Weather Records on 31 October 2004

870 weather records were set or tied worldwide on 31 October 2004. Highest significance: Selby, US.

Key Facts for 31 October 2004

On 31 October 2004, 870 weather records were set or tied at long-record stations worldwide.
600 were record highs and 66 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 21 monthly and 849 daily.
Selby set a daily record precipitation of 39.4 mm (1.6 in) on 31 October 2004.
Across 163 earlier years (1805 to 2025) the same calendar date averaged 469 records.

Record Map

870 stations

870 station records on 31 October 2004 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 October 2004: highest significance records shown on the map
Station	Country	Type	Value	Significance
Selby	United States	Record daily precipitation	39.4 mm (1.6 in)	55 of 100 (Notable)
Chaoyang	China	Record daily precipitation	30.1 mm (1.2 in)	53 of 100 (Notable)
Kaneohe 838.1	United States	Record daily precipitation	79.8 mm (3.1 in)	53 of 100 (Notable)
Nagoya	Japan	Record daily precipitation	72.4 mm (2.9 in)	52 of 100 (Notable)
Gabes	Tunisia	Record high minimum temperature	24.1 C (75.4 F)	51 of 100 (Notable)
Mjolkbacken	Sweden	Record daily precipitation	31.8 mm (1.3 in)	48 of 100 (Notable)
Rossvatn - Heggmo	Norway	Record daily precipitation	59.3 mm (2.3 in)	47 of 100 (Notable)
Paveletz	Russia	Record daily precipitation	28.6 mm (1.1 in)	46 of 100 (Notable)
Tver	Russia	Record daily precipitation	27.2 mm (1.1 in)	45 of 100 (Notable)
Waverly	United States	Record high minimum temperature	11.7 C (53.1 F)	45 of 100 (Notable)
University Exp STN	United States	Record daily snowfall	8.6 cm (3.4 in)	45 of 100 (Notable)
Alta	United States	Record daily snowfall	63.5 cm (25.0 in)	43 of 100 (Notable)
Elkhorn	United States	Record high minimum temperature	11.1 C (52.0 F)	43 of 100 (Notable)
Marble Bar Comparison	Australia	Record high minimum temperature	30.0 C (86.0 F)	42 of 100 (Notable)
Isisford Post Office	Australia	Record daily precipitation	29.5 mm (1.2 in)	41 of 100 (Notable)
Staritsa	Russia	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Hamburg	United States	Record high maximum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Renovo	United States	Record high minimum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Milan	Italy	Record high maximum temperature	18.7 C (65.7 F)	40 of 100 (Notable)
Daugavpils	Latvia	Record daily precipitation	25.1 mm (1.0 in)	39 of 100 (Notable)
Zuara	Libya	Record high minimum temperature	23.5 C (74.3 F)	39 of 100 (Notable)
Sabinas (Dge)	Mexico	Record daily precipitation	61.0 mm (2.4 in)	39 of 100 (Notable)
Lonsdal	Norway	Record daily precipitation	39.0 mm (1.5 in)	39 of 100 (Notable)
Breckenridge	United States	Record daily precipitation	33.3 mm (1.3 in)	39 of 100 (Notable)
Sheffield	United States	Record daily precipitation	39.1 mm (1.5 in)	39 of 100 (Notable)
River Falls	United States	Record daily precipitation	33.8 mm (1.3 in)	39 of 100 (Notable)
Sirte	Libya	Record high maximum temperature	37.0 C (98.6 F)	38 of 100 (Notable)
Monticello	United States	Record high maximum temperature	32.2 C (90.0 F)	38 of 100 (Notable)
Anderson	United States	Record high minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Hvar	Croatia	Record high minimum temperature	21.0 C (69.8 F)	37 of 100 (Notable)
Apuka	Russia	Record low minimum temperature	-23.6 C (-10.5 F)	37 of 100 (Notable)
Storrs	United States	Record high minimum temperature	14.4 C (57.9 F)	37 of 100 (Notable)
Bastrop	United States	Record high minimum temperature	21.1 C (70.0 F)	37 of 100 (Notable)
Simbach/Inn	Germany	Record daily precipitation	33.3 mm (1.3 in)	36 of 100 (Notable)
Korf	Russia	Record low minimum temperature	-20.6 C (-5.1 F)	36 of 100 (Notable)
Cornelia	United States	Record high minimum temperature	17.2 C (63.0 F)	36 of 100 (Notable)
New Iberia AP - Acadiana Rgnl	United States	Record high minimum temperature	23.3 C (73.9 F)	36 of 100 (Notable)
Mount Gambier Post Office	Australia	Record high maximum temperature	30.5 C (86.9 F)	35 of 100 (Notable)
Misurata	Libya	Record high maximum temperature	37.5 C (99.5 F)	35 of 100 (Notable)
Greenville	United States	Record high minimum temperature	22.2 C (72.0 F)	35 of 100 (Notable)
Moorhead	United States	Record high minimum temperature	21.7 C (71.1 F)	35 of 100 (Notable)
Centralia	United States	Record daily precipitation	65.5 mm (2.6 in)	35 of 100 (Notable)
Tullahoma	United States	Record high minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Graz	Austria	Record high minimum temperature	11.0 C (51.8 F)	34 of 100 (Routine)
Dumas	United States	Record daily precipitation	69.3 mm (2.7 in)	34 of 100 (Routine)
Tallulah	United States	Record high minimum temperature	20.6 C (69.1 F)	34 of 100 (Routine)
Debrecen Airport	Hungary	Record high maximum temperature	23.2 C (73.8 F)	33 of 100 (Routine)
Crossett 2 SSE	United States	Record high minimum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Portland	United States	Record high maximum temperature	31.1 C (88.0 F)	33 of 100 (Routine)
Milan Exp STN	United States	Record high maximum temperature	30.0 C (86.0 F)	33 of 100 (Routine)
Tustervatnet II	Norway	Record daily precipitation	34.8 mm (1.4 in)	32 of 100 (Routine)
Fessenden	United States	Record high minimum temperature	8.9 C (48.0 F)	32 of 100 (Routine)
Weatherford	United States	Record high maximum temperature	31.7 C (89.1 F)	32 of 100 (Routine)
Miyakejima	Japan	Record daily precipitation	146.1 mm (5.8 in)	31 of 100 (Routine)
Houma	United States	Record high maximum temperature	31.7 C (89.1 F)	31 of 100 (Routine)
Biloxi	United States	Record high minimum temperature	24.4 C (75.9 F)	31 of 100 (Routine)
Stoneville Exp STN	United States	Record high minimum temperature	21.1 C (70.0 F)	31 of 100 (Routine)
Edenton	United States	Record high maximum temperature	29.4 C (84.9 F)	31 of 100 (Routine)
Mahrigong	Australia	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Kljuchi	Russia	Record low maximum temperature	-5.2 C (22.6 F)	30 of 100 (Routine)

