Weather Records on 31 October 2001

1,218 weather records were set or tied worldwide on 31 October 2001. Highest significance: Vallnora_D, SE.

Key Facts for 31 October 2001

On 31 October 2001, 1,218 weather records were set or tied at long-record stations worldwide.
723 were record highs and 179 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 63 monthly and 1,154 daily.
Vallnora_D set a monthly record daily precipitation of 44.8 mm (1.8 in) on 31 October 2001.
Across 163 earlier years (1805 to 2025) the same calendar date averaged 467 records.

Record Map

1,218 stations

1,218 station records on 31 October 2001 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 October 2001: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vallnora_D	Sweden	Record daily precipitation	44.8 mm (1.8 in)	61 of 100 (Major)
Jomala Jomalaby	Finland	Record daily precipitation	51.0 mm (2.0 in)	56 of 100 (Notable)
Whiteriver 1 SW	United States	Record high minimum temperature	15.0 C (59.0 F)	53 of 100 (Notable)
Norrby_S	Sweden	Record daily precipitation	50.1 mm (2.0 in)	52 of 100 (Notable)
Isojoki Karjenkoski	Finland	Record daily precipitation	30.9 mm (1.2 in)	50 of 100 (Notable)
Karvia Kk	Finland	Record daily precipitation	26.1 mm (1.0 in)	48 of 100 (Notable)
Canelas	Mexico	Record high maximum temperature	40.0 C (104.0 F)	48 of 100 (Notable)
Geta Ostergeta-1	Finland	Record daily precipitation	41.7 mm (1.6 in)	47 of 100 (Notable)
Orivesi Yliskyla	Finland	Record daily precipitation	32.3 mm (1.3 in)	47 of 100 (Notable)
Uusikaupunki Nervanderinpuisto	Finland	Record daily precipitation	25.8 mm (1.0 in)	46 of 100 (Notable)
Kokemaki Askola	Finland	Record daily precipitation	37.6 mm (1.5 in)	46 of 100 (Notable)
Uppsala_Aut	Sweden	Record daily precipitation	31.0 mm (1.2 in)	46 of 100 (Notable)
Jyvaskyla Muuratjarvi	Finland	Record daily precipitation	26.8 mm (1.1 in)	45 of 100 (Notable)
Socorro	United States	Record high minimum temperature	10.6 C (51.1 F)	45 of 100 (Notable)
Snake Creek Powerhouse	United States	Record daily precipitation	40.6 mm (1.6 in)	44 of 100 (Notable)
Lichtenburg	South Africa	Record daily precipitation	41.7 mm (1.6 in)	43 of 100 (Notable)
Hugoton	United States	Record high minimum temperature	16.1 C (61.0 F)	43 of 100 (Notable)
Juupajoki Hyytiala	Finland	Record daily precipitation	27.3 mm (1.1 in)	42 of 100 (Notable)
Uppsala_Flygplats	Sweden	Record daily precipitation	37.0 mm (1.5 in)	42 of 100 (Notable)
Mancos 1SW	United States	Record high minimum temperature	3.9 C (39.0 F)	42 of 100 (Notable)
Red Rvr	United States	Record high minimum temperature	5.0 C (41.0 F)	41 of 100 (Notable)
Linkoeping-Malmslaett	Sweden	Record high maximum temperature	14.2 C (57.6 F)	40 of 100 (Notable)
Halmstad	Sweden	Record high maximum temperature	13.8 C (56.8 F)	40 of 100 (Notable)
Uppsala_Aut	Sweden	Record high maximum temperature	12.1 C (53.8 F)	40 of 100 (Notable)
Paonia 1SW	United States	Record high maximum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Hanover	United States	Record low maximum temperature	1.7 C (35.1 F)	40 of 100 (Notable)
