Weather Records on 21 October 1929

200 weather records were set or tied worldwide on 21 October 1929. Highest significance: Wilmington Wb City, US.

Key Facts for 21 October 1929

On 21 October 1929, 200 weather records were set or tied at long-record stations worldwide.
75 were record highs and 3 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 199 daily.
Wilmington Wb City set a daily record precipitation of 104.1 mm (4.1 in) on 21 October 1929.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 421 records.

Record Map

200 stations

200 station records on 21 October 1929 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 1929: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wilmington Wb City	United States	Record daily precipitation	104.1 mm (4.1 in)	54 of 100 (Notable)
Marion	United States	Record daily precipitation	61.0 mm (2.4 in)	52 of 100 (Notable)
Jeffersonville	United States	Record daily precipitation	71.6 mm (2.8 in)	46 of 100 (Notable)
Toledo Blade	United States	Record daily precipitation	39.6 mm (1.6 in)	46 of 100 (Notable)
Shelbyville 1 E	United States	Record daily precipitation	54.6 mm (2.1 in)	44 of 100 (Notable)
Greensburg	United States	Record daily precipitation	58.9 mm (2.3 in)	43 of 100 (Notable)
Perryville	United States	Record daily precipitation	52.1 mm (2.1 in)	42 of 100 (Notable)
Clanton	United States	Record daily precipitation	55.1 mm (2.2 in)	41 of 100 (Notable)
St John Bethlehem Aca	United States	Record daily precipitation	59.7 mm (2.4 in)	40 of 100 (Notable)
Leitchfield 2 N	United States	Record daily precipitation	62.2 mm (2.4 in)	39 of 100 (Notable)
Waynesville 1 E	United States	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Thomasville	United States	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Mauzy	United States	Record daily precipitation	45.2 mm (1.8 in)	34 of 100 (Routine)
Scottsburg	United States	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Irvington	United States	Record daily precipitation	47.5 mm (1.9 in)	34 of 100 (Routine)
Sidney 2 N	United States	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Huntington 1	United States	Record daily precipitation	39.9 mm (1.6 in)	33 of 100 (Routine)
Chattanooga Wb City	United States	Record daily precipitation	30.5 mm (1.2 in)	33 of 100 (Routine)
Salem	United States	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Owosso Wwtp	United States	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Asheville	United States	Record daily precipitation	54.1 mm (2.1 in)	31 of 100 (Routine)
Butlerville 2 WNW	United States	Record daily precipitation	44.2 mm (1.7 in)	30 of 100 (Routine)
Farmland 5 NNW	United States	Record daily precipitation	31.0 mm (1.2 in)	30 of 100 (Routine)
Greensburg	United States	Record daily precipitation	41.1 mm (1.6 in)	30 of 100 (Routine)
Scott	United States	Record daily precipitation	36.8 mm (1.4 in)	30 of 100 (Routine)
Bucyrus	United States	Record daily precipitation	39.4 mm (1.6 in)	29 of 100 (Routine)
Gadsden	United States	Record daily precipitation	50.8 mm (2.0 in)	28 of 100 (Routine)
Yates Hydro Plt	United States	Record daily precipitation	31.0 mm (1.2 in)	28 of 100 (Routine)
Hillsboro	United States	Record daily precipitation	44.7 mm (1.8 in)	28 of 100 (Routine)
Bowling Green Warren Co AP	United States	Record daily precipitation	56.1 mm (2.2 in)	28 of 100 (Routine)
Calhoun Falls	United States	Record daily precipitation	40.9 mm (1.6 in)	27 of 100 (Routine)
Savannah 6 SW	United States	Record daily precipitation	42.4 mm (1.7 in)	27 of 100 (Routine)
Cambridge City 3 N	United States	Record daily precipitation	39.9 mm (1.6 in)	26 of 100 (Routine)
Madison Sewage Plt	United States	Record daily precipitation	32.5 mm (1.3 in)	26 of 100 (Routine)
Marengo	United States	Record daily precipitation	44.5 mm (1.8 in)	26 of 100 (Routine)
Paoli	United States	Record daily precipitation	37.8 mm (1.5 in)	26 of 100 (Routine)
Richmond Wtr Wks	United States	Record daily precipitation	34.5 mm (1.4 in)	26 of 100 (Routine)
Seymour 1 WSW	United States	Record daily precipitation	36.1 mm (1.4 in)	26 of 100 (Routine)
Greensboro	United States	Record daily precipitation	34.5 mm (1.4 in)	25 of 100 (Routine)
Anderson	United States	Record daily precipitation	64.5 mm (2.5 in)	25 of 100 (Routine)
Columbus Ohio St UNIV	United States	Record daily precipitation	43.7 mm (1.7 in)	24 of 100 (Routine)
Johnsonville	United States	Record daily precipitation	42.7 mm (1.7 in)	24 of 100 (Routine)
Mc Minnville	United States	Record daily precipitation	41.9 mm (1.6 in)	24 of 100 (Routine)
Lexington Bluegrass AP	United States	Record daily precipitation	37.6 mm (1.5 in)	24 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record low minimum temperature	5.4 C (41.7 F)	23 of 100 (Routine)
Lenoir	United States	Record daily precipitation	27.9 mm (1.1 in)	23 of 100 (Routine)
Napoleon	United States	Record daily precipitation	26.2 mm (1.0 in)	23 of 100 (Routine)
Little Mtn	United States	Record daily precipitation	35.6 mm (1.4 in)	23 of 100 (Routine)
Lewisburg Exp STN	United States	Record daily precipitation	34.8 mm (1.4 in)	22 of 100 (Routine)
Morgantown 1	United States	Record high minimum temperature	14.4 C (57.9 F)	22 of 100 (Routine)
Delaware	United States	Record daily precipitation	35.3 mm (1.4 in)	21 of 100 (Routine)
Svirica	Russia	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Westwood Store	Australia	Record daily precipitation	5.1 mm (0.20 in)	20 of 100 (Routine)
Wetumpka	United States	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Ventspils	Latvia	Record daily precipitation	12.8 mm (0.5 in)	20 of 100 (Routine)
Kenton	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Philo 3 SW	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Taos	United States	Record high maximum temperature	28.3 C (82.9 F)	20 of 100 (Routine)
Hendersonville 1 NE	United States	Record daily precipitation	66.0 mm (2.6 in)	20 of 100 (Routine)
Yarmouth	Canada	Record high maximum temperature	18.9 C (66.0 F)	19 of 100 (Routine)

