Weather Records on 21 October 2011

662 weather records were set or tied worldwide on 21 October 2011. Highest significance: Yuendumu, AU.

Key Facts for 21 October 2011

On 21 October 2011, 662 weather records were set or tied at long-record stations worldwide.
205 were record highs and 345 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 19 monthly and 643 daily.
Yuendumu set a monthly record daily precipitation of 79.8 mm (3.1 in) on 21 October 2011.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 418 records.

Record Map

662 stations

662 station records on 21 October 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Yuendumu	Australia	Record daily precipitation	79.8 mm (3.1 in)	59 of 100 (Notable)
Groznyj	Russia	Record daily precipitation	47.2 mm (1.9 in)	58 of 100 (Notable)
Esengyly	Turkmenistan	Record daily precipitation	36.1 mm (1.4 in)	57 of 100 (Notable)
Nobeoka	Japan	Record daily precipitation	305.8 mm (12.0 in)	56 of 100 (Notable)
Kareeya	Australia	Record daily precipitation	118.4 mm (4.7 in)	52 of 100 (Notable)
Uwajima	Japan	Record daily precipitation	132.1 mm (5.2 in)	51 of 100 (Notable)
Mount Elizabeth	Australia	Record daily precipitation	41.2 mm (1.6 in)	49 of 100 (Notable)
Hirado	Japan	Record daily precipitation	143.0 mm (5.6 in)	48 of 100 (Notable)
Gibb River	Australia	Record daily precipitation	45.0 mm (1.8 in)	47 of 100 (Notable)
Hartwell	United States	Record low maximum temperature	10.6 C (51.1 F)	44 of 100 (Notable)
Clayton 1 SSW	United States	Record low maximum temperature	8.3 C (46.9 F)	43 of 100 (Notable)
Kimba	Australia	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Chardon	United States	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Makurazaki	Japan	Record daily precipitation	69.1 mm (2.7 in)	40 of 100 (Notable)
Prescott 2 NNW	United States	Record low minimum temperature	-1.7 C (28.9 F)	40 of 100 (Notable)
Newkirk 5NE	United States	Record low minimum temperature	-3.3 C (26.1 F)	40 of 100 (Notable)
Hazlehurst	United States	Record low maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Teresina (Aeroporto	Brazil	Record daily precipitation	39.1 mm (1.5 in)	38 of 100 (Notable)
Spavinaw	United States	Record low minimum temperature	-2.8 C (27.0 F)	38 of 100 (Notable)
Alpena Wwtp	United States	Record daily precipitation	30.0 mm (1.2 in)	38 of 100 (Notable)
Pogranichnoe	Russia	Record high maximum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Vero Beach 4SE	United States	Record low maximum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Poronajsk	Russia	Record high maximum temperature	17.9 C (64.2 F)	36 of 100 (Notable)
Ekimchan	Russia	Record high minimum temperature	2.2 C (36.0 F)	35 of 100 (Notable)
Cairo 1SW	United States	Record low maximum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Springvale	Australia	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Koln-Bonn	Germany	Record low minimum temperature	-2.6 C (27.3 F)	34 of 100 (Routine)
Geisenheim	Germany	Record low maximum temperature	4.9 C (40.8 F)	34 of 100 (Routine)
La Belle	United States	Record low maximum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Dzaore	Russia	Record high maximum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Solekul	Russia	Record high maximum temperature	18.0 C (64.4 F)	33 of 100 (Routine)
Pichucalco (Smn)	Mexico	Record low minimum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Guayameo	Mexico	Record high maximum temperature	36.7 C (98.1 F)	32 of 100 (Routine)
Arhara	Russia	Record high minimum temperature	8.5 C (47.3 F)	32 of 100 (Routine)
Timovskoe	Russia	Record high maximum temperature	16.4 C (61.5 F)	32 of 100 (Routine)
Lyon - St Exupery	France	Record low maximum temperature	7.1 C (44.8 F)	31 of 100 (Routine)
Sukumo	Japan	Record daily precipitation	230.1 mm (9.1 in)	31 of 100 (Routine)
Chacalapa	Mexico	Record daily precipitation	72.9 mm (2.9 in)	31 of 100 (Routine)
Casillas	Mexico	Record low minimum temperature	-5.0 C (23.0 F)	31 of 100 (Routine)
Blagovescensk	Russia	Record high minimum temperature	5.2 C (41.4 F)	31 of 100 (Routine)
Anderson	United States	Record low maximum temperature	12.2 C (54.0 F)	31 of 100 (Routine)
Palo Mancornado	Mexico	Record low maximum temperature	5.6 C (42.1 F)	30 of 100 (Routine)
Nicolas Bravo KM. 71	Mexico	Record low maximum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Petropavlovskij Majak	Russia	Record high maximum temperature	11.9 C (53.4 F)	30 of 100 (Routine)
Apalachicola AP	United States	Record low maximum temperature	14.4 C (57.9 F)	30 of 100 (Routine)
Linxi	China	Record high minimum temperature	10.9 C (51.6 F)	29 of 100 (Routine)
Jonuta	Mexico	Record low minimum temperature	18.9 C (66.0 F)	29 of 100 (Routine)
Coweeta Exp STN	United States	Record low maximum temperature	8.3 C (46.9 F)	29 of 100 (Routine)
Shimizu	Japan	Record daily precipitation	103.9 mm (4.1 in)	28 of 100 (Routine)
El Salto	Mexico	Record low minimum temperature	-3.3 C (26.1 F)	28 of 100 (Routine)
Azueta	Mexico	Record low minimum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Misantla	Mexico	Record low minimum temperature	12.8 C (55.0 F)	28 of 100 (Routine)
Maliye_Karmakuly	Russia	Record high minimum temperature	3.2 C (37.8 F)	28 of 100 (Routine)
Naples	United States	Record low maximum temperature	22.8 C (73.0 F)	28 of 100 (Routine)
Tylertown 5ESE	United States	Record low maximum temperature	17.8 C (64.0 F)	28 of 100 (Routine)
Enka	United States	Record low maximum temperature	12.2 C (54.0 F)	28 of 100 (Routine)
Coyutla (Cfe)	Mexico	Record high maximum temperature	37.8 C (100.0 F)	27 of 100 (Routine)
Martinez de la Torre (Dge)	Mexico	Record low minimum temperature	12.2 C (54.0 F)	27 of 100 (Routine)
Hularin	Russia	Record high minimum temperature	2.5 C (36.5 F)	27 of 100 (Routine)
High Springs	United States	Record low maximum temperature	18.9 C (66.0 F)	27 of 100 (Routine)

