Weather Records on 21 October 2001

610 weather records were set or tied worldwide on 21 October 2001. Highest significance: Vigo Peinador, ES.

Key Facts for 21 October 2001

On 21 October 2001, 610 weather records were set or tied at long-record stations worldwide.
353 were record highs and 159 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 594 daily.
Vigo Peinador set a monthly record daily precipitation of 171.9 mm (6.8 in) on 21 October 2001.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 419 records.

Record Map

610 stations

610 station records on 21 October 2001 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 2001: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vigo Peinador	Spain	Record daily precipitation	171.9 mm (6.8 in)	57 of 100 (Notable)
Skwentna	United States	Record daily snowfall	33.0 cm (13.0 in)	54 of 100 (Notable)
Biskra	Algeria	Record high maximum temperature	35.6 C (96.1 F)	48 of 100 (Notable)
Tenosique (Smn)	Mexico	Record low minimum temperature	15.0 C (59.0 F)	47 of 100 (Notable)
Laghouat	Algeria	Record high maximum temperature	32.7 C (90.9 F)	46 of 100 (Notable)
Hialeah	United States	Record daily precipitation	107.4 mm (4.2 in)	46 of 100 (Notable)
Tizi Ouzou	Algeria	Record high minimum temperature	19.5 C (67.1 F)	44 of 100 (Notable)
Duncan	United States	Record high maximum temperature	31.7 C (89.1 F)	40 of 100 (Notable)
Arhangelsk	Russia	Record low minimum temperature	-16.7 C (1.9 F)	39 of 100 (Notable)
Northam	Australia	Record low maximum temperature	15.5 C (59.9 F)	38 of 100 (Notable)
Potrerillos	Mexico	Record high maximum temperature	33.9 C (93.0 F)	38 of 100 (Notable)
Fairmont	United States	Record high minimum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Anchorage Merrill Fld	United States	Record daily snowfall	10.2 cm (4.0 in)	38 of 100 (Notable)
Innisfail	Australia	Record daily precipitation	45.0 mm (1.8 in)	37 of 100 (Notable)
Nanda Downs	Australia	Record daily precipitation	26.0 mm (1.0 in)	34 of 100 (Routine)
Xochitlan Todos Santos	Mexico	Record high maximum temperature	35.6 C (96.1 F)	34 of 100 (Routine)
Guayama 1SW	Puerto Rico [United States]	Record high minimum temperature	26.1 C (79.0 F)	34 of 100 (Routine)
Miami	United States	Record high maximum temperature	32.8 C (91.0 F)	34 of 100 (Routine)
Hurbanovo	Slovakia	Record high maximum temperature	23.1 C (73.6 F)	33 of 100 (Routine)
San Francisco Dwtn	United States	Record low maximum temperature	13.3 C (55.9 F)	33 of 100 (Routine)
El Tintero	Mexico	Record high maximum temperature	33.9 C (93.0 F)	32 of 100 (Routine)
Mtn Park	United States	Record high maximum temperature	25.0 C (77.0 F)	32 of 100 (Routine)
Morawa	Australia	Record low maximum temperature	18.2 C (64.8 F)	31 of 100 (Routine)
Cairns Post Office	Australia	Record daily precipitation	42.9 mm (1.7 in)	31 of 100 (Routine)
Graz	Austria	Record high maximum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Asuncion Nochixtlan	Mexico	Record high maximum temperature	36.7 C (98.1 F)	31 of 100 (Routine)
Sisal	Mexico	Record low maximum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Den Helder-1	Netherlands	Record high minimum temperature	13.1 C (55.6 F)	31 of 100 (Routine)
Gabes	Tunisia	Record high minimum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
Key W Intl AP	United States	Record daily precipitation	70.4 mm (2.8 in)	31 of 100 (Routine)
Majors Creek	Australia	Record daily precipitation	50.2 mm (2.0 in)	30 of 100 (Routine)
Presa Danxho	Mexico	Record low minimum temperature	-4.4 C (24.1 F)	30 of 100 (Routine)
Milford	United States	Record high minimum temperature	8.9 C (48.0 F)	30 of 100 (Routine)
El Cantil	Mexico	Record high maximum temperature	28.9 C (84.0 F)	29 of 100 (Routine)
Toliman	Mexico	Record high maximum temperature	33.9 C (93.0 F)	29 of 100 (Routine)
Oksoey Fyr	Norway	Record high minimum temperature	11.2 C (52.2 F)	29 of 100 (Routine)
Capitan	United States	Record high maximum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Homer AP	United States	Record snow depth	12.7 cm (5.0 in)	29 of 100 (Routine)
Kremsmuenster	Austria	Record high minimum temperature	10.5 C (50.9 F)	28 of 100 (Routine)
Suchiate	Mexico	Record low minimum temperature	18.9 C (66.0 F)	28 of 100 (Routine)
Soledad de Graciano	Mexico	Record low minimum temperature	0.6 C (33.1 F)	27 of 100 (Routine)
Timiryazevskij	Russia	Record high minimum temperature	11.9 C (53.4 F)	27 of 100 (Routine)
Redwood City	United States	Record high minimum temperature	17.2 C (63.0 F)	27 of 100 (Routine)
Royal Palm Rs	United States	Record daily precipitation	66.0 mm (2.6 in)	27 of 100 (Routine)
Miami Intl AP	United States	Record daily precipitation	119.6 mm (4.7 in)	27 of 100 (Routine)
Schwaigermoos	Germany	Record high minimum temperature	9.9 C (49.8 F)	26 of 100 (Routine)
Szombathely	Hungary	Record high maximum temperature	22.8 C (73.0 F)	26 of 100 (Routine)
Totatiche	Mexico	Record high maximum temperature	31.7 C (89.1 F)	26 of 100 (Routine)
Buj	Russia	Record low maximum temperature	-4.0 C (24.8 F)	26 of 100 (Routine)
Pogranichnyj	Russia	Record high minimum temperature	12.0 C (53.6 F)	26 of 100 (Routine)
Izana	Spain	Record high maximum temperature	20.0 C (68.0 F)	26 of 100 (Routine)
Lowestoft	United Kingdom	Record high minimum temperature	14.1 C (57.4 F)	26 of 100 (Routine)
Cardup	Australia	Record daily precipitation	25.0 mm (1.0 in)	25 of 100 (Routine)
Cunderdin	Australia	Record low maximum temperature	14.7 C (58.5 F)	25 of 100 (Routine)
Shangzhi	China	Record high minimum temperature	7.1 C (44.8 F)	25 of 100 (Routine)
Capo Bellavista	Italy	Record high minimum temperature	21.6 C (70.9 F)	25 of 100 (Routine)
Valle de Juarez (Dge)	Mexico	Record high maximum temperature	28.9 C (84.0 F)	25 of 100 (Routine)
San Francisco Oxtotilpan	Mexico	Record high maximum temperature	25.6 C (78.1 F)	25 of 100 (Routine)
Porto	Portugal	Record daily precipitation	70.0 mm (2.8 in)	25 of 100 (Routine)
Oktyabr Skoye	Russia	Record low maximum temperature	-8.0 C (17.6 F)	25 of 100 (Routine)