Silver Lake Brighton	United States	Record daily precipitation	57.9 mm (2.3 in)	40 of 100 (Notable)
Alavus Pollari	Finland	Record daily precipitation	32.2 mm (1.3 in)	39 of 100 (Notable)
Acajete	Mexico	Record low maximum temperature	13.9 C (57.0 F)	39 of 100 (Notable)
Tenosique (Smn)	Mexico	Record low minimum temperature	13.9 C (57.0 F)	39 of 100 (Notable)
Clayton 1 SSW	United States	Record low minimum temperature	-6.1 C (21.0 F)	39 of 100 (Notable)
Sandia Park	United States	Record high minimum temperature	11.1 C (52.0 F)	39 of 100 (Notable)
Renison Bell	Australia	Record daily precipitation	36.0 mm (1.4 in)	38 of 100 (Notable)
Praha-Klementinum	Czech Republic	Record high maximum temperature	22.7 C (72.9 F)	38 of 100 (Notable)
Ekalaka	United States	Record high minimum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Pineview Dam	United States	Record daily precipitation	49.8 mm (2.0 in)	38 of 100 (Notable)
Queenstown (Copper Mine)	Australia	Record daily precipitation	44.8 mm (1.8 in)	37 of 100 (Notable)
Cheyenne Wells 2NE	United States	Record high minimum temperature	12.2 C (54.0 F)	37 of 100 (Notable)
Haugan 1 W	United States	Record high minimum temperature	5.6 C (42.1 F)	36 of 100 (Notable)
Beaver City	United States	Record high maximum temperature	29.4 C (84.9 F)	36 of 100 (Notable)
Laitila Haukka	Finland	Record daily precipitation	31.4 mm (1.2 in)	35 of 100 (Notable)
Kauhajoki Kaupunki	Finland	Record daily precipitation	26.5 mm (1.0 in)	35 of 100 (Notable)
San Bartolo del Llano	Mexico	Record daily precipitation	32.8 mm (1.3 in)	35 of 100 (Notable)
Elk City 1NE	United States	Record high minimum temperature	3.9 C (39.0 F)	35 of 100 (Notable)
Koebenhavn: Landbohojskolen-1	Denmark	Record high minimum temperature	12.3 C (54.1 F)	34 of 100 (Routine)
Lappi Kulanpera	Finland	Record daily precipitation	28.0 mm (1.1 in)	34 of 100 (Routine)
Kenton	United States	Record high minimum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Ogden Pioneer Ph	United States	Record daily precipitation	27.2 mm (1.1 in)	34 of 100 (Routine)
Richmond	United States	Record daily precipitation	26.7 mm (1.1 in)	34 of 100 (Routine)
Uusikaupunki Korsaari	Finland	Record daily precipitation	37.7 mm (1.5 in)	33 of 100 (Routine)
Gorlitz	Germany	Record high maximum temperature	19.7 C (67.5 F)	33 of 100 (Routine)
Saint Johns	United States	Record high minimum temperature	11.7 C (53.1 F)	33 of 100 (Routine)
Julesburg	United States	Record high minimum temperature	6.7 C (44.1 F)	33 of 100 (Routine)
Trinidad	United States	Record high minimum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Massabesic Lake	United States	Record low minimum temperature	-11.1 C (12.0 F)	33 of 100 (Routine)
Spearman	United States	Record high minimum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Dull Ctr 1SE	United States	Record high minimum temperature	8.3 C (46.9 F)	33 of 100 (Routine)
Snake Rvr	United States	Record high maximum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Snake Rvr	United States	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Ayr Dpi Research STN	Australia	Record high maximum temperature	37.0 C (98.6 F)	32 of 100 (Routine)

