Weather Records on 31 October 2002

1,613 weather records were set or tied worldwide on 31 October 2002. Highest significance: Teocelo, MX.

Key Facts for 31 October 2002

On 31 October 2002, 1,613 weather records were set or tied at long-record stations worldwide.
293 were record highs and 990 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 352 monthly and 1,260 daily.
Teocelo set a daily record precipitation of 102.1 mm (4.0 in) on 31 October 2002.
Across 163 earlier years (1805 to 2025) the same calendar date averaged 465 records.

Record Map

1,613 stations

1,613 station records on 31 October 2002 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 October 2002: highest significance records shown on the map
Station	Country	Type	Value	Significance
Teocelo	Mexico	Record daily precipitation	102.1 mm (4.0 in)	56 of 100 (Notable)
Davenport	United States	Record low minimum temperature	-18.3 C (-0.9 F)	56 of 100 (Notable)
Drain	United States	Record low minimum temperature	-8.9 C (16.0 F)	53 of 100 (Notable)
Riverside 7 SSW	United States	Record low minimum temperature	-20.0 C (-4.0 F)	52 of 100 (Notable)
Alturas	United States	Record low minimum temperature	-17.2 C (1.0 F)	51 of 100 (Notable)
Riddle	United States	Record low minimum temperature	-8.3 C (17.1 F)	51 of 100 (Notable)
Haigler	United States	Record daily snowfall	5.1 cm (2.0 in)	50 of 100 (Notable)
Selinsgrove 2 S	United States	Record low maximum temperature	1.1 C (34.0 F)	50 of 100 (Notable)
Barranco Azul	Mexico	Record daily precipitation	47.8 mm (1.9 in)	49 of 100 (Notable)
Beira	Mozambique	Record daily precipitation	72.9 mm (2.9 in)	49 of 100 (Notable)
Chadron 3SW	United States	Record snow depth	20.3 cm (8.0 in)	49 of 100 (Notable)
Cerro Prieto	Mexico	Record daily precipitation	53.8 mm (2.1 in)	48 of 100 (Notable)
Crested Butte	United States	Record daily snowfall	22.9 cm (9.0 in)	48 of 100 (Notable)
Vale	United States	Record low minimum temperature	-14.4 C (6.1 F)	48 of 100 (Notable)
Wisdom	United States	Record low minimum temperature	-28.9 C (-20.0 F)	47 of 100 (Notable)
Saint Anthony	United States	Record daily snowfall	5.1 cm (2.0 in)	46 of 100 (Notable)
Grants Pass	United States	Record low minimum temperature	-7.2 C (19.0 F)	46 of 100 (Notable)
Sunnyside	United States	Record low minimum temperature	-11.1 C (12.0 F)	46 of 100 (Notable)
Wapato	United States	Record low minimum temperature	-11.1 C (12.0 F)	46 of 100 (Notable)
Aberdeen Exp STN	United States	Record low minimum temperature	-16.7 C (1.9 F)	45 of 100 (Notable)
Elgin	United States	Record daily snowfall	5.1 cm (2.0 in)	45 of 100 (Notable)
Beulah	United States	Record low minimum temperature	-15.0 C (5.0 F)	45 of 100 (Notable)
Forest Grove	United States	Record low minimum temperature	-6.1 C (21.0 F)	45 of 100 (Notable)
Richland	United States	Record low minimum temperature	-12.8 C (9.0 F)	45 of 100 (Notable)
Centralia	United States	Record low minimum temperature	-6.7 C (19.9 F)	45 of 100 (Notable)
Dubois	United States	Record snow depth	10.2 cm (4.0 in)	45 of 100 (Notable)
Lerma	Mexico	Record daily precipitation	27.4 mm (1.1 in)	44 of 100 (Notable)
Winter Park	United States	Record daily snowfall	25.4 cm (10.0 in)	44 of 100 (Notable)
