notable)
Madison	United States	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
W Pt	United States	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)
Faulkton	United States	Record daily precipitation	30.5 mm (1.2 in)	35 of 100 (Notable)
Uccle	Belgium	Record high maximum temperature	14.1 C (57.4 F)	34 of 100 (Routine)
Leroy 5 WSW	United States	Record daily snowfall	33.0 cm (13.0 in)	34 of 100 (Routine)
Yuma	United States	Record daily snowfall	15.2 cm (6.0 in)	34 of 100 (Routine)
Hartington	United States	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Hayes Center 1NW	United States	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Audubon	United States	Record daily precipitation	26.2 mm (1.0 in)	33 of 100 (Routine)
Bridgeport	United States	Record daily snowfall	10.2 cm (4.0 in)	33 of 100 (Routine)
Fremont	United States	Record daily precipitation	40.6 mm (1.6 in)	33 of 100 (Routine)
Estherville 4E	United States	Record daily precipitation	59.9 mm (2.4 in)	32 of 100 (Routine)
Hallock	United States	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)

Counts by Type and Timescale

600 records

Records set or tied on 20 November 1930 by type: Highest daily maximum 132, Lowest daily maximum 25, Highest daily minimum 145, Lowest daily minimum 32, Heaviest daily rainfall 242, Heaviest daily snowfall 12, Deepest snow cover 12.

Records on 20 November 1930 by type
Record type	Records
Highest daily maximum	132
Lowest daily maximum	25
Highest daily minimum	145
Lowest daily minimum	32
Heaviest daily rainfall	242
Heaviest daily snowfall	12
Deepest snow cover	12

Records on 20 November 1930 by timescale: all-time 0, monthly 57, daily 543.

How Much Records Were Beaten By

512 broken records

Margins by which the 512 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 680.0. Ties are not counted.

Top 20 by Significance

20 November 1930

Top 20 records on 20 November 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 November 1930	Imperial, US	monthly rain	69.1 mm (2.7 in)	38.6 mm (1.5 in)	21 years	59 of 100 (Notable)
20 November 1930	Ohringen, DE	daily rain	35.0 mm (1.4 in)	22.5 mm (0.9 in)	38 years	55 of 100 (Notable)
20 November 1930	Milan 1NW, US	monthly rain	65.0 mm (2.6 in)	21.8 mm (0.9 in)	21 years	53 of 100 (Notable)
20 November 1930	Forestburg 4 NNE, US	daily rain	29.2 mm (1.1 in)	26.7 mm (1.1 in)	33 years	53 of 100 (Notable)
20 November 1930	Bird Island, US	daily rain	34.8 mm (1.4 in)	29.2 mm (1.1 in)	30 years	52 of 100 (Notable)
20 November 1930	N Loup, US	daily rain	44.5 mm (1.8 in)	39.4 mm (1.6 in)	30 years	52 of 100 (Notable)
20 November 1930	Flandreau, US	daily rain	38.1 mm (1.5 in)	29.7 mm (1.2 in)	30 years	52 of 100 (Notable)
20 November 1930	Sioux Ctr 2 SE, US	daily rain	40.6 mm (1.6 in)	39.3 mm (1.5 in)	29 years	51 of 100 (Notable)
20 November 1930	Fullerton 1 ESE, US	daily rain	32.5 mm (1.3 in)	30.5 mm (1.2 in)	29 years	51 of 100 (Notable)
20 November 1930	Le Mars, US	daily rain	54.1 mm (2.1 in)	50.0 mm (2.0 in)	20 years	49 of 100 (Notable)
20 November 1930	Rock Rapids, US	daily rain	38.1 mm (1.5 in)	36.8 mm (1.4 in)	20 years	49 of 100 (Notable)
20 November 1930	Fairmont, US	daily rain	46.5 mm (1.8 in)	43.5 mm (1.7 in)	20 years	48 of 100 (Notable)
20 November 1930	Norfolk, US	daily rain	38.9 mm (1.5 in)	32.3 mm (1.3 in)	20 years	48 of 100 (Notable)
20 November 1930	Norddal, NO	daily snow depth	98.0 cm (38.6 in)	68.0 cm (26.8 in)	16 years	47 of 100 (Notable)
20 November 1930	Port Arthur, CA	daily rain	49.8 mm (2.0 in)	18.6 mm (0.7 in)	46 years	46 of 100 (Notable)
20 November 1930	Tekamah, US	daily rain	46.5 mm (1.8 in)	38.9 mm (1.5 in)	16 years	46 of 100 (Notable)
20 November 1930	Kunzelsau, DE	daily rain	32.2 mm (1.3 in)	18.1 mm (0.7 in)	38 years	45 of 100 (Notable)
20 November 1930	Leech Lake, US	daily rain	35.3 mm (1.4 in)	28.2 mm (1.1 in)	5 years	44 of 100 (Notable)
20 November 1930	Sandy Lake Dam Libby, US	daily rain	33.5 mm (1.3 in)	28.4 mm (1.1 in)	5 years	44 of 100 (Notable)
20 November 1930	Savanne, CA	daily rain	30.5 mm (1.2 in)	15.3 mm (0.6 in)	35 years	43 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 1930

Records set or tied on this calendar date in each year from 1793 to 1930. 1930 had 600 records.

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

Records on 11-20 in each year
Year	Records
1793	1
1809	2
1816	3
1829	4
1835	1
1836	1
1847	1
1851	1
1852	1
1855	1
1858	1
1859	1
1862	1
1865	1
1871	1
1873	1
1874	1
1878	1
1879	3
1880	2
1881	1
1884	1
1885	2
1886	1
1887	1
1889	3
1890	2
1891	4
1893	2
1894	1
1897	7
1900	11
1901	6
1902	10
1903	10
1904	9
1905	7
1906	22
1907	5
1908	8
1909	26
1910	14
1911	29
1912	15
1913	64
1914	89
1915	12
1916	16
1917	65
1918	14
1919	47
1920	15
1921	73
1922	26
1923	45
1924	84
1925	224
1926	294
1927	105
1928	140
1929	130
1930	600
1931	646
1932	255
1933	702
1934	477
1935	55
1936	286
1937	1,102
1938	167
1939	265
1940	280
1941	438
1942	774
1943	248
1944	347
1945	322
1946	774
1947	413
1948	651
1949	362
1950	877
1951	742
1952	494
1953	850
1954	876
1955	365
1956	598
1957	190
1958	218
1959	270
1960	330
1961	540
1962	700
1963	597
1964	863
1965	285
1966	434
1967	277
1968	479
1969	710
1970	368
1971	651
1972	729
1973	941
1974	655
1975	660
1976	389
1977	1,332
1978	1,413
1979	819
1980	745
1981	1,119
1982	800
1983	1,054
1984	537
1985	2,379
1986	1,142
1987	666
1988	1,218
1989	986
1990	1,010
1991	798
1992	1,416
1993	1,211
1994	1,484
1995	1,237
1996	1,566
1997	461
1998	829
1999	493
2000	1,163
2001	843
2002	900
2003	1,242
2004	738
2005	432
2006	1,034
2007	1,151
2008	1,171
2009	1,184
2010	678
2011	816
2012	657
2013	411
2014	1,018
2015	733
2016	725
2017	451
2018	339
2019	791
2020	578
2021	414
2022	1,283
2023	554
2024	645
2025	660

Download the Data

Data for records on 1930-11-20: 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 100	503
100 to 200	6
200 to 300	1
300 to 400	1
400 to 500	0
500 to 600	0
600 to 700	1