Counts by Type and Timescale

1,218 records

Records set or tied on 31 October 2001 by type: Highest daily maximum 334, Lowest daily maximum 44, Highest daily minimum 389, Lowest daily minimum 135, Heaviest daily rainfall 314, Deepest snow cover 2.

Records on 31 October 2001 by type
Record type	Records
Highest daily maximum	334
Lowest daily maximum	44
Highest daily minimum	389
Lowest daily minimum	135
Heaviest daily rainfall	314
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 31 October 2001 by timescale: all-time 1, monthly 63, daily 1,154.

How Much Records Were Beaten By

991 broken records

Margins by which the 991 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 30.2. Ties are not counted.

Top 20 by Significance

31 October 2001

Top 20 records on 31 October 2001 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 October 2001	Vallnora_D, SE	monthly rain	44.8 mm (1.8 in)	20.5 mm (0.8 in)	27 years	61 of 100 (Major)
31 October 2001	Jomala Jomalaby, FI	monthly rain	51.0 mm (2.0 in)	22.0 mm (0.9 in)	11 years	56 of 100 (Notable)
31 October 2001	Whiteriver 1 SW, US	daily high min	15.0 C (59.0 F)	8.9 C (16.0 F)	72 years	53 of 100 (Notable)
31 October 2001	Norrby_S, SE	monthly rain	50.1 mm (2.0 in)	14.5 mm (0.6 in)	34 years	52 of 100 (Notable)
31 October 2001	Isojoki Karjenkoski, FI	daily rain	30.9 mm (1.2 in)	19.7 mm (0.8 in)	26 years	50 of 100 (Notable)
31 October 2001	Karvia Kk, FI	daily rain	26.1 mm (1.0 in)	16.4 mm (0.6 in)	26 years	48 of 100 (Notable)
31 October 2001	Canelas, MX	daily high max	40.0 C (104.0 F)	10.0 C (18.0 F)	15 years	48 of 100 (Notable)
31 October 2001	Geta Ostergeta-1, FI	monthly rain	41.7 mm (1.6 in)	11.7 mm (0.5 in)	27 years	47 of 100 (Notable)
31 October 2001	Orivesi Yliskyla, FI	daily rain	32.3 mm (1.3 in)	16.9 mm (0.7 in)	26 years	47 of 100 (Notable)
31 October 2001	Uusikaupunki Nervanderinpuisto, FI	daily rain	25.8 mm (1.0 in)	15.5 mm (0.6 in)	36 years	46 of 100 (Notable)
31 October 2001	Kokemaki Askola, FI	daily rain	37.6 mm (1.5 in)	22.8 mm (0.9 in)	11 years	46 of 100 (Notable)
31 October 2001	Uppsala_Aut, SE	daily rain	31.0 mm (1.2 in)	3.0 mm (0.12 in)	145 years	46 of 100 (Notable)
31 October 2001	Jyvaskyla Muuratjarvi, FI	daily rain	26.8 mm (1.1 in)	13.3 mm (0.5 in)	36 years	45 of 100 (Notable)
31 October 2001	Socorro, US	daily high min	10.6 C (51.1 F)	2.3 C (4.1 F)	100 years	45 of 100 (Notable)
31 October 2001	Snake Creek Powerhouse, US	daily rain	40.6 mm (1.6 in)	14.4 mm (0.6 in)	63 years	44 of 100 (Notable)
31 October 2001	Lichtenburg, ZA	daily rain	41.7 mm (1.6 in)	10.5 mm (0.4 in)	78 years	43 of 100 (Notable)
31 October 2001	Hugoton, US	daily high min	16.1 C (61.0 F)	3.3 C (5.9 F)	94 years	43 of 100 (Notable)
31 October 2001	Juupajoki Hyytiala, FI	daily rain	27.3 mm (1.1 in)	14.3 mm (0.6 in)	26 years	42 of 100 (Notable)
31 October 2001	Uppsala_Flygplats, SE	monthly rain	37.0 mm (1.5 in)	5.9 mm (0.23 in)	52 years	42 of 100 (Notable)
31 October 2001	Mancos 1SW, US	daily high min	3.9 C (39.0 F)	1.7 C (3.1 F)	94 years	42 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

1805 to 2001

Records set or tied on this calendar date in each year from 1805 to 2001. 2001 had 1,218 records.

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

Records on 10-31 in each year
Year	Records
1805	1
1811	2
1828	1
1836	1
1838	1
1839	1
1841	1
1845	1
1847	2
1848	1
1852	2
1856	1
1865	1
1868	1
1869	3
1873	2
1875	2
1876	1
1877	1
1878	1
1879	1
1880	1
1881	6
1883	1
1884	3
1886	1
1887	2
1888	3
1889	5
1891	3
1892	4
1893	3
1894	5
1895	4
1896	10
1897	1
1898	5
1899	4
1900	5
1901	4
1902	5
1903	5
1904	7
1905	21
1906	38
1907	22
1908	13
1909	15
1910	18
1911	32
1912	14
1913	39
1914	33
1915	11
1916	72
1917	67
1918	72
1919	112
1920	63
1921	22
1922	72
1923	359
1924	244
1925	405
1926	153
1927	183
1928	120
1929	234
1930	240
1931	178
1932	260
1933	796
1934	410
1935	981
1936	307
1937	335
1938	399
1939	415
1940	248
1941	536
1942	578
1943	213
1944	611
1945	287
1946	530
1947	371
1948	695
1949	831
1950	1,237
1951	527
1952	393
1953	303
1954	460
1955	427
1956	1,086
1957	392
1958	314
1959	484
1960	296
1961	511
1962	344
1963	631
1964	538
1965	340
1966	630
1967	748
1968	605
1969	531
1970	412
1971	992
1972	1,234
1973	581
1974	1,192
1975	827
1976	655
1977	616
1978	538
1979	1,130
1980	657
1981	497
1982	560
1983	782
1984	1,054
1985	632
1986	396
1987	1,002
1988	1,058
1989	857
1990	990
1991	3,294
1992	1,324
1993	2,926
1994	1,004
1995	1,051
1996	1,074
1997	1,553
1998	1,410
1999	997
2000	1,114
2001	1,218
2002	1,613
2003	1,167
2004	870
2005	1,048
2006	842
2007	613
2008	1,256
2009	1,030
2010	931
2011	746
2012	884
2013	623
2014	547
2015	691
2016	1,012
2017	437
2018	414
2019	2,501
2020	542
2021	469
2022	497
2023	960
2024	1,133
2025	314

Download the Data

Data for records on 2001-10-31: 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 5	815
5 to 10	98
10 to 15	53
15 to 20	19
20 to 25	5
25 to 30	0
30 to 35	1