Glenns Ferry	United States	Record low maximum temperature	2.2 C (36.0 F)	44 of 100 (Notable)
Richfield	United States	Record low minimum temperature	-17.8 C (0.0 F)	44 of 100 (Notable)
Trident	United States	Record low minimum temperature	-19.4 C (-2.9 F)	44 of 100 (Notable)
Joseph	United States	Record low minimum temperature	-15.0 C (5.0 F)	44 of 100 (Notable)
Blackfoot Fire Dept	United States	Record low maximum temperature	-2.8 C (27.0 F)	43 of 100 (Notable)
Council	United States	Record low minimum temperature	-11.7 C (10.9 F)	43 of 100 (Notable)
Snyder	United States	Record low maximum temperature	3.3 C (37.9 F)	43 of 100 (Notable)
Magdalena	Mexico	Record low maximum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Yuma	United States	Record low maximum temperature	-6.1 C (21.0 F)	42 of 100 (Notable)
Dillon U of Montana Western	United States	Record low maximum temperature	-10.6 C (12.9 F)	42 of 100 (Notable)
Grant 5 SE	United States	Record snow depth	12.7 cm (5.0 in)	42 of 100 (Notable)
Danner	United States	Record low minimum temperature	-20.0 C (-4.0 F)	42 of 100 (Notable)
Nyssa	United States	Record low minimum temperature	-10.6 C (12.9 F)	42 of 100 (Notable)
Kadoka	United States	Record low minimum temperature	-12.8 C (9.0 F)	42 of 100 (Notable)
Spokane Intl AP	United States	Record low minimum temperature	-13.9 C (7.0 F)	42 of 100 (Notable)
Roseburg Rgnl AP	United States	Record low minimum temperature	-6.1 C (21.0 F)	42 of 100 (Notable)
Xai Xai	Mozambique	Record daily precipitation	71.1 mm (2.8 in)	41 of 100 (Notable)
Riggins	United States	Record low minimum temperature	-6.7 C (19.9 F)	41 of 100 (Notable)
Swan Falls Ph	United States	Record low minimum temperature	-7.8 C (18.0 F)	41 of 100 (Notable)
Freehold-Marlboro	United States	Record low maximum temperature	7.2 C (45.0 F)	41 of 100 (Notable)
Arlington	United States	Record low minimum temperature	-11.7 C (10.9 F)	41 of 100 (Notable)
Dufur	United States	Record low minimum temperature	-13.3 C (8.1 F)	41 of 100 (Notable)
Madras	United States	Record low minimum temperature	-18.9 C (-2.0 F)	41 of 100 (Notable)
Moro	United States	Record low minimum temperature	-13.9 C (7.0 F)	41 of 100 (Notable)
Woodstock 2 NE	United States	Record low maximum temperature	2.8 C (37.0 F)	41 of 100 (Notable)
Hatton 9 SE	United States	Record low minimum temperature	-15.6 C (3.9 F)	41 of 100 (Notable)
Baker City AP	United States	Record low minimum temperature	-16.1 C (3.0 F)	41 of 100 (Notable)
Coahuayutla	Mexico	Record low minimum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
Ft Collins	United States	Record low maximum temperature	-4.4 C (24.1 F)	40 of 100 (Notable)
Anaconda	United States	Record low maximum temperature	-7.2 C (19.0 F)	40 of 100 (Notable)
Charlotteburg Rsvr	United States	Record low maximum temperature	5.0 C (41.0 F)	40 of 100 (Notable)
Ogdensburg 4 NE	United States	Record low minimum temperature	-7.2 C (19.0 F)	40 of 100 (Notable)

Counts by Type and Timescale

1,613 records

Records set or tied on 31 October 2002 by type: Highest daily maximum 121, Lowest daily maximum 520, Highest daily minimum 172, Lowest daily minimum 470, Heaviest daily rainfall 173, Heaviest daily snowfall 52, Deepest snow cover 105.