Counts by Type and Timescale

870 records

Records set or tied on 31 October 2004 by type: Highest daily maximum 253, Lowest daily maximum 38, Highest daily minimum 347, Lowest daily minimum 28, Heaviest daily rainfall 178, Heaviest daily snowfall 21, Deepest snow cover 5.

Records on 31 October 2004 by type
Record type	Records
Highest daily maximum	253
Lowest daily maximum	38
Highest daily minimum	347
Lowest daily minimum	28
Heaviest daily rainfall	178
Heaviest daily snowfall	21
Deepest snow cover	5

Records on 31 October 2004 by timescale: all-time 0, monthly 21, daily 849.

How Much Records Were Beaten By

647 broken records

Margins by which the 647 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 356.0. Ties are not counted.

Top 20 by Significance

31 October 2004

Top 20 records on 31 October 2004 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 October 2004	Selby, US	daily rain	39.4 mm (1.6 in)	32.8 mm (1.3 in)	33 years	55 of 100 (Notable)
31 October 2004	Chaoyang, CN	daily rain	30.1 mm (1.2 in)	25.6 mm (1.0 in)	40 years	53 of 100 (Notable)
31 October 2004	Kaneohe 838.1, US	daily rain	79.8 mm (3.1 in)	68.6 mm (2.7 in)	11 years	53 of 100 (Notable)
31 October 2004	Nagoya, JP	daily rain	72.4 mm (2.9 in)	48.2 mm (1.9 in)	52 years	52 of 100 (Notable)
31 October 2004	Gabes, TN	daily high min	24.1 C (75.4 F)	3.9 C (7.0 F)	114 years	51 of 100 (Notable)
31 October 2004	Mjolkbacken, SE	daily rain	31.8 mm (1.3 in)	22.6 mm (0.9 in)	26 years	48 of 100 (Notable)
31 October 2004	Rossvatn - Heggmo, NO	daily rain	59.3 mm (2.3 in)	30.8 mm (1.2 in)	48 years	47 of 100 (Notable)
31 October 2004	Paveletz, RU	daily rain	28.6 mm (1.1 in)	17.8 mm (0.7 in)	14 years	46 of 100 (Notable)
31 October 2004	Tver, RU	daily rain	27.2 mm (1.1 in)	15.2 mm (0.6 in)	28 years	45 of 100 (Notable)
31 October 2004	Waverly, US	daily high min	11.7 C (53.1 F)	2.8 C (5.0 F)	104 years	45 of 100 (Notable)
31 October 2004	University Exp STN, US	daily snowfall	8.6 cm (3.4 in)	3.5 cm (1.4 in)	87 years	45 of 100 (Notable)
31 October 2004	Alta, US	daily snowfall	63.5 cm (25.0 in)	35.6 cm (14.0 in)	12 years	43 of 100 (Notable)
31 October 2004	Elkhorn, US	daily high min	11.1 C (52.0 F)	1.7 C (3.1 F)	104 years	43 of 100 (Notable)
31 October 2004	Marble Bar Comparison, AU	daily high min	30.0 C (86.0 F)	1.7 C (3.1 F)	92 years	42 of 100 (Notable)
31 October 2004	Isisford Post Office, AU	daily rain	29.5 mm (1.2 in)	9.2 mm (0.36 in)	80 years	41 of 100 (Notable)
31 October 2004	Staritsa, RU	daily rain	27.9 mm (1.1 in)	17.1 mm (0.7 in)	14 years	41 of 100 (Notable)
31 October 2004	Hamburg, US	daily high max	22.8 C (73.0 F)	0.6 C (1.1 F)	107 years	41 of 100 (Notable)
31 October 2004	Renovo, US	daily high min	11.7 C (53.1 F)	0.6 C (1.1 F)	104 years	41 of 100 (Notable)
31 October 2004	Milan, IT	daily high max	18.7 C (65.7 F)	0.3 C (0.5 F)	104 years	40 of 100 (Notable)
31 October 2004	Daugavpils, LV	daily rain	25.1 mm (1.0 in)	11.1 mm (0.4 in)	28 years	39 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 2004

Records set or tied on this calendar date in each year from 1805 to 2004. 2004 had 870 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 2004-10-31: 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 2026-10-17 (17 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 50	639
50 to 100	7
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	0
350 to 400	1