Counts by Type and Timescale

662 records

Records set or tied on 21 October 2011 by type: Highest daily maximum 100, Lowest daily maximum 131, Highest daily minimum 105, Lowest daily minimum 214, Heaviest daily rainfall 111, Heaviest daily snowfall 1.

Records on 21 October 2011 by type
Record type	Records
Highest daily maximum	100
Lowest daily maximum	131
Highest daily minimum	105
Lowest daily minimum	214
Heaviest daily rainfall	111
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 21 October 2011 by timescale: all-time 0, monthly 19, daily 643.

How Much Records Were Beaten By

478 broken records

Margins by which the 478 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 219.8. Ties are not counted.

Top 20 by Significance

21 October 2011

Top 20 records on 21 October 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 2011	Yuendumu, AU	monthly rain	79.8 mm (3.1 in)	33.8 mm (1.3 in)	10 years	59 of 100 (Notable)
21 October 2011	Groznyj, RU	daily rain	47.2 mm (1.9 in)	34.6 mm (1.4 in)	38 years	58 of 100 (Notable)
21 October 2011	Esengyly, TM	daily rain	36.1 mm (1.4 in)	29.4 mm (1.2 in)	54 years	57 of 100 (Notable)
21 October 2011	Nobeoka, JP	daily rain	305.8 mm (12.0 in)	219.8 mm (8.7 in)	38 years	56 of 100 (Notable)
21 October 2011	Kareeya, AU	daily rain	118.4 mm (4.7 in)	89.8 mm (3.5 in)	25 years	52 of 100 (Notable)
21 October 2011	Uwajima, JP	daily rain	132.1 mm (5.2 in)	108.2 mm (4.3 in)	16 years	51 of 100 (Notable)
21 October 2011	Mount Elizabeth, AU	daily rain	41.2 mm (1.6 in)	38.0 mm (1.5 in)	21 years	49 of 100 (Notable)
21 October 2011	Hirado, JP	daily rain	143.0 mm (5.6 in)	116.1 mm (4.6 in)	9 years	48 of 100 (Notable)
21 October 2011	Gibb River, AU	daily rain	45.0 mm (1.8 in)	31.8 mm (1.3 in)	14 years	47 of 100 (Notable)
21 October 2011	Hartwell, US	daily low max	10.6 C (51.1 F)	2.2 C (4.0 F)	97 years	44 of 100 (Notable)
21 October 2011	Clayton 1 SSW, US	daily low max	8.3 C (46.9 F)	1.7 C (3.1 F)	97 years	43 of 100 (Notable)
21 October 2011	Kimba, AU	daily rain	25.0 mm (1.0 in)	16.4 mm (0.6 in)	22 years	41 of 100 (Notable)
21 October 2011	Chardon, US	daily rain	32.0 mm (1.3 in)	19.8 mm (0.8 in)	45 years	41 of 100 (Notable)
21 October 2011	Makurazaki, JP	daily rain	69.1 mm (2.7 in)	40.1 mm (1.6 in)	52 years	40 of 100 (Notable)
21 October 2011	Prescott 2 NNW, US	daily low min	-1.7 C (28.9 F)	1.1 C (2.0 F)	94 years	40 of 100 (Notable)
21 October 2011	Newkirk 5NE, US	daily low min	-3.3 C (26.1 F)	0.5 C (0.9 F)	112 years	40 of 100 (Notable)
21 October 2011	Hazlehurst, US	daily low max	17.8 C (64.0 F)	2.2 C (4.0 F)	85 years	39 of 100 (Notable)
21 October 2011	Teresina (Aeroporto, BR	daily rain	39.1 mm (1.5 in)	21.7 mm (0.9 in)	54 years	38 of 100 (Notable)
21 October 2011	Spavinaw, US	daily low min	-2.8 C (27.0 F)	2.8 C (5.0 F)	85 years	38 of 100 (Notable)
21 October 2011	Alpena Wwtp, US	daily rain	30.0 mm (1.2 in)	16.0 mm (0.6 in)	26 years	38 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

1795 to 2011

Records set or tied on this calendar date in each year from 1795 to 2011. 2011 had 662 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 2011-10-21: 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 2026-10-13 (13 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 50	473
50 to 100	2
100 to 150	2
150 to 200	0
200 to 250	1