Records on 31 October 2002 by type
Record type	Records
Highest daily maximum	121
Lowest daily maximum	520
Highest daily minimum	172
Lowest daily minimum	470
Heaviest daily rainfall	173
Heaviest daily snowfall	52
Deepest snow cover	105

Records on 31 October 2002 by timescale: all-time 1, monthly 352, daily 1,260.

How Much Records Were Beaten By

1,250 broken records

Margins by which the 1,250 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

31 October 2002

Top 20 records on 31 October 2002 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 October 2002	Teocelo, MX	daily rain	102.1 mm (4.0 in)	62.2 mm (2.4 in)	43 years	56 of 100 (Notable)
31 October 2002	Davenport, US	monthly low min	-18.3 C (-0.9 F)	5.0 C (9.0 F)	83 years	56 of 100 (Notable)
31 October 2002	Drain, US	monthly low min	-8.9 C (16.0 F)	2.8 C (5.0 F)	85 years	53 of 100 (Notable)
31 October 2002	Riverside 7 SSW, US	monthly low min	-20.0 C (-4.0 F)	1.1 C (2.0 F)	103 years	52 of 100 (Notable)
31 October 2002	Alturas, US	monthly low min	-17.2 C (1.0 F)	3.3 C (5.9 F)	83 years	51 of 100 (Notable)
31 October 2002	Riddle, US	monthly low min	-8.3 C (17.1 F)	2.2 C (4.0 F)	86 years	51 of 100 (Notable)
31 October 2002	Haigler, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	105 years	50 of 100 (Notable)
31 October 2002	Selinsgrove 2 S, US	monthly low max	1.1 C (34.0 F)	2.8 C (5.0 F)	85 years	50 of 100 (Notable)
31 October 2002	Barranco Azul, MX	daily rain	47.8 mm (1.9 in)	47.8 mm (1.9 in)	40 years	49 of 100 (Notable)
31 October 2002	Beira, MZ	daily rain	72.9 mm (2.9 in)	65.6 mm (2.6 in)	13 years	49 of 100 (Notable)
31 October 2002	Chadron 3SW, US	daily snow depth	20.3 cm (8.0 in)	10.1 cm (4.0 in)	72 years	49 of 100 (Notable)
31 October 2002	Cerro Prieto, MX	daily rain	53.8 mm (2.1 in)	51.0 mm (2.0 in)	44 years	48 of 100 (Notable)
31 October 2002	Crested Butte, US	daily snowfall	22.9 cm (9.0 in)	7.7 cm (3.0 in)	81 years	48 of 100 (Notable)
31 October 2002	Vale, US	monthly low min	-14.4 C (6.1 F)	1.6 C (2.9 F)	85 years	48 of 100 (Notable)
31 October 2002	Wisdom, US	daily low min	-28.9 C (-20.0 F)	9.5 C (17.1 F)	67 years	47 of 100 (Notable)
31 October 2002	Saint Anthony, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	89 years	46 of 100 (Notable)
31 October 2002	Grants Pass, US	monthly low min	-7.2 C (19.0 F)	0.5 C (0.9 F)	85 years	46 of 100 (Notable)
31 October 2002	Sunnyside, US	monthly low min	-11.1 C (12.0 F)	1.1 C (2.0 F)	83 years	46 of 100 (Notable)
31 October 2002	Wapato, US	monthly low min	-11.1 C (12.0 F)	1.7 C (3.1 F)	83 years	46 of 100 (Notable)
31 October 2002	Aberdeen Exp STN, US	monthly low min	-16.7 C (1.9 F)	1.1 C (2.0 F)	85 years	45 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 2002

Records set or tied on this calendar date in each year from 1805 to 2002. 2002 had 1,613 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 2002-10-31: 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 2026-10-15 (15 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 20	1,128
20 to 40	67
40 to 60	35
60 to 80	10
80 to 100	1
100 to 120	7
120 to 140	2