Counts by Type and Timescale

200 records

Records set or tied on 21 October 1929 by type: Highest daily maximum 38, Lowest daily maximum 1, Highest daily minimum 37, Lowest daily minimum 2, Heaviest daily rainfall 122.

Records on 21 October 1929 by type
Record type	Records
Highest daily maximum	38
Lowest daily maximum	1
Highest daily minimum	37
Lowest daily minimum	2
Heaviest daily rainfall	122
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 October 1929 by timescale: all-time 0, monthly 1, daily 199.

How Much Records Were Beaten By

184 broken records

Margins by which the 184 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 78.2. Ties are not counted.

Top 20 by Significance

21 October 1929

Top 20 records on 21 October 1929 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 1929	Wilmington Wb City, US	daily rain	104.1 mm (4.1 in)	78.2 mm (3.1 in)	30 years	54 of 100 (Notable)
21 October 1929	Marion, US	daily rain	61.0 mm (2.4 in)	44.2 mm (1.7 in)	30 years	52 of 100 (Notable)
21 October 1929	Jeffersonville, US	daily rain	71.6 mm (2.8 in)	60.4 mm (2.4 in)	10 years	46 of 100 (Notable)
21 October 1929	Toledo Blade, US	daily rain	39.6 mm (1.6 in)	20.5 mm (0.8 in)	55 years	46 of 100 (Notable)
21 October 1929	Shelbyville 1 E, US	daily rain	54.6 mm (2.1 in)	40.1 mm (1.6 in)	30 years	44 of 100 (Notable)
21 October 1929	Greensburg, US	daily rain	58.9 mm (2.3 in)	38.3 mm (1.5 in)	30 years	43 of 100 (Notable)
21 October 1929	Perryville, US	daily rain	52.1 mm (2.1 in)	45.5 mm (1.8 in)	30 years	42 of 100 (Notable)
21 October 1929	Clanton, US	daily rain	55.1 mm (2.2 in)	48.0 mm (1.9 in)	14 years	41 of 100 (Notable)
21 October 1929	St John Bethlehem Aca, US	daily rain	59.7 mm (2.4 in)	46.7 mm (1.8 in)	10 years	40 of 100 (Notable)
21 October 1929	Leitchfield 2 N, US	daily rain	62.2 mm (2.4 in)	51.3 mm (2.0 in)	10 years	39 of 100 (Notable)
21 October 1929	Waynesville 1 E, US	daily rain	40.6 mm (1.6 in)	31.7 mm (1.2 in)	30 years	37 of 100 (Notable)
21 October 1929	Thomasville, US	daily rain	50.8 mm (2.0 in)	46.2 mm (1.8 in)	10 years	35 of 100 (Notable)
21 October 1929	Mauzy, US	daily rain	45.2 mm (1.8 in)	34.5 mm (1.4 in)	10 years	34 of 100 (Routine)
21 October 1929	Scottsburg, US	daily rain	50.8 mm (2.0 in)	39.4 mm (1.6 in)	10 years	34 of 100 (Routine)
21 October 1929	Irvington, US	daily rain	47.5 mm (1.9 in)	37.6 mm (1.5 in)	10 years	34 of 100 (Routine)