Counts by Type and Timescale

610 records

Records set or tied on 21 October 2001 by type: Highest daily maximum 188, Lowest daily maximum 60, Highest daily minimum 165, Lowest daily minimum 99, Heaviest daily rainfall 89, Heaviest daily snowfall 5, Deepest snow cover 4.

Records on 21 October 2001 by type
Record type	Records
Highest daily maximum	188
Lowest daily maximum	60
Highest daily minimum	165
Lowest daily minimum	99
Heaviest daily rainfall	89
Heaviest daily snowfall	5
Deepest snow cover	4

Records on 21 October 2001 by timescale: all-time 0, monthly 16, daily 594.

How Much Records Were Beaten By

452 broken records

Margins by which the 452 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 287.0. Ties are not counted.

Top 20 by Significance

21 October 2001

Top 20 records on 21 October 2001 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 2001	Vigo Peinador, ES	monthly rain	171.9 mm (6.8 in)	64.7 mm (2.5 in)	14 years	57 of 100 (Notable)
21 October 2001	Skwentna, US	daily snowfall	33.0 cm (13.0 in)	28.7 cm (11.3 in)	52 years	54 of 100 (Notable)
21 October 2001	Biskra, DZ	daily high max	35.6 C (96.1 F)	3.1 C (5.6 F)	111 years	48 of 100 (Notable)
21 October 2001	Tenosique (Smn), MX	daily low min	15.0 C (59.0 F)	2.8 C (5.0 F)	76 years	47 of 100 (Notable)
21 October 2001	Laghouat, DZ	daily high max	32.7 C (90.9 F)	2.7 C (4.9 F)	103 years	46 of 100 (Notable)
21 October 2001	Hialeah, US	daily rain	107.4 mm (4.2 in)	79.5 mm (3.1 in)	24 years	46 of 100 (Notable)
21 October 2001	Tizi Ouzou, DZ	daily high min	19.5 C (67.1 F)	1.5 C (2.7 F)	101 years	44 of 100 (Notable)
21 October 2001	Duncan, US	daily high max	31.7 C (89.1 F)	0.6 C (1.1 F)	99 years	40 of 100 (Notable)
21 October 2001	Arhangelsk, RU	daily low min	-16.7 C (1.9 F)	0.1 C (0.2 F)	99 years	39 of 100 (Notable)
21 October 2001	Northam, AU	daily low max	15.5 C (59.9 F)	2.2 C (4.0 F)	86 years	38 of 100 (Notable)
21 October 2001	Potrerillos, MX	monthly high max	33.9 C (93.0 F)	3.9 C (7.0 F)	22 years	38 of 100 (Notable)
21 October 2001	Fairmont, US	daily high min	20.6 C (69.1 F)	3.4 C (6.1 F)	72 years	38 of 100 (Notable)
21 October 2001	Anchorage Merrill Fld, US	daily snowfall	10.2 cm (4.0 in)	7.7 cm (3.0 in)	48 years	38 of 100 (Notable)
21 October 2001	Innisfail, AU	daily rain	45.0 mm (1.8 in)	9.9 mm (0.39 in)	79 years	37 of 100 (Notable)
21 October 2001	Nanda Downs, AU	daily rain	26.0 mm (1.0 in)	5.7 mm (0.22 in)	52 years	34 of 100 (Routine)
21 October 2001	Xochitlan Todos Santos, MX	daily high max	35.6 C (96.1 F)	2.8 C (5.0 F)	60 years	34 of 100 (Routine)
21 October 2001	Guayama 1SW, PR	daily high min	26.1 C (79.0 F)	0.5 C (0.9 F)	74 years	34 of 100 (Routine)
21 October 2001	Miami, US	daily high max	32.8 C (91.0 F)	1.1 C (2.0 F)	80 years	34 of 100 (Routine)
21 October 2001	Hurbanovo, SK	daily high max	23.1 C (73.6 F)	1.4 C (2.5 F)	72 years	33 of 100 (Routine)
21 October 2001	San Francisco Dwtn, US	daily low max	13.3 C (55.9 F)	1.7 C (3.1 F)	70 years	33 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 2001

Records set or tied on this calendar date in each year from 1795 to 2001. 2001 had 610 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 2001-10-21: 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 50	445
50 to 100	6
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	1