21 October 1929	Sidney 2 N, US	daily rain	35.6 mm (1.4 in)	24.9 mm (1.0 in)	30 years	34 of 100 (Routine)
21 October 1929	Huntington 1, US	daily rain	39.9 mm (1.6 in)	24.4 mm (1.0 in)	30 years	33 of 100 (Routine)
21 October 1929	Chattanooga Wb City, US	daily rain	30.5 mm (1.2 in)	18.3 mm (0.7 in)	49 years	33 of 100 (Routine)
21 October 1929	Salem, US	daily rain	50.8 mm (2.0 in)	36.3 mm (1.4 in)	10 years	32 of 100 (Routine)
21 October 1929	Owosso Wwtp, US	daily rain	29.2 mm (1.1 in)	22.6 mm (0.9 in)	19 years	32 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

1795 to 1929

Records set or tied on this calendar date in each year from 1795 to 1929. 1929 had 200 records.

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

Records on 10-21 in each year
Year	Records
1795	1
1802	2
1805	1
1808	1
1810	1
1834	1
1835	1
1840	1
1845	1
1847	1
1850	1
1851	2
1854	1
1859	1
1863	1
1864	1
1866	3
1867	1
1868	3
1869	2
1871	1
1872	1
1873	1
1874	1
1876	4
1877	2
1878	1
1880	3
1881	1
1883	1
1886	1
1888	2
1889	2
1890	3
1891	6
1892	6
1893	1
1894	1
1895	2
1896	5
1898	6
1899	3
1900	2
1901	9
1902	2
1903	3
1904	30
1905	15
1906	11
1907	35
1908	35
1909	19
1910	21
1911	10
1912	18
1913	59
1914	35
1915	43
1916	70
1917	208
1918	18
1919	102
1920	149
1921	58
1922	78
1923	81
1924	389
1925	150
1926	77
1927	187
1928	78
1929	200
1930	492
1931	217
1932	165
1933	733
1934	407
1935	707
1936	407
1937	132
1938	121
1939	491
1940	537
1941	644
1942	258
1943	421
1944	367
1945	538
1946	297
1947	977
1948	266
1949	1,015
1950	438
1951	382
1952	848
1953	1,579
1954	279
1955	481
1956	276
1957	511
1958	322
1959	410
1960	408
1961	553
1962	359
1963	725
1964	457
1965	465
1966	425
1967	472
1968	174
1969	881
1970	548
1971	498
1972	813
1973	464
1974	866
1975	509
1976	1,467
1977	451
1978	616
1979	1,958
1980	378
1981	667
1982	870
1983	786
1984	1,872
1985	776
1986	814
1987	852
1988	696
1989	1,668
1990	807
1991	877
1992	1,095
1993	845
1994	670
1995	1,120
1996	1,581
1997	915
1998	711
1999	688
2000	771
2001	610
2002	1,241
2003	2,066
2004	1,674
2005	949
2006	1,057
2007	916
2008	610
2009	713
2010	710
2011	662
2012	703
2013	440
2014	716
2015	493
2016	734
2017	750
2018	440
2019	757
2020	1,135
2021	574
2022	629
2023	890
2024	1,138
2025	364

Download the Data

Data for records on 1929-10-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 10	121
10 to 20	24
20 to 30	18
30 to 40	12
40 to 50	6
50 to 60	1
60 to 70	1
70 to 80	1